GTX 330 Installation Manual Page 4-1
190-00207-02 Revision G
4 SYSTEM INTERCONNECTS
4.1 Pin Function List
4.1.1 J3301
123456789101112131415
222324252627282930313233343536
44464748495051
525354
5556
161718192021
373839404142
57
5859
6061
62
Figure 4-1. Rear Connector, J3301
Table 4-1. P3301 Pin Assignments
Pin Pin Name I/O
1 AVIONICS MASTER ON SELECT 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 28 V LIGHTING BUS HI 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
* Denotes Active Low (Ground to activate).