Extron electronic Switch TPX 88 User Manual

TPX 88 and TPX 88 A

Twisted Pair Matrix Switcher

Twisted Pair Matrix Switcher with Local Audio Outputs

68-733-01 Rev. C

12 05

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Qu ick St a rt — TPX Ma t rix Sw it ch e rs

St e p 4

In st a lla t io n

St e p 1 — Tu rn o ff p o w e r

St e p 2

Cable the switcher for twisted pair input and

output. See Termination of TP cable in chapter 2,

Installation, to properly terminate the RJ-45

connectors.

If desired, connect a control system or computer

to the Remote (RS-232/ RS-422) port.

Pin RS-232 Function

Gnd Gnd Signal ground Gnd Signal ground

TX- Not used

TX- Transmit data (-)

TX+ TX+ Transmit data TX+ Transmit data (+)

RS-422 Function

Side

Clip Down

12345678

TP/VTT transmitters and receivers

—

RGBHV/ Video/

568 A

568 B

audio

Pin color

color

RX-

—

Not used

RX- Receive data (-)

RX+ Receive data (+)

White- White- Red/

Video+

RX+ RX+ Receive data

green

orange V. sync+

Orange Red/

V. sync-

Video-

Green

White- White-

orange green

St e p 5

Audio+

Green+

N/C

Set the rear panel Remote DIP switches.

Blue

White- White-

Green-

Audio-

N/C

blue

12345678

RS-232

6* Orange Green

N/C

All switches up

White- White- Blue/

for RS-232. (Default.)

Audio+

brown brown

H. sync+

RJ-45

connector

Switches 1 & 2 down,

RS-422 3 up for RS-422.

Blue/

H. sync-

Brown

Audio-

Brown

The TPX 88 A switches pair 3 and 6.

The TPX 88 does not switch pair 3 and 6.

Twisted

Pairs

Audio or serial data from an RGB video MTP

is incompatible with both TPX models.

They cannot be switched.

St e p 6

1&2

3&6 4&5

Plug the switcher and input and output devices

into a grounded AC source, and turn on the input

and output devices.

7&8

NOTE If you are using Enhanced Skew-Free™ A/V cable,

use the TIA/EIA T 568A standard only.

MTP transmitters and receivers

568 A 568 B

Pin Color Color

Video S-video

MTP

RGB video

MTP

De fin it io n s

White- White-

green orange

Red/

V. Sync +

Video + Luma (Y) +

Tie — An input-to-output connection.

Set of ties — An input tied to 2 or more outputs.

Configuration — One or more ties or sets of ties.

Red/

V. Sync –

Green Orange Video – Luma (Y) –

Mono audio +

or RS-232 +

(MTP 15HD

only)

White- White-

NONE NONE

orange green

Current configuration — The currently active

configuration (also called configuration 0).

Chroma (C)

& audio left +

Audio

left +

Blue

Green +

Green –

White- White-

blue

Chroma (C)

& audio left –

Audio

left –

blue

Global preset — A configuration that has been

stored. One preset can be assigned to each

input button. When a preset is retrieved from

memory, it becomes the current configuration.

Mono audio –

or RS-232 –

(MTP 15HD

only)

6* Orange Green NONE NONE

White- White-

Audio

Blue/

H. Sync +

Audio right+

Audio right –

brown brown

right +

Blue

H. Sync –

Audio

right –

Brown Brown

Fro n t Pa n e l Co n t ro ls

St e p 3

Input and output buttons and LEDs select and

identify inputs and outputs. Input buttons

also select presets. On the TPX 88 A, the

input and output LEDs also display the audio

levels.

TPX 88 A: Cable the switcher for stereo audio

output.

Tip

See caution

Sleeve

Connect the

CAUTION

sleeve to ground.

Connecting the

sleeve to a

Tip

See caution

Enter button saves changes when you change the

configuration.

Unbalanced Output

Preset button saves a configuration as a preset or

negative (-)

Tip

Ring

Sleeve (s)

Tip

recalls a previously-defined preset.

terminal will

damage the audio

output circuits.

Ring

Balanced Output

TPX 88 Matrix Sw itcher Quick Start QS-1

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Qu ick St a rt — TPX 88 Ma t rix Sw it ch e rs, co n t ’d

View button selects a view-only mode that prevents inadvertent configuration changes.

Esc button cancels selections in progress and resets the front panel LEDs. The Esc button does not

reset the current configuration, the Video and Audio LEDs, any presets, or any audio gain/

attenuation settings.

(TPX 88 A only) I/O button selects/ deselects video and/ or audio. The I/ O button also selects the

audio level adjust mode.

(TPX 88 A only) Video and audio LEDs indicate that video and/ or audio is selected for configuration.

(TPX 88 A only) Mute All button mutes and unmutes all audio outputs.

(TPX 88 A only) Volume knob adjusts the input level or output volume in audio level adjust mode.

2. Press and release the desired input.

Cre a t e a t ie

1. Press and release the I/ O button to select

Press and release an input button.

The button lights.

audio and/ or video.

I/O

1 2

Lights green when video is selected.

VIDEO

AUDIO Lights red when audio is selected.

1 2

Press the button to cycle

through the selections.

The buttons for all tied outputs light.

2. Press and release the desired input button.

The buttons for all untied outputs are unlit.

3. Press and release the View button to exit view

Amber indicates video and audio (audio follow).

Green indicates video only (audio breakaway).

Red indicates audio only (audio breakaway)

mode.

Sa ve o r re ca ll a p re se t

1. Save a preset — Press and hold the Preset

button for 2 seconds.

Recall a preset — Press and release the Preset

button.

3. Press and release the desired output button(s).

Amber indicates video and audio tie.

Green indicates video tie.

Red indicates audio tie.

Save a

preset

2 seconds

PRESET

Press and hold.

Preset LED blinks.

3 4 8

Recall a

preset

4. Press and release the Enter button.

PRESET

Press and release.

Preset LED lights.

Vie w t ie s

2. Press and release the desired input or output

1. Press and release the View button.

button.

Press the button to

select view mode.

Press and release the input 1 button to select preset 1.

The button blinks.

The View LED lights when view mode is selected.

Preset 2 Preset 3

VIEW

ENTER

1 2

The Enter button

blinks to indicate

the need to save or

recall the preset.

1 2

Preset 9 Preset 10 Preset 11

3. Press and release the Enter button.

The buttons for all untied outputs light until you select an input.

QS-2 TPX 88 Matrix Sw itchers Quick Start

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Ta b le o f Co n t e n t s

Ch a p t e r 1 • In t ro d u ct io n ....................................................................................................... 1-1

Ab o u t t h e TPX 88 Ma n u a l ............................................................................................... 1-2

Ab o u t t h e TP A/V Syst e m ................................................................................................ 1-2

TP cable advantages .......................................................................................................... 1-2

Transmission distances ....................................................................................................... 1-5

Ab o u t Bo t h TPX Sw it ch e r m o d e ls .............................................................................. 1-6

Ab o u t t h e TPX 88 A Sw it ch e rs ..................................................................................... 1-7

Fe a t u re s ................................................................................................................................... 1-8

Ch a p t e r 2 • In st a lla t io n .......................................................................................................... 2-1

Mo u n t in g t h e Sw it ch e r .................................................................................................... 2-2

Ca b lin g a n d Re a r Pa n e l Vie w s ...................................................................................... 2-3

Termination of TP cable ..................................................................................................... 2-4

Cable testing ................................................................................................................ 2-5

Equalizing pair skew with Skew Equalizers .................................................................. 2-6

Equalizing pair skew with skew compensation cables.................................................. 2-6

Audio outputs connectors (TPX 88 A only) ...................................................................... 2-7

Remote port configuration ............................................................................................... 2-8

Ch a p t e r 3 • Op e ra t io n ............................................................................................................. 3-1

Fro n t Pa n e l Co n t ro ls a n d In d ica t o rs ......................................................................... 3-2

Definitions .......................................................................................................................... 3-2

Input and output buttons ................................................................................................. 3-2

Control buttons.................................................................................................................. 3-3

I/O controls (TPX 88 A only) .............................................................................................. 3-4

Audio controls (TPX 88 A only) ......................................................................................... 3-4

Button icons ....................................................................................................................... 3-5

Op e ra t io n s .............................................................................................................................. 3-5

Power ................................................................................................................................. 3-5

I/O grouping ....................................................................................................................... 3-6

Creating a configuration ................................................................................................... 3-7

Example 1: Creating a set of video and audio ties........................................................ 3-8

Example 2: Adding a tie to a set of video and audio ties ............................................. 3-9

Example 3a: Removing an audio tie from a set of ties (TPX 88 A only) ...................... 3-10

Example 3b: Removing a tie from a set of ties (TPX 88 only) ...................................... 3-12

Viewing a configuration ................................................................................................. 3-13

Example 4a: Viewing ties (TPX 88 A only) ................................................................... 3-13

Example 4b: Viewing ties (TPX 88 only) ...................................................................... 3-16

Using presets .................................................................................................................... 3-17

Example 5: Saving a preset ......................................................................................... 3-17

Example 6: Recalling a preset ..................................................................................... 3-18

TPX 88 Matrix Sw itchers • Table of Contents

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Ta b le o f Co n t e n t s, co n t ’d

Viewing and adjusting the input audio level (TPX 88 A only) ...................................... 3-20

Example 7: Viewing and adjusting an input audio level............................................. 3-20

Viewing and adjusting the output volume (TPX 88 A only).......................................... 3-22

Example 8: Viewing and adjusting an output volume level ....................................... 3-23

Muting and unmuting the local audio (TPX 88 A only) ................................................ 3-25

Front panel security lockout (executive mode) .............................................................. 3-25

System reset to factory defaults ..................................................................................... 3-26

Background illumination ................................................................................................. 3-26

Tro u b le sh o o t in g ................................................................................................................ 3-27

Wo rksh e e t s .......................................................................................................................... 3-27

Worksheet example 1: System equipment .................................................................... 3-27

Worksheet example 2: Daily configuration ................................................................... 3-28

Worksheet example 3: Test configuration ..................................................................... 3-29

Configuration worksheet ................................................................................................ 3-31

Ch a p t e r 4 • Pro g ra m m e r’s Gu id e ..................................................................................... 4-1

Ho st -t o -Sw it ch e r In st ru ct io n s ....................................................................................... 4-2

Sw it ch e r-In it ia t e d Me ssa g e s ......................................................................................... 4-2

Sw it ch e r Erro r Re sp o n se s ............................................................................................... 4-3

Usin g t h e Co m m a n d /Re sp o n se Ta b le ........................................................................ 4-4

Symbol definitions ............................................................................................................. 4-4

Co m m a n d /Re sp o n se Ta b le fo r SIS Co m m a n d s ..................................................... 4-5

Ch a p t e r 5 • Ma t rix So ft w a re .............................................................................................. 5-1

Ma t rix Sw it ch e rs Co n t ro l Pro g ra m ............................................................................ 5-2

Installing the software ...................................................................................................... 5-2

Using the software ............................................................................................................ 5-2

Firmware upgrade ............................................................................................................. 5-4

Windows buttons, drop boxes, and trash ........................................................................ 5-5

Windows menus................................................................................................................. 5-5

File menu ...................................................................................................................... 5-5

Tools menu ................................................................................................................... 5-5

Preferences menu ......................................................................................................... 5-6

Using emulation mode ...................................................................................................... 5-7

Using the help system ........................................................................................................ 5-7

Bu t t o n La b e l Ge n e ra t o r ................................................................................................... 5-8

Using the software ............................................................................................................ 5-8

TPX 88 Matrix Sw itchers • Table of Contents

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Ap p e n d ix A • Re fe re n ce In fo rm a t io n .......................................................................... A-1

Sp e cifica t io n s ....................................................................................................................... A-2

Pa rt Nu m b e rs ....................................................................................................................... A-4

Twisted Pair Matrix Switcher part numbers .................................................................... A-4

Optional accessories ......................................................................................................... A-4

Cables ................................................................................................................................ A-4

Bu t t o n La b e ls ....................................................................................................................... A-6

Installing labels in the matrix switcher’s buttons............................................................ A-6

Button label blanks........................................................................................................... A-7

68-733-01 Re v. C

12 05

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TPX 88 Matrix Sw itchers • Table of Contents

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Ta b le o f Co n t e n t s, co n t ’d

TPX 88 Matrix Sw itchers • Table of Contents

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TPX 88 Tw isted Pair Matrix Sw itchers

Chapter One

Introduction

About the TPX 88 Manual

About the TP A/V System

About Both TPX Switcher Models

About the TPX 88 A Switchers

Features

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In t ro d u ct io n , co n t ’d

In t ro d u ct io n

Ab o u t t h e TPX 88 Ma n u a l

This manual provides installation, operation, and maintenance information for the

Extron TPX 88 and TPX 88 A matrix switchers. The TPX switchers are 8-input by

8-output matrix switchers for routing the signals that Extron twisted pair (TP)

transmitters and receivers use to distribute video and audio signals in an A/ V

system.

In this manual, the term “TPX 88” is generally used to identify both twisted pair

matrix switchers. If a specific discussion relates to the audio version only, the term

“TPX 88 A” is used.

In this manual, the terms “twisted pair transmitter” and “twisted pair receiver”

refer to any transmitter or receiver listed in the table on the following pages; the

terms “TP transmitter” and “TP receiver” refer specifically to members of the TP

family of Extron twisted pair transmitters and receivers, such as the TP T 15HD A

and the TP R BNC A.

Besides the TPX 88’s video signal routing capabilities, the TPX 88 A can route the

TP transmitter family’s digital audio outputs, switching the audio with the video

(audio follow) or separate from the video (audio breakaway). The TPX 88 A can

also process the audio, adjusting the gain and attenuation, and output the audio

locally on the switcher’s rear panel.

Ab o u t t h e TP A/V Syst e m

The Extron twisted pair transmitters, twisted pair receivers, and TP matrix

switchers provide a system for long-distance distribution of video and stereo or

mono audio over Extron’s Enhanced Skew-Free™ A/ V unshielded twisted pair

(UTP) cable or over Category (CAT) 5 UTP, shielded twisted pair (STP), or foil

shielded twisted pair (FTP) cable. The table on the following page lists the Extron

transmitters and receivers that are compatible with the TPX units and their video

and audio capabilities. With adapters, many RGBHV twisted pair products can

also distribute component, S-video and/ or composite video.

TP ca b le a d va n t a g e s

Extron’s Enhanced Skew-Free A/ V UTP cable and CAT 5 cable are a fraction of the

size of coaxial cable, as well as being much lighter, more flexible, and far less

expensive. These TP products make cable runs simpler and less cumbersome.

Termination of the cable with RJ-45 connectors is simple, quick, and economical.

1-2

TPX 88 Matrix Sw itchers • Introduction

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Ext ro n t w ist e d p a ir p ro d u ct s’ a t t rib u t e s

Co m p o n e n t /

HDTV

Fa m ily

Mo d e l

TP T 15HD AV

RGBHV

S-vid e o Co m p o sit e Au d io

1 Optional Stereo

Optional

Yes

Optional

1 Yes

(2)

TP T 15HD A

Optional Optional

Stereo

TP T 15HD 45/

TP T A 45

Optional Optional

Stereo

Tra n sm it t e rs

TP T BNC

Yes

Optional

Optional Optional

TP T BNC DA4

TP T 460/ 468

TP T AV

Stereo

Yes

1 Optional Stereo

TP R BNC AV

Yes^✡

Optional

1 Yes

(2)

Stereo

Yes*

TP R BNC A

Yes^✡

Yes

✦

Optional

Optional Optional

Re ce ive rs

TP R 15HD A

TP R AV

Yes

MTP T 15HD A

SW2/ 4/ 6 MTP T 15HD A

MTP T 15HD RS

MTP T SV

Optional

Optional Optional

Yes

✦

Yes

✦

MTP T SV A

Yes^✝

MTP T SV A RCA

MTP T SV A AAP

MTP T SV A 45

MTP T CV

Tra n sm it t e rs

MTP

MTP T AV

Yes^✝

✦

MTP T AV RCA

MTP T AV AAP

MTP T AV 45

MTP DA4/ 8

✦

✝

✦

✡

MTP transmits or receives audio, but the TPX 88 and TPX 88 A cannot switch this TP device's audio.

