Figure 2-50 Cisco Asr 9904 Router Dc Power System Block Diagram-Version 2 Power System - Cisco ASR 9001-S Overview And Reference Manual

Power System Functional Description
Figure 2-50 Cisco ASR 9904 Router DC Power System Block Diagram—Version 2 Power System
DC/DC Power Shelf
connected to 4 Power Supply
Modules
TB-A1
DC-A1
EMI
(60A)
Filter
DC-B1
EMI
(60A)
Filter
TB-B1
TB-A2
DC-A2
EMI
(60A)
Filter
DC-B2
EMI
(60A)
Filter
TB-B2
TB-A3
DC-A3
EMI
(60A)
Filter
DC-B3
EMI
(60A)
Filter
TB-B3
TB-A4
DC-A4
EMI
(60A)
Filter
DC-B4
EMI
(60A)
Filter
TB-B4
Figure 2-51
version 2 power systems.
Cisco ASR 9000 Series Aggregation Services Router Overview and Reference Guide
2-60
Power Distribution
DC/DC
Pwr Sply
Module-0
1.5 KW or
2KW
DC/DC -54V
Pwr Sply
Module-1
1.5 KW or
2KW
DC/DC
Pwr Sply
Module-3
1.5 KW or
2KW
-54V RTN
DC/DC
Pwr Sply
Module-4
1.5 KW or
2KW
and Figure 2-52 show block diagrams of the Cisco ASR 9922 Router with AC and DC
Backplane
Soft-Start
-54V
EMI Filter
Soft-Start
EMI Filter
Soft-Start
EMI Filter
Soft-Start
-54V
EMI Filter
Chapter 2 Functional Description
Line Card (x1)
Narrow
Range,
Fixed
-54V -54V -10.8V
Circuit,
Ratio
(5:1)
10.8V
Converter
RSP Card (x2)
Narrow
Range,
Fixed
-54V -54V -10.8V
Circuit,
Ratio
(5:1)
10.8V
Converter
Line Card (x1)
Narrow
Range,
Fixed
-54V -54V -10.8V
Circuit,
Ratio
(5:1)
10.8V
Converter
Fan Tray
Fan
Controller
-54V
-54V
Circuit, and
Cooling
Fans
Point of
Load
(POL)
Converters
Point of
Load
(POL)
Converters
Point of
Load
(POL)
Converters
OL-17501-09