Mx2020 Dc Power Subsystem Electrical Specifications; Table 67: Dc Psm Electrical Specifications Per Input Configurations - Juniper MX2020 Hardware Manual

MX2020 DC Power Subsystem Electrical Specifications

Related
Documentation
Copyright © 2015, Juniper Networks, Inc.
MX2020 DC Power Supply Module Description on page 96
Connecting Power to a DC-Powered MX2020 Router with Power Distribution Modules
on page 262
Installing MX2020 DC Power Supply Modules on page 265
Replacing an MX2020 DC Power Distribution Module Cable on page 462
Connecting an MX2020 DC Power Distribution Module Cable on page 268
DC Power Cable Specifications for the MX2020 Router on page 184
Table 67 on page 179 lists the DC power subsystem electrical specifications.

Table 67: DC PSM Electrical Specifications Per Input Configurations

Item
Maximum input current
rating input voltage @ -40
VDC to -72 VDC
Maximum output power
Redundancy
DC input voltage
DC nominal input current
@ 48 VDC IN
Maximum DC output @ 52
VDC (upper and lower
cage)
DC standby output @ 5
VDC
Efficiency
NOTE: This value is within
load range 17-67% and
nominal input voltage at 48
VDC.
Calculating DC Power Requirements for MX2020 Routers on page 180
Chapter 14: DC Power Requirements, Specifications, and Guidelines
Specification
60 A (for 2100 W output)
73 A (for 2500 W output)
2100 W @ 60 A
2500 W @ 73 A
N+1 PSM
N+N feed redundancy
-40 VDC to -72 VDC
49 A (for 2100 W output)
59 A (for 2500 W output)
2500 W
30 W
91%
179