Juniper M10i Hardware Manual page 143

Insert the negative (–) source cable into the input terminal, which is labeled
b.
.
48V
NOTE: The DC power supplies in slots
power feeds derived from feed A, and the DC power supplies in slots
must be powered by dedicated power feeds derived from feed B. This configuration
3
provides the commonly deployed
information about connecting to DC power sources, see
177 and "DC Power, Connection, and Cable Specifications"
Verify that the DC source power cabling and the grounding cabling are correct,
9.
that they are not touching or blocking access to router components, and that
they do not drape where people could trip on them.
Turn on the DC power source so that voltage flows to the router.
10.
Turn on the power to a management device that is connected to the Routing
11.
Engine (through the craft interface port labeled
For more information on connecting management devices, see
Connectors to Routing Engine Interface Ports"
Press the power switch on two power supply faceplates to the
12.
the power supply has powered on successfully, the green
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
AC Power from the Router"
on page 117.
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.
13. Press the power switch for the remaining power supplies to the
and observe the LEDs on each power supply faceplate. They should light as
described in the previous step.
Chapter 13: Replacing Hardware Components
and
P/S 0 P/S 1
A/B feed redundancy for the system. For
AUX/MODEM
on page 130.
command. For more information, see
on page 111 or
"Disconnecting DC Power from the
show chassis
Replacing Power System Components
must be powered by dedicated
P/S 2 and
"Chassis Grounding" on page
on page 179.
, , or
CONSOLE MGMT
"Replacing
ON position. When
LED lights
OUTPUT OK
"Disconnecting
commands—to
ON ( | ) position
P/S
).
119