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Figure 29 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 21
Table 21 Modem cable pinouts
Nortel termination
Signal
Data Carrier Detect
Transmit Data (TXD)
Receive Data (RXD)
Data Set Ready
Data Terminal Ready
Clear to Send
Request to Send
Hardware option cards
The VPN Router 2750 provides four PCI slots that support a combination of the
following option cards:
•
•
•
•
(3.05 m)
Pin 1
Pin 6
provides the modem cable pinouts.
VPN Router Security Accelerator card
SSL VPN Module 1000
10/100BASE-TX Ethernet interface card
1000BASE-T (1000 GT) Ethernet interface card
Appendix A Technical specifications 81
10 ft
Pin 1
Pin 14
25-position D-sub plug with screw locks
(ground shield connected to backshell)
Modem termination
Pin # to Pin #
1
8
2
2
3
3
4
6
6
20
7
5
8
4
Nortel VPN Router Installation — VPN Router 2750
CAB0056A
Signal
Data Carrier Detect
Transmit Data (TXD)
Receive Data (RXD)
Data Set Ready
Data Terminal Ready
Clear to Send
Request to Send
Pin 13
Pin 25
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