To Remove The Bcm200 Power Supply; Removing A Bcm200 Power Supply - Nortel BCM200 Installation And Maintenance Manual

278 Chapter 23 Replacing or upgrading a power supply
Figure 134 Standard power supply replacement overview
System down
Set up unit for
maintenance
Disconnect
power supply
cables. Note
cable routing
Remove failed
power supply

Removing a BCM200 power supply

If the standard power supply fails, the system is down. Use this procedure to remove the standard
power supply from a BCM200 main unit.
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.
Warning: Power supply cable management is critical. Loose or incorrectly positioned
cables can result in cable damage.

To remove the BCM200 power supply

1
Set up the BCM200 for maintenance (see
2 Disconnect all cables from the front of the base function tray. Disconnect the main unit and the
expansion unit (if applicable) from the AC power connection.
3
Remove the top cover from the main unit (see
246).
4
Attach one end of the grounding strap to your wrist and the other end to a grounded metal
surface.
5 Locate and disconnect the power supply cables from the I/O card, media bay backplane, and
hard disk.
N0060612 N0060612
Install new power
supply
Reconnect power
supply cables
Check
connections
"Performing a system shutdown" on page
Restore unit to
operation
Check Power LED
"Removing the main unit top cover" on page
233).