Instruction Manual
Board Interfaces 23
cPCI-6525
COM1 (CN7, RJ-45)
COM1 RJ-45 to DB-9 Cable
Pin # RS-232 RS-422 RS-485
1 DCD# TX- Data-
2RTS# — —
3DSR# — —
4TXD RX+ —
5 RXD TX+ Data+
6GND — —
7CTS# — —
8DTR#L RX- —
Pin # RS-232 RS-422 RS-485
1 DCD# TX- Data-
2 RXD TX+ Data+
3TXD RX+ —
4DTR#L RX- —
5GND — —
6DSR# — —
7RTS# — —
8CTS# — —
9— — —
18
1
5
6