Datasheet

WARNING: For field-wiring connections, use copper conductors only.
NOTE: Power cords and cables must not block access to router components
or drape where people could trip on them.
Figure 63 on page 173 shows how to attach the DC power cables. The power cables insert
into the field-wiring terminals located on each power supply— the input terminal is labeled
-48V and the return terminal is labeled RTN.
Figure 63: DC Power Cable Connections
DC Power Lugs
CAUTION: Beforerouter installation begins, alicensedelectricianmust attach
a cable lug to the power cables that you supply. A cable with an incorrectly
attached lug can damage the router (for example, by causing a short circuit).
Related
Documentation
M7i DC Power Supply on page 25
Replacing a DC Power Supply on page 116
Replacing an M7i DC Power Cable on page 120
M7i Router Power Requirements on page 167
M7i Router DC Power Supply Specifications on page 174
General Electrical Safety Guidelines and Electrical Codes for M Series, MX Series, and
T Series Routers on page 151
173Copyright © 2012, Juniper Networks, Inc.
Appendix D: Power Guidelines, Requirements, and Specifications for the M7i Router