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IEEE 802.3-2012

IEEE 802.3-2012

$314.17

IEEE Standard for Ethernet

Published By Publication Date Number of Pages
IEEE 2012
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Revision Standard – Superseded.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. System considerations for multisegment shared access networks describe the use of Repeaters that 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™-2012 front cover
3 Title page
6 Notice to users
Copyrights
Updating of IEEE documents
Errata
Patents
7 Participants
21 Introduction
25 Contents
55 IMPORTANT NOTICE
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
98 1.5 Abbreviations
103 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
104 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
105 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
106 2.3.2.4 Effect of receipt
2.3.2.5 Additional comments
107 3. Media Access Control (MAC) frame and packet specifications
3.1 Overview
3.1.1 Packet format
108 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
109 3.2.3.1 Address designation
3.2.4 Destination Address field
110 3.2.5 Source Address field
3.2.6 Length/Type field
3.2.7 MAC Client Data field
111 3.2.8 Pad field
3.2.9 Frame Check Sequence (FCS) field
3.2.10 Extension field
112 3.3 Order of bit transmission
3.4 Invalid MAC frame
113 4. Media Access Control
4.1 Functional model of the MAC method
4.1.1 Overview
114 4.1.2 CSMA/CD operation
4.1.2.1 Normal operation
4.1.2.1.1 Transmission without contention
115 4.1.2.1.2 Reception without contention
4.1.2.2 Access interference and recovery
116 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
117 4.2.2.1 Ground rules for the procedural model
4.2.2.2 Use of Pascal in the procedural model
118 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
119 4.2.3.1 Transmit data encapsulation
124 4.2.3.2 Transmit media access management
4.2.3.2.1 Deference
4.2.3.2.2 Interpacket gap
125 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)
126 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
127 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
128 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
129 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
131 4.2.7.2 Transmit state variables
132 4.2.7.3 Receive state variables
4.2.7.4 State variable initialization
133 4.2.8 Frame transmission
140 4.2.9 Frame reception
143 4.2.10 Common procedures
144 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
145 4.3.2.1.2 Functions
4.3.2.1.3 Messages
4.3.2.1.4 MAC client transmit interface state diagram
146 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
147 4.3.2.2.4 MAC client receive interface state diagram
4.3.3 Services required from the Physical Layer
149 4.4 Specific implementations
4.4.1 Compatibility overview
150 4.4.2 MAC parameters
151 4.4.3 Configuration guidelines
153 5. Layer Management
5.1 Introduction
5.1.1 Systems Management overview
5.1.2 Layer Management model
154 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
156 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
157 5.2.2.1.5 aFramesReceivedOK
5.2.2.1.6 aFrameCheckSequenceErrors
5.2.2.1.7 aAlignmentErrors
5.2.2.1.8 aOctetsTransmittedOK
158 5.2.2.1.9 aFramesWithDeferredXmissions
5.2.2.1.10 aLateCollisions
5.2.2.1.11 aFramesAbortedDueToXSColls
5.2.2.1.12 aFramesLostDueToIntMACXmitError
159 5.2.2.1.13 aCarrierSenseErrors
5.2.2.1.14 aOctetsReceivedOK
5.2.2.1.15 aFramesLostDueToIntMACRcvError
5.2.2.1.16 aPromiscuousStatus
160 5.2.2.1.17 aReadMulticastAddressList
5.2.2.1.18 aMulticastFramesXmittedOK
5.2.2.1.19 aBroadcastFramesXmittedOK
5.2.2.1.20 aFramesWithExcessiveDeferral
161 5.2.2.1.21 aMulticastFramesReceivedOK
5.2.2.1.22 aBroadcastFramesReceivedOK
5.2.2.1.23 aInRangeLengthErrors
5.2.2.1.24 aOutOfRangeLengthField
162 5.2.2.1.25 aFrameTooLongErrors
5.2.2.1.26 aMACEnableStatus
5.2.2.1.27 aTransmitEnableStatus
5.2.2.1.28 aMulticastReceiveStatus
163 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
164 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
165 5.2.4 DTE Management procedural model
5.2.4.1 Common constants and types
5.2.4.2 Transmit variables and procedures
167 5.2.4.3 Receive variables and procedures
169 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
281 10. Medium attachment unit and baseband medium specifications, type 10BASE2
10.1 Scope
10.1.1 Overview
282 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
283 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
284 10.3.1 MAU Physical Layer functional requirements
10.3.1.1 Transmit function requirements
285 10.3.1.2 Receive function requirements
10.3.1.3 Collision Presence function requirements
286 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
288 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
289 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
291 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
292 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
293 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
294 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
295 10.6 Coaxial trunk cable connectors
10.6.1 In-line coaxial extension connector
296 10.6.2 Coaxial cable terminator
10.6.3 MAU-to-coaxial cable connection
10.7 System considerations
10.7.1 Transmission system model
298 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
299 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
301 11. Broadband medium attachment unit and broadband medium specifications, type 10BROAD36
11.1 Scope
11.1.1 Overview
303 11.1.2 Definitions
11.1.3 MAU and medium objectives
304 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
305 11.2.1.2 Receive function requirements
11.2.1.3 Collision Detection function requirements
306 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
307 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
308 11.2.3 MAU state diagrams
11.2.3.1 MAU state diagram messages
11.2.3.2 MAU state diagram signal names
311 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
312 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
313 11.3.1.2.3 Transmit spectrum and group delay characteristics
315 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
316 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
317 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
318 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.
