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Caution -
Active/cold maintenance can be performed only when the power supply unit has a
redundant configuration.
Note -
Make a note of the locations of the power cords before disconnecting them, to ensure
that they are reconnected correctly.
Note -
Make a note of the locations of the power cords before disconnecting them, to ensure
that they are reconnected correctly.
has failed.
■
When replacing multiple PDUs, replace one unit at a time. If redundancy of the
PDUs cannot be preserved, then system-stopped maintenance must be performed.
29.3 Enabling the Removal of the
Dedicated Power Distribution Unit
This section describes the preparations that must be completed prior to removing a
PDU. The preparation procedure differs depending on the maintenance type as follows:
■
Active/Cold maintenance
■
System-stopped maintenance
29.3.1 Active/Cold maintenance
1.
Open the r ack do or.
2.
Disconnect all t he power cords of the SP ARC M10-4S and crossbar boxes
from th e PDU requiring mai nten anc e.
29.3.2 System-stopped maintenance
1.
Open the r ack do or.
2.
Stop t h e entire system.
For details, see "5.4 Stopping the Entire System."
3.
Disconnect all t he power cords of the SP ARC M10-4S and crossbar boxes
from th e PDU requiring mai nten anc e.
Fujitsu M10-4/Fujitsu M10-4S/SPARC M10-4/SPARC M10-4S Service Manual
･
December 2013456