System Interconnects; Pin Function List - Garmin GTX 32 Installation Manual

4

SYSTEM INTERCONNECTS

4.1

Pin Function List

4.1.1 P3271
1
Pin Pin Name
1 XPDR RE MOTE POWER OFF
2 RS-232 IN 2
3 ALTITUDE A1
4 ALTITUDE C2
5 ALTITUDE A2
6 ALTITUDE A4
7 ALTITUDE C4
8 EXTERNAL IDENT SELECT*
9 ALTITUDE B1
10 ALTITUDE C1
11 ALTITUDE B2
12 ALTITUDE B4
13 POWER GROUND
14 SWITCHED POWER OUTPUT
15 AIRCRAFT POWER 1
16 XPDR SYSTEM ID PROGRAM*
17 EXTERNAL SUPPRESSION I/O
18 ALTITUDE D4
19 RS-232 IN 1
20 RS-232 OUT 1
21 (RESERVED FOR SOFTWARE UPLOAD)
22 AIRBORNE SENSE (SQUAT SWITCH)
23 AIRCRAFT POWER 2
24 RS-232 OUT 2
25 SIGNAL GROUND
* Denotes Active Low (Ground to activate).
GTX 32 Installation Manual
190-00303-60
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14
Figure 4-1. Rear Connector, J3271
Table 4-1. P3271 Pin Assignments
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13
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25
I/O
In
In
In
In
In
In
In
In
In
In
In
In
--
Out
In
In
I/O
In
In
Out
--
In
In
Out
--
Page 4-1
Revision F