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| DS3200 | RAID controller A | RAID controller B | 
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| EXP3000 | 
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Figure 20. One dual-controller  DS3200 and one storage expansion enclosure
One 
To cable one 
| DS3200 | RAID controller A | RAID controller B | 
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 | SAS cable | To DS3200 RAID | 
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| EXP3000 | 
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SAS cable
| EXP3000 | SAS cable | 
SAS cable
To DS3200 RAID controller B
Figure 21. One dual-controller  DS3200 and two storage expansion enclosures
30System Storage DS3200 Storage Subsystem: Installation, User’s, and Maintenance Guide
