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Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Site Planning Guide
OL-5802-09
CONTENTS
Preface v
CHAPTER
1 Cisco CRS Carrier Routing System 1-1
The Cisco CRS 8-Slot Line Card Chassis 1-2
Chassis Components 1-7
Chassis Slot Numbers 1-9
Overview of Site Planning Steps 1-11
CHAPTER
2 Power and Cooling 2-1
Chassis Power System 2-1
General Power and Grounding Requirements 2-2
Bonding and Grounding Guidelines 2-3
DC Power Systems 2-5
Fixed Configuration DC Power Requirements 2-5
Fixed Configuration DC Input Power and Ground Cables 2-6
Modular Configuration DC Power Requirements 2-8
Modular Configuration DC Input Power Cables 2-9
AC Power Systems 2-11
Fixed Configuration AC Power Requirements 2-11
Fixed Configuration AC PDU Wiring 2-13
Modular Configuration AC Power Requirements 2-15
Modular Configuration AC Power Shelf Wiring 2-15
Converting 3-Phase AC to Single-Phase AC 2-18
Chassis Airflow 2-19
Facility Cooling Requirements 2-20
CHAPTER
3 Technical and Environmental Specifications 3-1
Line Card Chassis Specifications 3-1
Equipment Rack Specifications 3-4
Environmental Specifications 3-7
CHAPTER
4 Site Planning Considerations 4-1
Basic Site and Installation Planning 4-1
