Nortel BCM50 2.0 Installation Manual page 72

72 Appendix E BRI wiring chart
Table 13 BRI line numbering
Port number
1
2
3
4
NN40020-309 NN40020-309
Default line numbers on
Expansion port 1
065 – 066
067 – 068
069 – 070
071 – 072
Default line numbers on
Expansion port 2
095 – 096
097 – 098
099 – 100
101 – 102