Ac Power Supply - Juniper M10i Hardware Manual

M10i Internet Router Hardware Guide
Power supplies are hot-removable and hot-insertable, as described in
Units (FRUs)"
in
Supply"
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
AC Power from the Router"
Router"
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
indicate that the power supply is functioning normally. Ignore error indicators that
appear during the first 60 seconds.
See the following sections for further information about power system components:

AC Power Supply

An AC-powered router has two or more load-sharing AC power supplies, located at
the bottom rear of the chassis, as shown in
supply redundancy and replaceability, see
Figure 7
For information about the LED, see
20
Power Supplies
on page 3. To avoid electrical injury, carefully follow the instructions
"Replacing an AC Power Supply"
on page 112.
request system halt
on page 111 or
on page 117.
on page 20
AC Power Supply
DC Power Supply on page 21
on page 22
Power Supply LED
shows the power supply and
on page 107 and
"Replacing a DC Power
command. For more information, see
"Disconnecting DC Power from the
show chassis
. For information about power
Figure 2
"Power Supplies"
Table 11 on page 21 lists electrical specifications.
on page 22.
"Power Supply LED"
"Field-Replaceable
"Disconnecting
commands—to
on page 19.