Table 30: DC Power Supply Electrical Specifications (continued)
SpecificationItem
13 A @ –48 VDCDC input current rating
Related
Documentation
MX5, MX10, MX40, and MX80 Power System Description on page 35•
• Maintaining the MX5, MX10, MX40, and MX80 Power Supplies on page 161
• Replacing an MX5, MX10, MX40, and MX80 DC Power Supply on page 143
• MX5, MX10, MX40, and MX80 DC Power Electrical Safety Guidelines
• PowerConsumption for a DC-Powered MX5, MX10, MX40, and MX80 Router on page 60
• DC Power Circuit Breaker Requirements for the MX5, MX10, MX40, and MX80 Routers
on page 62
• DC Power Source Cabling for MX5, MX10, MX40, and MX80 Routers on page 62
• DC Power Cable Specifications for MX5, MX10, MX40, and MX80 Routers on page 63
Power Consumption for a DC-Powered MX5, MX10, MX40, and MX80 Router
To allow for future growth so that you can operate the router in any hardware configuration
without upgrading the power infrastructure, we recommend that you provision at least
13 A @ –48 VDC for each input.
Table 31 on page 60 and Table 32 on page 61 list the power requirements for base
DC-powered routers operating under typical voltage conditions.
If you do not plan to provision at least 13 A @ –48 VDC per input, you can use the
information in Table 31 on page 60, Table 32 on page 61, and Table 33 on page 61 to
calculate the power consumption @ –48 VDC and thermal output for your hardware
configuration.
Table 31: DC-Powered Base Router Power Requirements for the Fixed
MX80 Router
Current
Requirement
(Amps @
–48 VDC)
Power
Requirement
(Watts)Fixed Chassis Configuration
6.7 A
(approximate)
320 WChassis running at high activity, with four 10-Gigabit
Ethernet XFPs, and fans running at high speed
Copyright © 2017, Juniper Networks, Inc.60
MX5, MX10, MX40, and MX80 3D Universal Edge Router Hardware Guide
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