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eLibrary >
IEEE 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 >
This document is reproduced and distributed under license from The Institute of Electrical and Electronics Engineers, Incorporated (IEEE), 445 Hoes Lane, Piscataway, New Jersey 08854 and is protected by United States and international copyright laws and treaties. No part of this publication may be reproduced, in any form and in any medium, without the prior written consent of the IEEE.
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IEEE 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, 2016
- IEEE Std 8023bq-2016 Front cover
- Title page
- Important Notices and Disclaimers Concerning IEEE Standards Documents
- Participants
- Introduction
- Contents
- IMPORTANT NOTICE
- 1. Introduction [Go to Page]
- 1.3 Normative references
- 1.4 Definitions
- 1.5 Abbreviations
- 28. Physical Layer link signaling for Auto-Negotiation on twisted pair [Go to Page]
- 28.3 State diagrams and variable definitions [Go to Page]
- 28.3.1 State diagram variables
- 28.3.2 State diagram timers
- 28.5 Protocol implementation conformance statement (PICS) proforma for Clause 28, Physical Layer link signaling for Auto-Negotiation on twisted pair [Go to Page]
- 28.5.3 Major capabilities/options
- 28.5.4 PICS proforma tables for Physical Layer link signaling for Auto-Negotiation on twisted pair [Go to Page]
- 28.5.4.8 State diagrams
- 30. Management [Go to Page]
- 30.2 Managed objects [Go to Page]
- 30.2.5 Capabilities
- 30.3 Layer management for DTEs [Go to Page]
- 30.3.2 PHY device managed object class [Go to Page]
- 30.3.2.1 PHY device attributes [Go to Page]
- 30.3.2.1.2 aPhyType
- 30.3.2.1.3 aPhyTypeList
- 30.5 Layer management for medium attachment units (MAUs) [Go to Page]
- 30.5.1 MAU managed object class [Go to Page]
- 30.5.1.1 MAU attributes [Go to Page]
- 30.5.1.1.2 aMAUType
- 30.5.1.1.4 aMediaAvailable
- 30.5.1.1.19 aSNROpMarginChnlA
- 30.5.1.1.20 aSNROpMarginChnlB
- 30.5.1.1.21 aSNROpMarginChnlC
- 30.5.1.1.22 aSNROpMarginChnlD
- 30.5.1.1.24 aLDFastRetrainCount
- 30.5.1.1.25 aLPFastRetrainCount
- 30.6 Management for link Auto-Negotiation [Go to Page]
- 30.6.1 Auto-Negotiation managed object class [Go to Page]
- 30.6.1.1 Auto-Negotiation attributes [Go to Page]
- 30.6.1.1.5 aAutoNegLocalTechnologyAbility
- 45. Management Data Input/Output (MDIO) Interface [Go to Page]
- 45.2 MDIO Interface Registers [Go to Page]
- 45.2.1 PMA/PMD registers [Go to Page]
- 45.2.1.6 PMA/PMD control 2 register (Register 1.7)
- 45.2.1.7 PMA/PMD status 2 register (Register 1.8) [Go to Page]
- 45.2.1.7.4 Transmit fault (1.8.11)
- 45.2.1.7.5 Receive fault (1.8.10)
- 45.2.1.8 PMD transmit disable register (Register 1.9)
- 45.2.1.12 40G/100G PMA/PMD extended ability register (Register 1.13) [Go to Page]
- 45.2.1.9a 40GBASE-T ability (1.13.6)
- 45.2.1.14b 25G PMA/PMD extended ability register (Register 1.19) [Go to Page]
- 45.2.1.14b.a 25GBASE-T ability (1.19.5)
- 45.2.1.62 10MultiGBASE-T status (Register 1.129) [Go to Page]
