Gigabit Ethernet

Gigabit Ethernet over Copper - October 1998

This paper discusses the cabling issues and questions surrounding Gigabit Ethernet over Category 5 (copper) cabling. The paper presents the IEEE 802.3ab Task Force's firm direction to support Cat5 and details on how it will work.

Table of Contents

Introduction
 
1000BASE-T (Gigabit Ethernet over Copper) and Category 5 Cabling
 
Gigabit Bandwidth over Category 5 Cabling

Testing the Installed Cabling

Assessing the Risk

Testing for Return Loss and ELFEXT

ANSI/TIA/EIA568-A and Testing

Correcting Problem Cable Installations

Specifications for New Installations

Topology Rules

Cabling Systems: Category 5, Enhanced Category 5, Category 6

Expected Dates for Products

Conclusion



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