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IEEE 802.3-2015

IEEE 802.3-2015

$522.71

IEEE Standard for Ethernet

Published By Publication Date Number of Pages
IEEE 2015
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Revision Standard – Superseded.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 Std 802.3™-2015 Front cover
2 Title page
4 Important Notices and Disclaimers Concerning IEEE Standard Documents
7 Participants
22 Introduction
24 List of special symbols
25 Contents
55 IMPORTANT NOTICES
1. Introduction
1.1 Overview
1.1.1 Scope
56 1.1.2 Basic concepts
1.1.2.1 Half duplex operation
1.1.2.2 Full duplex operation
1.1.3 Architectural perspectives
57 1.1.3.1 Architectural rationale
1.1.3.2 Compatibility interfaces
60 1.1.4 Layer interfaces
1.1.5 Application areas
1.2 Notation
1.2.1 State diagram conventions
61 1.2.2 Service specification method and notation
62 1.2.2.1 Classification of service primitives
1.2.3 Physical Layer and media notation
63 1.2.4 Physical Layer message notation
1.2.5 Hexadecimal notation
1.2.6 Accuracy and resolution of numerical quantities
1.3 Normative references
70 1.4 Definitions
99 1.5 Abbreviations
105 2. Media Access Control (MAC) service specification
2.1 Scope and field of application
2.2 Overview of the service
2.2.1 General description of services provided by the layer
2.2.2 Model used for the service specification
2.2.3 Overview of interactions
106 2.2.4 Basic services
2.3 Detailed service specification
2.3.1 MA_DATA.request
2.3.1.1 Function
2.3.1.2 Semantics of the service primitive
2.3.1.3 When generated
2.3.1.4 Effect of receipt
2.3.1.5 Additional comments
107 2.3.2 MA_DATA.indication
2.3.2.1 Function
2.3.2.2 Semantics of the service primitive
2.3.2.3 When generated
108 2.3.2.4 Effect of receipt
2.3.2.5 Additional comments
109 3. Media Access Control (MAC) frame and packet specifications
3.1 Overview
3.1.1 Packet format
110 3.1.2 Service interface mappings
3.2 Elements of the MAC frame and packet
3.2.1 Preamble field
3.2.2 Start Frame Delimiter (SFD) field
3.2.3 Address fields
111 3.2.3.1 Address designation
3.2.4 Destination Address field
112 3.2.5 Source Address field
3.2.6 Length/Type field
3.2.7 MAC Client Data field
113 3.2.8 Pad field
3.2.9 Frame Check Sequence (FCS) field
3.2.10 Extension field
114 3.3 Order of bit transmission
3.4 Invalid MAC frame
115 4. Media Access Control
4.1 Functional model of the MAC method
4.1.1 Overview
116 4.1.2 CSMA/CD operation
4.1.2.1 Normal operation
4.1.2.1.1 Transmission without contention
117 4.1.2.1.2 Reception without contention
4.1.2.2 Access interference and recovery
118 4.1.3 Relationships to the MAC client and Physical Layers
4.2 CSMA/CD Media Access Control (MAC) method: Precise specification
4.2.1 Introduction
4.2.2 Overview of the procedural model
119 4.2.2.1 Ground rules for the procedural model
4.2.2.2 Use of Pascal in the procedural model
120 4.2.2.3 Organization of the procedural model
4.2.2.4 Layer management extensions to procedural model
4.2.3 Packet transmission model
121 4.2.3.1 Transmit data encapsulation
126 4.2.3.2 Transmit media access management
4.2.3.2.1 Deference
4.2.3.2.2 Interpacket gap
127 4.2.3.2.3 Collision handling (half duplex mode only)
4.2.3.2.4 Collision detection and enforcement (half duplex mode only)
4.2.3.2.5 Collision backoff and retransmission (half duplex mode only)
128 4.2.3.2.6 Full duplex transmission
4.2.3.2.7 Packet bursting (half duplex mode only)
4.2.3.3 Minimum frame size
129 4.2.3.4 Carrier extension (half duplex mode only)
4.2.4 Frame reception model
4.2.4.1 Receive data decapsulation
4.2.4.1.1 Address recognition
130 4.2.4.1.2 Frame check sequence validation
4.2.4.1.3 Frame disassembly
4.2.4.2 Receive media access management
4.2.4.2.1 Framing
4.2.4.2.2 Collision filtering
131 4.2.5 Preamble generation
4.2.6 Start frame sequence
4.2.7 Global declarations
4.2.7.1 Common constants, types, and variables
133 4.2.7.2 Transmit state variables
134 4.2.7.3 Receive state variables
4.2.7.4 State variable initialization
135 4.2.8 Frame transmission
142 4.2.9 Frame reception
145 4.2.10 Common procedures
146 4.3 Interfaces to/from adjacent layers
4.3.1 Overview
4.3.2 MAC service
4.3.2.1 MAC client transmit interface state diagram
4.3.2.1.1 Variables
147 4.3.2.1.2 Functions
4.3.2.1.3 Messages
4.3.2.1.4 MAC client transmit interface state diagram
148 4.3.2.2 MAC client receive interface state diagram
4.3.2.2.1 Variables
4.3.2.2.2 Functions
4.3.2.2.3 Messages
149 4.3.2.2.4 MAC client receive interface state diagram
4.3.3 Services required from the Physical Layer
151 4.4 Specific implementations
4.4.1 Compatibility overview
152 4.4.2 MAC parameters
153 4.4.3 Configuration guidelines
154 5. Layer Management
5.1 Introduction
5.1.1 Systems Management overview
5.1.2 Layer Management model
155 5.1.3 Packages
5.1.4 Conformance requirements
5.2 Management facilities
5.2.1 Introduction
5.2.2 DTE MAC Sublayer Management facilities
157 5.2.2.1 DTE MAC sublayer attributes
5.2.2.1.1 aMACID
5.2.2.1.2 aFramesTransmittedOK
5.2.2.1.3 aSingleCollisionFrames
5.2.2.1.4 aMultipleCollisionFrames
158 5.2.2.1.5 aFramesReceivedOK
5.2.2.1.6 aFrameCheckSequenceErrors
5.2.2.1.7 aAlignmentErrors
5.2.2.1.8 aOctetsTransmittedOK
159 5.2.2.1.9 aFramesWithDeferredXmissions
5.2.2.1.10 aLateCollisions
5.2.2.1.11 aFramesAbortedDueToXSColls
5.2.2.1.12 aFramesLostDueToIntMACXmitError
160 5.2.2.1.13 aCarrierSenseErrors
5.2.2.1.14 aOctetsReceivedOK
5.2.2.1.15 aFramesLostDueToIntMACRcvError
5.2.2.1.16 aPromiscuousStatus
161 5.2.2.1.17 aReadMulticastAddressList
5.2.2.1.18 aMulticastFramesXmittedOK
5.2.2.1.19 aBroadcastFramesXmittedOK
5.2.2.1.20 aFramesWithExcessiveDeferral
162 5.2.2.1.21 aMulticastFramesReceivedOK
5.2.2.1.22 aBroadcastFramesReceivedOK
5.2.2.1.23 aInRangeLengthErrors
5.2.2.1.24 aOutOfRangeLengthField
163 5.2.2.1.25 aFrameTooLongErrors
5.2.2.1.26 aMACEnableStatus
5.2.2.1.27 aTransmitEnableStatus
5.2.2.1.28 aMulticastReceiveStatus
164 5.2.2.1.29 aReadWriteMACAddress
5.2.2.1.30 aCollisionFrames
5.2.2.2 DTE MAC Sublayer actions
5.2.2.2.1 acInitializeMAC
5.2.2.2.2 acAddGroupAddress
165 5.2.2.2.3 acDeleteGroupAddress
5.2.2.2.4 acExecuteSelfTest
5.2.2.3 ResourceTypeID Managed Object Class
5.2.2.3.1 ResourceTypeID
5.2.3 DTE Physical Sublayer Management facilities
5.2.3.1 DTE Physical Sublayer attributes
5.2.3.1.1 aPHYID
5.2.3.1.2 aSQETestErrors
166 5.2.4 DTE Management procedural model
5.2.4.1 Common constants and types
5.2.4.2 Transmit variables and procedures
168 5.2.4.3 Receive variables and procedures
170 5.2.4.4 Common procedures