- 45.2.1.62.1 LP information valid (1.129.0)
- 45.2.1.63 10MultiGBASE-T pair swap and polarity register (Register 1.130)
- 45.2.1.64 10MultiGBASE-T TX power backoff and PHY short reach setting (Register 1.131) [Go to Page]
- 45.2.1.64.1 10MultiGBASE-T TX power backoff settings (1.131.15:10)
- 45.2.1.64.2 PHY short reach mode (1.131.0)
- 45.2.1.65 10MultiGBASE-T test mode register (Register 1.132) [Go to Page]
- 45.2.1.65.1 Test mode control (1.132.15:13)
- 45.2.1.65.2 Transmitter test frequencies (1.132.12:10)
- 45.2.1.66 SNR operating margin channel A register (Register 1.133)
- 45.2.1.67 SNR operating margin channel B register (Register 1.134)
- 45.2.1.68 SNR operating margin channel C register (Register 1.135)
- 45.2.1.69 SNR operating margin channel D register (Register 1.136)
- 45.2.1.74 RX signal power channel A register (Register 1.141)
- 45.2.1.75 RX signal power channel B register (Register 1.142)
- 45.2.1.76 RX signal power channel C register (Register 1.143)
- 45.2.1.77 RX signal power channel D register (Register 1.144)
- 45.2.1.78 10MultiGBASE-T skew delay register (Registers 1.145 and 1.146)
- 45.2.1.79 10MultiGBASE-T fast retrain status and control register (Register 1.147) [Go to Page]
- 45.2.1.79.1 LP fast retrain count (1.147.15:11)
- 45.2.1.79.2 LD fast retrain count (1.147.10:6)
- 45.2.1.79.5 Fast retrain signal type (1.147.2:1)
- 45.2.1.79.6 Fast retrain enable (1.147.0)
- 45.2.3 PCS registers [Go to Page]
- 45.2.3.1 PCS control 1 register (Register 3.0) [Go to Page]
- 45.2.3.1.2 Loopback (3.0.14)
- 45.2.3.2 PCS status 1 register (Register 3.1) [Go to Page]
- 45.2.3.2.7 PCS receive link status (3.1.2)
- 45.2.3.6 PCS control 2 register (Register 3.7) [Go to Page]
- 45.2.3.6.1 PCS type selection (3.7.23:0)
- 45.2.3.7 PCS status 2 register (Register 3.8) [Go to Page]
- 45.2.3.7.3aa 25GBASE-T capable (3.8.9)
- 45.2.3.7.3b 40GBASE-T capable (3.8.6)
- 45.2.3.9 EEE control and capability 1 (Register 3.20) [Go to Page]
- 45.2.3.9.4a 40GBASE-T EEE supported (3.20.7)
- 45.2.3.9a EEE control and capability 2 (Register 3.21) [Go to Page]
- 45.2.3.9a.1 25GBASE-T EEE supported (3.21.2)
- 45.2.3.13 BASE-R and 10MultiGBASE-T PCS status 1 register (Register 3.32) [Go to Page]
- 45.2.3.13.1 BASE-R and 10MultiGBASE-T receive link status (3.32.12)
- 45.2.3.13.4 BASE-R and 10MultiGBASE-T PCS high BER (3.32.1)
- 45.2.3.13.5 BASE-R and 10MultiGBASE-T block lock (3.32.0)
- 45.2.3.14 BASE-R and 10MultiGBASE-T PCS status 2 register (Register 3.33) [Go to Page]
- 45.2.3.14.1 Latched block lock (3.33.15)
- 45.2.3.14.2 Latched high BER (3.33.14)
- 45.2.3.14.3 BER (3.33.13:8)
- 45.2.3.14.4 Errored blocks (3.33.7:0)
- 45.2.7 Auto-Negotiation registers [Go to Page]
- 45.2.7.10 10MultiGBASE-T AN control 1 register (Register 7.32) [Go to Page]
- 45.2.7.10.4a 40GBASE-T capability (7.32.11)
- 45.2.7.10.4b 25GBASE-T capability (7.32.10)
- 45.2.7.10.4c 25GBASE-T Fast retrain ability (7.32.9)
- 45.2.7.10.4d 40GBASE-T Fast retrain ability (7.32.3)
- 45.2.7.10.5 10GBASE-T LD PMA training reset request (7.32.2)
- 45.2.7.10.6 10GBASE-T Fast retrain ability (7.32.1)
