PRINTER NOTE: Page size 9” x 9.25”. Align this page to top, right hand corner. Back box bleeds off
top and right edge. Left side of page extends to 9.25 inches.
Replacing the DEU Cabinet
Caution: Drives and printed circuit board compo nents
are sensitive to electrostatic discharge. To preve nt
operating failure or damage, observe th e following :
Establish a ground for yourself by using the wrist
grounding strap, or by touching the metal chassis prior
to handling or installing the drives or printed circuit
board components.
1Remove your new cabinet from the shipping carton
and inspect the shipment. Save the packag ing
material.
2Down your server and turn off the computer system.
Turn the power off to the old DEU cabinet.
Note: Note the position of the data cables, disk drives,
and the jumpers on termination interfac e cards prio r to
disconnecting or removing the ite ms. To facilitate
correct installation, you may want to tag th e cables
appropriately. The drives should have a drive label
located on the front of each drive unit.
3Remove each drive noting its position and store them
in a safe location.
4Disconnect the data and power cables fr om the old
subsystem.
5(Rack Mount Systems Only) Remove the DEU from
the rack assembly.
6(Single-Bus Modules Only) Remove the Single-Bus
configuration module from the old cabine t and
install it into the new cabinet.
7(Rack Mount Systems Only) Install the new DEU
cabinet into the rack assembly.
8If you have a third power supply unit installed in
the old cabinet, remove it and install the PSU into
the new cabinet.
9Reconnect and secure the power cord and data
cables.
10 Install the drives into the new cabinet in exac tly the
same order as they were in the old cabine t.
11 Power ON the new DEU subsystem.