319 11.3.4.1.1 Scrambler and differential encoding requirements
320 11.3.4.2 Coaxial cable to AUI framing characteristics
321 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
322 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
323 11.3.4.6 Delay from circuit DO to circuit DI
324 11.3.4.7 Interpacket gap requirement
11.3.4.8 Bit error ratio
11.3.5 Reliability
325 11.4 System considerations
11.4.1 Delay budget and network diameter
11.4.2 MAU operation with packets shorter than 512 bits
326 11.5 Characteristics of the coaxial cable system
11.5.1 Electrical requirements
11.5.2 Mechanical requirements
11.5.3 Delay requirements
327 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
328 11.7.2 Electromagnetic environment
11.7.2.1 Susceptibility levels
11.7.2.2 Emission levels
11.7.3 Temperature and humidity
329 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
330 12.1.5 Compatibility
12.1.6 Objectives of type 1BASE5 specification
12.2 Architecture
12.2.1 Major concepts
331 12.2.2 Application perspective
12.2.3 Packet structure
332 12.2.3.1 Silence
12.2.3.2 Preamble
333 12.2.3.3 Start-of-frame delimiter
12.2.3.4 Data
12.2.3.5 End-of-transmission delimiter
334 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
335 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
336 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
337 12.3.2.3 PLS functions
12.3.2.3.1 State diagram variables
12.3.2.3.2 Output function
338 12.3.2.3.3 Input function
12.3.2.3.4 Error Sense function
339 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
340 12.3.2.4.4 Idle line encoding
341 12.4 Hub specification
12.4.1 Overview
342 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
343 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
344 12.4.3.2.2 Upward Signal Transfer function
12.4.3.2.3 Jabber function
345 12.4.3.2.4 Downward Signal Transfer function
347 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
348 12.4.3.3 Reliability
12.5 Physical medium attachment (PMA) specification
12.5.1 Overview
12.5.2 PLS–PMA interface
349 12.5.3 Signal characteristics
12.5.3.1 Transmitter characteristics
12.5.3.1.1 Differential output voltage
352 12.5.3.1.2 Output timing jitter
12.5.3.1.3 Transmitter impedance balance
353 12.5.3.1.4 Common-mode output voltage
12.5.3.1.5 Common-mode tolerance
354 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
355 12.5.3.2.4 Differential input impedance
12.5.3.2.5 Common-mode rejection
356 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
357 12.6.2 Connector contact assignments
12.6.3 Labeling
358 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
359 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
360 12.7.3.3 Balance
12.7.4 Noise environment
12.7.4.1 Impulse noise
361 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
362 12.9.2 DTE timing
12.9.3 Medium timing
12.9.4 Special link timing
12.9.5 Hub timing
363 12.10 Safety
12.10.1 Isolation
364 12.10.2 Telephony voltages
365 13. System considerations for multisegment 10 Mb/s baseband networks
13.1 Overview
366 13.1.1 Repeater usage
13.2 Definitions
13.3 Transmission System Model 1
373 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
374 13.4.2 Interpacket gap (IPG) shrinkage
375 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
377 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)
378 14.1.1.2 Repeater unit
14.1.1.3 Twisted-pair media
14.1.2 Definitions
379 14.1.3 Application perspective
14.1.3.1 Objectives
380 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
381 14.2.1 MAU functions
382 14.2.1.1 Transmit function requirements
14.2.1.2 Receive function requirements
383 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
384 14.2.1.7 Link Integrity Test function requirements
385 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
386 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
392 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
393 14.3.1.2 Transmitter specifications
394 14.3.1.2.1 Differential output voltage
397 14.3.1.2.2 Transmitter differential output impedance
398 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
399 14.3.1.2.6 Transmitter common-mode rejection
14.3.1.2.7 Transmitter fault tolerance
400 14.3.1.3 Receiver specifications
14.3.1.3.1 Receiver differential input signals
14.3.1.3.2 Receiver differential noise immunity
401 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
402 14.3.2.2 MAU–AUI mechanical connection
14.3.2.3 Power consumption
