Bogen Telephone LUMDMU User Manual

Lucent Technologies

Bell Labs Innovations

Multiple Digital Message Unit

Installation and Use Manual

Issue 1, October 1999

Model: LUMDMU

PEC Code: 5325-100

COM Code: 408184000

Select Code: 701-000-117

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Table of Contents

Front Panel Operation

Controls and Indicators

■

Recording Messages

Listening to Recorded Messages

Playing Messages

Playing Messages in Sequence

Adding a Time Delay Between Message Plays

Clearing a Message Sequence

Checking Message Times

Reset Delay Times to Default

■ Audio and Memory Tests

Audio Test

Memory Test

Telephone Access Operation

Recording Messages

■

■ Listening to Recorded Messages

■

Playing Messages

Clearing a Message Sequence

Specifications

iii

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Introduction

The Multiple Digital Messaging Unit (MDMU) is a micro processor based

digital voice announcement system. It outputs prerecorded messages

through a public address system. Up to 99 messages can be placed in

the units digital memory for queued replay. Up to eight messages can

be programmed to play in sequence with timed delays.

Depending on the amount of memory option configured in the MDMU,

multiple messages can range from 32 seconds up to 8 minutes 44

seconds in length. Voice and audio messages can be stored into

memory through dial-up telephone, microphone interface, or tape input.

(The MDMU is programmed by dial-up telephone DTMF tones.)

This guide gives installation, recording, and programming steps. Since

messages are digitally stored, and there are no moving parts, the MDMU

should give years of uninterrupted service.

Before You Start

Before installing your system, read and understand the safety instructions

on page ii. Be sure you have all the necessary parts, tools, and test

equipment, listed below.

Read important Safety Information on Page ii.

Check Shipping Container Contents.

■

Multiple Digital Messaging Unit

■

Mounting Hardware (screws and brackets)

■

Cables, RJ-21 to wire lug end and power cord

■

This Installation and Configuration guide

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Have Required Tools

The following tools are required for the installation of the MDMU

hardware an cabling.

Phillips screwdriver (small and large)

■

Standard blade screwdriver (small and large)

■

Wire strippers (24 AWG - 12 AWG)

■

Telephone test set

■

Tone out circuit tester (optional, for troubleshooting)

■

Volt-ohm Meter (optional for troubleshooting)

■

4 wood screws, if mounted on wall

■

Installation Steps

Mount the MDMU to either a wall, cabinet or a rack

(near the paging equipment if possible).

Figure 1. Wall Mounted Unit

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Figure 2. Rack Mounted MDMU

Connect the MDMU to the Telephone System

BATTERY

OFF ON

OPTION

SWITCH

REM

AUX. CONNECTOR

MOST

TELEPHONE

SYSTEM

TIP AND RING FROM

ANALOG STATION

Figure 3 MDMU Connection to Telephone System

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Plug the modular cord into connector J1 on MDMU

and connect the wires on the other end to the

Over Ride terminal.

Figure 4. MDMU Connection to Over Ride

Connect the RJ-21 cable/connector to the MDMU Aux.

Interface and to terminal block.

NOTE: For specific pin-out

information for this connector

refer to Figure 9 at the end of

this guide. Messages 1

OPTION

REM

BATTERY

OFF ON

AUX. CONNECTOR

SWITCH

through 6 correspond to

message starts 1 through 6.

RJ-21 CABLE AND

CONNECTOR

SCREW LUG

TERMINAL BLOCK

MESSAGE #1

TYPICAL CONNECTION

TO MOMENTARY

CONTACT CLOSURE

TO START MESSAGE

TYPICAL

CONNECTION TO

TERMINAL BLOCK

MESSAGE #6

Figure 5 Connection of RJ-21 Cable to MDMU.

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Set the MDMU options on the DIP switch. Refer to

the table below.

NOTE: Switches 1, 2, and 3

sets the number of messages in

a single queue sequence. The

timing between those

messages is set by switches 4,

5, and 6. Switch 7 sets the

total possible number of

BATTERY

OFF ON

OPTION

SWITCH

REM

messages for the unit. Switch

8 is always in the ON position.

