Note: The
primary I/O unit backplane cannot be replaced concurrently.
Open the rear cover.
Disconnect the plugs to each power supply.
From the rear of the expansion unit do the following:
Remove the external cables from the rear of the PCI
card enclosure and note their locations.
Remove the EMC access plate that is located directly
above the PCI card enclosure. Press the surfaces of the
two latching mechanisms together and tilt the top of the cover away
from the frame to remove it.
Remove the cables from the top of the PCI cards and
note their locations.
Attention: All cards
are sensitive to electrostatic discharge.
Remove the screws that hold the PCI card enclosure to
the frame.
Pull the PCI card enclosure partially out of the frame
while lifting the cables clear of the enclosure.
Press the release mechanism that is located along the
top right side of the enclosure and carefully slide the enclosure
towards you. Make sure that the cables are clear of the
enclosure.
Remove the PCI cards from the enclosure and note their
locations (see PCI card).
Install the new PCI card enclosure by reversing the above
procedure. Then continue with the next step.
Reconnect the power cord(s) and/or the power supply cords
that you disconnected earlier.
Note: The expansion unit
will power on automatically.
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