VSPX-HDMI1X4-TX VSPX-HDMI-CSRX
VSPX-HDMI-RX
MediaCento™ HX Transmitter and Receivers
Extend HDMI signals over CATx cable.
• VSPX-HDMI-RX works with a VSPX-HDMI1X4-TX to connect
an HD or 3D screen in a MediaCento HX deployment.
• VSPX-CSRX works with a VSPX-HDMI1X4-TX to connect
an HD or 3D screen and can be cascaded to a second display.
Customer Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S.
Support call 724-746-5500) • FREE technical support 24 hours a day, 7 days
Information a week: Call 724-746-5500 or fax 724-746-0746 • Mailing address:
Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
•
E-mail: [email protected]
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FCC and IC RFI Statements/NOM Statement
FEDERAL COMMUNICATIONS COMMISSION AND INDUSTRY
CANADA RADIO FREQUENCY INTERFERENCE STATEMENTS
This equipment generates, uses, and can radiate radio-frequency energy, and if
not installed and used properly, that is, in strict accordance with the
manufacturer’s instructions, may cause interference to radio communication.
It has been tested and found to comply with the limits for a Class A computing
device in accordance with the specifications in Subpart B of Part 15 of FCC
rules, which are designed to provide reasonable protection against such
interference when the equipment is operated in a commercial environment.
Operation of this equipment in a residential area is likely to cause interference,
in which case the user at his own expense will be required to take whatever
measures may be necessary to correct the interference.
Changes or modifications not expressly approved by the party responsible
for compliance could void the user’s authority to operate the equipment.
This digital apparatus does not exceed the Class A limits for radio noise
emission from digital apparatus set out in the Radio Interference Regulation
of Industry Canada.
Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant
les limites applicables aux appareils numériques de classe A prescrites dans le
Règlement sur le brouillage radioélectrique publié par Industrie Canada.
Normas Oficiales Mexicanas (NOM)
Electrical Safety Statement
INSTRUCCIONES DE SEGURIDAD
1. Todas las instrucciones de seguridad y operación deberán ser leídas antes
de que el aparato eléctrico sea operado.
2. Las instrucciones de seguridad y operación deberán ser guardadas para
referencia futura.
3. Todas las advertencias en el aparato eléctrico y en sus instrucciones de
operación deben ser respetadas.
4. Todas las instrucciones de operación y uso deben ser seguidas.
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NOM Statement
5. El aparato eléctrico no deberá ser usado cerca del agua—por ejemplo,
cerca de la tina de baño, lavabo, sótano mojado o cerca de una alberca,
etc.
6. El aparato eléctrico debe ser usado únicamente con carritos o pedestales
que sean recomendados por el fabricante.
7. El aparato eléctrico debe ser montado a la pared o al techo sólo como sea
recomendado por el fabricante.
8. Servicio—El usuario no debe intentar dar servicio al equipo eléctrico más
allá a lo descrito en las instrucciones de operación. Todo otro servicio
deberá ser referido a personal de servicio calificado.
9. El aparato eléctrico debe ser situado de tal manera que su posición no
interfiera su uso. La colocación del aparato eléctrico sobre una cama, sofá,
alfombra o superficie similar puede bloquea la ventilación, no se debe
colocar en libreros o gabinetes que impidan el flujo de aire por los orificios
de ventilación.
10. El equipo eléctrico deber ser situado fuera del alcance de fuentes de calor
como radiadores, registros de calor, estufas u otros aparatos (incluyendo
amplificadores) que producen calor.
11. El aparato eléctrico deberá ser connectado a una fuente de poder sólo
del tipo descrito en el instructivo de operación, o como se indique en el
aparato.
12. Precaución debe ser tomada de tal manera que la tierra fisica y la
polarización del equipo no sea eliminada.
13. Los cables de la fuente de poder deben ser guiados de tal manera que no
sean pisados ni pellizcados por objetos colocados sobre o contra ellos,
poniendo particular atención a los contactos y receptáculos donde salen
del aparato.
14. El equipo eléctrico debe ser limpiado únicamente de acuerdo a las
recomendaciones del fabricante.
15. En caso de existir, una antena externa deberá ser localizada lejos de las
lineas de energia.
16. El cable de corriente deberá ser desconectado del cuando el equipo no
sea usado por un largo periodo de tiempo.
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NOM Statement/Safety Notice
17. Cuidado debe ser tomado de tal manera que objectos liquidos no sean
derramados sobre la cubierta u orificios de ventilación.