403 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
404 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
405 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
406 14.5.2 Crossover function
407 14.6 System considerations
408 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
409 14.7.3 Environment
14.7.3.1 Electromagnetic emission
14.7.3.2 Temperature and humidity
14.8 MAU labeling
410 14.9 Timing summary
411 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
412 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
413 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
414 14.10.4.5 PICS proforma tables for MAU
14.10.4.5.1 MAU functions
415 14.10.4.5.2 Transmit function
14.10.4.5.3 Receive function
416 14.10.4.5.4 Loopback function
14.10.4.5.5 Collision Detect function
417 14.10.4.5.6 signal_quality_error Message Test function
14.10.4.5.7 Jabber function
418 14.10.4.5.8 Link Integrity Test function
419 14.10.4.5.9 MAU state diagram requirements
14.10.4.5.10 AUI requirements
14.10.4.5.11 Isolation requirements
420 14.10.4.5.12 Transmitter specification
421 14.10.4.5.13 Receiver specification
422 14.10.4.5.14 MDI requirements
14.10.4.5.15 Safety requirements
423 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
424 14.10.4.6.3 DO receiver characteristics
14.10.4.6.4 Power consumption
425 14.10.4.6.5 Circuit termination
14.10.4.6.6 Mechanical characteristics
426 14.10.4.7 PICS proforma tables for 10BASE-T link segment
14.10.4.7.1 10BASE-T link segment characteristics
427 14.10.4.8 PICS proforma tables for Auto-Negotiation able MAUs
429 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
430 15.1.1.3 Repeater unit
431 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
432 15.1.3.3 Relationship to PLS and AUI
433 15.1.3.4 Guidelines for implementation of systems
15.1.3.5 Modes of operation
434 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
436 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
437 15.2.1.11.1 10BASE-FP optical transmit signal template
438 15.2.1.11.2 10BASE-FB optical transmit signal template
440 15.2.1.11.3 10BASE-FL Optical transmit signal template
441 15.2.2 Receive optical parameters
15.2.2.1 Optical receive average power range
15.2.2.2 Optical receive pulse edge jitter
442 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
443 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
444 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
445 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
446 15.6 Environmental specifications
15.6.1 Safety requirements
15.6.2 Electromagnetic environment
447 15.6.3 Other environmental requirements
15.7 MAU labeling
15.7.1 10BASE-FP star labeling
448 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
449 15.8.3.2 Additional information
15.8.3.3 Exception information
450 15.8.3.4 Conditional items
15.8.4 Identification
15.8.4.1 Implementation identification
15.8.4.2 Protocol summary
451 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
452 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
453 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
454 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
455 16.2.2.3 OTD_manch_violation
16.2.3 MDI ORD-to-PMA messages
16.2.3.1 ORD_input
456 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
457 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
458 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
459 16.3.4 Collision presence function requirements
16.3.4.1 CI Circuit signaling
16.3.4.2 Collision detection
460 16.3.4.3 End of collision
16.3.5 signal_quality_error Message (SQE) Test function requirements
16.3.6 Jabber function requirements
461 16.3.7 Link fault detection and low light function requirements
462 16.3.8 Interface message time references
16.3.9 MAU state diagram
16.3.9.1 MAU state diagram variables
464 16.3.9.2 MAU state diagram timers
465 16.3.9.3 MAU state diagram counters
470 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
471 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
472 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
473 16.6.3.2 Additional information
16.6.3.3 Exception information
474 16.6.3.4 Conditional items
16.6.4 Identification
16.6.4.1 Implementation identification
16.6.4.2 Protocol summary
475 16.6.5 Major capabilities/options
16.6.6 PICS proforma for the type 10BASE-FP MAU
16.6.6.1 Compatibility considerations
476 16.6.6.2 Optical transmit parameters
477 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
