Chapter 1 System Overview 5
About Front and Back Panel Features
The following sections describe the system front panel, with the doors open and
closed, and the system back panel, showing all the ports and standard connectors.

Front Panel Features

The illustration below shows the system control features and status indicators that
are accessible from the front panel withthe system front doors closed.
When the key in the front panel keyswitch is in the Locked position, the front doors
are also locked preventing access to the disk drives and power supplies. Before you
close the doors, make surethat the key is in the Power-On/Off position and that you
overlap the front doors correctly as you close them. After closing the doors, to lock
them insert and turn the key to the Locked position; then remove the key.
Note – This same key also controls the system cover lock on the top of the system
(see “Reference for Physical Specifications”on page 218). If you lose the key, contact
your Sun sales representative about replacing the key.
Keyswitch
Power-On/Off
position
Locked
position
Left door Right door Power button
DVD-ROM or
optional tape drive
Status panel
control