IBM Power 775 Manual page 55

Power775 Disk Enclosure Fan Service Procedure
STEP 43 Install the two Rear Rail Block Captive Allen head screws.
STEP 44 Attach the water hoses by pushing the quick connects onto the DE water connectors.
STEP 45 Reconnect the rear SAS cables. Using the Location Codes labels, install the cables to the correct Port Card
connectors. Each cable end should have two labels. The label closest to the connector (between the SN label and
the connector) tells you the location to plug that end. The label on the other side of the SN label tells you where
the other end of the cable is plugged. The convention for the label is like the location code of the port: <frame
location> <card location><connector location>.
If velcro ties were removed, reinstall them.
When complete, all the Port Card connectors should be populated; there should be no open connectors.
STEP 46 Close the rear door of the frame.
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