478 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)
479 16.6.6.10 Collision Encoding (Unique Word Jam) function
16.6.6.11 Receive functions
480 16.6.6.12 Preamble reconstruction and alignment function
16.6.6.13 Data receive function
16.6.6.14 Signal presence during collision
481 16.6.6.15 Loopback function
16.6.6.16 Collision presence function
482 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
483 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
484 16.6.6.23 AUI-to-MAU DO receiver characteristics
16.6.6.24 MAU-to-AUI circuit termination
485 16.6.6.25 MAU-to-AUI mechanical connections
16.6.6.26 MAU reliability
486 16.6.6.27 Power consumption
16.6.6.28 PLS–PMA requirements
16.6.6.29 signal_quality_error message (SQE)
487 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
488 16.6.7.2 Star optical characteristics
16.6.7.3 Star environmental requirements
16.6.7.4 10BASE-FP star labeling
489 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
490 17.2 PMA interface messages
17.2.1 PMA-to-MDI interface signal encodings
17.2.2 PMA-to-MDI OTD messages
491 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
492 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
493 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
494 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
495 17.3.7 Low light level detection function requirements
17.3.8 Synchronous qualification function requirements
496 17.3.9 Interface message time references
17.3.10 MAU state diagrams
17.3.10.1 MAU state diagram variables
497 17.3.10.2 MAU state diagram timers
500 17.4 Timing summary
501 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
502 17.5.3.2 Additional information
17.5.3.3 Exception information
503 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
504 17.5.6 PICS proforma for the type 10BASE-FB MAU
17.5.6.1 Compatibility considerations
17.5.6.2 Optical transmit parameters
505 17.5.6.3 Optical receive parameters
17.5.6.4 Optical medium connector plug and socket
506 17.5.6.5 MAU functions
17.5.6.6 PMA-to-MDI OTD messages and signaling
507 17.5.6.7 MDI ORD-to-PMA messages and signaling
17.5.6.8 Transitions between signals
17.5.6.9 Signaling rate
508 17.5.6.10 Transmit functions
17.5.6.11 Receive functions
509 17.5.6.12 Data receive function
17.5.6.13 Remote status message handling
17.5.6.14 Collision function requirements
510 17.5.6.15 End of collision
17.5.6.16 Loopback function
17.5.6.17 Fault-handling function
511 17.5.6.18 Jabber-handling function
17.5.6.19 Low light detection
512 17.5.6.20 Synchronous qualification
17.5.6.21 MAU state diagram requirements
17.5.6.22 MAU reliability
513 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
515 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
516 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
517 18.2.3 Interface message time references
18.3 MAU functional specifications
18.3.1 MAU functions
518 18.3.1.1 Transmit function requirements
519 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)
520 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
521 18.3.1.8 Auto-Negotiation
18.3.2 MAU state diagrams
18.3.2.1 MAU state diagram variables
523 18.3.2.2 MAU state diagram timers
528 18.4 Timing summary
529 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
530 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
531 18.5.3.4 Conditional items
18.5.4 Identification
18.5.4.1 Implementation identification
18.5.4.2 Protocol summary
532 18.5.5 Major capabilities/options
18.5.6 PICS proforma tables for the type 10BASE-FL MAU
18.5.6.1 Compatibility considerations
533 18.5.6.2 Optical transmit parameter
534 18.5.6.3 Optical receive parameters
18.5.6.4 Optical medium connector plug and socket
535 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
536 18.5.6.9 Transmit function
18.5.6.10 Receive function
537 18.5.6.11 Loopback function
18.5.6.12 Collision Presence function
18.5.6.13 signal_quality_error Message (SQE) Test function
538 18.5.6.14 Jabber function
18.5.6.15 Link Integrity Test function
540 18.5.6.16 MAU state diagram requirements
18.5.6.17 MAU-to-AUI signal characteristics
541 18.5.6.18 MAU-to-AUI DI and CI driver characteristics
18.5.6.19 AUI-to-MAU DO receiver characteristics
542 18.5.6.20 AUI circuit termination
18.5.6.21 MAU-to-AUI mechanical connections
543 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)
544 18.5.6.26 Environmental requirements
18.5.6.27 MAU labeling
545 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
546 19.1.5 Management model
