Dell PowerVault 211S (SCSI) - Manual (Page 46)

5-2 Dell PowerVault 200S, 201S, 210S, and 211S Storage Systems Installation and Service Guide
3. Connect the SCSI cable(s) to the SCSI connectors on the storage system's back
panel (see Figure 5-1) and to the SCSI host adapter(s) in the host computer.
If you are attaching one cable to the PowerVault 2xxS storage system, connect
the Dell external SCSI cable between SCSI connector A on the storage system's
back panel (see Figure 5-1) and the SCSI host adapter card in the host computer.
If you are attaching a second cable to the PowerVault 2xxS storage system, con-
nect the Dell external SCSI cable between SCSI connector B on the storage
system's back panel (see Figure 5-1) and the SCSI host adapter card in the host
computer.
NOTE: The connectors on the SCSI cable(s) are keyed for proper orientation. The
20-meter (m) cable can be used only with the ESEM and SEMM.
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1 Redundant cooling fan
2 SCSI connector B (second enclosure module)
3 Redundant power supply
4 Power supply
5 SCSI connector A (enclosure module)
6 Cooling fan(s)