Garmin GSU 75 User Manual

190-01639-00 GSU 75 ADAHRS Installation Manual
Rev. 6 Page 4-1
4 SYSTEM INTERCONNECTS
4.1 Pin Function List
4.1.1 GSU 75 J751 Connector
Figure 4-1 View of J751 connector looking at back of GSU 75
Table 4-1 J751 Connector
Pin Pin Name I/O
1
ARINC 429 OUT ADC 1A Out
2
ARINC 429 OUT ADC 1B Out
3
ARINC 429 OUT ADC 2A Out
4
OAT LO In
5
OAT HI In
6
OAT POWER Out
7
ARINC 429 OUT ADAHRS 1B Out
8
ARINC 429 OUT ADAHRS 3A Out
9
ARINC 429 OUT ADAHRS 3B Out
10
RS-422 IN A In
11
RS-422 IN B In
12
RS-232 OUT AHRS 3 Out
13
MAGNETOMETER POWER OUT Out
14
AIRCRAFT POWER 1 In
15
SIGNAL GROUND --
16
AIRCRAFT POWER 2 In
17
RS-232 OUT ADC 2 Out
18
RS-232 IN ADC 2 In
19
RESERVED --
20
RESERVED --
21
ARINC 429 OUT ADC 3A Out
22
ARINC 429 OUT ADC 3B Out
23
ARINC 429 OUT ADC 2B Out
24 SIGNAL GROUND --
25 PPS SELECT In
26 SIGNAL GROUND --
*Indicates active low
1 2 3 4 5 6 7 8 9 10 11121314151617181920
21 22 23 24 25 26 27
28 29
30 31 32 33 34 35 36 37 38 39
40
41 42
43 44 45 46 47 48 49 50 51 52 53 54 55 56
57
58 59
60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78
340095
The document reference is online, please check the correspondence between the online documentation and the printed version.

Garmin GSU 75 Specifications

General

Brand	Garmin
Model	GSU 75
Category	Avionics Display
Language	English