{"id":398296,"date":"2024-10-20T04:35:04","date_gmt":"2024-10-20T04:35:04","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/ieee-802-3-2015-3\/"},"modified":"2024-10-26T08:23:20","modified_gmt":"2024-10-26T08:23:20","slug":"ieee-802-3-2015-3","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/ieee\/ieee-802-3-2015-3\/","title":{"rendered":"IEEE 802.3-2015"},"content":{"rendered":"

Revision Standard – Superseded.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.<\/p>\n

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PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\nIEEE Standard for Ethernet
SECTION THREE
Contents <\/td>\n<\/tr>\n
16<\/td>\n34. Introduction to 1000 Mb\/s baseband network
34.1 Overview
34.1.1 Reconciliation Sublayer (RS) and Gigabit Media Independent Interface (GMII) <\/td>\n<\/tr>\n
17<\/td>\n34.1.2 Physical Layer signaling systems
34.1.3 Repeater
34.1.4 Auto-Negotiation, type 1000BASE-X
34.1.5 Auto-Negotiation, type 1000BASE-T
34.1.6 Management
34.2 State diagrams <\/td>\n<\/tr>\n
18<\/td>\n34.3 Protocol implementation conformance statement (PICS) proforma <\/td>\n<\/tr>\n
19<\/td>\n35. Reconciliation Sublayer (RS) and Gigabit Media Independent Interface (GMII)
35.1 Overview <\/td>\n<\/tr>\n
20<\/td>\n35.1.1 Summary of major concepts
35.1.2 Application
35.1.3 Rate of operation
35.1.4 Allocation of functions <\/td>\n<\/tr>\n
21<\/td>\n35.2 Functional specifications
35.2.1 Mapping of GMII signals to PLS service primitives and Station Management
35.2.1.1 Mapping of PLS_DATA.request
35.2.1.1.1 Function
35.2.1.1.2 Semantics of the service primitive <\/td>\n<\/tr>\n
22<\/td>\n35.2.1.1.3 When generated
35.2.1.2 Mapping of PLS_DATA.indication
35.2.1.2.1 Function
35.2.1.2.2 Semantics of the service primitive
35.2.1.2.3 When generated
35.2.1.3 Mapping of PLS_CARRIER.indication
35.2.1.3.1 Function
35.2.1.3.2 Semantics of the service primitive <\/td>\n<\/tr>\n
23<\/td>\n35.2.1.3.3 When generated
35.2.1.4 Mapping of PLS_SIGNAL.indication
35.2.1.4.1 Function
35.2.1.4.2 Semantics of the service primitive
35.2.1.4.3 When generated
35.2.1.5 Response to error indications from GMII
35.2.1.6 Conditions for generation of TX_ER <\/td>\n<\/tr>\n
24<\/td>\n35.2.1.7 Mapping of PLS_DATA_VALID.indication
35.2.1.7.1 Function
35.2.1.7.2 Semantics of the service primitive
35.2.1.7.3 When generated
35.2.2 GMII signal functional specifications
35.2.2.1 GTX_CLK (1000 Mb\/s transmit clock)
35.2.2.2 RX_CLK (receive clock) <\/td>\n<\/tr>\n
25<\/td>\n35.2.2.3 TX_EN (transmit enable)
35.2.2.4 TXD (transmit data) <\/td>\n<\/tr>\n
26<\/td>\n35.2.2.5 TX_ER (transmit coding error) <\/td>\n<\/tr>\n
28<\/td>\n35.2.2.6 Transmit direction LPI transition <\/td>\n<\/tr>\n
29<\/td>\n35.2.2.7 RX_DV (receive data valid)
35.2.2.8 RXD (receive data) <\/td>\n<\/tr>\n
31<\/td>\n35.2.2.9 RX_ER (receive error) <\/td>\n<\/tr>\n
32<\/td>\n35.2.2.10 Receive direction LPI transition <\/td>\n<\/tr>\n
33<\/td>\n35.2.2.11 CRS (carrier sense)
35.2.2.12 COL (collision detected) <\/td>\n<\/tr>\n
34<\/td>\n35.2.2.13 MDC (management data clock)
35.2.2.14 MDIO (management data input\/output)
35.2.3 GMII data stream
35.2.3.1 Inter-frame <\/td>\n<\/tr>\n
35<\/td>\n35.2.3.2 Preamble and start of frame delimiter
35.2.3.2.1 Transmit case
35.2.3.2.2 Receive case <\/td>\n<\/tr>\n
36<\/td>\n35.2.3.3 Data
35.2.3.4 End-of-Frame delimiter
35.2.3.5 Carrier extension
35.2.3.6 Definition of Start of Packet and End of Packet Delimiters <\/td>\n<\/tr>\n
37<\/td>\n35.2.4 MAC delay constraints (with GMII)
35.2.5 Management functions
35.3 Signal mapping <\/td>\n<\/tr>\n
38<\/td>\n35.4 LPI Assertion and Detection <\/td>\n<\/tr>\n
39<\/td>\n35.4.1 LPI messages
35.4.2 Transmit LPI state diagram
35.4.2.1 Conventions
35.4.2.2 Variables and counters <\/td>\n<\/tr>\n
40<\/td>\n35.4.2.3 State diagram
35.4.3 Considerations for transmit system behavior
35.4.3.1 Considerations for receive system behavior
35.5 Electrical characteristics <\/td>\n<\/tr>\n
41<\/td>\n35.5.1 DC characteristics
35.5.2 AC characteristics
35.5.2.1 Signal Timing measurements <\/td>\n<\/tr>\n
42<\/td>\n35.5.2.2 GMII test circuit topology <\/td>\n<\/tr>\n
44<\/td>\n35.5.2.3 GMII ac specifications <\/td>\n<\/tr>\n
46<\/td>\n35.6 Protocol implementation conformance statement (PICS) proforma for Clause 35, Reconciliation Sublayer (RS) and Gigabit Media Independent Interface (GMII)
