Nortel CMTS 1000 Install Manual page 95

Figure 4-1 DB9 F/F Null Modem Cable Pinout
302693-B Rev 00
1
2
3
4
DCE
5
6
7
8
9
1 DCD - Data Carrier Detect
2 RD - Receive Data
3 TD - Transmit Data
4 DTR - Data Terminal Ready
5 SG - Signal Ground
6 DSR - Data Set Ready
7 RTS - Request to Send
8 CTS - Clear to Send
9 RI - Ring Indicator
1
2
3
DCE
4
5
6
7
8
9
Troubleshooting
4-3