Juniper MX2020 Hardware Manual page 296

MX2020 3D Universal Edge Router Hardware Guide
264
CAUTION: The maximum torque rating of the terminal studs on the DC
PDM is 25 lb-in. (33.89 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 PDM terminal studs.
NOTE: The DC PDMs in slots
and PDM3/Input1
feed , or feed
A
feed redundancy for the system to balance the power draw.
Close the plastic cable restraint cover over the terminal studs on the faceplate.
9.
Route the positive and negative DC power cables through the left and right sides of
10.
the cable restraint.
Tighten the cable restraint captive screw to hold the power cables in place.
11.
CAUTION: The maximum torque rating of the cable restraint screws on
the DC PDM is 25 lb-in. (33.89 Nm). Use only a torque-controlled screw
driver to tighten screws on the DC PDM cable restraint.
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.
PDM0/Input0
can be powered by dedicated power feeds derived from
. This configuration provides the commonly deployed
B
12 for the remaining PDMs.
, ,
PDM2/Input0 PDM1/Input1
Copyright © 2015, Juniper Networks, Inc.
,
A/B