Removing The Sun Fireplane Interconnect From The Chassis - Sun Microsystems Sun Fire E25K Service Manual

As a superuser on the main SC, shutdown the main SC by typing:
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sc# shutdown -y -g seconds -i 0
where seconds is the amount of time before shutdown.
Note – All DC circuit breakers are to remain in the on position at all times.
4. Power off the AC0 and AC1 circuit breakers for all power supplies in the system.
5. Label and disconnect the twelve (12, six per side) AC power cords with the labels
provided in the ship kit.
6. Label and disconnect all I/O cables from the front and rear of the system and set
aside.
13.4 Removing the Sun Fireplane
Interconnect From the Chassis
The Sun Fireplane interconnect assembly can only be removed from the front of the
Sun Fire E25K/E20K systems. Follow the front and rear notations in this procedure
carefully.
Caution – The Sun Fireplane interconnect assembly weighs 30.0 lb (13.6 kg). Use
proper heavy-lifting procedures when removing this unit.
From the rear of the system:
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Caution – Be sure you are properly grounded before you begin the hardware
removal and installation. There are four ground points on the system cabinet, two at
the front top left and top right, and two at the rear top left and top right.
1. Remove all slot 0 and slot 1 boards and place each on an ESD-protected surface.
Caution – Never remove the carrier plate while it contains slot 0 or slot 1 boards as
this will cause severe damage to the connector system.
Chapter 13 Sun Fireplane Interconnect Replacement Procedure 13-5