35.6.1 Introduction
35.6.2 Identification
35.6.2.1 Implementation identification
35.6.2.2 Protocol summary <\/td>\n<\/tr>\n
47<\/td>\n35.6.2.3 Major capabilities\/options
35.6.3 PICS proforma tables for reconciliation sublayer and Gigabit Media Independent Interface
35.6.3.1 Mapping of PLS service primitives
35.6.3.2 GMII signal functional specifications <\/td>\n<\/tr>\n
49<\/td>\n35.6.3.3 Data stream structure <\/td>\n<\/tr>\n
50<\/td>\n35.6.3.4 LPI functions
35.6.3.5 Delay constraints
35.6.3.6 Management functions
35.6.3.7 Electrical characteristics <\/td>\n<\/tr>\n
51<\/td>\n36. Physical Coding Sublayer (PCS) and Physical Medium Attachment (PMA) sublayer, type 1000BASE-X
36.1 Overview
36.1.1 Scope
36.1.2 Objectives
36.1.3 Relationship of 1000BASE-X to other standards <\/td>\n<\/tr>\n
52<\/td>\n36.1.4 Summary of 1000BASE-X sublayers
36.1.4.1 Physical Coding Sublayer (PCS)
36.1.4.2 Physical Medium Attachment (PMA) sublayer
36.1.4.3 Physical Medium Dependent (PMD) sublayer
36.1.5 Inter-sublayer interfaces <\/td>\n<\/tr>\n
53<\/td>\n36.1.6 Functional block diagram
36.1.7 State diagram conventions <\/td>\n<\/tr>\n
54<\/td>\n36.2 Physical Coding Sublayer (PCS)
36.2.1 PCS Interface (GMII) <\/td>\n<\/tr>\n
55<\/td>\n36.2.2 Functions within the PCS
36.2.3 Use of code-groups
36.2.4 8B\/10B transmission code <\/td>\n<\/tr>\n
56<\/td>\n36.2.4.1 Notation conventions
36.2.4.2 Transmission order <\/td>\n<\/tr>\n
57<\/td>\n36.2.4.3 Valid and invalid code-groups
36.2.4.4 Running disparity rules <\/td>\n<\/tr>\n
58<\/td>\n36.2.4.5 Generating code-groups
36.2.4.6 Checking the validity of received code-groups
36.2.4.7 Ordered sets <\/td>\n<\/tr>\n
63<\/td>\n36.2.4.7.1 Ordered set rules <\/td>\n<\/tr>\n
64<\/td>\n36.2.4.8 \/K28.5\/ code-group considerations
36.2.4.9 Comma considerations <\/td>\n<\/tr>\n
65<\/td>\n36.2.4.10 Configuration (\/C\/)
36.2.4.11 Data (\/D\/)
36.2.4.12 IDLE (\/I\/)
36.2.4.13 Low Power Idle (LPI) <\/td>\n<\/tr>\n
66<\/td>\n36.2.4.14 Start_of_Packet (SPD) delimiter
36.2.4.15 End_of_Packet delimiter (EPD)
36.2.4.15.1 EPD rules
36.2.4.16 Carrier_Extend (\/R\/) <\/td>\n<\/tr>\n
67<\/td>\n36.2.4.16.1 Carrier_Extend rules
36.2.4.17 Error_Propagation (\/V\/)
36.2.4.18 Encapsulation
36.2.4.19 Mapping between GMII, PCS and PMA <\/td>\n<\/tr>\n
68<\/td>\n36.2.5 Detailed functions and state diagrams
36.2.5.1 State variables
36.2.5.1.1 Notation conventions <\/td>\n<\/tr>\n
69<\/td>\n36.2.5.1.2 Constants
36.2.5.1.3 Variables <\/td>\n<\/tr>\n
73<\/td>\n36.2.5.1.4 Functions <\/td>\n<\/tr>\n
74<\/td>\n36.2.5.1.5 Counters
36.2.5.1.6 Messages <\/td>\n<\/tr>\n
76<\/td>\n36.2.5.1.7 Timers <\/td>\n<\/tr>\n
77<\/td>\n36.2.5.2 State diagrams
36.2.5.2.1 Transmit
36.2.5.2.2 Receive
36.2.5.2.3 State variable function carrier_detect(x) <\/td>\n<\/tr>\n
83<\/td>\n36.2.5.2.4 Code-group stream decoding
36.2.5.2.5 Carrier sense
36.2.5.2.6 Synchronization <\/td>\n<\/tr>\n
85<\/td>\n36.2.5.2.7 Auto-Negotiation process <\/td>\n<\/tr>\n
86<\/td>\n36.2.5.2.8 LPI state diagram <\/td>\n<\/tr>\n
87<\/td>\n36.2.5.2.9 LPI status and management
36.3 Physical Medium Attachment (PMA) sublayer
36.3.1 Service Interface
36.3.1.1 PMA_UNITDATA.request
36.3.1.1.1 Semantics of the service primitive <\/td>\n<\/tr>\n
88<\/td>\n36.3.1.1.2 When generated
36.3.1.1.3 Effect of receipt
36.3.1.2 PMA_UNITDATA.indication
36.3.1.2.1 Semantics of the service primitive
36.3.1.2.2 When generated
36.3.1.2.3 Effect of receipt
36.3.2 Functions within the PMA <\/td>\n<\/tr>\n
89<\/td>\n36.3.2.1 Data delay
36.3.2.2 PMA transmit function
36.3.2.3 PMA receive function
36.3.2.4 Code-group alignment
36.3.3 A physical instantiation of the PMA Service Interface <\/td>\n<\/tr>\n
91<\/td>\n36.3.3.1 Required signals <\/td>\n<\/tr>\n
92<\/td>\n36.3.3.2 Summary of control signal usage
36.3.4 General electrical characteristics of the TBI
36.3.4.1 DC characteristics <\/td>\n<\/tr>\n
93<\/td>\n36.3.4.2 Valid signal levels
36.3.4.3 Rise and fall time definition
36.3.4.4 Output load <\/td>\n<\/tr>\n
94<\/td>\n36.3.5 TBI transmit interface electrical characteristics
36.3.5.1 Transmit data (tx_code-group)
36.3.5.2 TBI transmit interface timing <\/td>\n<\/tr>\n
95<\/td>\n36.3.6 TBI receive interface electrical characteristics
36.3.6.1 Receive data (rx_code-group)
36.3.6.2 Receive clock (PMA_RX_CLK, PMA_RX_CLK)
36.3.7 Loopback mode <\/td>\n<\/tr>\n
