Juniper MX2020 Quick Start Manual page 59

3d universal edge router

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Figure 40: Connecting Ground and DC Power Cables

Grounding points

(on chassis)

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 the nut is improperly threaded

might result in damage to the terminal stud.

CAUTION:

The maximum torque rating of the terminal studs on the DC

PDM is 25 lb-in. (33.89 Nm). The terminal studs might 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:

For information about connecting to DC power sources, see the

MX2020 3D Universal Edge Router Hardware Guide.

Connect each DC power cable to the appropriate external DC power source.

NOTE:

For information about connecting to external DC power sources,

see the MX2020 3D Universal Edge Router Hardware Guide.

Connect Power to a DC Power Distribution Module

Cable

Flat

Terminal

lug

washer

studs

Split

washer

Nut

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