Remove a DC Power S
upply
2. Press the power switch for the power supply (located on the power supply faceplate) to
the OFF (O) position.
If you are power cycling the power supply rather than shutting it off for a
time, wait at least 60 seconds after turning it off before turning it back on. If
you need to power it off again, wait for at least 60 seconds after powering
it on.
3. Shut off the power flowing to the power supply from the external power source, so that
the voltage across t
he leads of the power cables is 0 V. Ensure that there is no chance
that the cable leads might become active during the procedure.
4. Loosen the screws securing the clear cover over the field-wiring terminals and remove
the cover.
5. Using a #1 Phillips screwdriver, turn the screw on each field-wiring terminal
counter-clockwi
se to loosen the terminal connector from around the cable.
6. Remove the cables
from the terminal connectors and from the hook located on the
faceplate to the right of the field-wiring terminal.
7. Loosen the thumbscrew at each corner of the power supply faceplate, using a Phillips
screwdriver if necessary.
8. Grasp the handle on the power supply faceplate and pull firmly to slide the unit
about halfway o
ut of the chassis.
9. Place one hand u
nder the power supply to support it, then slide it completely out of
the chassis.
Figure 8: Remove a DC Power Supply from an M7i Router
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10 M7i and M10i Internet Routers Power Supply Installation Instructions
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