NEC Express 5800, User Manual

Page: 177 / 719

Hardware
177
Parts Able to be Added/Replaced by Customers
The server provides parts that can be added/replaced under customer installation environment.
The replaceable parts are grouped into 2 types of FRU and CRU.
FRU is an abbreviation of Field Replacement Unit. FRUs include all parts (modules/units)
replaceable when a failure occurs and are replaced by a maintenance service personnel.
Of these FRUs, there are CRUs that can be replaced/added by customers.
CRU is an abbreviation of Customer Replacement Unit. CRUs include parts
(modules/units/cables) that can be replaced at failure occurrence or added by customers.
The following shows the list of CRUs. There are 5 CRUs in the server as shown in the table
below.
・
CRU List
No. Abbreviation Name Name used in this Guide
1 HDD Hard Disk Drive Hard Disk
2 PSU Power Supply Unit Power Supply Unit
3
DVD Digital Versatile Disk DVD Drive
4 FAN FAN Module Cooling Fan *1
5 －
Power Cable Power Cable
*1: The server needs to be pulled out from the rack to mount/unmount the cooling fan.
The abbreviations in the above table are used when suspicious failure indications are displayed
on EXPRESSSCOPE®
Monitor and Web Console at failure occurrence.
A FRU can not be replaced by customers when its displayed abbreviation is not included in the
above table. In this case, contact the maintenance service company and request for
replacement.
Refer to [System Diagnostics] -> [Specifying Failure of Power Code] in “Operation and
Maintenance,” as suspicious failures of the power cable is not indicated by BID (Build - In
Diagnostic)*.
* BID is an abbreviation of Built-in Diagnostics and is the failure analysis function installed in
the server.
IMPORTANT:
These CRUs can be replaced/added by customers. However, it is
also possible to ask the maintenance service company for
replacement.