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Lucent Technologies
Bell Labs Innovations
Multiple Digital Message Unit
Installation and Use Manual
Issue 1, October 1999
© 1999 Bogen Communications, Inc.
All rights reserved. 54-2024-01 9910
Model: LUMDMU
PEC Code: 5325-100
COM Code: 408184000
Select Code: 701-000-117
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© 1999 Bogen Communications, Inc. Repairs to this equipment, other than routine repairs, can be All Rights Reserved. Printed in U.S.A. made only by the manufacturer or its authorized agents. Notice If the equipment causes harm to the telephone network, the Every effort was made to ensure that the information in this local telephone company may temporarily discontinue your guide was complete and accurate at the time of printing. service and, if possible, notify you in advance. If advance notice H
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Table of Contents 1 Introduction 1 Before You Start 2 Installation Steps 6 Power Up System 7 Front Panel Operation 7 Controls and Indicators ■ 7 Recording Messages ■ 9 Listening to Recorded Messages ■ 10 Playing Messages ■ 11 Playing Messages in Sequence ■ 12 Adding a Time Delay Between Message Plays ■ 13 Clearing a Message Sequence ■ 14 Checking Message Times ■ 15 ■ Reset Delay Times to Default 15 ■ Audio and Memory Tests 15 Audio Test 16 Memory Test 17 Telephone Access Operation 17 Recording M
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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 aud
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3 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 1 Mount the MDMU to either a wall, cabinet or a rack (near the paging equipment if pos
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Figure 2. Rack Mounted MDMU Connect the MDMU to the Telephone System 2 BATTERY OPTION REM AUX. CONNECTOR J1 SWITCH OFF ON MOST TELEPHONE SYSTEM TIP AND RING FROM ANALOG STATION Figure 3 MDMU Connection to Telephone System 3
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3 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 4 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 OPTION BATTERY REM this guide. Messages 1 AUX. CONNECTOR J1 SWITCH OFF ON through 6 correspond to message starts 1 through 6. RJ-21 CABLE AND CONNECTOR SCREW LUG TERMIN
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5 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 BATTERY OPTION messages is set by switches 4, REM 5, and 6. Switch 7 sets the SWITCH OFF ON total possible number of 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 MAX. No. of SET SET SET SET SET SET SET SWITCH SWITCH SWITCH
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Power Up System 1 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. 2 Push the Battery slide switch to the ON position. The MDMU is now ready to record
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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 FUNC RUN SET TAPE MIC IDLE MULTIPLE DIGITAL MESSAGING UNIT FUNCTION RUN TAPE MIC FUNCTION FUNCTION INPUT INPUT DISPLAY SELECTION BUTTON BUTTON HANDSET INPUT REAR VIEW OPTION BATTERY AUX. CONNECTOR J1 R
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4 To record on another message number, press the NOTE: Depending on number of messages optioned during FUNC key until the desired message number appears. installation (switch 7), the (available message numbers will read 1 through 9, or 01 through 99. 5 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
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Listening to Recorded Messages 1 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. 2 MSG-01 Press the FUNC key until the desired message 3 number appears. MSG-11 Press RUN to listen to the message. 4 As the message plays into the handset, the display counts down the message time. mm:ss Length of message. DONE Done playing message. 9
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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). 1 Press the FUNC button until PLAY is displayed. PLAY Press the RUN button. 2 MSG-01 The first message is displayed. Press the FUNC button to select a message other 3 than MSG-01 to play in. MSG-09 Press RUN to play the message. 4 PLY-S09 Ply = Play, message #9 out off s
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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. 1 PLAY Press the RUN button. 2 MSG-01 The first message is displayed. Press the FUNC button to select a message other 3 than MS
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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. 1 DELAY 2 Press the RUN button to display the message numbers. MSG-01 3 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 d
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Clearing a Message Sequence The message sequence can be cleared leaving the individual messages to be played separately. 1 Press the FUNC button until PLAY is displayed PLAY 2 Press the RUN button. MSG-01 Press the FUNC button until the following message is 3 displayed. MSG-00 This is the message abort number. Press RUN to clear the message sequence. 4 CLEARED DONE IDLE 13
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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. 1 Press the FUNC button until TIME appears. TIME Press the RUN button (once) to view message 2 numbers and recording time. MSG-01 Message number. mm:ss Time used to record message in minutes and seconds. 3 Once all messages and times are displayed, the display indicates: LEFT Amount of time left on the system to record
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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. 1 Press the FUNC button until INIT appears. INIT 2 Press the RUN button. SURE ? Verification of command. 3 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 lin
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Press the FUNC button to end the continuous audio 4 test. WAIT IDLE Press the FUNC button until TEST appears. 1 Memory Test TEST Press the RUN button to display the test options. 2 AUD TEST 3 Press the FUNC button to select the memory test. MEM TEST Press the RUN button to initialize the test. 4 SURE ? Verification of memory test command. Press the Run button again to begin the test. 5 CAUTION! The memory test will erase all recorded and stored messages. ADD TEST To cancel the memory test com
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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 1 Dial the telephone extension of the MDMU. 2 Press ✽ 7 (R for record) and the message number. (for example, ✽ 76 - record message number 6) 3 When you hear the beep, begin recording the message. 4 Optionally, to send this message to a particul
