Garmin GTX 32 Installation Manual - Page 29

SYSTEM INTERCONNECTS, Pin Function List, Pin Name

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4 SYSTEM INTERCONNECTS 4.1 Pin Function List 4.1.1 P3271 1 13 + + + + + + + + + + + + + + + + + + + + + + + 14 Figure 4-1. Rear Connector, J3271 + + 25 Table 4-1. P3271 Pin Assignments Pin Pin Name I/O 1 XPDR RE MOTE POWER OFF In 2 RS-232 IN 2 In 3 ALTITUDE A1 In 4 ALTITUDE C2 In 5 ALTITUDE A2 In 6 ALTITUDE A4 In 7 ALTITUDE C4 In 8 EXTERNAL IDENT SELECT* In 9 ALTITUDE B1 In 10 ALTITUDE C1 In 11 ALTITUDE B2 In 12 ALTITUDE B4 In 13 POWER GROUND -- 14 SWITCHED POWER OUTPUT Out 15 AIRCRAFT POWER 1 In 16 XPDR SYSTEM ID PROGRAM* In 17 EXTERNAL SUPPRESSION I/O I/O 18 ALTITUDE D4 In 19 RS-232 IN 1 In 20 RS-232 OUT 1 Out 21 (RESERVED FOR SOFTWARE UPLOAD) -- 22 AIRBORNE SENSE (SQUAT SWITCH) In 23 AIRCRAFT POWER 2 In 24 RS-232 OUT 2 Out 25 SIGNAL GROUND -- * Denotes Active Low (Ground to activate). GTX 32 Installation Manual 190-00303-60 Page 4-1 Revision F

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GTX 32 Installation Manual
Page 4-1
190-00303-60
Revision F
4
SYSTEM INTERCONNECTS
4.1
Pin Function List
4.1.1
P3271
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Figure 4-1.
Rear Connector, J3271
Table 4-1.
P3271 Pin Assignments
Pin
Pin Name
I/O
1
XPDR RE MOTE POWER OFF
In
2
RS-232 IN 2
In
3
ALTITUDE A1
In
4
ALTITUDE C2
In
5
ALTITUDE A2
In
6
ALTITUDE A4
In
7
ALTITUDE C4
In
8
EXTERNAL IDENT SELECT*
In
9
ALTITUDE B1
In
10
ALTITUDE C1
In
11
ALTITUDE B2
In
12
ALTITUDE B4
In
13
POWER GROUND
--
14
SWITCHED POWER OUTPUT
Out
15
AIRCRAFT POWER 1
In
16
XPDR SYSTEM ID PROGRAM*
In
17
EXTERNAL SUPPRESSION I/O
I/O
18
ALTITUDE D4
In
19
RS-232 IN 1
In
20
RS-232 OUT 1
Out
21
(RESERVED FOR SOFTWARE UPLOAD)
--
22
AIRBORNE SENSE (SQUAT SWITCH)
In
23
AIRCRAFT POWER 2
In
24
RS-232 OUT 2
Out
25
SIGNAL GROUND
--
*
Denotes Active Low
(Ground to activate).