Table 87: Power Supply Electrical Specifications (continued)
SpecificationItem
70 A (DIP=1)60 A (DIP=0)Maximum Input Current
2440 W2240 WMaximum output power
54.2 A @ -48 VDC normal operating
voltage
50 A @ -48 VDC normal operating
voltage
DC input current rating
Operating Range: –40.5 VDC to –72 VDC
Nominal: –48 VDC
DC input voltage
~98%Efficiency
NOTE: This value is at full
load and nominal voltage.
Table 88: Power System Specifications
High-CapacityNormal-CapacityItem
2+22+2Redundancy
70 A (DIP=1)60 A (DIP=0)1600 WOutput power
(maximum) per
supply
2440 W2240 W
5200 W4800 W3200 WOutput power
(maximum) per
system
Related
Documentation
Calculating Power Requirements for MX480 Routers on page 149•
• DC Power Circuit Breaker Requirements for the MX480 Router on page 171
Power Requirements for an MX480 Router
The following tables list the MX480 component power requirements.Table 78 on page 140
lists the MX480 base system power requirement. Table 79 on page 141 lists the FRU
power requirements for Switch Control Boards (SCBs), Routing Engines, Modular Port
Concentrators (MPCs), Modular Interface Cards (MICs), and Dense Port Concentrators
(DPCs). In addition, Table 79 on page 141 lists the MPC power requirements with MICs
and optics at various operating temperatures.
Copyright © 2017, Juniper Networks, Inc.158
MX480 3D Universal Edge Router Hardware Guide
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