CHAPTER 11
DC Power Requirements and
Specifications
•
M7i Router DC Power Supply Specifications on page 87
•
M7i DC Power Cable and Cable Lug Specifications on page 88
M7i Router DC Power Supply Specifications
Table 49 on page 87 lists electrical specifications for the DC power supply.
Table 49: Electrical Specifications for DC Power Supply
SpecificationDescription
293 WMaximum power output
Nominal: –48, –60 VDC
Operating range: –40.5 to –72 VDC
DC input voltage
10 A @ –48 VInput DC current rating
+3.3 V @ 40 A, +2.5 V @ 20 A, +5.0 V @ 15 A, +12 V@ 3 AOutput voltages
NOTE: The DC power supplies are marked –48 VDC. This is the nominal
voltageassociated with the battery circuit.Any higher voltages are associated
only with float voltages for the charging function.
Related
Documentation
M7i DC Power Supply on page 61•
• Replacing a DC Power Supply on page 171
• Replacing an M7i DC Power Cable on page 175
• M7i Router Power Requirements on page 79
• M7i Chassis Grounding, Connection, and Cable Specifications on page 78
• M7i Power Supply LEDs on page 61
87Copyright © 2019, Juniper Networks, Inc.
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