- 45.2.7.10.7 10GBASE-T LD loop timing ability (7.32.0)
- 45.2.7.11 10MultiGBASE-T AN status 1 register (Register 7.33) [Go to Page]
- 45.2.7.11.1 MASTER-SLAVE configuration fault (7.33.15)
- 45.2.7.11.2 MASTER-SLAVE configuration resolution (7.33.14)
- 45.2.7.11.7 10GBASE-T Link partner PMA training reset request (7.33.9)
- 45.2.7.11.7a Link partner 40GBASE-T capability (7.33.8)
- 45.2.7.11.7b Link partner 25GBASE-T capability (7.33.7)
- 45.2.7.11.7c 25GBASE-T Fast retrain ability (7.33.2)
- 45.2.7.11.8 10GBASE-T Fast retrain ability (7.33.1)
- 45.2.7.11.9 40GBASE-T Fast retrain ability (7.33.0)
- 45.2.7.13 EEE advertisement (Register 7.60) [Go to Page]
- 45.2.7.13.4a 40GBASE-T EEE supported (7.60.9)
- 45.2.7.13.12a 25GBASE-T EEE supported (7.60.0)
- 45.2.7.14 EEE link partner ability (Register 7.61)
- 45.2.7.14a MultiGBASE-T AN control 2 (Register 7.64) [Go to Page]
- 45.2.7.14a.1 25GBASE-T THP Bypass Request
- 45.2.7.14a.2 40GBASE-T THP Bypass Request
- 45.2.7.14b MultiGBASE-T AN status 2 (Register 7.65) [Go to Page]
- 45.2.7.14b.1 25GBASE-T Link Partner THP Bypass Request
- 45.2.7.14b.2 40GBASE-T Link Partner THP Bypass Request
- 45.5 Protocol implementation conformance statement (PICS) proforma for Clause 45, Management Data Input/Output (MDIO) interface [Go to Page]
- 45.5.3 PICS proforma tables for the Management Data Input Output (MDIO) interface [Go to Page]
- 45.5.3.2 PMA/PMD MMD options
- 45.5.3.3 PMA/PMD Management functions
- 45.5.3.6 PCS options
- 45.5.3.7 PCS management functions
- 45.5.3.8 Auto-Negotiation options
- 45.5.3.9 Auto-Negotiation management functions
- 55. Physical Coding Sublayer (PCS), Physical Medium Attachment (PMA) sublayer and baseband medium, type 10GBASE-T [Go to Page]
- 55.3.4 PMA training side-stream scrambler polynomials
- 55.6 Management interfaces [Go to Page]
- 55.6.1.2 10GBASE-T Auto-Negotiation page use
- 55.6.2 MASTER-SLAVE configuration resolution
- 55.12.3 Physical Coding Sublayer (PCS)
- 78. Energy-Efficient Ethernet (EEE) [Go to Page]
- 78.1 Overview [Go to Page]
- 78.1.3 Reconciliation sublayer operation [Go to Page]
- 78.1.3.3.1 PHY LPI transmit operation
- 78.1.4 PHY types optionally supporting EEE
- 78.2 LPI mode timing parameters description
- 78.3 Capabilities Negotiation
- 78.5 Communication link access latency
- 80. Introduction to 40 Gb/s and 100 Gb/s networks [Go to Page]
- 80.1 Overview [Go to Page]
- 80.1.3 Relationship of 40 Gigabit and 100 Gigabit Ethernet to the ISO OSI reference model
- 80.1.4 Nomenclature
- 80.1.5 Physical Layer signaling systems
- 80.4 Delay Constraints
- 81. Reconciliation Sublayer (RS) and Media Independent Interface for 40 Gb/s and 100 Gb/s operation (XLGMII and CGMII) [Go to Page]
- 81.1 Overview [Go to Page]
- 81.1.7.3 Mapping of PLS_CARRIER.indication
- 81.3.4 Link fault signaling [Go to Page]
- 81.3.4.1 Variables and counters
- 81.3.4.2 State diagram
- 81.5 Protocol implementation conformance statement (PICS) proforma for Clause 81, Reconciliation Sublayer (RS) and Media Independent Interface for 40 Gb/s and 100 Gb/s operation [Go to Page]
