Chapter 4: Drive Connection 69
ESM Canister
Arrangements
Many of the figures in topics for drive cabling topologies show storage arrays that use
drive trays with side-by-side ESMs. Each ESM canister has one In port and one Out
port (for Fibre Channel) or two SAS In ports and one SAS Expansion port (SAS). The
canisters are located adjacent to one another, as shown in the following figures.
Figure 9 Drive Tray with Side-by-Si
de
ESMs (Fibre Channel)
The following figure shows a drive tray with side-by-side ESMs and SAS ports.
Figure 10 Drive Tray with Side-by-Side ESMs (SAS)
The following figure shows another type of drive tray. This type of drive tray has
inverted ESM canisters. Other figures in this chapter show this type of drive tray.
Figure 11 Drive Tray with Inverted ESMs
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