171 6. Physical Signaling (PLS) service specifications
6.1 Scope and field of application
6.2 Overview of the service
6.2.1 General description of services provided by the layer
6.2.2 Model used for the service specification
6.2.3 Overview of interactions
172 6.2.4 Basic services and options
6.3 Detailed service specification
6.3.1 Peer-to-peer service primitives
6.3.1.1 PLS_DATA.request
6.3.1.1.1 Function
6.3.1.1.2 Semantics of the service primitive
6.3.1.1.3 When generated
6.3.1.1.4 Effect of receipt
173 6.3.1.2 PLS_DATA.indication
6.3.1.2.1 Function
6.3.1.2.2 Semantics of the service primitive
6.3.1.2.3 When generated
6.3.1.2.4 Effect of receipt
6.3.2 Sublayer-to-sublayer service primitives
6.3.2.1 PLS_CARRIER.indication
6.3.2.1.1 Function
6.3.2.1.2 Semantics of the service primitive
6.3.2.1.3 When generated
6.3.2.1.4 Effect of receipt
174 6.3.2.2 PLS_SIGNAL.indication
6.3.2.2.1 Function
6.3.2.2.2 Semantics of the service primitive
6.3.2.2.3 When generated
6.3.2.2.4 Effect of receipt
6.3.2.3 PLS_DATA_VALID.indication
6.3.2.3.1 Function
6.3.2.3.2 Semantics of the service primitive
6.3.2.3.3 When generated
6.3.2.3.4 Effect of receipt
175 7. Physical Signaling (PLS) and Attachment Unit Interface (AUI) specifications
7.1 Scope
7.1.1 Definitions
7.1.2 Summary of major concepts
176 7.1.3 Application
7.1.4 Modes of operation
7.1.5 Allocation of function
7.2 Functional specification
7.2.1 PLS–PMA (DTE–MAU) Interface protocol
177 7.2.1.1 PLS to PMA messages
7.2.1.1.1 output message
178 7.2.1.1.2 output_idle message
7.2.1.1.3 normal message
7.2.1.1.4 isolate message (optional)
7.2.1.1.5 mau_request message (optional)
180 7.2.1.2 PMA to PLS interface
7.2.1.2.1 input message
182 7.2.1.2.2 input_idle message
7.2.1.2.3 signal_quality_error message
7.2.1.2.4 mau_available message
7.2.1.2.5 mau_not_available message (optional)
183 7.2.2 PLS interface to MAC and management entities
7.2.2.1 PLS–MAC interface
7.2.2.1.1 OUTPUT_UNIT
7.2.2.1.2 OUTPUT_STATUS
7.2.2.1.3 INPUT_UNIT
7.2.2.1.4 CARRIER_STATUS
184 7.2.2.1.5 SIGNAL_STATUS
7.2.2.1.6 DATA_VALID_STATUS
7.2.2.2 PLS–management entity interface
7.2.2.2.1 RESET_REQUEST
185 7.2.2.2.2 RESET_RESPONSE
7.2.2.2.3 MODE_CONTROL
7.2.2.2.4 SQE_TEST
7.2.3 Frame structure
186 7.2.3.1 Silence
7.2.3.2 Preamble
7.2.3.3 Start of Frame Delimiter (SFD)
7.2.3.4 Data
7.2.3.5 End of transmission delimiter
7.2.4 PLS functions
187 7.2.4.1 Reset and Identify function
7.2.4.2 Mode function
188 7.2.4.3 Output function
7.2.4.4 Input function
7.2.4.5 Error Sense function
189 7.2.4.6 Carrier Sense function
7.3 Signal characteristics
7.3.1 Signal encoding
7.3.1.1 Data encoding
193 7.3.1.2 Control encoding
194 7.3.2 Signaling rate
7.3.3 Signaling levels
7.4 Electrical characteristics
7.4.1 Driver characteristics
7.4.1.1 Differential output voltage, loaded
196 7.4.1.2 Requirements after idle
7.4.1.3 AC common-mode output voltage
7.4.1.4 Differential output voltage, open circuit
7.4.1.5 DC common-mode output voltage
197 7.4.1.6 Fault tolerance
7.4.2 Receiver characteristics
7.4.2.1 Receiver threshold levels
198 7.4.2.2 AC differential input impedance
7.4.2.3 AC common-mode range
7.4.2.4 Total common-mode range
199 7.4.2.5 Idle input behavior
7.4.2.6 Fault tolerance
7.4.3 AUI cable characteristics
200 7.4.3.1 Conductor size
7.4.3.2 Pair-to-pair balanced crosstalk
7.4.3.3 Differential characteristic impedance
7.4.3.4 Transfer impedance
7.4.3.5 Attenuation
7.4.3.6 Timing jitter
7.4.3.7 Delay
201 7.5 Functional description of interchange circuits
7.5.1 General
7.5.2 Definition of interchange circuits
202 7.5.2.1 Circuit DO–Data Out
7.5.2.2 Circuit DI–Data In
7.5.2.3 Circuit CO–Control Out (optional)
7.5.2.4 Circuit CI–Control In
203 7.5.2.5 Circuit VP–Voltage Plus
7.5.2.6 Circuit VC–Voltage Common
7.5.2.7 Circuit PG–Protective Ground
7.5.2.8 Circuit shield terminations
7.6 Mechanical characteristics
7.6.1 Definition of mechanical interface
7.6.2 Line interface connector
204 7.6.3 Contact assignments
207 8. Medium Attachment Unit and baseband medium specifications, type 10BASE5
8.1 Scope
8.1.1 Overview
8.1.1.1 Medium Attachment Unit
208 8.1.1.2 Repeater unit
8.1.2 Definitions
8.1.3 Application perspective: MAU and MEDIUM objectives
8.1.3.1 Object
8.1.3.2 Compatibility considerations
209 8.1.3.3 Relationship to PLS and AU interface
8.1.3.4 Modes of operation
8.2 MAU functional specifications
8.2.1 MAU Physical Layer functions
8.2.1.1 Transmit function requirements
210 8.2.1.2 Receive function requirements
211 8.2.1.3 Collision Presence function requirements
8.2.1.4 Monitor function requirements (optional)
212 8.2.1.5 Jabber function requirements
8.2.2 MAU interface messages
8.2.2.1 DTE Physical Layer to MAU Physical Layer messages
213 8.2.2.2 MAU Physical Layer to DTE Physical Layer
8.2.2.2.1 input message
8.2.2.2.2 input_idle message
8.2.2.2.3 mau_available message
8.2.2.2.4 signal_quality_error message
214 8.2.3 MAU state diagrams
8.3 MAU–medium electrical characteristics
8.3.1 MAU-to-coaxial cable interface
8.3.1.1 Input impedance
215 8.3.1.2 Bias current
8.3.1.3 Coaxial cable signaling levels
221 8.3.1.4 Transmit output levels symmetry
8.3.1.5 Collision detect thresholds
8.3.2 MAU electrical characteristics
8.3.2.1 Electrical isolation
222 8.3.2.2 Power consumption
8.3.2.3 Reliability
8.3.3 MAU–DTE electrical characteristics
8.3.4 MAU–DTE mechanical connection
8.4 Characteristics of the coaxial cable
8.4.1 Coaxial cable electrical parameters
8.4.1.1 Characteristic impedance
8.4.1.2 Attenuation
223 8.4.1.3 Velocity of propagation
8.4.1.4 Edge jitter, untapped cable
8.4.1.5 Transfer impedance
8.4.1.6 Cable dc loop resistance
224 8.4.2 Coaxial cable properties
8.4.2.1 Mechanical requirements
8.4.2.1.1 General construction
8.4.2.1.2 Center conductor
8.4.2.1.3 Dielectric material
8.4.2.1.4 Shielding system
8.4.2.1.5 Overall jacket
225 8.4.2.2 Jacket marking
8.4.3 Total segment dc loop resistance
8.5 Coaxial trunk cable connectors
8.5.1 Inline coaxial extension connector
226 8.5.2 Coaxial cable terminator
8.5.2.1 Termination
8.5.2.2 Earthing
8.5.3 MAU-to-coaxial cable connection
8.5.3.1 Electrical requirements
227 8.5.3.2 Mechanical requirements
8.5.3.2.1 Connector housing
8.5.3.2.2 Contact reliability
228 8.5.3.2.3 Shield probe characteristics
8.6 System considerations
8.6.1 Transmission system model
229 8.6.2 Transmission system requirements
8.6.2.1 Cable sectioning
8.6.2.2 MAU placement
8.6.2.3 Trunk cable system grounding
230 8.6.3 Labeling
8.7 Environmental specifications
8.7.1 General safety requirements
8.7.2 Network safety requirements
8.7.2.1 Installations
231 8.7.2.2 Grounding
