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2-20 AlphaServer GS80/160/320 Users Guide
2.3.11 Hierarchical Switch
In two-box systems, a hierarchical switch links the QBBs through the
global ports. The hierarchical switch connects QBBs in three- and
four-box systems also.
Figure 216 Hierarchical Switch
System
Box 2
System
Box 4
System
Box 3
System
Box 1
PK0626