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Power On the Router

To power on the router, follow this procedure:

  1. Make certain that the power supplies are fully inserted in the chassis and the thumbscrews on their faceplates are tightened.
  2. For both power supplies on an AC-powered router, make certain that the ends of the power cord are firmly plugged into the appliance inlet on the power supply faceplate and the external power source receptacle.

For both power supplies on a DC-powered router, make certain that the positive (+) source DC power cable lug is connected to the return terminal (labeled RTN) and the negative (-) power cable lug is connected to the input terminal (labeled -48V).

  1. Turn on the power to the management device that is connected to the Routing Engine through the craft interface port labeled CONSOLE, AUXILIARY, or MANAGEMENT ETHERNET. For more information on connecting management devices, see Connect the Router to Management and Alarm Devices.
  2. Press the power switch on one power supply to the ON ( | ) position. Verify that the green LED labeled OK on the power supply faceplate eventually lights steadily.  

    After a power supply is turned on, it can take up to 60 seconds for status indicators—such as LEDs on the power supply, show chassis commands, and messages on the craft interface LCD—to indicate that the power supply is functioning normally. Ignore error indicators that appear during the first 60 seconds.

    The Routing Engine boots as the power supply completes its startup sequence. If the Routing Engine finishes booting and you need to power down the router again, first issue the CLI request system halt command. For complete instructions, see Disconnect AC Power from the Router or Disconnect DC Power from the Router.

    If after powering on the power supply you must power it off, wait at least 60 seconds. After powering off a power supply, wait 60 seconds before turning it back on.

  3. Press the power switch on other power supply to the ON ( | ) position and confirm that the OK LED lights as described in Step 4. If the LED is not lit after 60 seconds, repeat the power supply and cable installation procedures described in Reinstall the Power Supplies, and Connect Power to an AC-Powered Router or Connect Power to a DC-Powered Router.
  4. On the management device, monitor the startup process to verify that the system has booted properly.
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