8.7.2.3 Safety
8.7.2.4 Breakdown path
8.7.2.5 Isolation boundary
8.7.2.6 Installation and maintenance guidelines
232 8.7.3 Electromagnetic environment
8.7.3.1 Susceptibility levels
8.7.3.2 Emission levels
8.7.4 Temperature and humidity
8.7.5 Regulatory requirements
233 8.8 Protocol implementation conformance statement (PICS) proforma for Clause 8, Medium Attachment Unit and baseband medium specifications, type 10BASE5
8.8.1 Overview
8.8.2 Abbreviations and special symbols
8.8.2.1 Status symbols
8.8.2.2 Abbreviations
8.8.3 Instructions for completing the PICS proforma
8.8.3.1 General structure of the PICS proforma
234 8.8.3.2 Additional information
8.8.3.3 Exception information
8.8.3.4 Conditional items
235 8.8.4 Identification
8.8.4.1 Implementation identification
8.8.4.2 Protocol summary
8.8.5 Global statement of conformance
236 8.8.6 PICS proforma tables for MAU
8.8.6.1 MAU compatibility
8.8.6.2 Transmit function
237 8.8.6.3 Receive function
238 8.8.6.4 Collision function
8.8.6.5 Monitor function
239 8.8.6.6 Jabber function
240 8.8.6.7 MAU to coaxial cable interface
241 8.8.6.8 MAU electrical characteristics
8.8.6.9 MAU-DTE requirements
242 8.8.6.10 MAU to coaxial cable connection
8.8.6.11 Safety requirements
243 8.8.7 PICS proforma tables for MAU AUI characteristics
8.8.7.1 Signal characteristics
8.8.7.2 DI and CI driver characteristics
244 8.8.7.3 DO receiver characteristics
245 8.8.7.4 CO receiver characteristics
8.8.7.5 Circuit termination
246 8.8.7.6 Mechanical characteristics
247 8.8.8 PICS proforma tables for 10BASE5 coaxial cable
8.8.8.1 10BASE5 coaxial cable characteristics
249 9. Repeater unit for 10 Mb/s baseband networks
9.1 Overview
250 9.2 References
9.3 Definitions
9.4 Compatibility interface
9.4.1 AUI compatibility
9.4.2 Mixing segment compatibility
9.4.2.1 Direct coaxial cable attachment compatibility
9.4.2.2 “N” connector compatibility
9.4.2.3 BNC compatibility
9.4.2.4 BFOC/2.5 (10BASE-FP) compatibility
251 9.4.3 Link segment compatibility
9.4.3.1 Vendor-dependent IRL
9.4.3.2 Fiber optic FOIRL compatibility
9.4.3.3 Twisted-pair jack compatibility
9.4.3.4 Fiber optic 10BASE-FB and 10BASE-FL compatibility
9.5 Basic functions
9.5.1 Repeater set network properties
9.5.2 Signal amplification
9.5.3 Signal symmetry
252 9.5.4 Signal retiming
9.5.5 Data handling
9.5.5.1 Start-of-packet propagation delays
9.5.5.2 Start-of-packet variability
253 9.5.6 Collision handling
9.5.6.1 Collision presence
9.5.6.2 Jam generation
9.5.6.3 Collision-jam propagation delays
254 9.5.6.4 Transmit recovery time
9.5.6.5 Carrier recovery time
9.5.7 Electrical isolation
255 9.6 Detailed repeater functions and state diagrams
9.6.1 State diagram notation
258 9.6.2 Data and collision handling
9.6.3 Preamble regeneration
9.6.4 Fragment extension
259 9.6.5 MAU Jabber Lockup Protection
9.6.6 Auto-Partitioning/Reconnection (optional)
9.6.6.1 Overview
9.6.6.2 Detailed auto-partition/reconnection algorithm state diagram
262 9.7 Electrical isolation
9.7.1 Environment A requirements
9.7.2 Environment B requirements
9.8 Reliability
263 9.9 Medium attachment unit and baseband medium specification for a vendor- independent FOIRL
9.9.1 Scope
9.9.1.1 Overview
265 9.9.1.2 Application perspective: FOMAU and medium objectives
9.9.1.3 Compatibility considerations
9.9.1.4 Relationship to AUI
9.9.1.5 Mode of operation
9.9.2 FOMAU functional specifications
266 9.9.2.1 Transmit function requirements
267 9.9.2.2 Receive function requirements
9.9.2.3 Collision Presence function requirements
268 9.9.2.4 Jabber function requirements
9.9.2.5 Low Light Level Detection function requirements
269 9.9.2.6 Repeater Unit to FOMAU Physical Layer messages
9.9.2.7 FOMAU Physical Layer to repeater unit messages
9.9.2.7.1 input message
9.9.2.7.2 input_idle message
9.9.2.7.3 fomau_available message
9.9.2.7.4 signal_quality_error message
270 9.9.2.8 FOMAU state diagrams
271 9.9.3 FOMAU electrical characteristics
9.9.3.1 Electrical isolation
9.9.3.2 Power consumption
272 9.9.3.3 Reliability
9.9.3.4 FOMAU/Repeater unit electrical characteristics
9.9.3.5 FOMAU/Repeater unit mechanical connection
9.9.4 FOMAU/Optical medium interface
9.9.4.1 Transmit optical parameters
9.9.4.1.1 Wavelength
9.9.4.1.2 Spectral width
9.9.4.1.3 Optical modulation
9.9.4.1.4 Optical idle signal
9.9.4.1.5 Transmit optical logic polarity
274 9.9.4.1.6 Optical rise and fall times
9.9.4.1.7 Transmit optical pulse edge jitter
275 9.9.4.1.8 Peak coupled optical power
9.9.4.2 Receive optical parameters
9.9.4.2.1 Receive peak optical power range
9.9.4.2.2 Receive optical pulse edge jitter
9.9.4.2.3 Receive optical logic polarity
9.9.5 Characteristics of the optical fiber cable link segment
276 9.9.5.1 Optical fiber medium
9.9.5.2 Optical medium connector plug and socket
9.9.6 System requirements
9.9.6.1 Optical transmission system considerations
277 9.9.6.2 Timing considerations
278 9.9.7 Environmental specifications
9.9.7.1 Safety requirements
9.9.7.1.1 Electrical safety
9.9.7.1.2 Optical source safety
9.9.7.2 Electromagnetic environment
9.9.7.2.1 Susceptibility levels
9.9.7.2.2 Emission levels
279 9.9.7.3 Temperature and humidity
280 10. Medium attachment unit and baseband medium specifications, type 10BASE2
10.1 Scope
10.1.1 Overview
281 10.1.1.1 Medium attachment unit (normally contained within the data terminal equipment [DTE])
10.1.1.2 Repeater unit
10.1.2 Definitions
10.1.3 Application perspective: MAU and medium objectives
10.1.3.1 Object
282 10.1.3.2 Compatibility considerations
10.1.3.3 Relationship to PLS and AUI
10.1.3.4 Mode of operation
10.2 References
10.3 MAU functional specifications
283 10.3.1 MAU Physical Layer functional requirements
10.3.1.1 Transmit function requirements
284 10.3.1.2 Receive function requirements
10.3.1.3 Collision Presence function requirements
285 10.3.1.4 Jabber functional requirements
10.3.2 MAU interface messages
10.3.2.1 DTE to MAU messages
10.3.2.2 MAU to DTE messages
287 10.3.2.2.1 input message
10.3.2.2.2 input_idle message
10.3.2.2.3 mau_available message
10.3.2.2.4 signal_quality_error (SQE) message
10.3.3 MAU state diagrams
288 10.4 MAU–medium electrical characteristics
10.4.1 MAU-to-coaxial cable interface
10.4.1.1 Input impedance
10.4.1.2 Bias current
10.4.1.3 Coaxial cable signaling levels
290 10.4.1.4 Transmit output levels symmetry
10.4.1.5 Collision detect thresholds
10.4.2 MAU electrical characteristics
10.4.2.1 Electrical isolation
10.4.2.2 Power consumption
291 10.4.2.3 Reliability
10.4.3 MAU–DTE electrical characteristics
10.5 Characteristics of coaxial cable system
