Mx204 Router Grounding Specifications; Grounding Points Specifications; Grounding Cable Lug Specifications - Juniper MX204 Hardware Manual

MX204 Router Grounding Specifications

Grounding Points Specifications

To meet safety and electromagnetic interference (EMI) requirements and to ensure proper operation, the
router must be adequately grounded before power is connected. To ground AC-powered and DC-powered
routers, you must connect a grounding cable to earth ground and then attach it to the chassis grounding
points by using the two screws provided.
Figure 17 on page 57 shows the grounding point location on the router.
A protective earthing terminal bracket is required for connecting the chassis to earth ground. This two-holed
bracket attaches on the side of the chassis through the mounting rail and provides a protective earthing
terminal for the router. The grounding points are studs sized for 10–32 screws. The 10–32 screws are
provided with the MX204 router. The grounding points are spaced at 0.75-in. (19.1-mm) centers.
Two threaded holes are provided on the rear left side of the chassis for connecting the router to earth
ground. The grounding points fit 10–32 screws.
NOTE: Additional grounding is provided to an AC-powered router when you plug its power supply
modules into grounded AC power receptacles.
Figure 17: Grounding Points on the Router
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Rear panel

Grounding Cable Lug Specifications

You must provide one grounding cable lug that attaches to the grounding cable and 10–32 screws used
to secure the grounding cable to the grounding points.
CAUTION:
lug to the grounding and power cables that you supply. A cable with an incorrectly
attached lug can damage the router.
Before router installation begins, a licensed electrician must attach a cable
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