Garmin G3X - E.4 Pinouts; E.4.1 J3701 Connector

190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page E-6
E.4 Pinouts
E.4.1 J3701 Connector
Figure E-4 J3701 on GDU 37X, as viewed looking at connector on 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 RESERVED FOR FUTURE DEVELOPMENT, DO NOT USE --
12 RESERVED FOR FUTURE DEVELOPMENT, DO NOT USE --
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 --
*Indicates Active Low
PIN 1
PIN 17
PIN 18
PIN 33
05 NIP43 NIP