Replace Power System Components

8.Press the power switch on the faceplate to the ON ( ) position.Verify that the blue OUTPUT OK LED eventually lights steadily.

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 down when you power on the power supply, 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 more information, see “Disconnect AC Power from the Router” on page 102 or “Disconnect DC Power from the Router” on page 109.

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

Figure 35: Install an AC Power Supply

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Safety lever

Disconnect and Connect AC Power

The power cord that plugs into the appliance inlet on the faceplate of each AC power supply provides direct connection to the external power source. See the following sections:

Disconnect AC Power from the Router on page 102

Connect AC Power to the Router on page 102

Replace Hardware Components

101

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Image 121
Juniper Networks M5, M10 manual Disconnect and Connect AC Power, 101