M10I Ac Power Supply Description; Figure 10: M10I Router Power Supplies - Juniper M10i Hardware Manual

Figure 10: M10i Router Power Supplies

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M10i AC Power Supply Description

Copyright © 2010, Juniper Networks, Inc.
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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, see "Powering Off an M10i Router" on page 71.
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.
M10i AC Power Supply Description on page 25
M10i DC Power Supply Description on page 26
Troubleshooting the M10i Power System on page 95
Replacing an M10i AC Power Supply on page 121
Replacing an M10i DC Power Supply on page 125.
An AC-powered router has up to three load-sharing AC power supplies, located at the
bottom rear of the chassis, as shown in Figure 2 on page 6. For information about power
supply redundancy and replaceability, see "M10i Power System Description" on page 24.
The router must have at least two AC power supplies, and any two AC power supplies
can provide full power to the router. Three power supplies are required for redundancy.
Chapter 2: M10i Hardware Components
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