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).
