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Page A-64
G900X/G950 Installation and Maintenance Manual – Pinouts
Revision D
190-00719-00
A.6 GRS 77/GMU 44
A.6.1 P771
Connector
View of J771 connector looking at rear of unit.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
Pin Pin
Name
I/O
1 CONFIG
MODULE
GROUND
--
2
AHRS SYSTEM ID PROGRAM* 1
In
3
AHRS SYSTEM ID PROGRAM* 2
In
4 RESERVED
--
5 SPARE
--
6
GPS 2 RS-232 IN
In
7 RESERVED
--
8
SPARE RS-232 IN 1
In
9
MAGNETOMETER POWER OUT
Out
10
MAGNETOMETER RS-232 OUT
Out
11
GPS 1 RS-232 IN
In
12
ARINC 429 OUT 3 A (CDU 1, high-speed)
Out
13
ARINC 429 OUT 2 A (GIA 2, high-speed)
Out
14
ARINC 429 OUT 1 A (GIA 1, high-speed)
Out
15
ARINC 429 IN 1 A (AIR DATA, low speed)
In
16 CONFIG
MODULE
DATA
I/O
17
CONFIG MODULE POWER OUT
Out
18 AIRCRAFT
POWER
1
In
19
ARINC 429 OUT 3 B (CDU 2, high-speed)
Out
20 AIRCRAFT
POWER
2
In
21
GPS 2 RS-232 OUT
Out
22 POWER
GROUND
--
23
SPARE RS-232 OUT 1
Out
24 POWER
GROUND
--
25
MAGNETOMETER RS-485 IN A
In
26
GPS 1 RS-232 OUT
Out
27
ARINC 429 OUT 3 B (CDU 1, high-speed)
Out
28
ARINC 429 OUT 2 B (GIA 2, high-speed)
Out
29
ARINC 429 OUT 1 B (GIA 1, high-speed)
Out
30
ARINC 429 IN 1 B (AIR DATA, low-speed)
In
31 CONFIG
MODULE
CLOCK
Out
32 SPARE
--
33
ARINC 429 OUT 3 A (CDU 2, high-speed)
Out
34 SPARE
--
35
SIGNAL GROUND (GPS 2)
--
36 SPARE
--
37 SIGNAL
GROUND
--
38 SIGNAL
GROUND
(MAGNETOMETER)
--
39
MAGNETOMETER RS-485 IN B
In