Juniper M320 Hardware Manual page 284

M320 Multiservice Edge Router Hardware Guide
256
Remove the nuts and washers from the terminal studs (see
7.
(Use a 7/16-in. (11 mm) nut driver.)
Remove the cable lug from the terminal studs.
8.
Loosen the captive screw on the cable restraint on the right edge of the power supply
9.
faceplate.
Carefully move the power cable out of the way.
10.
Attach the lug on the replacement power cable to the terminal studs, making sure
11.
the cable is not touching or in the way of any router components.
Attach the lugs on the DC source power cables to the terminal studs.
12.
Attach the lugs on the positive (+) DC source power cables to the terminal studs.
a.
Attach the lugs on the negative (–) DC source power cables to the terminal studs.
b.
Secure each cable lug to the terminal stud, first with a washer, then with a nut. Use a
7/16-in. (11 mm) nut driver or socket wrench to tighten the nut. Apply between 23 lb-in.
(2.6 Nm) and 25 lb-in. (2.8 Nm) of torque to each nut.
NOTE: The DC power supplies in slots
by dedicated power feeds derived from feed
in slots
PEM2
derived from feed
feed redundancy for the system.
A/B
Route the power cable through the cable restraint.
13.
Tighten the cable restraint captive screw to hold the power cable in place.
14.
Replace the clear plastic cover over the terminal studs on the faceplate.
15.
Attach the power cable to the DC power source.
16.
Verify that the DC source power cabling and grounding cabling are correct, that they
17.
are not touching or blocking access to router components, and that they do not drape
where people could trip on them.
Switch the circuit breaker on the DC power supply faceplate to the on position (
18.
Verify that the OUTPUT OK
lights steadily approximately 1 minute after you switch the power supply circuit breaker
on.
PEM0
and must be powered by dedicated power feeds
PEM3
B . This configuration provides the commonly deployed
status LED on the power supply faceplate blinks, then
Figure 109 on page
and PEM1 must be powered
, and the DC power supplies
A
Copyright © 2015, Juniper Networks, Inc.
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