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Power Supply Module
4-3
Power Supply
Module
The CoreBuilder 7000 family ATM switch provides a dual load-sharing
power supply capability where the second unit can serve as a redundant
power supply. For more information, see “Redundant Power Supply” on
page 7-1.
For certain combinations of installed interface cards, the second power
supply cannot be used as a redundant supply (see “Providing Redundancy
for Various Power Loads” on page 7-6).
This section discusses the following topics:
Installing a Power Supply Module
Replacing a Redundant Power Supply Module
Installing a Power
Supply Module
To install a power supply module:
1
Orient the module so that its sides enter the guides on either side of the
chassis slot.
2
Slide the module into the chassis until the face panel is flush with the
enclosure.
3
Secure the screws on either side of the front panel.
4
If a redundant power supply is not installed in the second power supply
slot, cover the slot with a blank panel for safety.
Replacing a
Redundant Power
Supply Module
This section describes how to replace a redundant power supply module.
You can replace the redundant power supply without having to turn off
the system (hot-swap). For more information on the operation of the
redundant power supply module, see “Redundant Power Supply” on
page 7-1.
To replace a redundant power supply module:
1
Disconnect the power cord from the power supply.
2
Loosen the screws at the extreme right and left of the power supply, near
the handles (refer to Figure 4-1).
3
Grasp the handles of the redundant power supply you want to replace
and pull them outward. This ejects the power supply.
4
Remove the new power supply from its antistatic bag. Place the old
power supply in the antistatic bag and set it aside in a safe place.