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Parameter
Input Voltage
Use the following steps to install a DC PEM:
Step
Task
Make sure that the remote power source (the circuit breaker panel) is in the OFF position.
1
Make sure that the over-current protector (located on the PEM front panel) is in the OFF position.
2
Loosen the retaining screw and remove the PEM safety cover.
3
R etaining
s crew
S afety
cover
Slide the PEM into the 0 or 1 slot
4
Lift up and hold the PEM interlock lever and carefully push the unit inward to fully seat it to the backplane.
a
When the PEM is fully inserted, the interlock lever will drop to hold the PEM in position.
Tighten the two locking screws with a #2 Phillips screw driver to secure the PEM. Do not exceed
b
5 inch/lbs torque.
Over current protector
PEM interlock lever
Locking screws
Specifications
-48 to -60 Vdc
(Figure
b):
Installing DC Power Supplies
37
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