Grounding The Mx240 Router - Juniper MX240 Hardware Manual

MX240 3D Universal Edge Router Hardware Guide
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Grounding the MX240 Router

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Documentation
198
of 50 lb-in. or less. 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 MX240 Router on page 198
Preventing Electrostatic Discharge Damage to an MX240 Router on page 444
MX240 Chassis Grounding Specifications on page 157
You ground the router by connecting a grounding cable to earth ground and then attaching
it to the chassis grounding points using UNC 1/4-20 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 electrostatic discharge (ESD) grounding strap to your bare wrist and connect
6.
the strap to one of the ESD points on the chassis.
Place the grounding cable lug over the grounding points on the upper rear of the
7.
chassis. The bolts are sized for UNC 1/4-20 bolts.
Secure the grounding cable lug to the grounding points, first with the washers, then
8.
with the screws.
Dress the grounding cable and verify that it does not touch or block access to router
9.
components, and that it does not drape where people could trip on it.
Tools and Parts Required for MX240 Router Grounding and Power Connections on
page 197
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