Nonisolated Dc Power Supply Electrical Specifications; Isolated Dc Power Supply Electrical Specifications; Table 64: Nonisolated Dc Power Supply Electrical Specifications; Table 65: Isolated Dc Power Supply Electrical Specifications - Juniper M320 Hardware Manual

M320 Multiservice Edge Router Hardware Guide

Nonisolated DC Power Supply Electrical Specifications

Isolated DC Power Supply Electrical Specifications

106
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
power supply. To base the amount of power you provision on the typical
power consumption @ –48 VDC (nominal) for your current hardware
configuration, you can use the information in
on page 96.
Table 64 on page 106 list the electrical specifications for nonisolated DC power supplies.

Table 64: Nonisolated DC Power Supply Electrical Specifications

Item
Maximum output power
DC input voltage
DC input current rating
Internal Supplementary
Protector
Table 65 on page 106 list the electrical specifications for isolated DC power supplies.

Table 65: Isolated DC Power Supply Electrical Specifications

Item
Maximum output power
Specification
2000 W
Nominal: –48 VDC, –60 VDC
Operating range: –40.5 to –72 VDC
NOTE: If the input voltage from the DC power source drops below
–40.5 VDC, the router automatically shuts down. During automatic
shutdown, the circuit remains active. When the input voltage returns
to –42.75 VDC, the router automatically starts up again and the
system returns to normal operation within 30 minutes. No operator
intervention is required.
42 A @ –48 VDC
50 A
Specification
2000 W
"M320 Power Requirements"
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