190-01639-00
GSU 75 ADAHRS Installation Manual
Rev. 6
Page 4-5
4.3 Data Interfaces
4.3.1 GSU 75 ARINC 429 Input/Output
The GSU 75 provides ARINC 429 inputs/outputs conforming to ARINC Specifications 429P1-17,
429P2-16 and 429P3-18. The ARINC 429 outputs conform to ARINC 429 specifications when loaded
with up to five standard ARINC 429 receivers.
Table 4-6 GSU 75 ARINC-429
Pin Name
Pin
I/O
ARINC 429 OUT ADAHRS 1B
7
Out
ARINC 429 IN ADAHRS 2A
65
In
ARINC 429 OUT ADAHRS 2A
49
Out
ARINC 429 OUT ADAHRS 2B
50
Out
ARINC 429 IN ADAHRS 3A
47
In
ARINC 429 OUT ADAHRS 3A
8, 28*
Out
ARINC 429 OUT ADAHRS 3B
9, 29*
Out
ARINC 429 IN AHRS 1A
45
In
ARINC 429 OUT AHRS 1A
27
Out
ARINC 429 IN AHRS 1B
46
In
ARINC 429 IN AHRS 2B
66
In
ARINC 429 IN AHRS 3B
67
In
ARINC 429 IN ADC 1A
42
In
ARINC 429 OUT ADC 1A
1
Out
ARINC 429 IN ADC 1B
43
In
ARINC 429 OUT ADC 1B
2
Out
ARINC 429 IN ADC 2A
44
In
ARINC 429 OUT ADC 2A
3
Out
ARINC 429 IN ADC 2B
64
In
ARINC 429 OUT ADC 2B
23
Out
ARINC 429 IN ADC 3A
62
In
ARINC 429 OUT ADC 3A
21
Out
ARINC 429 IN ADC 3B
63
In
ARINC 429 OUT ADC 3B
22
Out
*Both pin numbers are functionally equivalent and are internally connected within the GSU 75
340095
The document reference is online, please check the correspondence between the online documentation and the printed version.