96<\/td>\n36.3.7.1 Receiver considerations
36.3.7.2 Transmitter considerations
36.3.8 Test functions
36.4 Compatibility considerations <\/td>\n<\/tr>\n
97<\/td>\n36.5 Delay constraints
36.5.1 MDI to GMII delay constraints <\/td>\n<\/tr>\n
98<\/td>\n36.5.2 DTE delay constraints (half duplex mode)
36.5.3 Carrier deassertion\/assertion constraint (half duplex mode)
36.6 Environmental specifications <\/td>\n<\/tr>\n
99<\/td>\n36.7 Protocol implementation conformance statement (PICS) proforma for Clause 36, Physical Coding Sublayer (PCS) and Physical Medium Attachment (PMA) sublayer, type 1000BASE-X
36.7.1 Introduction
36.7.2 Identification
36.7.2.1 Implementation identification
36.7.2.2 Protocol summary <\/td>\n<\/tr>\n
100<\/td>\n36.7.3 Major capabilities\/options
36.7.4 PICS proforma tables for the PCS and PMA sublayer, type 1000BASE-X
36.7.4.1 Compatibility considerations <\/td>\n<\/tr>\n
101<\/td>\n36.7.4.2 Code-group functions
36.7.4.3 State diagrams <\/td>\n<\/tr>\n
102<\/td>\n36.7.4.4 PMA functions <\/td>\n<\/tr>\n
103<\/td>\n36.7.4.5 PMA transmit function
36.7.4.6 PMA code-group alignment function
36.7.4.7 TBI
36.7.4.8 Delay constraints <\/td>\n<\/tr>\n
104<\/td>\n36.7.4.9 LPI functions <\/td>\n<\/tr>\n
105<\/td>\n37. Auto-Negotiation function, type 1000BASE-X
37.1 Overview
37.1.1 Scope
37.1.2 Application perspective\/objectives <\/td>\n<\/tr>\n
106<\/td>\n37.1.3 Relationship to architectural layering
37.1.4 Compatibility considerations
37.1.4.1 Auto-Negotiation <\/td>\n<\/tr>\n
107<\/td>\n37.1.4.2 Management interface
37.1.4.2.1 GMII management interface
37.1.4.3 Interoperability between Auto-Negotiation compatible devices
37.1.4.4 User Configuration with Auto-Negotiation
37.2 Functional specifications
37.2.1 Config_Reg encoding
37.2.1.1 Base Page to management register mapping <\/td>\n<\/tr>\n
108<\/td>\n37.2.1.2 Full duplex
37.2.1.3 Half duplex
37.2.1.4 Pause <\/td>\n<\/tr>\n
109<\/td>\n37.2.1.5 Remote fault
37.2.1.5.1 No error, link OK
37.2.1.5.2 Offline <\/td>\n<\/tr>\n
110<\/td>\n37.2.1.5.3 Link_Failure
37.2.1.5.4 Auto-Negotiation_Error
37.2.1.6 Acknowledge
37.2.1.7 Next Page
37.2.2 Transmit function requirements
37.2.2.1 Transmit function to Auto-Negotiation process interface requirements <\/td>\n<\/tr>\n
111<\/td>\n37.2.3 Receive function requirements
37.2.3.1 Receive function to Auto-Negotiation process interface requirements
37.2.4 Arbitration process requirements
37.2.4.1 Renegotiation function
37.2.4.2 Priority resolution function <\/td>\n<\/tr>\n
112<\/td>\n37.2.4.3 Next Page function <\/td>\n<\/tr>\n
113<\/td>\n37.2.4.3.1 Next Page encodings
37.2.4.3.2 Next Page <\/td>\n<\/tr>\n
114<\/td>\n37.2.4.3.3 Acknowledge
37.2.4.3.4 Message page
37.2.4.3.5 Acknowledge 2
37.2.4.3.6 Toggle
37.2.4.3.7 Message page encoding
37.2.4.3.8 Message Code Field
37.2.4.3.9 Unformatted page encoding
37.2.4.3.10 Unformatted Code Field <\/td>\n<\/tr>\n
115<\/td>\n37.2.4.3.11 Use of Next Pages
37.2.4.3.12 Management register requirements
37.2.5 Management function requirements
37.2.5.1 Management registers
37.2.5.1.1 Control register (Register 0) <\/td>\n<\/tr>\n
116<\/td>\n37.2.5.1.2 Status register (Register 1)
37.2.5.1.3 AN advertisement register (Register 4) (R\/W)
37.2.5.1.4 AN link partner ability Base Page register (Register 5) (RO)
37.2.5.1.5 AN expansion register (Register 6) (RO) <\/td>\n<\/tr>\n
117<\/td>\n37.2.5.1.6 AN Next Page transmit register (Register 7)
37.2.5.1.7 AN link partner ability Next Page register (Register 8)
37.2.5.1.8 Extended status register (Register 15) <\/td>\n<\/tr>\n
118<\/td>\n37.2.5.1.9 State diagram variable to management register mapping
37.2.5.2 Auto-Negotiation managed object class
37.2.6 Absence of management function
37.3 Detailed functions and state diagrams <\/td>\n<\/tr>\n
119<\/td>\n37.3.1 State diagram variables
37.3.1.1 Variables <\/td>\n<\/tr>\n
122<\/td>\n37.3.1.2 Functions <\/td>\n<\/tr>\n
123<\/td>\n37.3.1.3 Messages
37.3.1.4 Timers
37.3.1.5 State diagrams <\/td>\n<\/tr>\n
124<\/td>\n37.4 Environmental specifications <\/td>\n<\/tr>\n
125<\/td>\n37.5 Protocol implementation conformance statement (PICS) proforma for Clause 37, Auto-Negotiation function, type 1000BASE-X
37.5.1 Introduction
37.5.2 Identification
37.5.2.1 Implementation identification
37.5.2.2 Protocol summary <\/td>\n<\/tr>\n
126<\/td>\n37.5.3 Major capabilities\/options