547 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
549 19.2.2.3 Containment
550 19.2.2.4 Naming
19.2.2.5 Packages and capabilities
552 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
553 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
554 19.2.3.2.2 acExecuteNonDisruptiveSelfTest
19.2.3.3 Repeater notifications
19.2.3.3.1 nRepeaterHealth
555 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
556 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
557 19.2.6.1.2 aPortAdminState
19.2.6.1.3 aAutoPartitionState
19.2.6.1.4 aReadableFrames
19.2.6.1.5 aReadableOctets
558 19.2.6.1.6 aFrameCheckSequenceErrors
19.2.6.1.7 aAlignmentErrors
19.2.6.1.8 aFramesTooLong
19.2.6.1.9 aShortEvents
559 19.2.6.1.10 aRunts
19.2.6.1.11 aCollisions
19.2.6.1.12 aLateEvents
560 19.2.6.1.13 aVeryLongEvents
19.2.6.1.14 aDataRateMismatches
19.2.6.1.15 aAutoPartitions
19.2.6.1.16 aLastSourceAddress
561 19.2.6.1.17 aSourceAddressChanges
19.2.6.2 Port Actions
19.2.6.2.1 acPortAdminControl
563 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
564 20.2.1.2 Containment
20.2.1.3 Packages
565 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
566 20.2.2.1.3 aMediaAvailable
20.2.2.1.4 aLoseMediaCounter
20.2.2.1.5 aJabber
567 20.2.2.1.6 aMAUAdminState
20.2.2.1.7 aBbMAUXmitRcvSplitType
20.2.2.1.8 aBroadbandFrequencies
568 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
569 Annex A (informative) Bibliography
573 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
575 B.1.3 Minimum frame length determination
576 B.1.4 System jitter budgets
B.1.4.1 Nominal jitter values
577 B.1.4.2 Decoder evaluation
578 B.1.5 Systems consideration calculations
B.1.5.1 Overview
B.1.5.2 Maximum collision fragment size
581 B.1.5.3 Interpacket Gap (IPG) shrinkage
582 B.1.5.4 Timing parameters for round-trip delay and variability calculations
585 B.2 System parameters and budgets for 1BASE5
B.2.1 Delay budget
586 B.2.2 Minimum frame length determination
587 B.2.3 Jitter budget
588 B.3 Example crosstalk computation for multiple disturbers, balanced-pair cable
590 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
591 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
592 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
593 B.5 10BASE-F
B.5.1 System jitter budget
B.5.2 10BASE-FP fiber optic segment loss budget
596 Annex C (informative) State diagram, MAC sublayer
597 Annex D (informative) Application context, selected medium specifications
D.1 Introduction
D.2 Type 10BASE5 applications
D.3 Type 10BASE2 applications
598 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
599 D.4.1.2 Maximum launch power
600 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
601 D.4.2.3 Collision detection
D.5 10BASE-T use of cabling systems with a nominal differential characteristic impedance of 120 Ω
602 D.6 10BASE-T use of cabling systems with a nominal differential characteristic impedance of 150 Ω
604 Annex E (informative) Receiver wavelength design considerations (FOIRL)
605 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
606 F.2.2 RepeaterResetTimeStamp attribute
F.2.3 ResetSystemAction action
607 Annex G (normative) Additional material required for conformance testing
G.1 Introduction
G.1.1 Material in support of the aDataRateMismatches attribute
608 Annex H (normative) GDMO specifications for CSMA/CD managed objects
609 Annex 4A (normative) Simplified full duplex media access control
4A.1 Functional model of the MAC method
4A.1.1 Overview
610 4A.1.2 Full duplex operation
4A.1.2.1 Transmission
4A.1.2.2 Reception
611 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
612 4A.2.2.2 Use of Pascal in the procedural model
4A.2.2.3 Organization of the procedural model
617 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
618 4A.2.4 Frame reception model
4A.2.4.1 Receive data decapsulation
619 4A.2.4.2 Receive media access management
4A.2.5 Preamble generation
4A.2.6 Start frame sequence
620 4A.2.7 Global declarations
4A.2.7.1 Common constants, types, and variables
621 4A.2.7.2 Transmit state variables
4A.2.7.3 Receive state variables
4A.2.7.4 State variable initialization
622 4A.2.8 Frame transmission
625 4A.2.9 Frame reception
628 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
629 4A.3.2.2 MAC client receive interface state diagram
632 4A.3.3 Services required from the Physical Layer
633 4A.4 Specific implementations
4A.4.1 Compatibility overview
4A.4.2 MAC parameters

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