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Appendix A Technical specifications
95
Nortel VPN Router Installation — VPN Router 1750
Table 30
provides the T1/E1 CSU/DSU cable pinouts for a straight-through
connection.
Quad T1/E1 CSU/DSU WAN interface card
The quad T1/E1 CSU/DSU WAN interface card has four connectors that provide
the signals needed to interface to T1 or E1 equipment.
Figure 41
shows the quad
T1/E1 CSU/DSU WAN interface card.
Figure 41
Quad T1/E1 CSU/DSU WAN interface card
Each connector on the quad T1/E1 CSU/DSU WAN interface card accommodates
an 8-pin RJ-48 modular patch cord. These cables are commonly sold as Category
5, or Ethernet, cables.
Table 30
T1/E1 CSU/DSU cable pinouts for straight-through connection
Nortel termination
Remote termination
Signal
Pin # to Pin #
Signal
Receive A (RXDA)
1
1
Receive A (RXDA)
Receive B (RXDB)
2
2
Receive B (RXDB)
not used
3
3
not used
Transmit B (TXDB)
4
4
Transmit B (TXDB)
Transmit A (TXDA)
5
5
Transmit A (TXDA)
not used
6
6
not used
not used
7
7
not used
not used
8
8
not used
Note:
Nortel does not supply cables with the quad T1/E1 CSU/DSU
interface card.
CS160012A
Summary of Contents for 1750
Page 6: ...6 NN46110 316 02 01 ...
Page 10: ...10 Nortel VPN Router Installation VPN Router 1750 HSSI WAN interface card 100 Index 103 ...
Page 16: ...16 New in this release NN46110 316 02 01 ...
Page 20: ...20 How to get help NN46110 316 02 01 ...
Page 50: ...50 Chapter 2 Installing the Nortel VPN Router 1750 chassis NN46110 316 02 01 ...
Page 66: ...66 Chapter 3 Installing option cards and DIMMs NN46110 316 02 01 ...
Page 102: ...102 Appendix A Technical specifications NN46110 316 02 01 ...