Page 4-4
GMA 1347D Installation Manual
Revision C
190-00303-21
Table 4-2. J3472 Pin Assignments
Pin Pin
Name I/O
1 RESERVED
--
2 RESERVED
--
3 PROGRAM
GROUND
--
4 RESERVED
--
5 PROGRAM
GROUND
--
6
RS-232 OUT 1
Out
7
RS-232 IN 1
In
8
ON-SIDE COM MIC DIGITAL AUDIO OUT
Out
9
ON-SIDE COM DIGITAL AUDIO IN
In
10 RESERVED
--
11 PROGRAM
GROUND
--
12 SPARE
--
13 SPARE
--
14 POWER
GROUND
--
15 RESERVED
--
16 POWER
GROUND
--
17 COM
SWAP*
In
18 PROGRAM
GROUND
--
19 SPARE
--
20 RESERVED
--
21 RESERVED
--
22 RESERVED
--
23 PROGRAM
GROUND
--
24
RESERVED (-00)
RECORER OFF SELECT* (-20)
--
In
25 PROGRAM
GROUND
--
26 RESERVED
--
27
GMA REMOTE POWER OFF
In
28
ON-SIDE NAV DIGITAL AUDIO IN
In
29
ONSIDE VOICE ALERT DIGITAL AUDIO IN
In
30
AIRCRAFT POWER 2
In
31 SPARE
--
32
AIRCRAFT POWER 2
In
33 SPARE
--
34
MIDDLE MARKER SENSE
Out
35 SPARE
--
36
REVERSIONARY MODE 1
Out
37
REVERSIONARY MODE COMMON 1
Out
* Denotes Active Low (Inputs: ground to activate; Outputs: grounded when active).
