T640 Ac Power Requirements; Table 78: T640 Base Ac Power Requirements; Table 79: Typical Ac Power Requirements For T640 Components - Juniper T640 Hardware Manual

T640 AC Power Requirements

Copyright © 2017, Juniper Networks, Inc.
T640 AC Power Electrical Safety Guidelines on page 537
T640 AC Power Cord Specifications on page 139
To allow for future growth so that you can operate the router in any hardware configuration
without upgrading the power infrastructure, we recommend that you provision 11,765 W
per each three-phase delta AC power supply or 11,775 W per each three-phase wye AC
power supply.
If you do not plan to provision 11,765 W per each three-phase delta AC power supply or
11,775 W per each three-phase wye AC power supply, you can use the information in
Table 78 on page 137, Table 79 on page 137
Reference to calculate power consumption for various hardware configurations, input
current from a different source voltage, and thermal output, as shown in the following
examples for an AC-powered router.
Table 78 on page 137 lists the power requirements for various hardware components
when the router is operating under typical voltage conditions. For power requirements
for specific PICs, see the T640 Core Router Interface Module Reference.

Table 78: T640 Base AC Power Requirements

Component
Base system, not including FPCs and PICs
(includes five SIBs, one host subsystem (T-CB and
600, 1600, or 2000 Routing Engine ), one SCG,
cooling system at normal speed, and craft
interface), and two AC power supplies

Table 79: Typical AC Power Requirements for T640 Components

Component
SIB: Standard SIB, standard SIB version B, or
T640-SIB
Enhanced II FPC1
Enhanced Scaling FPC1
FPC2 and Enhanced II FPC2
FPC3 and Enhanced II FPC3
Enhanced Scaling FPC3
T640 Enhanced Scaling FPC4
Chapter 11: AC Power Requirements and Specifications
and the T640 Core Router Interface Module
Power Requirement (Watts)
954 W
Power Power Requirement
Requirement (Watts) with 85%
(Watts) Efficiency
38 W 44 W
163.2 W 192 W
340.8 W 401 W
163.2 W 192 W
326.4 W 384 W
437.28 W 514 W
393.6 W 463 W
137