Power Distribution Board; Removing The Power Distribution Board - Sun Microsystems Netra 440 Service Manual

Power Distribution Board

The part number for the power distribution board is F540-5854.

Removing the Power Distribution Board

Caution – The system supplies power to the power distribution board even when
the system is powered off. To avoid personal injury or damage to the system, you
must disconnect all AC or DC power cables before servicing the power distribution
board.
1. Power off the system.
See "Powering Off the System" on page
2. Attach the antistatic wrist strap.
See "Avoiding Electrostatic Discharge" on page
3. Disconnect the AC or DC power cables from all of the power supplies at the back
of the system.
Caution – There are several pinch points on the power supplies, so use caution
when removing or installing a power supply in the system. Refer to the caution label
on the power supplies for more information.
104 Netra 440 Server Service Manual • August 2004
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