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Power Distribution System in the Cisco 12008
Figure 1-23 Power Distribution System in the Cisco 12008
DC/DC
converter
DC/DC
converter
DC/DC
converter
DC/DC
converter
MBus
module
MBus
module
MBus
module
MBus
module
+5 VDC
+5 VDC
+3.3 VDC
+3.3 VDC
+3.3 VDC
+3.3 VDC
+5.2 VDC
+5.2 VDC
+5.2 VDC
+5.2 VDC
+5.2 VDC
Ð48 VDC
Ð48 VDC
Ð48 VDC
Ð48 VDC
Ð48 VDC
Source voltage
AC-input power supply
(180 VAC to 264 VAC)
Source voltage
DC-input power supply
(Ð48 VDC to Ð60 VDC)
H7686
RP
Line cards
CSC card(s)
SFC cards
Power supply
fan tray
Card cage
fan tray
+24 VDC
Minimum power supply configuration: One AC-input power supply or one DC-input power supply
Maximum power supply configuration: Two AC-input power supplies or two DC-input power supplies
Backplane
Backplane
AC or DC
power
supply(ies)
or