48 Sun Fire V880 Server Rackmounting Guide • May 2004
Note – Four screw holes are provided in the outer slide. You might need to move
one (or both) of the 10-32 screws to another of the four screw holes. Be sure to use
both screws to secure each rear bracket to the outer slide.
d. Tighten the two 10-32 screws and lock nuts on each slide to resecure the rear
brackets to the outer slides.
Determine the Vertical Position of the Server in
the Cabinet
Plan to install the tray assembly into the lowest available position in the cabinet. If
you are installing two Sun Fire V890 servers into the cabinet, install the lower server
first.
To determine the vertical position of the server, identify which cabinet rail holes to
use for attaching the front and rear brackets by completing the following steps:
1. Locate and mark the correct holes on the right and left front vertical cabinet rails.
Make sure there is enough vertical space to install the server.
Note – Each Sun Fire V890 server requires 17 rack units (29.75 inches, 75.6 cm) or 51
holes on the vertical rails of the cabinet. The Sun Rack 900 cabinet can accommodate
two Sun Fire V890 servers.
If your Sun Rack 900 cabinet is equipped with the Sun Power Distribution System
(PDS) option and the Sun Fire V890 server will be installed immediately above the
two power sequencers provided by the Sun PDS option, the Sun Fire V890 server
can be installed using the first rail hole to attach the front and rear brackets.
If your Sun Rack 900 cabinet is equipped with a third-party PDS or power
sequencers and the Sun Fire V890 server will be installed immediately above the
third-party PDS or power sequencers, leave at least one free hole above the PDS or
sequencers.
Using masking tape or a felt tip pen, mark the lowest available hole for installing the
tray on the right front vertical rail of the cabinet.
■ If you are installing the Sun Fire V890 server immediately above the two power
sequencers provided by the Sun PDS option, the first rail hole is the lowest
available hole.
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