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IEEE 802.3-2015

$522.71

IEEE Standard for Ethernet

Published By Publication Date Number of Pages
IEEE 2015 761
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Revision Standard – Superseded. Ethernet local area network operation is specified for selected speeds of operation from 1 Mb/s to 100 Gb/s using a common media access control (MAC) specification and management information base (MIB). The Carrier Sense Multiple Access with Collision Detection (CSMA/CD) MAC protocol specifies shared medium (half duplex) operation, as well as full duplex operation. Speed specific Media Independent Interfaces (MIIs) allow use of selected Physical Layer devices (PHY) for operation over coaxial, twisted pair or fiber optic cables, or electrical backplanes. System considerations for multisegment shared access networks describe the use of Repeaters which are defined for operational speeds up to 1000 Mb/s. Local Area Network (LAN) operation is supported at all speeds. Other specified capabilities include: various PHY types for access networks, PHYs suitable for metropolitan area network applications, and the provision of power over selected twisted pair PHY types.

PDF Catalog

PDF Pages PDF Title
1 IEEE Standard for Ethernet
SECTION TWO
Contents
38 21. Introduction to 100 Mb/s baseband networks, type 100BASE-T
21.1 Overview
39 21.1.1 Reconciliation Sublayer (RS) and Media Independent Interface (MII)
21.1.2 Physical Layer signaling systems
21.1.3 Repeater
21.1.4 Auto-Negotiation
21.1.5 Management
21.2 References
21.3 Definitions
21.4 Abbreviations
21.5 State diagrams
40 21.5.1 Actions inside state blocks
21.5.2 State diagram variables
21.5.3 State transitions
21.5.4 Operators
42 21.6 Protocol implementation conformance statement (PICS) proforma
21.6.1 Introduction
21.6.2 Abbreviations and special symbols
21.6.3 Instructions for completing the PICS proforma
43 21.6.4 Additional information
21.6.5 Exceptional information
21.6.6 Conditional items
44 21.7 MAC delay constraints (exposed MII)
45 22. Reconciliation Sublayer (RS) and Media Independent Interface (MII)
22.1 Overview
46 22.1.1 Summary of major concepts
22.1.2 Application
47 22.1.3 Rates of operation
22.1.4 Allocation of functions
22.1.5 Relationship of MII and GMII
22.2 Functional specifications
22.2.1 Mapping of MII signals to PLS service primitives and Station Management
48 22.2.1.1 Mapping of PLS_DATA.request
22.2.1.1.1 Function
22.2.1.1.2 Semantics of the service primitive
22.2.1.1.3 When generated
49 22.2.1.2 Mapping of PLS_DATA.indication
22.2.1.2.1 Function
22.2.1.2.2 Semantics of the service primitive
22.2.1.2.3 When generated
22.2.1.3 Mapping of PLS_CARRIER.indication
22.2.1.3.1 Function
22.2.1.3.2 Semantics of the service primitive
22.2.1.3.3 When generated
50 22.2.1.4 Mapping of PLS_SIGNAL.indication
22.2.1.4.1 Function
22.2.1.4.2 Semantics of the service primitive
22.2.1.4.3 When generated
22.2.1.5 Response to RX_ER indication from MII
22.2.1.6 Conditions for generation of TX_ER
51 22.2.1.7 Mapping of PLS_DATA_VALID.indication
22.2.1.7.1 Function
22.2.1.7.2 Semantics of the service primitive
22.2.1.7.3 When generated
22.2.2 MII signal functional specifications
22.2.2.1 TX_CLK (transmit clock)
22.2.2.2 RX_CLK (receive clock)
52 22.2.2.3 TX_EN (transmit enable)
22.2.2.4 TXD (transmit data)
53 22.2.2.5 TX_ER (transmit coding error)
54 22.2.2.6 Transmit direction LPI transition
22.2.2.7 RX_DV (Receive Data Valid)
22.2.2.8 RXD (receive data)
56 22.2.2.9 Receive direction LPI transition
22.2.2.10 RX_ER (receive error)
57 22.2.2.11 CRS (carrier sense)
22.2.2.12 COL (collision detected)
58 22.2.2.13 MDC (management data clock)
22.2.2.14 MDIO (management data input/output)
59 22.2.3 MII data stream
22.2.3.1 Inter-frame
22.2.3.2 Preamble and start of frame delimiter
22.2.3.2.1 Transmit case
60 22.2.3.2.2 Receive case
61 22.2.3.3 Data
22.2.3.4 End-of-Frame delimiter (EFD)
22.2.3.5 Handling of excess nibbles
22.2.4 Management functions
62 22.2.4.1 Control register (Register 0)
22.2.4.1.1 Reset
63 22.2.4.1.2 Loopback
64 22.2.4.1.3 Speed selection
22.2.4.1.4 Auto-Negotiation enable
22.2.4.1.5 Power down
65 22.2.4.1.6 Isolate
22.2.4.1.7 Restart Auto-Negotiation
22.2.4.1.8 Duplex mode
22.2.4.1.9 Collision test
66 22.2.4.1.10 Speed selection
22.2.4.1.11 Reserved bits
22.2.4.1.12 Unidirectional enable
22.2.4.2 Status register (Register 1)
22.2.4.2.1 100BASE-T4 ability
22.2.4.2.2 100BASE-X full duplex ability
68 22.2.4.2.3 100BASE-X half duplex ability
22.2.4.2.4 10 Mb/s full duplex ability
22.2.4.2.5 10 Mb/s half duplex ability
22.2.4.2.6 100BASE-T2 full duplex ability
22.2.4.2.7 100BASE-T2 half duplex ability
22.2.4.2.8 Unidirectional ability
22.2.4.2.9 MF preamble suppression ability
22.2.4.2.10 Auto-Negotiation complete
69 22.2.4.2.11 Remote fault
22.2.4.2.12 Auto-Negotiation ability
22.2.4.2.13 Link Status
22.2.4.2.14 Jabber detect
22.2.4.2.15 Extended capability
70 22.2.4.2.16 Extended status
22.2.4.3 Extended capability registers
22.2.4.3.1 PHY Identifier (Registers 2 and 3)
71 22.2.4.3.2 Auto-Negotiation advertisement (Register 4)
22.2.4.3.3 Auto-Negotiation link partner ability (Register 5)
22.2.4.3.4 Auto-Negotiation expansion (Register 6)
22.2.4.3.5 Auto-Negotiation Next Page (Register 7)
22.2.4.3.6 Auto-Negotiation link partner Received Next Page (Register 8)
22.2.4.3.7 MASTER-SLAVE control register (Register 9)
22.2.4.3.8 MASTER-SLAVE status register (Register 10)
22.2.4.3.9 PSE Control register (Register 11)
72 22.2.4.3.10 PSE Status register (Register 12)
22.2.4.3.11 MMD access control register (Register 13)
22.2.4.3.12 MMD access address data register (Register 14)
73 22.2.4.3.13 PHY specific registers
22.2.4.4 Extended Status register (Register 15)
22.2.4.4.1 1000BASE-X full duplex ability
74 22.2.4.4.2 1000BASE-X half duplex ability
22.2.4.4.3 1000BASE-T full duplex ability
22.2.4.4.4 1000BASE-T half duplex ability
22.2.4.4.5 Reserved bits
22.2.4.5 Management frame structure
22.2.4.5.1 IDLE (IDLE condition)
22.2.4.5.2 PRE (preamble)
75 22.2.4.5.3 ST (start of frame)
22.2.4.5.4 OP (operation code)
22.2.4.5.5 PHYAD (PHY Address)
22.2.4.5.6 REGAD (Register Address)
22.2.4.5.7 TA (turnaround)
76 22.2.4.5.8 DATA (data)
22.3 Signal timing characteristics
22.3.1 Signals that are synchronous to TX_CLK
22.3.1.1 TX_EN
22.3.1.2 TXD
22.3.1.3 TX_ER
77 22.3.2 Signals that are synchronous to RX_CLK
22.3.2.1 RX_DV
22.3.2.2 RXD
22.3.2.3 RX_ER
22.3.3 Signals that have no required clock relationship
22.3.3.1 CRS
22.3.3.2 COL
22.3.4 MDIO timing relationship to MDC
78 22.4 Electrical characteristics
22.4.1 Signal levels
79 22.4.2 Signal paths
22.4.3 Driver characteristics
22.4.3.1 DC characteristics
22.4.3.2 AC characteristics
80 22.4.4 Receiver characteristics
22.4.4.1 Voltage thresholds
22.4.4.2 Input current
22.4.4.3 Input capacitance
22.4.5 Cable characteristics
81 22.4.5.1 Conductor size
22.4.5.2 Characteristic impedance
22.4.5.3 Delay
82 22.4.5.4 Delay variation
22.4.5.5 Shielding
22.4.5.6 DC resistance
22.4.6 Hot insertion and removal
22.5 Power supply
22.5.1 Supply voltage
83 22.5.2 Load current
22.5.3 Short-circuit protection
22.6 Mechanical characteristics
22.6.1 Definition of mechanical interface
22.6.2 Shielding effectiveness and transfer impedance
84 22.6.3 Connector pin numbering
22.6.4 Clearance dimensions
85 22.6.5 Contact assignments
86 22.7 LPI assertion and detection
87 22.7.1 LPI messages
22.7.2 Transmit LPI state diagram
22.7.2.1 Conventions
22.7.2.2 Variables and counters
88 22.7.2.3 State diagram
22.7.3 Considerations for transmit system behavior
22.7.3.1 Considerations for receive system behavior
89 22.8 Protocol implementation conformance statement (PICS) proforma for Clause 22, Reconciliation Sublayer (RS) and Media Independent Interface (MII)
22.8.1 Introduction
22.8.2 Identification
22.8.2.1 Implementation identification
22.8.2.2 Protocol summary
90 22.8.2.3 Major capabilities/options
22.8.3 PICS proforma tables for reconciliation sublayer and media independent interface
22.8.3.1 Mapping of PLS service primitives
22.8.3.2 MII signal functional specifications
92 22.8.3.3 LPI functions
93 22.8.3.4 Frame structure
22.8.3.5 Management functions
97 22.8.3.6 Signal timing characteristics
98 22.8.3.7 Electrical characteristics
100 22.8.3.8 Power supply
22.8.3.9 Mechanical characteristics
101 23. Physical Coding Sublayer (PCS), Physical Medium Attachment (PMA) sublayer and baseband medium, type 100BASE-T4
23.1 Overview
23.1.1 Scope
23.1.2 Objectives
23.1.3 Relation of 100BASE-T4 to other standards
23.1.4 Summary
102 23.1.4.1 Summary of Physical Coding Sublayer (PCS) specification
104 23.1.4.2 Summary of physical medium attachment (PMA) specification
