Input and output Power Distribution
1-10
Cisco VCO/4K Mechanical Assemblies
Figure 7: Power Subsystem Functional Diagram for Dual-Feed DC Operation
Power
Entry
Module
PEM =
PSM = Power
Supply
Module
PBP = Power
Backplane
PEM
PEM
PEM
PEM
Power
Entry
Disconnect
Line
Protection
Line
Filter
Fuses
PSM
Right
Control
PSM
Left
Control
PSM
Power
Voltages
Control
PSM
PSM
Redundancy
Diodes
Ring
Voltage
Analog
Logic
Cooling
Fans
PBP
Cable Harness
PSM
PBP