Juniper MX2020 Hardware Manual page 234

Table 76: MX2020 DC Power Zoning (Optimized DC Power Implementations)
Chassis Power
Configuration Power Zone
DC power to lower Lower (zone 0)
half of MX2020
components
DC power to upper Upper (zone 1)
half of MX2020
components
Zone 0 + Zone 1
Power
Distribution Power Supply
Module (PDM) Module (PSM)
PDM 0 and 1 PSM slots 1
through 7
PDM 2 and 3 PSM slots 10
through 16
Components Receiving
Power
MPC slots 0 through 9
Fan tray 0 and 1
MPC slots 10 through
19
Fan Tray 2 and 3
CB-RE slot 0 and slot 1
SFB slots 0 through 7
212