23.1.5 Application of 100BASE-T4
23.1.5.1 Compatibility considerations
105 23.1.5.2 Incorporating the 100BASE-T4 PHY into a DTE
23.1.5.3 Use of 100BASE-T4 PHY for point-to-point communication
23.1.5.4 Support for Auto-Negotiation
23.2 PCS functional specifications
23.2.1 PCS functions
23.2.1.1 PCS Reset function
106 23.2.1.2 PCS Transmit function
107 23.2.1.2.1 DC balance encoding rules
23.2.1.3 PCS Receive function
108 23.2.1.3.1 Error-detecting rules
109 23.2.1.4 PCS Error Sense function
23.2.1.5 PCS Carrier Sense function
23.2.1.6 PCS Collision Presence function
110 23.2.2 PCS interfaces
23.2.2.1 PCS–MII interface signals
23.2.2.2 PCS–Management entity signals
23.2.3 Frame structure
111 23.2.4 PCS state diagrams
23.2.4.1 PCS state diagram constants
112 23.2.4.2 PCS state diagram variables
115 23.2.4.3 PCS state diagram timer
23.2.4.4 PCS state diagram functions
117 23.2.4.5 PCS state diagrams
119 23.2.5 PCS electrical specifications
23.3 PMA service interface
120 23.3.1 PMA_TYPE.indication
23.3.1.1 Semantics of the service primitive
23.3.1.2 When generated
23.3.1.3 Effect of receipt
23.3.2 PMA_UNITDATA.request
23.3.2.1 Semantics of the service primitive
121 23.3.2.2 When generated
23.3.2.3 Effect of receipt
23.3.3 PMA_UNITDATA.indication
23.3.3.1 Semantics of the service primitive
23.3.3.2 When generated
122 23.3.3.3 Effect of receipt
23.3.4 PMA_CARRIER.indication
23.3.4.1 Semantics of the service primitive
23.3.4.2 When generated
23.3.4.3 Effect of receipt
23.3.5 PMA_LINK.indication
23.3.5.1 Semantics of the service primitive
23.3.5.2 When generated
23.3.5.3 Effect of receipt
123 23.3.6 PMA_LINK.request
23.3.6.1 Semantics of the service primitive
23.3.6.2 Default value of parameter link_control
23.3.6.3 When generated
23.3.6.4 Effect of receipt
124 23.3.7 PMA_RXERROR.indication
23.3.7.1 Semantics of the service primitive
23.3.7.2 When generated
23.3.7.3 Effect of receipt
23.4 PMA functional specifications
23.4.1 PMA functions
23.4.1.1 PMA Reset function
125 23.4.1.2 PMA Transmit function
126 23.4.1.3 PMA Receive function
23.4.1.4 PMA Carrier Sense function
127 23.4.1.5 Link Integrity function
23.4.1.6 PMA Align function
128 23.4.1.7 Clock Recovery function
23.4.2 PMA interface messages
129 23.4.3 PMA state diagrams
23.4.3.1 PMA constants
130 23.4.3.2 State diagram variables
23.4.3.3 State diagram timers
131 23.4.3.4 State diagram counters
23.4.3.5 Link Integrity state diagram
23.5 PMA electrical specifications
23.5.1 PMA-to-MDI interface characteristics
23.5.1.1 Isolation requirement
132 23.5.1.2 Transmitter specifications
23.5.1.2.1 Peak differential output voltage
133 23.5.1.2.2 Differential output templates
137 23.5.1.2.3 Differential output ISI (intersymbol interference)
139 23.5.1.2.4 Transmitter differential output impedance
140 23.5.1.2.5 Output timing jitter
23.5.1.2.6 Transmitter impedance balance
141 23.5.1.2.7 Common-mode output voltage
23.5.1.2.8 Transmitter common-mode rejection
142 23.5.1.2.9 Transmitter fault tolerance
23.5.1.2.10 Transmit clock frequency
23.5.1.3 Receiver specifications
143 23.5.1.3.1 Receiver differential input signals
144 23.5.1.3.2 Receiver differential noise immunity
23.5.1.3.3 Receiver differential input impedance
23.5.1.3.4 Common-mode rejection
145 23.5.1.3.5 Receiver fault tolerance
23.5.1.3.6 Receiver frequency tolerance
23.5.2 Power consumption
23.6 Link segment characteristics
23.6.1 Cabling
146 23.6.2 Link transmission parameters
23.6.2.1 Insertion loss
23.6.2.2 Differential characteristic impedance
23.6.2.3 Coupling parameters
23.6.2.3.1 Differential Near-End Crosstalk (NEXT) loss
23.6.2.3.2 Multiple-disturber NEXT (MDNEXT) loss
147 23.6.2.3.3 Equal Level Far-End Crosstalk (ELFEXT) loss
23.6.2.3.4 Multiple-disturber ELFEXT (MDELFEXT) loss
23.6.2.4 Delay
23.6.2.4.1 Maximum link delay
23.6.2.4.2 Maximum link delay per meter
148 23.6.2.4.3 Difference in link delays
23.6.3 Noise
23.6.3.1 Near-End Crosstalk
23.6.3.2 Far-End Crosstalk
149 23.6.4 Installation practice
23.6.4.1 Connector installation practices
23.6.4.2 Disallow use of Category 3 cable with more than four pairs
23.6.4.3 Allow use of Category 5 jumpers with up to 25 pairs
23.7 MDI specification
23.7.1 MDI connectors
150 23.7.2 Crossover function
23.8 System considerations
151 23.9 Environmental specifications
23.9.1 General safety
23.9.2 Network safety
152 23.9.2.1 Installation
23.9.2.2 Grounding
23.9.2.3 Installation and maintenance guidelines
23.9.2.4 Telephony voltages
153 23.9.3 Environment
23.9.3.1 Electromagnetic emission
23.9.3.2 Temperature and humidity
23.10 PHY labeling
23.11 Timing summary
23.11.1 Timing references
154 23.11.2 Definitions of controlled parameters
156 23.11.3 Table of required timing values
164 23.12 Protocol implementation conformance statement (PICS) proforma for Clause 23, Physical Coding Sublayer (PCS), Physical Medium Attachment (PMA) sublayer, and baseband medium, type 100BASE-T4
23.12.1 Introduction
23.12.2 Identification
23.12.2.1 Implementation identification
23.12.2.2 Protocol summary
165 23.12.3 Major capabilities/options
23.12.4 PICS proforma tables for the Physical Coding Sublayer (PCS), Physical Medium Attachment (PMA) sublayer and baseband medium, type 100BASE-T4
23.12.4.1 Compatibility considerations
23.12.4.2 PCS Transmit functions
166 23.12.4.3 PCS Receive functions
23.12.4.4 Other PCS functions
167 23.12.4.5 PCS state diagram variables
168 23.12.4.6 PMA service interface
23.12.4.7 PMA Transmit functions
169 23.12.4.8 PMA Receive functions
23.12.4.9 Link Integrity functions
170 23.12.4.10 PMA Align functions
23.12.4.11 Other PMA functions
171 23.12.4.12 Isolation requirements
23.12.4.13 PMA electrical requirements
174 23.12.4.14 Characteristics of the link segment
175 23.12.4.15 MDI requirements
176 23.12.4.16 General safety and environmental requirements
177 23.12.4.17 Timing requirements
178 24. Physical Coding Sublayer (PCS) and Physical Medium Attachment (PMA) sublayer, type 100BASE-X
24.1 Overview
24.1.1 Scope
24.1.2 Objectives
179 24.1.3 Relationship of 100BASE-X to other standards
24.1.4 Summary of 100BASE-X sublayers
24.1.4.1 Physical Coding Sublayer (PCS)
180 24.1.4.2 Physical Medium Attachment (PMA) sublayer
24.1.4.3 Physical Medium Dependent (PMD) sublayer
24.1.4.4 Auto-Negotiation
24.1.5 Inter-sublayer interfaces
182 24.1.6 Functional block diagram
24.1.7 State diagram conventions
24.2 Physical Coding Sublayer (PCS)
24.2.1 Service Interface (MII)
24.2.2 Functional requirements
184 24.2.2.1 Code-groups
24.2.2.1.1 Data code-groups
186 24.2.2.1.2 Idle code-groups
24.2.2.1.3 Control code-groups
24.2.2.1.4 Start-of-Stream delimiter (/J/K/)
24.2.2.1.5 End-of-Stream delimiter (/T/R/)
24.2.2.1.6 SLEEP code-groups (/P/)
24.2.2.1.7 Invalid code-groups
24.2.2.2 Encapsulation
187 24.2.2.3 Data delay
188 24.2.2.4 Mapping between MII and PMA
24.2.3 State variables
24.2.3.1 Constants
189 24.2.3.2 Variables
191 24.2.3.3 Functions
24.2.3.4 Timers
192 24.2.3.5 Messages
193 24.2.4 State diagrams
24.2.4.1 Transmit Bits
24.2.4.2 Transmit
194 24.2.4.3 Receive Bits
24.2.4.4 Receive
196 24.2.4.4.1 Detecting channel activity
24.2.4.4.2 Code-group alignment
24.2.4.4.3 Stream decoding
198 24.2.4.4.4 Stream termination
200 24.2.4.5 Carrier Sense
24.3 Physical Medium Attachment (PMA) sublayer
24.3.1 Service interface
201 24.3.1.1 PMA_TYPE.indicate
24.3.1.1.1 Semantics of the service primitive
24.3.1.1.2 When generated
24.3.1.1.3 Effect of receipt
24.3.1.2 PMA_UNITDATA.request
24.3.1.2.1 Semantics of the service primitive
24.3.1.2.2 When generated
24.3.1.2.3 Effect of receipt
24.3.1.3 PMA_UNITDATA.indicate
24.3.1.3.1 Semantics of the service primitive
202 24.3.1.3.2 When generated
24.3.1.3.3 Effect of receipt
24.3.1.4 PMA_CARRIER.indicate
24.3.1.4.1 Semantics of the service primitive
24.3.1.4.2 When generated
24.3.1.4.3 Effect of receipt
24.3.1.5 PMA_LINK.indicate
24.3.1.5.1 Semantics of the service primitive
24.3.1.5.2 When generated
24.3.1.5.3 Effect of receipt
203 24.3.1.6 PMA_LINK.request
24.3.1.6.1 Semantics of the service primitive
24.3.1.6.2 When generated
24.3.1.6.3 Effect of receipt
24.3.1.7 PMA_RXERROR.indicate
24.3.1.7.1 Semantics of the service primitive
24.3.1.7.2 When generated
24.3.1.7.3 Effect of receipt
24.3.1.8 PMA_LPILINKFAIL.request
24.3.1.8.1 Semantics of the service primitive
204 24.3.1.8.2 When generated
24.3.1.8.3 Effect of receipt
24.3.1.9 PMA_RXLPI.request
24.3.1.9.1 Semantics of the service primitive
24.3.1.9.2 When generated
24.3.1.9.3 Effect of receipt
24.3.2 Functional requirements
205 24.3.2.1 Far-End fault
24.3.2.2 Comparison to previous IEEE 802.3 PMAs
206 24.3.2.3 EEE capability
24.3.3 State variables
24.3.3.1 Constants
24.3.3.2 Variables
208 24.3.3.3 Functions
24.3.3.4 Timers
24.3.3.5 Counters
