Cisco 1721 - Manual (Page 5)

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Cisco 1721 Router Hardware Installation Guide
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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