Garmin SL30 User Manual download pdf (Page 55)

Specifications

Apollo SL30 Installation Manual

SERIAL INTERFACE

RS-232...................................................... Defined in Appendix E - Serial Interface

Specifications

REAR CONNECTOR PINOUT

The SL30 includes two rear panel connectors, a 15-pin for the Comm interface connections

and a 37-pin for the rear panel connections. 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

915

Viewed from rear of unit

1 2 ... 50 51 52 53 54 55 56 57 58 59 60 ... 87 88

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Garmin SL30 User Manual Page 55