- 81.5.3.7 Link Interruption
- 105. Introduction to 25 Gb/s networks [Go to Page]
- 105.1 Overview [Go to Page]
- 105.1.1 Scope
- 105.1.2 Relationship of 25 Gigabit Ethernet to the ISO OSI reference model
- 105.1.3 Nomenclature
- 105.2 Physical Layer signaling systems
- 105.3 Summary of 25 Gigabit Ethernet sublayers [Go to Page]
- 105.3.1 Reconciliation Sublayer (RS) and 25 Gigabit Media Independent Interface (25GMII)
- 105.3.6 Auto-Negotiation (AN)
- 105.5 Delay constraints
- 113. Physical Coding Sublayer (PCS), Physical Medium Attachment (PMA) sublayer, and baseband medium, types 25GBASE-T and 40GBASE-T [Go to Page]
- 113.1 Overview [Go to Page]
- 113.1.1 Nomenclature
- 113.1.2 Relationship of 25GBASE-T and 40GBASE-T to other standards
- 113.1.3 Operation of 25GBASE-T and 40GBASE-T [Go to Page]
- 113.1.3.1 Summary of Physical Coding Sublayer (PCS)
- 113.1.3.2 Summary of Physical Medium Attachment (PMA) sublayer
- 113.1.3.3 Summary of EEE capability
- 113.1.4 Signaling
- 113.1.5 Interfaces
- 113.1.6 Conventions in this clause
- 113.2 25GBASE-T and 40GBASE-T service primitives and interfaces [Go to Page]
- 113.2.1 Technology Dependent Interface [Go to Page]
- 113.2.1.1 PMA_LINK.request [Go to Page]
- 113.2.1.1.1 Semantics of the primitive
- 113.2.1.1.2 When generated
- 113.2.1.1.3 Effect of receipt
- 113.2.1.2 PMA_LINK.indication [Go to Page]
- 113.2.1.2.1 Semantics of the primitive
- 113.2.1.2.2 When generated
- 113.2.1.2.3 Effect of receipt
- 113.2.2 PMA service interface [Go to Page]
- 113.2.2.1 PMA_TXMODE.indication [Go to Page]
- 113.2.2.1.1 Semantics of the primitive
- 113.2.2.1.2 When generated
- 113.2.2.1.3 Effect of receipt
- 113.2.2.2 PMA_CONFIG.indication [Go to Page]
- 113.2.2.2.1 Semantics of the primitive
- 113.2.2.2.2 When generated
- 113.2.2.2.3 Effect of receipt
- 113.2.2.3 PMA_UNITDATA.request [Go to Page]
- 113.2.2.3.1 Semantics of the primitive
- 113.2.2.3.2 When generated
- 113.2.2.3.3 Effect of receipt
- 113.2.2.4 PMA_UNITDATA.indication [Go to Page]
- 113.2.2.4.1 Semantics of the primitive
- 113.2.2.4.2 When generated
- 113.2.2.4.3 Effect of receipt
- 113.2.2.5 PMA_SCRSTATUS.request [Go to Page]
- 113.2.2.5.1 Semantics of the primitive
- 113.2.2.5.2 When generated
- 113.2.2.5.3 Effect of receipt
- 113.2.2.6 PMA_PCSSTATUS.request [Go to Page]
- 113.2.2.6.1 Semantics of the primitive
- 113.2.2.6.2 When generated
- 113.2.2.6.3 Effect of receipt
- 113.2.2.7 PMA_RXSTATUS.indication [Go to Page]
- 113.2.2.7.1 Semantics of the primitive
- 113.2.2.7.2 When generated
- 113.2.2.7.3 Effect of receipt
- 113.2.2.8 PMA_REMRXSTATUS.request [Go to Page]
- 113.2.2.8.1 Semantics of the primitive
- 113.2.2.8.2 When generated
- 113.2.2.8.3 Effect of receipt
- 113.2.2.9 PMA_ALERTDETECT.indication [Go to Page]
- 113.2.2.9.1 Semantics of the primitive
- 113.2.2.9.2 When generated
- 113.2.2.9.3 Effect of receipt
- 113.2.2.10 PCS_RX_LPI_STATUS.request [Go to Page]
- 113.2.2.10.1 Semantics of the primitive
- 113.2.2.10.2 When generated
- 113.2.2.10.3 Effect of receipt
