30 Sun StorageTek 2500 Series Array Hardware Installation Guide • September 2009
Preparing the Cabinet
Select the cabinet in which you will be installing the array. Be sure the cabinet is
installed as described in the installation instructions provided with it.
1. Stabilize the cabinet as described in the cabinet documentation.
2. If the cabinet has casters, make sure the casters are locked to prevent the
cabinet from rolling.
3. Remove or open the front panel.
4. Remove or open the vented back panel.
Planning the Order of the Tray Installation
Install the trays starting with the controller tray at the lowest available 2U tray slot
in the cabinet. Next, install the expansion trays for the first controller tray. If room
remains in the cabinet, repeat for the next controller tray and expansion trays.
Starting at the bottom distributes the weight correctly in the cabinet.
Tip – If you plan on adding hosts to the cabinet, make sure that you have cables of
sufficient length to reach their controller tray.
Attaching the Rails to a Cabinet
Depending on the type of cabinet in which you will install the tray, use one of the
following procedures to attach the rails:
■ “Attaching the Universal Rail Kit to a Standard Sun or 19-Inch Cabinet With
Threaded Cabinet Rails” on page 31
■ “Attaching the Universal Rail Kit to a Standard 19-Inch Cabinet With Un-
threaded Cabinet Rails” on page 35
Each tray requires two standard mounting rack units (2RU) of vertical space in the
cabinet. Most cabinets have a “U” mark on their vertical rail with three mounting
holes in the left cabinet vertical rail and in the right cabinet vertical rail. The top
mounting hole of the lower RU is always closest to the bottom mounting hole of the
upper RU, hence the division between RUs on a cabinet rail is between the two
closest mounting holes in a grouping.
The universal rails have an adjustable depth of 24” to 34”.
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