Apollo GX50 GPS - Rear Connector Pinout

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Specifications

36 Apollo GX50/60/65 Installation Manual

REAR CONNECTOR PINOUT

The GX60/65 includes two rear panel connectors, a 15 pin for the comm interface connections

and a 37 pin for the GPS navigation connections. The GX50 uses only the 37 pin connector.

The pinout for the connectors is listed in the following tables.

Table 2 Comm Interface Connector Pinout

Pin # I/O Connection Function

1 I Power + main DC power input

2 I Reserved do not connect

3 O Reserved do not connect

4 I TxKey transmit enable key, pulled low to transmit

5 -- NC do not connect

6 O Speaker speaker terminal output

7 I Mic ground microphone input ground connection

8 I Mic 1 microphone input #1

9 I Power ground main power ground input

10 I Reserved do not connect

11 O Reserved do not connect

12 I Intercom select intercom function select, pulled low to turn on the intercom

function

13 O Audio ground speaker and headphone ground connection

14 O Headphone headphone terminal output

15 I Mic 2 microphone input #2