37.5.4 PICS proforma tables for the Auto-Negotiation function, type 1000BASE-X
37.5.4.1 Compatibility considerations
37.5.4.2 Auto-Negotiation functions
37.5.4.2.1 Config_Reg <\/td>\n<\/tr>\n
127<\/td>\n37.5.4.2.2 Remote Fault functions
37.5.4.2.3 AN transmit functions
37.5.4.2.4 AN receive functions
37.5.4.2.5 Priority resolution functions <\/td>\n<\/tr>\n
128<\/td>\n37.5.4.2.6 Next Page functions
37.5.4.2.7 Management registers <\/td>\n<\/tr>\n
129<\/td>\n38. Physical Medium Dependent (PMD) sublayer and baseband medium, type 1000BASE-LX (long wavelength laser) and 1000BASE-SX (short wavelength laser)
38.1 Overview
38.1.1 Physical Medium Dependent (PMD) sublayer service interface
38.1.1.1 PMD_UNITDATA.request
38.1.1.1.1 Semantics of the service primitive
38.1.1.1.2 When generated
38.1.1.1.3 Effect of receipt <\/td>\n<\/tr>\n
130<\/td>\n38.1.1.2 PMD_UNITDATA.indication
38.1.1.2.1 Semantics of the service primitive
38.1.1.2.2 When generated
38.1.1.2.3 Effect of receipt
38.1.1.3 PMD_SIGNAL.indication
38.1.1.3.1 Semantics of the service primitive
38.1.1.3.2 When generated
38.1.1.3.3 Effect of receipt
38.1.2 Medium Dependent Interface (MDI) <\/td>\n<\/tr>\n
131<\/td>\n38.2 PMD functional specifications
38.2.1 PMD block diagram
38.2.2 PMD transmit function
38.2.3 PMD receive function <\/td>\n<\/tr>\n
132<\/td>\n38.2.4 PMD signal detect function
38.3 PMD to MDI optical specifications for 1000BASE-SX <\/td>\n<\/tr>\n
133<\/td>\n38.3.1 Transmitter optical specifications <\/td>\n<\/tr>\n
134<\/td>\n38.3.2 Receive optical specifications
38.3.3 Worst-case 1000BASE-SX link power budget and penalties (informative) <\/td>\n<\/tr>\n
135<\/td>\n38.4 PMD to MDI optical specifications for 1000BASE-LX
38.4.1 Transmitter optical specifications <\/td>\n<\/tr>\n
136<\/td>\n38.4.2 Receive optical specifications <\/td>\n<\/tr>\n
137<\/td>\n38.4.3 Worst-case 1000BASE-LX link power budget and penalties (informative)
38.5 Jitter specifications for 1000BASE-SX and 1000BASE-LX <\/td>\n<\/tr>\n
138<\/td>\n38.6 Optical measurement requirements
38.6.1 Center wavelength and spectral width measurements
38.6.2 Optical power measurements
38.6.3 Extinction ratio measurements
38.6.4 Relative Intensity Noise (RIN) <\/td>\n<\/tr>\n
139<\/td>\n38.6.5 Transmitter optical waveform (transmit eye)
38.6.6 Transmit rise\/fall characteristics <\/td>\n<\/tr>\n
140<\/td>\n38.6.7 Receive sensitivity measurements
38.6.8 Total jitter measurements <\/td>\n<\/tr>\n
141<\/td>\n38.6.9 Deterministic jitter measurement (informative)
38.6.10 Coupled Power Ratio (CPR) measurements
38.6.11 Conformance test signal at TP3 for receiver testing <\/td>\n<\/tr>\n
143<\/td>\n38.6.12 Measurement of the receiver 3 dB electrical upper cutoff frequency <\/td>\n<\/tr>\n
144<\/td>\n38.7 Environmental specifications
38.7.1 General safety
38.7.2 Laser safety
38.7.3 Installation
38.8 Environment
38.8.1 Electromagnetic emission <\/td>\n<\/tr>\n
145<\/td>\n38.8.2 Temperature, humidity, and handling
38.9 PMD labeling requirements
38.10 Fiber optic cabling model
38.11 Characteristics of the fiber optic cabling <\/td>\n<\/tr>\n
146<\/td>\n38.11.1 Optical fiber and cable
38.11.2 Optical fiber connection
38.11.2.1 Connection insertion loss <\/td>\n<\/tr>\n
147<\/td>\n38.11.2.2 Connection return loss
38.11.3 Medium Dependent Interface (MDI) <\/td>\n<\/tr>\n
148<\/td>\n38.11.4 Single-mode fiber offset-launch mode-conditioning patch cord for MMF operation of 1000BASE-LX <\/td>\n<\/tr>\n
150<\/td>\n38.12 Protocol implementation conformance statement (PICS) proforma for Clause 38, Physical Medium Dependent (PMD) sublayer and baseband medium, type 1000BASE-LX (Long Wavelength Laser) and 1000BASE-SX (Short Wavelength Laser)
38.12.1 Introduction
38.12.2 Identification
38.12.2.1 Implementation identification
38.12.2.2 Protocol summary <\/td>\n<\/tr>\n
151<\/td>\n38.12.3 Major capabilities\/options <\/td>\n<\/tr>\n
152<\/td>\n38.12.4 PICS proforma tables for Physical Medium Dependent (PMD) sublayer and baseband medium, type 1000BASE-LX (Long Wavelength Laser) and 1000BASE-SX (Short Wavelength Laser)
38.12.4.1 PMD functional specifications
38.12.4.2 PMD to MDI optical specifications for 1000BASE-SX <\/td>\n<\/tr>\n
153<\/td>\n38.12.4.3 PMD to MDI optical specifications for 1000BASE-LX
38.12.4.4 Jitter specifications
38.12.4.5 Optical measurement requirements <\/td>\n<\/tr>\n
