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Audiocom MS-2002 User Manual

Master station and power supply
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MS-2002
Master Station and Power Supply
User Manual
9350-7749-000 Rev J
1/2010

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Summary of Contents for Audiocom AUDIOCOM MS-2002

  • Page 1 MS-2002 Master Station and Power Supply User Manual 9350-7749-000 Rev J 1/2010...
  • Page 2 ROPRIETARY OTICE The product information and design disclosed herein were originated by and are the property of Bosch Security Systems, Inc. Bosch reserves all patent, proprietary design, manufacturing, reproduction, use and sales rights thereto, and to any article disclosed therein, except to the extent rights are expressly granted to others.

  • Page 3: Important Safety Instructions

    Important Safety Instructions Read these instructions. Keep these instructions. Heed all warnings. Follow all instructions. Do not use this apparatus near water. Clean only with dry cloth. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.

  • Page 5: Table Of Contents

    INTRODUCTION ... 7 Description ... 7 Features ... 8 INSTALLATION ... 9 Configuration Pre-check ... 9 Headset Microphone Type Selection DIP Switch ... 11 Mic Kill Send Enable DIP Switch ... 11 Program Interrupt DIP Switches ... 11 Incoming Call Beep DIP Switches ... 11 Monaural or Binaural Operation DIP Switches ...

  • Page 7: Introduction

    CHAPTER 1 Introduction Description The MS-2002 is a complete 2-channel master station and system power supply (24VDC, 2Amps total power) in a single unit. Simply plug it into any AC power outlet from 100 to 240 volts, add a microphone or headset, connect intercom stations to the back panel, and you’re ready to communicate.

  • Page 8: Features

    Panel Mic / Electret-Mic Headset Connector - Accepts an electret gooseneck microphone, such as the Telex Model MCP-90-XX. The model MCP-90 series panel mic connector is a 1/4” stereo plug, with a threaded shaft for easy installation.

  • Page 9: Installation

    CHAPTER 2 Installation Configuration Pre-check Before connecting the MS-2002 make sure it is properly configured for you intended usage. The locations of the configuration switches are shown in Figure 2. To access internal switches, do the following: Remove three (3) screws from the top cover and three (3) screws from the bottom portion of each side. >...
  • Page 10 Switch # Description SW1-1 Headset Microphone Type SW1-2 Call Signal Send, channel 1 SW1-3 Call Signal Receive, channel 1 SW1-4 Call Signal Send, channel 2 SW1-5 Call Signal Receive, channel 2 SW1-6 Mic Kill Signal Send SW1-7 Program 2 SW1-8 Program 1 ALANCED Rear Panel...

  • Page 11: Headset Microphone Type Selection Dip Switch

    Headset Microphone Type Selection DIP Switch SW1-1 applies only to a dynamic-mic headset connected to the dynamic-mic headset jack on the front panel. If the headset specifications indicate the microphone type is balanced, or if you are unsure, leave this switch in the off (default) position. If the specifications indicate an unbalanced microphone, set SW1-1 to on.

  • Page 12: Monaural Or Binaural Operation Dip Switches

    Monaural or Binaural Operation DIP Switches The MS-2002 can be used with a single speaker or monaural headphones (single- or double-sided) for monaural operation. In this case, all audio signals are combined and sent to the headphones and the front panel speaker. The combined signals also go to the Speaker 1 jack on the back panel.

  • Page 13: Mounting

    Mounting The MS-2002 mounts in a standard 19-inch equipment rack and is 1 RU (Rack Unit) high. When mounting the MS-2002, install the supplied black face plates on the appropriate side. The face plates should be mounted with the grooves on the top. NOTE: You must perform the sidetone adjustment (page 10) after all components are connected.

