Two threaded holes are provided on the upper rear of the chassis for connecting the
router to earth ground. The grounding points fit SAE 10-32 screws (American). The
grounding points are spaced at 0.625-in. (15.86-mm) centers.
NOTE: Additional grounding is provided to an AC-powered router when you
plug its power supplies into grounded AC power receptacles.
Figure 23: Grounding Points on MX5, MX10, MX40, and MX80 Routers
g005009
CLOCK
SYNC
Protective
earthing terminal
(grounding points)
Grounding Cable Lug Specifications
The accessory box shipped with the router includes one cable lug that attaches to the
grounding cable (see Figure 24 on page 63) and two SAE 10–32 screws used to secure
the grounding cable to the grounding points.
Figure 24: Grounding Cable Lug
All measurements in inches
0.2
dia.
6 AWG conductor
1.69
0.625
g005042
0.38
End view
0.06
CAUTION: Before routerinstallationbegins, a licensed electricianmust attach
a cable lug to the grounding and power cables that you supply. A cable with
an incorrectly attached lug can damage the router.
Grounding Cable Specifications
You must provide one grounding cable that meets the following specifications: 6-AWG
(13.3 mm
2
), minimum 60° C wire, or as required by the local code.
See Also Tools and Parts Required for MX5, MX10, MX40, and MX80 Router Grounding and
Power Connections on page 83
•
63Copyright © 2019, Juniper Networks, Inc.
Chapter 2: Site Planning, Preparation, and Specifications
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