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B-22 SPARC Enterprise M8000/M9000 Servers Service Manual • June 2010
FIGURE B-16 Rear View of the Operator Panel (OPNL)
OPNL has the following characteristics.
■ Only cold replacement is available for the OPNL.
■ The following switches are mounted on the OPNL to enable operation of the
server.
■ POWER switch to turn on the power.
■ Mode switch to control the POWER switch
■ The LED on the front of the OPNL displays the condition of the server. The LED
of the rear of the OPNL displays the status of OPNL itself.
■ On OPNL, EEPROM is mounted to store the device identification information and
the user setting information. These sets of information are also stored in XSCFU.
■ The OPNL has a label bearing the printed component number and manufacture's
serial number.