Garmin GIA 63 Installation Manual page 104

4.4.1.2 RS-485/422
Pin Name
RS-485 3 A/RS-422 IN A
RS-485 3 B/RS-422 IN B
RS-485 5 A/RS-422 OUT A
RS-485 5 B/RS-422 OUT B
RS-485 1 A
RS-485 1 B
RS-485 2 A
RS-485 2 B
RS-485 4 A
RS-485 4 A
RS-485 4 B
RS-485 4 B
The GIA 63(X) contains a total of 5 channels of RS-485 serial data communications. Any two of these
channels can also be configured as one RS-422 channel to allow for system flexibility. These data busses
conform to EIA standard RS-485, or RS-422, depending on which mode they are currently operating in.
GIA 63 Installation Manual
Page 4-20
Table 4-12. RS-485/422
Connector Pin
P603 27
P603 28
P603 36
P603 37
P603 23
P603 24
P603 25
P603 26
P603 4
P603 5
P603 6
P603 7
190-00303-05
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Rev. Y