18. Servicio por personal calificado deberá ser provisto cuando:
A: El cable de poder o el contacto ha sido dañado; u
B: Objectos han caído o líquido ha sido derramado dentro del aparato; o
C: El aparato ha sido expuesto a la lluvia; o
D: El aparato parece no operar normalmente o muestra un cambio en su
desempeño; o
E: El aparato ha sido tirado o su cubierta ha sido dañada.
Safety Notice
Please read and follow the safety instructions to protect yourself from possible
injury and to minimize the risk of damage to the units.
• Follow all instructions and warnings maked on the units.
• Do not attempt to service the units yourself, except where explained in this
manual.
• Provide proper ventilation and air circulation and do not use near water.
• Keep objects that might damage the device away, and make sure the
placement of the units are on stable surfaces.
• Use only the power adapter, power cords, and connection cables designed for
the units.
• Do not use liquid or aerosol cleaners to clean this unit. Always unplug the
power to the device before cleaning.
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Table of Contents
Table of Contents
1. Specifications...............................................................................................7
2. Overview
...............................................................................................9
2.1 Introduction .......................................................................................9
2.2 Features..............................................................................................9
2.2.1 VSPX-HDMI1X4-TX, VSPX-HDMI-RX, VSPX-HDMI-CSRX ....9
2.2.2 Additional Features for VSPX-HDMI1X4-TX........................10
2.2.3 Additional Features for VSPX-HDMI-RX..............................10
2.2.4 Additional Features for VSPX-HDMI-CSRX .........................10
2.3 What’s Included...............................................................................11
2.3.1 VSPX-HDMI1X4-TX..............................................................11
2.3.2 VSPX-HDMI-RX....................................................................11
2.3.3 VSPX-HDMI-CSRX...............................................................11
2.4 Hardware Description......................................................................11
2.4.1 1X4 Transmitter (VSPX-HDMI1X4-TX).................................11
2.4.2 Receiver (VSPX-HDMI-RX)...................................................14
2.4.3 Cascadable Receiver (VSPX-HDMI-CSRX)...........................16
2.5 Application Diagrams.......................................................................18
3. Configuration............................................................................................21
3.1 Switch Settings on the Transmitter..................................................21
3.2 EDID Learning ..................................................................................22
4. Installation .............................................................................................23
5. Pin Definitions ...........................................................................................24
5.1 HDMI .............................................................................................24
5.2 RJ-45/CATx ......................................................................................25
6. Performance Guide for HDMI Over Category 5/6 Cable Transmission....26
7. Troubleshooting ........................................................................................27
7.1 Contacting Black Box.......................................................................27
7.2 Shipping and Packaging...................................................................27
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Chapter 1: Specifications
1. Specifications
Audio Support — Surround sound (up to 7.1ch) or stereo digital audio
Equalization — VSPX-HDMI1X4-TX: Built-in;
VSPX-HDMI-CSRX: 8-level digital output signal equalization
ESD Protection — (1) human body model: ±19 kV (air-gap discharge)
and ±12 kV (contact discharge);
(2) core chipset: ±8 kV
HDCP Compliance — Yes
HDMI Compliance — HDMI deep color and 3D
Housing — Metal enclosure
Input DDC Signal — 5 Volts (peak-to-peak, TTL)
