Nortel Networks 2700 Benutzerhandbuch
Appendix A Technical specifications 89
Nortel VPN Router Installation — VPN Router 2700
The cable operates properly if you do not connect pins 3, 4, 5, and 6.
provides the 56/64K CSU/DSU cable pinouts for a straight-through
connection.
Table 24
56/64K CSU/DSU cable pinouts for crossover connection
Nortel termination
Remote termination
Signal
Pin # to Pin #
Signal
Transmit tip
1
7
Receive tip
Transmit ring
2
8
Receive ring
not used
3
3
not used
not used
4
4
not used
not used
5
5
not used
not used
6
6
not used
Receive tip
7
1
Transmit tip
Receive ring
8
2
Transmit ring
Caution: For crossover connections, do not use Ethernet cable. If you
use Ethernet cable, the link cannot be established.
use Ethernet cable, the link cannot be established.
Table 25
56/64K CSU/DSU cable pinouts for straight-through connection
Nortel termination
Remote termination
Signal
Pin # to Pin #
Signal
Transmit tip
1
1
Transmit tip
Transmit ring
2
2
Transmit ring
not used
3
3
not used
not used
4
4
not used
not used
5
5
not used
not used
6
6
not used
Receive tip
7
7
Receive tip
Receive ring
8
8
Receive ring