24.3.3.6 Messages
24.3.4 Process specifications and state diagrams
24.3.4.1 TX
209 24.3.4.2 RX
24.3.4.3 Carrier detect
24.3.4.4 Link Monitor
211 24.3.4.5 Far-End Fault Generate
212 24.3.4.6 Far-End Fault Detect
214 24.4 Physical Medium Dependent (PMD) sublayer service interface
24.4.1 PMD service interface
24.4.1.1 PMD_UNITDATA.request
24.4.1.1.1 Semantics of the service primitive
24.4.1.1.2 When generated
24.4.1.1.3 Effect of receipt
24.4.1.2 PMD_UNITDATA.indicate
215 24.4.1.2.1 Semantics of the service primitive
24.4.1.2.2 When generated
24.4.1.2.3 Effect of receipt
24.4.1.3 PMD_SIGNAL.indicate
24.4.1.3.1 Semantics of the service primitive
24.4.1.3.2 When generated
24.4.1.3.3 Effect of receipt
24.4.1.4 PMD_RXQUIET.request
24.4.1.4.1 Semantics of the service primitive
24.4.1.4.2 When generated
216 24.4.1.4.3 Effect of receipt
24.4.1.5 PMD_TXQUIET.request
24.4.1.5.1 Semantics of the service primitive
24.4.1.5.2 When generated
24.4.1.5.3 Effect of receipt
24.4.2 Medium Dependent Interface (MDI)
24.5 Compatibility considerations
24.6 Delay constraints
217 24.6.1 PHY delay constraints (exposed MII)
24.6.2 DTE delay constraints (unexposed MII)
218 24.6.3 Carrier deassertion/assertion constraint (half duplex mode only)
24.7 Environmental specifications
219 24.8 Protocol implementation conformance statement (PICS) proforma for Clause 24, Physical Coding Sublayer (PCS) and Physical Medium Attachment (PMA) sublayer, type 100BASE-X
24.8.1 Introduction
24.8.2 Identification
24.8.2.1 Implementation identification
24.8.2.2 Protocol summary
220 24.8.2.3 Major capabilities/options
24.8.3 PICS proforma tables for the Physical Coding Sublayer (PCS) and Physical Medium Attachment (PMA) sublayer, type 100BASE-X
24.8.3.1 General compatibility considerations
24.8.3.2 PCS functions
221 24.8.3.3 PMA functions
24.8.3.4 Timing
24.8.3.5 LPI functions
223 25. Physical Medium Dependent (PMD) sublayer and baseband medium, type 100BASE-TX
25.1 Overview
25.1.1 State diagram conventions
25.2 Functional specifications
25.3 General exceptions
25.4 Specific requirements and exceptions
224 25.4.1 Change to 7.2.3.1.1, “Line state patterns”
225 25.4.2 Change to 7.2.3.3, “Loss of synchronization”
25.4.3 Change to Table 8-1, “Contact assignments for twisted pair”
25.4.4 Deletion of 8.3, “Station labelling”
25.4.5 Change to 9.1.7, “Worst case droop of transformer”
226 25.4.5.1 Equivalent system time constant
227 25.4.6 Replacement of 8.4.1, “UTP isolation requirements”
25.4.7 Addition to 10.1, “Receiver”
25.4.8 Change to 9.1.9, “Jitter”
228 25.4.9 Cable plant
25.4.9.1 Cabling system characteristics
25.4.9.2 Link transmission parameters
25.4.9.2.1 Insertion loss
25.4.9.2.2 Differential characteristic impedance
25.4.9.2.3 Return loss
229 25.4.9.2.4 Differential near-end crosstalk (NEXT)
25.4.9.3 Noise environment
25.4.9.3.1 External coupled noise
25.4.10 Replacement of 11.2, “Crossover function”
25.4.11 Change to A.2, “DDJ test pattern for baseline wander measurements”
25.4.12 Change to Annex G, “Stream cipher scrambling function”
25.4.13 Change to Annex I, “Common mode cable termination”
230 25.5 EEE capability
25.5.1 Change to TP-PMD 7.1.2 “Encoder”
25.5.1.1 State variables
25.5.1.1.1 Variables
25.5.1.1.2 Messages
231 25.5.1.2 State diagram
25.5.2 Change to TP-PMD 7.2.2 “Decoder”
25.5.2.1 State variables
25.5.2.1.1 Variables
232 25.5.2.1.2 Messages
25.5.2.2 State diagram
25.5.3 Changes to 10.1.1.1 “Signal_Detect assertion threshold”
233 25.5.4 Changes to 10.1.1.2 “Signal_Detect deassertion threshold”
25.5.5 Change to 10.1.2 “Signal_Detect timing requirements on assertion”
25.5.6 Change to 10.1.3 “Signal_Detect timing requirements on deassertion”
25.5.7 Changes to TP-PMD 10.2 “Transmitter”
234 25.5.8 Replace TP-PMD Table 4 “Signal_Detect summary” with Table 25–3
235 25.6 Protocol implementation conformance statement (PICS) proforma for Clause 25, Physical Medium Dependent (PMD) sublayer and baseband medium, type 100BASE-TX
25.6.1 Introduction
25.6.2 Identification
25.6.2.1 Implementation identification
25.6.2.2 Protocol summary
236 25.6.3 Major capabilities/options
25.6.3.1 DTE Power via MDI major capabilities/options
237 25.6.4 PICS proforma tables for the Physical Medium Dependent (PMD) sublayer and baseband medium, type 100BASE-TX
25.6.4.1 General compatibility considerations
25.6.4.2 PMD compliance
25.6.4.3 Characteristics of link segment
238 25.6.4.4 DTE Power via MDI compliance
239 25.6.4.5 LPI functions
240 26. Physical Medium Dependent (PMD) sublayer and baseband medium, type 100BASE-FX
26.1 Overview
26.2 Functional specifications
26.3 General exceptions
241 26.4 Specific requirements and exceptions
26.4.1 Medium Dependent Interface (MDI)
26.4.2 Crossover function
242 26.5 Protocol implementation conformance statement (PICS) proforma for Clause 26, Physical Medium Dependent (PMD) sublayer and baseband medium, type 100BASE-FX
26.5.1 Introduction
26.5.2 Identification
26.5.2.1 Implementation identification
26.5.3 Protocol summary
243 26.5.4 Major capabilities/options
26.5.5 PICS proforma tables for Physical Medium Dependent (PMD) sublayer and baseband medium, type 100BASE-FX
26.5.5.1 General compatibility considerations
26.5.5.2 PMD compliance
244 27. Repeater for 100 Mb/s baseband networks
27.1 Overview
27.1.1 Scope
27.1.1.1 Repeater set
245 27.1.1.2 Repeater unit
27.1.1.3 Repeater classes
27.1.2 Application perspective
27.1.2.1 Objectives
27.1.2.2 Compatibility considerations
246 27.1.2.2.1 Internal segment compatibility
27.1.3 Relationship to PHY
27.2 PMA interface messages
27.3 Repeater functional specifications
247 27.3.1 Repeater functions
27.3.1.1 Signal restoration functional requirements
27.3.1.1.1 Signal amplification
27.3.1.1.2 Signal wave-shape restoration
27.3.1.1.3 Signal retiming
27.3.1.2 Data handling functional requirements
27.3.1.2.1 Data frame forwarding
27.3.1.2.2 Received code violations
248 27.3.1.3 Received event handling functional requirements
27.3.1.3.1 Received event handling
27.3.1.3.2 Preamble regeneration
27.3.1.3.3 Start-of-packet propagation delay
27.3.1.3.4 Start-of-packet variability
27.3.1.4 Collision handling functional requirements
27.3.1.4.1 Collision detection
27.3.1.4.2 Jam generation
249 27.3.1.4.3 Collision-jam propagation delay
27.3.1.4.4 Cessation-of-collision Jam propagation delay
27.3.1.5 Error handling functional requirements
27.3.1.5.1 100BASE-X and 100BASE-T2 carrier integrity functional requirements
250 27.3.1.5.2 Speed handling
27.3.1.6 Partition functional requirements
251 27.3.1.7 Receive jabber functional requirements
27.3.2 Detailed repeater functions and state diagrams
27.3.2.1 State diagram variables
27.3.2.1.1 Constants
252 27.3.2.1.2 Variables
255 27.3.2.1.3 Functions
27.3.2.1.4 Timers
256 27.3.2.1.5 Counters
27.3.2.1.6 Port designation
257 27.3.2.2 State diagrams
265 27.4 Repeater electrical specifications
27.4.1 Electrical isolation
27.5 Environmental specifications
27.5.1 General safety
27.5.2 Network safety
27.5.2.1 Installation
27.5.2.2 Grounding
266 27.5.2.3 Installation and maintenance guidelines
27.5.3 Electrical isolation
27.5.3.1 Environment A requirements
27.5.3.2 Environment B requirements
27.5.4 Reliability
267 27.5.5 Environment
27.5.5.1 Electromagnetic emission
27.5.5.2 Temperature and humidity
27.6 Repeater labeling
268 27.7 Protocol implementation conformance statement (PICS) proforma for Clause 27, Repeater for 100 Mb/s baseband networks
27.7.1 Introduction
27.7.2 Identification
27.7.2.1 Implementation identification
27.7.2.2 Protocol summary
269 27.7.3 Major capabilities/options
27.7.4 PICS proforma tables for the repeater for 100 Mb/s baseband networks
27.7.4.1 Compatibility considerations
270 27.7.4.2 Repeater functions
27.7.4.3 Signal Restoration function
271 27.7.4.4 Data Handling function
27.7.4.5 Receive Event Handling function
272 27.7.4.6 Collision Handling function
273 27.7.4.7 Error Handling function
27.7.4.8 Partition functions
274 27.7.4.9 Receive Jabber function
275 27.7.4.10 Repeater state diagrams
27.7.4.11 Repeater electrical
276 27.7.4.12 Repeater labeling
277 28. Physical Layer link signaling for Auto-Negotiation on twisted pair
28.1 Overview
28.1.1 Scope
278 28.1.2 Application perspective/objectives
28.1.3 Relationship to architectural layering
279 28.1.4 Compatibility considerations
280 28.1.4.1 Interoperability with existing 10BASE-T devices
28.1.4.2 Interoperability with Auto-Negotiation compatible devices
28.1.4.3 Cabling compatibility with Auto-Negotiation
28.2 Functional specifications
281 28.2.1 Transmit function requirements
28.2.1.1 Link pulse transmission
28.2.1.1.1 FLP burst encoding
282 28.2.1.1.2 Transmit timing
283 28.2.1.2 Link codeword encoding
28.2.1.2.1 Selector Field
