Calculating Power Requirements for MX480 Routers
The information in this topic helps you determine which power supplies are suitable for
various configurations, as well as which power supplies are not suitable because output
power is exceeded. You determine suitability by subtracting the total power draw from
the maximum output of the power supplies. Afterward, the required input power is
calculated. Finally, you calculate the thermal output. A sample configuration is provided
in
We recommend that you provision power according to the maximum input current listed
in the power supply electrical specifications (see
“AC Electrical Specifications for the
and
“DC Power Supply Electrical Specifications for the MX480
).
Use the following procedures to calculate the power requirement:
1.
Calculate the power requirement.
2.
Evaluate the power budget.
3.
Calculate input power.
4.
Calculate thermal output (BTUs) for cooling requirements.
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