156<\/td>\n38.12.4.6 Characteristics of the fiber optic cabling <\/td>\n<\/tr>\n
157<\/td>\n39. Physical Medium Dependent (PMD) sublayer and baseband medium, type 1000BASE-CX (short-haul copper)
39.1 Overview
39.2 Functional specifications
39.2.1 PMD transmit function
39.2.2 PMD receive function
39.2.3 PMD signal detect function <\/td>\n<\/tr>\n
158<\/td>\n39.3 PMD to MDI electrical specifications <\/td>\n<\/tr>\n
159<\/td>\n39.3.1 Transmitter electrical specifications <\/td>\n<\/tr>\n
161<\/td>\n39.3.2 Receiver electrical specifications <\/td>\n<\/tr>\n
162<\/td>\n39.3.3 Jitter specifications for 1000BASE-CX <\/td>\n<\/tr>\n
163<\/td>\n39.4 Jumper cable assembly characteristics
39.4.1 Compensation networks
39.4.2 Shielding
39.5 MDI specification <\/td>\n<\/tr>\n
164<\/td>\n39.5.1 MDI connectors
39.5.1.1 Style-1 connector specification <\/td>\n<\/tr>\n
165<\/td>\n39.5.1.2 Style-2 connector specification <\/td>\n<\/tr>\n
166<\/td>\n39.5.1.3 Style-2 connector example drawing (informative)
39.5.2 Crossover function <\/td>\n<\/tr>\n
167<\/td>\n39.6 Electrical measurement requirements
39.6.1 Transmit rise\/fall time
39.6.2 Transmit skew measurement
39.6.3 Transmit eye (normalized and absolute)
39.6.4 Through_connection impedance
39.6.5 Jumper cable intra-pair differential skew <\/td>\n<\/tr>\n
168<\/td>\n39.6.6 Receiver link signal
39.6.7 Near-End Cross Talk (NEXT)
39.6.8 Differential time-domain reflectometry (TDR) measurement procedure
39.6.8.1 Driving waveform <\/td>\n<\/tr>\n
169<\/td>\n39.6.8.2 Calibration of the test setup
39.7 Environmental specifications <\/td>\n<\/tr>\n
170<\/td>\n39.8 Protocol implementation conformance statement (PICS) proforma for Clause 39, Physical Medium Dependent (PMD) sublayer and baseband medium, type 1000BASE-CX
39.8.1 Introduction
39.8.2 Identification
39.8.2.1 Implementation identification
39.8.2.2 Protocol summary <\/td>\n<\/tr>\n
171<\/td>\n39.8.3 Major capabilities\/options
39.8.4 PICS proforma tables for Physical Medium Dependent (PMD) sublayer and baseband medium, type 1000BASE-CX (short-haul copper)
39.8.4.1 PMD functional specifications <\/td>\n<\/tr>\n
172<\/td>\n39.8.4.2 PMD to MDI electrical specifications <\/td>\n<\/tr>\n
173<\/td>\n39.8.4.3 Jumper cable assembly characteristics <\/td>\n<\/tr>\n
174<\/td>\n39.8.4.4 Other requirements <\/td>\n<\/tr>\n
175<\/td>\n40. Physical Coding Sublayer (PCS), Physical Medium Attachment (PMA) sublayer and baseband medium, type 1000BASE-T
40.1 Overview
40.1.1 Objectives
40.1.2 Relationship of 1000BASE-T to other standards <\/td>\n<\/tr>\n
176<\/td>\n40.1.3 Operation of 1000BASE-T <\/td>\n<\/tr>\n
179<\/td>\n40.1.3.1 Physical Coding Sublayer (PCS)
40.1.3.2 Physical Medium Attachment (PMA) sublayer <\/td>\n<\/tr>\n
180<\/td>\n40.1.4 Signaling <\/td>\n<\/tr>\n
181<\/td>\n40.1.5 Inter-sublayer interfaces
40.1.6 Conventions in this clause
40.2 1000BASE-T Service Primitives and Interfaces
40.2.1 Technology-Dependent Interface
40.2.1.1 PMA_LINK.request
40.2.1.1.1 Semantics of the primitive <\/td>\n<\/tr>\n
182<\/td>\n40.2.1.1.2 When generated
40.2.1.1.3 Effect of receipt
40.2.1.2 PMA_LINK.indication
40.2.1.2.1 Semantics of the primitive
40.2.1.2.2 When generated
40.2.1.2.3 Effect of receipt
40.2.2 PMA Service Interface <\/td>\n<\/tr>\n
184<\/td>\n40.2.3 PMA_TXMODE.indication
40.2.3.1 Semantics of the primitive <\/td>\n<\/tr>\n
185<\/td>\n40.2.3.2 When generated
40.2.3.3 Effect of receipt
40.2.4 PMA_CONFIG.indication
40.2.4.1 Semantics of the primitive
40.2.4.2 When generated
40.2.4.3 Effect of receipt
40.2.5 PMA_UNITDATA.request
40.2.5.1 Semantics of the primitive <\/td>\n<\/tr>\n
186<\/td>\n40.2.5.2 When generated
40.2.5.3 Effect of receipt
40.2.6 PMA_UNITDATA.indication
40.2.6.1 Semantics of the primitive
40.2.6.2 When generated
40.2.6.3 Effect of receipt <\/td>\n<\/tr>\n
187<\/td>\n40.2.7 PMA_SCRSTATUS.request
40.2.7.1 Semantics of the primitive
40.2.7.2 When generated
40.2.7.3 Effect of receipt
40.2.8 PMA_RXSTATUS.indication
40.2.8.1 Semantics of the primitive
40.2.8.2 When generated
40.2.8.3 Effect of receipt <\/td>\n<\/tr>\n
188<\/td>\n40.2.9 PMA_REMRXSTATUS.request
40.2.9.1 Semantics of the primitive
40.2.9.2 When generated
40.2.9.3 Effect of receipt
40.2.10 PMA_RESET.indication
40.2.10.1 When generated
40.2.10.2 Effect of receipt
40.2.11 PMA_LPIMODE.indication
40.2.11.1 Semantics of the primitive <\/td>\n<\/tr>\n
