Nortel Networks BCM50 User Manual
Page 11

Contents
11
Installation and Maintenance Guide
Installing the BCM50 unit on the rack-mount shelf . . . . . . . . . . . . . . . . . . . . . . . . 83
Chapter 9
Connecting the cables to the BCM50 system . . . . . . . . . . . . . . . . . . . . . . . 99
Connecting lines and extensions to the RJ-21 telephony connector . . . . . . . . . 106
Connecting telephone lines to the expansion units . . . . . . . . . . . . . . . . . . . . . . . 107
Connecting extensions to the expansion units . . . . . . . . . . . . . . . . . . . . . . . . . . 108