Garmin GSU 75 - 4.3 Data Interfaces

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.