5U84 storage shelf rear panel
The rear panel of a 5U84 storage shelf contains the following components:
■
Two I/O module slots, which contain either redundant RAID controllers or
Expansion modules. (Item 1)
■
Five cooling modules (Item 2)
■
Two power supply units (PSUs) (Item 3)
Each cooling module contains two fans. Cooling modules can be individually
replaced but cannot be taken apart to replace only one fan.
Refer to the following sections for information about the I/O modules.
See
“5U84 storage shelf Expansion module”
on page 15.
5U84 storage shelf RAID controller
The Primary Storage Shelf contains two RAID controllers in I/O module slots. The
controllers are labeled A and B, from left to right as you look at the rear panel of a
shelf. Each controller has two sets of SAS3 ports. From left to right the SAS3 ports
for each controller are labeled 3, 2, 1, and 0. The single SAS3 port on the left side
of each RAID controller connects to a SAS3 port on the Expansion shelf.
14
Overview
5U84 storage shelf rear panel
