50 Sun StorageTek 2500 Series Array Hardware Installation Guide • September 2009
FIGURE 2-20 1x4 Storage Array Configuration Cabling
To cable a 1x4 array configuration for maximum redundancy:
1. Locate the Controller A and Controller B expansion ports at the back of the
controller tray (
FIGURE 2-16).
2. Locate 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 expansion In port of expansion tray 1 (
FIGURE 2-20).
4. Connect one SAS cable between the Controller B expansion Out port and the B-
side expansion In port of expansion tray 3 (
FIGURE 2-20).
5. Connect one SAS cable between the expansion tray 1 Out port and the A-side
expansion In port of expansion tray 2 (
FIGURE 2-20).
AB
Controller Tray
Expansion Tray 1
Expansion Tray 2
Expansion Tray 3