- 113.2.2.11 PMA_PCSDATAMODE.indication [Go to Page]
- 113.2.2.11.1 Semantics of the primitive
- 113.2.2.11.2 When generated
- 113.2.2.11.3 Effect of receipt
- 113.2.2.12 PMA_FR_ACTIVE.indication [Go to Page]
- 113.2.2.12.1 Semantics of the primitive
- 113.2.2.12.2 When generated
- 113.2.2.12.3 Effect of receipt
- 113.3 Physical Coding Sublayer (PCS) [Go to Page]
- 113.3.1 PCS service interface (25GMII/XLGMII)
- 113.3.2 PCS functions [Go to Page]
- 113.3.2.1 PCS Reset function
- 113.3.2.2 PCS Transmit function [Go to Page]
- 113.3.2.2.1 Use of blocks
- 113.3.2.2.2 65B-LDPC transmission code
- 113.3.2.2.3 Notation conventions
- 113.3.2.2.4 Transmission order
- 113.3.2.2.5 Block structure
- 113.3.2.2.6 Control codes
- 113.3.2.2.7 Ordered sets
- 113.3.2.2.8 Idle (/I/)
- 113.3.2.2.9 LPI (/LI/)
- 113.3.2.2.10 Start (/S/)
- 113.3.2.2.11 Terminate (/T/)
- 113.3.2.2.12 ordered set (/O/)
- 113.3.2.2.13 Error (/E/)
- 113.3.2.2.14 Transmit process
- 113.3.2.2.15 64B/65B to 512B/513B Transcoder
- 113.3.2.2.16 Aggregation
- 113.3.2.2.17 PCS Scrambler
- 113.3.2.2.18 LDPC framing and LDPC encoder
- 113.3.2.2.19 Reed Solomon encoder
- 113.3.2.2.20 DSQ128 bit mapping
- 113.3.2.2.21 DSQ128 to 4D-PAM16
- 113.3.2.2.22 Block-LDPC framer
- 113.3.2.2.23 EEE capability
- 113.3.2.3 PCS Receive function [Go to Page]
- 113.3.2.3.1 Frame and block synchronization
- 113.3.2.3.2 PCS descrambler
- 113.3.2.3.3 Invalid blocks
- 113.3.3 Test-pattern generators
- 113.3.4 PMA training side-stream scrambler polynomials [Go to Page]
- 113.3.4.1 Generation of bits San, Sbn, Scn, Sdn
- 113.3.4.2 Generation of 4D symbols TAn, TBn, TCn, TDn
- 113.3.4.3 PMA training mode descrambler polynomials
- 113.3.5 LPI signaling [Go to Page]
- 113.3.5.1 LPI Synchronization
- 113.3.5.2 Quiet period signaling
- 113.3.5.3 Refresh period signaling
- 113.3.6 Detailed functions and state diagrams [Go to Page]
- 113.3.6.1 State diagram conventions
- 113.3.6.2 State diagram parameters [Go to Page]
- 113.3.6.2.1 Constants
- 113.3.6.2.2 Variables
- 113.3.6.2.3 Timers
- 113.3.6.2.4 Functions
- 113.3.6.2.5 Counters
- 113.3.6.3 State diagrams
- 113.3.7 PCS management [Go to Page]
- 113.3.7.1 Status
- 113.3.7.2 Counters
- 113.3.7.3 Loopback
- 113.4 Physical Medium Attachment (PMA) sublayer [Go to Page]
- 113.4.1 PMA functional specifications
- 113.4.2 PMA functions [Go to Page]
- 113.4.2.1 PMA Reset function
- 113.4.2.2 PMA Transmit function [Go to Page]
- 113.4.2.2.1 Alert signal
- 113.4.2.2.2 Link failure signal
- 113.4.2.3 PMA transmit disable function [Go to Page]
- 113.4.2.3.1 Global PMA transmit disable function
- 113.4.2.3.2 PMA pair by pair transmit disable function
- 113.4.2.3.3 PMA MDIO function mapping
- 113.4.2.4 PMA Receive function
- 113.4.2.5 PHY Control function [Go to Page]
- 113.4.2.5.1 Infofield notation
- 113.4.2.5.2 Start of Frame Delimiter
- 113.4.2.5.3 Current transmitter settings
- 113.4.2.5.4 Next transmitter settings
- 113.4.2.5.5 Requested transmitter settings
- 113.4.2.5.6 Message Field
- 113.4.2.5.7 SNR_margin
- 113.4.2.5.8 Transition counter
- 113.4.2.5.9 Coefficient exchange handshake
