Nortel Networks 400 4.0 User Manual
Chapter 23 Replacing or upgrading a power supply
293
BCM200/400 4.0 Installation and Maintenance Guide
Figure 154 Install a cable grommet
20 Install the main unit top cover. See
.
Removing a BCM400 redundant power supply cage
Use this procedure to remove an existing redundant power supply cage from the BCM400 main
unit.
unit.
To remove a BCM400 redundant power supply cage
1
Set up the BCM400 for maintenance (see
).
2
Disconnect all cables from the front of the base function tray.
3
Disconnect the main unit and the expansion unit (if applicable), from the AC power
connection.
connection.
4
Remove the top cover from the BCM400 main unit (see
).
5
Attach one end of the grounding strap to your wrist and the other end to a grounded metal
surface.
surface.
6
Remove the power supply modules (see
7
Partially remove the power supply module from the power supply cage. Do not completely
remove the power supply module.
remove the power supply module.
Warning: Protect the hardware components against damage from electrostatic discharge.
Always wear a grounded wrist strap before you handle components. Always place the
components in a static-free container.
Always wear a grounded wrist strap before you handle components. Always place the
components in a static-free container.
Cable grommet
Insert the P2, P3
and auxiliary
cables into the
cable slot
and auxiliary
cables into the
cable slot
Cable slot