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3.2.4 Microphone Wiring (AV-VBM only)
To allow for live voice communications, the AV-VBM audio panel w/microphone has a 6-way ribbon cable that is
prewired from an AV-MIC microphone assembly, located on the AV-VBM inner door, to the AV-AMP-80 audio
amplifier module input connector PL2 (see figure 8). This connection not only allows for live voice communications,
but also monitors the AV-VBM microphone for both placement and open microphone condition.
Figure 8 – AV-MIC Microphone Assembly Wiring
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