Grass Valley SMS-6000 Series - Manual (Page 30)

1-13
Serial Interface SMS–CSI
The interface connector on the router is a D9 socket using Table 1-3 pinouts.
Table 1-4 pinout is normally used on personal computers, but check your
own computer's documentation.
Table 1-3. RS232 and RS422 Cable Connections
RS232 RS422
Pin # Signal Pin # Signal
1 GND 1 GND
2 RTS 2 TX–
3 TXD 3 RX+
4 0V 4 RX 0V
5 24V High 5 24V High
6 0V 6 TX 0V
7 TXD 7 TX+
8 CTS 8 RX–
9 not used 9 not used
Table 1-4. Personal Computer Cable Connections
9-Pin D Connector 25-Pin D Connector
Pin # Signal Pin # Signal
1 DCD 2 TXD
2 RXD 3 RXD
3 TXD 4 RTS
4 DTR 5 CTS
5 GND 6 DSR
6 DSR 7 GND
7 RTS 8 DCD
8 CTS 20 DTR
9 RI 22 RI