- 113.4.2.5.10 Ability Fields
- 113.4.2.5.11 Reserved fields
- 113.4.2.5.12 Vendor-specific field
- 113.4.2.5.13 Coefficient Field
- 113.4.2.5.14 CRC16
- 113.4.2.5.15 Startup sequence
- 113.4.2.5.16 Fast retrain function
- 113.4.2.6 Link Monitor function
- 113.4.2.7 Refresh Monitor function
- 113.4.2.8 Clock Recovery function
- 113.4.3 MDI [Go to Page]
- 113.4.3.1 MDI signals transmitted by the PHY
- 113.4.3.2 Signals received at the MDI
- 113.4.4 Automatic MDI/MDI-X configuration
- 113.4.5 State variables [Go to Page]
- 113.4.5.1 State diagram variables
- 113.4.5.2 Timers
- 113.4.5.3 Functions
- 113.4.5.4 Counters
- 113.4.6 State diagrams [Go to Page]
- 113.4.6.1 PHY Control state diagram
- 113.4.6.2 Transition counter state diagrams
- 113.4.6.3 Link Monitor state diagram
- 113.4.6.4 EEE Refresh monitor state diagram
- 113.4.6.5 Fast retrain state diagram
- 113.5 PMA electrical specifications [Go to Page]
- 113.5.1 Isolation requirement
- 113.5.2 Test modes [Go to Page]
- 113.5.2.1 Test fixtures
- 113.5.3 Transmitter electrical specifications [Go to Page]
- 113.5.3.1 Maximum output droop
- 113.5.3.2 Transmitter nonlinear distortion
- 113.5.3.3 Transmitter timing jitter
- 113.5.3.4 Transmitter power spectral density (PSD) and power level
- 113.5.3.5 Transmit clock frequency
- 113.5.4 Receiver electrical specifications [Go to Page]
- 113.5.4.1 Receiver differential input signals
- 113.5.4.2 Receiver frequency tolerance
- 113.5.4.3 Rejection of External EM Fields
- 113.5.4.4 Alien crosstalk noise rejection
- 113.5.4.5 Short reach mode
- 113.6 Management interfaces [Go to Page]
- 113.6.1 Support for Auto-Negotiation [Go to Page]
- 113.6.1.1 25G/40GBASE-T use of registers during Auto-Negotiation
- 113.6.1.2 25G/40GBASE-T Auto-Negotiation page use
- 113.6.1.3 Sending Next Pages
- 113.6.2 MASTER-SLAVE configuration resolution
- 113.7 Link segment characteristics [Go to Page]
- 113.7.1 Cabling system characteristics
- 113.7.2 Link segment transmission parameters [Go to Page]
- 113.7.2.1 Insertion loss
- 113.7.2.2 Differential characteristic impedance
- 113.7.2.3 Return loss
- 113.7.2.4 Coupling parameters between duplex channels comprising one link segment [Go to Page]
- 113.7.2.4.1 Differential near-end crosstalk
- 113.7.2.4.2 Multiple disturber near-end crosstalk (MDNEXT) loss
- 113.7.2.4.3 Multiple disturber power sum near-end crosstalk (PSNEXT) loss
- 113.7.2.4.4 Attenuation to crosstalk ratio, far end (ACRF)
- 113.7.2.4.5 Multiple disturber attenuation to crosstalk ratio, far-end (MDACRF)
- 113.7.2.4.6 Multiple disturber power sum attenuation to crosstalk ratio, far-end (PS-ACRF)
- 113.7.2.5 Maximum link delay
- 113.7.2.6 Link delay skew
- 113.7.3 Coupling parameters between link segments [Go to Page]
- 113.7.3.1 Multiple disturber alien near-end crosstalk (MDANEXT) loss [Go to Page]
- 113.7.3.1.1 Multiple disturber power sum alien near-end crosstalk (PSANEXT) loss
- 113.7.3.2 Multiple disturber alien far-end crosstalk (MDAFEXT) loss [Go to Page]
- 113.7.3.2.1 Multiple disturber power sum alien attenuation to crosstalk, far end crosstalk (PSAACRF)