The TPX 88 and TPX 88 A switch the audio but cannot process it or output it locally.

Video and audio capabilities are dependent on the MTP transmitter providing the input.

The TPX 88 does not support the TP R receivers' automatic level and peaking feature or the input signal

detect feature (the receiver's power LED lights amber only). Support of the automatic level and peaking

and the signal detect features, requires the use of a TPX 88 A.

TPX 88 Matrix Sw itchers • Introduction

1-3

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In t ro d u ct io n , co n t ’d

Ext ro n t w ist e d p a ir p ro d u ct s’ a t t rib u t e s (co n t in u e d )

Co m p o n e n t /

HDTV

Fa m ily

Mo d e l

RGBHV

S-vid e o Co m p o sit e Au d io

MTP R 15HD A

MTP RL 15HD A

MTP RL 15HD A SEQ

MTP R 15HD RS

MTP RL 15HD RS

MTP RL 15HD RS SEQ

MTP R SV

Yes

Optional

Optional Optional

Yes*

MTP Re ce ive rs

Yes

MTP R SV A

Yes^✝

MTP R SV A RCA

MTP R CV

MTP R AV

Yes^✝

MTP R AV RCA

VTT001CM

Yes

Tra n sm it t e r

VTT001 AAP

IN1404XT

Yes

VTT/

VTR

VTR001CM

VTR001 AAP

Re ce ive r

MTP transmits or receives audio, but the TPX 88 and TPX 88 A cannot switch this TP device's audio.

The TPX 88 and TPX 88 A switch the audio but cannot process it or output it locally.

✝

1-4

TPX 88 Matrix Sw itchers • Introduction

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Tra n sm issio n d ist a n ce s

The minimum reliable transmission distance between transmitters and receivers is

50 feet for most models. The maximum distance is determined by the output

frequency, resolution, and the transmitter/ receiver family. The table below lists the

recommended maximum transmission distances for most transmitter/ receiver

families using Extron Enhanced Skew-Free A/ V UTP cable, terminated with CAT 5

rated connectors.

Refer to each product’s user manual to determine the ranges for that family of

products.

Re co m m e n d e d t ra n sm issio n ra n g e s a t 60 Hz

Video format

Maximum ranges

Composite video, S-video, and

component video and audio

640 x 480

800 x 600

1024 x 768

800" (245 m) – 1000" (300 m)

500" (150 m) – 1000" (300 m)

400" (120 m) – 800" (245 m)

300" (90 m) – 600" (185 m)

200" (60 m) – 450" (135 m)

150" (45 m) – 450" (135 m)

1280 x 1024

1600 x 1280

It is possible to exceed the recommended distances, however, image quality may

be reduced.

Extron recommends using the highest quality cable available and affordable,

with less than 8 nanoseconds/100 meters of skew (see Termination of TP

cable in chapter 2). We also recommend the use of pre-terminated and tested

cables. Cables terminated on site should be tested before use to ensure that

they comply with Category 5 specifications.

Extron Skew-Free A/V UTP cable is recommended for most applications.

CAT 5 cable can be satisfactorily used for some products (refer to each

product’s user manual). The system can be used with cable other than that

recommended, but video performance will be compromised and maximum

cable lengths and video resolutions must be decreased.

TPX 88 Matrix Sw itchers • Introduction

1-5

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In t ro d u ct io n , co n t ’d

Ab o u t Bo t h TPX Sw it ch e r Mo d e ls

The TPX switchers are single box solutions to simple twisted pair routing

applications (figure 1-1). Each input and output is individually isolated and

buffered, and any input(s) can be switched to any one or all outputs with virtually

no crosstalk or signal noise between channels.

Extron

VTT001

Video Camera

Twisted

Pair Transmitter

CODEC

Extron

IN1404XT

Video Scaler

w/ UTP Output

VCR/DVD

CPM101

Connector Plate

Speakers

Document Camera

w/ High Res Output

MAC

Extron

VTT001

Twisted

Pair Transmitter

Extron

TP T 15HD A

Twisted Pair

Transmitter

Laptop

Sound System

DPIN4

-2

H-

IFT

Audio

System

Control

-6

RX+

RX-

TX+

TX-

Extron

GDN

-4

S-

VTR001

Extron

Twisted

Pair Receiver

TPX 88 A

Twisted Pair

Matrix Switcher

VID

Extron

VTR001

Twisted

Pair Receiver

NC/

34A

SGO

SNYC

Stereo

Audio

Extron

TP T 15HD A

Twisted Pair

Transmitter

Lobby

Extron

TP R 15HD A

Twisted Pair

Receiver

NC/

34A

Stereo

Audio

SNYC

DIO

INP

DPIN4

Audio

H-

IFT

LCD Projector #2

Presenters

Display

Extron

TP R 15HD A

Twisted Pair

Receiver

LCD Projector #1

Fig u re 1-1 — Typ ica l TPX 88 A m a t rix sw it ch e r a p p lica t io n

The TPX 88 switchers support I/ O grouping, a feature that lets you virtually divide

the matrix into up to four smaller sub-switchers, making installation and control

easier. I/ O grouping allows you to separate different signal types to avoid

connecting signal types from different, incompatible, transmitter/ receiver families.

The TPX matrix switchers are housed in rack-mountable, 1U high, 17" wide metal

enclosures. The appropriate rack mounting kit is included with each switcher,

allowing you to mount the switcher in a standard 19" rack. Each model has an

internal 100 VAC to 240 VAC, 50/ 60 Hz, 25 watts, auto-switchable, power supply

that provides worldwide power compatibility.

Many twisted pair transmitters and receivers have the ability for one

component of the pair to provide power for the other (such as a TP R BNC A

providing the power for a TPT BNC).

The TPX 88 cannot power connected twisted pair transmitters and receivers.

The TPX 88 cannot switch the power that a twisted pair transmitter or

receiver supplies to a twisted pair receiver or transmitter.

In a twisted pair system that includes a TPX 88, both the twisted pair

transmitter and the twisted pair receiver must be powered locally. The

appropriate power supply is included with the transmitters and receivers.

1-6

TPX 88 Matrix Sw itchers • Introduction

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The TPX switcher can be remotely controlled via its Remote (RS-232/ RS-422) port.

The switchers are programmed with Extron’s Simple Instruction Set^™(SIS^™), a set

of basic ASCII code commands that provide simple control through a third party

control system or PC without programming long, obscure strings of code.

The Remote port can be connected to a control system, a PC, or an Extron

MCP 1000 remote control panel and/ or MKP 1000 remote keypad, MKP 2000

remote control panel, or MKP 3000 remote control panel.

Ab o u t t h e TPX 88 A Sw it ch e rs

Local audio outputs have volume and mute controls. The switcher’s local audio

outputs are on 5-pole, 3.5 mm captive screw connectors. These local outputs follow

the RJ-45 outputs. For example, if audio input 6 is tied to audio output 1, then the

TPX’s local audio output 1 is the input 6 audio. This is true regardless of whether

the audio follows the video or is broken away from the video in the routing of

signals between twisted pair transmitters and receivers.

The TP transmitters and receivers distribute audio in a proprietary digital

channel of the TP link.

The TPX 88 cannot switch this audio.

The TPX 88 A can switch this audio and extract it for the local connectors.

The audio distributed by certain VersaTools^®MTP transmitter/receiver pairs is

incompatible with the audio extraction and processing capabilities of the

TPX 88 A.

The TPX 88 and the TPX 88 A cannot switch the audio that is distributed by

MTP RGB transmitters and receivers.

The TPX 88 can switch the audio that is distributed by MTP S-video and

composite video transmitters and receivers.

The TPX 88 A can switch the audio that is distributed by MTP S-video and

composite video transmitters and receivers but cannot extract it for the

local connectors.

On the TPX 88 A, the switching of the audio portion of the TP link can either be

linked with the video portion (audio follow) or independent of the video portion

(audio breakaway).

TPX 88 Matrix Sw itchers • Introduction

1-7

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In t ro d u ct io n , co n t ’d

Fe a t u re s

Inputs — These switchers accept 8 sets of TP signals that are input from Extron

twisted pair transmitters on TP cable terminated with RJ-45 connectors. Each

transmitter creates the proprietary signal from its RGBHV, RGBS, RGsB,

RsGsBs, HDTV, component video, S-video, or composite video input. Most

transmitters also include either digital or differential analog audio on the

proprietary signal.

TP outputs — These switchers output 8 sets of TP signals for use by Extron twisted

pair receivers.

TPX 88 — The output proprietary signal includes the encoded video

(RGBHV, RGBS, RGsB, RsGsBs, HDTV, component video, S-video, or

composite video), but not the audio output by most TP transmitters.

However, if the input TP link originated from an MTP transmitter with audio,

the output proprietary signal also includes the audio portion of the link.

TPX 88 A — The output proprietary signal includes the encoded video

(RGBHV, RGBS, RGsB, RsGsBs, HDTV, component video, S-video, or

composite video) and audio.

Audio outputs (TPX 88 A only) — If the input TP link originated from a member of

the TP family of transmitters (see the table on page 1-3 and page 1-4), the

TPX 88 A outputs 8 stereo audio outputs, balanced or unbalanced, on 3.5 mm,

5-pole captive screw terminals.

Audio gain and attenuation (TPX 88 A only) — Users can set the input level of

audio gain or attenuation (-18 dB to +24 dB) for the signal that is output

locally. Gain and attenuation can be set via the RS-232/ RS-422 link or from

the front panel. Individual input audio levels can be adjusted so there are no

noticeable volume differences between sources (figure 1-2).

dBu

dBv

dBu

+10

-2

-5

-8

-12

dBv

-1

-4

-7

-10

-14

+10

-2

-5

-8

-12

-1

-3

-7

Consumer VCR

TP T 15HD A

ID PIN 11

H-SHIFT

COMPUTER

INPUT

BUFFERED

AUDIO

LOCAL MONITOR

15HD

-10

-14

Audio

Inputs

Low Audio

Output Level

Output

Level

I/O

AUDIO

SW SERIES

VIDEO

AUDIO SWITCHER

VIDEO

AUDIO

PRESET

VIEW

ESC

AUDIO

_OI/O

VOLUME

AUTO SWICH EXECUTIVE

VIDEO

MUTE ALL

AUDIO

-dB

+dB

TPX 88

ACUTIVE

MODE

CONF/SAVE

TWISTED PAIR SWITCHER

ENTER

Audio System

TPX88 A Twisted Pair Metrix Switcher

TP T 15HD A

ID PIN 11

H-SHIFT

dBu

dBv

COMPUTER

INPUT

BUFFERED

AUDIO

LOCAL MONITOR

15HD

+10

-2

-5

-8

-12

-1

-3

-7

No noticeable volume

differences between sources

Audio

Inputs

-10

-14

High Audio

Output Level

Pro CD Player

Fig u re 1-2 — Au d io g a in a n d a t t e n u a t io n

1-8

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Audio output volume (TPX 88 A only) — The audio level of each local output can

be adjusted through a range of 100% (no attenuation) to 0% (full attenuation).

The audio level can be adjusted under front panel or RS-232/ RS-422 control.

Switching flexibility — Provides individually buffered, independent matrix

switched outputs with audio follow and audio breakaway for the TPX 88 A.

•

Any input to any or all outputs

Quick multiple tie — Multiple inputs can be switched to multiple outputs

simultaneously. This allows all displays (outputs) to change from source to

source at the same time.

•

Audio follow (TPX 88 A) — The audio portion of the TP link input can be

switched with the corresponding video portion of the input TP link. This

feature allows any audio signal to be selected with any video signal

simultaneously to one or all outputs in any combination. Audio follow

switching can be done via front panel control or under RS-232/ RS-422 remote

control.

•

Audio breakaway (TPX 88 A) — The audio portion of the TP link input can

be broken away from its corresponding video portion of the input TP link.

Audio breakaway switching can be done via front panel control or under

RS-232/ RS-422 remote control.

Audio from a transmitter in the MTP family cannot be broken away.

Operational flexibility — Operations such as input/ output selection, setting of

presets, and adjustment of audio output levels (TPX 88 A only) can be

performed on the front panel or over the RS-232/ RS-422 link. The

RS-232/ RS-422 link allows remote control via a PC or control system.

•

Front Panel Controller — The TPX front panel controller feature supports

touch-of-a-button input and output selection, preset creation and selection,

and (TPX 88 A only) audio output volume control. The front panel features

large, positive touch, illuminated input and output pushbuttons that can be

labeled with text or graphics.

•

Windows-based control program — For RS-232/ RS-422 remote control from

a PC, Extron includes its Windows-based control software with every matrix

switcher. The control program provides a versatile range of operational

options with its graphical interface and drag-and-drop/ point-and-click

operation. The Windows-based control program also has an emulation mode

that lets you create a switcher configuration file at the home office and then

download it for use by the switcher on site.

•

Simple Instruction Set (SIS^™) — The remote control protocol uses Extron’s

SIS for easy programming and operation.

Remote control — The matrix switchers are remote controllable, using the

MCP 1000 master control panel and any combination of MCP 1000 slave

control panels and/ or MKP 1000 slave control keypads. The remote control

devices are easy to use and provide tactile buttons for quick selection. Each

MCP 1000 can be used for one-touch switching for a particular output and

selecting global presets. Each MKP 1000 dedicated to an output can be used

to select a different input for that output or to select a preset.

Labeling — Extron’s label software ships with every Extron matrix switcher. You

can create labels to place in the front panel I/ O buttons, with names,

alphanumeric characters, or color bitmaps for easy and intuitive input and

output selection. Alternatively, labels can be made with any Brother P-Touch

or comparable labeler.

TPX 88 Matrix Sw itchers • Introduction

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In t ro d u ct io n , co n t ’d

Global memory presets — 16 global memory presets are a time-saving feature that

lets you set up and store input/ output configurations in advance and then

recall those configurations when needed with a few simple steps.

I/O grouping — Allows the matrix to be virtually divided into up to four smaller

sub-switchers, making installation and control easier. I/ O grouping allows

specific outputs, such as those for a specific family of twisted pair receivers,

with a specific signal format, to be grouped together. Switching between I/ O

groups is not possible from the front panel.

Rack mount — Rack mountable in any conventional 19" wide rack.

Front panel security lockout (executive mode) — If a TPX switcher is installed in

an open area, where operation by unauthorized personnel may be a problem,

a security lock-out feature can be implemented. When the front panel is

locked, a special button combination is required to unlock the front panel

controller before it can be operated.

Power supply — Includes an internal 100 VAC to 240 VAC, 50/ 60 Hz, 25 watts

auto-switchable power supply, which provides worldwide power

compatibility.

1-10

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TPX 88 Tw isted Pair Matrix Sw itchers

Chapter Tw o

Installation

Mounting the Switcher

Cabling and Rear Panel Views

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In st a lla t io n , co n t ’d

In st a lla t io n

Mo u n t in g t h e Sw it ch e r

The TPX switchers are housed in rack-mountable, 1U high, 17" wide metal

enclosures. The appropriate rack mount kit is included with the switchers,

allowing you to mount the switcher in a standard 19" rack. Rack mount the

switcher as follows:

If rubber feet were installed on the bottom of the switcher, remove them.

Attach the rack mount brackets to the switcher with eight #8 machine screws,

provided (figure 2-1).

TP_WX^I88^HA

Fig u re 2-1 — Ra ck m o u n t in g a TPX sw it ch e r

Insert the switcher into the rack, align the holes in the mounting bracket with

those of the rack.

Secure the switcher to the rack using the supplied machine screws.

2-2

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Ca b lin g a n d Re a r Pa n e l Vie w s

All connectors are on the rear panel. The switcher can connect to as many as eight

compatible twisted pair transmitters for input and twisted pair receivers for output.

