Modem Cable Specifications; Figure 22 Modem Cable (9-Pin D-Sub Plug To Rs-232-C Modem Plug); Table 13 Modem Cable Pinouts - Nortel 600 Installing

66 Appendix A Technical specifications

Modem cable specifications

If you need to connect a modem to a Contivity 600, you must obtain an
appropriate modem cable. The modem cable must have a 9-pin D-sub plug that
connects to the Contivity 600 serial port and a 25-pin D-sub plug that connects to
the RS-232-C modem port

Figure 22 Modem cable (9-pin D-sub plug to RS-232-C modem plug)

Pin 5
Pin 9
9-position D-sub receptacle with screw locks
(ground shield connected to backshell)
Table 13

Table 13 Modem cable pinouts

Nortel Networks termination
Signal
Data Carrier Detect
Transmit Data (TXD)
Receive Data (RXD)
Data Set Ready
Data Terminal Ready
Clear to Send
Request to Send
311862-C Rev 00
(Figure
10 ft
(3.05 m)
Pin 1
Pin 6
provides the modem cable pinouts.
22).
Pin 1
Pin 14
25-position D-sub plug with screw locks
(ground shield connected to backshell)
Modem termination
Pin # to Pin # Signal
1 8 Data Carrier Detect
2 2 Transmit Data (TXD)
3 3 Receive Data (RXD)
4 6 Data Set Ready
6 20 Data Terminal Ready
7 5 Clear to Send
8 4 Request to Send
Pin 13
Pin 25
CAB0056A