  • Page 14: Cables

    Cables The numbers below correspond to the cable numbers in the connection drawings on the following pages. 1-channel intercom cable. Sold Separately. Use Telex ME cables, below. Or, build per Figure 7 on page 19. • ME-25: 25’ (7.6 m) cable with Male and Female 3-pin XLR connectors.
  • Page 15 MS-2002 Monaural Master Speaker Station Configuration. FIGURE 3. Agood configuration for smaller intercom systems when you want to operate the MS-2002 as a master speaker station, with one (1) speaker to monitor both intercom channels. In this configuration, the Combine/Isolate switch is set to the Isolate position.
  • Page 16 MS-2002 Binaural Master Speaker Station Configuration. FIGURE 4. A good configuration for smaller intercom systems when you want to operate the MS-2002 as a master speaker station, with a separate speaker for each intercom channel. Make sure the MS-2002 intercom DIP switches are set for binaural speaker operation on page 12.
  • Page 17 MS-2002 Typical Speaker Station and Belt Pack Connections. FIGURE 5. Typically, a headset is connected to the front panel of the MS-2002, and the DIP switches are set to the monaural operation (default setting) so both intercom channels are heard in the monaural headphones (binaural headphone operation is not supported).
  • Page 18 External Audio Input and PA Output. FIGURE 6. You can connect two (2) audio sources to the Program Inputs connector: one (1) for each channel. Audio sources can be directly connected with a user-supplied DB9M connector. For more information on the program input connector specifications, see “Specifications”...
  • Page 19 Shield Cable Type: 22AWG Stranded, 2-Pair Twisted-wire, with Shield Connector Type: 3-Pin XLR Audio (Neutrik or Switchcraft) Pin 1: Common Pin 2: Channel Audio / Power Pin 3: Channel Audio / Power Shield : Earth ground Shield Cable Type: 22AWG Stranded, 3-Pair Twisted-wire, with Shield Connector Type: 6-Pin XLR Audio (Neutrik only, not compatible with 6-pin Switchcraft) Pin 1: Channel 1 &...

  • Page 21: Operation And Specifications

    Power-Up Check To power-up the MS-2002, do the following: Plug in the MS-2002. > When power is first applied to the MS-2002, it performs a power-up reset, in which the front panel indicators cycle through all of their possible colors and then turn off. This verifies the general operation of the intercom station and indicators.

  • Page 22: Sidetone Adjustment

    Sidetone Adjustment The MS-2002 uses full-duplex audio (the same as a conventional telephone line) where the talk and listen audio are sent and received on the same line. When you talk on a channel, you also hear your own voice back in the speaker or headphones. This is called sidetone.

  • Page 23: Voice-Activated Microphone (Vox) Setup

    Voice-Activated Microphone (VOX) Setup If you are going to use VOX, you must adjust the VOX level for proper operation. If the VOX level is too low, room noise activates the microphone. If the VOX level is too high, the microphone does not activate when you begin talking. To check and set the VOX level, do the following: If you are using a headset, tap the Headset key twice to turn on headset VOX.

  • Page 24: Volume Adjustment

    Volume Adjustment To adjust the volume, do the following: If you are using a headset, adjust the intercom listen level with the left Volume control on the front panel of the MS- > 2002. If you are using a speaker, adjust the intercom listen level with the right Volume control next to the speaker. External speakers require their own volume controls.

  • Page 25: All Talk

    All Talk You can talk to all intercom stations that currently have their listen keys activated. This applies to both channels of the MS-2002, as well as all talk channels of any connected EMS-4001 Expansion Stations. To use All Talk, do the following: If you are using manual microphone activation instead of VOX, verify the proper microphone switch is turned on (either Headset or Panel Mic).

  • Page 26: Using Voice-Activated Microphone (Vox)

    Using Voice-Activated Microphone (VOX) If you use VOX, you do not have to insure the microphone key is turned on whenever you want to talk. To activate VOX, do the following: Verify the Headset and Panel Mic keys are off. If you are using a headset, tap the Headset key twice to turn on headset VOX.

  • Page 27: Specifications

    Specifications General Power Requirements: AC Input: 100-240VAC, 50/60Hz Channel Power: 24VDC nominal (12 to 30 VDC), 65 to 150mA MS2002 is capable of supplying 2 amps overall (1 Amp per channel) Dimensions: 1.75” (44.5mm) high x 19” (483mm) wide x 10.31” (261.9mm) deep Weight: Approximately 4.5lb.
  • Page 28 Connector Type: Uses same connectors as for balanced mode, above, but without pinouts modified by BAL/UNBAL switch on back panel as follows XLR-3 Unbalanced Configuration Pinouts Pin 1 Common Pin 2 +24 VDC input Pin 3 Intercom audio high XLR-6 Unbalanced Configuration Pinouts Pin 1 Common Pin 2 Local Power (12 to 15 VDC, 65 to 150mA)

  • Page 29: Quick Reference

    Quick Reference Description Reset MS-2002 Reset EMS-4001 Test signal on Test signal off Mic latched on Mic latched off Mic momentary on VOX mode on VOX mode off All talk on All talk off Public address Mic kill, one channel Mic kill, all channels Program ON Program off...

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