Garmin G3X Touch Installation Manual page 319

Pin
25 CDU SYSTEM ID PROGRAM* 3
26 28V LIGHTING BUS HI
27 SIGNAL GROUND
28 CAN BUS TERMINATION
29 RS-232 IN 3
30 RS-232 OUT 2
31 AIRCRAFT POWER 2
32 AIRCRAFT POWER 1
33 CONFIG MODULE CLOCK
34 SIGNAL GROUND
35 SIGNAL GROUND
36 SIGNAL GROUND
37 SIGNAL GROUND
38 SPARE
39 SPARE
40 SPARE
41 SPARE
42 CDU SYSTEM ID PROGRAM* 4
43 14V LIGHTING BUS HI
44 SIGNAL GROUND
45 CAN BUS LO
46 CAN BUS HI
47 RS-232 IN 1
48 RS-232 OUT 1
49 CONFIG MODULE GROUND
50 CONFIG MODULE DATA
*Indicates Active Low
NOTE
The GDU 37X rear connector (J3701) is electrically isolated. For installations using
shielded cables, a ground pin must be tied to the connector shell.
190-01115-01
Rev. AC
Pin Name
G3X/G3X Touch Installation Manual - LRU Pinouts
I/O
In
In
--
--
In
Out
In
In
I/O
--
--
--
--
--
--
--
--
In
In
--
I/O
I/O
In
Out
--
I/O
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