Garmin GNC 420AW Installation Manual - page 64
Page 4-2
400W Series Installation Manual
Rev. G
190-00356-02
Pin Pin
Name I/O
42
GPS RS-232 IN 3
In
43
MAIN OBI CLOCK
Out
44
MAIN OBI DATA
Out
45
MAIN OBI SYNC
Out
46
GPS ARINC 429 OUT A
Out
47
GPS ARINC 429 OUT B
Out
48
GPS ARINC 429 IN 1 A
In
49
GPS ARINC 429 IN 1 B
In
50
GPS ARINC 429 IN 2 A
In
51
GPS ARINC 429 IN 2 B
In
52 RESERVED
--
53 RESERVED
--
54
GPS RS-232 OUT 4
Out
55
GPS RS-232 IN 4
In
56
GPS RS-232 OUT 1
Out
57
GPS RS-232 IN 1
In
58
GPS RS-232 OUT 2
Out
59
GPS RS-232 IN 2
In
60
ALTITUDE COMMON (GROUND)
Out
61 ALTITUDE
C4
In
62 ALTITUDE
C2
In
63 ALTITUDE
C1
In
64 ALTITUDE
B4
In
65 ALTITUDE
B2
In
66 ALTITUDE
B1
In
67 ALTITUDE
A4
In
68 ALTITUDE
A2
In
69 ALTITUDE
A1
In
70 ALTITUDE
D4
In
71
OBS MODE SELECT
In
72
AIRCRAFT POWER 2
In
73
CDI SOURCE SELECT
In
74
COM REMOTE RECALL [1]
In
75
DEMO MODE SELECT
In
76 RESERVED
--
77 AIRCRAFT
GROUND
--
78 AIRCRAFT
GROUND
--
[1] Main software version 3.00 or later