Figure 6 Set MDMU Options on DIP Switch

Table 1. DIP Switch Setting Definitions

SET

SWITCH

# 2 TO

SET

SWITCH

# 7 TO

MAX. No. of

MESSAGES IN

SEQUENCE:

SET

SWITCH

# 1 TO

SET

SWITCH SWITCH SWITCH SWITCH

# 3 TO

# 5 TO

# 6 TO

# 4 TO

—

OFF

—

OFF

—

OFF

—

DEFAULT DELAY BETWEEN MESSAGES:

OFF

—

0:05

0:10

—

OFF

0:30

OFF

1:00

—

OFF

5:00

OFF

15:00

30:00

OFF

—

OFF

NUMBER OF MESSAGES AVAILABLE:

1 TO 9

01 TO 99

—

OFF

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Power Up System

Plug the power cord into the A.C. input connector on

the MDMU, then into the wall oulet.

The MDMU will display three messages in sequence:

MDMU 2.00

Software version of unit.

3.16

Total time available in memory for

recording.

IDLE

Indicates the status MDMU: Idle = no

activity; PLY = A message is being

played out through connector J1; Delay =

the time delay between successive

messages is active.

Push the Battery slide switch to the ON position.

The MDMU is now ready to record and play meassages.

NOTE: The internal battery

maintains the recorded

messages two hours in the

event of a power failure or

brownout. Allow 48 hours to

fully charge.

BATTERY

OFF ON

OPTION

SWITCH

REM

If power is to be removed from

the MDMU for an extended

period of time, turn the battery

switch to the Off position to

avoid permanent damage to

the battery.

NOTE: The suggested reliable

lifetime of the rechargeable

battery used in the equipment

is 36 months. To ensure the

system has reliable battery

backup, it is recommended

the battery be replaced every

30 months.

Figure 7 Battery Switch

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Front Panel Operation

The MDMU can record messages input from the front panel through the

Hand Set, Tape, and Mic connectors. The unit also record and store

messages input remotely through telephone access to the REM port using

a DTMF (touch tone) telephone.

Controls and Indicators

FRONT VIEW

HAND

SET

FUNC

RUN

TAPE

MIC

IDLE

MULTIPLE DIGITAL

MESSAGING UNIT

RUN

TAPE

INPUT

MIC

FUNCTION

DISPLAY

FUNCTION

BUTTON

INPUT

SELECTION

BUTTON

HANDSET

INPUT

REAR VIEW

BATTERY

OFF ON

OPTION

SWITCH

AUX. CONNECTOR

REM

POWER

INPUT

TELEPHONE

ACCESS

OPTION

SWITCH

BATTERY

SWITCH

50 PIN RJ-21

CONNECTOR

MESSAGE

OUTPUT

Figure 8 Controls and Indicators.

Recording Messages

The highest priority message should be recorded on the lowest message

number (1) to ensure fastest replay (i.e. Fire in Building...).

Plug the telephone handset, microphone, or tape

player into the appropriate connector on the front

panel.

Press the (black) FUNC button until the RECORD

message is displayed.

RECORD

Press the (red) RUN button to display the message

number #1.

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To record on another message number, press the

FUNC key until the desired message number appears.

NOTE: Depending on number

of messages optioned during

installation (switch 7), the

(available message numbers

will read 1 through 9, or 01

through 99.

Press the RUN button and begin speaking into the

handset, microphone, or press play on the tape player.

NOTE: If the message number

selected has been

pre-recorded, a messaged will

display "SURE?" Press "RUN"

again to append to the existing

message.

SURE ?

During recording, the display

will show the amount of

memory remaining for the unit

in minutes and seconds.

mm:ss

When recording is complete, press the FUNC key.

The display shows the amount of time

used for the message:

NOTE: While recording a

message, pressing RUN will

pause the recording. Press

RUN again to continue.

TIME

0:30

DONE

IDLE

Repeat steps 2 through 6 to record other messages.

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Listening to Recorded Messages

Press the FUNC button until the display indicates

monitor.

NOTE: Use the front panel

handset to listen to messages.

MONITOR

Press the RUN button to select the message number.

MSG-01

Press the FUNC key until the desired message

number appears.

MSG-11

Press RUN to listen to the message.

As the message plays into the

handset, the display counts

down the message time.

mm:ss

Length of message.

DONE

Done playing message.

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Playing Messages

Once messages have been recorded, they may be played over the

paging system as described below. Messages can also be queued by a

contact closure of one of the switch cable pair of the RJ-21 cable (See

figure 5).

Press the FUNC button until PLAY is displayed.

PLAY

Press the RUN button.

MSG-01

The first message is displayed.

Press the FUNC button to select a message other

than MSG-01 to play in.

MSG-09

Press RUN to play the message.

PLY-S09

Ply = Play, message #9 out off sequence.

DEL-S09

Configured delay between the messages

(see table 1).

NOTE: If a contact closure

comes in on the RJ-21 cable,

the message sequence will

stop. The contact closure

message will play until the

closure is removed. The

sequence message will resume

where it left off.

