Juniper MX2020 Hardware Manual page 190

Table 55: Base AC Power Requirements
Component
Base system, (not including MPCs, ADCs,
and MICs) includes seven SFBs, one host
subsystem (Control Board and Routing
Engine [CB-RE], four fan trays, a craft
interface, eight PSMs, and two PDMs.
Table 56: Typical AC Power Requirements for MX2020 Router
Component
Base chassis
Fan trays, upper
Fan trays, lower
MPC
ADC
CB-RE
Three-phase delta AC PDM (2 per
system) @ 50 A feed (input 1) and 25 A
feed (input 2)
Three-phase wye AC PDM @ 30 A feed
(input 1) and 15 A (input 2)
Nine-feed single-phase AC PDM
Seven-feed single-phase AC PDM
SFB—slots 0 through 7
If you do not plan to provision as recommended above, you can use the information in
to calculate the power consumption for your hardware configuration.
Power Requirement (Watts)
9,439 W (based on 55° C operation)
2,142 W (Typical)
Model Number
CHAS-BP-MX2020
MX2000-FANTRAY
MX2000-FANTRAY
MPC-3D-16XGE-SFPP
ADC
RE-MX2000-1800X4
REMX2K-X8-64G
MX2000-PDM-AC-DELTA
MX2000-PDM-AC-WYE
MX2K-PDM-AC-1PH
MX2K-PDM-OP-AC
MX2000-SFB
Power Requirement (Watts) with 91%
Efficiency
200W * 2 = 400 W
200 W * 2 = 400 W
440 W * 20 = 8800 W
150 W * 20 = 3000 W
150 W
400 W
2800 W
2800 W
2800 W
2800 W
200 W * 8 = 1600 W
Table 57 on page 169
168