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Description
The MS-2002 is a complete 2-channel master station and system power supply (24 V DC, 2 Amps total power) in a
single unit. You 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. It even has both 1-channel and 2-channel
connectors, so you don’t have to add a separate breakout box if you want to mix 1-channel and 2-channel intercom
stations. The MS-2002 fits in a standard 19-inch equipment rack and is 1 rack unit high. The basic MS-2002 can
communicate with two intercom channels. This number can be increased by connecting optional EMS4001Expansion
Stations. Each EMS4001 adds four additional channels, and up to four of these expansion stations can be connected
for a total of eighteen channels.
Features
1. DYNAMIC-MIC HEADSET CONNECTOR: Accepts headsets with monaural headphones and either a balanced or
unbalanced dynamic microphone.
2. 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.
3. VOLUME CONTROL: Adjusts headphone volume only.
4. VOX TRIMMERS: Used with the voice-activated microphone feature. Separate trimmers adjust the voice
activation level for the headset and panel microphones.
5. HEADSET AND PANEL MIC KEYS: Used to manually activate either the headset or panel microphone, whichever
is being used.
6. ALL TALK KEY: Used to talk to all stations that are listening on all channels. This includes both MS-2002
channels and all channels of any connected EMS4001 Expansion Stations.
7. PA KEY: If the MS-2002 is connected to a public address system, this key may be used to talk over the
public address system.
8. MIC KILL KEY: Used to turn off the microphones on any intercom stations on a channel. Also used to
activate the program inputs and the audible beep feature for incoming calls.
9. INTERCOM TALK KEYS: Momentary or latching (hands-free) operation possible.