vii
Cisco 1721 Router Hardware Installation Guide
78-13834-02
C O N T E N T S
Preface
xi
Audience and Scope
xi
Organization
xi
Related Documentation
xii
Conventions
xiii
Notes, Cautions, and Warnings
xiii
Commands
xvi
Obtaining Documentation
xvi
Cisco.com
xvii
Documentation DVD
xvii
Ordering Documentation
xvii
Documentation Feedback
xviii
Cisco Product Security Overview
xviii
Reporting Security Problems in Cisco Products
xix
Obtaining Technical Assistance
xix
Cisco Technical Support Website
xx
Submitting a Service Request
xx
Definitions of Service Request Severity
xxi
Obtaining Additional Publications and Information
xxii
C H A P T E R
1
Cisco 1721 Router Overview
1-1
Key Features
1-2
Back Panel Ports and LEDs
1-4
Front Panel LEDs
1-5