Nortel Networks BCM200/400 - Manual (Page 103)

Chapter 7 Installing an expansion unit 103
BCM200/400 4.0 Installation and Maintenance Guide
Chapter 7
Installing an expansion unit
Adding an expansion unit increases the capacity of your BCM system by providing a method of
adding media bay modules (MBMs). Each MBM you add increases the number of public switched
telephone network (PSTN) trunks or extensions that you can connect to the BCM system.
Figure 60 shows the steps required to install the expansion unit.
Figure 60 Overview of installing a expansion unit