Juniper MX960 Hardware Manual page 265

Copyright © 2017, Juniper Networks, Inc.
freely with your fingers when it is first placed onto the terminal stud.
Applying installation torque to the nut when improperly threaded may
result in damage to the terminal stud.
CAUTION: The maximum torque rating of the terminal studs on the DC
power supply is 58 lb-in. (6.5 Nm). The terminal studs may be damaged
if excessive torque is applied. Use only a torque-controlled driver or socket
wrench to tighten nuts on the DC power supply terminal studs.
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
Loosen the captive screw on the cable restraint on the lower edge of the power supply
8.
faceplate.
Route the positive and negative DC power cables through the left and right sides of
9.
the cable restraint.
Tighten the cable restraint captive screw to hold the power cables in place.
10.
Replace the clear plastic cover over the terminal studs on the faceplate.
11.
Verify that the power cables are connected correctly, that they are not touching or
12.
blocking access to router components, and that they do not drape where people could
trip on them.
Repeat Steps 3 through
13.
Chapter 17: Connecting the MX960 Router to Power
PEM0
and PEM3 must be powered by dedicated power feeds
. This configuration provides the commonly deployed
B
12 for the remaining power supplies.
and must be powered
PEM1
, and the DC power supplies
A
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