NEC LED-E012i Installation And Maintenance Manual page 43

Removing the power supply
Disconnect the LAN cable connected to the hub board.
Remove the 10 screws securing the hub board, and then remove the hub board. Then, remove the
two screws securing the terminal cover.
Hub board
Terminal cover
Disconnect the power cables connected to the power supply and remove the two screws securing the
power supply, and then remove the power supply.
The power supply installation is done by following the same procedure in the reverser order.
Apply some thermal paste on the back of the power unit you will install before installing it. Ask your
retailer for more details on the types of thermal paste.
CAUTION:
When attaching two cables with one screw, place the ring terminals of the cables back to back.
OK NG
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