10.5.1 Coaxial cable electrical parameters
10.5.1.1 Characteristic impedance
10.5.1.2 Attenuation
10.5.1.3 Velocity of propagation
10.5.1.4 Edge jitter; entire segment without DTEs attached
292 10.5.1.5 Transfer impedance
10.5.1.6 Cable dc loop resistance
10.5.2 Coaxial cable physical parameters
10.5.2.1 Mechanical requirements
293 10.5.2.1.1 General construction
10.5.2.1.2 Center conductor
10.5.2.1.3 Dielectric material
10.5.2.1.4 Shielding system
10.5.2.1.5 Overall jacket
10.5.2.2 Jacket marking
10.5.3 Total segment dc loop resistance
294 10.6 Coaxial trunk cable connectors
10.6.1 In-line coaxial extension connector
295 10.6.2 Coaxial cable terminator
10.6.3 MAU-to-coaxial cable connection
10.7 System considerations
10.7.1 Transmission system model
297 10.7.2 Transmission system requirements
10.7.2.1 Cable sectioning
10.7.2.2 MAU placement
10.7.2.3 Trunk cable system earthing
10.7.2.4 Static discharge path
10.7.2.4.1 Installation environment
298 10.8 Environmental specifications
10.8.1 Safety requirements
10.8.1.1 Installations
10.8.1.2 Earthing
10.8.2 Electromagnetic environment
10.8.2.1 Susceptibility levels
10.8.2.2 Emission levels
10.8.3 Regulatory requirements
299 11. Broadband medium attachment unit and broadband medium specifications, type 10BROAD36
11.1 Scope
11.1.1 Overview
301 11.1.2 Definitions
11.1.3 MAU and medium objectives
302 11.1.4 Compatibility considerations
11.1.5 Relationship to PLS and AUI
11.1.6 Mode of operation
11.2 MAU functional specifications
11.2.1 MAU functional requirements
11.2.1.1 Transmit function requirements
303 11.2.1.2 Receive function requirements
11.2.1.3 Collision Detection function requirements
304 11.2.1.3.1 Collision enforcement transmitter requirements
11.2.1.3.2 Collision enforcement detection requirements
11.2.1.4 Jabber function requirements
305 11.2.2 DTE PLS to MAU and MAU to DTE PLS messages
11.2.2.1 DTE Physical Layer to MAU Physical Layer messages
11.2.2.2 MAU Physical Layer to DTE Physical Layer messages
11.2.2.2.1 input message
11.2.2.2.2 input_idle message
11.2.2.2.3 mau_available message
11.2.2.3 signal_quality_error message
306 11.2.3 MAU state diagrams
11.2.3.1 MAU state diagram messages
11.2.3.2 MAU state diagram signal names
309 11.3 MAU characteristics
11.3.1 MAU-to-coaxial cable interface
11.3.1.1 Receive interface
11.3.1.1.1 Receive input impedance
11.3.1.1.2 Receiver squelch requirements
310 11.3.1.1.3 Receive level requirements
11.3.1.1.4 Receiver selectivity and linearity requirements
11.3.1.1.5 Receive input mechanical requirements
11.3.1.2 Transmit interface
11.3.1.2.1 Transmit output impedance
11.3.1.2.2 Transmitted RF packet format
311 11.3.1.2.3 Transmit spectrum and group delay characteristics
313 11.3.1.2.4 Transmit out-of-band spectrum
11.3.1.2.5 Transmit level requirements
11.3.1.2.6 Nontransmitting signal leakage requirement
11.3.1.2.7 Transmit spurious output requirement
314 11.3.1.2.8 Collision enforcement signal leakage requirement
11.3.1.2.9 Transmit output mechanical requirements
11.3.2 MAU frequency allocations
11.3.2.1 Single-cable systems frequency allocations
315 11.3.2.2 Dual-cable systems frequency allocations
11.3.3 AUI electrical characteristics
11.3.3.1 Electrical isolation requirements
11.3.3.2 Current consumption
316 11.3.3.3 Driver and receiver requirements
11.3.3.4 AUI mechanical connection
11.3.4 MAU transfer characteristics
11.3.4.1 AUI to coaxial cable framing characteristics.
317 11.3.4.1.1 Scrambler and differential encoding requirements
318 11.3.4.2 Coaxial cable to AUI framing characteristics
319 11.3.4.3 Circuit DO to circuit DI framing characteristics
11.3.4.4 AUI to coaxial cable delay characteristics
11.3.4.4.1 Circuit DO to RF data signal delay
11.3.4.4.2 Circuit DO to CE RF output delay
11.3.4.4.3 Transmit postamble to SQE test signal delay
11.3.4.4.4 SQE test signal length
11.3.4.5 Coaxial cable to AUI delay characteristics
320 11.3.4.5.1 Received RF to circuit DI delay
11.3.4.5.2 Received RF to CE RF output and circuit CI delay
11.3.4.5.3 Collision enforcement to circuit CI delay
11.3.4.5.4 Receive data to SQE test delay
321 11.3.4.6 Delay from circuit DO to circuit DI
322 11.3.4.7 Interpacket gap requirement
11.3.4.8 Bit error ratio
11.3.5 Reliability
323 11.4 System considerations
11.4.1 Delay budget and network diameter
11.4.2 MAU operation with packets shorter than 512 bits
324 11.5 Characteristics of the coaxial cable system
11.5.1 Electrical requirements
11.5.2 Mechanical requirements
11.5.3 Delay requirements
325 11.6 Frequency translator requirements for the single-cable version
11.6.1 Electrical requirements
11.6.2 Mechanical requirements
11.7 Environmental specifications
11.7.1 Safety requirements
326 11.7.2 Electromagnetic environment
11.7.2.1 Susceptibility levels
11.7.2.2 Emission levels
11.7.3 Temperature and humidity
327 12. Physical signaling, medium attachment, and baseband medium specifications, type 1BASE5
12.1 Introduction
12.1.1 Overview
12.1.2 Scope
12.1.3 Definitions
12.1.4 General characteristics
328 12.1.5 Compatibility
12.1.6 Objectives of type 1BASE5 specification
12.2 Architecture
12.2.1 Major concepts
329 12.2.2 Application perspective
12.2.3 Packet structure
330 12.2.3.1 Silence
12.2.3.2 Preamble
331 12.2.3.3 Start-of-frame delimiter
12.2.3.4 Data
12.2.3.5 End-of-transmission delimiter
332 12.3 DTE physical signaling (PLS) specification
12.3.1 Overview
12.3.1.1 Summary of major concepts
12.3.1.2 Application perspective
333 12.3.2 Functional specification
12.3.2.1 PLS-PMA interface
12.3.2.1.1 output message
12.3.2.1.2 output_idle message
12.3.2.1.3 input message
12.3.2.1.4 input_idle message
334 12.3.2.2 PLS-MAC interface
12.3.2.2.1 OUTPUT_UNIT
12.3.2.2.2 OUTPUT_STATUS
12.3.2.2.3 INPUT_UNIT
12.3.2.2.4 CARRIER_STATUS
12.3.2.2.5 SIGNAL_STATUS
335 12.3.2.3 PLS functions
12.3.2.3.1 State diagram variables
12.3.2.3.2 Output function
336 12.3.2.3.3 Input function
12.3.2.3.4 Error Sense function
337 12.3.2.3.5 Carrier Sense function
12.3.2.4 Signal encoding
12.3.2.4.1 Data transmission rate
12.3.2.4.2 Data symbol encoding
12.3.2.4.3 Collision presence encoding
338 12.3.2.4.4 Idle line encoding
339 12.4 Hub specification
12.4.1 Overview
340 12.4.1.1 Summary of major concepts
12.4.1.2 Application perspective
12.4.2 Hub structure
12.4.2.1 Upward side
12.4.2.2 Downward side
341 12.4.3 Hub PLS functional specification
12.4.3.1 Hub PLS to PMA interface
12.4.3.2 Hub PLS functions
12.4.3.2.1 State diagram variables
342 12.4.3.2.2 Upward Signal Transfer function
12.4.3.2.3 Jabber function
343 12.4.3.2.4 Downward Signal Transfer function