189<\/td>\n40.2.11.2 When generated
40.2.11.3 Effect of receipt
40.2.12 PMA_LPIREQ.request
40.2.12.1 Semantics of the primitive
40.2.12.2 When generated
40.2.12.3 Effect of receipt
40.2.13 PMA_REMLPIREQ.request
40.2.13.1 Semantics of the primitive <\/td>\n<\/tr>\n
190<\/td>\n40.2.13.2 When generated
40.2.13.3 Effect of receipt
40.2.14 PMA_UPDATE.indication
40.2.14.1 Semantics of the primitive
40.2.14.2 When generated
40.2.14.3 Effect of receipt
40.2.15 PMA_REMUPDATE.request
40.2.15.1 Semantics of the primitive <\/td>\n<\/tr>\n
191<\/td>\n40.2.15.2 When generated
40.2.15.3 Effect of receipt
40.3 Physical Coding Sublayer (PCS) <\/td>\n<\/tr>\n
192<\/td>\n40.3.1 PCS functions
40.3.1.1 PCS Reset function <\/td>\n<\/tr>\n
193<\/td>\n40.3.1.2 PCS Data Transmission Enable
40.3.1.3 PCS Transmit function <\/td>\n<\/tr>\n
194<\/td>\n40.3.1.3.1 Side-stream scrambler polynomials <\/td>\n<\/tr>\n
195<\/td>\n40.3.1.3.2 Generation of bits Sxn[3:0], Syn[3:0], and Sgn[3:0] <\/td>\n<\/tr>\n
196<\/td>\n40.3.1.3.3 Generation of bits Scn[7:0] <\/td>\n<\/tr>\n
197<\/td>\n40.3.1.3.4 Generation of bits Sdn[8:0] <\/td>\n<\/tr>\n
198<\/td>\n40.3.1.3.5 Generation of quinary symbols TAn, TBn, TCn, TDn <\/td>\n<\/tr>\n
205<\/td>\n40.3.1.3.6 Generation of An, Bn, Cn, Dn <\/td>\n<\/tr>\n
206<\/td>\n40.3.1.4 PCS Receive function
40.3.1.4.1 Decoding of code-groups <\/td>\n<\/tr>\n
207<\/td>\n40.3.1.4.2 Receiver descrambler polynomials
40.3.1.5 PCS Carrier Sense function
40.3.1.6 PCS Local LPI Request function <\/td>\n<\/tr>\n
208<\/td>\n40.3.2 Stream structure
40.3.3 State variables
40.3.3.1 Variables <\/td>\n<\/tr>\n
211<\/td>\n40.3.3.2 Functions <\/td>\n<\/tr>\n
212<\/td>\n40.3.3.3 Timer
40.3.3.4 Messages <\/td>\n<\/tr>\n
213<\/td>\n40.3.4 State diagrams <\/td>\n<\/tr>\n
218<\/td>\n40.3.4.1 Supplement to state diagram <\/td>\n<\/tr>\n
219<\/td>\n40.4 Physical Medium Attachment (PMA) sublayer
40.4.1 PMA functional specifications <\/td>\n<\/tr>\n
220<\/td>\n40.4.2 PMA functions
40.4.2.1 PMA Reset function
40.4.2.2 PMA Transmit function
40.4.2.3 PMA Receive function <\/td>\n<\/tr>\n
221<\/td>\n40.4.2.4 PHY Control function <\/td>\n<\/tr>\n
222<\/td>\n40.4.2.5 Link Monitor function <\/td>\n<\/tr>\n
223<\/td>\n40.4.2.6 Clock Recovery function
40.4.3 MDI
40.4.3.1 MDI signals transmitted by the PHY
40.4.3.2 Signals received at the MDI
40.4.4 Automatic MDI\/MDI-X Configuration
40.4.4.1 Description of Automatic MDI\/MDI-X state diagram <\/td>\n<\/tr>\n
224<\/td>\n40.4.4.2 Pseudo-random sequence generator
40.4.5 State variables
40.4.5.1 State diagram variables <\/td>\n<\/tr>\n
227<\/td>\n40.4.5.2 Timers <\/td>\n<\/tr>\n
229<\/td>\n40.4.6 State Diagrams
40.4.6.1 PHY Control state diagram <\/td>\n<\/tr>\n
231<\/td>\n40.4.6.2 Link Monitor state diagram <\/td>\n<\/tr>\n
232<\/td>\n40.4.6.2.1 Auto Crossover state diagram
40.5 Management interface
40.5.1 Support for Auto-Negotiation <\/td>\n<\/tr>\n
233<\/td>\n40.5.1.1 1000BASE-T use of registers during Auto-Negotiation <\/td>\n<\/tr>\n
235<\/td>\n40.5.1.2 1000BASE-T Auto-Negotiation page use
40.5.1.3 Sending Next Pages <\/td>\n<\/tr>\n
237<\/td>\n40.5.2 MASTER-SLAVE configuration resolution <\/td>\n<\/tr>\n
239<\/td>\n40.6 PMA electrical specifications
40.6.1 PMA-to-MDI interface tests
40.6.1.1 Isolation requirement
40.6.1.1.1 Test channel <\/td>\n<\/tr>\n
240<\/td>\n40.6.1.1.2 Test modes <\/td>\n<\/tr>\n
244<\/td>\n40.6.1.1.3 Test Fixtures <\/td>\n<\/tr>\n
247<\/td>\n40.6.1.2 Transmitter electrical specifications
40.6.1.2.1 Peak differential output voltage and level accuracy
40.6.1.2.2 Maximum output droop
40.6.1.2.3 Differential output templates <\/td>\n<\/tr>\n
255<\/td>\n40.6.1.2.4 Transmitter distortion <\/td>\n<\/tr>\n
257<\/td>\n40.6.1.2.5 Transmitter timing jitter <\/td>\n<\/tr>\n
258<\/td>\n40.6.1.2.6 Transmit clock frequency
40.6.1.2.7 Transmitter operation following a transition from the QUIET to the WAKE state
40.6.1.3 Receiver electrical specifications
40.6.1.3.1 Receiver differential input signals
40.6.1.3.2 Receiver frequency tolerance <\/td>\n<\/tr>\n
259<\/td>\n40.6.1.3.3 Common-mode noise rejection
40.6.1.3.4 Alien Crosstalk noise rejection <\/td>\n<\/tr>\n
260<\/td>\n40.6.1.3.5 Signal_detect
40.7 Link segment characteristics
40.7.1 Cabling system characteristics <\/td>\n<\/tr>\n
261<\/td>\n40.7.2 Link transmission parameters
40.7.2.1 Insertion loss
