Dell PowerVault 775N (Rackmount NAS Appliance) - Manual (Page 44)

Figure 3-6. Cabling a Clustered PowerVault 775N NAS System to One PowerVault 22xS Storage System
10. Tighten and secure the retaining screws on the SCSI connectors.
11. On the second cable, connect the UHDCI connector to the PERC channel 1 connector on cluster node 2.
12. Tighten and secure the retaining screws on the SCSI connectors.
NOTE: If the PowerVault 22xS storage system is disconnected from the cluster, it must be reconnected to the
same channel on the same PERC card for proper operation.
Cabling Two PowerVault 21xS or 22xS Storage Systems to a NAS SCSI
Cluster