345 12.4.3.2.5 Retiming (jitter removal)
12.4.3.2.6 Header hub wrap-around
12.4.3.2.7 Collision presence startup
346 12.4.3.3 Reliability
12.5 Physical medium attachment (PMA) specification
12.5.1 Overview
12.5.2 PLS–PMA interface
347 12.5.3 Signal characteristics
12.5.3.1 Transmitter characteristics
12.5.3.1.1 Differential output voltage
350 12.5.3.1.2 Output timing jitter
12.5.3.1.3 Transmitter impedance balance
351 12.5.3.1.4 Common-mode output voltage
12.5.3.1.5 Common-mode tolerance
352 12.5.3.1.6 Transmitter fault tolerance
12.5.3.2 Receiver characteristics
12.5.3.2.1 Differential input voltage
12.5.3.2.2 Input timing jitter
12.5.3.2.3 Idle input behavior
353 12.5.3.2.4 Differential input impedance
12.5.3.2.5 Common-mode rejection
354 12.5.3.2.6 Noise immunity
12.5.3.2.7 Receiver fault tolerance
12.6 Medium Dependent Interface (MDI) specification
12.6.1 Line interface connector
355 12.6.2 Connector contact assignments
12.6.3 Labeling
356 12.7 Cable medium characteristics
12.7.1 Overview
12.7.2 Transmission parameters
12.7.2.1 Attenuation
12.7.2.2 Differential characteristic impedance
12.7.2.3 Medium timing jitter
357 12.7.2.4 Dispersion
12.7.3 Coupling parameters
12.7.3.1 Pair-to-pair crosstalk
12.7.3.2 Multiple-disturber crosstalk
358 12.7.3.3 Balance
12.7.4 Noise environment
12.7.4.1 Impulse noise
359 12.7.4.2 Crosstalk
12.8 Special link specification
12.8.1 Overview
12.8.2 Transmission characteristics
12.8.3 Permitted configurations
12.9 Timing
12.9.1 Overview
360 12.9.2 DTE timing
12.9.3 Medium timing
12.9.4 Special link timing
12.9.5 Hub timing
361 12.10 Safety
12.10.1 Isolation
362 12.10.2 Telephony voltages
363 13. System considerations for multisegment 10 Mb/s baseband networks
13.1 Overview
364 13.1.1 Repeater usage
13.2 Definitions
13.3 Transmission System Model 1
371 13.4 Transmission System Model 2
13.4.1 Round-trip collision delay
13.4.1.1 Worst-case path delay value (PDV) selection
13.4.1.2 Worst-case PDV calculation
372 13.4.2 Interpacket gap (IPG) shrinkage
373 13.4.2.1 Worst-case path variability value (PVV) selection
13.4.2.2 Worst-case path variability value (PVV) calculation
13.5 Full duplex topology limitations
374 14. Twisted-pair medium attachment unit (MAU) and baseband medium, type 10BASE-T including type 10BASE-Te
14.1 Scope
14.1.1 Overview
14.1.1.1 Medium Attachment Unit (MAU)
375 14.1.1.2 Repeater unit
14.1.1.3 Twisted-pair media
14.1.2 Definitions
376 14.1.3 Application perspective
14.1.3.1 Objectives
377 14.1.3.2 Compatibility considerations
14.1.3.3 Modes of operation
14.1.4 Relationship to PLS and AUI
14.2 MAU functional specifications
378 14.2.1 MAU functions
379 14.2.1.1 Transmit function requirements
14.2.1.2 Receive function requirements
380 14.2.1.3 Loopback function requirements (half duplex mode only)
14.2.1.4 Collision Presence function requirements (half duplex mode only)
14.2.1.5 signal_quality_error Message (SQE) Test function requirements
14.2.1.6 Jabber function requirements
381 14.2.1.7 Link Integrity Test function requirements
382 14.2.1.8 Auto-Negotiation
14.2.2 PMA interface messages
14.2.2.1 PLS to PMA messages
14.2.2.1.1 PMA to PLS messages
383 14.2.2.2 PMA to twisted-pair link segment messages
14.2.2.3 Twisted-pair link segment to PMA messages
14.2.2.4 Interface message time references
14.2.3 MAU state diagrams
14.2.3.1 State diagram variables
389 14.2.3.2 State diagram timers
14.3 MAU electrical specifications
14.3.1 MAU-to-MDI interface characteristics
14.3.1.1 Isolation requirement
390 14.3.1.2 Transmitter specifications
391 14.3.1.2.1 Differential output voltage
394 14.3.1.2.2 Transmitter differential output impedance
395 14.3.1.2.3 Output timing jitter
14.3.1.2.4 Transmitter impedance balance
14.3.1.2.5 Common-mode output voltage
396 14.3.1.2.6 Transmitter common-mode rejection
14.3.1.2.7 Transmitter fault tolerance
397 14.3.1.3 Receiver specifications
14.3.1.3.1 Receiver differential input signals
14.3.1.3.2 Receiver differential noise immunity
398 14.3.1.3.3 Idle input behavior
14.3.1.3.4 Receiver differential input impedance
14.3.1.3.5 Common-mode rejection
14.3.1.3.6 Receiver fault tolerance
14.3.2 MAU-to-AUI specification
14.3.2.1 MAU-AUI electrical characteristics
399 14.3.2.2 MAU–AUI mechanical connection
14.3.2.3 Power consumption
400 14.4 Characteristics of the simplex link segment
14.4.1 Overview
14.4.2 Transmission parameters
14.4.2.1 Insertion loss
14.4.2.2 Differential characteristic impedance
14.4.2.3 Medium timing jitter
401 14.4.2.4 Delay
14.4.3 Coupling parameters
14.4.3.1 Differential near-end crosstalk (NEXT) loss
14.4.3.1.1 Twenty-five-pair cable and twenty-five-pair binder groups
14.4.3.1.2 Four-pair cable
14.4.3.1.3 Other cables
14.4.3.2 Multiple-disturber NEXT (MDNEXT) loss
402 14.4.4 Noise environment
14.4.4.1 Impulse noise
14.4.4.2 Crosstalk noise
14.5 MDI specification
14.5.1 MDI connectors
403 14.5.2 Crossover function
404 14.6 System considerations
405 14.7 Environmental specifications
14.7.1 General safety
14.7.2 Network safety
14.7.2.1 Installation
14.7.2.2 Grounding
14.7.2.3 Installation and maintenance guidelines
14.7.2.4 Telephony voltages
406 14.7.3 Environment
14.7.3.1 Electromagnetic emission
14.7.3.2 Temperature and humidity
14.8 MAU labeling
407 14.9 Timing summary
408 14.10 Protocol implementation conformance statement (PICS) proforma for Clause 14, Twisted-pair medium attachment unit (MAU) and baseband medium, type 10BASE-T and type 10BASE-Te
14.10.1 Introduction
14.10.1.1 Scope
14.10.1.2 Reference
14.10.1.3 Definitions
14.10.1.4 Conformance
409 14.10.2 Identification of implementation
14.10.2.1 Supplier information
14.10.2.2 Implementation information
14.10.3 Identification of the protocol
410 14.10.4 PICS proforma for 10BASE-T
14.10.4.1 Abbreviations
14.10.4.2 PICS Completion instructions and implementation statement
14.10.4.3 Additional information
14.10.4.4 References
411 14.10.4.5 PICS proforma tables for MAU
14.10.4.5.1 MAU functions
412 14.10.4.5.2 Transmit function
14.10.4.5.3 Receive function
413 14.10.4.5.4 Loopback function
14.10.4.5.5 Collision Detect function
414 14.10.4.5.6 signal_quality_error Message Test function
14.10.4.5.7 Jabber function
415 14.10.4.5.8 Link Integrity Test function
416 14.10.4.5.9 MAU state diagram requirements
14.10.4.5.10 AUI requirements
14.10.4.5.11 Isolation requirements
417 14.10.4.5.12 Transmitter specification
418 14.10.4.5.13 Receiver specification
419 14.10.4.5.14 MDI requirements
14.10.4.5.15 Safety requirements
420 14.10.4.6 PICS proforma tables for MAU AUI characteristics
14.10.4.6.1 Signal characteristics
