SPARC M10-4S (3)
BB#00
BB#01
BB#02
BB#03
: Crossbar unit
: Power cable
XBBOX#80
BB#00
BB#01
BB#02
BB#03
BB#04
BB#05
BB#06
BB#07
XBBOX#81 : Crossbar unit : Crossbar unit
XBBOX: Crossbar boxXBBOX: Crossbar box
: Optical cable
: Optical cable
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System configuration example

– building block configuration (directly connected chassis)

Building block numbers are identifiers (BB-IDs) that are numbered sequentially
starting with 00.
For the connection procedure, see the Fujitsu M10/SPARC M10 Systems
Installation Guide.

Four-BB configuration (1 BB to 4 BBs)

Up to four SPARC M10-4S units can be connected.
In this configuration, the SPARC M10-4S units are directly connected with electric
cables without using crossbar boxes.

System configuration example

– building block conguration (connected through crossbar boxes)

In this configuration, building blocks are connected with optical cables through
crossbar boxes (XBBOXs).
Up to 16 SPARC M10-4S units can be connected. The number of SPARC M10-4S
units that can be connected depends on the number of crossbar boxes and the
number of crossbar units mounted in the crossbar boxes.

Eight-BB configuration (2 BBs to 8 BBs)

Up to eight SPARC M10-4S units can be connected through two crossbar boxes
containing crossbar units (two units per box).