Dc Power Requirements And Specifications; M7I Router Dc Power Supply Specifications; Table 49: Electrical Specifications For Dc Power Supply - Juniper M7i Hardware Manual

CHAPTER 11
DC Power Requirements and
Specifications

M7i Router DC Power Supply Specifications

Related
Documentation
Copyright © 2019, Juniper Networks, Inc.
M7i Router DC Power Supply Specifications on page 87
M7i DC Power Cable and Cable Lug Specifications on page 88
Table 49 on page 87 lists electrical specifications for the DC power supply.

Table 49: Electrical Specifications for DC Power Supply

Description
Maximum power output
DC input voltage
Input DC current rating
Output voltages
NOTE: The DC power supplies are marked –48 VDC. This is the nominal
voltage associated with the battery circuit. Any higher voltages are associated
only with float voltages for the charging function.
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
Specification
293 W
Nominal: –48, –60 VDC
Operating range: –40.5 to –72 VDC
10 A @ –48 V
+3.3 V @ 40 A, +2.5 V @ 20 A, +5.0 V @ 15 A, +12 V@ 3 A
87