14.10.4.6.2 DI and CI driver characteristics
421 14.10.4.6.3 DO receiver characteristics
14.10.4.6.4 Power consumption
422 14.10.4.6.5 Circuit termination
14.10.4.6.6 Mechanical characteristics
423 14.10.4.7 PICS proforma tables for 10BASE-T link segment
14.10.4.7.1 10BASE-T link segment characteristics
424 14.10.4.8 PICS proforma tables for Auto-Negotiation able MAUs
425 15. Fiber optic medium and common elements of medium attachment units and star, type 10BASE-F
15.1 Scope
15.1.1 Overview
15.1.1.1 Fiber optic medium attachment units (MAUs)
15.1.1.2 Fiber optic passive star
426 15.1.1.3 Repeater unit
427 15.1.2 Definitions
15.1.3 Applications perspective: MAUs, stars, and fiber optic medium
15.1.3.1 Objectives
15.1.3.2 Compatibility considerations
428 15.1.3.3 Relationship to PLS and AUI
429 15.1.3.4 Guidelines for implementation of systems
15.1.3.5 Modes of operation
430 15.2 MDI optical characteristics
15.2.1 Transmit optical parameters
15.2.1.1 Center wavelength
15.2.1.2 Spectral width
15.2.1.3 Optical modulation extinction ratio
15.2.1.4 Optical Idle Signal amplitude
15.2.1.5 Optical transmit pulse logic polarity
15.2.1.6 Optical transmit pulse rise and fall times
15.2.1.7 Optical transmit pulse overshoot and undershoot
15.2.1.8 Optical transmit pulse edge jitter
432 15.2.1.9 Optical transmit pulse duty cycle distortion
15.2.1.10 Optical transmit average power range
15.2.1.11 Optical transmit signal templates
433 15.2.1.11.1 10BASE-FP optical transmit signal template
434 15.2.1.11.2 10BASE-FB optical transmit signal template
436 15.2.1.11.3 10BASE-FL Optical transmit signal template
437 15.2.2 Receive optical parameters
15.2.2.1 Optical receive average power range
15.2.2.2 Optical receive pulse edge jitter
438 15.2.2.3 Optical receive pulse logic polarity
15.2.2.4 Optical receive pulse rise and fall times
15.3 Characteristics of the fiber optic medium
15.3.1 Optical fiber and cable
15.3.1.1 Attenuation
15.3.1.2 Modal bandwidth
15.3.1.3 Propagation delay
439 15.3.2 Optical medium connector plug and socket
15.3.2.1 Optical connector insertion loss
15.3.2.2 Optical connector return loss
440 15.3.3 Fiber optic medium insertion loss
15.3.3.1 10BASE-FP segment insertion loss
15.3.3.2 10BASE-FB and 10BASE-FL segment insertion loss
15.3.4 Electrical isolation
15.4 MAU reliability
15.5 MAU–AUI specification
15.5.1 MAU–AUI electrical characteristics
441 15.5.2 MAU–AUI mechanical connections
15.5.3 Power consumption
15.5.4 MAU–AUI messages
15.5.4.1 PLS to PMA messages
15.5.4.2 PMA to PLS messages
15.5.4.2.1 signal_quality_error message
442 15.6 Environmental specifications
15.6.1 Safety requirements
15.6.2 Electromagnetic environment
443 15.6.3 Other environmental requirements
15.7 MAU labeling
15.7.1 10BASE-FP star labeling
444 15.8 Protocol implementation conformance statement (PICS) proforma for Clause 15, Fiber optic medium and common elements of medium attachment units and star, type 10BASE-F
15.8.1 Introduction
15.8.2 Abbreviations and special symbols
15.8.2.1 Status symbols
15.8.2.2 Abbreviations
15.8.3 Instructions for completing the pics proforma
15.8.3.1 General structure of the PICS proforma
445 15.8.3.2 Additional information
15.8.3.3 Exception information
446 15.8.3.4 Conditional items
15.8.4 Identification
15.8.4.1 Implementation identification
15.8.4.2 Protocol summary
447 15.8.5 Major capabilities/options
15.8.6 PICS Proforma for the fiber optic medium
15.8.6.1 Characteristics of the fiber optic medium
448 15.8.6.2 Optical medium connector plug and socket
15.8.6.3 Fiber optic medium insertion loss
15.8.6.4 Electrical isolation requirements
449 16. Fiber optic passive star and medium attachment unit, type 10BASE-FP
16.1 Scope
16.1.1 Overview
16.1.1.1 10BASE-FP medium attachment unit
16.1.1.2 10BASE-FP Star
16.1.1.3 Repeater unit
450 16.2 PMA interface messages
16.2.1 PMA-to-MDI interface signal encodings
16.2.2 PMA-to-MDI OTD messages
16.2.2.1 OTD_output
16.2.2.2 OTD_idle
451 16.2.2.3 OTD_manch_violation
16.2.3 MDI ORD-to-PMA messages
16.2.3.1 ORD_input
452 16.2.3.2 ORD_idle
16.2.3.3 ORD_crv
16.3 10BASE-FP MAU functional specifications
16.3.1 Transmit function requirements
453 16.3.1.1 Preamble encoding
16.3.1.1.1 Synchronization pattern
16.3.1.1.2 Packet header code rule violation
16.3.1.1.3 Unique word
16.3.1.2 Data transmit
454 16.3.1.3 Collision encoding (unique word jam)
16.3.2 Receive function requirements
16.3.2.1 Preamble reconstruction and alignment
16.3.2.2 Data receive
16.3.2.3 Signal presence during collision
16.3.3 Loopback function requirements
455 16.3.4 Collision presence function requirements
16.3.4.1 CI Circuit signaling
16.3.4.2 Collision detection
456 16.3.4.3 End of collision
16.3.5 signal_quality_error Message (SQE) Test function requirements
16.3.6 Jabber function requirements
457 16.3.7 Link fault detection and low light function requirements
458 16.3.8 Interface message time references
16.3.9 MAU state diagram
16.3.9.1 MAU state diagram variables
460 16.3.9.2 MAU state diagram timers
461 16.3.9.3 MAU state diagram counters
466 16.4 Timing summary
16.5 10BASE-FP Star functional specifications
16.5.1 Star functions
16.5.1.1 Number of ports
16.5.1.2 Optical power division
467 16.5.1.3 Configuration
16.5.1.4 Reliability
16.5.2 Star optical characteristics
16.5.2.1 Star insertion loss
16.5.2.2 Star single output port uniformity
16.5.2.3 Star directivity
468 16.6 Protocol implementation conformance statement (PICS) proforma for Clause 16, Fiber optic passive star and medium attachment unit, type 10BASE-FP
16.6.1 Introduction
16.6.2 Abbreviations and special symbols
16.6.2.1 Status symbols
16.6.2.2 Abbreviations
16.6.3 Instructions for completing the PICS proforma
16.6.3.1 General structure of the PICS proforma
469 16.6.3.2 Additional information
16.6.3.3 Exception information
470 16.6.3.4 Conditional items
16.6.4 Identification
16.6.4.1 Implementation identification
16.6.4.2 Protocol summary
471 16.6.5 Major capabilities/options
16.6.6 PICS proforma for the type 10BASE-FP MAU
16.6.6.1 Compatibility considerations
472 16.6.6.2 Optical transmit parameters
473 16.6.6.3 Optical receive parameters
16.6.6.4 Optical medium connector plug and socket
16.6.6.5 MAU functions
16.6.6.6 PMA interface messages
474 16.6.6.7 PMA to MDI OTD messages
16.6.6.8 MDI ORD to PMA messages
16.6.6.9 Transmit functions (continued)
475 16.6.6.10 Collision Encoding (Unique Word Jam) function
16.6.6.11 Receive functions
476 16.6.6.12 Preamble reconstruction and alignment function
16.6.6.13 Data receive function
16.6.6.14 Signal presence during collision
