Page A-66
G900X/G950 Installation and Maintenance Manual – Pinouts
Revision D
190-00719-00
A.6.4 Serial
Data
A.6.4.1 RS-232
Pin Name
Connector
Pin
I/O
GPS 1 RS-232 IN
P771
11
In
GPS 2 RS-232 IN
P771
6 In
SPARE RS-232 IN 1
P771
8 In
GPS 1 RS-232 OUT
P771
26
Out
GPS 2 RS-232 OUT
P771
21
Out
SPARE RS-232 OUT 1
P771
23
Out
MAGNETOMETER RS-232 OUT
P771
10
Out
GPS 1 RS-232 IN
P441
8
In
The RS-232 outputs conform to EIA/TIA-232C with an output voltage swing of at least ±5 V when
driving a standard RS-232 load.
A.6.4.2 RS-485
Pin Name
Connector
Pin
I/O
MAGNETOMETER RS-485 IN B
P771
39
In
MAGNETOMETER RS-485 IN A
P771
25 In
MAGNETOMETER GROUND
P771
40 --
RS-485 OUT A
P441
4
Out
RS-485 OUT B
P441
2
Out
A.6.4.3 ARINC 429
Pin Name
Connector
Pin
I/O
ARINC 429 OUT 3 A (CDU 1, high-speed)
P771
12
Out
ARINC 429 OUT 3 A (CDU 2, high-speed)
P771
33 Out
ARINC 429 OUT 3 B (CDU 1, high-speed)
P771
27 Out
ARINC 429 OUT 3 B (CDU 2, high-speed)
P771
19
Out
SIGNAL GROUND (CDU 1)
P771
42 --
ARINC 429 OUT 1 A (GIA 1, high-speed)
P771
14 Out
ARINC 429 OUT 2 A (GIA 2, high-speed)
P771
13
Out
ARINC 429 OUT 1 B (GIA 1, high-speed)
P771
29 Out
ARINC 429 OUT 2 B (GIA 2, high-speed)
P771
28 Out
SIGNAL GROUND (AFCS)
P771
43
--
ARINC 429 IN 1 A (AIR DATA, low-speed)
P771
15 In
ARINC 429 IN 1 B (AIR DATA, low-speed)
P771
30 In
SIGNAL GROUND (AIR DATA)
P771
44
--
SIGNAL GROUND (GPS 1)
P771
41 --
SIGNAL GROUND (GPS 2)
P771
35 --
SIGNAL GROUND
P771
37
--