Single-Controller Expansion Connections - Advantech ASR-5300I Series User Manual

Note! To ensure redundancy, dual-controller SAS expanders must be
connected to the opposite ends of daisy-chained JBODs (e.g., the first
and last JBODs).
3.7.5

Single-Controller Expansion Connections

 RAID system SAS exp. –> 1st JBOD SAS-IN
 1st JBOD SAS-OUT –> 2nd JBOD SAS-IN
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