M7I Ac Power Supply; Figure 16: Ac Power Supply - Juniper M7i Hardware Manual

M7i Multiservice Edge Router Hardware Guide
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M7i AC Power Supply

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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
see .
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.
M7i AC Power Supply on page 60
M7i DC Power Supply on page 61
Removing an M7i AC Power Supply on page 177
Troubleshooting the M7i Power System When the LED on One M7i Power Supply Is Off
on page 206
An AC-powered router has one or two load-sharing AC power supplies, located at the
bottom rear of the chassis, as shown in
supply redundancy and replaceability, see
Figure 16 on page 60 shows the power supply.

Figure 16: AC Power Supply

Table 48 on page 85
M7i Power Supply LEDs on page 61
command. For more information,
request system halt
Figure 6 on page 12. For information about power
"M7i Power System Description" on page
Copyright © 2019, Juniper Networks, Inc.
59.