Page 4-2 GMA 1347D Installation Manual
Revision C 190-00303-21
Table 4-1. J3471 Pin Assignments
Pin Pin Name I/O
1
FAIL SAFE WARN AUDIO IN (-00)
FAIL SAFE PILOT SUMMED AUDIO OUT HI (-20)
In
Out
2 OXYGEN MASK MIC SELECT* In
3 TEL RINGER AUDIO IN HI In
4 TEL RINGER AUDIO IN LO In
5 REMOTE PASS ICS OUT HI Out
6 ON-SIDE NAV AUDIO IN HI In
7 ON-SIDE COM AUDIO IN HI In
8 ON-SIDE COM AUDIO LO I/O
9 PILOT HEADSET AUDIO OUT LEFT Out
10 PILOT HEADSET AUDIO OUT RIGHT Out
11 PILOT HEADSET AUDIO OUT LO Out
12 CROSS-SIDE COM AUDIO IN HI In
13 CROSS-SIDE COM AUDIO LO I/O
14 CROSS-SIDE NAV AUDIO IN HI In
15 DME AUDIO IN HI In
16 DME AUDIO IN LO In
17 MUSIC IN 1 LEFT In
18 MUSIC IN 1 RIGHT In
19 UNSWITCHED AUDIO IN 1 HI In
20 UNSWITCHED AUDIO IN 2 HI In
21 REMOTE CREW ICS AUDIO IN HI In
22 REMOTE CREW ICS AUDIO IN LO In
23 TEL MIC AUDIO OUT HI Out
24 PASS ICS KEY* In
25 ON-SIDE NAV AUDIO IN LO In
26 ON-SIDE COM MIC AUDIO OUT HI Out
27 ON-SIDE COM MIC KEY* Out
28 PILOT MIC AUDIO IN HI In
29 PILOT MIC KEY* IN In
30 PILOT MIC IN LO In
31 PILOT ICS KEY* In
32 CROSS-SIDE COM MIC AUDIO OUT HI Out
33 CROSS-SIDE COM MIC KEY* Out
34 CROSS-SIDE NAV AUDIO IN LO In
35 ADF AUDIO IN HI In
36 ADF AUDIO IN LO In
37 MUSIC IN 1 LO In
* Denotes Active Low (Inputs: ground to activate; Outputs: grounded when active).
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