Juniper MX480, Руководство по оборудованию

Страница: 145 / 420

Figure 41: Grounding Cable Lug
Crimp area
6 AWG conductor
All measurements in inches
0.28
diameter
each hole
2.25
0.25 0.37 0.625 g001188
0.55
End view
0.08
CAUTION: Before router installation begins, a licensed electrician must attach
a cable lug to the grounding and power cables that you supply. A cable with
an incorrectly attached lug can damage the router.
NOTE: The same cable lug is used for the DC power cables.
MX480 Router Grounding Cable Specifications
The grounding cable that you provide must meet the specifications in Table 79 on page 145 .
Table 79: Grounding Cable Specifications
Quantity and Specification Cable Type
One 6-AWG (13.3 mm
2
), minimum 60°C wire, or as required by the local code Grounding
WARNING: The router is pluggable type A equipment installed in a
restricted-access location. It has a separate protective earthing terminal
(sized for UNC 1/4-20 ground lugs) provided on the chassis in addition to the
grounding pin of the power supply cord. This separate protective earthing
terminal must be permanently connected to earth.
See Also Tools and Parts Required for MX480 Router Grounding and Power Connections on
page 203
•
•
Grounding the MX480 Router on page 204
•
Preventing Electrostatic Discharge Damage to an MX480 Router on page 388
145 Copyright © 2019, Juniper Networks, Inc.
Chapter 2: Site Planning, Preparation, and Specifications