- 113.7.4 Direct attach cable assembly—Short Reach Mode [Go to Page]
- 113.7.4.1 Insertion loss
- 113.7.4.2 Return loss
- 113.7.4.3 Coupling parameters between direct attach cable assembly duplex channels comprising one link segment [Go to Page]
- 113.7.4.3.1 Differential near-end crosstalk
- 113.7.4.3.2 Multiple disturber near-end crosstalk (MDNEXT) loss
- 113.7.4.3.3 Multiple disturber power sum near-end crosstalk (PSNEXT) loss
- 113.7.4.3.4 Attenuation to crosstalk ratio, far end (ACRF)
- 113.7.4.3.5 Multiple disturber attenuation to crosstalk ratio, far-end (MDACRF)
- 113.7.4.3.6 Maximum link delay
- 113.7.4.3.7 Link delay skew
- 113.7.4.3.8 Multiple disturber alien near-end crosstalk (MDANEXT) loss
- 113.7.4.3.9 Multiple disturber power sum alien near-end crosstalk (PSANEXT) loss
- 113.7.4.3.10 Multiple disturber power sum alien attenuation to crosstalk, far end crosstalk (PSAACRF)
- 113.7.5 Noise environment
- 113.8 MDI specification [Go to Page]
- 113.8.1 MDI connectors
- 113.8.2 MDI electrical specifications [Go to Page]
- 113.8.2.1 MDI return loss
- 113.8.2.2 MDI impedance balance
- 113.8.2.3 MDI fault tolerance
- 113.9 Environmental specifications [Go to Page]
- 113.9.1 General safety
- 113.9.2 Network safety
- 113.9.3 Installation and maintenance guidelines
- 113.9.4 Telephone voltages
- 113.9.5 Electromagnetic compatibility
- 113.9.6 Temperature and humidity
- 113.10 PHY labeling
- 113.11 Delay constraints
- 113.12 Protocol implementation conformance statement (PICS) proforma for Clause 113, Physical Coding Sublayer (PCS), Physical Medium Attachment (PMA) sublayer, and baseband medium, types 25GBASE-T and 40GBASE-T [Go to Page]
- 113.12.1 Identification [Go to Page]
- 113.12.1.1 Implementation identification
- 113.12.1.2 Protocol summary
- 113.12.2 Major capabilities/options
- 113.12.3 Physical Coding Sublayer (PCS) [Go to Page]
- 113.12.3.1 PCS Receive functions
- 113.12.3.2 Other PCS functions
- 113.12.4 Physical Medium Attachment (PMA)
- 113.12.5 Management interface
- 113.12.6 PMA Electrical Specifications
- 113.12.7 Characteristics of the link segment
- 113.12.8 Characteristics of the direct attach cable assembly
- 113.12.9 MDI requirements
- 113.12.10 General safety and environmental requirements
- 113.12.11 Timing requirements
- Annex 28B (normative) IEEE 802.3 Selector Base Page definition [Go to Page]
- 28B.3 Priority resolution
- Annex 28C (normative) Next Page Message Code field definitions [Go to Page]
- 28C.11 Message code 9—10MultiGBASE-T and 1000BASE-T technology message code
- Annex 28D (normative) Description of extensions to Clause 28 and associated annexes [Go to Page]
- 28D.8 Extensions required for Clause 113 (25GBASE-T and 40GBASE-T)
- Annex 113A (informative) Description of cable clamp and test setup [Go to Page]
- 113A.1 Overview
- 113A.2 Description of cable clamp
- 113A.3 Cable clamp measurement, calibration, and validation
- 113A.4 Test setup
- Annex A (informative) Bibliography [Go to Page]
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