Videoswitch Vi200 - Manual (Page 47)

Digital Recorder
41
14.4.3 PSTN/ISDN Modem
Physical: 9-way D-type (female)
Electrical: RS232
5 4
9
3
8
2 1
7 6
Pin Number Signal In/Out
1 DCD In
2 RXD In
3 TXD Out
4 DTR Out
5 GND In/Out
6 +8V Out
7 RTS Out
8 CTS In
9 RI In