Input TMDS Signal — VSPX-HDMI1X4-TX: 1.1 Volts (peak-to-peak);
VSPX-HDMI-RX, VSPX-HDMI-CSRX: 1.2 Volts (peak-to-peak)
Mounting — Wallmounting ears with screws
PCB Stack-up — 4-layer board (impedance control: differential 100 ohms,
single 50 ohms)
Role — VSPX-HDMI1X4-TX: Transmitter;
VSPX-HDMI-RX: Receiver;
VSPX-HDMI-CSRX: Cascadable receiver
Transmission Over UTP (24-bit color) — VSPX-HDMI1X4-TX,
VSPX-HDMI-CSRX: Full HD (1080p): 130 ft. (40 m) over CATx cable;
HD (720p/1080i): 200 ft. (60 m) over CATx cable
Video Bandwidth — Single-link 225 MHz (6.75 Gbps)
Video Support — 480i/480p/720p/1080i/1080p up to 36-bit color
User Controls — VSPX-HDMI1X4-TX: (4) DIP switches for EDID control;
VSPX-HDMI-RX: (1) 8-level digital HDMI signal equalization rotary control
switch;
VSPX-HDMI-CSRX: 16-level HDMI signal equalization and audio rotary
control
Connectors — VSPX-HDMI1X4-TX: Input: (1) HDMI,
Output: (4) RJ-45, (1) HDMI;
VSPX-HDMI-RX: Input: (1) RJ-45 with (2) LED indicators ([1] Power, [1] Link),
Output: (1) HDMI Type A (19-pin female);
VSPX-HDMI-CSRX: Input: (1) HDMI Type A (19-pin female),
Output: (1) HDMI, (1) RJ-45 with (2) LED indicators ([1] Power, [1] Link),
(1) 3.5-mm audio earphone jack for stereo audio (2-channel PCM
only)
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Chapter 1: Specifications
Indicators — VSPX-HDMI1X4-TX: (2) LEDs: (1) RED Power, (1) GREEN Signal;
VSPX-HDMI-RX: (2) RJ-45 LEDs: Power;
VSPX-HDMI-CSRX: (6) LEDs: (1) RED Power, (1) GREEN HDMI/DVI, (2) RJ-45
Signal in status, (2) RJ-45 Signal out power
Temperature Tolerance — Operating: +32 to +104° F (0 to +40° C);
Storage: -4 to +140° F (-20 to +60° C)
Relative Humidity — 20 to 90%, noncondensing
Power — VSPX-HDMI1X4-TX: 5-VDC, 4 A, 13 watts (maximum);
VSPX-HDMI-RX: 5-VDC, 4-A, 1 watt (maximum);
VSPX-HDMI-CSRX: 5-VDC, 4-A, 7.5 watts
Size — VSPX-HDMI1X4-TX: 1.1"H x 4.3"W x 7.6"D (2.7 x 11 x 19.4 cm);
VSPX-HDMI-RX: 1.1"H x 3.5"W x 6.8"D (2.7 x 9 x 17.5 cm);
VSPX-HDMI-CSRX: 1"H x 4.2"W x 7"D (2.6 x 10.7 x 17.9 cm)
Weight — VSPX-HDMI1X4-TX: 1.3 lb. (0.6 kg);
VSPX-HDMI-RX: 0.4 lb. (0.2 kg);
VSPX-HDMI-CSRX: 1.2 lb. (0.5 kg)
Page 8
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Chapter 2: Overview
2. Overview
2.1 Introduction
The VSPX-HDMI1X4-TX transmitter works with the VSPX-HDMI-RX or VSPX-
HDMI-CSRX receiver to extend high-definition video and high-quality audio to
different locations over a long distance. The transmitters are cascadable,
enabling you to increase the number of total displays. The input HDMI source
can be duplicated and distributed to up to four HDMI enabled displays linked by
CAT5/5e/6 cables with HDMI over CAT5 receivers (VSPX-HDMI). If you only
need a single port transmitter, buy the compatible 3D HDMI extender kit
(VX-HDMI-TP-3D40M).
The VSPX-HDMI1X4-TX also has a local HDMI output for monitoring. With
built-in equalization, the input HDMI cable can be extended up to 66 feet
(20 meters) using Full HD, making the overall transmission distance better when
compared to generic HDMI splitters.
The VSPX-HDMI-CSRX receiver works with the VSPX-HDMI1X4 transmitter,
VSPX-HDMI-RX receiver, or VX-HDMI-TP-3D40M extender kit to distribute
HDMI/DVI video sources to up to ten displays in a daisychained connection via
CAT5/5e. By using the VSPX-HDMI1X4-TX transmitter and making four separate
chains, the number of displays can be increased to a total of 40. The cascade
ability allows pure digital video and audio broadcast station by station and
extends HDMI compliant video and audio anywhere.
The VSPX-HDMI-RX receiver works with the transmitter or VSPX-HDMI-CSRX
cascadable receiver to extend high-definition video and high-quality audio over
a distance via CAT5/5e/6 cable. The receiver works with an HDMI transmitter or
splitter over single CAT5 and enables you to extend HDMI compliant displays
almost anywhere.
2.2 Features
2.2.1 VSPX-HDMI1X4-TX, VSPX-HDMI-RX, VSPX-HDMI-CSRX
• Support HDMI deep color and 3D.
• HDCP compliant.
• Transmits uncompressed digital HDMI over CATx cable.
• Perfectly integrated with other compatible HDMI over CATx series products.
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Chapter 2: Overview
2.2.2 Additional Features for VSPX-HDMI1X4-TX
• Regenerates the HDMI signal.
