Chapter 15 Maintaining The Crossbar Units; Before Maintaining A Crossbar Unit; Configuration Of The Crossbar Units - Fujitsu M10-4 Service Manual

Chapter 15
Maintaining the Crossbar Units
This chapter describes the procedure for maintaining the crossbar units mounted on
a SPARC M10-4S.

Before Maintaining a Crossbar Unit

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Configuration of the Crossbar Units

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Removing a Crossbar Unit
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Installing a Crossbar Unit
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15.1 Before Maintaining a Crossbar Unit
This chapter only has descriptions of the crossbar unit configuration and the work of
removing and installing crossbar units.
Before removing a FRU, see
necessary work items.
For the types of maintenance on crossbar units, also see "Crossbar unit" in
List of available maintenance types by
15.2 Configuration of the Crossbar Units
This section describes the configuration and the locations of the crossbar units.
The crossbar units of the SPARC M10-4S are connected to the crossbar units of other
SPARC M10-4S units or to a crossbar box for system extension. Two crossbar units
are mounted on a SPARC M10-4S. When performing maintenance, perform the work
one unit at a time.
"Chapter 7 Maintenance
FRU."
Flow" and perform the
"Table 7-2
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