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IEEE 8802-3:2017/Amd 3-2017

3:2017/Amd 3-2017 - ISO/IEC/IEEE International Standard for Ethernet Amendment 3: Physical Layer and Management Parameters for 25 Gb/s and 40 Gb/s Operation, Types 25GBASE-T and 40GBASE-T

Standard by IEEE, 2018

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About This Item

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IEEE 8802-3:2017/Amd 3-2017 is an amendment to the ISO/IEC/IEEE Ethernet standard that addresses physical layer and management parameters for 25 Gb/s and 40 Gb/s operation, specifically Types 25GBASE-T and 40GBASE-T. It is relevant to communication, networking and broadcast technologies as well as computing and processing systems where twisted-pair Ethernet performance, interoperability, and implementation consistency matter. This standard helps define the technical basis for higher-speed copper Ethernet links in structured network environments.

Overview of IEEE 8802-3:2017/Amd 3-2017

This technical document extends the Ethernet framework by defining requirements for 25GBASE-T and 40GBASE-T operation over balanced twisted-pair cabling. IEEE 8802-3:2017/Amd 3-2017 focuses on physical layer behavior and management parameters that support reliable high-speed transmission, link compatibility, and device coordination. For engineering teams, it serves as a reference for implementation details, performance expectations, and interoperability considerations in copper-based network interfaces.

Typical use cases

IEEE 8802-3:2017/Amd 3-2017 is typically used when specifying high-speed Ethernet connectivity for switches, servers, network interface equipment, and other copper-based infrastructure supporting 25 Gb/s or 40 Gb/s links. It is especially relevant in data center and enterprise network designs where short- to medium-reach twisted-pair cabling is part of the system architecture. The standard may also guide product testing, interface validation, and procurement decisions for network hardware intended to meet these Ethernet variants.

Why it matters

For designers, integrators, and purchasers, IEEE 8802-3:2017/Amd 3-2017 provides a common technical reference that supports consistency in implementation and verification. Using the standard can reduce compatibility issues when equipment must operate across the same Ethernet link parameters and management expectations. It also helps structure compliance testing and product comparison, which is important when selecting components or validating performance for 25GBASE-T and 40GBASE-T deployments. As a superseded standard, it remains useful for historical reference and legacy specifications.

  • 25 Gb/s and 40 Gb/s Ethernet over twisted-pair cabling
  • Physical layer and management parameter definitions
  • 25GBASE-T and 40GBASE-T interface scope
  • Interoperability and validation reference
  • Legacy specification and procurement context
SKU: bb339de2eeb3

  • Publication Date: 2018

  • Standard Status: Superseded

  • Publisher: IEEE

  • Subject: Communication, Networking and Broadcast Technologies; Components, Circuits, Devices and Systems; Computing and Processing

  • Official IEEE: Doi link
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