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54 Sun StorageTek 2500 Series Array Hardware Installation Guide • March 2007
FIGURE 3-5 Mixed topology of data hosts connected directly and through FC switches
2540 Array Data Host Connections
Data transmission from the host to the array controller modules is through fiber-
optic cables. The fiber-optic cables connect to the controllers through Small Form-
factor Pluggable (SFP) transceivers (
FIGURE 3-6).
1. Host
2. HBA 1
3. HBA 2
4. Host Port 1
5. Host Port 2
6. Controller A
7. Controller B
1. Host 1
2. HBA 1
3. HBA 2
4. Host 2
5. Host 3
6. Host Port 1
7. Host Port 2
8. Controller A
9. Controller B