Contents
iv
Cisco ASR 903 Router Hardware Installation Guide
OL-25178-05
Serial Number Label Location 1-20
Interface Numbering 1-20
Regulatory Compliance 1-21
CHAPTER
2Preparing for Installation 2-1
Safety Guidelines 2-1
Standard Warning Statements 2-2
Safety Guidelines for Personal Safety and Equipment Protection 2-3
Safety Precautions for Module Installation and Removal 2-3
Safety with Electricity 2-4
Power Supply Considerations 2-8
Preventing ESD Damage 2-8
Site Planning 2-9
General Precautions 2-9
Site Planning Checklist 2-9
Site Selection Guidelines 2-10
Environmental Requirements 2-10
Physical Characteristics 2-10
Air Flow Guidelines 2-11
Air Flow Guidelines for Enclosed Rack Installation 2-12
Floor Loading Considerations 2-12
Site Power Guidelines 2-12
Electrical Circuit Requirements 2-13
Site Cabling Guidelines 2-13
Asynchronous Terminal Connections 2-14
Interference Considerations 2-14
Rack-Mounting Guidelines 2-15
Precautions for Rack-Mounting 2-15
Rack Selection Guidelines 2-15
Equipment Rack Guidelines 2-16
Installation Checklist 2-18
Creating a Site Log 2-19
Receiving the Cisco ASR 903 Router 2-19
Chassis-Lifting Guidelines 2-20
Tools and Equipment 2-20
Unpacking and Verifying the Shipped Contents 2-21
CHAPTER
3Installing the Cisco ASR 903 Router 3-1
Prerequisites 3-1