M320 Power Requirements; Table 58: Component Power Requirements - Juniper M320 Hardware Manual

M320 Multiservice Edge Router Hardware Guide
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M320 Power Requirements

96
from the exposed OSP cabling. The addition of primary protectors is not
sufficient protection in order to connect these interfaces metallically to OSP
wiring.
General Electrical Safety Guidelines and Electrical Codes for Juniper Networks Devices
on page 345
NOTE: 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 at least 48 A @ –48 VDC (nominal) for each
DC power supply. If you do not plan to provision at least 48 A @ –48 VDC
(nominal) per input, you can use the information in
calculate the typical power consumption @ –48 VDC and typical thermal
output for your hardware configuration.
Table 58 on page 96 lists the power requirements for various hardware components
when the router is operating under typical voltage conditions. Generalized values are
listed for PICs. For power requirements for specific PICs, see the M320 Multiservice Edge
Router Interface Module Reference.

Table 58: Component Power Requirements

Component
Base system, not including FPCs and PICs (includes four
SIBs, one host subsystem, two power supplies, cooling
system running at normal speed, and craft interface)
Type 1 FPC (without PICs)
Type 2 FPC (without PICs)
Type 3 FPC (without PICs)
Host subsystem (Routing Engine and CB)
SIB
AC power supply
DC power supply
Table 58 on page 96
Current
Power Requirement
Requirement (Amps @
(Watts) –48 VDC)
450 W 9.4 A
(approximate) (approximate)
160 W 3.3 A
160 W 3.3 A
160 W 3.3 A
100 W 2.1 A
38 W 0.8 A
100 W Not applicable.
40 W 0.8 A
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