Juniper M120 - Electrical Specifications for the M120 DC Power Supply; Table 57: DC Power Supply Electrical Specifications

• M120 DC Power Supply Description on page 72
Electrical Specifications for the M120 DC Power Supply
Table 57 on page 100 lists the DC power supply electrical specifications.
Table 57: DC Power Supply Electrical Specifications
SpecificationItem
2100 WMaximum output power
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.
DC input voltage
60 A @ –48 VDCDC input current rating
60 AInternal Supplementary
Protector
Related
Documentation
• 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
Copyright © 2018, Juniper Networks, Inc.100
M120 Multiservice Edge Router Hardware Guide