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replacefru
Note -
Inthecaseofadualpowerfeed,makeanoteofthelocationsofthepowercords
before disconnecting them to ensure that they are reinstalled correctly.
Caution -
Before you handle any components, wear a wrist strap to ground any static
electricity. If you perform this procedure without a wrist strap, individual
components or the overall system may be damaged. For details, see "1.5 Notes
Regarding Static Electricity."
5.
Power off all t h e physical p artitions.
For details, see "5.3 Powering Off the Physical Partition Requiring Maintenance."
6.
Execute the replacefru command to release the crossbar backplane u nit
requiring maintenance from the system.
For details, see "5.1 Releasing an FRU from the System with the replacefru
Command."
7.
Remove all the power cords from the p ow er supply u nit of t he crossbar box
requiring maintenance.
For details, see "5.5.2 Removing the power cord."
28.4 Removing the Cable Kit
This section describes the procedure for removing the cable kit at each cable
connection destination.
For the cable connection destinations, see "28.1 Configuration of the Cable Kit."
Enable the removal of the cable kit before attempting to remove it. For details, see
"28.3 Enabling the Removal of the Cable Kit."
28.4.1 Removing the cables for the connection between
the crossbar backplane unit and terminal board
Removethecable(SIG)orcable(PWR)connectingthecrossbarbackplaneunitand
terminal board.
1.
Remove th e front cover.
For details, see "5.5.3 Removing the front cover."
2.
Remove all the fan units.
For details, see "19.4 Removing a Fan Unit."
Chapter 28 Maintaining the Cable Kit of the Crossbar Box 431