Electrical Specifications For The M120 Dc Power Supply; Table 57: Dc Power Supply Electrical Specifications - Juniper M120 Hardware Manual

M120 Multiservice Edge Router Hardware Guide

Electrical Specifications for the M120 DC Power Supply

Related
Documentation
100
M120 DC Power Supply Description on page 72
Table 57 on page 100 lists the DC power supply electrical specifications.

Table 57: DC Power Supply Electrical Specifications

Item
Maximum output power
DC input voltage
DC input current rating
Internal Supplementary
Protector
M120 DC Power Supply Description on page 72
M120 Power Supply LEDs on page 73
Replacing an M120 DC Power Supply on page 245
DC Power Electrical Safety Guidelines for the M120 Router on page 347
Specification
2100 W
Nominal: –48 VDC, –60 VDC
Operating range: –40.0 to –72 VDC
NOTE: If the input voltage from the DC power source drops below
-37.5 to -39.5 VDC, the router automatically shuts down. During
automatic shutdown, the circuit remains active. When the input
voltage returns to –43.0 to –44.00 VDC, the router automatically
starts up again and the system returns to normal operation within
30 minutes. No operator intervention is required.
60 A @ –48 VDC
60 A
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