Page A-68
G900X/G950 Installation and Maintenance Manual – Pinouts
Revision D
190-00719-00
A.7 GTX
33
A.7.1 P3301
Connector
View of J3301 connector looking at rear of unit.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
44
46
47
48
49
50
51
52
53
54
55
56
16
17
18
19
20
21
37
38
39
40
41
42
57
58
59
60
61
62
Pin Pin
Name
I/O
1 RESERVED
In
2 ALTITUDE
A1
In
3 ALTITUDE
C2
In
4 ALTITUDE
A2
In
5 ALTITUDE
A4
In
6 ALTITUDE
C4
In
7 ALTITUDE
B1
In
8 ALTITUDE
C1
In
9 ALTITUDE
B2
In
10 ALTITUDE
B4
In
11 ALTITUDE
D4
In
12 EXTERNAL
IDENT
SELECT*
In
13
EXTERNAL STANDBY SELECT*
In
14 NOT
USED
In
15
AUDIO OUT HI
Out
16
AUDIO OUT LO
Out
17
SQUAT SWITCH IN
In
18 RESERVED
--
19 ALTITUDE
ALERT
ANNUNCIATE*
Out
20 RESERVED
--
21 AIRCRAFT
POWER
1
In
22
RS-232 IN 1
In
23
RS-232 OUT 1
Out
24
RS-232 IN 2
In
25
RS-232 OUT 2
Out
26
ARINC 429 IN 3 A
In
27 POWER
GROUND
--
28
ARINC 429 OUT 2 B
Out
29
ARINC 429 IN 3 B
In
30
ARINC 429 OUT 2 A
Out
31 EXTERNAL
SUPPRESSION
I/O
I/O
* Indicates Active Low
