190-00734-11
GTX 330/33 with ADS-B Out
Rev. 1
Maintenance Manual with ICA
5-7
Table 14. Discrete Inputs
Pin Name
Pin Number
I/O
Unit
(33/330)
AVIONICS MASTER ON SELECT
1
In
330 Only
EXTERNAL IDENT SELECT*
12
In
Both
EXTERNAL STANDBY SELECT*
13
In
Both
SQUAT SWITCH IN
17
In
Both
TIS CONNECT SELECT*
46
In
Both
AUDIO MUTE SELECT*
47
In
Both
* This output is considered active if either the voltage to ground is < 1.9 VDC or the resistance to
ground is < 375
Ω
. This output is considered inactive if the voltage to ground is 11-33 VDC.
5.3.5 RS-232
INPUT/OUTPUT
Table 15. RS-232 Connections
Pin Name
Pin Number
I/O
Unit
(33/330)
RS-232 OUT 1
23
Out
Both
RS-232 IN 1
22
In
Both
RS-232 OUT 2
25
Out
Both
RS-232 IN 2
24
In
Both
5.3.6 ARINC 429 INPUT/OUTPUT
Table 16. Arinc 429 Connections
Pin Name
Pin Number
I/O
Unit
(33/330)
ARINC 429 OUT 1A
37
Out
Both
ARINC 429 OUT 1B
34
Out
Both
ARINC 429 IN 1A
32
In
Both
ARINC 429 IN 1B
35
In
Both
ARINC 429 IN 2A
33
In
Both
ARINC 429 IN 2B
36
In
Both
ARINC 429 OUT 2A
30
Out
Both
ARINC 429 OUT 2B
28
Out
Both
ARINC 429 IN 3A
26
In
Both
ARINC 429 IN 3B
29
In
Both
ARINC 429 IN 4A
48
In
Both
ARINC 429 IN 4B
49
In
Both
The document reference is online, please check the correspondence between the online documentation and the printed version.