The TPX 88 A has output connections for eight local audio outputs. See the tables

on page 1-3 and page 1-4 for audio compatibility. Figure 2-2 shows the rear panel

of a TPX 88 A twisted pair matrix switcher.

The rear panel of the TPX 88 has most of the same features as the TPX 88 A,

but without the local audio connectors.

100-240V 0.3A

ANAHEIM, CA.

MADE IN USA

REMOTE

AUDIO

OUTPUTS

RS-232

RS-422

50-60Hz

INPUTS

OUTPUTS

Fig u re 2-2 — TPX 88 A t w ist e d p a ir m a t rix sw it ch e r w it h a u d io

Do not connect this device to a computer data or telecommunications

network

CAUTION

RJ-45 termination must comply with the TIA/EIA T 568A or TIA/EIA T 568B

wiring standards for all connections.

Inputs connectors — Connect one end of a TP cable to each of these RJ-45

female connectors. Connect the other end of each cable to a compatible

twisted pair transmitter. See Termination of TP cable in this chapter.

Outputs connectors — Connect one end of a TP cable to each of these RJ-45

female connectors. Connect the other end of each cable to a compatible

twisted pair receiver. See Termination of TP cable in this chapter.

Extron skew-free A/V cable is recommended for all applications.

CAT 5 and CAT 6 cable can be used for TP and VTT transmitters and

receivers.

CAT 6 cable is not recommended for MTP transmitters and receivers.

The TP R receivers’ automatic level and peaking and signal detect features

require the use of a TPX 88 A.

To support TP R receivers’ level and peaking features, either the automatic or

manual adjustment, use TP cables of approximately the same length on all TP

inputs ( ) and on all TP outputs ( ).

Audio Outputs connectors (TPX 88 A only) — These 3.5 mm, 5-pole captive

screw connectors output unamplified, unbalanced or balanced line level

audio. The local audio outputs follow the RJ-45 outputs; that is, if input 6 is

tied to output 1, then audio output 1 is the input 6 audio. See Audio outputs

connectors (TPX 88 A only) in this chapter.

These audio outputs are not available if the TP input is from an MTP family

transmitter.

Remote connector — Connect a host device to the TPX 88 via this 3.5 mm,

5-pole captive screw connector for serial RS-232/ RS-422 control. See Remote

port configuration in this chapter.

TPX 88 Matrix Sw itchers • Installation

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In st a lla t io n , co n t ’d

RS-232

RS-422

Remote configuration DIP switches — Set these DIP switches to

select either RS-232 or RS-422 serial control protocol. Set DIP switches

1 and 2 both down for RS-422 or set switches 1 and 2 both up for

RS-232. DIP switch 3 should always be up. See Remote port

configuration in this chapter.

AC power connector — Plug a standard IEC power cord into this connector

to connect the switcher to a 100 VAC to 240 VAC, 50 or 60 Hz power source.

Te rm in a t io n o f TP ca b le

Figure 2-3 details the recommended termination of TP cables for the compatible

twisted pair transmitters and receivers in accordance with the TIA/ EIA T 568A or

TIA/ EIA T 568B wiring standards.

TP and VTT transmitters and receivers

RGBHV and Composite video

568 A

568 B

audio signal and audio signal

Pin wire color

wire color

White-green White-orange Red/V. sync + Video +

Green

Orange

Red/V. sync

Audio +

–

Video

–

3* White-orange White-green

Audio+

Blue

Green +

Reserved

White-blue

Green

Audio

–

6* Orange

–

Audio

–

Side

Clip Down

12345678

White-brown White-brown Blue/H. sync + No signal

Brown

Blue/H. sync

–

No signal

Brown

MTP transmitters and receivers

568 A 568 B

Composite

video MTP

signal

S-video

MTP signal

RGB video

MTP signal

Wire

color color

White- White-

green orange

Red/

V. Sync +

Video +

Luma (Y) +

Luma (Y) –

Red/

V. Sync –

Green Orange Video –

12345678

Mono audio +

or RS-232 +

(MTP 15HD

only)

White- White-

NONE

orange green

RJ-45

connector

Chroma (C) &

audio left +

Audio

left +

Blue

Green +

Green –

White- White-

blue blue

Chroma (C) &

audio left –

Audio

left –

Twisted

Pairs

Mono audio –

or RS-232 –

(MTP 15HD

only)

1&2

6* Orange Green NONE

NONE

7&8

3&6 4&5

White- White-

brown brown

Blue/

H. Sync +

Audio

right +

Audio right+

Audio right –

Blue

H. Sync –

Audio

right –

Brown Brown

The TPX 88 A switches wire pair 3 and 6.

The TPX 88 does not switch wire pair 3 and 6.

Audio or serial data from an RGB video MTP is incompatible with both TPX models. They cannot be switched.

NOTE If you are using Enhanced Skew-Free™ A/V cable, use the TIA/EIA T 568A standard only.

Fig u re 2-3 — TP ca b le t e rm in a t io n

2-4

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Enhanced Skew-free A/V cable is not recommended for Ethernet/LAN

applications.

This cable is specially designed for compatibility with Extron’s Twisted Pair

products that are wired using the TIA/EIA 568 A standard.

The green, brown, and blue pairs of this cable have virtually identical lengths

and should be used to transmit the RGB signals.

The orange pair of this cable has a different length and should not be used to

transmit the RGB signals.

•

You can use either wiring standard, but ensure that you use the same

standard on both ends of both cables; the cable from the transmitter and the

cable from the receiver.

•

Ensure that you terminate the RJ-45 connectors for each cable properly for the

family (TP, VTT, MTP) of transmitter or receiver connected.

On RGB video MTPs, the audio or serial data that is carried on wire pairs 3

and 6 is incompatible with the TPX 88 A. The TPX 88 A cannot switch the

audio or serial data, output the audio locally, or break the audio away.

•

The TPX 88 does not switch or process wire pair 3 and 6.

Most TP transmitter/ receiver audio (audio that is associated with the

RGBHV link) is carried on wire pair 3 and 6, so the TPX 88 cannot switch

this audio.

On S-video and composite video MTPs, audio is carried on wire pairs

other than pair 3 and 6, so the TPX 88 switches this audio. The TPX 88

cannot output the audio locally or break it away.

•

The TPX 88 A switches and processes wire pair 3 and 6.

The TPX 88 A switches and processes the proprietary digital audio link

that is associated with the TP transmitter/ receiver family, which is

carried on wire pair 3 and 6.

Ca b le t e st in g

Systems that use Extron’s skew-free UTP cable do not need to be tested for

skew.

To ensure proper cable termination, each transmission cable system that uses CAT 5

cable should be tested. Testing the cable between the RJ-45 connections at the

transmitter and TPX 88 (transmitter cable system) and between the TPX 88 and the

receiver (receiver cable system) gives the most accurate indications of cable

problems.

There are two varieties of cable runs: simple runs, in which a single cable is

terminated only at the transmitter, TPX 88, and receiver, and complex runs, which

can include patch bays and multiple terminations and lengths of cable. In either

case, the entire transmitter cabling system and receiver cabling system should be

tested.

A complete test measures cable length and tests the wire map, attenuation, NEXT,

PSNEXT, ELFEXT, PSELFEXT, return loss, ACR and PSACR. All of these tests are

critical for digital data transfer, but not for analog video. While all of these tests are

important indicators of the quality of the cable termination, the most critical testing

parameters for video transfer are wire map (T-568-A or T-568-B termination) and

pair length measurements. The largest concern is equalization of skew between

cable pairs. Cable systems of 300 feet (91 meters) or less should exhibit no

transmission problems if they pass at least CAT 5e or preferably CAT 6-D5 channel

certification testing.

TPX 88 Matrix Sw itchers • Installation

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In st a lla t io n , co n t ’d

The Microtest OMNI SCANNER 2 performs comprehensive certification testing to

the proposed CAT 6 standards. Other manufacturers also make testing equipment.

The tests include advanced diagnostics for troubleshooting the cause and location

of many cable and termination problems. For simple installation testing, the

Microtest MICRO SCANNER PRO tests wire map and cable length, including

individual cable pair length.

The manufacturing process for network (CAT 5) UTP cable leads to a condition

called pair skew. Skew exists between pairs when the physical length of one wire

pair is different from another. As the transmission cable length increases, the

amount of skew increases. Skew affects the displayed image when the differential

length between wire pairs exceeds 2 feet, causing the timing of the red, green, and

blue video signals to appear out of alignment (horizontal registration errors). A

white vertical line on a black field can appear as individual red, green, and blue

lines that are close together; the signal transmitted on the shortest wire pair leads

the other colors and appears to the left on the display.

Pair skew can be measured with test equipment. UTP cable test equipment

measures and reports wire pair length. In certain circumstances, the report on the

various pair lengths can be used in equalizing pair skew.

If test equipment is not available, skew can be identified by viewing a crosshatch

test pattern with a critical eye to determine if either the red, green, or blue video

image leads (appears to the left of) the other two video images.

For best results when using CAT 5 cable in A/ V applications, pair skew needs to be

equalized. Extron suggests several ways to equalized the pair skew as follows.

The design of Extron’s Skew-Free A/V UTP cable minimizes pair skew to the

point that equalization is not required.

If there are different cable types and/or big differences in input cable length,

skew compensation will not work.

Eq u a lizin g p a ir ske w w it h Ske w Eq u a lize rs

Try using the following methods to minimize or eliminate pair skew:

•

If using MTP 15HD (RGB video) receivers, switch to SEQ versions of the

receivers.

•

Install separate SEQ 100 15HD or SEQ 100 BNC Skew Equalizers on the

receivers’ video outputs and adjust the skew for the leading video image.

Eq u a lizin g p a ir ske w w it h ske w co m p e n sa t io n ca b le s

The nominal velocity of propagation (NVP — the speed at which the signal travels

on the transmission line, measured as a percentage of the speed of light) of TP cable

is very close to that of conventional coaxial cable. The similarity in NVP means

that, when all transmitter cables systems use the same cable type and are

approximately equal in length, by adding an additional length of coax, equal to the

length of pair skew, placed on the receiver’s output, you can equalize the effects of

pair skew (figure 2-4).

If UTP cable test measurement cannot be done, pair skew can still be equalized,

assuming that all of the transmitter cable systems are equal, by viewing a

crosshatch test pattern with a critical eye. Examine the test pattern for loss of

horizontal registration and, through a process of trial and error, equalize any pair

skew with coax extensions on the red, green, and/ or blue outputs.

Extron skew compensation coax cables are available in lengths of 2 through 20 feet,

see Appendix A for part numbers.

2-6

TPX 88 Matrix Sw itchers • Installation

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IF cable measurement

of all cables indicates

that the pair with wires

1 and 2 is three feet shorter

than the other signals

(total for all cables)...

DPIN4

TP T 15HD A

DPIN1

-S

-6

RX+

RX-

TX+

TX-

GDN

-4

-2

TP R BNC A

PO.5A

UDIO

TPX88 A

SGO

PC Computer

H/HV

OUTPUT

RGB

RGB INPUT

CAT 6 TP Cable

Pair RGB video

1, 2 Red

4, 5 Green

7, 8 Blue

... THEN insert a three foot

extension cable to equalize

UTP skew for red video.

LCD Projector

Fig u re 2-4 — Pa ir ske w e q u a liza t io n

Au d io o u t p u t s co n n e ct o rs (TPX 88 A o n ly)

The Audio Outputs connectors are 3.5 mm, 5-pole captive screw connectors that

output unamplified, line level audio. The local audio outputs

follow the RJ-45 outputs; that is, if input 6 is tied to output 1, then

audio output 1 is the input 6 audio.

Connect audio devices, such as an audio amplifier or powered

speakers. See figure 2-5 to properly wire an output connector.

Tip

Ring

Sleeve (s)

Tip

See caution

Sleeve

Tip

Ring

See caution

Balanced Output

Unbalanced Output

Fig u re 2-5 — Ca p t ive scre w co n n e ct o r w irin g fo r a u d io o u t p u t

Connect the sleeve to ground (Gnd). Connecting the sleeve to a negative

(-) terminal will damage the audio output circuits.

CAUTION

The audio level for each input can be can be individually set, using the front panel

or under RS-232/ RS-422 control, to ensure that the output level does not vary from

input to input. See chapter 3, Operation, chapter 4, Programmer’s Guide, and

chapter 5, Switcher Software for details.

By default, the audio output follows the video switch. Audio breakaway, which

can be commanded via the front panel or under RS-232/ RS-422 control, allows you

to select from any one of the audio input sources. See chapter 3, Operation, chapter

4, Programmer’s Guide, and chapter 5, Switcher Software for details.

TPX 88 Matrix Sw itchers • Installation

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In st a lla t io n , co n t ’d

When making connections for the TPX 88 A from existing audio cables, see

figure 2-6. A mono audio connector consists of the tip and sleeve. A stereo

audio connector consists of the tip, ring and sleeve. The ring, tip, and sleeve

wires are also shown on the captive screw audio output connector diagram,

figure 2-5.

Tip (+)

Ring (-)

Sleeve (

)

Sleeve (

)

3.5 mm Stereo Plug Connector

(balanced)

RCA Connector

Fig u re 2-6 — Typ ica l a u d io co n n e ct o rs

Re m o t e p o rt co n fig u ra t io n

The Remote port is a 3.5 mm, 5-pole captive screw connector for serial

RS-232/ RS-422 control of the TPX 88. Wire the connector as shown in figure 2-7

and connect a host device, such as a computer, touch panel control, or RS-232

capable PDA.

Pin RS-232 Function

Gnd Gnd Signal ground Gnd Signal ground

TX- Not used

TX- Transmit data (-)

TX+ TX+ Transmit data TX+ Transmit data (+)

RS-422 Function

—

RX-

—

Not used

RX- Receive data (-)

RX+ Receive data (+)

RX+ RX+ Receive data

RS-232

RS-422

Settings

RS-422

Fig u re 2-7 — Re m o t e co n n e ct o r

RS-422 implementation may vary between computers or controls systems.

Connect the control cable as shown in figure 2-7. If the serial communications

link with the TPX switcher does not work, try reversing the polarity of the TX

and RX signal lines.

Set Remote Configuration DIP switches 1 and 2 either both down to select RS-422

serial control protocol or both up to select RS-232. DIP switch 3 should always be

up.

If desired, connect an MCP 1000 remote control panel master unit or MKP 2000 or

MKP 3000 remote control panel to the switcher’s Remote connector. You can also

connect an MKP 1000 remote keypad or MCP 1000 slave unit to the MCP 1000

master unit. Refer to the connected device’s manual for details.

See chapter 4, Programmer’s Guide, for definitions of the SIS commands and

chapter 5, Matrix Software for details on how to install and use the control software.

2-8

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TPX 88 Tw isted Pair Matrix Sw itchers

Chapter Three

Operation

Front Panel Controls and Indicators

Operations

Troubleshooting

Worksheets

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Op e ra t io n , co n t ’d

Op e ra t io n

Fro n t Pa n e l Co n t ro ls a n d In d ica t o rs

The front panel controls (figure 3-1) are grouped into four sets. The input and

output buttons are grouped on the left side of the control panel. The control

buttons are grouped in the middle of the panel. On the TPX 88 A only, the input/

output (I/ O) selection button and audio controls are grouped on the right side of

the panel.

The TPX 88 is identical to the TPX 88 A, with the exception that it does not

have I/O selection or audio controls. These controls are marked with an

asterisk (*) in figure 3-1.

10*

I/O

AUDIO

VIDEO

AUDIO

PRESET

ENTER

VIEW

ESC

VOLUME

MUTE ALL

TPX 88 A

TWISTED PAIR SWITCHER

Fig u re 3-1 — TPX 88 A fro n t p a n e l

De fin it io n s

The following terms, which apply to Extron matrix switchers, are used throughout

this manual:

Tie — An input-to-output connection.

Set of ties — An input tied to two or more outputs. (An output can never be tied

to more than one input.)