40.7.2.2 Differential characteristic impedance
40.7.2.3 Return loss
40.7.3 Coupling parameters <\/td>\n<\/tr>\n
262<\/td>\n40.7.3.1 Near-End Crosstalk (NEXT)
40.7.3.1.1 Differential Near-End Crosstalk
40.7.3.2 Far-End Crosstalk (FEXT)
40.7.3.2.1 Equal Level Far-End Crosstalk (ELFEXT) loss
40.7.3.2.2 Multiple Disturber Equal Level Far-End Crosstalk (MDELFEXT) loss <\/td>\n<\/tr>\n
263<\/td>\n40.7.3.2.3 Multiple-Disturber Power Sum Equal Level Far-End Crosstalk (PSELFEXT) loss
40.7.4 Delay
40.7.4.1 Maximum link delay
40.7.4.2 Link delay skew
40.7.5 Noise environment <\/td>\n<\/tr>\n
264<\/td>\n40.7.6 External coupled noise
40.8 MDI specification
40.8.1 MDI connectors <\/td>\n<\/tr>\n
265<\/td>\n40.8.2 Crossover function <\/td>\n<\/tr>\n
266<\/td>\n40.8.3 MDI electrical specifications
40.8.3.1 MDI return loss
40.8.3.2 MDI impedance balance <\/td>\n<\/tr>\n
267<\/td>\n40.8.3.3 MDI common-mode output voltage
40.8.3.4 MDI fault tolerance <\/td>\n<\/tr>\n
268<\/td>\n40.9 Environmental specifications
40.9.1 General safety
40.9.2 Network safety
40.9.2.1 Installation <\/td>\n<\/tr>\n
269<\/td>\n40.9.2.2 Installation and maintenance guidelines
40.9.2.3 Telephony voltages
40.9.3 Environment
40.9.3.1 Electromagnetic emission
40.9.3.2 Temperature and humidity
40.10 PHY labeling <\/td>\n<\/tr>\n
270<\/td>\n40.11 Delay constraints
40.11.1 MDI to GMII delay constraints <\/td>\n<\/tr>\n
271<\/td>\n40.11.2 DTE delay constraints (half duplex only)
40.11.3 Carrier de-assertion\/assertion constraint (half duplex mode) <\/td>\n<\/tr>\n
272<\/td>\n40.12 Protocol implementation conformance statement (PICS) proforma for Clause 40\u2014Physical coding sublayer (PCS), physical medium attachment (PMA) sublayer and baseband medium, type 1000BASE-T
40.12.1 Identification
40.12.1.1 Implementation identification
40.12.1.2 Protocol summary
40.12.2 Major capabilities\/options <\/td>\n<\/tr>\n
273<\/td>\n40.12.3 Clause conventions
40.12.4 Physical Coding Sublayer (PCS) <\/td>\n<\/tr>\n
276<\/td>\n40.12.4.1 PCS receive functions
40.12.4.2 Other PCS functions <\/td>\n<\/tr>\n
277<\/td>\n40.12.5 Physical Medium Attachment (PMA) <\/td>\n<\/tr>\n
279<\/td>\n40.12.6 Management interface <\/td>\n<\/tr>\n
280<\/td>\n40.12.6.1 1000BASE-T Specific Auto-Negotiation Requirements <\/td>\n<\/tr>\n
281<\/td>\n40.12.7 PMA Electrical Specifications <\/td>\n<\/tr>\n
288<\/td>\n40.12.8 Characteristics of the link segment <\/td>\n<\/tr>\n
289<\/td>\n40.12.9 MDI requirements <\/td>\n<\/tr>\n
291<\/td>\n40.12.10 General safety and environmental requirements
40.12.11 Timing requirements <\/td>\n<\/tr>\n
292<\/td>\n41. Repeater for 1000 Mb\/s baseband networks
41.1 Overview
41.1.1 Scope
41.1.1.1 Repeater set <\/td>\n<\/tr>\n
293<\/td>\n41.1.1.2 Repeater unit
41.1.2 Application perspective
41.1.2.1 Objectives
41.1.2.2 Compatibility considerations
41.1.2.2.1 Internal segment compatibility
41.1.3 Relationship to PHY
41.2 Repeater functional specifications <\/td>\n<\/tr>\n
294<\/td>\n41.2.1 Repeater functions
41.2.1.1 Signal restoration functional requirements
41.2.1.1.1 Signal amplification
41.2.1.1.2 Signal wave-shape restoration <\/td>\n<\/tr>\n
295<\/td>\n41.2.1.1.3 Signal retiming
41.2.1.2 Data-handling functional requirements
41.2.1.2.1 Data frame forwarding
41.2.1.2.2 Received code violations
41.2.1.3 Received event-handling functional requirements
41.2.1.3.1 Received event handling
41.2.1.3.2 Preamble regeneration
41.2.1.3.3 Start-of-packet propagation delay <\/td>\n<\/tr>\n
296<\/td>\n41.2.1.3.4 Start-of-packet variability
41.2.1.4 Collision-handling functional requirements
41.2.1.4.1 Collision detection
41.2.1.4.2 Jam generation
41.2.1.4.3 Start-of-collision-jam propagation delay
41.2.1.4.4 Cessation-of-collision Jam propagation delay
41.2.1.5 Error-handling functional requirements
41.2.1.5.1 Carrier integrity functional requirements <\/td>\n<\/tr>\n
297<\/td>\n41.2.1.5.2 Speed handling
41.2.1.6 Partition functional requirements <\/td>\n<\/tr>\n
298<\/td>\n41.2.1.7 Receive jabber functional requirements
41.2.2 Detailed repeater functions and state diagrams <\/td>\n<\/tr>\n
299<\/td>\n41.2.2.1 State diagram variables
41.2.2.1.1 Constants
41.2.2.1.2 Variables <\/td>\n<\/tr>\n
300<\/td>\n41.2.2.1.3 Functions
41.2.2.1.4 Timers <\/td>\n<\/tr>\n
301<\/td>\n41.2.2.1.5 Counters
41.2.2.1.6 Port designation <\/td>\n<\/tr>\n
302<\/td>\n41.2.2.2 State diagrams <\/td>\n<\/tr>\n
