Garmin G1000 Maintenance Manual page 261

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A.3 P603 (Main Serial)
Pin Pin Name
1 RESERVED
2 ETHERNET OUT A
3 ETHERNET OUT B
4 RS-485 4 A
5 RS-485 4 A
6 RS-485 4 B
7 RS-485 4 B
8 MAIN ARINC 429 IN 3 A
9 MAIN ARINC 429 IN 3 B
10 MAIN ARINC 429 IN 4 A
11 MAIN ARINC 429 IN 4 B
12 MAIN ARINC 429 IN 5 A
13 MAIN ARINC 429 IN 5 B
14 MAIN ARINC 429 IN 6 A
15 MAIN ARINC 429 IN 6 B
16 MAIN ARINC 429 IN 7 A
17 MAIN ARINC 429 IN 7 B
18 MAIN ARINC 429 IN 8 A
19 MAIN ARINC 429 IN 8 B
20 CAN BUS 1 HI
21 RESERVED
22 CAN BUS 1 LO
23 RS-485 1 A
24 RS-485 1 B
25 RS-485 2 A
26 RS-485 2 B
27 RS-485 3 A/RS-422 IN A
28 RS-485 3 B/RS-422 IN B
29 MAIN ARINC 429 IN 1 A
30 CAN BUS 2 LO
31 MAIN ARINC 429 IN 1 B
32 CAN BUS 2 HI
33 MAIN ARINC 429 IN 2 A
34 CAN BUS 1 TERMINATION
35 MAIN ARINC 429 IN 2 B
36 RS-485 5 A/RS-422 OUT A
G1000 System Maintenance Manual
190-00903-00
View of J603 connector looking at unit
60 61 62 63 64 65 66 67
40 43 44 45 46 47 48
41 42
21 22 23 24 25 26 27 28
1 2 3 4 5 6 7 8 9
68 69 70 71 72 73 74 75 76
49 50 51 52 53 54 55 56
29 30 31 32 33 34 35 36 37
10 11 12 13 14 15 16 17
77 78
58 59
57
38 39
18 19 20
I/O
--
Out
Out
I/O
I/O
I/O
I/O
In
In
In
In
In
In
In
In
In
In
In
In
I/O
--
I/O
I/O
I/O
I/O
I/O
I/O
I/O
In
I/O
In
I/O
In
--
In
I/O
Page A-5
Rev. A