28.2.1.2.2 Technology Ability Field
284 28.2.1.2.3 Extended Next Page
28.2.1.2.4 Remote Fault
28.2.1.2.5 Acknowledge
28.2.1.2.6 Next Page
285 28.2.1.3 Transmit Switch function
28.2.2 Receive function requirements
28.2.2.1 FLP Burst ability detection and decoding
286 28.2.2.2 NLP detection
28.2.2.3 Receive Switch function
287 28.2.2.4 Link codeword matching
28.2.3 Arbitration function requirements
28.2.3.1 Parallel detection function
28.2.3.2 Renegotiation function
288 28.2.3.3 Priority Resolution function
28.2.3.4 Next Page function
289 28.2.3.4.1 Next Page encodings
290 28.2.3.4.2 Extended Next Page encodings
28.2.3.4.3 Next Page
291 28.2.3.4.4 Acknowledge
28.2.3.4.5 Message Page
28.2.3.4.6 Acknowledge 2
28.2.3.4.7 Toggle
28.2.3.4.8 Message Page encoding
28.2.3.4.9 Message Code Field
28.2.3.4.10 Unformatted Page encoding
292 28.2.3.4.11 Unformatted Code Field
28.2.3.4.12 Extended Unformatted Code Field
28.2.3.4.13 Use of Next Pages
28.2.3.4.14 MII register requirements
28.2.3.5 Remote fault sensing function
293 28.2.4 Management function requirements
28.2.4.1 Media Independent Interface
28.2.4.1.1 MII control register
28.2.4.1.2 MII status register
294 28.2.4.1.3 Auto-Negotiation advertisement register (Register 4) (R/W)
28.2.4.1.4 Auto-Negotiation Link Partner ability register (Register 5) (RO)
295 28.2.4.1.5 Auto-Negotiation expansion register (Register 6) (RO)
297 28.2.4.1.6 Auto-Negotiation Next Page transmit register (Register 7) (R/W)
28.2.4.1.7 Auto-Negotiation Link Partner Received Next Page register (Register 8) (RO)
298 28.2.4.1.8 State diagram variable to MII register mapping
299 28.2.4.2 Auto-Negotiation managed object class
28.2.5 Absence of management function
28.2.6 Technology-Dependent Interface
28.2.6.1 PMA_LINK.indication
28.2.6.1.1 Semantics of the service primitive
300 28.2.6.1.2 When generated
28.2.6.1.3 Effect of receipt
28.2.6.2 PMA_LINK.request
28.2.6.2.1 Semantics of the service primitive
28.2.6.2.2 When generated
28.2.6.2.3 Effect of receipt
28.2.6.3 PMA_LINKPULSE.request
301 28.2.6.3.1 Semantics of the service primitive
28.2.6.3.2 When generated
28.2.6.3.3 Effect of receipt
28.3 State diagrams and variable definitions
302 28.3.1 State diagram variables
308 28.3.2 State diagram timers
311 28.3.3 State diagram counters
312 28.3.4 State diagrams
315 28.4 Electrical specifications
316 28.5 Protocol implementation conformance statement (PICS) proforma for Clause 28, Physical Layer link signaling for Auto-Negotiation on twisted pair
28.5.1 Introduction
28.5.2 Identification
28.5.2.1 Implementation identification
28.5.2.2 Protocol summary
317 28.5.3 Major capabilities/options
28.5.4 PICS proforma tables for Physical Layer link signaling for Auto-Negotiation on twisted pair
28.5.4.1 Scope
318 28.5.4.2 Auto-Negotiation functions
28.5.4.3 Transmit function requirements
320 28.5.4.4 Receive function requirements
321 28.5.4.5 Arbitration functions
324 28.5.4.6 Management function requirements
326 28.5.4.7 Technology-dependent interface
327 28.5.4.8 State diagrams
328 28.5.4.9 Electrical characteristics
28.5.4.10 Auto-Negotiation annexes
331 28.6 Auto-Negotiation expansion
332 29. System considerations for multisegment 100BASE-T networks
29.1 Overview
333 29.1.1 Single collision domain multisegment networks
334 29.1.2 Repeater usage
29.2 Transmission System Model 1
29.3 Transmission System Model 2
336 29.3.1 Round-trip collision delay
29.3.1.1 Worst-case path delay value (PDV) selection
337 29.3.1.2 Worst-case PDV calculation
338 29.4 Full duplex 100 Mb/s topology limitations
340 30. Management
30.1 Overview
341 30.1.1 Scope
30.1.2 Relationship to objects in IEEE 802.1F
30.1.3 Systems management overview
342 30.1.4 Management model
343 30.2 Managed objects
30.2.1 Introduction
30.2.2 Overview of managed objects
30.2.2.1 Text description of managed objects
347 30.2.2.2 Functions to support management
30.2.2.2.1 DTE MAC sublayer functions
30.2.2.2.2 Repeater functions
350 30.2.3 Containment
353 30.2.4 Naming
30.2.5 Capabilities
377 30.3 Layer management for DTEs
30.3.1 MAC entity managed object class
30.3.1.1 MAC entity attributes
30.3.1.1.1 aMACID
30.3.1.1.2 aFramesTransmittedOK
30.3.1.1.3 aSingleCollisionFrames
30.3.1.1.4 aMultipleCollisionFrames
378 30.3.1.1.5 aFramesReceivedOK
30.3.1.1.6 aFrameCheckSequenceErrors
30.3.1.1.7 aAlignmentErrors
30.3.1.1.8 aOctetsTransmittedOK
379 30.3.1.1.9 aFramesWithDeferredXmissions
30.3.1.1.10 aLateCollisions
30.3.1.1.11 aFramesAbortedDueToXSColls
30.3.1.1.12 aFramesLostDueToIntMACXmitError
380 30.3.1.1.13 aCarrierSenseErrors
30.3.1.1.14 aOctetsReceivedOK
30.3.1.1.15 aFramesLostDueToIntMACRcvError
30.3.1.1.16 aPromiscuousStatus
381 30.3.1.1.17 aReadMulticastAddressList
30.3.1.1.18 aMulticastFramesXmittedOK
30.3.1.1.19 aBroadcastFramesXmittedOK
30.3.1.1.20 aFramesWithExcessiveDeferral
382 30.3.1.1.21 aMulticastFramesReceivedOK
30.3.1.1.22 aBroadcastFramesReceivedOK
30.3.1.1.23 aInRangeLengthErrors
30.3.1.1.24 aOutOfRangeLengthField
383 30.3.1.1.25 aFrameTooLongErrors
30.3.1.1.26 aMACEnableStatus
30.3.1.1.27 aTransmitEnableStatus
384 30.3.1.1.28 aMulticastReceiveStatus
30.3.1.1.29 aReadWriteMACAddress
30.3.1.1.30 aCollisionFrames
30.3.1.1.31 aMACCapabilities
30.3.1.1.32 aDuplexStatus
385 30.3.1.1.33 aRateControlAbility
30.3.1.1.34 aRateControlStatus
30.3.1.1.35 aDeferControlAbility
30.3.1.1.36 aDeferControlStatus
386 30.3.1.1.37 aMaxFrameLength
30.3.1.1.38 aSlowProtocolFrameLimit
30.3.1.2 MAC entity actions
30.3.1.2.1 acInitializeMAC
30.3.1.2.2 acAddGroupAddress
387 30.3.1.2.3 acDeleteGroupAddress
30.3.1.2.4 acExecuteSelfTest
30.3.2 PHY device managed object class
30.3.2.1 PHY device attributes
30.3.2.1.1 aPHYID
30.3.2.1.2 aPhyType
388 30.3.2.1.3 aPhyTypeList
389 30.3.2.1.4 aSQETestErrors
30.3.2.1.5 aSymbolErrorDuringCarrier
30.3.2.1.6 aMIIDetect
390 30.3.2.1.7 aPhyAdminState
30.3.2.1.8 aTransmitLPIMicroseconds
30.3.2.1.9 aReceiveLPIMicroseconds
391 30.3.2.1.10 aTransmitLPITransitions
30.3.2.1.11 aReceiveLPITransitions
30.3.2.2 PHY device actions
30.3.2.2.1 acPhyAdminControl
30.3.3 MAC control entity object class
30.3.3.1 aMACControlID
392 30.3.3.2 aMACControlFunctionsSupported
30.3.3.3 aMACControlFramesTransmitted
30.3.3.4 aMACControlFramesReceived
30.3.3.5 aUnsupportedOpcodesReceived
393 30.3.3.6 aPFCEnableStatus
30.3.4 PAUSE entity managed object class
30.3.4.1 aPAUSELinkDelayAllowance
30.3.4.2 aPAUSEMACCtrlFramesTransmitted
394 30.3.4.3 aPAUSEMACCtrlFramesReceived
30.3.5 MPCP managed object class
30.3.5.1 MPCP Attributes
30.3.5.1.1 aMPCPID
30.3.5.1.2 aMPCPAdminState
30.3.5.1.3 aMPCPMode
395 30.3.5.1.4 aMPCPLinkID
30.3.5.1.5 aMPCPRemoteMACAddress
30.3.5.1.6 aMPCPRegistrationState
396 30.3.5.1.7 aMPCPMACCtrlFramesTransmitted
30.3.5.1.8 aMPCPMACCtrlFramesReceived
30.3.5.1.9 aMPCPTxGate
30.3.5.1.10 aMPCPTxRegAck
397 30.3.5.1.11 aMPCPTxRegister
30.3.5.1.12 aMPCPTxRegRequest
30.3.5.1.13 aMPCPTxReport
30.3.5.1.14 aMPCPRxGate
398 30.3.5.1.15 aMPCPRxRegAck
30.3.5.1.16 aMPCPRxRegister
30.3.5.1.17 aMPCPRxRegRequest
30.3.5.1.18 aMPCPRxReport
399 30.3.5.1.19 aMPCPTransmitElapsed
30.3.5.1.20 aMPCPReceiveElapsed
30.3.5.1.21 aMPCPRoundTripTime
30.3.5.1.22 aMPCPDiscoveryWindowsSent
400 30.3.5.1.23 aMPCPDiscoveryTimeout
30.3.5.1.24 aMPCPMaximumPendingGrants
30.3.5.1.25 aMPCPRecognizedMulticastIDs
30.3.5.2 MPCP Actions
30.3.5.2.1 acMPCPAdminControl
30.3.6 OAM object class
401 30.3.6.1 OAM Attributes
30.3.6.1.1 aOAMID
30.3.6.1.2 aOAMAdminState
30.3.6.1.3 aOAMMode
30.3.6.1.4 aOAMDiscoveryState
402 30.3.6.1.5 aOAMRemoteMACAddress
30.3.6.1.6 aOAMLocalConfiguration
30.3.6.1.7 aOAMRemoteConfiguration
403 30.3.6.1.8 aOAMLocalPDUConfiguration
30.3.6.1.9 aOAMRemotePDUConfiguration
30.3.6.1.10 aOAMLocalFlagsField
30.3.6.1.11 aOAMRemoteFlagsField
404 30.3.6.1.12 aOAMLocalRevision
30.3.6.1.13 aOAMRemoteRevision
30.3.6.1.14 aOAMLocalState
405 30.3.6.1.15 aOAMRemoteState
30.3.6.1.16 aOAMRemoteVendorOUI
30.3.6.1.17 aOAMRemoteVendorSpecificInfo
406 30.3.6.1.18 aOAMUnsupportedCodesTx
30.3.6.1.19 aOAMUnsupportedCodesRx
30.3.6.1.20 aOAMInformationTx
30.3.6.1.21 aOAMInformationRx
407 30.3.6.1.22 aOAMUniqueEventNotificationTx
30.3.6.1.23 aOAMDuplicateEventNotificationTx
30.3.6.1.24 aOAMUniqueEventNotificationRx
408 30.3.6.1.25 aOAMDuplicateEventNotificationRx
30.3.6.1.26 aOAMLoopbackControlTx
30.3.6.1.27 aOAMLoopbackControlRx
30.3.6.1.28 aOAMVariableRequestTx
409 30.3.6.1.29 aOAMVariableRequestRx
30.3.6.1.30 aOAMVariableResponseTx
30.3.6.1.31 aOAMVariableResponseRx
30.3.6.1.32 aOAMOrganizationSpecificTx
410 30.3.6.1.33 aOAMOrganizationSpecificRx
30.3.6.1.34 aOAMLocalErrSymPeriodConfig
30.3.6.1.35 aOAMLocalErrSymPeriodEvent
411 30.3.6.1.36 aOAMLocalErrFrameConfig
30.3.6.1.37 aOAMLocalErrFrameEvent
30.3.6.1.38 aOAMLocalErrFramePeriodConfig
