Chapter 2 Basic Operation
2.1 Powering On and Off
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For 2U power distribution unit
Figure 2.4
IMPORTANT
ETERNUS DX80 S2/DX90 S2 Disk storage system User's Guide -Operation-
Main line switches
OFF position (marked "O") of the main line switches on a 2U power distribution
unit
When turning the main line switch to ON (marked "I") right after turning the
main line switch to OFF (marked "O"), turn it back to ON (marked "I") after
the POWER LED of the power supply unit has turned off completely.
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