Replacing a Power Unit 7–1
Hitachi Unified Storage Hardware Service Guide
Replacing a Power Unit
CBXSS/CBXSL/CBSS/CBSL/CBL Controller Boxes and DBS/DBL
Drive Boxes have a customer-replaceable Power Unit. This
chapter describes how to replace Power Units on these base and
Drive Boxes.
The following topics are covered in this chapter:
Precautions when replacing the Power Unit
Replacing the Power Unit on CBXSS/CBXSL/CBSS/CBSL
Controller Boxes
Replacing the Power Unit on a CBL Controller Box
Replacing the Power Unit on a DBL/DBS Drive Box
NOTE: This chapter assumes you have read the electrostatic
guidelines and other information in Chapter 3, Procedures before
and after replacing components. If you have not, review this
information and then return to this chapter.
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