Installing A Hot-Swap Power Supply / Fan Unit; Working With Cards And Boards; Replacing A Bridge Card - IBM Netfinity EXP300 Hardware Maintenance Manual

Installing a hot-swap power supply / fan unit

Complete the following steps to install a hot-swap power supply:

Working with cards and boards

The expansion unit bridge card, switch card, and ESM boards are customer
replaceable units (CRUs). This section contains step-by-step instructions for removing
and replacing each device.

Replacing a bridge card

To replace the bridge card CRU in the EXP300 expansion unit, follow the instructions
for removing the bridge card and installing a bridge card.
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IBM Netfinity EXP300 - Type 3531 Hardware Maintenance Manual
1. Ensure that the power supply you are installing is turned off.
2. Grasp the handles 2 and slide the power supply into the expansion unit.
3. Tighten the power supply thumbscrews 1 .
4. Connect the power cord to the power supply.
5. Plug the supply power cord into a properly grounded electrical outlet.
If you just installed a second (redundant) supply, the fault (amber) LED will light
because its power switch is turned off.
6. Turn on the power supply.
If you just installed a second (redundant) supply, after you turn on the power, the
fault (amber) LED will turn off and the ac and dc power (green) LEDs will turn
on.
Before you begin
• Read the safety and handling guidelines provided in "Safety information" on
page 41 and "Handling electrostatic discharge-sensitive devices."
• Ensure that your current system configuration is working properly.
• Back up all important data before you make changes to storage devices, such
as hard disk drives.