Garmin GTX 33 Installation Manual - Page 39
SYSTEM INTERCONNECTS, 4.1 Pin List, P3301 Connector
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4 SYSTEM INTERCONNECTS 4.1 Pin List 4.1.1 P3301 Connector Figure 4-1. View of J3301 connector from back of unit Table 4-1. P3301 Pin List Pin Pin Name 1 RESERVED 2 ALTITUDE A1 3 ALTITUDE C2 4 ALTITUDE A2 5 ALTITUDE A4 6 ALTITUDE C4 7 ALTITUDE B1 8 ALTITUDE C1 9 ALTITUDE B2 10 ALTITUDE B4 11 ALTITUDE D4 12 EXTERNAL IDENT SELECT* 13 EXTERNAL STANDBY SELECT* 14 NOT USED 15 AUDIO OUT HI 16 AUDIO OUT LO 17 SQUAT SWITCH IN 18 RESERVED 19 ALTITUDE ALERT ANNUNCIATE* 20 RESERVED 21 AIRCRAFT POWER 1 22 RS-232 IN 1 190-00906-00 Rev. F I/O In In In In In In In In In In In In In In Out Out In -Out -In In GTX 33 Installation Manual Page 4-1
190-00906-00
GTX 33 Installation Manual
Rev. F
Page 4-1
4
SYSTEM INTERCONNECTS
4.1
Pin List
4.1.1
P3301 Connector
Figure 4-1. View of J3301 connector from back of unit
Table 4-1.
P3301 Pin List
Pin
Pin Name
I/O
1
RESERVED
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
NOT USED
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