Datasheet

Related
Documentation
M7i AC Power Supply on page 24•
• Connecting Power to an AC-Powered M7i Router on page 61
• Replacing an M7i AC Power Supply on page 111
• Replacing an AC Power Cord
• M7i Router Power Requirements on page 167
• M7i Router AC Power, Connection, and Power Cord Specifications on page 168
M7i Router DC Power Specifications and Requirements
•
M7i Chassis Grounding, Connection, and Cable Specifications on page 171
•
M7i DC Power Cable and Cable Lug Specifications on page 172
•
M7i Router DC Power Supply Specifications on page 174
M7i Chassis Grounding, Connection, and Cable Specifications
To ground a router, connect a grounding cable to earth ground and then attach it to the
chassis grounding point on the rear of the chassis.
Table 22 on page 171 summarizes the specifications for the groundingcable, which you
must supply.
Table 22: Grounding Cable Specifications
Maximum
Equal
LengthQuantity and Specification
NoneOne 14-AWG (2.08 mm
2
) single-strand-count wire cable
Figure 62 on page 172 shows the location of the grounding point on the upper left side of
the M7i router above the power supplies.
CAUTION: Beforerouter installation begins, alicensedelectricianmust attach
a cable lug to the grounding cable that you supply. A cable with an incorrectly
attached lug can damage the router.
171Copyright © 2012, Juniper Networks, Inc.
Appendix D: Power Guidelines, Requirements, and Specifications for the M7i Router