30.3.6.1.39 aOAMLocalErrFramePeriodEvent
412 30.3.6.1.40 aOAMLocalErrFrameSecsSummaryConfig
30.3.6.1.41 aOAMLocalErrFrameSecsSummaryEvent
30.3.6.1.42 aOAMRemoteErrSymPeriodEvent
413 30.3.6.1.43 aOAMRemoteErrFrameEvent
30.3.6.1.44 aOAMRemoteErrFramePeriodEvent
414 30.3.6.1.45 aOAMRemoteErrFrameSecsSummaryEvent
30.3.6.1.46 aFramesLostDueToOAMError
415 30.3.6.2 OAM Actions
30.3.6.2.1 acOAMAdminControl
30.3.7 OMPEmulation managed object class
30.3.7.1 OMPEmulation Attributes
30.3.7.1.1 aOMPEmulationID
30.3.7.1.2 aOMPEmulationType
30.3.7.1.3 aSLDErrors
416 30.3.7.1.4 aCRC8Errors
30.3.7.1.5 aGoodLLID
30.3.7.1.6 aONUPONcastLLID
30.3.7.1.7 aOLTPONcastLLID
417 30.3.7.1.8 aBadLLID
30.3.8 EXTENSION entity managed object class
30.3.8.1 aEXTENSIONMACCtrlFramesTransmitted
30.3.8.2 aEXTENSIONMACCtrlFramesReceived
30.3.8.3 aEXTENSIONMACCtrlStatus
418 30.4 Layer management for 10, 100, and 1000 Mb/s baseband repeaters
30.4.1 Repeater managed object class
30.4.1.1 Repeater attributes
30.4.1.1.1 aRepeaterID
30.4.1.1.2 aRepeaterType
30.4.1.1.3 aRepeaterGroupCapacity
419 30.4.1.1.4 aGroupMap
30.4.1.1.5 aRepeaterHealthState
30.4.1.1.6 aRepeaterHealthText
30.4.1.1.7 aRepeaterHealthData
420 30.4.1.1.8 aTransmitCollisions
30.4.1.2 Repeater actions
30.4.1.2.1 acResetRepeater
30.4.1.2.2 acExecuteNonDisruptiveSelfTest
421 30.4.1.3 Repeater notifications
30.4.1.3.1 nRepeaterHealth
30.4.1.3.2 nRepeaterReset
30.4.1.3.3 nGroupMapChange
30.4.2 Group managed object class
422 30.4.2.1 Group attributes
30.4.2.1.1 aGroupID
30.4.2.1.2 aGroupPortCapacity
30.4.2.1.3 aPortMap
30.4.2.2 Group notifications
30.4.2.2.1 nPortMapChange
423 30.4.3 Repeater port managed object class
30.4.3.1 Port attributes
30.4.3.1.1 aPortID
30.4.3.1.2 aPortAdminState
30.4.3.1.3 aAutoPartitionState
424 30.4.3.1.4 aReadableFrames
30.4.3.1.5 aReadableOctets
30.4.3.1.6 aFrameCheckSequenceErrors
30.4.3.1.7 aAlignmentErrors
425 30.4.3.1.8 aFramesTooLong
30.4.3.1.9 aShortEvents
30.4.3.1.10 aRunts
426 30.4.3.1.11 aCollisions
30.4.3.1.12 aLateEvents
30.4.3.1.13 aVeryLongEvents
427 30.4.3.1.14 aDataRateMismatches
30.4.3.1.15 aAutoPartitions
30.4.3.1.16 aIsolates
428 30.4.3.1.17 aSymbolErrorDuringPacket
30.4.3.1.18 aLastSourceAddress
30.4.3.1.19 aSourceAddressChanges
30.4.3.1.20 aBursts
30.4.3.2 Port actions
30.4.3.2.1 acPortAdminControl
429 30.5 Layer management for medium attachment units (MAUs)
30.5.1 MAU managed object class
30.5.1.1 MAU attributes
30.5.1.1.1 aMAUID
30.5.1.1.2 aMAUType
433 30.5.1.1.3 aMAUTypeList
30.5.1.1.4 aMediaAvailable
435 30.5.1.1.5 aLoseMediaCounter
30.5.1.1.6 aJabber
30.5.1.1.7 aMAUAdminState
30.5.1.1.8 aBbMAUXmitRcvSplitType
436 30.5.1.1.9 aBroadbandFrequencies
30.5.1.1.10 aFalseCarriers
30.5.1.1.11 aBIPErrorCount
437 30.5.1.1.12 aLaneMapping
30.5.1.1.13 aIdleErrorCount
30.5.1.1.14 aPCSCodingViolation
30.5.1.1.15 aFECAbility
438 30.5.1.1.16 aFECmode
30.5.1.1.17 aFECCorrectedBlocks
439 30.5.1.1.18 aFECUncorrectableBlocks
30.5.1.1.19 aSNROpMarginChnlA
30.5.1.1.20 aSNROpMarginChnlB
30.5.1.1.21 aSNROpMarginChnlC
440 30.5.1.1.22 aSNROpMarginChnlD
30.5.1.1.23 aEEESupportList
30.5.1.1.24 aLDFastRetrainCount
30.5.1.1.25 aLPFastRetrainCount
441 30.5.1.1.26 aRSFECBIPErrorCount
30.5.1.1.27 aRSFECLaneMapping
30.5.1.1.28 aRSFECBypassAbility
30.5.1.1.29 aRSFECIndicationAbility
442 30.5.1.1.30 aRSFECBypassEnable
30.5.1.1.31 aRSFECIndicationEnable
30.5.1.2 MAU actions
30.5.1.2.1 acResetMAU
443 30.5.1.2.2 acMAUAdminControl
30.5.1.3 MAU notifications
30.5.1.3.1 nJabber
30.6 Management for link Auto-Negotiation
30.6.1 Auto-Negotiation managed object class
30.6.1.1 Auto-Negotiation attributes
30.6.1.1.1 aAutoNegID
30.6.1.1.2 aAutoNegAdminState
444 30.6.1.1.3 aAutoNegRemoteSignaling
30.6.1.1.4 aAutoNegAutoConfig
30.6.1.1.5 aAutoNegLocalTechnologyAbility
445 30.6.1.1.6 aAutoNegAdvertisedTechnologyAbility
30.6.1.1.7 aAutoNegReceivedTechnologyAbility
446 30.6.1.1.8 aAutoNegLocalSelectorAbility
30.6.1.1.9 aAutoNegAdvertisedSelectorAbility
30.6.1.1.10 aAutoNegReceivedSelectorAbility
30.6.1.2 Auto-Negotiation actions
30.6.1.2.1 acAutoNegRestartAutoConfig
447 30.6.1.2.2 acAutoNegAdminControl
30.7 Management for Link Aggregation
30.7.1 Aggregator managed object class
448 30.7.1.1 Aggregator attributes
30.7.1.1.1 aAggID
30.7.1.1.2 aAggDescription
30.7.1.1.3 aAggName
30.7.1.1.4 aAggActorSystemID
449 30.7.1.1.5 aAggActorSystemPriority
30.7.1.1.6 aAggAggregateOrIndividual
30.7.1.1.7 aAggActorAdminKey
30.7.1.1.8 aAggActorOperKey
30.7.1.1.9 aAggMACAddress
30.7.1.1.10 aAggPartnerSystemID
450 30.7.1.1.11 aAggPartnerSystemPriority
30.7.1.1.12 aAggPartnerOperKey
30.7.1.1.13 aAggAdminState
30.7.1.1.14 aAggOperState
451 30.7.1.1.15 aAggTimeOfLastOperChange
30.7.1.1.16 aAggDataRate
30.7.1.1.17 aAggOctetsTxOK
30.7.1.1.18 aAggOctetsRxOK
452 30.7.1.1.19 aAggFramesTxOK
30.7.1.1.20 aAggFramesRxOK
30.7.1.1.21 aAggMulticastFramesTxOK
30.7.1.1.22 aAggMulticastFramesRxOK
453 30.7.1.1.23 aAggBroadcastFramesTxOK
30.7.1.1.24 aAggBroadcastFramesRxOK
30.7.1.1.25 aAggFramesDiscardedOnTx
454 30.7.1.1.26 aAggFramesDiscardedOnRx
30.7.1.1.27 aAggFramesWithTxErrors
30.7.1.1.28 aAggFramesWithRxErrors
30.7.1.1.29 aAggUnknownProtocolFrames
30.7.1.1.30 aAggPortList
455 30.7.1.1.31 aAggLinkUpDownNotificationEnable
30.7.1.1.32 aAggCollectorMaxDelay
30.7.1.2 Aggregator Notifications
30.7.1.2.1 nAggLinkUpNotification
30.7.1.2.2 nAggLinkDownNotification
456 30.7.2 Aggregation Port managed object class
30.7.2.1 Aggregation Port Attributes
30.7.2.1.1 aAggPortID
30.7.2.1.2 aAggPortActorSystemPriority
30.7.2.1.3 aAggPortActorSystemID
30.7.2.1.4 aAggPortActorAdminKey
30.7.2.1.5 aAggPortActorOperKey
457 30.7.2.1.6 aAggPortPartnerAdminSystemPriority
30.7.2.1.7 aAggPortPartnerOperSystemPriority
30.7.2.1.8 aAggPortPartnerAdminSystemID
30.7.2.1.9 aAggPortPartnerOperSystemID
458 30.7.2.1.10 aAggPortPartnerAdminKey
30.7.2.1.11 aAggPortPartnerOperKey
30.7.2.1.12 aAggPortSelectedAggID
30.7.2.1.13 aAggPortAttachedAggID
30.7.2.1.14 aAggPortActorPort
459 30.7.2.1.15 aAggPortActorPortPriority
30.7.2.1.16 aAggPortPartnerAdminPort
30.7.2.1.17 aAggPortPartnerOperPort
30.7.2.1.18 aAggPortPartnerAdminPortPriority
30.7.2.1.19 aAggPortPartnerOperPortPriority
460 30.7.2.1.20 aAggPortActorAdminState
30.7.2.1.21 aAggPortActorOperState
30.7.2.1.22 aAggPortPartnerAdminState
30.7.2.1.23 aAggPortPartnerOperState
461 30.7.2.1.24 aAggPortAggregateOrIndividual
30.7.3 Aggregation Port Statistics managed object class
30.7.3.1 Aggregation Port Statistics attributes
30.7.3.1.1 aAggPortStatsID
30.7.3.1.2 aAggPortStatsLACPDUsRx
30.7.3.1.3 aAggPortStatsMarkerPDUsRx
30.7.3.1.4 aAggPortStatsMarkerResponsePDUsRx
462 30.7.3.1.5 aAggPortStatsUnknownRx
30.7.3.1.6 aAggPortStatsIllegalRx
30.7.3.1.7 aAggPortStatsLACPDUsTx
30.7.3.1.8 aAggPortStatsMarkerPDUsTx
30.7.3.1.9 aAggPortStatsMarkerResponsePDUsTx
463 30.7.4 Aggregation Port Debug Information managed object class
30.7.4.1 Aggregation Port Debug Information attributes
30.7.4.1.1 aAggPortDebugInformationID
30.7.4.1.2 aAggPortDebugRxState
30.7.4.1.3 aAggPortDebugLastRxTime
464 30.7.4.1.4 aAggPortDebugMuxState
30.7.4.1.5 aAggPortDebugMuxReason
30.7.4.1.6 aAggPortDebugActorChurnState
30.7.4.1.7 aAggPortDebugPartnerChurnState
465 30.7.4.1.8 aAggPortDebugActorChurnCount
30.7.4.1.9 aAggPortDebugPartnerChurnCount
30.7.4.1.10 aAggPortDebugActorSyncTransitionCount
30.7.4.1.11 aAggPortDebugPartnerSyncTransitionCount
466 30.7.4.1.12 aAggPortDebugActorChangeCount
30.7.4.1.13 aAggPortDebugPartnerChangeCount
30.8 Management for WAN Interface Sublayer (WIS)
30.8.1 WIS managed object class
30.8.1.1 WIS attributes
30.8.1.1.1 aWISID
30.8.1.1.2 aSectionStatus
467 30.8.1.1.3 aSectionSESThreshold
30.8.1.1.4 aSectionSESs
30.8.1.1.5 aSectionESs
30.8.1.1.6 aSectionSEFSs
468 30.8.1.1.7 aSectionCVs
30.8.1.1.8 aJ0ValueTX
30.8.1.1.9 aJ0ValueRX
30.8.1.1.10 aLineStatus
30.8.1.1.11 aLineSESThreshold
469 30.8.1.1.12 aLineSESs
30.8.1.1.13 aLineESs
30.8.1.1.14 aLineCVs
30.8.1.1.15 aFarEndLineSESs
470 30.8.1.1.16 aFarEndLineESs
30.8.1.1.17 aFarEndLineCVs
30.8.1.1.18 aPathStatus
30.8.1.1.19 aPathSESThreshold
30.8.1.1.20 aPathSESs
471 30.8.1.1.21 aPathESs
30.8.1.1.22 aPathCVs
30.8.1.1.23 aJ1ValueTX
30.8.1.1.24 aJ1ValueRX
472 30.8.1.1.25 aFarEndPathStatus
30.8.1.1.26 aFarEndPathSESs
30.8.1.1.27 aFarEndPathESs
30.8.1.1.28 aFarEndPathCVs
473 30.9 Management for DTE Power via MDI
30.9.1 PSE managed object class
30.9.1.1 PSE attributes
30.9.1.1.1 aPSEID
30.9.1.1.2 aPSEAdminState
30.9.1.1.3 aPSEPowerPairsControlAbility
30.9.1.1.4 aPSEPowerPairs
474 30.9.1.1.5 aPSEPowerDetectionStatus
30.9.1.1.6 aPSEPowerClassification
475 30.9.1.1.7 aPSEInvalidSignatureCounter
30.9.1.1.8 aPSEPowerDeniedCounter
30.9.1.1.9 aPSEOverLoadCounter
30.9.1.1.10 aPSEShortCounter
476 30.9.1.1.11 aPSEMPSAbsentCounter
30.9.1.1.12 aPSEActualPower
