8 Sun StorageTek 2500 Series Array Hardware Installation Guide • September 2009
Rear-Access Components of the Trays
This section reviews the components that can be accessed from the back of a:
■ Sun StorageTek 2500 Series controller tray
■ Sun StorageTek 2501 drive expansion tray
Sun StorageTek 2500 Series Array
Components that are accessed from the rear of the Sun StorageTek 2500 Series Array
controller trays include:
■ Controller Modules – Two removable controller modules (controllers), typically
identified as Controller A (on the left) and Controller B (on the right).
■ Power-fan assemblies – Two removable power supply modules with cooling
fans. The power-fan assembly is identical and interchangeable to the power-fan
assemblies used for Sun StorageTek 2501 drive expansion tray.
FIGURE 1-4 Controller Tray Rear-Access Components
1. Controller Modules
2. Power-Fan Assemblies
1
2