Chapter 21
Maintaining the Crossbar Backplane
Unit of the Crossbar Box
Thisch apter describes the procedure for maintaining the crossbar backplane unit
mounted in a crossbar box.
■Location of the Crossbar Backplane Unit
■BeforeMaintaining the Crossbar Backplane Unit
■Enablingthe Removal of the Crossbar Backplane Unit
■Removingthe Crossbar Backplane Unit
■Installingthe Crossbar Backplane Unit
■Restoringthe System
21.1 Location of the Crossbar Backplane
Unit
Thissection describes the location of the crossbar backplane unit.
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