Connector pin-outs
6.2.4 Ports A and B - RS232
These are standard DE9F (TIA-574)
sub-miniature (D-sub) sockets, conforming
to DIN 41652 and MIL-DTL-24308. They are
very widely available, as are suitable mating
connectors.
Pin
Function
1
not connected
2
RS232 TxD
3
RS232 RxD
4
not connected
5
Ground
6
not connected
7
not connected
8
not connected
9
not connected
Wiring details for the compatible
plug, DE9M, as seen from the cable
end (i.e. during assembly).
19
Issue C - March, 2018