System Interconnects - Garmin GTX327 Installation Manual

4

SYSTEM INTERCONNECTS

Pin
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
* Denotes Active Low (Ground to activate).
GTX 327 Installation Manual
190-00187-02
Figure 4-1. Rear Connector, J3271
Table 4-1. P3271 Pin Assignments
Pin Name
AVIONICS MASTER ON
RS-232 IN 2
ALTITUDE A1
ALTITUDE C2
ALTITUDE A2
ALTITUDE A4
ALTITUDE C4
EXTERNAL IDENT INPUT*
ALTITUDE B1
ALTITUDE C1
ALTITUDE B2
ALTITUDE B4
POWER GROUND
SWITCHED POWER OUTPUT
POWER INPUT (+11 TO +33 VDC)
EXTERNAL STANDBY*
EXTERNAL SUPPRESSION I/O
ALTITUDE D4
RS-232 IN 1
RS-232 OUT 1
(RESERVED FOR SOFTWARE UPLOAD)
AIRBORNE SENSE (SQUAT SWITCH)
28 VDC PANEL LIGHTING INPUT
14 VDC/5 VDC PANEL LIGHTING INPUT
POWER GROUND
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 K