Clear-Com BS200 - Manual (Page 25)

INTERCOM AND AUXILIARY EQUIPMENT SETUPS
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Rear Panel
Front Panel
2-Wire Intercom
Step 1. If using a 2-wire intercom, plug it into the base station at #27 or #29, depending on whether a male or
female connection is required.
Step 2. Depending on whether you are using a Clear-Com® or RTS® compatible 2-wire intercom system, position
the CLEAR-COM / RTS TW button (#24) as follows:
In position = RTS
®
Mode Out position = Clear-Com® Mode
Step 3. If you selected RTS TW, position the RTS CHANNEL select button (#25) to the desired channel as follows:
Out position = Channel 1 In position = Channel 2
Step 4. Press the 2W/4W button (#18) on the front panel of the base station. The 2W and 4W lights (#7 & #8)
above the button should go on. Turn the Beltpac/Headset/Speaker Station power on. Press the IC button on
the Beltpac/Headset/Speaker Station and speak into the microphone. If you hear a delayed echo of your
voice, adjust the NULL control (#28) while you are speaking, until the echo is eliminated.
4-Wire Intercom
Step 1. If using only a 4-wire intercom, plug it into the 4-WIRE connector (#30).
Step 2. Press the 4W ONLY button (#19). The 4W light (#7) above the button should go on.
Step 3. Adjust the NULL control (#28) while you are speaking, until the echo is eliminated.
Step 4. Adjust the 4-wire intercom send and receive levels with the SND and RCV controls (#8).
Pin designations for the RJ45
4-WIRE connector are as follows:
Pins 1, 2, 7 & 8 = N/C
Pin 3 = Intercom Out +
Pin 4 = Intercom In +
Pin 5 = Intercom In –
Pin 6 = Intercom Out –
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NOTE: If no 2-wire intercom will be used, you must press the 4W ONLY button (#19), or a squeal
will be heard in the headsets.
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