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1
Ethernet port
TD+
14
Signal Ground
PGND
13
Ethernet port
RD-
12
Ethernet port
RD+
11
RS232 receiving RXD
RX
10
RS232 receiving RXD
TX
Picture2-4 I/O interface aviation port number chart
2.3.2 I/O aviation port chart
I/O aviation port definition as per in chart 2-2:
Chart 2-2 I/O port signal function definition
PIN No.
Description
PIN definition
9
Relay 1 output port
R1
8
Relay 1 output port
L1
