
I
NSTALLING
H
ARDWARE
M
IDPLANE
BOARD
2-12
2.5 Midplane board
The midplane board serves as a bridge between the power system and the nodes.
Removing the Midplane
1. Power off the sled tray by sliding the sled tray out of the chassis. See
Releasing the
Sled Tray
on page 2-2.
2. Place the sled tray on a clean work surface.
3. Remove the enclosure from the rack. Place the enclosure on a clean work surface.
4. Remove the rear assembly.
Figure 2-16.
Removing rear assembly
CAUTION!
E
NSURE
ALL
POWER
IS
DISCONNECTED
FROM
THE
SYSTEM
BEFORE
PROCEEDING
.
!
AIR
FLO
W
CPU0
CPU
0
Air
AIR
FLO
W
CPU
0