Configuration — Consists of one or more ties or one or more sets of ties.

Current configuration — The configuration that is currently being used (also

called configuration 0).

Global memory preset — A configuration that has been stored. Up to sixteen

global memory presets can be stored in memory. The input buttons select

the desired preset memory location to load or retrieve a preset. When a

preset is retrieved from memory, it becomes the current configuration. One

preset can be assigned to each input button.

In p u t a n d o u t p u t b u t t o n s

The large, illuminated input and output pushbuttons can be labeled with text and/

or graphics. The buttons can be set to provide amber background illumination all

the time or the background illumination can be set off. The buttons blink or are

fully illuminated (depending on the operation) when selected.

Input 1 through 8 buttons — The input buttons have three independent

functions: to select an input, to identify the selected inputs, and to select a

preset. A more detailed explanation of these functions is included in

Operations, beginning on page 3-5.

Output 1 through 8 buttons — The output buttons have four independent

functions: to select an output, to identify the selected outputs, to select a

preset, and (on the TPX 88 A) to display the user-adjustable audio level of the

selected input. A more detailed explanation of these functions is included in

Operations, beginning on page 3-5.

3-2

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Co n t ro l b u t t o n s

Preset button and LED — The Preset button saves a configuration as a preset,

or recalls and makes active a previously-defined preset. The Preset LED

indicates save mode when it is blinking and recall mode when it lights

steadily.

Enter button — The Enter button saves changes when you set up a new

configuration. To create a simple configuration:

•

(TPX 88 A only) specify video, audio, or both [see the I/ O button (

and the Video and Audio LEDs ( )]

)

•

Press the desired input button (

Press the desired output buttons (

Press the Enter button.

)

View button and LED — The View button selects a view-only mode that

allows the display of the current configurations. The view-only mode helps

prevent changing configurations by accident. When lit, the View LED

indicates that the switcher is in view-only mode.

In view-only mode, pressing any input button ( ) or output ( ) button

lights the buttons for the input and all outputs that are a part of that set of

ties. Pressing the button for any unassigned output lights only the buttons for

all of the unassigned outputs. No input button is lit.

Esc button — The Esc button cancels operations or selections in progress and

resets the front panel button indicators. The Esc button does not reset the

current configuration or any presets. On the TPX 88 A, the Esc button does

not reset the video and/ or audio selection or any audio gain or attenuation

settings.

TPX 88 Matrix Sw itchers • Operation

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Op e ra t io n , co n t ’d

I/O co n t ro ls (TPX 88 A o n ly)

When creating or viewing a configuration, you must specify whether the

configuration applies to video, audio, or both. This is done with the I/ O selection

button ( ) and indicated by the Video and Audio ( ) LEDs.

I/O button — The I/ O button selects video, audio, or video and audio for

input selection.

Video and Audio LEDs — The Video and Audio LEDs indicate whether

video, audio, or video and audio will be selected using the Input and output

buttons ( and ).

Pressing the I/ O button advances through a cycle of video and/ or audio

selection as follows: {default} video and audio, {press} video only, {press}

audio only, {press} video and audio, and so on (figure 3-2).

I/O

VIDEO

AUDIO

VIDEO

AUDIO

VIDEO

AUDIO

VIDEO

AUDIO

Default

(Video &

audio)

Press

Video

only

Press

Video &

audio

Press

Audio

only

= Lit LED,

= unlit LED

Fig u re 3-2 — Vid e o a n d /o r a u d io se le ct io n cycle

Au d io co n t ro ls (TPX 88 A o n ly)

Mute All button and LED — The Mute All button toggles the mute function

on and off for all of the local audio outputs (those on the rear panel 3.5 mm

captive screw connectors).

Volume knob — The volume knob sets the audio gain or attenuation level for

the selected input and the volume level for the selected output. The level and

volume adjustments affect only the local audio outputs (those on the rear

panel 3.5 mm captive screw connectors).

10*

The current input audio level setting for the selected input is displayed by the

output buttons. A more detailed explanation of audio gain adjustment is

included in Viewing and adjusting the input audio level (TPX 88 A only)

beginning on page 3-20.

The current output volume level setting for the selected output is displayed

by the input buttons. A more detailed explanation of audio volume

adjustment is included in Viewing and adjusting the output volume (TPX 88 A

only) beginning on page 3-22.

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Bu t t o n ico n s

The numbered translucent covers on the pushbuttons can be removed and replaced

to insert labels behind the covers.

Input and output inserts can be created easily with Extron’s Button Label Generator

software, which ships with every Extron matrix switcher. Each input and output

can be labeled with names, alphanumeric characters, or even color bitmaps for easy

and intuitive input and output selection.

Figure 3-3 shows a sample set of button inserts in a typical configuration. The icons

in the input buttons show the video sources that drive the TP transmitters that are

connected to the inputs. The TP receivers that are connected to the outputs drive

the video displays that are shown by the icons in the output buttons.

Document

Camera

DVD

VCR

VTG 200

Computer

Projector Picture

Plasma Picture

3 4 5 6

Fig u re 3-3 — Sa m p le b u t t o n ico n s

See chapter 5, Matrix Software, for details on using the labeling software. See

Appendix A, Reference Information, for blank labels and procedures for removing

and replacing the translucent covers.

Op e ra t io n s

The following paragraphs detail the power up process and provide sample

procedures for creating ties, sets of ties, and configurations; changing a

configuration; viewing ties, sets of ties, and configurations; saving a preset;

recalling a preset; and viewing and adjusting the audio level.

Po w e r

Power is automatically applied when the power cord is connected to an AC source.

When AC power is applied, the switcher performs a self-test that cycles the front

panel I/ O button indicators on and off from left to right lit green, right to left lit

red, and left to right lit amber. An error-free power up self-test sequence leaves the

Video and/ or the Audio LEDs on (TPX 88 A only), all other LEDs unlit, and all I/ O

buttons either unlit or showing background illumination.

The current configuration and all presets are saved in non-volatile memory. When

power is applied, the last current configuration is retrieved. The previous presets

remain intact.

If an error occurs during the self-test, the switcher locks up and will not operate. If

your switcher locks up on power-up, call the Extron S³Sales & Technical Support

Hotline.

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Op e ra t io n , co n t ’d

I/O g ro u p in g

I/ O grouping is an RS-232/ RS-422 controlled feature that allows you to subdivide

the front panel control of the matrix into up to four smaller functional sub-

switchers. Inputs and outputs can be assigned to one of four groups (figure 3-4) or

not assigned to any group. Once assigned to a group, inputs and outputs can only

be tied within that group from the front panel. For example, a front panel operator

cannot tie an input that is assigned to group 1 to an output that is assigned to group

2. Ungrouped inputs and outputs can be switched to outputs and inputs in any

group.

INPUTS

PICTURE ADJUSTMENTS

BRT/CONT COL/TNT

ADJUST

FREEZE

RGB

SDI

CENTER

SIZE

ZOOM

DETAIL

USP 405

UNIVERSAL SIGNAL PROCESSOR

USP 405

Projector

Computer #1

Computer #2

2 input, 3 output

RGBHV matrix

1 2 3 4 5 6 7 8

Input

Group 1

Group 2

Group 3

Output

Group 3

Monitor

INPUTS

PICTURE ADJUSTMENTS

BRT/CONT COL/TNT

ADJUST

FREEZE

RGB

SDI

CENTER

SIZE

ZOOM

DETAIL

3 input, 2 output

3 input, 3 output

USP 405

UNIVERSAL SIGNAL PROCESSOR

MTP composite matrix

MTP S-video matrix

USP 405

PICTURE ADJUSTMENTS

ADJUST

Document Camera

Input

RGB

RGB/YUV VIDEO/

S-VIDEO S-VIDEO S-VIDEO

VIDEO/

SDI

TAKE

SIZE

CENTER

DVS 406

DIGITAL VIDEO SCALER

Camera #1

Camera #3

DVS 406

Monitor

Output

VCR

DVD

Group 1

Group 2

Monitor

Fig u re 3-4 — I/O g ro u p in g o f co m p a t ib le t w ist e d p a ir

t ra n sm it t e r/re ce ive r p a irs

The I/ O groups can be set up only by using the RS-232/ RS-422 port and either the

SIS or the Windows control program (see chapter 4, Programmer’s Guide, and

chapter 5, Matrix Software. Ties between groups (an input in group 1 tied to an

output in group 2) can be created under RS-232/ RS-422 control. Presets can also be

created under RS-232/ RS-422 control that tie inputs and outputs across group

boundaries. These presets are selectable from the front panel.

Suggested applications for the I/ O grouping feature include:

•

Segregating specific twisted pair transmitter and receiver formats to prevent

a transmission from one family of twisted pair transmitters from being

inadvertently applied to a twisted pair receiver from an incompatible family.

See the table on page 1-3 and page 1-4 for twisted pair transmitter and

receiver compatibility.

•

Segregating specific video formats to prevent an input in one video format

from being inadvertently applied to an output device that supports another

video format.

•

Segregating input and output devices that are in separate rooms.

Isolating video from being displayed on specific output devices for

operational security reasons.

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The I/ O groups created under RS-232/ RS-422 control can result in front panel

indications that are different from indications when grouping is not used. In the

following paragraphs, the effects of I/ O grouping on the front panel indications are

included where applicable.

Cre a t in g a co n fig u ra t io n

The current configuration can be changed using the front panel buttons. To change

the current configuration, do the following:

Press the Esc button to clear any input buttons, output buttons, or control

buttons that may be lit.

(TPX 88 A only) Select to configure video, audio, or both by pressing the I/ O

button. The Video and/ or Audio LEDs light to indicate that video and/ or

audio are selected.

Select the desired input and output(s) by pressing the input and output

buttons.

Input and output buttons light amber to indicated video and audio ties. The

buttons light green to indicated video only ties. The buttons light red to

indicate audio only ties.

To indicate current ties, the buttons for tied outputs light the appropriate color

(amber, green, or red) when an input is selected. To clear unwanted outputs

press and release the associated lit output buttons.

Press and release the Enter button.

Repeat steps 1 through 4 to create additional ties until the desired

configuration is complete.

•

Only one video input and one audio input can be tied to an output but

multiple outputs can be tied to a single input.

•

If a tie is made between an input and an output, and the selected output

was previously tied to another input, the older tie is broken in favor of the

newer tie.

•

If an input with no tie is selected, only that input’s button lights. The

button lights the appropriate color for the video and/or audio selection.

When the Video and Audio LEDs are lit, if an input with an audio tie but

no video tie is selected, the input’s button lights amber and the output

button lights red.

•

If the input button for a grouped input is pressed, and then the output

button for an output in a different group is pressed, the associated output

button does not light. That output cannot be tied to an input from a

different group using the front panel. The associated input button

remains lit.

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Op e ra t io n , co n t ’d

Exa m p le 1: Cre a t in g a se t o f vid e o a n d a u d io t ie s

The following steps show an example in which input 5 is tied to outputs 3, 4, and 8.

Where an explanation is helpful, the steps show the front panel indications that

result from your action.

This example assumes that there are no ties in the current configuration.

Press and release the Esc button.

TPX 88 A only — To select video and audio for the tie, if necessary, press and

release the I/ O button until the LEDs light (figure 3-5).

I/O

The video LED lights green when video is selected.

VIDEO

AUDIO The audio LED lights red when audio is selected.

Press the button to cycle

through the selections.

Fig u re 3-5 — Se le ct vid e o a n d a u d io

Press and release the input 5 button (figure 3-6).

Press and release the input 5 button.

The button lights amber to indicate that the video and audio inputs are selected (audio follow).

1 2 3 4 5 6 7 8

Fig u re 3-6 — Se le ct a n in p u t

Press and release the output 3, output 4, and output 8 buttons (figure 3-7).

The entire set of ties can be canceled at this point by pressing and releasing the

Esc button. The Esc button flashes once.

1 2 3 4 5 6 7 8

ENTER

The Enter LED blinks to

indicated the need to

push the Enter button to

create the potential tie.

Press and release the output 3, 4, and 8 buttons.

The buttons blink amber to indicate that the selected video and audio input will

be tied to these outputs.

= Blinking button

= Blinking LED

Fig u re 3-7 — Se le ct t h e o u t p u t s

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Press and release the Enter button (figure 3-8).

The current configuration is now defined as video and audio (TPX 88 A only)

input 5 tied to video and audio output 3, output 4, and output 8.

1 2 3 4 5 6 7 8

Press the Enter button to

confirm the configuration

change.

1 2 3 4 5 6 7 8

All input and output buttons return to unlit or background illumination.

ENTER

The Enter LED goes out.

Fig u re 3-8 — Pre ss t h e En t e r b u t t o n

Exa m p le 2: Ad d in g a t ie t o a se t o f vid e o a n d a u d io t ie s

The following steps show an example in which a new video tie is added to the

current configuration. Where an explanation is helpful, the steps show the front

panel indications that result from your action.

This example assumes that you have performed example 1.

Press and release the Esc button.

TPX 88 A only — To select video only for the tie, if necessary, press and

release the I/ O button until only the video LED lights (figure 3-9).

I/O

The video LED lights green when video is selected.

VIDEO

AUDIO The audio LED is unlit when audio is deselected.

Press the button to cycle

through the selections.

Fig u re 3-9 — Se le ct vid e o o n ly

Press and release the input 5 button (figure 3-10).

Press and release the input 5 button.

The button lights green to indicate that only the video inputs are selected (audio breakaway).

1 2 3 4 5 6 7 8

The output 3, output 4, and output 8 buttons light green to indicate the video ties created in example 1.

Fig u re 3-10 — Se le ct a n in p u t

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Op e ra t io n , co n t ’d

Press and release the output 1 button (figure 3-11). The output 1 button blinks

green to indicate a tentative video tie.

1 2 3 4 5 6 7 8

ENTER

The Enter LED blinks to

indicated the need to

push the Enter button to

create the potential tie.

Press and release the output 1 button.

The button blinks green to indicate that only the selected video input will be tied to this output.

= Blinking button

= Blinking LED

Fig u re 3-11 — Se le ct t h e o u t p u t

Press and release the Enter button (figure 3-12).

The current configuration is now video input 5 tied to video output 1,

output 3, output 4, and output 8; and (TPX 88 A only) audio input 5 tied to

audio output 3, output 4, and output 8.

1 2 3 4 5 6 7 8

Press the Enter button to

confirm the configuration

change.

1 2 3 4 5 6 7 8

All input and output buttons return to unlit or background illumination.

ENTER

The Enter LED goes out.

Fig u re 3-12 — Pre ss t h e En t e r b u t t o n

Exa m p le 3a : Re m o vin g a n a u d io t ie fro m a se t o f t ie s (TPX 88 A o n ly)

This example can be performed on a TPX 88 A only.

The following steps show an example in which an existing audio tie is removed

from the current configuration. Where an explanation is helpful, the steps show the

front panel indications that result from your action.

This example assumes that you have performed example 1 and example 2.

Press and release the Esc button.

To select audio only for the tie, if necessary, press and release the I/ O button

until only the audio LED lights (figure 3-13).

I/O

The video LED is unlit when video is deselected.

VIDEO

AUDIO The audio LED lights red when audio is selected.

Press the button to cycle

through the selections.

Fig u re 3-13 — Se le ct a u d io o n ly

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Press and release the input 5 button (figure 3-14).

Press and release the input 5 button.

The button lights red to indicate that only the audio inputs are selected (audio breakaway).

1 2 3 4 5 6 7 8

The output 3, output 4, and output 8 buttons light red to indicate the audio ties created in example 1.

The output 1 button remains unlit because the output 1 tie is video only and audio is selected.

Fig u re 3-14 — Se le ct a n in p u t

The output 1 button does not light, even if the steps in example 2 have been

completed, because example 2 added a video tie only.

Press and release the output 4 button (figure 3-15).

1 2 3 4 5 6 7 8

ENTER

The Enter LED blinks to

indicated the need to

push the Enter button to

create the potential tie.

Press and release the output 4 button.

The button returns to unlit to indicate that the audio input will be untied.

