TX56/56A and TX57/57A Installation Manual
5 April 2022
01776-00-01
Issue AD
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Page 22
Trig Avionics
Pin Signal
Direction
1
Aircraft Power (DC)
-
2
Reserved
Input
3
Reserved
Output
4
Nav Audio
Output
5
Nav Audio Ground
-
6
Nav Right+
Output
7
Nav Left-
Output
8
Glideslope Up+
Output
9
Glideslope Down-
Output
10
To/From Flag +
Output
11
To/From Flag -
Output
12
Nav Valid Flag +
Output
13
Nav Valid Flag Ground
-
14
VOR/LOC Composite
Output
15
Composite Ground
-
16
Switched Power (500 mA)
Output
17
Power Ground
-
18
System Ground
-
19
System Ground
-
20
System Ground
-
21
System Ground
-
22
Power Control (50 mA)
Output