477 16.6.6.15 Loopback function
16.6.6.16 Collision presence function
478 16.6.6.17 signal_quality_error Message (SQE) test function
16.6.6.18 Jabber function
16.6.6.19 Link Fault Detect function
479 16.6.6.20 MAU state diagram requirements
16.6.6.21 MAU-to-AUI signal characteristics
16.6.6.22 MAU-to-AUI DI and CI driver characteristics
480 16.6.6.23 AUI-to-MAU DO receiver characteristics
16.6.6.24 MAU-to-AUI circuit termination
481 16.6.6.25 MAU-to-AUI mechanical connections
16.6.6.26 MAU reliability
482 16.6.6.27 Power consumption
16.6.6.28 PLS–PMA requirements
16.6.6.29 signal_quality_error message (SQE)
483 16.6.6.30 Environmental requirements
16.6.6.31 MAU labeling
16.6.7 PICS proforma tables for 10BASE-FP stars
16.6.7.1 Star basic functions
484 16.6.7.2 Star optical characteristics
16.6.7.3 Star environmental requirements
16.6.7.4 10BASE-FP star labeling
485 17. Fiber optic medium attachment unit, type 10BASE-FB
17.1 Scope
17.1.1 Overview
17.1.1.1 Medium attachment unit
17.1.1.2 Relationship to repeater
17.1.1.3 Remote diagnostic messages
17.1.2 Relationship to AUI
486 17.2 PMA interface messages
17.2.1 PMA-to-MDI interface signal encodings
17.2.2 PMA-to-MDI OTD messages
487 17.2.2.1 OTD_output
17.2.2.2 OTD_sync_idle
17.2.2.3 OTD_remote_fault
17.2.3 MDI ORD-to-PMA messages
17.2.3.1 Status decoding
17.2.3.2 ORD_input
17.2.3.3 ORD_sync_idle
488 17.2.3.4 ORD_remote_fault
17.2.3.5 ORD_invalid_data
17.2.4 Transitions between signals
17.2.5 Signaling rate
17.3 MAU functional specifications
17.3.1 Transmit function requirements
489 17.3.1.1 Data transmit
17.3.1.2 Synchronous idle
17.3.1.3 Fault signaling
17.3.2 Receive function requirements
17.3.2.1 Data receive
17.3.2.2 Remote status message handling
17.3.3 Collision function requirements
17.3.3.1 Collision detection
490 17.3.3.2 End of collision
17.3.4 Loopback function requirements
17.3.5 Fault-handling function requirements
17.3.6 Jabber function requirements
491 17.3.7 Low light level detection function requirements
17.3.8 Synchronous qualification function requirements
492 17.3.9 Interface message time references
17.3.10 MAU state diagrams
17.3.10.1 MAU state diagram variables
493 17.3.10.2 MAU state diagram timers
496 17.4 Timing summary
497 17.5 Protocol implementation conformance statement (PICS) proforma for Clause 17, Fiber optic medium attachment unit, type 10BASE-FB
17.5.1 Introduction
17.5.2 Abbreviations and special symbols
17.5.2.1 Status symbols
17.5.2.1.1 Abbreviations
17.5.3 Instructions for completing the PICS proforma
17.5.3.1 General structure of the PICS proforma
498 17.5.3.2 Additional information
17.5.3.3 Exception information
499 17.5.3.4 Conditional items
17.5.4 Identification
17.5.4.1 Implementation identification
17.5.4.2 Protocol summary
17.5.5 PICS proforma for the type 10BASE-FB MAU
500 17.5.6 PICS proforma for the type 10BASE-FB MAU
17.5.6.1 Compatibility considerations
17.5.6.2 Optical transmit parameters
501 17.5.6.3 Optical receive parameters
17.5.6.4 Optical medium connector plug and socket
502 17.5.6.5 MAU functions
17.5.6.6 PMA-to-MDI OTD messages and signaling
503 17.5.6.7 MDI ORD-to-PMA messages and signaling
17.5.6.8 Transitions between signals
17.5.6.9 Signaling rate
504 17.5.6.10 Transmit functions
17.5.6.11 Receive functions
505 17.5.6.12 Data receive function
17.5.6.13 Remote status message handling
17.5.6.14 Collision function requirements
506 17.5.6.15 End of collision
17.5.6.16 Loopback function
17.5.6.17 Fault-handling function
507 17.5.6.18 Jabber-handling function
17.5.6.19 Low light detection
508 17.5.6.20 Synchronous qualification
17.5.6.21 MAU state diagram requirements
17.5.6.22 MAU reliability
509 17.5.6.23 PLS–PMA requirements
17.5.6.24 signal_quality_error message (SQE)
17.5.6.25 Environmental requirements
17.5.6.26 MAU labeling
510 18. Fiber optic medium attachment unit, type 10BASE-FL
18.1 Scope
18.1.1 Overview
18.1.1.1 10BASE-FL medium attachment unit (MAU)
18.1.1.2 Repeater unit
18.2 PMA interface messages
511 18.2.1 PMA to fiber optic link segment messages
18.2.1.1 OTD_output.
18.2.1.2 OTD_idle
18.2.2 Fiber optic link segment to PMA messages
18.2.2.1 ORD_input
18.2.2.2 ORD_idle
512 18.2.3 Interface message time references
18.3 MAU functional specifications
18.3.1 MAU functions
513 18.3.1.1 Transmit function requirements
514 18.3.1.2 Receive function requirements
18.3.1.3 Loopback function requirements (half duplex mode only)
18.3.1.4 Collision Presence function requirements (half duplex mode only)
515 18.3.1.5 signal_quality_error Message (SQE) Test function requirements
18.3.1.6 Jabber function requirements
18.3.1.7 Link Integrity Test function requirements
516 18.3.1.8 Auto-Negotiation
18.3.2 MAU state diagrams
18.3.2.1 MAU state diagram variables
518 18.3.2.2 MAU state diagram timers
523 18.4 Timing summary
524 18.5 Protocol implementation conformance statement (PICS) proforma for Clause 18, Fiber optic medium attachment unit, type 10BASE-FL
18.5.1 Introduction
18.5.2 Abbreviations and special symbols
18.5.2.1 Status symbols
18.5.2.2 Abbreviations
525 18.5.3 Instructions for completing the PICS proforma
18.5.3.1 General structure of the PICS proforma
18.5.3.2 Additional information
18.5.3.3 Exception information
526 18.5.3.4 Conditional items
18.5.4 Identification
18.5.4.1 Implementation identification
18.5.4.2 Protocol summary
527 18.5.5 Major capabilities/options
18.5.6 PICS proforma tables for the type 10BASE-FL MAU
18.5.6.1 Compatibility considerations
528 18.5.6.2 Optical transmit parameter
529 18.5.6.3 Optical receive parameters
18.5.6.4 Optical medium connector plug and socket
530 18.5.6.5 MAU functions
18.5.6.6 PMA interface messages
18.5.6.7 PMA-to-MDI OTD messages
18.5.6.8 MDI ORD-to-PMA messages
531 18.5.6.9 Transmit function
18.5.6.10 Receive function
532 18.5.6.11 Loopback function
18.5.6.12 Collision Presence function
18.5.6.13 signal_quality_error Message (SQE) Test function
533 18.5.6.14 Jabber function
18.5.6.15 Link Integrity Test function
535 18.5.6.16 MAU state diagram requirements
18.5.6.17 MAU-to-AUI signal characteristics
536 18.5.6.18 MAU-to-AUI DI and CI driver characteristics
18.5.6.19 AUI-to-MAU DO receiver characteristics
537 18.5.6.20 AUI circuit termination
18.5.6.21 MAU-to-AUI mechanical connections
538 18.5.6.22 MAU reliability
18.5.6.23 Power consumption
18.5.6.24 PLS–PMA requirements
18.5.6.25 signal_quality_error message (SQE)
539 18.5.6.26 Environmental requirements
18.5.6.27 MAU labeling
540 19. Layer Management for 10 Mb/s baseband repeaters
19.1 Introduction
19.1.1 Scope
19.1.2 Relationship to objects in IEEE Std 802.1F-1993
