Chapter 9Maintaining the Crossbar Units
Thisch apter describes the procedure for maintaining the crossbar units mounted on
aSPARC M10-4S.
■Configurationof the Crossbar Units
■BeforeMaintaining a Crossbar Unit
■Enablingthe Removal of a Crossbar Unit
■Removinga Crossbar Unit
■Installing a Crossbar Unit
■Restoringthe System
9.1 Configuration of the Crossbar Units
Thissectio n describes the configuration and the locations of the crossbar units.
Thecrossbar units of the SPARC M10-4S are connected to the crossbar units of other
SPARCM10-4S units or to a crossbar box for system extension. Two crossbar units
aremounted on a SPARC M10-4S. When performing maintenance, perform the work
oneunitatatime.
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