Replacing Equipment; Controller - Nortel Meridian Companion Installation And Maintenance Manual

Controller

P0725810 Issue 3.0
!
To avoid electrical shock, observe the following
precautions:
1. Unplug the power to any system element before removing it.
2. Do not remove the covers of the Controller, Line Modules, or
Base Station Modules.
!
Wear a Grounding Strap.
Replacing the Controller takes the COMPANION 200
out of service, returns all settings to the factory
defaults, and deregisters all the portables.
To replace the Controller, follow these steps:
1. Unplug the power cord from the ac outlet or power bar.
2. Open the door of the Controller.
3. Unplug the power cord from the Controller.
4. Loosen the RJ21 connector latch screws and unplug the 25-pair
cables.
5. Unplug the fiber cables from the Expansion Cartridges and the
modules.
6. Remove the fiber cable spools and the 25-pair cables from the
cable trough.
7. If there is a power bar, unplug all the modules connected to it,
and remove the power bar from the cable trough.
COMPANION 200 Installation and Maintenance Guide

Replacing equipment

140