Juniper-networks MX480 Manual de usuario Pagina 313

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1
These values are at full load and nominal voltage.
2
For this configuration, total power is 1440 W.
3
Zone 0 requirement.
4. Calculate thermal output (BTUs). To calculate this, multiply the input power
requirement (in watts) by 3.41.
Table 34: Calculating Thermal Output
Thermal Output (BTUs per hour)Power Supply
1694 * 3.41 = 5777 BTU/hrMX480 AC Normal-capacity (high-line)
1618 * 3.41 = 5517 BTU/hrMX480 AC High-capacity (high-line)
1469 * 3.41 = 4879 BTU/hr
1
MX480 DC Normal-capacity
1469 * 3.41 = 5009 BTU/hr
1
MX480 DC High-capacity
1
Zone 0 output.
Related
Documentation
Power Requirements for an MX480 Router on page 289
AC Electrical Specifications for the MX480 Router on page 297
DC Power Supply Electrical Specifications for the MX480 Router on page 301
Power Requirements for an MX480 Router
The following tables list the MX480 component power requirements. Table 35 on page 289
lists the MX480 base system power requirement. Table 36 on page 290 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 36 on page 290 lists the MPC power requirements with MICs
and optics at various operating temperatures.
Table 35: MX480 Router Common Component Power Requirements
Power Requirement (Watts)Component
40 WBase system
220 WNormal-capacity cooling system
320 WHigh-capacity cooling system
289Copyright © 2013, Juniper Networks, Inc.
Appendix D: Power Guidelines, Requirements, and Specifications for the MX480 Router
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