Setup and Connection
Audio cable (wires)
Audio In
Audio Out
Ground
(Optional) Add wires between the Micro-Fit plug and the radio connector plug
to implement additional features. Consult the documentation of your radio to
learn about supported GPIO pin functions.
(Optional) Connect external hardware (sensors, controllers) to the I/O pins of
the Micro-Fit plug.
Example
The following diagram shows how to assemble the service cable for a Motorola
CM140 two-way radio.
Figure 11: Connecting wires to the Micro-Fit plug and to the radio connector plug
Table 9: Audio cable – required links
Radio connector pin (function)
RX AUDIO
EXT MIC AUDIO (TX AUDIO)
AUDIO GND
17
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