G300 Installation Manual – Pinouts
Page A-1
190-00921-01
Revision A
APPENDIX A G300 Pinouts
A.1
GDU 37X
A.1.1
P3701 Connector
PIN 1
PIN 17
PIN 18
PIN 33
PIN 34
PIN 50
Figure A-1. View of J3701 Connector from Back of Unit
Pin Pin
Name
I/O
1
MONO AUDIO OUT HI
Out
2
STEREO AUDIO OUT LO
--
3
STEREO AUDIO OUT LEFT
Out
4 SPARE
--
5 SPARE
--
6 SPARE
--
7 SPARE
--
8 SPARE
--
9
CDU SYSTEM ID PROGRAM* 2
In
10
CDU SYSTEM ID PROGRAM* 1
In
11
RS-422 OUT A
Out
12
RS-422 OUT B
Out
13
RS-232 OUT 3
Out
14
RS-232 IN 2
In
15 POWER
GROUND
--
16 POWER
GROUND
--
17
CONFIG MODULE POWER OUT
Out
18
MONO AUDIO OUT LO
--
19
STEREO AUDIO OUT RIGHT
Out
20
STEREO AUDIO OUT LO
--
21 SPARE
--
22 SPARE
--
23 SPARE
--
24 SPARE
--
25
CDU SYSTEM ID PROGRAM* 3
In
26
28V LIGHTING BUS HI
In
27 SIGNAL
GROUND
--
28
CAN BUS TERMINATION
--
29
RS-232 IN 3
In
30
RS-232 OUT 2
Out
31 AIRCRAFT
POWER
2
In
32 AIRCRAFT
POWER
1
In
* Indicates Active Low
