Contents
Introduction
C H A P T E R
Product Overview
Product Description
Line card slots five
Cisco 12006 and Cisco 12406 routers have the following key features
All power modules and other field replaceable units FRUs, except for the air blower module and the power distribution unit PDU, can be removed from the front of the chassis
Blower module Blower module LEDs Blower module handle
Physical and Functional Description
Chassis, page Multigigabit Crossbar Switch Fabric, page
Maintenance Bus, page Route Processors, page Line Cards, page
Alarm Cards, page Power Subsystems, page Blower Module, page
Switch Fabric Card Slots
Alarm Card Slots
Chassis Backplane
Cooling
Power
Multigigabit Crossbar Switch Fabric
Switch Fabric Card Types
1-10
OL-11497-03
Nonredundant and Redundant System Configurations
1-11
Chapter 1 Product Overview Multigigabit Crossbar Switch Fabric
Switch Fabric Switching Capacity and Router Type
Switch Fabric Redundancy
1-12
1-13
Maintenance Bus
Power-Up/Down Control
Device Discovery
1-14
Diagnostics
Environmental Monitoring and Alarms
Code Download
Route Processors
Route Processor Functions
1-15
1-16
Route Processor Types
Gigabit Route Processor
Gigabit Route Processor, page Performance Route Processor, page
Sensors-Air-temperature sensors for environmental monitoring
1-17
LED displays
1-18
Chapter 1 Product Overview Route Processors
GRP Layout
Size
GRP Memory Components
DRAM
Type
Total DRAM
SRAM
NVRAM
Flash Memory
System Status LEDs
1-21
Figure 1-6 GRP LEDs Partial Front Panel
1-22
Soft Reset Switch
PCMCIA Slot 1 Top
PCMCIA Slots
Asynchronous Serial Ports
PCMCIA Slot 0 Bottom
1-24
Ethernet Port
Performance Route Processor
1-25
Figure 1-8 Performance Route Processor Front View
The Cisco IOS software images are stored in Flash memory. Two types of Flash memory ship with the PRP
1-26
Backplane connector
1-27
Size
PRP Memory Components
1-28
Type
NVRAM
SDRAM
1-29
SRAM
System Status LEDs
Flash Disk Size
Product Number
1-30
Soft Reset Switch
1-31
The PRP includes two Flash disk PCMCIA slots. Either slot can support an ATA Flash disk or a Type 1 or Type 2 linear Flash memory card. The PRP ships by default with one 64-MB ATA Flash disk
Flash Disk Slots
Ethernet Ports
1-32
1-33
Line Cards
Line Cards
1-34
Figure 1-10 Sample Line Cards
Chapter 1 Product Overview
Alarm Cards
1-35
ALARM
1-36
Alarm Output Function
Clock and Scheduler Card and Switch Fabric Card Status
Alarm Card Status
AC Power Subsystem, page DC Power Subsystem, page
Power Subsystems
Power Source Monitoring
Alarm Relay Contact Connector
AC Power Subsystem
AC PDU
1-38
Captive screw
1-39
1-40
AC-Input Power Supply
An AC-input power supply shown in Figure 1-13 has the following features
1-41
Function
DC Power Subsystem
DC PDU
LED Label
1-43
Figure 1-14 DC Power Distribution Unit
POWER A
Chapter 1 Product Overview Power Subsystems
DC-Input Power Entry Module
1-44
POWER A
1-45
Figure 1-16 DC-Input Power Entry Module
MISWIRE
LED Label
Color
1-46
DC-input PEM LED Indicators
Power Distribution
Blower Module
1-47
1-48
Top view
Figure 1-17 Internal Air Flow Top View
Air Filters
1-49
Figure 1-18 Air Filter Locations
1-50
Cable-Management System
1-51
Figure 1-19 Chassis Cable-Management System
CISCO 12000 SERIES
Technical Specifications
Field-Replaceable Units
1-52
