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Chapter 4. FRU removals and replacements
Handling static-sensitive devices ..........................4-1
Procedures for switch assemblies ..........................4-2
Removing the switch assembly ..........................4-2
Replacing the switch assembly ..........................4-2
Removing the switch fans ............................4-3
Replacing the switch fans ............................4-3
Removing the switch front chassis cable.......................4-3
Replacing the switch front chassis cable.......................4-4
Removing the switch supervisor card ........................4-4
Replacing the switch supervisor card ........................4-5
Removing the switch inner chassis cable ......................4-5
Replacing the switch inner chassis cable ......................4-6
Removing the switch power cards .........................4-6
Replacing the switch power cards .........................4-7
Attention: Components in the frame are susceptible to damage from static discharge. Always use an
ESD wristband when working inside frame covers. (See “Personal ESD requirements” on page 3-1 for
more details.) Do not touch the pins or circuitry on these components.
This chapter describes the removal and replacement of RS/6000 SP product-specific Field Replaceable
Unit (FRU) components.
Handling static-sensitive devices
Attention: Adapters, planars, disk drives, supervisor cards and memory cards are sensitive to static
electricity discharge. These devices are wrapped in antistatic bags or containers to prevent this damage.
Perform the following procedures to prevent damage to these devices:
1. Do not remove the device from the antistatic bag or container until you are ready to install the device
in the system unit.
2. You must wear an ESD wristband while installing or removing any static-sensitive devices.
3. With the device still in its antistatic bag, touch it to a metal frame of the system.
4. Grasp cards and boards by the edges. Hold drives by the frame. Avoid touching the solder joints and
pins.
5. Handle the devices carefully in order to prevent permanent damage.
Antistatic bag
Figure 4-1. Handling an anti-static device
© Copyright IBM Corp. 1999, 2002 4-1