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5. Press the power switch for one power supply to the ON ( | ) position. On both AC and

DC power supplies, the switch is located on the power supply faceplate.

6. Verify that the OUTPUT OK LED lights steadily.

NOTE: After powering off a power supply, wait at least 60 seconds before

turning it back on. After powering on a power supply, wait at least 60

seconds before turning it off.

If the router is completely powered off when you power on the power

supply, the Routing Engine bootsasthe power supplycompletesits startup

sequence. If the Routing Engine finishes booting and you need to power

off the router again, see “Powering Off the M7i Router” on page 126.

After a power supply is powered on, it can take up to 60 seconds for status

indicators—such as the output status LED on the power supply, the

command display output, and messages on the LED display on the craft

interface—toindicate that the power supplyis functioning normally. Ignore

error indicators that appear during the first 60 seconds.

7. Press the power switch for the second power supply to the ON ( | ) position and verify

that the OUTPUT OK LED lights steadily. If the LED does not light after 60 seconds,

verify that the power supply is properly inserted into the chassis and repeat the cable

installation procedures described in “Connecting Power to an AC-Powered M7i Router”

on page 123 or “Connecting Power to a DC-Powered Router” on page 124.

8. On the external management device connected to the Routing Engine, monitor the

startup process to verify that the system has booted properly.

Documentation

Troubleshooting the M7i Power System When the LED on One M7i Power Supply Is Off

on page 206

•

• Troubleshooting the M7i Power System When the LEDs on All M7i Power Supplies Are

Blinking or Off on page 206

• General Electrical Safety Guidelines and Electrical Codes for M Series, MX Series, and

T Series Routers on page 254

Powering Off the M7i Router

To power off the router:

1. On the console or other management device connected to the master Routing Engine,

enter CLI operational mode and issue the following command to shut down the router

software. (If two Routing Engines are installed, also issue the command on the backup

Routing Engine.)

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