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Playing Messages in Sequence

A group or sequence of messages can be played to the output channel.

The maximum number of messages in a sequence can be up to 8

(determined by the DIP switch settings on the back panel). To add

messages to the sequence simply repeat the PLAY command, selecting

the message to be added each time.

Press the FUNC button until PLAY is displayed.

PLAY

Press the RUN button.

MSG-01

The first message is displayed.

Press the FUNC button to select a message other

than MSG-01 to play in:

MSG-09

Press RUN to play (and group) the message.

PLY-S09

Ply = Play, S = sequence message #9.

Repeat steps 1 through 4 to add up to 8 messages if

you are configured for 8 (see page 9).

NOTE: If a contact closure

comes in on the RJ-21 cable,

the message sequence will

stop. The contact closure

message will play until the

closure is removed. The

sequence message will resume

where it left off.

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Adding a Time Delay Between Message Plays

A time delay can be inserted before successive message plays. The

amount of time depends on the maximum time delay set on the option

DIP switch.

Press the FUNC button until DELAY appears.

DELAY

Press the RUN button to display the message

numbers.

MSG-01

Press the FUNC button to select the message number

to add the delay.

NOTE: A delay may only be

selected for a message which

has previously been recorded.

MSG-04

Press the RUN button to display the delay times.

DLY-0:05

Press the FUNC button to scroll the available delay

times.

DLY-0:30

30 second delay

Press the RUN button to accept the selected delay time.

DONE

Repeat steps 1 through 6 to add delays to other

message numbers.

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Clearing a Message Sequence

The message sequence can be cleared leaving the

individual messages to be played separately.

Press the FUNC button until PLAY is displayed

PLAY

Press the RUN button.

MSG-01

Press the FUNC button until the following message is

displayed.

MSG-00

This is the message abort number.

Press RUN to clear the message sequence.

CLEARED

DONE

IDLE

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Checking Message Times

The TIME function displays the time used for each message recorded.

It also displays the remaining time available in system memory to record

other messages.

Press the FUNC button until TIME appears.

TIME

Press the RUN button (once) to view message

numbers and recording time.

MSG-01

Message number.

mm:ss

Time used to record message in

minutes and seconds.

Once all messages and times are displayed, the

display indicates:

LEFT

Amount of time left on the system to

record other messages.

2:09

Available MDMU memory time in minutes

and seconds.

DONE

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Reset Delay Times to Default

The INIT (initialize) function resets the operating parameters and delay

time to the default setting of five seconds without effecting the recorded

messages.

Press the FUNC button until INIT appears.

INIT

Press the RUN button.

SURE ?

Verification of command.

Press the RUN button again to initialize.

WAIT

DONE

Audio and Memory Tests

Two diagnostics tests are built into the MDMU internal software. The

audio test plays a 1000 Hz tone to the installed J1 output line. The

memory test clears all recorded messages and internally writes and

reads a number of test patterns to verify proper operation.

Audio Test

Press the FUNC button until TEST appears.

TEST

Press the RUN button to display the test options.

AUD TEST

Press the RUN button again to begin the test.

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Press the FUNC button to end the continuous audio

test.

WAIT

IDLE

Press the FUNC button until TEST appears.

Memory Test

TEST

Press the RUN button to display the test options.

AUD TEST

Press the FUNC button to select the memory test.

MEM TEST

Press the RUN button to initialize the test.

SURE ?

Verification of memory test command.

Press the Run button again to begin the test.

CAUTION! The memory test

will erase all recorded and

stored messages.

ADD TEST

To cancel the memory test

command, press the FUNC

button.

This number indicates the number of times

the memory test has executed.

Press the FUNC button to end the test.

DONE

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Telephone Access Operation

The MDMU may be accessed remotely using a DTMF (Touch Tone)

telephone. Telephone access can be made directly through a telephone

switching system with one of its analog stations connected to the MDMU

REM port.

Recording Messages

Dial the telephone extension of the MDMU.

Press

✽

(R for record) and the message number.

76 - record message number 6)

(for example,

✽

When you hear the beep, begin recording the

message.

Optionally, to send this message to a particular

paging zone, dial the zone number

now, then continue recording this message.

Press the

keys to end recording and save message.

key again to disconnect from the MDMU.

Listening to Recorded Messages

Dial the telephone extension of the MDMU.

Press

✽

(M for monitor) and the message number.

609 - monitor message number 9)

(for example,

✽

Press the

key to end monitoring message.

key again to disconnect from the MDMU.

