Nortel Networks Accelar 1050 - Manual (Page 53)

Appendix A Technical specifications 53
Nortel VPN Router Installation — VPN Router 1010/1050/1100
The connector on the ISDN BRI S/T and ISDN BRI U interface cards
accommodates an 8-pin RJ-45 modular patch cord. These cables are sold as
Category 5, or Ethernet, cables.
Table 21 provides the ISDN BRI S/T cable pinouts.
Table 22 provides the ISDN BRI U cable pinouts.
Note: Nortel does not supply a cable with the ISDN BRI interface cards.
Table 21 ISDN BRI S/T cable pinouts
Pin Function
1 N/C
2 N/C
3 Receive +
4 Transmit +
5 Transmit -
6 Receive -
7 N/C
8 N/C
Table 22
ISDN BRI U cable pinouts
Pin Function
1 N/C
2 N/C
3 N/C
4 U interface network connection (tip)
5 U interface network connection (ring)
6 N/C
7 N/C
8 N/C