J1003
(GTN)
1
2
3
4
5
6
7
8
9
10
11
13
14
15
12
16
17
19
20
18
21
25
24
23
22
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
190-01007-01
GTN 725/750 Maintenance Manual
Rev. 5
Page A-6
A.3 J1003 COM Connector (GTN 750 Only)
(View looking at rear of unit, Pin1 is top right)
Pin
Pin Name
I/O
1
RESERVED
--
2
RESERVED
--
3
RESERVED
--
4
RESERVED
--
5
COM MIC 1 AUDIO IN HI
In
6
RESERVED
--
7
500
Ω
COM AUDIO HI
Out
8
RESERVED
--
9
RESERVED
--
10
RESERVED
--
11
COM MIC 1 KEY*
In
12
RESERVED
--
13
RESERVED
--
14
RESERVED
--
15
RESERVED
--
16
RESERVED
--
17
RESERVED
--
18
500
Ω
COM AUDIO LO
--
19
RESERVED
--
20
MIC AUDIO IN LO
In
21
RESERVED
--
22
RESERVED
--
23
RESERVED
--
24
RESERVED
--
25
RESERVED
--
26
RESERVED
--
27
COM REMOTE TRANSFER*
In
28
COM REMOTE TUNE UP*
In
29
COM REMOTE TUNE DOWN*
In
30
AIRCRAFT POWER
In
31
RESERVED
--
32
RESERVED
--
33
RESERVED
--
34
RESERVED
--