= Blinking LED

Fig u re 3-15 — De se le ct t h e o u t p u t

Press and release the Enter button (figure 3-16).

The current configuration is now video input 5 tied to video output 1, output 3

output 4, and output 8; and audio input 5 tied to audio output 3 and output 8.

1 2 3 4 5 6 7 8

Press the Enter button to

confirm the configuration

change.

1 2 3 4 5 6 7 8

All input and output buttons return to unlit or background illumination.

ENTER

The Enter LED goes out.

Fig u re 3-16 — Pre ss t h e En t e r b u t t o n

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Op e ra t io n , co n t ’d

Exa m p le 3b : Re m o vin g a t ie fro m a se t o f t ie s (TPX 88 o n ly)

This example can be performed on a TPX 88 only.

The following steps show an example in which an existing tie is removed from the

current configuration. Where an explanation is helpful, the steps show the front

panel indications that result from your action.

This example assumes that you have performed example 1 and example 2.

Press and release the Esc button.

Press and release the input 5 button (figure 3-17).

Press and release the input 5 button.

The button lights green.

1 2 3 4 5 6 7 8

The output 1, output 3, output 4, and output 8 buttons light green to indicate the ties created in

example 1 and example 2.

Fig u re 3-17 — Se le ct a n in p u t

3. Press and release the output 4 button (figure 3-18).

1 2 3 4 5 6 7 8

ENTER

The Enter LED blinks to

indicated the need to

push the Enter button to

create the potential tie.

Press and release the output 4 button.

The button returns to unlit or background illumination to indicate that the input will be untied.

= Blinking LED

Fig u re 3-18 — De se le ct a n o u t p u t

Press and release the Enter button (figure 3-19).

The current configuration is now defined as input 5 tied to output 1, output 3,

and output 8.

1 2 3 4 5 6 7 8

Press the Enter button to

confirm the configuration

change.

1 2 3 4 5 6 7 8

All input and output buttons return to unlit or background illumination.

ENTER

The Enter LED goes out.

Fig u re 3-19 — Pre ss En t e r

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Vie w in g a co n fig u ra t io n

The current configuration can be viewed using the front panel buttons. The view-

only mode prevents inadvertent changes to the current configuration.

To view the current configuration, do the following:

Press the Esc button to clear any input button indications, output button

indications, or control button indications that may be on.

Press and release the View button.

(TPX 88 A only) Select video, audio, or both to view by pressing the I/ O

button. The Video and/ or Audio LEDs light to indicate that video and/ or

audio are selected.

Select the desired input or output whose ties you wish to view by pressing the

input or output buttons.

•

To see all ties of the current configuration, press and release each input

and output button, one at a time, (TPX 88 A only) with the Video and

Audio LEDs lit.

(TPX 88 A only) In view-only mode, you can view video and audio,

video-only, or audio-only ties. Pressing and releasing the Video and

Audio buttons toggles each on and off.

When you enter view-only mode, the output buttons light for all outputs

without ties. Likewise, when an output button for which there are no ties

is pushed, the output buttons turn on for all outputs without ties.

(TPX 88 A only) The output buttons’ colors indicate audio breakaway for

one or more of those outputs.

Exa m p le 4a : Vie w in g t ie s (TPX 88 A o n ly)

The following steps show an example of viewing the video and audio, audio-only,

and video-only ties in the current configuration. Where an explanation is helpful,

the steps show the front panel indications that result from your action.

This example assumes that you have performed example 1, example 2, and

example 3a.

Press and release the Esc button.

Press and release the View button to enter view-only mode. The View LED

lights (figure 3-20).

Press the button to

select view mode.

The View LED lights when view mode is selected.

VIEW

1 2 3 4 5 6 7 8

The buttons for all untied outputs light amber until you select an input.

The lit indications indicate the untied outputs after performing example 1, example 2, and example 3a.

For the TPX 88 A, step 3 has also been performed.

Fig u re 3-20 — Se le ct vie w m o d e

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Op e ra t io n , co n t ’d

A tie can also be viewed by selecting a tied output. To demonstrate this, note

the number of an output button that is lit the same color as the input button

(amber for video and audio, green for video, or red for audio), and then press

and release the output button for an untied (unlit or background illumination)

output. Observe that all of the untied outputs light. Then press the output

button noted previously and observe that the selected output button and the

tied input button (input 5) light.

To select both video and audio for viewing, if necessary, press and release the

I/ O button until the LEDs light (figure 3-21). Observe the indications shown

in figure 3-20.

I/O

The video LED lights green when video is selected.

VIDEO

AUDIO The audio LED lights red when audio is selected.

Press the button to cycle

through the selections.

Fig u re 3-21 — Se le ct vid e o a n d a u d io

Press and release the input 5 button (figure 3-22). The input 5 button lights

amber.

Press and release the input 5 button.

The button lights amber to indicate that the video and audio ties will be shown.

1 2 3 4 5 6 7 8

Green

Amber

Green

Amber

The output buttons for outputs that are not tied to input 5 are either unlit or background illuminated.

The output buttons for outputs that are tied to input 5 light the appropriate color:

Amber for audio and video ties (audio follow)

Green for video ties (audio breakaway)

Red for audio ties (audio breakaway)

Fig u re 3-22 — Se le ct a n in p u t

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Press and release the I/ O button to deselect audio (figure 3-23).

Press the button to

deselect audio.

I/O

The video LED lights green when video is selected.

VIDEO

AUDIO The audio LED is unlit when audio is deselected.

1 2 3 4 5 6 7 8

Green

The output buttons for outputs that do not have video ties to input 5 are either unlit or background illuminated.

The output buttons for outputs that are tied to input 5 light green to indicate video ties (audio breakaway).

Fig u re 3-23 — De se le ct a u d io t o vie w vid e o o n ly

Press and release the I/ O button to deselect video and select audio

(figure 3-24).

Press the button to deselect

video and select audio.

I/O

The video LED is unlit when video is deselected.

VIDEO

AUDIO The audio LED lights red when audio is selected.

1 2 3 4 5 6 7 8

Red

The output buttons for outputs that do not have video ties to input 5 are either unlit or background illuminated.

The output buttons for outputs that are tied to input 5 light red to indicate audio ties (audio breakaway).

Fig u re 3-24 — De se le ct vid e o a n d se le ct a u d io t o vie w a u d io o n ly

Press and release the View button to exit view mode (figure 3-25).

1 2 3 4 5 6 7 8

Press the View button

to exit view mode.

1 2 3 4 5 6 7 8

All input and output buttons return to unlit or background illumination.

VIEW

The View LED goes out.

Fig u re 3-25 — Pre ss t h e Vie w b u t t o n t o e xit vie w m o d e

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Op e ra t io n , co n t ’d

Exa m p le 4b : Vie w in g t ie s (TPX 88 o n ly)

The following steps show an example of viewing the ties in the current

configuration. Where an explanation is helpful, the steps show the front panel

indications that result from your action.

This example assumes that you have performed example 1, example 2, and

example 3b.

Press and release the Esc button.

Press and release the View button to enter view-only mode. The View LED

lights (figure 3-26).

Press the button to

select view mode.

The View LED lights when view mode is selected.

VIEW

1 2 3 4 5 6 7 8

The buttons for all untied outputs button light until you select an input.

The lit indications indicate the untied outputs after performing example 1, example 2, and example 3b.

Fig u re 3-26 — Se le ct vie w m o d e

A tie can also be viewed by selecting a tied output. To demonstrate this, note

the number of an output button that is lit, and then press and release the

output button for an untied (unlit or background illumination) output.

Observe that all of the untied outputs light. Then press the output button

noted previously and observe that the selected output button and the tied input

button (input 5) light.

Press and release the input 5 button (figure 3-27).

Press and release the input 5 button. The button lights.

1 2 3 4 5 6 7 8

The output buttons for outputs that are not tied to input 5 are either unlit or background illuminated.

The output buttons for outputs that are tied to input 5 light.

Fig u re 3-27 — Se le ct a n in p u t

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Press and release the View button to exit view mode (figure 3-28).

1 2 3 4 5 6 7 8

Press the View button

to exit view mode.

1 2 3 4 5 6 7 8

All input and output buttons return to unlit or background illumination.

VIEW

The View LED goes out.

Fig u re 3-28 — Pre ss t h e Vie w b u t t o n t o e xit vie w m o d e

Usin g p re se t s

The current configuration (configuration 0) can be saved as a preset in any one of

16 preset memory addresses, or, as many presets as the switcher has input and

output buttons.

•

Only the audio and video ties are stored and recalled; audio gain settings

are not saved, and they do not change when a preset is recalled.

•

Presets cannot be viewed from the front panel unless recalled as the

current configuration. Presets can be viewed using Extron’s Windows-

based control program. See Chapter 5, Matrix Software, for more details.

•

The current configuration and all presets are stored in non-volatile

memory. When power is removed and restored, the current configuration

is still active and all presets are retained.

When a preset is recalled, it replaces the current configuration, which is

lost unless it is also stored as a preset. The recalled preset overwrites all of

the current configuration ties in favor of the preset configuration ties.

Exa m p le 5: Sa vin g a p re se t

The following steps show an example in which the current configuration is saved

as a preset. Where an explanation is helpful, the steps show the front panel

indications that result from your action.

Press and release the Esc button.

Press and hold the Preset button for approximately 2 seconds (figure 3-29).

Press and hold the button.

2 seconds

PRESET

= Blinking LED

Fig u re 3-29 — En t e r sa ve p re se t m o d e

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Op e ra t io n , co n t ’d

Press and release the Input 1 button (figure 3-30).

Press and release the input 1 button to select preset 1.

The button blinks red.

ENTER

Preset 2 Preset 3 Preset 4 Preset 5 Preset 6 Preset 7 Preset 8

The Enter button

blinks to indicate

the need to save

the preset.

1 2 3 4 5 6 7 8

Preset 9 Preset 10 Preset 11 Preset 12 Preset 13 Preset 14 Preset 15 Preset 16

= Blinking button

= Blinking LED

Fig u re 3-30 — Se le ct t h e p re se t

Press and release the Enter button (figure 3-31). The current configuration is

now stored in memory location 1.

Press the Enter button

to save the preset.

1 2 3 4 5 6 7 8

PRESET

All input and output buttons return to unlit or background illumination.

ENTER

The Enter LED returns to unlit.

The Preset LED returns to unlit.

Fig u re 3-31 — Pre ss t h e En t e r b u t t o n

Exa m p le 6: Re ca llin g a p re se t

The following steps show an example in which a preset is recalled to become the

current configuration. Where an explanation is helpful, the steps show the front

panel indications that result from your action.

Press and release the Esc button.

Press and release the Preset button (figure 3-32).

The input 1 button lights to indicate that

there is a configuration assigned to preset 1.

Press and release

the Preset button.

Preset 2 Preset 3 Preset 4 Preset 5 Preset 6 Preset 7 Preset 8

1 2 3 4 5 6 7 8

PRESET

1 2 3 4 5 6 7 8

Preset 9 Preset 10 Preset 11 Preset 12 Preset 13 Preset 14 Preset 15 Preset 16

Unlit input buttons indicate no preset is assigned to those location.

Recalling an unlit preset clears all ties.

Fig u re 3-32 — Se le ct re ca ll p re se t m o d e

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Press and release the Input 1 button (figure 3-33).

Press and release the input 1 button to select preset 1.

The button blinks red.

Any other buttons with stored presets return to unlit or background illumination.

ENTER

Preset 2 Preset 3 Preset 4 Preset 5 Preset 6 Preset 7 Preset 8

The Enter button

blinks to indicate

the need to

1 2 3 4 5 6 7 8

recall the preset.

1 2 3 4 5 6 7 8

Preset 9 Preset 10 Preset 11 Preset 12 Preset 13 Preset 14 Preset 15 Preset 16

= Blinking button

= Blinking LED

Fig u re 3-33 — Se le ct t h e p re se t

Press and release the Enter button (figure 3-34). The configuration stored in

memory location 1 is now the current configuration and can be viewed in the

view-only mode (see example 4).

Press the Enter button

to recall the preset.

1 2 3 4 5 6 7 8

PRESET

All input and output buttons return to unlit or background illumination.

ENTER

The Enter LED returns to unlit.

The Preset LED returns to unlit.

Fig u re 3-34 — Pre ss t h e En t e r b u t t o n

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Op e ra t io n , co n t ’d

Vie w in g a n d a d ju st in g t h e in p u t a u d io le ve l (TPX 88 A o n ly)

On the TPX 88 A, the audio level of each input can be displayed and adjusted

through a range of -18 dB to +24 dB to ensure that there is no noticeable volume

difference among sources. The audio level can be adjusted from the front panel or

under RS-232/ RS-422 control.

The input level adjustment does not affect the audio portion of the twisted pair

link output on RJ-45 connectors.

The input level adjustment will not work for an input whose tied local output

is muted. If one or more local outputs are muted, press the Mute All button

once or twice as necessary to turn off the Mute All LED.

Press and hold the I/ O button until the Audio LED begins to blink red, then

release the I/ O button.

Press and release an input button to select an input. The output buttons

display audio level and polarity (+ or -) for the selected input. Green output

buttons indicate a gain (+) audio level and red buttons indicate an attenuation

(-) level.

Rotate the volume knob to increase and decrease the audio level.

Press and release the I/ O button to save the setting and exit the audio display

and adjustment mode. The Audio LED returns to unlit.

•

There is one audio level setting per input. The audio level setting is

shared by the left and right audio inputs.

•

The audio level settings are stored in non-volatile memory. When power

is removed and restored, the audio level settings are retained.

Exa m p le 7: Vie w in g a n d a d ju st in g a n in p u t a u d io le ve l

The following steps show an example in which an audio level is viewed and

adjusted. Where an explanation is helpful, the steps show the front panel

indications that result from your action.

The input level adjustment will not work for an input whose tied local output

is muted. If one or more local outputs are muted, press the Mute All button

once or twice as necessary to turn off the Mute All LED.

Press and release the Esc button.

Press and hold the I/ O button for approximately 2 seconds (figure 3-35).

Press and hold the button.

I/O

VIDEO

AUDIO

VIDEO

AUDIO

2 seconds

= Blinking LED

Fig u re 3-35 — Se le ct a u d io vie w a n d a d ju st m o d e

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Press and release the input 5 button (figure 3-36).

Press and release the input 5 button.

The button lights to indicate that the input 5 audio is selected.

1 2 3 4 5 6 7 8

Green

The output buttons display the selected input's audio level and polarity (gain or attenuation).

When the buttons are lit green, they indicate a gain (+) audio level.

When the output buttons are lit red, they indicate an attenuation (-) level.

In this example, the output buttons display an audio gain level of +8 dB.

= Slow blink (1 dB)

= Lit (3 dB)

= Unlit (0 dB)

= Fast blink (2 dB)

Fig u re 3-36 — Se le ct a n in p u t

Slowly rotate the volume knob counterclockwise (figure 3-37). Note the

output button indication changes that occur as you rotate the knob.

Turn the volume knob slowly. The encoder will not reliably recognize the

level change if you turn the knob too quickly.

Figure 3-37 shows the result of reducing the audio level a total of 9 dB. Note

that the level is now displayed in red to indicate a negative level.

Rotate the volume knob.

1 2 3 4 5 6 7 8

VOLUME

Red

The output buttons display the selected input's audio level and polarity (gain or attenuation).

When the buttons are lit green, they indicate a gain (+) audio level.

When the output buttons are lit red, they indicate an attenuation (-) level.

In this example, the output buttons display an audio gain level of -1 dB.

= Slow blink (1 dB)

= Lit (3 dB)

= Unlit (0 dB)

= Fast blink (2 dB)

Fig u re 3-37 — Ad ju st t h e in p u t a u d io le ve l

If another input button is pressed and released, the level value for the current

input is saved and the level value for the newly selected input is displayed.

TPX 88 Matrix Sw itchers • Operation

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Op e ra t io n , co n t ’d

Press and release the I/ O button (figure 3-38).

