Multitech CommPlete 4000 Series User Manual page 32

4 Partially remove the card cage and remove power cabling at midplane.
5 Remove the power connection from the fanned heatsinkon the SBC (Figure 4-6).
6 Remove power cables from the back of hard drive, floppy drive, and CD ROM drive.
7 Remove the screw that holds the ground wire by the power switch.
8 Dis connect wires going to the power switch. Take note of which color wire is attached to
which connector on the switch.
9 Remove the three power supply mounting screws from the back of the CommPlete 4000.
10 Remove the power supply from the chassis.
11 To install a new power supply, follow steps 1-7 in reverse order and sense.
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a. Position the power supply into its place in the chassis.
b. Attach power supply to chassis rear (3 screws).
c. Re-attach power cables to hard-drive, floppy-drive, and CDROM drive.
d. Re-attach power cabling at midplane. The ISI cards and NIC may need to be
removed to attach cables.
e. Position card cage in its place in the chassis.
f. Attach card cage to chassis (2 screws).
g. Re-attach power switch wires and ground wires.
h. Replace top cover (7 screws).
CommPlete 4000 Communications Server Overview