Nortel Networks BCM200, 400 4.0 manual Replacing a media bay module, Replacing An MBM

Chapter 21 Replacing a media bay module 249

Chapter 21

Replacing a media bay module

This chapter describes the procedure for replacing a media bay module (MBM).

Figure 118 provides an overview of the process for replacing MBMs.

Warning: This section describes replacing an MBM with the same type of MBM. If you want to replace an MBM with a different type of MBM, you must treat it as a new installation. Ensure the new MBM does not overrun any lines already assigned to other MBMs.

Figure 118 Overview of MBM replacement process

Replacing

an MBM

Disconnect cables from the front of the main unit and expansion unit

Remove power from both units

Remove front bezel from expansion unit

Remove MBM

Set DIP switches on new MBM

Install new MBM

Replace bezel

Restore power to main unit and expansion unit

Reconnect all cables

Monitor LEDs for power and status

Check the MBM settings in Element Manager

Refer to the following procedures to replace an MBM:

•“Removing an MBM” on page 250

•“Installing an MBM” on page 252

•“Returning the system to operation” on page 252

BCM200/400 4.0 Installation and Maintenance Guide