GTX 320/320A Installation Manual
Page 11
190-00133-01
Rev L
PIN
DESCRIPTION
1
Not Used
2
Do Not Connect
3
Altitude A1
4
Altitude C2
5
Altitude A2
6
Altitude A4
7
Altitude C4
8
External Ident
9
Altitude B1
10
Altitude C1
11
Altitude B2
12
Altitude B4
13
Ground
14
Switched Power Output
15
Aircraft Power (+11 to +33 VDC)
16
External Standby
17
External Suppression (Suppress I/O-GTX 320A)
18
Altitude D4
19
Not Used
20
Not Used
21
Not Used
22
Not Used
23
28 V Lighting
24
14 V Lighting
25
Ground
Figure 2-1. DB-25 Pin-Out Definitions