Juniper Networks MX480 - Manual (Page 325)

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.
CAUTION: Power cords and cables must not block access to device
components or drape where people could trip on them.
Related
Documentation
Connecting Power to an AC-Powered MX480 Router with Normal-Capacity Power
Supplies on page 105 •
• Replacing an MX480 AC Power Supply Cord on page 235
• AC Electrical Specifications for the MX480 Router on page 297
• Calculating Power Requirements for MX480 Routers on page 285
• AC Power Circuit Breaker Requirements for the MX480 Router on page 298
MX480 DC Power Specifications and Requirements
• DC Power Supply Electrical Specifications for the MX480 Router on page 301
• DC Power Circuit Breaker Requirements for the MX480 Router on page 302
• DC Power Source Cabling and Cable Specifications for the MX480 Router on page 303
DC Power Supply Electrical Specifications for the MX480 Router
Table 41 on page 301 lists the DC power supply electrical specifications. Table 42 on
page 302 lists the DC power system specifications.
Table 41: Power Supply Electrical Specifications
Specification Item
Normal-Capacity Power Supplies
1600 W Maximum output power
33.3 A @ –48 V nominal operating voltage DC input current rating
40 A Maximum Input Current
Operating Range: –40.5 VDC to –72 VDC
Nominal: –48 VDC
DC input voltage
301 Copyright © 2013, Juniper Networks, Inc.
Appendix D: Power Guidelines, Requirements, and Specifications for the MX480 Router