Cisco 12008 Gigabit Switch Router Installation and Configuration Guide
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Upper Card Cage and Associated Components 1-23
Gigabit Route Processor 1-25
Performance Route Processor 1-34
Switch Fabric of the Cisco 12008 1-43
Clock and Scheduler Card 1-44
Cisco 12000 Series Line Cards 1-54
Air Filter Assembly 1-69
Lower Card Cage and Associated Components 1-69
Switch Fabric Cards 1-70
Power Distribution System in the Cisco 12008 1-72
Cisco 12008 Environmental Monitoring Facility 1-74
System Specifications 1-75
Agency Approvals 1-78
Chapter 2 Preparing for Installation 2-1
Safety Recommendations 2-2
Lifting Guidelines 2-3
Safety with Electricity 2-4
Preventing Electrostatic Discharge Damage 2-5
Laser Safety 2-6
Site Requirements Guidelines 2-7
Rack-Mounting Guidelines 2-7
Air Flow Guidelines 2-10
Temperature and Humidity Guidelines 2-13
Power Guidelines 2-14
AC-Powered Systems 2-14
DC-Powered Systems 2-16
System Ground Connection Guidelines 2-18
Site Wiring Guidelines 2-19
EMI Considerations 2-20
Synchronous Optical Network Connection Guidelines 2-21
Power Budget 2-22
Approximating the Line Card Power Margin 2-23