Table 28: Dc Power System Electrical Specifications; Table 29: Dc Power Supply Electrical Specifications - Juniper MX240 Hardware Manual

DC Power System Electrical Specifications
Table 28 on page 167 lists the DC power system electrical specifications.

Table 28: DC Power System Electrical Specifications

DC Power Supply Electrical Specifications
Table 29 on page 167 lists the DC power supply electrical specifications.

Table 29: DC Power Supply Electrical Specifications

Power Consumption for DC-Powered Routers
NOTE: If you plan to operate a maximally configured DC-powered router, we
recommend that you provision at least 31 A @ –48 VDC per input for each power
supply.
If you do not plan to provision at least 31 A @ –48 VDC per input for each power
supply, you can use the information in Table 30 on page 168 and Table 31 on page
168 to calculate the power consumption @ –48 VDC and thermal output for your
hardware configuration.
Table 30 on page 168 lists the power requirements for base AC-powered routers
operating under typical voltage conditions and includes nonredundant and redundant
Item Specification
DC input voltage Operating range: –40.5 to –72 VDC
DC system current rating 31 A @ –48 VDC per input (maximum)
DC system input power 29.58 A @ –48 VDC (1,420 W DC)
Item Specification
Maximum output power 1600 W
DC input voltage Minimum: –40.5 VDC
Nominal: –48 VDC, –60 VDC
Operating range: –40.5 to –72 VDC
DC input current rating 33.3 A @ –48 VDC
Internal supplementary 40 A
protector
Appendix D: Power Guidelines, Requirements, and Specifications
DC Power Specifications and Requirements
167