Operations Manual
PCCOM PCI 8 port universal RS232 card
DECISION Computer International
17
6.2 Null Modem Connections: RS232
If the software supplier or operating system does not specify a
particular cable configuration, we recommend you use the following
“null modem” cable when XON/XOFF is utilized.
HOST
REMOTE
2
3
3
2
4
4
5
5
6
6
7
7
8
8
If hardware handshaking is necessary, use the following cable:
HOST
REMOTE
2
3
3
2
4
6
6
4
5
5
7
7
8
8
