Grounding The Mx960 Router - Juniper MX960 Hardware Manual

MX960 3D Universal Edge Router Hardware Guide
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Grounding the MX960 Router

226
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. Use an
appropriately-sized driver or socket wrench. Ensure that the driver is
undamaged and properly calibrated and that you have been trained in its
use. You may wish to use a driver that is designed to prevent overtorque when
the preset torque level is achieved.
Grounding the MX960 Router on page 226
MX960 Router Grounding Specifications on page 145
Connecting Power to an AC-Powered MX960 Router with Normal-Capacity Power
Supplies on page 227
Connecting Power to a DC-Powered MX960 Router with Normal-Capacity Power
Supplies on page 233
You ground the router by connecting a grounding cable to earth ground and then attaching
it to the chassis grounding points using two screws. You must provide the grounding
cables (the cable lugs are supplied with the router).
Verify that a licensed electrician has attached the cable lug provided with the router
1.
to the grounding cable.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
2.
the strap to an approved site ESD grounding point. See the instructions for your site.
Ensure that all grounding surfaces are clean and brought to a bright finish before
3.
grounding connections are made.
Connect the grounding cable to a proper earth ground.
4.
Detach the ESD grounding strap from the site ESD grounding point.
5.
Attach an ESD grounding strap to your bare wrist and connect the strap to one of the
6.
ESD points on the chassis.
Place the grounding cable lug over the grounding points on the rear of the chassis.
7.
The left pair is sized for M6 screws, and the right pair is sized for UNC 1/4-20 screws.
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