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Removing an M7i AC Power Cord
Before removing the AC power cord from an M7i router with only one power supply, you
must power off the router. See “Powering Off the M7i Router” on page 64. To remove the
AC power cord:
1. Press the power switch on each power supply faceplate to the OFF (O) position.
2. Unplug the power cord from the appliance inlet on the faceplate and from the power
source receptacle.
Installing an M7I AC Power Cord
To install an M7i AC power cord:
1. Locate a replacement power cord with the type of plug appropriate for your
geographical location (see “M7i Router AC Power, Connection, and Power Cord
Specifications” on page 168).
2. Verify that the router is attached to a proper earth ground.
3. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and connect
the strap to one of the ESD points on the chassis.
4. Press the power switch on the power supply faceplate to the OFF (O) position.
5. Insert the appliance coupler end of the replacement power cord into the appliance
inlet on the power supply faceplate
6. Insert the plug into an AC power source receptacle.
7. Verify that the power cord does not block access to router components or drape where
people could trip on it.
8. Press the power switch on the power supply faceplate to the ON ( |) position. When
the power supply has powered on successfully, the green OUTPUT OK LED lights
steadily.
Installing an M7i AC Power Cord
To install an AC power cord:
1. Locate a replacement power cord with the type of plug appropriate for your
geographical location (see “M7i Router AC Power, Connection, and Power Cord
Specifications” on page 168).
2. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and connect
the strap to one of the ESD points on the chassis.
3. Insert the appliance coupler end of the replacement power cord into the appliance
inlet on the power supply faceplate and insert the plug into an AC power source
receptacle.
4. Verify that the power cord does not block access to router components or drape where
people could trip on it.
115Copyright © 2012, Juniper Networks, Inc.
Chapter 15: Replacing M7i Hardware Components