306<\/td>\n41.3 Repeater electrical specifications
41.3.1 Electrical isolation
41.4 Environmental specifications
41.4.1 General safety
41.4.2 Network safety
41.4.2.1 Installation
41.4.2.2 Grounding <\/td>\n<\/tr>\n
307<\/td>\n41.4.2.3 Installation and maintenance guidelines
41.4.3 Electrical isolation
41.4.3.1 Environment A requirements
41.4.3.2 Environment B requirements
41.4.4 Reliability <\/td>\n<\/tr>\n
308<\/td>\n41.4.5 Environment
41.4.5.1 Electromagnetic emission
41.4.5.2 Temperature and humidity
41.5 Repeater labeling
41.6 Protocol implementation conformance statement (PICS) proforma for Clause 41, Repeater for 1000 Mb\/s baseband networks
41.6.1 Introduction <\/td>\n<\/tr>\n
309<\/td>\n41.6.2 Identification
41.6.2.1 Implementation identification
41.6.2.2 Protocol summary
41.6.3 Major capabilities\/options <\/td>\n<\/tr>\n
310<\/td>\n41.6.4 PICS proforma tables for the Repeater for 1000 Mb\/s baseband networks
41.6.4.1 Compatibility considerations
41.6.4.2 Repeater functions <\/td>\n<\/tr>\n
311<\/td>\n41.6.4.3 Signal restoration function
41.6.4.4 Data-Handling function <\/td>\n<\/tr>\n
312<\/td>\n41.6.4.5 Receive Event-Handling function
41.6.4.6 Collision-Handling function <\/td>\n<\/tr>\n
313<\/td>\n41.6.4.7 Error-Handling function <\/td>\n<\/tr>\n
314<\/td>\n41.6.4.8 Partition function
41.6.4.9 Receive Jabber function <\/td>\n<\/tr>\n
315<\/td>\n41.6.4.10 Repeater state diagrams
41.6.4.11 Repeater electrical <\/td>\n<\/tr>\n
316<\/td>\n41.6.4.12 Repeater labeling <\/td>\n<\/tr>\n
317<\/td>\n42. System considerations for multisegment 1000 Mb\/s networks
42.1 Overview <\/td>\n<\/tr>\n
318<\/td>\n42.1.1 Single collision domain multisegment networks <\/td>\n<\/tr>\n
319<\/td>\n42.1.2 Repeater usage
42.2 Transmission System Model 1
42.3 Transmission System Model 2 <\/td>\n<\/tr>\n
320<\/td>\n42.3.1 Round-trip collision delay <\/td>\n<\/tr>\n
321<\/td>\n42.3.1.1 Worst-case path delay value (PDV) selection
42.3.1.2 Worst-case PDV calculation <\/td>\n<\/tr>\n
323<\/td>\n42.4 Full duplex 1000 Mb\/s topology limitations <\/td>\n<\/tr>\n
324<\/td>\n43. Content moved to IEEE Std 802.1AX-2008 <\/td>\n<\/tr>\n
325<\/td>\nAnnex 36A (informative) Jitter test patterns
36A.1 High-frequency test pattern
36A.2 Low-frequency test pattern
36A.3 Mixed frequency test pattern
36A.4 Long continuous random test pattern <\/td>\n<\/tr>\n
326<\/td>\n36A.5 Short continuous random test pattern <\/td>\n<\/tr>\n
328<\/td>\nAnnex 36B (informative) 8B\/10B transmission code running disparity calculation examples <\/td>\n<\/tr>\n
330<\/td>\nAnnex 38A (informative) Fiber launch conditions
38A.1 Overfilled Launch
38A.2 Radial Overfilled Launch (ROFL) <\/td>\n<\/tr>\n
331<\/td>\nAnnex 40A (informative) Additional cabling design guidelines
40A.1 Alien crosstalk
40A.1.1 Multipair cabling (i.e., greater than 4-pair)
40A.1.2 Bundled or hybrid cable configurations
40A.2 Cabling configurations <\/td>\n<\/tr>\n
333<\/td>\nAnnex 40B (informative) Description of cable clamp <\/td>\n<\/tr>\n
335<\/td>\n40B.1 Cable clamp validation <\/td>\n<\/tr>\n
337<\/td>\nAnnex 40C (informative) Add-on interface for additional Next Pages <\/td>\n<\/tr>\n
339<\/td>\n40C.1 State variables
40C.2 State diagrams
40C.2.1 Auto-Negotiation Transmit state diagram add-on for 1000BASE-T <\/td>\n<\/tr>\n
342<\/td>\n40C.2.2 Auto-Negotiation Receive state diagram add-on for 1000BASE-T <\/td>\n<\/tr>\n
344<\/td>\nAnnex 43A
Annex 43A is no longer in use. <\/td>\n<\/tr>\n
345<\/td>\nAnnex 43B
Annex 43B is no longer in use. <\/td>\n<\/tr>\n
346<\/td>\nAnnex 43C
Annex 43C is no longer in use. <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

IEEE Standard for Ethernet<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
IEEE<\/b><\/a><\/td>\n2015<\/td>\n346<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":398304,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2644],"product_tag":[],"class_list":{"0":"post-398296","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ieee","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/398296","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/398304"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=398296"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=398296"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=398296"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}