Juniper M10i Hardware Manual page 153

Copyright © 2010, Juniper Networks, Inc.
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Insert the DC power cable lugs into the appropriate field-wiring terminals. Using a
11.
number 1 Phillips screwdriver, turn the screw on each field-wiring terminal clockwise
to secure the DC power cable lug. Apply between 8 lb-in. (.9 Nm) and 9 lb-in. (1.02
Nm) of torque to each screw.
Insert the positive (+) source cable into the return terminal, which is labeled
a.
Insert the negative (–) source cable into the input terminal, which is labeled
b.
NOTE: The DC power supplies in slots
by dedicated power feeds derived from feed A, and the DC power supplies
in slots
P/S 2
from feed B. This configuration provides the commonly deployed
redundancy for the system.
Verify that the DC source power cabling is correct, that the DC power cables are not
12.
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 power supply.
13.
Press the switch on the power supply faceplate to the
14.
power supply has powered on successfully, the green
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.
Chapter 15: Replacing M10i Hardware Components
and must be powered by dedicated power feeds derived
P/S 3
and must be powered
P/S 0 P/S 1
A/B
ON ( | ) position. When the
OUTPUT OK LED lights steadily.
.
RTN
–48V .
feed
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