Chapter 6. Removing and replacing components
There are three types of replaceable components.
v Structural parts: Purchase and replacement of structural parts (components, such
as chassis assembly, top cover, and bezel) is your responsibility. If IBM acquires
or installs a structural component at your request, you will be charged for the
service.
v Tier 1 customer replaceable unit (CRU): Replacement of Tier 1 CRUs is your
responsibility. If IBM installs a Tier 1 CRU at your request, you will be charged
for the installation.
v Tier 2 customer replaceable unit: You may install a Tier 2 CRU yourself or
request IBM to install it, at no additional charge, under the type of warranty
service that is designated for your server.
See Chapter 5, “Parts listing, IBM System x3550 M4 Type 7914,” on page 183 to
determine whether a component is a structural part, Tier 1 CRU, or Tier 2 CRU.
For information about the terms of the warranty, see the Warranty Information
document that comes with the server.
For more information about getting service and assistance, see Appendix D,
“Getting help and technical assistance,” on page 781.
Returning a device or component
If you are instructed to return a device or component, follow all packaging
instructions, and use any packaging materials for shipping that are supplied to
you.
Internal cable routing and connectors
This section provides information about routing the cables when you install some
components in the server.
For more information about the requirements for cables and connecting devices,
see the documentation that comes with these devices.
© Copyright IBM Corp. 2012, 2013 197
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