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Playing Messages

Dial the telephone extension of the MDMU.

Dial the message number to play over the public

address system (for example, 14, for message

number 14).

The message is played and added to the sequence of

messages playing.

Press the

key to disconnect from the MDMU.

Clearing a Message Sequence

Dial the telephone extension of the MDMU.

Press

(or 00 if set for 99 messages).

This action removes all messages from the sequence,

stops any contact closure message starts, and places

the MDMU in the IDLE state.

Press the

key to disconnect from the MDMU.

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Specifications

Table 2 lists the specifications for the Multiple Digital Messaging Unit.

Figure 9 on the next page give the Aux. Connector pin-out definitions.

Table

Multiple Digital Messaging Unit Specifications.

■

115 VAC, 60 Hz, or 220 VAC, 50 Hz (specified on MDMU rear panel).

Power Supply

Height: 1.75 inches (4.4 cm).

Dimensions and

Weight

Width: 16.25 inches (41cm) without brackets, 19 inches (48.3 cm) with brackets attached.

Depth: 9.25 inches (23.5 cm).

■

Weight: 13 pounds (6 kg).

AC Power: MDL 0.25 amp Slow Blo.

Battery: MDL 2.0 amp Slow Blo.

Fuse Ratings

■

0 to +40 deg. C. (32 to 104 deg. F.) operational.

–40 to +66 deg. C. (–40 to +150 deg. F.) storage and shipment.

Temperature

Range:

■

5% to 95% (non-condensing) storage/shipment and operation.

Humidity Range:

Altitude:

Sea level to 10,000 ft. operational (1048 to 648 millibars) 40,000 ft. max. shipment.

Locate in an area free of excess moisture, corrosive gases, dust, and chemicals.

Allows up to two hours of operation during a power failure. Total charge time 48 hours.

Environmental

Battery Backup

Frequency

Response

– 200 Hz to 3.4 kHz ( +3 dB).

■

Adjustable to a maximum of –9 dBm.

Output Level

Handset: 220 ohm; Microphone: 600 ohms; Tape: 10K ohms.

8 KHz sampling rate, 8 bits/sample (PCM).

Input Impedance

Voice Encoding

50 pin, RJ-21 connector providing contact closure message starts.

Interconnect

Cable

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DEFINITION

WIRE COLORS

WHITE

BLUE

J1 RING

CP 1 (C)

CP 1 (NC)

CP 1 (NO)

ORANGE

GREEN

BROWN

SLATE

WHITE

RED

BLUE

ORANGE

GREEN

BROWN

SLATE

RED

BLUE

BLACK

YELLOW

VIOLET

BLUE

ORANGE

GREEN

BROWN

SLATE

TIP 1

START 1 ( – )

START 1 ( + )

BLUE

RING 1

CP 1 ( C )

CP 1 ( NC )

CP 1 ( NO )

ORANGE

GREEN

BROWN

SLATE

START 2 ( – )

START 2 ( + )

BLUE

ORANGE

GREEN

BROWN

SLATE

WHITE

START 3 ( – )

START 3 ( + )

START 4 ( – )

START 4 ( + )

ALARM ( NC )

RING REMOTE

J1 TIP

START 1 ( – )

START 1 ( + )

ORANGE

START 5 ( – )

START 5 ( + )

ALARM ( NO )

GREEN

BROWN

SLATE

30 WHITE

31 RED

START 6 ( – )

ALARM ( C )

TIP REMOTE

START 2 ( – )

START 2 ( + )

BLUE

32 RED

33 RED

34 RED

35 RED

ORANGE

GREEN

BROWN

SLATE

RING REMOTE

START 3 ( – )

START 3 ( + )

36 BLACK

37 BLACK

38 BLACK

39 BLACK

40 BLACK

41 YELLOW

42 YELLOW

43 YELLOW

44 YELLOW

45 YELLOW

46 VIOLET

47 VIOLET

48 VIOLET

49 VIOLET

50 VIOLET

BLUE

ORANGE

GREEN

BROWN

SLATE

NOTE: The alarm contact

points are used for monitoring

the MDMU for unit failure.

START 4 ( – )

START 4 ( + )

ALARM (NC)

BLUE

ORANGE

GREEN

BROWN

SLATE

START 5 ( – )

START 5 ( + )

ALARM (NO)

BLUE

ORANGE

GREEN

BROWN

SLATE

START 6 ( – )

START 6 ( + )

ALARM ( C )

TIP REMOTE

Figure 9 50 Pin Connector and Wiring Code.

Table 3

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