Press the I/O button to exit

audio adjust mode.

I/O

1 2 3 4 5 6 7 8

VIDEO

AUDIO

1 2 3 4 5 6 7 8

All input and output buttons return to unlit or background illumination.

The Audio LED goes out.

Fig u re 3-38 — De se le ct a u d io m o d e

Vie w in g a n d a d ju st in g t h e o u t p u t vo lu m e (TPX 88 A o n ly)

On the TPX 88 A, the audio level of each local output (the output on the captive

screw connectors) can be displayed and adjusted through a range of 100% (no

attenuation) to 0% (full attenuation). The audio level can be adjusted from the front

panel or under RS-232/ RS-422 control.

The volume adjustment does not affect the audio portion of the twisted pair

link output on RJ-45 connectors.

The output level adjustment will not work for a local output that is muted. If

one or more local outputs are muted, press the Mute All button once or twice

as necessary to turn off the Mute All LED.

Press the Esc button to clear any input buttons, output buttons, or control

buttons that may be lit.

Press and hold the I/ O button until the Audio LED begins to blink, then

release the I/ O button.

Press and release an output button to select an output. The input buttons

display the volume level for the selected output. Each unlit or background

illuminated input button indicates approximately 7 dB of volume attenuation

(whether there is an input associated with the button or not). There are eight

steps displayed, from full attenuation applied (no input buttons lit, or 50 dB

of attenuation) to the full volume output (all input buttons lit, or output

volume equal to the input signal plus any gain or attenuation).

Another way to view the volume level is to realize that each lit input button

indicates up to 14 percent of the input volume is applied to the output. When

all 8 input buttons are lit, the switcher is outputting 100% of the audio input.

Rotate the Volume knob to increase and decrease the audio volume.

Press and release the I/ O button to exit the audio display and adjustment

mode. The Audio LED stops blinking.

•

There is one audio volume level setting per output. The audio level setting

is shared by the left and right audio inputs.

•

The audio volume levels are stored in non-volatile memory. When power

is removed and restored, the audio level settings are retained.

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Exa m p le 8: Vie w in g a n d a d ju st in g a n o u t p u t vo lu m e le ve l

The following steps show an example in which the audio output volume is viewed

and adjusted. Where an explanation is helpful, the steps show the front panel

indications that result from your action.

The output level adjustment will not work for a local output that is muted. If

one or more local outputs are muted, press the Mute All button once or twice

as necessary to turn off the Mute All LED.

Press and release the Esc button.

Press and hold the I/ O button for approximately 2 seconds (figure 3-39).

Press and hold the button.

I/O

VIDEO

AUDIO

VIDEO

AUDIO

2 seconds

= Blinking LED

Fig u re 3-39 — Se le ct a u d io vie w a n d a d ju st m o d e

Press and release the output 7 button (figure 3-40).

The input buttons display the selected output's audio volume level.

Each lit input button indicates up to 14 percent of the total input volume is applied to the output. Each

unlit or background illuminated input button indicates 1 dB to 7 dB of attenuation is applied to the output.

In this example, the green input buttons indicate that the switcher is outputting approximately 28 percent

of the applied audio input. The unlit input buttons indicate an audio volume attenuation of

approximately 42 dB.

14%

28%

1 2 3 4 5 6 7 8

Press and release the output 1 button.

The button lights to indicate that the output 1 audio is selected.

= Lit

(up to 14% of input signal output)

= Unlit

(up to 7 dB of attenuation)

Fig u re 3-40 — Se le ct a n o u t p u t

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Op e ra t io n , co n t ’d

Slowly rotate the volume knob clockwise (figure 3-41). Note the output

button indication changes that occur as you rotate the knob.

Turn the volume knob slowly. The encoder will not reliably recognize the

level change if you turn the knob too quickly.

Figure 3-41 shows the result of increasing the audio volume level by a total of

up to 56 percent.

The input buttons display the selected output's audio volume level.

Each lit input button indicates up to 14 percent of the total input volume is applied to the output. Each unlit

or background illuminated input button indicates 1 dB to 7 dB of attenuation is applied to the output.

In this example, the green input buttons indicate that the switcher is outputting approximately 84 percent of

the applied audio input. The unlit input buttons indicate an audio volume attenuation of approximately

14 dB.

14%

28%

42%

56%

70%

84%

Rotate the volume knob.

1 2 3 4 5 6 7 8

VOLUME

= Lit

(up to 14% of input signal output)

= Unlit

(up to 7 dB of attenuation)

Fig u re 3-41 — Ad ju st t h e o u t p u t a u d io vo lu m e

Press and release the Audio button (figure 3-42).

Press the I/O button to exit

audio adjust mode.

I/O

1 2 3 4 5 6 7 8

VIDEO

AUDIO

1 2 3 4 5 6 7 8

All input and output buttons return to unlit or background illumination.

The Audio LED goes out.

Fig u re 3-42 — De se le ct a u d io m o d e

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Mu t in g a n d u n m u t in g t h e lo ca l a u d io (TPX 88 A o n ly)

You can mute all local audio (captive screw connector) outputs from the front

panel. Mute or unmute the audio outputs by pressing and releasing the Mute All

button (figure 3-43).

Press the button to toggle audio

mute on or off for all outputs.

The Mute LED lights when audio is muted.

The Mute LED is unlit when audio is unmuted.

MUTE ALL

Fig u re 3-43 — Mu t in g a n d u n m u t in g o u t p u t s

The mute all function is saved to non-volatile memory. When you cycle power,

muted outputs remain muted.

Individual audio outputs can be muted under RS-232/RS-422 control only.

See chapter 4, Programmer’s Guide, and chapter 5, Matrix Software, for

details.

Fro n t p a n e l se cu rit y lo cko u t (e xe cu t ive m o d e )

The front panel security lockout limits the operation of the TPX matrix switcher

from the front panel. When the switcher is locked, all of the front panel functions

are disabled except for the view-only mode functions. See Viewing a configuration

on page 3-13. Other than in view-only mode, if the user pushes a front panel

button when the switcher is locked, the button blinks twice and the switcher does

not otherwise respond to the user’s front panel operations.

To toggle the front panel lock on or off, press and hold the Enter and Esc buttons

for approximately three seconds (figure 3-44). The Enter LED blinks to indicate the

lock’s state change. Release the Enter and Esc buttons. To toggle the front panel

lock state again, press and hold the Enter and Esc buttons again.

Press and hold the Enter and

Esc buttons simultaneously to

toggle the front panel lock on or

off.

ENTER

ESC

3 seconds

The Enter LED blinks to

indicate the state change.

Release the buttons.

ENTER

ESC

= Blinking LED

Fig u re 3-44 — To g g le t h e fro n t p a n e l lo ck o n o r o ff

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Op e ra t io n , co n t ’d

Syst e m re se t t o fa ct o ry d e fa u lt s

To reset the switcher to the factory default settings, press and hold the Esc button

on the front panel while AC power is being applied (figure 3-45). System reset

clears all ties and presets and resets all I/ O grouping. On the TPX 88 A, system

reset also sets all input audio levels to unity gain (+0 dB).

Press and hold the Esc button while

you apply power to the switcher.

ESC

Power

The switcher cycles the input and output button

indicators green from left to right, amber from right to left, and red from

left to right and then turns them off.

Continue to hold the Esc button until all input and output buttons return to

either unlit or to background illumination and the Video and Audio LEDs

turn on. Release the Esc button.

ESC

Fig u re 3-45 — Syst e m re se t

Ba ckg ro u n d illu m in a t io n

The buttons on the front panel can be set to provide amber background

illumination at all times or the background illumination can be turned off. To

toggle the background illumination on or off, press and hold the Input 1 and

Input 2 buttons for approximately half a second (figure 3-46).

Press and hold the Input 1 and Input 2

buttons simultaneously to toggle

background illumination mode on or off.

1 2

Half second

Release the Input 1

and Input 2 buttons.

1 2

Fig u re 3-46 — To g g le b a ckg ro u n d illu m in a t io n o n o r o ff

When background illumination is on, the button indicators may momentarily

go out intermittently when you are performing front panel operations. This

happens when the switcher is accessing its flash memory and is normal.

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Tro u b le sh o o t in g

This section gives recommendations on what to do if you have problems operating

the TPX switcher.

Ensure that all devices are plugged in and powered on. The switcher is

receiving power if one of the input LEDs is lit.

Ensure an active input is selected for output on the switcher.

Ensure that the proper signal format is supplied.

Check the cabling and make corrections as necessary.

Call the Extron S³Sales & Technical Support Hotline if necessary.

Wo rksh e e t s

Rather than trying to remember the configuration for each preset, use worksheets

to record this information. Make copies of the blank worksheet on page 3-31 and

use one for each preset configuration. Cross out all unused or inactive inputs and

outputs. If applicable, use different colors for video and audio.

Wo rksh e e t e xa m p le 1: Syst e m e q u ip m e n t

Figure 3-47 shows a worksheet for a TPX 88 A in a fictional organization. System

hardware is annotated. Input 6 has no connection, so it has been crossed out.

Inputs include PCs, a CD player, cameras, and a VTG 300, all connected through TP

transmitters. Output devices include monitors, front and rear projectors, a stereo,

and a VCR for recording presentations, all connected through TP receivers.

The Extron VTG 300 video test generator connected to input 8 enables a video test

pattern to be sent to one, several, or all output devices for problem isolation or

adjustment purposes. An audio test tape or CD could be used in a similar manner

to check out the audio components.

Input sources

Camera

main

Classroom

#2 VCR

Camera Podium Laptop

Audio

VTG 300

Mic

USP 405

podium

(DVS 406)

Main

Hall

Main

Hall

Podium

monitor

Conf.

room

Sound

VCR

Lobby

system (USP 405)

monitor

PJ#1

PJ#2

Output destinations

Worksheet Example

Fig u re 3-47 — Wo rksh e e t e xa m p le 1: Syst e m e q u ip m e n t

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Op e ra t io n , co n t ’d

Wo rksh e e t e xa m p le 2: Da ily co n fig u ra t io n

Figure 3-48 continues from worksheet example 1 by showing the video and audio

ties that make up the configuration of preset 1; a solid ink line shows video ties and

a dashed pencil line shows the audio ties. In this example, the image of the

presenter, from the main podium camera (input 1), is displayed in the main hall

(output 1), to the overflow crowd in the conference room (output 4), and in the

lobby (output 8). The image is also tied to the VCR (output 6). The presenter has a

presentation on her laptop computer (input 4) that is scan converted and displayed

in the main hall (output 2) and locally on the podium (output 3). The audio from

her microphone (input 3) is played in the hall (output 1), in the conference room

(output 4), and sent to the VCR. Classical music from the CD player (input 5) is

being played in the background in the main hall on sound system #2 (output 5),

and in the lobby (output 8).

Camera

main

Classroom

#2 VCR

Camera Podium

Audio

Laptop

VTG 300

Mic

USP 405

podium

(DVS 406)

Main

Hall

Main

Hall

Podium

monitor

Conf.

room

Sound

VCR

Lobby

system (USP 405)

monitor

PJ#1

PJ#2

Output destinations

Worksheet Example

Fig u re 3-48 — Wo rksh e e t e xa m p le 2: Da ily co n fig u ra t io n

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Wo rksh e e t e xa m p le 3: Te st co n fig u ra t io n

The A/ V system in our fictional organization needs to be fine tuned on a regular

basis. Figure 3-49 shows a typical test configuration, with an Extron video test

generator (input 8) generating a test pattern to all monitors (outputs 1, 2, 3, 4, and

8). Sound checks are run from the CD player (input 5) to all audio systems (outputs

1, 2, 4, 5, and 8).

Input sources

Camera

main

Classroom

#2 VCR

Camera Podium Laptop

Audio

VTG 300

Mic

USP 405

podium

(DVS 406)

Main

Hall

Main

Hall

Podium

monitor

Conf.

room

Sound

VCR

Lobby

system (USP 405)

monitor

PJ#1

PJ#2

Output destinations

Worksheet Example

Fig u re 3-49 — Wo rksh e e t e xa m p le 3: Te st co n fig u ra t io n

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Op e ra t io n , co n t ’d

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TPX 88 Matrix Sw itchers • Operation

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Op e ra t io n , co n t ’d

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TPX 88 Tw isted Pair Matrix Sw itchers

Chapter Four

Program m er’s Guide

Host-to-Switcher Instructions

Switcher-Initiated Messages

Switcher Error Responses

Using the Command/Response Table

Command/Response Table for SIS Commands

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Pro g ra m m e r’s Gu id e , co n t ’d

Pro g ra m m e r’s Gu id e

The switcher’s rear panel 3.5 mm, 5-pole captive screw connector (figure 4-1) can

be connected to the RS-232 or RS-422 serial port output of a host device such as a

computer running the HyperTerminal utility, an RS-232 capable PDA, or a control

system. This connection makes software control of the switcher possible.

Pin RS-232 Function

Gnd Gnd Signal ground Gnd Signal ground

TX- Not used

TX- Transmit data (-)

TX+ TX+ Transmit data TX+ Transmit data (+)

RS-422 Function

—

RX-

—

Not used

RX- Receive data (-)

RX+ Receive data (+)

RX+ RX+ Receive data

RS-232

RS-422

Settings

RS-422

Fig u re 4-1 — Re m o t e co n n e ct o r p in a rra n g e m e n t

The TPX switcher can communicate using either the RS-232 or RS-422 serial

communication protocol. The protocol is DIP-switch selectable. See chapter 2,

Installation, to configure the DIP switches.

The protocol is 9600 baud, 8-bit, 1 stop bit, no parity, and no flow control.

Ho st -t o -Sw it ch e r In st ru ct io n s

The switcher accepts SIS (Simple Instruction Set) commands through the

RS-232/ RS-422 port. SIS commands consist of one or more characters per

command field. They do not require any special characters to begin or end the

command character sequence. Each switcher response to an SIS command ends

with a carriage return and a line feed (CR/ LF = ), which signals the end of the

response character string. A string is one or more characters.

Sw it ch e r-In it ia t e d Me ssa g e s

When a local event such as a front panel operation occurs, the switcher responds

by sending a message to the host. The switcher-initiated messages are listed below

(underlined).

The switcher initiates the copyright message when it is first powered on. Vx.xx is

the firmware version number.

Qik

The switcher initiates the Qik message when a front panel switching operation has

occurred.

Rprnn

The switcher initiates the Rpr message when a memory preset has been recalled

from the front panel. “nn” is the preset number.

Sprnn

The switcher initiates the Spr message when a memory preset has been saved from

the front panel. “nn” is the preset number.

Innn Audxx

The switcher initiates the Aud message when a front panel audio level operation

has occurred. “nn” is the input number and “xx” is the dB level.

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Outnn Volxx

The switcher initiates the Aud message when a front panel audio volume level

operation has occurred. “nn” is the output number and “xx” is the volume level.

Exen

The switcher initiates the Exe message when executive mode is toggled on or off

from the front panel. “n” is the executive mode status: 1 = on, 0 = off.

Amtn

The switcher initiates the Amt message when audio mute is toggled on or off for all

local audio outputs from the front panel. “n” is the mute status: 1 = on (muted),

0 = off (unmuted).

Sw it ch e r Erro r Re sp o n se s

When the switcher receives an SIS command and determines that it is valid, it

performs the command and sends a response to the host device. If the switcher is

unable to perform the command because the command is invalid or contains

invalid parameters, the switcher returns an error response to the host. The error

response codes are:

E01 — Invalid input channel number (too large)

E10 — Invalid command

E11 — Invalid preset number (too large)

E12 — Invalid output number (too large)

E13 — Invalid value (out of range)

E14 — Illegal command for this configuration

E17 — Timeout (only caused by direct write of global presets)

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Pro g ra m m e r’s Gu id e , co n t ’d

Usin g t h e Co m m a n d /Re sp o n se Ta b le

The command/ response table begins on page 4-5. Lower case letters are acceptable

in the command field except where indicated for the gain and attenuation

commands. The table below shows the hexadecimal equivalent of each ASCII

command.

