Note: The cables in the illustrations in the following sections are shown in different
colors for demonstration purposes only. The actual cables are black.
The External RAID PCIe ports on the rear panel of the appliance are in Slot 1 of
Riser 2.
There are two I/O module canisters in the middle of the rear panel of the storage
shelf. Each I/O module includes four mini-SAS HD ports. The mini-SAS HD ports
on the top I/O module canister are labeled 1, 2, 3, and 4 from left to right.
73D Series Appliance installation procedures
Understanding appliance and D Series Storage Shelf connections