Chapter 2 Installing Trays 47
Cabling an Expansion Tray to a Controller Tray
A Controller tray has two expansion ports, one on Controller A and one on
Controller B. To connect a drive expansion tray, connect an SAS cable from each
expansion port on the controller to each In port on the expansion tray.
FIGURE 2-18
shows a 1x2 array configuration consisting of one controller tray and one drive
expansion tray. Two SAS cables are required.
FIGURE 2-18 1x2 Array Configuration Cabling Example
To cable a 1x2 array configuration:
1. Locate the Controller A and Controller B expansion ports at the back of the
controller tray (
FIGURE 2-16).
2. Locate the In and Out expansion ports at the A-side and B-side back of the
expansion tray (
FIGURE 2-17).
3. Connect one SAS cable between the Controller A expansion port and the A-
side In port on the expansion tray (
FIGURE 2-18).
4. Connect one SAS cable between the Controller B expansion port and the B-side
In port on the expansion tray (
FIGURE 2-18).
A
B
Controller Tray
Expansion Tray
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