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Before you begin these calculations:
Ensure that you understand the different router configurations. See
Configurations" on page
Ensure that you know the power requirements of different router components. See
for PTX10004 Components" on page
This topic describes these tasks:
How to Calculate the Power Consumption of Your PTX10004 Configuration | 91
1.
How to Calculate the Number of Power Supplies Required for Your PTX10004 Configuration | 92
2.
How to Calculate the Power Consumption of Your PTX10004 Configuration
Use the following procedure to determine the maximum power you need to supply to the router. To
calculate maximum system power consumption, you first determine the combined maximum internal power
requirements of all the router components and then divide this result by the power supply output power.
NOTE:
The calculations in this topic represent the maximum power requirements that you need
to budget for your PTX10004 router configuration. The actual power consumption of your router
will be less than the calculated results shown here and will vary based on the hardware and
software configuration of your router, the amount of traffic passing through the line cards, and
environmental variables such as room temperature.
To calculate maximum system power consumption:
1. Determine the maximum power consumption of the base chassis components (that is, the components
other than the line cards). Use
base or the redundant configuration.
Table 31: Chassis Power Consumption for Standard Configurations
Chassis Component
Fan tray
RCB
SIB
Total
28.
89.
Table 31 on page 91
BASE3 Configuration
1300 W
150 W
1050 W
2500 W
"PTX10004 Components and
if your router is configured as either for the standard
PREM2 Configuration
1300 W
300 W
1400 W
3000 W
"Power Requirements
PREM3 Configuration
1300 W
300 W
2100 W
3700 W
91
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