30.9.1.1.13 aPSEPowerAccuracy
30.9.1.1.14 aPSECumulativeEnergy
30.9.1.2 PSE actions
30.9.1.2.1 acPSEAdminControl
477 30.9.2 PD managed object class
30.9.2.1 PD attributes
30.9.2.1.1 aPDID
30.10 Layer management for Midspan
30.10.1 Midspan managed object class
30.10.1.1 Midspan attributes
30.10.1.1.1 aMidSpanID
30.10.1.1.2 aMidSpanPSEGroupCapacity
478 30.10.1.1.3 aMidSpanPSEGroupMap
30.10.1.2 Midspan notifications
30.10.1.2.1 nMidSpanPSEGroupMapChange
30.10.2 PSE Group managed object class
30.10.2.1 PSE Group attributes
30.10.2.1.1 aPSEGroupID
30.10.2.1.2 aPSECapacity
479 30.10.2.1.3 aPSEMap
30.10.2.2 PSE Group notifications
30.10.2.2.1 nPSEMapChange
30.11 Layer Management for Physical Medium Entity (PME)
30.11.1 PAF managed object class
30.11.1.1 PAFAttributes
30.11.1.1.1 aPAFID
30.11.1.1.2 aPhyEnd
480 30.11.1.1.3 aPHYCurrentStatus
30.11.1.1.4 aPAFSupported
30.11.1.1.5 aPAFAdminState
481 30.11.1.1.6 aLocalPAFCapacity
30.11.1.1.7 aLocalPMEAvailable
30.11.1.1.8 aLocalPMEAggregate
482 30.11.1.1.9 aRemotePAFSupported
30.11.1.1.10 aRemotePAFCapacity
30.11.1.1.11 aRemotePMEAggregate
483 30.11.2 PME managed object class
30.11.2.1 PME Attributes
30.11.2.1.1 aPMEID
30.11.2.1.2 aPMEAdminState
30.11.2.1.3 aPMEStatus
484 30.11.2.1.4 aPMESNRMgn
30.11.2.1.5 aTCCodingViolations
30.11.2.1.6 aProfileSelect
485 30.11.2.1.7 aOperatingProfile
30.11.2.1.8 aPMEFECCorrectedBlocks
30.11.2.1.9 aPMEFECUncorrectableBlocks
486 30.11.2.1.10 aTCCRCErrors
30.12 Layer Management for Link Layer Discovery Protocol (LLDP)
30.12.1 LLDP Configuration managed object class
30.12.1.1 LLDP Configuration attributes
30.12.1.1.1 aLldpXdot3PortConfigTLVsTxEnable
30.12.2 LLDP Local System Group managed object class
487 30.12.2.1 LLDP Local System Group attributes
30.12.2.1.1 aLldpXdot3LocPortAutoNegSupported
30.12.2.1.2 aLldpXdot3LocPortAutoNegEnabled
30.12.2.1.3 aLldpXdot3LocPortAutoNegAdvertisedCap
30.12.2.1.4 aLldpXdot3LocPortOperMauType
30.12.2.1.5 aLldpXdot3LocPowerPortClass
488 30.12.2.1.6 aLldpXdot3LocPowerMDISupported
30.12.2.1.7 aLldpXdot3LocPowerMDIEnabled
30.12.2.1.8 aLldpXdot3LocPowerPairControlable
30.12.2.1.9 aLldpXdot3LocPowerPairs
30.12.2.1.10 aLldpXdot3LocPowerClass
489 30.12.2.1.11 aLldpXdot3LocLinkAggStatus
30.12.2.1.12 aLldpXdot3LocLinkAggPortId
30.12.2.1.13 aLldpXdot3LocMaxFrameSize
30.12.2.1.14 aLldpXdot3LocPowerType
30.12.2.1.15 aLldpXdot3LocPowerSource
490 30.12.2.1.16 aLldpXdot3LocPowerPriority
30.12.2.1.17 aLldpXdot3LocPDRequestedPowerValue
30.12.2.1.18 aLldpXdot3LocPSEAllocatedPowerValue
30.12.2.1.19 aLldpXdot3LocResponseTime
491 30.12.2.1.20 aLldpXdot3LocReady
30.12.2.1.21 aLldpXdot3LocReducedOperationPowerValue
30.12.2.1.22 aLldpXdot3LocTxTwSys
492 30.12.2.1.23 aLldpXdot3LocTxTwSysEcho
30.12.2.1.24 aLldpXdot3LocRxTwSys
30.12.2.1.25 aLldpXdot3LocRxTwSysEcho
30.12.2.1.26 aLldpXdot3LocFbTwSys
30.12.2.1.27 aLldpXdot3TxDllReady
493 30.12.2.1.28 aLldpXdot3RxDllReady
30.12.2.1.29 aLldpXdot3LocDllEnabled
30.12.2.1.30 aLldpXdot3LocTxFw
30.12.2.1.31 aLldpXdot3LocTxFwEcho
494 30.12.2.1.32 aLldpXdot3LocRxFw
30.12.2.1.33 aLldpXdot3LocRxFwEcho
30.12.3 LLDP Remote System Group managed object class
30.12.3.1 LLDP Remote System Group attributes
30.12.3.1.1 aLldpXdot3RemPortAutoNegSupported
30.12.3.1.2 aLldpXdot3RemPortAutoNegEnabled
495 30.12.3.1.3 aLldpXdot3RemPortAutoNegAdvertisedCap
30.12.3.1.4 aLldpXdot3RemPortOperMauType
30.12.3.1.5 aLldpXdot3RemPowerPortClass
30.12.3.1.6 aLldpXdot3RemPowerMDISupported
30.12.3.1.7 aLldpXdot3RemPowerMDIEnabled
496 30.12.3.1.8 aLldpXdot3RemPowerPairControlable
30.12.3.1.9 aLldpXdot3RemPowerPairs
30.12.3.1.10 aLldpXdot3RemPowerClass
30.12.3.1.11 aLldpXdot3RemLinkAggStatus
30.12.3.1.12 aLldpXdot3RemLinkAggPortId
497 30.12.3.1.13 aLldpXdot3RemMaxFrameSize
30.12.3.1.14 aLldpXdot3RemPowerType
30.12.3.1.15 aLldpXdot3RemPowerSource
30.12.3.1.16 aLldpXdot3RemPowerPriority
498 30.12.3.1.17 aLldpXdot3RemPDRequestedPowerValue
30.12.3.1.18 aLldpXdot3RemPSEAllocatedPowerValue
30.12.3.1.19 aLldpXdot3RemTxTwSys
30.12.3.1.20 aLldpXdot3RemTxTwSysEcho
30.12.3.1.21 aLldpXdot3RemRxTwSys
499 30.12.3.1.22 aLldpXdot3RemRxTwSysEcho
30.12.3.1.23 aLldpXdot3RemFbTwSys
30.12.3.1.24 aLldpXdot3RemTxFw
30.12.3.1.25 aLldpXdot3RemTxFwEcho
30.12.3.1.26 aLldpXdot3RemRxFw
500 30.12.3.1.27 aLldpXdot3RemRxFwEcho
30.13 Management for oTimeSync entity
30.13.1 TimeSync entity managed object class
30.13.1.1 aTimeSyncCapabilityTX
30.13.1.2 aTimeSyncCapabilityRX
501 30.13.1.3 aTimeSyncDelayTXmax
30.13.1.4 aTimeSyncDelayTXmin
30.13.1.5 aTimeSyncDelayRXmax
502 30.13.1.6 aTimeSyncDelayRXmin
503 31. MAC Control
31.1 Overview
31.2 Layer architecture
31.3 Support by interlayer interfaces
505 31.3.1 MA_CONTROL.request
31.3.1.1 Function
31.3.1.2 Semantics of the service primitive
31.3.1.3 When generated
31.3.1.4 Effect of receipt
31.3.2 MA_CONTROL.indication
31.3.2.1 Function
31.3.2.2 Semantics of the service primitive
506 31.3.2.3 When generated
31.3.2.4 Effect of receipt
31.4 MAC Control frames
31.4.1 MAC Control frame format
31.4.1.1 Destination Address field
507 31.4.1.2 Source Address field
31.4.1.3 Length/Type field
31.4.1.4 MAC Control Opcode field
31.4.1.5 MAC Control Parameters field
31.4.1.6 Reserved field
31.5 Opcode-independent MAC Control sublayer operation
31.5.1 Frame parsing and data frame reception
508 31.5.2 Control frame reception
31.5.3 Opcode-independent MAC Control receive state diagram
31.5.3.1 Constants
31.5.3.2 Variables
509 31.5.3.3 Messages
510 31.5.3.4 Opcode-independent MAC Control Receive state diagram
31.6 Compatibility requirements
31.7 MAC Control client behavior
511 31.8 Protocol implementation conformance statement (PICS) proforma for Clause 31, MAC Control
31.8.1 Introduction
31.8.2 Identification
31.8.2.1 Implementation identification
31.8.2.2 Protocol summary
512 31.8.3 PICS proforma for MAC Control frames
31.8.3.1 Support by interlayer interfaces
31.8.3.2 MAC Control frame format
31.8.3.3 Opcode-independent MAC Control sublayer operation
31.8.3.4 Control opcode assignments
513 32. Physical Coding Sublayer (PCS), Physical Medium Attachment (PMA) sublayer and baseband medium, type 100BASE-T2
32.1 Overview
32.1.1 Relation of 100BASE-T2 to other standards
32.1.2 Operation of 100BASE-T2
517 32.1.2.1 Physical coding sublayer (PCS)
32.1.2.2 PMA sublayer
32.1.2.3 PHY Control function
518 32.1.3 Application of 100BASE-T2
32.1.3.1 Compatibility considerations
32.1.3.2 Incorporating the 100BASE-T2 PHY into a DTE
32.1.3.3 Use of 100BASE-T2 PHY for point-to-point communication
32.1.3.4 Auto-Negotiation requirement
32.1.4 State diagram conventions
32.2 PHY Control functional specifications and service interface
32.2.1 PHY Control function
519 32.2.2 PHY Control Service interface
32.2.2.1 PHYC_CONFIG.indication
32.2.2.1.1 Semantics of the primitive
520 32.2.2.1.2 When generated
32.2.2.1.3 Effect of receipt
32.2.2.2 PHYC_TXMODE.indication
32.2.2.2.1 Semantics of the primitive
32.2.2.2.2 When generated
32.2.2.2.3 Effect of receipt
32.2.2.3 PHYC_RXSTATUS.request
32.2.2.3.1 Semantics of the primitive
521 32.2.2.3.2 When generated
32.2.2.3.3 Effect of receipt
32.2.2.4 PHYC_REMRXSTATUS.request
32.2.2.4.1 Semantics of the primitive
32.2.2.4.2 When generated
32.2.2.4.3 Effect of receipt
32.2.3 State diagram variables
522 32.2.4 State diagram timers
523 32.2.5 PHY Control state diagram
32.3 PCS functional specifications
525 32.3.1 PCS functions
32.3.1.1 PCS Reset function
32.3.1.2 PCS Transmit function
32.3.1.2.1 Side-stream scrambler polynomials
526 32.3.1.2.2 Generation of bits San[2:0] and Sbn[2:0]
527 32.3.1.2.3 Generation of sequences An and Bn
530 32.3.1.3 PCS Receive function
32.3.1.3.1 Receiver descrambler polynomials
32.3.1.3.2 Decoding of quinary symbols
531 32.3.1.4 PCS Carrier Sense function
32.3.1.5 PCS Collision Presence function
32.3.2 PCS interfaces
32.3.2.1 PCS–MII interface signals
32.3.2.2 PCS–management entity signals
532 32.3.3 Frame structure
32.3.4 State variables
32.3.4.1 Variables
534 32.3.4.2 Timer
32.3.4.3 Messages
32.3.5 State diagrams
32.3.5.1 PCS Transmit
32.3.5.2 PCS Receive
535 32.3.5.3 PCS Carrier Sense
32.3.6 PCS electrical specifications
538 32.4 PMA functional specifications and service interface
32.4.1 PMA functional specifications
539 32.4.1.1 PMA functions
32.4.1.1.1 PMA Reset function
32.4.1.1.2 PMA Transmit function
32.4.1.1.3 PMA Receive function
32.4.1.1.4 Link Monitor function
540 32.4.1.1.5 Clock Recovery function
32.4.1.2 PMA interface messages
32.4.1.2.1 MDI signals transmitted by the PHY
32.4.1.2.2 Signals received at the MDI
541 32.4.1.3 PMA state diagram
32.4.1.3.1 State diagram variables
32.4.1.3.2 Timers
32.4.1.3.3 Link Monitor state diagram
542 32.4.2 PMA service interface
32.4.2.1 PMA_TYPE.indication
32.4.2.1.1 Semantics of the service primitive
