
Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Site Planning Guide 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