Juniper M7i Hardware Manual page 206

M7i Multiservice Edge Router Hardware Guide
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NOTE: After powering on a power supply, wait at least 60 seconds before
turning it off.
If you have only one power supply or the router is completely powered off when you
7.
power on the power supply, the Routing Engine boots as the power supply completes
its startup sequence.
On the external management device connected to the Routing Engine, monitor the
startup process to verify that the system has booted properly.
NOTE: If the Routing Engine finishes booting and you need to power off
the router again, see
powering off a power supply, wait at least 60 seconds before turning it
back on.
Check the LEDs on the power supply faceplate. When the power supply has powered
8.
on successfully, the green
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—to indicate that the
power supply is functioning normally. Ignore error indicators that appear during the
first 60 seconds.
If the LEDs are not lit in the appropriate pattern after 60 seconds, repeat the procedures
to replace the AC power cord.
M7i AC Power Electrical Safety Guidelines and Warnings on page 254
M7i Router AC Power Supply Specifications on page 85
Replacing an M7i AC Power Supply on page 177
Removing an M7i AC Power Cord on page 181
M7i AC Power Electrical Safety Guidelines and Warnings on page 254
M7i Router AC Power Supply Specifications on page 85
Replacing an M7i AC Power Supply on page 177
"Powering Off the M7i Router" on page
LED lights steadily.
OUTPUT OK
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