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MS-4002
Master Station and Power Supply
The MS-4002 is a complete 4-channel, balanced audio master station and 4-amp system power supply 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. The MS-4002 is now equipped with an Advanced programming Mode on the
front panel, eliminating the need for internal DIP switches. It also has a feature that automatically senses the type of headset
attached to the unit, either dynamic or electret. The MS-4002 ts in a standard 19-inch equipment rack and is 1 rack unit high.
The MS-4002 is Clear-Com compatible, with the ability to run in unbalanced mode.
Auto-Sensing Headset Connector
The MS-4002 has a built-in autosensing headset connec-
tor that will determine automatically whether a dynamic or
electret headset is connected to the system.
Speaker Station or Headset Station
Use the built-in speaker for listening and add an optional
Telex MCP-90 series Gooseneck Panel Microphone for talk-
back. You can also turn off the speaker volume, and plug in a
headset for private communication.
Voice Activated Microphone (VOX)
Separate controls adjust the voice activation level for the
headset microphone and panel microphone inputs.
Public Address (PA) Output, with PA key
Use your intercom microphone to talk over a PA system.
Back-lit Keys
Improves visibility in low-light
Incoming Call Indications
Red ashing call light, with beep tone if desired.
Mic Kill Key
You can turn off all microphones on a channel to quickly
clear the channel.
Program Input for Each Channel
Connect any line-level audio source for monitoring in the
speaker or headset, or for routing to the intercom channel.
The program audio to the channel can be set to interrupt
while the MS-4002 operator is talking on the channel.
Listening with External Powered Speakers
You can connect external powered speakers and then moni-
tor channels 1, 2, 3 and 4.
Expandable
Add more channels by connecting optional EMS-4001
Expansion Stations. Each EMS-4001 adds four additional
powered channels (up to twenty channels).
Instantaneous Auto-Reset
Instantaneous Auto Reset (IAR), the newest technology in
performance and safety, which uses a revolutionary new
circuitry that dynamically monitors line fault conditions. Then,
when the fault is removed, automatically brings individual
power supply channels up.
Clear-Com Compatible
Can run in unbalanced mode.
Features
Line Drawing