Related
Documentation
M120 AC Power Supply Description on page 72•
• Maintaining the M120 Power Supplies on page 277
• Electrical Specifications for the M120 AC Power Supply on page 95
Replacing an M120 AC Power Supply Cord
To replace the power cord for an AC power supply:
1. Locate a replacement power cord with the type of plug appropriate for your
geographical location (see “M120 AC Power, Connection, and Power Cord
Specifications” on page 93).
2. Attach an ESD grounding strap to your bare wrist and connect the strap to one of the
ESD points on the chassis.
3. Move the power switch on the power supply faceplate to the standby position.
4. Unplug the power cords from the power source receptacles.
5. Remove the cable restraint from the lower edge of the power supply faceplate by
removing its retainer screw.
6. Remove the cable restraint from the power cord and save it so you can use it on the
replacement power cord.
7. Unplug the power cord from the appliance inlet on the power supply faceplate.
8. Insert the appliance coupler end of the replacement power cord into the appliance
inlet on the power supply faceplate.
9. Wrap the cable restraint around the power cord, then slide it along the power cord to
a position that enables you to reinstall it in the power supply faceplate.
10. Reinstall the cable restraint by tightening its retainer screw part of the way into the
power supply faceplate.
11. Carefully pull the AC power cords through the cable restraint until you have the desired
amount of slack in the power cord.
12. Tighten the cable restraint retainer screw to hold the power cords in place.
Copyright © 2018, Juniper Networks, Inc.244
M120 Multiservice Edge Router Hardware Guide
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