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receptacle. 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 faceplate to the 

ON

 ( 

|

 ) position.When the power

supply has powered on successfully, the green 

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 boots as the power supply completes its startup sequence. If the
Routing Engine finishes booting and you need to power off the router again, first
issue the CLI 

request system halt

 on page 111 or 

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 40: Installing an AC Power Supply

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:

■

■

110

■

Replacing Power System Components

M10i Internet Router Hardware Guide