ASCII to HEX Conversion Table

Space

Symbols are used throughout the table to represent variables in the command/

response fields. Command and response examples are shown throughout the table.

Sym b o l De fin it io n s:

= Carriage return/ line feed

= Carriage return (no line feed)

= Space

•

Input and output numbers in commands may be entered as either 1-digit, 2-digit, or 3-digit

numbers. All input and output numbers are reported as 2-digit numbers in the response.

= Input number

01 – 08

X10

X11

= Input number (for tie)

= Output number

00 – 08 (0=disconnected)

01 – 08

= Numeric dB value

= Audio gain

-18 to +24 (43 steps of gain or attenuation)

0 – 24 (1 dB/ step)

= Audio attenuation

= Volume adjustment range

= Mute, executive mode

= Group # (for I/ O grouping)

= Global preset #

1 – 18 (1 dB/ step)

0% to 100%

0 = off, 1 = on

1 through 4 groups (0 = no group)

16 maximum (0 = current configuration)

= Video/ audio mute:

0 = no mutes

2 = audio mute

X12

= Controller firmware version number to second decimal place

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Co m m a n d /Re sp o n se Ta b le fo r SIS Co m m a n d s

Co m m a n d

Cre a t e t ie s

ASCII Com m and Re sp o n se

Ad d it io n a l d e scrip t io n

(h o st t o sw it ch e r)

(sw it ch e r t o h o st )

1. Commands can be made back-to-back, with no spaces. For example:

1*1!02*02&003*003%4*6$.

2. The quick multiple tie and tie input to all output commands activate all I/O switches

simultaneously.

3. The TPX supports 1-, 2-, and 3-digit numeric entries (1*1!, 02*02!, or 001*001!).

X2 X3

Tie input

to output

, video (V)

Out • In • All

Tie input

to output

’s video and audio

and audio (A)

Example:

1*3!

Out03 • In01• All

Tie input 1 V & A to output 3.

Audio breakaway.

Tie input

to output

, video only

* ^X3

Out • In Vid

Example (see Note):

8*4&

Out04• In08• Vid

Tie input 8 video to output 4.

Audio breakaway.

X2 X3

Tie input

to output

Out • In • Vid

Example (see Note):

7*5%

Out05• In07• Vid

Tie input 7 video to output 5.

The & tie command and the % tie command can be used interchangeably for video on the TPX

switcher.

X2 X3

Tie input

to output

, audio only

Out • In • Aud

Audio breakaway.

Example:

6*7$

Out07• In06• Aud

Tie input 6 audio to output 7.

Esc

X2 X3

Quick multiple tie

Example:

…

Qik

Esc

+Q3*4!3*5!3*6!

Tie input 3 to outputs 4, 5, and 6.

Tie input to all outputs, V & A

Example:

In • All

5*!

In05• All

Tie input 5 video and audio to all

outputs.

Tie input to all outputs, video only

Example (see Note):

In • Vid

8*&

In08• Vid

Tie input 8 video to all outputs.

Tie input to all outputs, video only

Example (see Note) :

In • Vid

4*%

In04• Vid

Tie input 4 video to all outputs.

The & tie all command and the % tie all command can be used interchangeably for video on the

TPX switcher.

Tie input to all outputs, audio only

Example:

In • Aud

1*$

In 01• Aud

Tie input 1 audio to all outputs.

Re a d t ie s

Read video output tie

Example:

Video input

tied to output

Video input 1 tied to output 3.

Read video output tie

Example:

Video input

tied to output

Video input 4 tied to output 5.

The & read tie command and the % read tie command can be used interchangeably for video on

the TPX switcher.

Read audio output tie

Example:

Audio input

tied to output

Video input 7 tied to output 7.

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Pro g ra m m e r’s Gu id e , co n t ’d

Co m m a n d /re sp o n se t a b le fo r SIS co m m a n d s (Co n t ’d )

Co m m a n d

ASCII Com m and Re sp o n se

Ad d it io n a l d e scrip t io n

(h o st t o sw it ch e r)

(sw it ch e r t o h o st )

Au d io in p u t g a in a n d a t t e n u a t io n

The set gain (G) and attenuation (g) commands are case sensitive.

X1 X5

Set audio input gain to +dB value

Example:

In • Aud

1*2G

In01• Aud+02

Set input 1 audio level to +2 dB

gain.

X1 X6

Set audio input attenuation to -dB value

Example:

In • Aud

3*5g

In03• Aud-05

Set input 3 audio level to -5 dB

attenuation.

Increment gain

In • Aud

Increase gain by 1 dB.

Example:

5+G

In05• Aud+03

Audio input 5 level incremented

from +2 dB to +3 dB.

Decrement gain

-G

In • Aud

Decrease gain by 1 dB.

Example:

7-G

In07• Aud-09

Audio input 7 level decremented

from -8 dB to -9 dB.

Read input gain

Example:

+11

Input 2 audio level is +11 dB

gain.

Au d io o u t p u t vo lu m e

The adjustment range is between 0 and 100% audio output volume in 1 dB steps of attenuation.

Each 1 dB equals approximately a 2% reduction in audio output volume.

X3 X7

Set audio volume to % of max. value

Example:

Out • Vol

1*50v

Out01• Vol50

Set output 1 volume to 50%.

Odd-numbered

values are rounded up to even-numbered values.

Increase volume

Out • Vol

Increase volume by 2%.

Example:

1+V

Out01• Vol52

Audio output 1 level

incremented from 50% to 52%.

Decrease volume

-V

Out • Vol

Decrease volume by 2%.

Example:

1-V

Out01• Vol50

Audio output 1 level

incremented from 52% to 50%.

Read output volume

Example:

Vol50

Audio output 1 level is 50%.

Au d io m u t e co m m a n d s

Audio mute

*1Z

Amt *1

Mute output

off).

audio (audio

Example:

3*1Z

Amt03

Mute output 3 audio.

Audio unmute

*0Z

Amt *0

Unmute output

on).

audio (audio

Read audio mute

1= mute on, 0 = mute off.

Global audio mute

1*Z

Amt1

Mute all audio outputs. The

front panel Mute All LED lights.

Global audio unmute

0*Z

Amt0

Unmute all audio outputs. The

front panel Mute All LED goes

out.

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Co m m a n d /re sp o n se t a b le fo r SIS co m m a n d s (Co n t ’d )

Co m m a n d

ASCII Com m and Re sp o n se

Ad d it io n a l d e scrip t io n

(h o st t o sw it ch e r)

(sw it ch e r t o h o st )

I/O Gro u p in g

The group that is assigned ( ) must be 0 (not grouped), 1, 2, 3, or 4.

Esc X9 X9

Write input grouping

Example:

…

GrI

Each

entry is the group

number assigned to an input

position, starting from input 1.

Esc

I40234133

GrI

Input 1 - Group 4, Input 2 - Group

0 (not grouped),…Input 7 -

Group 3, Input 8 - Group 3.

Esc

X9 X9

Write output grouping

…

GrO

Each

entry is the group

number assigned to an output

position, starting from output 1.

Esc

X9 X9 X9

Read input grouping

…

One

entry for each input,

starting from input 1.

Example:

See below

Input 5 in group 3

Input 1 in group 1

Response = group:

Input 8 not grouped

Input: 01 02 03 04 05 06 07 08

Esc

X9 X9 X9

Read output grouping

…

One

entry for each output,

starting from input 1.

Sa ve , re ca ll a n d d ire ct w rit e g lo b a l p re se t s

If the user tries to recall a preset that is not saved, the matrix switcher responds with the error

code E11.

X10

Save current ties as a global preset

Example:

Spr

Command character is a comma.

Save current ties as preset 9.

⁹,

Spr09

X10

Recall a global preset

Example:

Rpr

Command character is a period.

Rpr05

Recall preset 5, which becomes

the current configuration.

Esc X10 X2 X3 X2 X3

X2 X3

Direct write a global preset

$…

Enter as many ties as are valid

for this model. Tie all (!), tie

RGBHV (&), tie video (%), and

tie audio ($) commands are all

valid.

X10

Spr

Esc

Example:

Brackets are shown to separate

ties for clarity only. Create global

preset 15, which ties video and

audio input 8 to output 5,

+15P08*5!5*2%3*3$3*8&

Spr15

RGBHV input 5 to output 2,

video input 3 to output 3, and

audio input 3 to output 8.

Exe cu t ive m o d e

Lock front panel

Exe1

Exe0

Enable executive mode.

Disable executive mode.

Unlock front panel

View executive mode

Re se t s

Esc

Reset global presets and names

Reset an individual global preset

Reset audio input levels

Zpg

Clear all global presets.

Esc X10

X10

Zpg

Zpa

Clear global preset

Esc

Reset all audio input levels (gain

and attenuation) to 0 dB.

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Pro g ra m m e r’s Gu id e , co n t ’d

Co m m a n d /re sp o n se t a b le fo r SIS co m m a n d s (Co n t ’d )

Co m m a n d

ASCII Com m and Re sp o n se

Ad d it io n a l d e scrip t io n

(h o st t o sw it ch e r)

(sw it ch e r t o h o st )

Re se t s (co n t in u e d )

Esc

Reset audio output levels

Zpv

Reset all audio output levels

(volume) to 100% (no attenuation).

Esc

Reset all mutes

Zpz

Zpx

Reset all audio mutes.

Esc

Reset whole switcher

ZXXX

Clears all ties and presets, resets

all audio gains to 0 dB, and resets

volume to 100%.

Vie w t ie s, g a in , vo lu m e , a n d p re se t s

View video output tie

Example:

Input 7 video tied to output 5.

Input 2 video tied to output 7.

View video output tie

Example:

The & read tie command and the % read tie command can be used interchangeably for video on

the TPX switcher.

View audio output tie

Example:

Input 6 audio tied to output 3.

Gain for input #4 is -2 dB.

View input gain

Example:

-02

View output volume

Example:

Volume for output #7 is 55%.

•

X11

Esc

X11 X11

X11

View output mutes

...

Mut

Each

response is the mute

status of an output, starting from

output 1..

Esc

Example:

•

Mut

Output 5 audio is muted. All

other outputs are unmuted.

Esc X10

View global preset configuration

•

• Vid•

•

• ...•

• Aud

X10

Show preset

’s configuration.

Show the video input tied to

each output and then the audio

input tied to each output.

Response description: input # (I#) tied to output # (O#1)• I# tied to O#2...I# tied to O#8• Vid• I# tied to O#1• ...I# tied to O#8• Aud

Esc

Example:

4VC

input 6 video tied to output 2 no tied video input

Response = tied input: 03• 06• 03• 04• 04• 02• 02• 00• Vid• 03• 06• 03• 08• 08• 04• 04• 00• Aud

Output:

audio input 8 tied to output 5

Each position shown in the response is an output: left = output 1, right= output 8. The number in each position is the

input that is tied to that output.

Video — Input 2 is tied to outputs 6 and 7, input 3 is tied to outputs 1 and 3, input 4 is tied to outputs 4 and 5, input 6 is

tied to output 2. No input is tied to output 8.

Audio — Input 3 is tied to outputs 1 and 3, input 4 is tied to outputs 6 and 7, input 3 is tied to output 2, and input 8 is tied

to outputs 4 and 5. No input is tied to output 8.

In fo rm a t io n re q u e st s

X2 X3

Information request

• A

= V size, A

= A Size.

Example:

V08X08• A08X08

8 video and 8 audio inputs by 8

video and 8 audio outputs

(TPX 88 A).

Request part number

Example:

xx-xxx-xx

60-542-01

X12

See appendix A for part #s.

TPX 88 A part # is 60-542-01.

Query firmware version

Example:

1.23

The installed firmware version is

1.23 (sample value only).

4-8

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TPX 88 Tw isted Pair Matrix Sw itchers

Chapter Five

Matrix Softw are

Matrix Switchers Control Program

Button-Label Generator

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Ma t rix So ft w a re , co n t ’d

Ma t rix So ft w a re

Two software programs accompany the TPX 88 switchers:

•

The Extron Matrix Switcher+ Control Program (Extron part #29-015-01),

which communicates with the switcher via the RS-232/ RS-422 port, provides

an easy way for you to set up ties and sets of ties.

The TPX switcher can communicate using either the RS-232 or RS-422 serial

communication protocol. The protocol is DIP-switch selectable. See chapter 2,

Installation, to configure the DIP switches.

•

The Extron Button-Label Generator, which allows you to design and print

labels for the TPX switcher’s front panel buttons.

Both programs are compatible with Windows 95/ 98, Windows NT, Windows ME,

and Windows 2000. Updates to these programs can be downloaded from the

Extron Web site (http:/ / www.extron.com).

Ma t rix Sw it ch e rs Co n t ro l Pro g ra m

In st a llin g t h e so ft w a re

The program is contained on a set of 3.5-inch diskettes, and you should load and

run the program from the hard drive.

To install the program from the floppy disk to the hard drive, run Setup.exe from

the floppy disk and follow the instructions that appear on the screen. The program

occupies approximately 1 MB (megabyte) of hard-drive space.

By default, the Windows installation creates a C:\ MTRX50 directory, and it places

two icons (MATRIX Switcher+ Control Program and MATRIX Switcher+ Help) into

a group or folder named “Extron Electronics”.

The program was designed to control most Extron matrix switchers, but its

operation is limited to the features and configuration of your TPX switcher.

Usin g t h e so ft w a re

This section is an overview of the Extron Matrix Switcher+ Control Program. The

help function contains additional information. See Using the help system on page 5-7

for details.

To run the Matrix Switcher+ Control Program, double-click on the Matrix

Switcher+ Control Program icon (shown at left) in the

Extron Electronics group or folder.

Click on the comm port that is connected to the RS-232/ RS-422 port of the

switcher. To set up the software without attaching the switcher to the

computer, see Using emulation mode on page 5-7.

The Extron Matrix Switcher+ Control Program window (figure 5-1 and

figure 5-2) displays the current configuration of the attached matrix.

To set up audio in follow mode (audio and video have the same tie

configuration), select the Follow box at the bottom of the window. To set up

audio in breakaway mode (audio and video have different tie configurations),

deselect the Follow box.

5-2

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Figure 5-1 — Extron Matrix Sw itcher+ Control Program w indow (blank)

Fig u re 5-2 — Sa m p le p ro g ra m w in d o w (co m p le t e )

To make the control program easier to use, assign a device icon to each input

and output. Click on a box that represents an input or output, and drag the

desired icon onto the box from the icon palette that appears.

To create a tie, drag an input box to one or more output boxes. To remove a

tie, drag the output box to its tied input box.

TPX 88 Matrix Sw itchers • Matrix Softw are

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Ma t rix So ft w a re , co n t ’d

Firm w a re u p g ra d e

The Matrix Switcher+ control program provides a way to replace the firmware that

is coded on the switcher’s control board.

Perform a firmware upgrade as follows:

Visit the Extron web site, www.extron.com, select the TPX product category,

and select the latest firmware file for download. Note the folder to which you

save the firmware file.

Connect the PC to the TPX switcher via the switcher’s RS-232/ RS-422 port.

Start the Matrix Switcher+ Control Program. See Using the software, steps 1

and 2, starting on page 5-2.

Click the mouse on Tools > Update Firmware. An open file window (figure 5-3)

appears.

Fig u re 5-3 — Op e n w in d o w

Navigate to the folder where you saved the firmware upgrade file. Select the

file.

Valid firmware upgrade files must have the file extension ‘.hex’. Any other file

extension is not a firmware upgrade.

Click the mouse on the Open button. A status window, which shows the

progress of the upload, appears. The file(s) upload to the TPX switcher may

take a few minutes.

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Win d o w s b u t t o n s, d ro p b o xe s, a n d t ra sh

The buttons, drop boxes, and trash can on the right side of the program window

perform the following functions:

Power — Unavailable for TPX switchers, because the switcher power

cannot be controlled via software.

Executive mode — Allows you to lock out front panel operations,

except for the view-only mode functions.

