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Chapter 3 Operation and
Maintenance
1. Maintenance Service
Service representatives subordinate to or authorized by NEC provide services of the BBU
with use of genuine parts and high technical capabilities. You can get the services for your
own convenience.
For the services, contact the NEC sales department or representatives.
2. Preventive Maintenance
2-1. Preventive Maintenance of BBU
Check the states of the BBU (including voltage and temperature) regularly as preventive
maintenance. For the purpose, you can use MegaRAID Storage Manager
(MSM).
2-2. Life of BBU
The battery cell used in the BBU can be used for about two years. Replace the battery cell
having been used for two years or longer with a new one as soon as possible following "3.
BBU Replacement Procedure" in this chapter.
The BBU is a supply/charged warranty device.
Notice
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