19.1.3 Definitions
19.1.4 Symbols and abbreviations
541 19.1.5 Management model
542 19.2 Managed objects
19.2.1 Introduction
19.2.2 Overview of managed objects
19.2.2.1 Text description of managed objects
19.2.2.2 Port functions to support management
544 19.2.2.3 Containment
545 19.2.2.4 Naming
19.2.2.5 Packages and capabilities
547 19.2.3 Repeater managed object class
19.2.3.1 Repeater attributes
19.2.3.1.1 aRepeaterID
19.2.3.1.2 aRepeaterGroupCapacity
19.2.3.1.3 aGroupMap
19.2.3.1.4 aRepeaterHealthState
548 19.2.3.1.5 aRepeaterHealthText
19.2.3.1.6 aRepeaterHealthData
19.2.3.1.7 aTransmitCollisions
19.2.3.2 Repeater actions
19.2.3.2.1 acResetRepeater
549 19.2.3.2.2 acExecuteNonDisruptiveSelfTest
19.2.3.3 Repeater notifications
19.2.3.3.1 nRepeaterHealth
550 19.2.3.3.2 nRepeaterReset
19.2.3.3.3 nGroupMapChange
19.2.4 ResourceTypeID Managed Object Class
19.2.5 Group managed object class
19.2.5.1 Group attributes
19.2.5.1.1 aGroupID
551 19.2.5.1.2 aGroupPortCapacity
19.2.5.1.3 aPortMap
19.2.5.2 Group Notifications
19.2.5.2.1 nPortMapChange
19.2.6 Port managed object class
19.2.6.1 Port Attributes
19.2.6.1.1 aPortID
552 19.2.6.1.2 aPortAdminState
19.2.6.1.3 aAutoPartitionState
19.2.6.1.4 aReadableFrames
19.2.6.1.5 aReadableOctets
553 19.2.6.1.6 aFrameCheckSequenceErrors
19.2.6.1.7 aAlignmentErrors
19.2.6.1.8 aFramesTooLong
19.2.6.1.9 aShortEvents
554 19.2.6.1.10 aRunts
19.2.6.1.11 aCollisions
19.2.6.1.12 aLateEvents
555 19.2.6.1.13 aVeryLongEvents
19.2.6.1.14 aDataRateMismatches
19.2.6.1.15 aAutoPartitions
19.2.6.1.16 aLastSourceAddress
556 19.2.6.1.17 aSourceAddressChanges
19.2.6.2 Port Actions
19.2.6.2.1 acPortAdminControl
557 20. Layer Management for 10 Mb/s baseband medium attachment units
20.1 Introduction
20.1.1 Scope
20.1.2 Management model
20.2 Managed objects
20.2.1 Text description of managed objects
20.2.1.1 Naming
558 20.2.1.2 Containment
20.2.1.3 Packages
559 20.2.2 MAU Managed object class
20.2.2.1 MAU attributes
20.2.2.1.1 aMAUID
20.2.2.1.2 aMAUType
560 20.2.2.1.3 aMediaAvailable
20.2.2.1.4 aLoseMediaCounter
20.2.2.1.5 aJabber
561 20.2.2.1.6 aMAUAdminState
20.2.2.1.7 aBbMAUXmitRcvSplitType
20.2.2.1.8 aBroadbandFrequencies
562 20.2.2.2 MAU actions
20.2.2.2.1 acResetMAU
20.2.2.2.2 acMAUAdminControl
20.2.2.3 MAU notifications
20.2.2.3.1 nJabber
563 Annex A (informative) Bibliography
567 Annex B (informative) System guidelines
B.1 Baseband system guidelines and concepts, 10 Mb/s
B.1.1 Overall system objectives
B.1.2 Analog system components and parameter values
569 B.1.3 Minimum frame length determination
570 B.1.4 System jitter budgets
B.1.4.1 Nominal jitter values
571 B.1.4.2 Decoder evaluation
572 B.1.5 Systems consideration calculations
B.1.5.1 Overview
B.1.5.2 Maximum collision fragment size
575 B.1.5.3 Interpacket Gap (IPG) shrinkage
576 B.1.5.4 Timing parameters for round-trip delay and variability calculations
579 B.2 System parameters and budgets for 1BASE5
B.2.1 Delay budget
580 B.2.2 Minimum frame length determination
581 B.2.3 Jitter budget
582 B.3 Example crosstalk computation for multiple disturbers, balanced-pair cable
584 B.4 10BASE-T guidelines
B.4.1 System jitter budget
B.4.2 Filter characteristics
B.4.3 Notes for conformance testing
B.4.3.1 Notes for 14.3.1.2.1 on differential output voltage
585 B.4.3.2 Note for 14.3.1.2.2 on transmitter differential output impedance
B.4.3.3 Note for 14.3.1.2.3 on output timing jitter
586 B.4.3.4 General note on common-mode tests
B.4.3.5 Note for 14.3.1.3.4 on receiver differential input impedance
B.4.3.6 Note for 14.3.1.3.3 on receiver idle input behavior
B.4.3.7 Note for 14.3.1.3.5 on receiver common-mode rejection
587 B.5 10BASE-F
B.5.1 System jitter budget
B.5.2 10BASE-FP fiber optic segment loss budget
590 Annex C (informative) State diagram, MAC sublayer
591 Annex D (informative) Application context, selected medium specifications
D.1 Introduction
D.2 Type 10BASE5 applications
D.3 Type 10BASE2 applications
592 D.4 Type FOIRL and 10BASE-F applications; alternative fiber optic medium applications
D.4.1 Alternative fiber types
D.4.1.1 Theoretical coupling losses
593 D.4.1.2 Maximum launch power
594 D.4.2 Type 10BASE-FP applications using 50/125 µm fiber
D.4.2.1 Coupled transmit power
D.4.2.2 Star coupler loss
595 D.4.2.3 Collision detection
D.5 10BASE-T use of cabling systems with a nominal differential characteristic impedance of 120 W
596 D.6 10BASE-T use of cabling systems with a nominal differential characteristic impedance of 150 W
598 Annex E (informative) Receiver wavelength design considerations (FOIRL)
599 Annex F (normative) Additional attributes required for systems
F.1 Introduction
F.1.1 Scope
F.2 Objects/Attributes/Actions/Notifications
F.2.1 TimeSinceSystemReset attribute
600 F.2.2 RepeaterResetTimeStamp attribute
F.2.3 ResetSystemAction action
601 Annex G (normative) Additional material required for conformance testing
G.1 Introduction
G.1.1 Material in support of the aDataRateMismatches attribute
602 Annex H (normative) GDMO specifications for CSMA/CD managed objects
603 Annex 4A (normative) Simplified full duplex media access control
4A.1 Functional model of the MAC method
4A.1.1 Overview
604 4A.1.2 Full duplex operation
4A.1.2.1 Transmission
4A.1.2.2 Reception
605 4A.1.3 Relationships to the MAC client and Physical Layers
4A.2 Media access control (MAC) method: precise specification
4A.2.1 Introduction
4A.2.2 Overview of the procedural model
4A.2.2.1 Ground rules for the procedural model
606 4A.2.2.2 Use of Pascal in the procedural model
4A.2.2.3 Organization of the procedural model
611 4A.2.2.4 Layer management extensions to procedural model
4A.2.3 Packet transmission model
4A.2.3.1 Transmit data encapsulation
4A.2.3.2 Transmit media access management
612 4A.2.4 Frame reception model
4A.2.4.1 Receive data decapsulation
613 4A.2.4.2 Receive media access management
4A.2.5 Preamble generation
4A.2.6 Start frame sequence
614 4A.2.7 Global declarations
4A.2.7.1 Common constants, types, and variables
615 4A.2.7.2 Transmit state variables
4A.2.7.3 Receive state variables
4A.2.7.4 State variable initialization
616 4A.2.8 Frame transmission
619 4A.2.9 Frame reception
622 4A.2.10 Common procedures
4A.3 Interfaces to/from adjacent layers
4A.3.1 Overview
4A.3.2 MAC service
4A.3.2.1 MAC client transmit interface state diagram
623 4A.3.2.2 MAC client receive interface state diagram
626 4A.3.3 Services required from the Physical Layer
627 4A.4 Specific implementations
4A.4.1 Compatibility overview
4A.4.2 MAC parameters

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