Quad T1/E1 Csu/Dsu Wan Interface Card; Figure 41 Quad T1/E1 Csu/Dsu Wan Interface Card; Table 30 T1/E1 Csu/Dsu Cable Pinouts For Straight-Through Connection - Nortel 1750 Install Manual

Table 30 provides the T1/E1 CSU/DSU cable pinouts for a straight-through
connection.

Table 30 T1/E1 CSU/DSU cable pinouts for straight-through connection

Nortel termination
Signal
Receive A (RXDA)
Receive B (RXDB)
not used
Transmit B (TXDB)
Transmit A (TXDA)
not used
not used
not used

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.
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.
Note: Nortel does not supply cables with the quad T1/E1 CSU/DSU
interface card.
Appendix A Technical specifications 95
Remote termination
Pin # to Pin # Signal
1 1 Receive A (RXDA)
2 2 Receive B (RXDB)
3 3 not used
4 4 Transmit B (TXDB)
5 5 Transmit A (TXDA)
6 6 not used
7 7 not used
8 8 not used
Nortel VPN Router Installation — VPN Router 1750
Figure 41 shows the quad
CS160012A