32.4.2.1.2 When generated
32.4.2.1.3 Effect of receipt
32.4.2.2 PMA_UNITDATA.request
32.4.2.2.1 Semantics of the service primitive
543 32.4.2.2.2 When generated
32.4.2.2.3 Effect of receipt
32.4.2.3 PMA_UNITDATA.indication
32.4.2.3.1 Semantics of the service primitive
32.4.2.3.2 When generated
32.4.2.3.3 Effect of receipt
32.4.2.4 PMA_LINK.request
32.4.2.4.1 Semantics of the service primitive
544 32.4.2.4.2 When generated
32.4.2.4.3 Effect of receipt
32.4.2.5 PMA_LINK.indication
32.4.2.5.1 Semantics of the service primitive
32.4.2.5.2 When generated
32.4.2.5.3 Effect of receipt
32.4.2.6 PMA_CARRIER.indication
545 32.4.2.7 PMA_RXERROR.indication
32.4.2.8 PMA_RXSTATUS.request
32.5 Management functions
32.5.1 100BASE-T2 Use of Auto-Negotiation and MII Registers 8, 9, and 10
546 32.5.2 Management functions
547 32.5.3 PHY specific registers for 100BASE-T2
32.5.3.1 100BASE-T2 Control register (Register 9)
32.5.3.1.1 Transmitter test mode
32.5.3.1.2 Receive test mode
548 32.5.3.1.3 MASTER-SLAVE Manual Configuration Enable
32.5.3.1.4 MASTER-SLAVE Manual Configuration Value
32.5.3.1.5 T2_Repeater/DTE Bit
32.5.3.1.6 Reserved bits
32.5.3.2 100BASE-T2 Status register (Register 10)
549 32.5.3.2.1 MASTER-SLAVE Manual Configuration Fault
32.5.3.2.2 MASTER-SLAVE Configuration Resolution Complete
32.5.3.2.3 Local Receiver Status
32.5.3.2.4 Remote Receiver Status
32.5.3.2.5 Reserved bits
32.5.3.2.6 Idle Error count
32.5.4 Changes and additions to Auto-Negotiation (Clause 28)
32.5.4.1 Change to 28.2.4.1.3 (Auto-Negotiation Advertisement register)
550 32.5.4.2 Use of Auto-Negotiation Next Page codes for 100BASE-T2 PHYs
551 32.5.4.3 MASTER-SLAVE Configuration Resolution
552 32.6 PMA electrical specifications
32.6.1 PMA-to-MDI interface characteristics
32.6.1.1 Isolation requirement
32.6.1.2 Transmitter electrical specifications
553 32.6.1.2.1 Transmitter test modes
32.6.1.2.2 Peak differential output voltage and level distortion
555 32.6.1.2.3 Maximum output droop
32.6.1.2.4 Differential output templates
559 32.6.1.2.5 Transmitter timing jitter
32.6.1.2.6 Transmit clock frequency
32.6.1.3 Receiver electrical specifications
560 32.6.1.3.1 Test channel
571 32.6.1.3.2 Receiver test mode
572 32.6.1.3.3 Receiver differential input signals
32.6.1.3.4 Receiver Alien NEXT tolerance
32.6.1.3.5 Receiver timing jitter
573 32.6.1.3.6 Common-mode noise rejection
32.6.1.3.7 Receiver frequency tolerance
32.6.1.4 MDI Specifications
32.6.1.4.1 MDI differential impedance
32.6.1.4.2 MDI impedance balance
574 32.6.1.4.3 MDI common-mode output voltage
575 32.6.1.4.4 MDI fault tolerance
32.6.2 Power consumption
32.7 Link segment characteristics
576 32.7.1 Cabling
32.7.2 Link transmission parameters
32.7.2.1 Insertion loss
32.7.2.2 Differential characteristic impedance
32.7.2.3 Coupling parameters
577 32.7.2.3.1 Differential near-end crosstalk (NEXT) loss
32.7.2.3.2 Multiple-disturber NEXT (MDNEXT) loss
32.7.2.3.3 Equal level far-end crosstalk loss (ELFEXT)
32.7.2.3.4 Multiple-disturber ELFEXT (MDELFEXT) loss
32.7.2.3.5 10BASE-T NEXT loss to insertion loss ratio requirement
578 32.7.2.4 Delay
32.7.2.4.1 Maximum link delay
32.7.2.4.2 Difference in link delays
32.7.3 Noise
579 32.7.3.1 Near-end crosstalk noise
580 32.7.3.2 Far-end crosstalk noise
32.7.3.3 External coupled noise
32.7.4 Installation practice
32.7.4.1 Connector installation practices
32.7.4.2 Restrictions on use of Category 3 cabling with more than four pairs
581 32.7.4.3 Restrictions on use of Category 5 cabling with up to 25 pairs
32.8 MDI specification
32.8.1 MDI connectors
32.8.2 Crossover function
582 32.9 System considerations
32.10 Environmental specifications
32.10.1 General safety
32.10.2 Network safety
583 32.10.2.1 Installation
32.10.2.2 Grounding
32.10.2.3 Installation and maintenance guidelines
32.10.2.4 Telephony voltages
584 32.10.3 Environment
32.10.3.1 Electromagnetic emission
32.10.3.2 Temperature and humidity
32.10.4 Cabling specifications
32.11 PHY labeling
32.12 Delay constraints
32.12.1 PHY delay constraints (exposed MII)
585 32.12.2 DTE delay constraints (unexposed MII)
586 32.13 Protocol implementation conformance statement (PICS) proforma for Clause 32, Physical Coding Sublayer (PCS), Physical Medium Attachment (PMA) sublayer and baseband medium, type 100BASE-T2
32.13.1 Identification
32.13.1.1 Implementation identification
32.13.1.2 Protocol summary
587 32.13.2 Major capabilities/options
32.13.3 Compatibility considerations
588 32.13.4 PHY control function
589 32.13.5 Physical Coding Sublayer (PCS) or Physical Medium Attachment (PMA) sublayer
32.13.5.1 PCS transmit functions
32.13.5.2 PCS receive functions
590 32.13.5.3 Other PCS functions
591 32.13.5.4 PMA functions
592 32.13.5.5 PMA service interface
593 32.13.5.6 Management functions
594 32.13.5.7 100BASE-T2 specific Auto-Negotiation requirements
595 32.13.5.8 PMA electrical specifications
602 32.13.5.9 Characteristics of the link segment
604 32.13.5.10 MDI requirements
32.13.5.11 General safety and environmental requirements
605 32.13.5.12 Timing requirements exposed MII
32.13.5.13 Timing requirements unexposed MII
32.13.5.14 Timing requirements: carrier assertion/deassertion constraint
606 33. Data Terminal Equipment (DTE) Power via Media Dependent Interface (MDI)
33.1 Overview
33.1.1 Objectives
607 33.1.2 Compatibility considerations
33.1.3 Relationship of DTE Power via MDI to the IEEE 802.3 Architecture
608 33.1.4 Type 1 and Type 2 system parameters
609 33.1.4.1 Type 2 cabling requirement
33.1.4.2 Type 1 and Type 2 channel requirement
33.2 Power sourcing equipment (PSE)
33.2.1 PSE location
610 33.2.2 Midspan PSE types
615 33.2.3 PI pin assignments
616 33.2.4 PSE state diagrams
33.2.4.1 Overview
33.2.4.2 Conventions
33.2.4.3 Constants
33.2.4.4 Variables
620 33.2.4.5 Timers
33.2.4.6 Functions
622 33.2.4.7 State diagrams
624 33.2.5 PSE detection of PDs
33.2.5.1 PSE detection validation circuit
626 33.2.5.2 Detection probe requirements
33.2.5.3 Detection criteria
627 33.2.5.4 Rejection criteria
33.2.5.5 Open circuit criteria
33.2.6 PSE classification of PDs and mutual identification
629 33.2.6.1 PSE 1-Event Physical Layer classification
630 33.2.6.2 PSE 2-Event Physical Layer classification
632 33.2.7 Power supply output
633 33.2.7.1 Output voltage in the POWER_ON state
33.2.7.2 Voltage transients
634 33.2.7.3 Power feeding ripple and noise
33.2.7.4 Continuous output current capability in the POWER_ON state
33.2.7.5 Output current in POWER_UP mode
635 33.2.7.6 Overload current
33.2.7.7 Output current—at short circuit condition
637 33.2.7.8 Turn off time
33.2.7.9 Turn off voltage
33.2.7.10 Continuous output power capability in POWER_ON state
33.2.7.11 Current unbalance
638 33.2.7.12 Power turn on time
33.2.7.13 PSE stability
33.2.8 Power supply allocation
33.2.9 PSE power removal
33.2.9.1 PSE Maintain Power Signature (MPS) requirements
33.2.9.1.1 PSE AC MPS component requirements
639 33.2.9.1.2 PSE DC MPS component requirements
640 33.3 Powered devices (PDs)
33.3.1 PD PI
641 33.3.2 PD type descriptions
33.3.3 PD state diagram
33.3.3.1 Conventions
642 33.3.3.2 Constants
33.3.3.3 Variables
643 33.3.3.4 Timers
644 33.3.3.5 State diagrams
645 33.3.4 PD valid and non-valid detection signatures
646 33.3.5 PD classifications
647 33.3.5.1 PD 1-Event class signature
33.3.5.2 PD 2-Event class signature
648 33.3.5.2.1 Mark Event behavior
33.3.6 PSE Type identification
649 33.3.7 PD power
650 33.3.7.1 Input voltage
33.3.7.2 Input average power
33.3.7.2.1 System stability test conditions during startup and steady state operation
651 33.3.7.3 Input inrush current
33.3.7.4 Peak operating power
652 33.3.7.5 Peak transient current
653 33.3.7.6 PD behavior during transients at the PSE PI
33.3.7.7 Ripple and noise
654 33.3.7.8 PD classification stability time
33.3.7.9 Backfeed voltage
33.3.8 PD Maintain Power Signature
33.4 Additional electrical specifications
655 33.4.1 Isolation
33.4.1.1 Electrical isolation environments
33.4.1.1.1 Environment A requirements
33.4.1.1.2 Environment B requirements
656 33.4.2 Fault tolerance
33.4.3 Impedance balance
657 33.4.4 Common-mode output voltage
659 33.4.5 Pair-to-pair output noise voltage
660 33.4.6 Differential noise voltage
33.4.7 Return loss
33.4.8 100BASE-TX transformer droop
661 33.4.9 Midspan PSE device additional requirements
663 33.4.9.1 “Connector” or “telecom outlet” Midspan PSE device transmission requirements
33.4.9.1.1 Near End Crosstalk (NEXT)
33.4.9.1.2 Insertion loss
33.4.9.1.3 Return loss
664 33.4.9.1.4 Work area or equipment cable Midspan PSE
33.4.9.2 Midspan signal path requirements
33.4.9.2.1 Alternative A Midspan PSE signal path transfer function
665 33.5 Management function requirements
33.5.1 PSE registers
