Juniper MX240 Hardware Manual page 233

Copyright © 2017, Juniper Networks, Inc.
CAUTION: Ensure that each power cable lug seats flush against the surface
of the terminal block as you are tightening the nuts. Ensure that each nut
is properly threaded onto the terminal stud. The nut should be able to spin
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 36 lb-in. (4.0 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 supply in slot
power feed derived from feed
must be powered by a dedicated power feed derived from feed
configuration provides the commonly deployed
the system.
Replace the clear plastic cover over the terminal studs on the faceplate.
8.
Verify that the power cables are connected correctly, that they are not touching or
9.
blocking access to router components, and that they do not drape where people could
trip on them.
If you are installing two power supplies, repeat Steps
10.
supply.
Chapter 17: Connecting the MX240 Router to Power
PEM0 must be powered by a dedicated
, and the DC power supply in slot
A
A/B feed redundancy for
3 through 9 for the other power
PEM2
. This
B
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