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Replacing an AC Input Box
Complete the procedure in Table 6–5 to remove an ac input box.
Complete the procedure in Table 6–6 to install an ac input box.
Only qualified service personnel can replace an ac input
box.
To prevent the possibility of injury or death as a result
of electrical shock:
•
Always disconnect the ac power cord before
removing an ac input box.
•
Never touch the backplane connector or circuit
board.
•
Always install the ac input box before connecting the
ac power cord.
Table 6–5
Removing an AC Input Box
1.
For redundant and optimum (n+4) power configurations, verify that
all eight power supplies are operational and then go to step 3.
2.
For a standard (n+1) power configuration, clear the cache module
and shut down the array controller per the array controller
documentation.
3.
Turn O
the ac input box
FF
being replaced by pressing
the O on the ac power switch
(C
1).
ALLOUT
Power Distribution
WARNING!
1
2
UltraSCSI RAID Enclosure 6–17
CXO5488B
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