33.5.1.1 PSE Control register (Register 11) (R/W)
666 33.5.1.1.1 Reserved bits (11.15:6)
33.5.1.1.2 Data Link Layer Classification capability (11.5)
33.5.1.1.3 Enable Physical Layer classification (11.4)
667 33.5.1.1.4 Pair Control (11.3:2)
33.5.1.1.5 PSE enable (11.1:0)
33.5.1.2 PSE Status register (Register 12) (R/W)
668 33.5.1.2.1 PSE Type electrical parameters (12.15)
33.5.1.2.2 Data Link Layer Classification Enabled (12.14)
669 33.5.1.2.3 Physical Layer Classification Supported (12.13)
33.5.1.2.4 Power Denied or Removed (12.12)
33.5.1.2.5 Valid Signature (12.11)
33.5.1.2.6 Invalid Signature (12.10)
33.5.1.2.7 Short Circuit (12.9)
33.5.1.2.8 Overload (12.8)
33.5.1.2.9 MPS Absent (12.7)
33.5.1.2.10 PD Class (12.6:4)
670 33.5.1.2.11 PSE Status (12.3:1)
33.5.1.2.12 Pair Control Ability (12.0)
33.6 Data Link Layer classification
33.6.1 TLV frame definition
33.6.2 Data Link Layer classification timing requirements
671 33.6.3 Power control state diagrams
33.6.3.1 Conventions
33.6.3.2 Constants
672 33.6.3.3 Variables
673 33.6.3.4 Functions
675 33.6.3.5 State diagrams
676 33.6.4 State change procedure across a link
677 33.6.4.1 PSE state change procedure across a link
33.6.4.2 PD state change procedure across a link
678 33.7 Environmental
33.7.1 General safety
33.7.2 Network safety
33.7.3 Installation and maintenance guidelines
33.7.4 Patch panel considerations
33.7.5 Telephony voltages
679 33.7.6 Electromagnetic emissions
33.7.7 Temperature and humidity
33.7.8 Labeling
680 33.8 Protocol implementation conformance statement (PICS) proforma for Clause 33, DTE Power via MDI
33.8.1 Introduction
33.8.2 Identification
33.8.2.1 Implementation identification
33.8.2.2 Protocol summary
681 33.8.2.3 PD Major capabilities/options
682 33.8.2.4 PSE Major capabilities/options
683 33.8.3 PICS proforma tables for DTE Power via MDI
33.8.3.1 Common device features
33.8.3.2 Power sourcing equipment
688 33.8.3.3 Powered devices
691 33.8.3.4 Electrical specifications applicable to the PSE and PD
692 33.8.3.5 Electrical specifications applicable to the PSE
693 33.8.3.6 Electrical specifications applicable to the PD
694 33.8.3.7 Management function requirements
697 33.8.3.8 Data Link Layer classification requirements
698 33.8.3.9 Environmental specifications applicable to PSEs and PDs
33.8.3.10 Environmental specifications applicable to the PSE
699 Annex 22A (informative) MII output delay, setup, and hold time budget
22A.1 System model
700 22A.2 Signal transmission path characteristics
701 22A.3 Budget calculation
703 Annex 22B (informative) MII driver ac characteristics
22B.1 Implications of CMOS ASIC processes
704 22B.2 Ro(min) and V, I values for operation from 5 V ± 10% supply
22B.3 Ro(min) and V, I values for operation from 3.3 V ± 0.3 V supply
705 Annex 22C
Measurement techniques for MII signal timing characteristics
22C.1 Measuring timing characteristics of source terminated signals
22C.2 Measuring timing characteristics of transmit signals at the MII
22C.3 Measuring timing characteristics of receive signals at the MII
706 22C.4 Measuring timing characteristics of MDIO
707 Annex 22D (informative) Clause 22 access to Clause 45 MMD registers
22D.1 Write operation
22D.2 Read operation
22D.3 MMD address operations
22D.3.1 Address
708 22D.3.2 Data, no post increment
22D.3.3 Data, post increment on reads and writes
22D.3.4 Data, post increment on writes only
22D.4 PHY Coexistence and bus conflict avoidance
709 Annex 23A (normative) 6T codewords
711 Annex 23B (informative) Noise budget
712 Annex 23C (informative) Use of cabling systems with a nominal differential characteristic impedance of 120 Ω
713 Annex 27A (normative) Repeater delay consistency requirements
714 Annex 28A (normative) Selector Field definitions
715 Annex 28B (normative) IEEE 802.3 Selector Base Page definition
28B.1 Selector field value
28B.2 Technology Ability Field bit assignments
716 28B.3 Priority resolution
717 28B.4 Message Page transmission convention
718 Annex 28C (normative) Next Page Message Code field definitions
719 28C.1 Message code 0—Auto-Negotiation reserved code 1
28C.2 Message code 1—Null Message code
28C.3 Message code 2—Technology Ability extension code 1
28C.4 Message code 3—Technology Ability extension code 2
720 28C.5 Message code 4—Remote fault number code
28C.6 Message code 5—Organizationally Unique Identifier (OUI) tag code
721 28C.7 Message code 6—PHY identifier tag code
28C.8 Message code 2047—Auto-Negotiation reserved code 2
28C.9 Message code 7—100BASE-T2 technology message code
28C.10 Message code 8—1000BASE-T technology message code
28C.11 Message code 9—10GBASE-T and 1000BASE-T technology message code
28C.12 Message code 10—EEE technology message code
722 28C.13 Message code 11—Organizationally Unique Identifier Tagged Message (Extended Next Page)
723 Annex 28D (normative) Description of extensions to Clause 28 and associated annexes
28D.1 Introduction
28D.2 Extensions to Clause 28
28D.2.1 Extensions required for Clause 31 (full duplex)
28D.2.2 Extensions required for Clause 32 (100BASE-T2)
28D.3 Extensions for Clause 31
724 28D.4 Extensions for Clause 32 (100BASE-T2)
28D.5 Extensions required for Clause 40 (1000BASE-T)
725 28D.6 Extensions required for Clause 55 (10GBASE-T)
28D.7 Extensions required for Energy-Efficient Ethernet (Clause 78)
726 Annex 29A (informative) DTE and repeater delay components
29A.1 DTE delay
29A.2 Repeater delay
727 Annex 29B (informative) Recommended topology documentation
728 Annex 30A (normative) GDMO specification for IEEE 802.3 managed object classes
729 Annex 30B (normative) GDMO and ASN.1 definitions for management
730 Annex 30C (normative) SNMP MIB definitions for Link Aggregation
731 Annex 31A (normative) MAC Control opcode assignments
736 Annex 31B (normative) MAC Control PAUSE operation
31B.1 PAUSE description
31B.2 Parameter semantics
737 31B.3 Detailed specification of PAUSE operation
31B.3.1 Transmit operation
31B.3.2 Transmit state diagram for PAUSE operation
31B.3.2.1 Constants
31B.3.2.2 Variables
738 31B.3.2.3 Functions
31B.3.2.4 Timers
31B.3.2.5 Messages
31B.3.2.6 Transmit state diagram for PAUSE operation
31B.3.3 Receive operation
740 31B.3.4 Receive state diagram for PAUSE operation
31B.3.4.1 Constants
31B.3.4.2 Variables
31B.3.4.3 Timers
741 31B.3.4.4 Receive state diagram (INITIATE MAC CONTROL FUNCTION) for PAUSE operation
31B.3.5 Status indication operation
31B.3.6 Indication state diagram for pause operation
31B.3.6.1 Constants
31B.3.6.2 Variables
742 31B.3.6.3 Messages
31B.3.6.4 Indication state diagram for PAUSE operation
31B.3.7 Timing considerations for PAUSE operation
744 31B.4 Protocol implementation conformance statement (PICS) proforma for MAC Control PAUSE operation
31B.4.1 Introduction
31B.4.2 Identification
31B.4.2.1 Implementation identification
31B.4.2.2 Protocol summary
745 31B.4.3 Major capabilities/options
31B.4.4 PAUSE command requirements
31B.4.5 PAUSE command state diagram requirements
746 31B.4.6 PAUSE command MAC timing considerations
747 Annex 31C (normative) MAC Control organization specific extension operation
31C.1 Organization specific extension description
31C.2 Transmission of Extension MAC Control frame
31C.3 Receive operation
748 31C.3.1 Receive state diagram (INITIATE MAC CONTROL FUNCTION) for EXTENSION operation
749 31C.4 Protocol implementation conformance statement (PICS) proforma for MAC Control organization specific extension operation
31C.4.1 Introduction
31C.4.2 Identification
31C.4.2.1 Implementation identification
31C.4.2.2 Protocol summary
31C.4.3 EXTENSION command state diagram requirements
750 Annex 31D (normative) MAC Control PFC operation
31D.1 PFC description
31D.2 Parameter semantics
751 31D.3 PFC transmit
752 31D.4 Transmit state diagram for PFC operation
31D.4.1 Constants
753 31D.4.2 Variables
31D.4.3 Messages
31D.4.4 Transmit state diagram for PFC operation
31D.5 PFC receive
31D.6 Receive state diagram for PFC operation
754 31D.6.1 Constants
31D.6.2 Variables
755 31D.6.3 Receive state diagram (INITIATE MAC CONTROL FUNCTION) for PFC operation
756 31D.7 Protocol implementation conformance statement (PICS) proforma for MAC Control PFC operation
31D.7.1 Introduction
31D.7.2 Identification
31D.7.2.1 Implementation identification
31D.7.2.2 Protocol summary
757 31D.7.3 Major capabilities/options
31D.7.4 PFC command requirements
31D.7.5 PFC command state diagram requirements
758 Annex 32A (informative) Use of cabling systems with nominal differential characteristic impedance of 120 Ω or 150 Ω
759 Annex 33A (informative) PSE-PD stability
33A.1 Recommended PSE design guidelines and test setup
761 33A.2 Recommended PD design guidelines
IEEE 802.3-2015
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