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2.6 Microphone
A maximum of 6 microphones can be connected, to TB6 thru TB11 in the DCU. A dual twisted,
balanced cable carries the following signals:
+: 24 VDC (+)
A: Audio signal line, balanced, 0 dBm
B: Audio signal line, balanced, 0 dBm
-: 24 VDC (-)
MIC1 audio is mixed with MIC2 audio, MIC3 with MIC4, and MIC5 with MIC6, respectively.
CAUTION: Turn off the DCU before connecting a microphone, to prevent damage to the
microphone.
2.6.1 VR-5011
- Refer to page 19 for cable fabrication.
- Connect shield to screw on chassis as shown.
- Tape fabricated part of cable with vinyl tape.
After installing microphones, test them
to make sure they are not picking up
noise and that the sound quality is good.
NOTICE
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