Connect the two cables to the fan shelf.
Install the lower cover and then secure it with the one screw.
Install the upper cover.
Slide the right and left stoppers of the upper cover outwards and then secure
the cover with the two screws.
22.5.2
Restoring the chassis
Install all the fan units.
Install the front cover.
22.6
Restoring the System
Turn on the CB switches of the dedicated power distribution unit (PDU)
mounted on the rack for expanded connection.
Start the entire system.
Close the rack door.
Chapter 22 Maintaining the Fan Backplane of the Crossbar Box
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