• HDMI local output for monitoring.
• Supports default HDMI EDID and can learn the EDID of displays.
• Extends up to 66 feet (20 m) of input HDMI cable.
• Outputs video up to 200 feet (60 m) over CATx cable using HD (720p/1080p).
• Outputs video up to 130 feet (40 m) over CATx cable using Full HD (1080p).
• Wallmountable.
NOTE: The cable length depends on the characteristics and quality of the cables.
Higher resolutions and longer transmission distances require low-skew
cables (<25 ns/100 m) for best performance. We recommend using solid
core CAT6 cable.
2.2.3 Additional Features for VSPX-HDMI-RX
• Extends up to 200 feet (60 m) over CATx cable using HD (720p/1080i).
• Extends up to 130 feet (40 m) over CATx cable using Full HD (1080p).
• Wallmountable.
NOTE: The cable length depends on the characteristics and quality of the cables.
Higher resolutions and longer transmission distances require low-skew
cables (<25 ns/100 m) for best performance. We recommend using solid
core CAT6 cable.
2.2.4 Additional Features for VSPX-HDMI-CSRX
• Regenerates and outputs the HDMI signal.
• Support for stereo audio analog or 7.1ch audio via HDMI interface.
• Extends up to 200 feet (60 m) (720p/1080i) over CATx cable.
• Extends up to 130 feet (40 m) (1080p) over CATx cable.
• Up to three layers of cascaded units can be used to reach a total distance of
up to 393 feet (120 m).
• Wallmountable.
NOTE: The cable length depends on the characteristics and quality of the cables.
Higher resolutions and longer transmission distances require low-skew
cables (<25 ns/100 m) for best performance. We recommend using solid
core CAT6 cable.
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Chapter 2: Overview
2.3 What’s Included
Your package should include the following items. If anything is missing or
damaged, contact Black Box Technical Support at 724-746-5500
2.3.1 VSPX-HDMI1X4-TX
• (1) 1X4 Transmitter (VSPX-HDMI1X4-TX)
• (1) 5-VDC, international 4-A in-line power supply unit with US power cord
• (2) mounting screws
• This user’s manual
2.3.2 VSPX-HDMI-RX
• (1) Receiver (VSPX-HDMI-RX)
• (1) 5-VDC, international 4-A in-line power supply unit with US power cord
• (2) mounting screws
• This user‘s manual
2.3.3 VSPX-HDMI-CSRX
• (1) Cascadable Receiver (VSPX-HDMI-CSRX)
• (1) 5-VDC, international 4-A in-line power supply unit with US power cord
• (2) mounting screws
• This user’s manual
2.4 Hardware Description
2.4.1 1 x 4 Transmitter (VSPX-HDMI1X4-TX)
Figures 2-1, 2-2, and 2-3 show the front, back, and top panels of the transmitter.
Table 2-1 describes its components.
1
2
Figure 2-1. Transmitter’s front panel.
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Figure 2-2. Transmitter’s back panel.
7
8
9
10
Figure 2-3. Transmitter’s top panel.
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Chapter 2: Overview
Table 2-1. Transmitter’s components.
Number Component
Description
ON when power to the unit is on.
OFF when power is off.
1
2
Power LED
Signal LED
ON when HDMI source signal is
detected.
OFF when no HDMI signal is detected.
+5 VDC power
Connects to 5 VDC, 4 A interlocking
power adapter.
3
4
5
6
connector
HDMI input
connector
Connects to HDMI source.
Links to HDMI output for local monitor.
CATx output 1–4
HDMI output
connector
(4) RJ-45
connectors
7
SW1
SW2
SW3
SW4
2D/3D mode
Audio mode
HD mode
8
9
10
Learn EDID mode
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Chapter 2: Overview
2.4.2 Receiver (VSPX-HDMI-RX)
Figures 2-4 and 2-5 show the front and back panels of the receiver. Table 2-2
describes its components.
1
2
3
4
Figure 2-4. Receiver’s front panel.
5
6
Figure 2-5. Receiver’s back panel.
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Chapter 2: Overview
Table 2-2. Receiver’s components.
Number Component
Description
Interlocking
power jack
Connects to +5 VDC power supply
unit.
1
2
3
4
Power LED
Lights when power is on.
Interconnect.
RJ-45 connector
Power LED
Lights when power is on.
Adjust the 8-level equalization control
to the received HDMI male-male cable.