Presets menu — Displays a list of up to 16 global presets . You can

select a preset from the list to display it in the window and

either activate it (Go) or delete it (Delete).

Go — Activates the selected preset as the current configuration.

Save as — Allows the current set of ties to be saved as a preset. Enter

the preset number when prompted to do so.

Changes – Take — Allows you to save to file any changes made to

the displayed configuration.

Changes – Cancel — Returns to the previous screen, undoing any

changes you have made.

Trash can — Drag and drop from an input or output button to the

trash can to unmake all ties associated with that input or output.

Win d o w s m e n u s

File m e n u

Save matrix settings as — Saves a complete set of up to 16 presets, plus the

last active setting (preset #0), to a file. Saved settings include audio gain

settings (if specified), assigned icons, and icon captions.

Restore matrix settings from — Loads and activates a previously saved

setting file.

Save this-session’s settings — Saves the current assigned icons and icon

captions.

Restore last-session’s settings — Loads the icons and icon captions that were

saved during the last session. If you saved the previous session’s

changes to disk the last time you exited the program, the ties from that

session are also loaded.

Select printer — Selects the target printer.

Print tie map — Prints the tie set that is displayed on the screen.

Exit — Closes the Extron MATRIX Switcher+ Control Program.

To o ls m e n u

Assign device icons — Displays the complete set of input and output device

icons. You can drag any of these icons to the input and output boxes.

Edit device palette — Allows you to add your own device icon graphics.

Audio-Input gain settings — Displays the audio gain level setting for a single

input or for all inputs and allows you to change it.

Audio-Output volume settings — Displays the audio output level setting for

a single input or for all inputs and allows you to change it. The level is

expressed as a percentage of the input audio volume that is applied to

the output; 0% is full attenuation (audio is silent), 100% is full volume.

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Ma t rix So ft w a re , co n t ’d

Mute-Output settings — Displays the audio output level setting for a single

input or for all inputs and allows you to change it. The level is

expressed as a percentage of the input audio volume that is applied to

the output; 0% is full attenuation (audio is silent), 100% is full volume.

Update firmware — Allows you to upload replacement firmware files to

upgrade the switcher ’s operating system. See Firmware upgrade, in this

chapter.

Name presets — Allows you to name each of the 16 memory presets.

Show RS-232 strings — Displays the ASCII commands that are used by the

current configuration. You can refer to these for RS-232 programming.

I/O group settings — Allows you to establish I/ O groups.

Initialize — Initializes and clears any or all of the following: ties, presets,

groups, audio configurations, preset titles, icon names, and icons.

Audio-config — Displays the audio gain level settings for each input and allows

you to change them.

Pre fe re n ce s m e n u

Immediate changes — Causes configuration changes to take effect

immediately.

Hold/verify changes — Delays implementation of configuration changes until

the Changes – Take button is pressed.

Ties as lines — Displays ties as lines (figure 5-2).

Ties as crosspoints — Displays ties as a grid of inputs and outputs

(figure 5-4). Made ties are indicated as blue boxes. New ties that will

take effect when you click the mouse on the Take button are indicated by

+. Ties that will be broken when you click the mouse on the Take button

are indicated by –.

Fig u re 5-4 — Tie s sh o w n a s cro ssp o in t s

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Limit ties to same group — Allows you to limit the creation of ties using the

program to within the same group (similar to front panel operation).

Icons in I/O boxes — Erases any numbers in the I/ O boxes in the

ties-as-lines window (figure 5-2). You can place icons in the

boxes.

Numbers in I/O boxes — Erases any icons in the I/ O boxes in the

ties-as-lines window and fills each box with the associated

input or output number.

Usin g e m u la t io n m o d e

Emulation mode allows you to set up the software without attaching the switcher

to the computer. To use emulation mode, do the following:

Double-click on the MATRIX Switcher+ Control Program icon in the Extron

Electronics group or folder.

Choose Emulate, and click OK.

Choose an emulation file to open, and click OK. The file DEMO.MTX

provides a sample of a completed matrix setup. Selecting the file NEW.INI or

clicking Cancel provides a blank setup to get you started.

Enter the file name under which you want to save any changes to the file, and

click OK.

Select the number of video boards, audio boards, and matrix model for which

you are preparing a configuration, and click OK.

Continue using the program as described in steps 3 through 5, beginning on

page 5-2.

Usin g t h e h e lp syst e m

For information about program features, you can access the help program in any of

the following ways:

• From the Extron Electronics program folder or group, double-

click on the MATRIX Switcher+ Control Help icon (shown

at right).

• From within the Matrix Switcher Control Program, click on the

Help menu on the main screen.

• From within the Matrix Switcher Control Program, press the F1 key.

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Ma t rix So ft w a re , co n t ’d

Bu t t o n -La b e l Ge n e ra t o r

The program is contained on the same set of 3.5-inch diskettes as the Matrix

Switcher+ Control Program and is installed automatically when you install that

program.

By default, the Windows installation goes in either the C:\ MTRX50 directory if it is

installed automatically with the Matrix Switcher+ Control Program or the

C:\ BUTTONS directory if it is installed as a stand-alone program. The Button-

Label Generator icon is placed in the “Extron Electronics” group or folder.

Usin g t h e so ft w a re

To run the Button-Label Generator program, double-click on

the Button-Label Generator icon (shown at right) in the Extron

Electronics group or folder, and click OK when prompted. The

Extron’s Button-Label Generator window appears (figure 5-5).

Fig u re 5-5 — Ext ro n ’s Bu t t o n -La b e l Ge n e ra t o r w in d o w

Under System selection, choose SGS 408 (this selection matches the button

size of the TPX 88).

Using normal Windows controls, you can create and print labels that can be

placed in the label windows on the front panel of the switcher.

For information about using the program, you can access the help program by

clicking on the Help menu on the main screen and choosing Show Help.

You can also see an example of a completed Extron’s Button-Label Generator

window by clicking on the Help menu on the main screen, choosing Show Help,

and clicking on the Load Demo button.

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TPX 88 Tw isted Pair Matrix Sw itchers

Appendix A

Reference Inform ation

Specifications

Part Numbers

Button Labels

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Re fe re n ce In fo rm a t io n , co n t ’d

Re fe re n ce In fo rm a t io n

Sp e cifica t io n s

Vid e o

Routing .......................................... 8 x 8 matrix

Gain ............................................... Unity

Crosstalk ....................................... -55 dB @ 10 MHz, -45 dB @ 30 MHz, -37 dB @ 100 MHz

Switching speed ........................... 200 ns (max.)

Vid e o in p u t fro m a n Ext ro n o r In lin e t ra n sm it t e r

Number/ signal type ................... 8 RGBHV, RGBS, RGsB, HDTV, component video, S-video, composite video

Connectors .................................... (8) 8-pin RJ-45 female

Vid e o o u t p u t t o a n Ext ro n o r In lin e re ce ive r

Number/ signal type ................... 8 RGBHV, RGBS, RGsB, HDTV, component video, S-video, composite video

Connectors .................................... (8) 8-pin RJ-45 female

Syn c

Input type ..................................... RGBHV, RGBS, RGsB

Output type .................................. RGBHV, RGBS, RGsB (follows input type)

Standards ...................................... NTSC 3.58, NTSC 4.43, PAL, SECAM

Input level ..................................... 0.5 V to 5.0 Vp-p, 4.0 Vp-p normal

Output level.................................. AGC to TTL: 4 to 5 Vp-p, unterminated

Au d io — TPX 88 A o n ly

Routing .......................................... 8 x 8 stereo matrix

Gain ............................................... Unbalanced output: -6 dB; balanced output: 0 dB

Frequency response ..................... 20 Hz to 20 kHz, ±0.05 dB

THD + Noise ................................ 0.03% @ 1 kHz at nominal level

S/ N ................................................ >90 dB, output 21 dBu balanced (unweighted)

Crosstalk ....................................... <-80 dB @ 1 kHz, fully loaded

Stereo channel separation .......... >-90 dB @ 1 kHz

CMRR ............................................ >75 dB @ 20 Hz to 20 kHz

Au d io in p u t — TPX 88 A o n ly

Number/ signal type ................... 8 stereo, balanced/ unbalanced

Connectors .................................... (8) 8-pin female RJ-45

Impedance .................................... >10k ohms balanced/ unbalanced, DC coupled

Nominal level ............................... Proprietary signal level

Maximum level ............................ Proprietary signal level

Input gain adjustment ................. -18 dB to +24 dB, adjustable per input by RS-232 or front panel

0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV 2 dBu

Au d io o u t p u t — TPX 88 A o n ly

Number/ signal type ................... 8 stereo, balanced/ unbalanced

Connectors .................................... (8) 3.5 mm captive screw connectors, 5 pole (for local audio output)

(1) 8-pin female RJ-45 connector

Impedance .................................... 50 ohms unbalanced, 100 ohms balanced

100 ohms for RJ-45 connectors

Gain ............................................... Selectable output level

Unbalanced -6 dB, balanced 0 dB

A-2

TPX 88 Matrix Sw itchers • Reference Information

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Gain error ...................................... ±0.1 dB channel to channel

Maximum level (Hi-Z) ................ >+21 dBu, balanced or unbalanced at 1%THD+N

Maximum level (600 ohm) ......... >+15 dBm, balanced or unbalanced at 1%THD+N

Co n t ro l/Re m o t e — sw it ch e r

Serial control port ........................ RS-232 or RS-422, 5-pole captive screw connector

Baud rate and protocol ............... 9600 baud, 8 data bits, 1 stop bit, no parity

Pin configurations

RS-232 ................................... 3 = TX, 5 = RX, 1= GND

RS-422 ................................... 2 = TX-, 3 = TX+, 4 = RX-, 5 = RX+, 1= GND

Program control ........................... Extron’s control program for Windows^®

Extron’s Simple Instruction Set (SIS^™)

Ge n e ra l

Power ............................................. 100 VAC to 240 VAC, 50/ 60 Hz, 25 watts, internal, autoswitchable

Temperature/ humidity .............. Storage -40° to +158°F (-40° to +70°C) / 10% to 90%, noncondensing

Operating +32° to +122°F (0° to +50°C) / 10% to 90%, noncondensing

Rack mount ................................... Yes, with optional brackets

Enclosure type .............................. Metal

Enclosure dimensions ................. 1.75" H x 17.5" W x 9.5" D (1U high, full rack wide)

4.4 cm H x 44.5 cm W x 24.1 cm D

(Depth excludes connectors and knobs.)

Product weight ............................. 3.5 lbs (1.6 kg)

Shipping weight ........................... 7 lbs (3.2 kg)

DIM weight .................................. 25

Vibration ....................................... ISTA 1A in carton (International Safe Transit Association)

Listings .......................................... UL, CUL

Compliances ................................. CE, FCC Class B, VCCI, AS/ NZS, ICES

MTBF ............................................. 30,000 hours

Warranty ....................................... 3 years parts and labor

All nominal levels are at ±10%.

Specifications are subject to change without notice.

TPX 88 Matrix Sw itchers • Reference Information

A-3

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Re fe re n ce In fo rm a t io n , co n t ’d

Pa rt Nu m b e rs

Tw ist e d Pa ir Ma t rix Sw it ch e r p a rt n u m b e rs

Mo d e l

Pa rt #

TPX 88 A

TPX 88

Rack/ desk mounting kit

Five-pole 3.5 mm captive screw connectors (9) (TPX 88 A only)

Matrix Switchers+ Control Program and Button-Label Generator

TPX 88 Matrix Switchers User’s Manual

60-542-01

60-542-02

70-077-03

10-319-10

Op t io n a l a cce sso rie s

Mo d e l

Pa rt #

MKP 1000

Gray

Black

White

MCP 1000M (master)

MCP 1000S (slave)

60-239-01

60-239-02

60-239-03

60-298-01

60-298-02

Ca b le s

Skew-Free™ A/V UTP cables are not recommended for Ethernet/LAN applications.

Ske w -Fre e A/V ca b le

3’ Skew-Free A/ V UTP

6’ Skew-Free A/ V UTP

12’ Skew-Free A/ V UTP

25’ Skew-Free A/ V UTP

35’ Skew-Free A/ V UTP

50’ Skew-Free A/ V UTP

75’ Skew-Free A/ V UTP

100’ Skew-Free A/ V UTP

150’ Skew-Free A/ V UTP

200’ Skew-Free A/ V UTP

250’ Skew-Free A/ V UTP

300’ Skew-Free A/ V UTP

Pa rt #

26-569-01

26-569-02

26-569-03

26-569-04

26-569-05

26-569-06

26-569-07

26-569-08

26-569-09

26-569-10

26-569-11

26-569-12

Ske w -Fre e A/V p le n u m ca b le

25’ Skew-Free Plenum

35’ Skew-Free Plenum

50’ Skew-Free Plenum

75’ Skew-Free Plenum

100’ Skew-Free Plenum

150’ Skew-Free Plenum

200’ Skew-Free Plenum

250’ Skew-Free Plenum

300’ Skew-Free Plenum

Pa rt #

26-570-04

26-570-05

26-570-06

26-570-07

26-570-08

26-570-09

26-570-10

26-570-11

26-570-12

Bu lk ca b le

Pa rt #

Skew-Free A/ V UTP 1000’ (Bulk) (non-plenum)

Skew-Free A/ V UTP 1000’ (Bulk) (plenum)

22-141-03

22-142-03

A-4

TPX 88 Matrix Sw itchers • Reference Information

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RJ-45 co n n e ct o rs

CAT 6 jack (black)

CAT 6 jack (red)

CAT 6 jack (blue)

CAT 6 jack (orange)

CAT 6 jack (gray)

CAT 6 jack (white)

CAT 6 jack (ivory)

Pa rt #

10-463-10

10-463-11

10-463-12

10-463-13

10-463-14

10-463-15

10-463-16

Ske w co m p e n sa t io n ca b le

Pa rt #

2' skew cable

Red

26-524-01

26-525-01

26-526-01

Green

Blue

4' skew cable

Red

26-524-02

26-525-02

26-526-02

Green

Blue

6' skew cable

Red

26-524-03

26-525-03

26-526-03

Green

Blue

8' skew cable

Red

26-524-04

26-525-04

26-526-04

Green

Blue

10' skew cable

Red

26-524-05

26-525-05

26-526-05

Green

Blue

12' skew cable

Red

26-524-06

26-525-06

26-526-06

Green

Blue

14' skew cable

Red

26-524-07

26-525-07

26-526-07

Green

Blue

16' skew cable

Red

26-524-08

26-525-08

26-526-08

Green

Blue

18' skew cable

Red

26-524-09

26-525-09

26-526-09

Green

Blue

20' skew cable

Red

26-524-10

26-525-10

26-526-10

Green

Blue

TPX 88 Matrix Sw itchers • Reference Information

A-5

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Re fe re n ce In fo rm a t io n , co n t ’d

Bu t t o n La b e ls

Figure A-1 provides blank button labels. If desired, photocopy them or cut them

out of the manual, write button information in each button area as desired, and put

them in the switcher’s input or output buttons’ windows.

In st a llin g la b e ls in t h e m a t rix sw it ch e r’s b u t t o n s

Use the following procedure to install new labels in the matrix switcher’s front

panel buttons.

Make new labels using either the blanks on page A-7 or

the Button-Label Generator software (see chapter 5,

Matrix Software). Cut them out.

Use notch to

remove button.

Remove the button from the switcher by grasping the

button firmly and pulling it away from the front

panel.

There are different button models available. Your

buttons may appear different.

Use an Extron Tweeker to gently lever the button

cap off of the white backing plate.

TEXT

Insert a button label into the cap and gently but

firmly press the cap onto the white backing plate.

Separate two

piece button here.

Press the button into place in the matrix switcher.

A-6

TPX 88 Matrix Sw itchers • Reference Information

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TPX 88 Matrix Sw itchers • Reference Information

A-7

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Re fe re n ce In fo rm a t io n , co n t ’d

A-8

TPX 88 Matrix Sw itchers • Reference Information

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