Garmin GRS 77 Installation Manual page 37

4.3.3 ARINC 429 Input/Output
Pin
12 ARINC 429 OUT 3 A (CDU 1, high-speed)
33 ARINC 429 OUT 3 A (CDU 2, high-speed)
27 ARINC 429 OUT 3 B (CDU 1, high-speed)
19 ARINC 429 OUT 3 B (CDU 2, high-speed)
42 SIGNAL GROUND (CDU 1)
14 ARINC 429 OUT 1 A (GIA 1, high-speed)
13 ARINC 429 OUT 2 A (GIA 2, high-speed)
29 ARINC 429 OUT 1 B (GIA 1, high-speed)
28 ARINC 429 OUT 2 B (GIA 2, high-speed)
43 SIGNAL GROUND (AFCS)
15 ARINC 429 IN 1 A (AIR DATA, low-speed)
30 ARINC 429 IN 1 B (AIR DATA, low-speed)
44 SIGNAL GROUND (AIR DATA)
41 SIGNAL GROUND (GPS 1)
35 SIGNAL GROUND (GPS 2)
37 SIGNAL GROUND
4.3.4 Configuration Module Connections
The configuration module, mounted in the unit connector backshell, contains an EEPROM.
Table 4-7. Configuration Module Connections, P771
Pin
1 CONFIG MODULE GROUND
16 CONFIG MODULE DATA
17 CONFIG MODULE POWER OUT
31 CONFIG MODULE CLOCK
GRS 77/GMU 44 Installation Manual
190-00303-10
Table 4-6. ARINC 429 Pin Assignments, P771
Pin Name
Pin Name
Description
Data Out
Data Out
Data Out
Data Out
Ground
Data Out
Data Out
Data Out
Data Out
Ground
Data In
Data In
Ground
Ground
Ground
Ground
Description
Ground
Data In /Out
Power
Clock Output
I/O
Out
Out
Out
Out
--
Out
Out
Out
Out
--
In
In
--
--
--
--
I/O
--
I/O
Out
Out
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