The HDMI signal level varies from 0
(strongest) to 7 (weakest) for
respective transmission length from
longest possible range to short
5
8-position switch distance. Adjust the signal level from 7
to 0 and stop turning the rotary switch
when the audio/video is playing
normally. Inappropriate signal level
setting may cause an over-power
condition that could damage the
converter.
HDMI output
connector
Connect to an HDMI display with
an HDMI male-male cable.
6
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Chapter 2: Overview
2.4.3 Cascadable Receiver (VSPX-HDMI-CSRX)
Figures 2-6 and 2-7 show the front and back panels of the cascadable receiver.
Table 2-3 describes its components.
1
Figure 2-6. Cascadable receiver’s front panel.
9
10
11 12
2
3
4
5
6
7
8
Figure 2-7. Cascadable receiver’s back panel.
Table 2-3. Cascadable receiver’s components.
Number Component
Description
1
Power LED
Lights when power to the unit is on.
ON when HDMI signal is detected.
OFF when DVI signal is detected.
2
HDMI/DVI LED
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Chapter 2: Overview
Table 2-3 (Continued). Cascadable receiver’s components.
Number Component
Description
Adjust the 16-level equalization control
corresponding to the transmission
distance of receiving HDMI signals. For
surround sound audio output, adjust
from 0 to 7 (longest-to-shortest
transmission length). For stereo audio
output, adjust from 8 to F (longest-to-
shortest transmission length). We
recommend adjusting from 7 to 0 or
from F to 8 to find the optimal visual
result. Adjust the signal level from 7 to
0 or F to 8 and stop turning the rotary
switch when the audio/video is playing
normally. Inappropriate signal level
setting may cause an over-power
condition that could damage the
converter.
16-level rotary
control switch
3
RJ-45 signal
input
4
Interconnect input.
3.5-mm
5
Audio out: plug in a local speaker here.
connector
Connect to a local HDMI display with
an HDMI male-male cable here, or link
to another cascadable receiver for
cascading.
HDMI output
connector
6
RJ-45 signal
output
7
Interconnect output.
Interlocking
power jack
Connects to +5 VDC, 4A power supply
unit.
8
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Chapter 2: Overview
Table 2-3 (Continued). Cascadable receiver’s components.
Number Component
Description
9
Link LED
Lights when a link is present.
10
11
12
Link LED
Lights when a link is present.
Power LED
Power LED
Lights when power to the port is on.
Lights when power to the port is on.
2.5 Application Diagrams
Figures 2-8 through 2-10 show typical application diagrams for the transmitter,
receiver, and cascadable receiver.
VSPX-HDMI1X4-TX
VSPX-HDMI-RX
HDMI source
Local HDMI
monitor
HDMI output
monitor
Figure 2-8. Connection diagram #1.
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Chapter 2: Overview
HDMI monitor
iCOMPEL™
VSPX-HDMI-CSRX
CATx cable
CATx cable
130 ft. (40 m)
130 ft. (40 m)
VSPX-HDMI1X4-TX
Local HDMI
output monitor
VSPX-HDMI-RX
CATx cable
130 ft. (40 m)
HDMI monitor
VSPX-HDMI-RX
VSPX-HDMI-RX
HDMI monitor
Figure 2-10. Connection diagram #3.
HDMI monitor
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Chapter 3: Configuration
3. Configuration
3.1 Switch Settings on the Transmitter
Figure 3-1 shows the VSPX-HDMI1X4-TX transmitter board’s switch locations.
Table 3-1 describes the switches’ settings.
1
2
3
4
Figure 3-1. Switches on the transmitter board.
Table 3-1. Transmitter board’s switch settings.
Left
DIP switch
Number Name
Position
Setting
Right Position
Setting
1
2
3
4
Video mode
Audio mode
HD mode
2D display
2 ch
3D display
7.1 ch
720p
1080p
EDID mode
EDID learn
Default EDID
NOTE: Instant switching is enabled only when the video and audio setting of the
source has been adjusted to Auto or Passthrough.
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Chapter 3: Configuration
3.2 EDID Learning
1. Power on the transmitter. Connect the display that you want to learn the
EDID to the HDMI output connector.
2. To learn the display’s EDID for the source device connected to the HDMI
output on the transmitter, set EDID mode to the left position. Power on the
transmitter and wait for about five seconds to complete the EDID learning
process.
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Chapter 4: Installation
4. Installation
To broadcast HDMI signals to four remote displays with a local port, follow
these instructions.
