Power Consumption For A Dc-Powered Router - Juniper MX204 Hardware Manual

MX204 3D Universal Edge Router Hardware Guide
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Power Consumption for a DC-Powered MX204 Router
Power Requirements for MX204 Components
50
Table 26: DC Power Supply Electrical Specifications (continued)
Item
DC input current rating
MX204 Power System Description on page 21
Maintaining the MX204 Power Supplies on page 116
Replacing an MX204 DC Power Supply on page 99
DC Power Circuit Breaker Requirements for the MX204 Router on page 51
Use the information in this topic to determine the power consumption for your router
and plan the amount of power you need to provide to the router.
Power Requirements for MX204 Components on page 44
Calculating System Thermal Output on page 45
Table 27 on page 50 lists the power requirements for various hardware components when
the router is operating under typical and maximum voltage conditions.
Table 27: Power Requirements for MX204 Components
Component
Fully loaded MX204 router
Table 28 on page 50 lists the power requirements for the fully configured DC-powered
routers operating under typical voltage conditions.
Table 28: MX204 Router DC Router Power Requirements at Typical Temperature (25°
C)
Chassis Configuration
Fully configured chassis
running at high activity
Table 29 on page 51 lists the power requirements for the fully configured DC-powered
routers operating under maximum voltage conditions.
Specification
20 A @ –44 VDC
Power
Requirement at
25° C (Watts;
Typical)
240 W
Power Requirement at 25° C
(Watts)
240 W
Power Requirement
at 55° C (Watts;
Maximum)
280 W
Power Requirement (Watts)
with 90% Efficiency
266 W
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