Before Replacing CRUs
5-2
Stratus ftServer 2600, 4500, and 6300 Systems: Operation and Maintenance Guide
(R639)
Before Replacing CRUs
Working on the physical system can expose electronic components to potential
damage from electrostatic discharge (ESD). Whenever working on a system:
• Use ESD precautions.
• Use the proper tools, if the procedure calls for them.
• Observe all Notes, Cautions, and Warnings.
Estimated Times
The estimated time given for each procedure includes only the approximate time
needed to complete the physical removal and replacement of the components in
question. It does not include the time that may be required to run necessary software
commands or to return the system to its original operating order.
Actual times may vary from installation to installation.
Using ESD Precautions
To avoid damaging ESD-sensitive components during
handling, always take the following precautions.
1. Ground yourself before working inside an enclosure. Put a grounding strap on your
wrist and attach its other end to some suitable grounding point, such as a
computer-system cabinet.
2. Discharge static electricity by touching an unpainted portion of the enclosure or
system just before handling ESD-sensitive parts.
3. Store PCI adapters in their static-protective envelope until you are ready to install
them in the system.
4. Hold a PCI adapter by its edges.
Observing Cautions and Warnings
Observe the following warnings, cautions, and notes.
If a component is not a CRU, do not attempt to remove
or replace it. Doing so may result in serious personal
injury and/or damage to the system.
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