1. Turn off all devices, including sources and displays.
2. Connect an HDMI source (such as a Blu-ray disc player) to the HDMI port on
the transmitter.
3. Connect the receivers via CAT5/5e/6 cables to each HDMI signal output port.
4. Connect the local HDMI equipped monitor.
5. Set EDID DIP switch settings of the transmitter according to your displays
(Chapter 3).
6. If the monitor’s resolution or refresh rate differs from the extender’s built in
EDID settings, set DIP switch to EDID learning to copy the EDID from the local
monitor (Section 3.2).
7. Plug in the 5-VDC, 4-A power supplies.
8. Power on the HDMI displays.
9. Power on the HDMI source device.
10. If you see a flickering or blinking image on the remote displays, adjust the
rotary control switch on the receivers to adjust the video signal strength
(see Table 2-2 or 2-3).
11. If you are installing several VSPX-HDMI-CSRX units in a cascade setup,
always start by adjusting signal strength on the unit nearest the transmitter,
and move on to the adjacent units.
VSPX-HDMI1X4-TX
VSPX-HDMI-RX
HDMI source
Local HDMI
monitor
HDMI output
monitor
Figure 4-1. Connection diagram.
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Chapter 5: Pin Definitions
5. Pin Definitions
5.1 HDMI
Figure 5-1. HDMI female connector.
Table 5-1. HDMI connector pinout.
Pin Signal
Pin
Signal
1
2
3
4
5
6
7
8
9
10
TMDS Data2+
11
TMDS Clock Shield
TMDS Data2 Shield
TMDS Data2-
12
13
14
TMDS Clock
CEC
TMDS Data1+
Reserved (not connected)
TMDS Data 1 Shield 15
SCL
TMDS Data1-
16
17
18
19
—
SDA
TMDS Data0+
TMDS Data0 Shield
TMDS Data0-
TMDS Clock+
DC/CEC Ground
+5 V Power
Hot Plug Detect
—
Page 24
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Chapter 5: Pin Definitions
5.2 RJ-45/CATx
Figure 5-2. RJ-45 connector.
Table 5-2. RJ-45 CATx TIA/EIA-568B
connector pinout.
T568A
Pin Pair
T568B
Pair
T568A Color
T568B Color
1
2
3
4
5
6
7
8
3
3
2
1
1
2
4
4
White-Green
2
White-Orange
Green
2
3
1
1
3
4
4
Orange
White-Orange
Blue
White-Green
Blue
White-Blue
Orange
White-Blue
Green
White-Brown
Brown
White-Brown
Brown
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Chapter 6: Performance Guide
6. Performance Guide for HDMI Over Category 5/6 Cable
Transmission
Table 6-1. Cable performance guide.
Performance Rating
Type of CAT5/6 Cable
Wiring
Shielding
CAT5
CAT5e CAT6
Unshielded (UTP) ***
*****
***
**
*****
****
**
Solid
Shielded (STP)
Unshielded (UTP)
Shielded (STP)
***
*
Stranded
*
*
**
Termination
Use EIA/TIA-568-B termination.
Page 26
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Chapter 7: Troubleshooting
7. Troubleshooting
7.1 Contacting Black Box
If you determine that your transmitter, receiver, or cascadable receiver is
malfunctioning, do not attempt to alter or repair the unit. It contains no
user-serviceable parts. Contact Black Box Technical Support at 724-746-5500 or
Before you do, make a record of the history of the problem. We will be able to
provide more efficient and accurate assistance if you have a complete
description, including:
• the nature and duration of the problem.
• when the problem occurs.
• the components involved in the problem.
• any particular application that, when used, appears to create the problem or
make it worse.
7.2 Shipping and Packaging
If you need to transport or ship your transmitter, receiver, or cascadable receiver:
• Package it carefully. We recommend that you use the original container.
• If you are returning the unit, make sure you include everything you received
with it. Before you ship for return or repair, contact Black Box to get a Return
Authorization (RA) number.
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Black Box Tech Support: FREE! Live. 24/7.
Tech support the
way it should be.
Great tech support is just 30 seconds away
at 724-746-5500 or blackbox.com.
About Black Box
Black Box provides an extensive range of networking and infrastructure
products. You’ll find everything from cabinets and racks and power and surge
protection products to media converters and Ethernet switches all supported
by free, live 24/7 Tech support available in 30 seconds or less.
© Copyright 2013. Black Box Corporation. All rights reserved.
VSPX-HDMI1X4-TX, version 3
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