Garmin G3X Installation Manual page 346

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23.12.1.1 J252
Figure 23-24 J252 on GSU 25, as viewed looking at connector on unit
Pin
1
OAT POWER
2
OAT HIGH
3
OAT LOW
4
UNIT ID 1 GROUND
5
UNIT ID 1
6
+12V MAGNETOMETER POWER
7
MAGNETOMETER GROUND
8
RESERVED
9
RS-232 TX 3
10
RS-232 RX 3
11
GROUND
12
RS-485 RX A
13
RS-485 RX B
14
GROUND
15
RS-232 TX 2
190-01115-01
Rev. AA
Pin Name
G3X/G3X Touch Installation Manual - LRU Pinouts
I/O
Out
In
In
--
In
Out
--
--
Out
In
--
In
In
--
Out
Page 23-55

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