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Step
Task (continued)
Slide the PEM into either power slot 0 or 2 (see
4
slots 0 and 2.
NOTE:
Fill all empty slots with blank panels (power supply blank).
Figure 8-2. Insert 2 DC PEMs in Slots 0 and 2
Over-Current Switch
Safety Cover
Secure the PEM in place by tightening the retaining latch on each module so that the arrow points down
5
(Figure
8-1).
Secure the chassis ground connection:
6
WARNING:
Locate the chassis ground connector stud on the PEM front panel (see
safety cover.
Remove the nut and washer from the ground stud.
Apply a coat of anti-oxidant paste to the connector stud, if required.
Install the grounding cable. This cable is typically green or green and yellow.
NOTE:
Termination points require UL-listed 1-hole lug with a 1/4-inch hole.
Replace the washer and nut on the stud.
Secure the nut with a nut driver or torque wrench (not to exceed 4 ft/lbs).
Connect the opposite end of the grounding cable to the appropriate nearest grounding.
Remove the outer nuts and washers from each of the remaining studs.
7
Handle
You must complete the ground connection before proceeding with any other PEM connection.
(Figure
8-2). If you are installing redundant PEMS, install in both
Retaining Latch
Power Supply Blank
Figure
8-3). It is the single stud below the
Installing DC Power Entry Modules
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37
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