90
Appendix A Technical specifications
NN46110-318 02.01
Table 24
provides the 56/64K CSU/DSU cable pinouts for a crossover
connection.
The cable operates properly if you do not connect pins 3, 4, 5, and 6.
Table 25
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
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
Содержание 2750
Страница 6: ...6 NN46110 318 02 01 ...
Страница 10: ...10 Contents NN46110 318 02 01 Index 103 ...
Страница 16: ...16 New in this release NN46110 318 02 01 ...
Страница 20: ...20 How to get help NN46110 318 02 01 ...
Страница 34: ...34 Chapter 1 Installing the Nortel VPN Router 2750 chassis NN46110 318 02 01 ...
Страница 52: ...52 Chapter 2 Cabling the VPN Router and turning the power on NN46110 318 02 01 ...
Страница 76: ...76 Chapter 4 Installing option cards and DIMMs NN46110 318 02 01 ...
Страница 108: ...108 Index NN46110 318 02 01 X X 21 WAN interface card See single V 35 X 21 WAN interface card ...