Calculating Power Consumption For Your Configuration; Calculating System Power Requirements - Juniper PTX5000 Hardware Manual

Table 53: Power Requirements for PTX5000 Components (continued)
Component
P2-100GE-CFP2
P2-100GE-OTN
P1-PTX-2-100G-WDM

Calculating Power Consumption for your Configuration

Copyright © 2017, Juniper Networks, Inc.
25° C (77° F) Ambient Temperature
60 W
135 W
250 W
By using the information provided in
consumption for your configuration.
Determine the ambient temperature for your installation—25° C (77° F) or 40° C (104°
1.
F).
Determine the output power in watts by adding together the power requirements for
2.
all the components in your chassis. The configuration must include:
One or two host subsystems
One vertical fan tray
Two horizontal fan trays
SIBs
NOTE: Table 53 on page 124
SIBs.
Any FPCs or PICs specific to your configuration
Determine the power consumption in watts by dividing the total output power
3.
requirements by the power efficiency:
PTX5000 AC and DC normal-capacity power supply module (PSM) efficiency is
approximately 88% at full load and nominal voltage.
PTX5000 AC and DC high capacity PSM efficiency is approximately 90% at full
load and nominal voltage.
Chapter 9: Calculating System Power Requirements
40° C (104° F) Ambient Temperature
70 W
160 W
264 W
Table 53 on page 124, you can calculate the power
lists the total power requirements for nine
125