CHAPTER 12
DC Power Specifications
•
MX104 DC Power Specifications on page 99
•
MX104 DC Power Cable and Lug Specifications on page 100
MX104 DC Power Specifications
The MX104 power supply contains DC power terminals to connect power to the router
and supports the specifications shown in Table 70 on page 99.
Table 70: DC Power Electrical Specifications
SpecificationItem
Power Supplies
•
18 to 30 VDC; nominal 24 VDC
•
–39 to –56 VDC; nominal 48 VDC
•
–39 to –72 VDC; nominal 60 VDC
DC input voltages
•
40 A @ 24 VDC
•
20 A @ –48 VDC
•
15 A @ –60 VDC
DC input currents
800 WMaximum power supply output
System
800 WMaximum output power
Each DC power supply has a single DC input (24, –48, or –60 VDC and return) that
requires a dedicated circuit breaker. We recommend that you use a facility circuit breaker
rated for 40 A @ 24 VDC. Doing so enables you to operate the router in any configuration
without upgrading the power infrastructure, and allows the router to function at full
capacity using multiple power supplies.
Related
Documentation
Connecting DC Power Cables to the MX104 Router on page 117•
• Replacing an MX104 DC Power Supply on page 177
• MX104 DC Power Electrical Safety Guidelines on page 247
99Copyright © 2017, Juniper Networks, Inc.
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