ELECTRICITY METERING - DATA EXCHANGE FOR METER READING, TARIFF AND LOAD CONTROL - PART 41: DATA EXCHANGE USING WIDE AREA NETWORKS: PUBLIC SWITCHED TELEPHONE NETWORK (PSTN) WITH LINK+ PROTOCOL
International Electrotechnical Committee
Foreword<br>1 General<br> 1.1 Scope<br> 1.2 Normative references<br>2 General description<br> 2.1 Basic vocabulary<br> 2.2 Layers and protocols<br> 2.3 Specification language<br>3 Physical layer<br> 3.1 Physical+ protocol<br> 3.2 V.24/V.28 environment<br> 3.3 Automatic call/answer: V.25/V.25bis environment<br> 3.4 General information<br> 3.5 Timing diagram: half-duplex mode<br> 3.6 Timing diagram: full-duplex mode<br> 3.7 Physical services and service primitives<br> 3.8 Physical parameters<br> 3.9 State transitions: half-duplex mode<br> 3.10 State transitions: full-duplex mode<br> 3.11 List and processing or errors<br>4 Data Link layer<br> 4.1 Link+ protocol<br> 4.2 General information<br> 4.3 'Send and wait' procedure<br> 4.4 Data link services and service primitives<br> 4.5 Frame description<br> 4.6 Data integrity and transmission efficiency<br> 4.7 Management of exchanges<br> 4.8 Data link parameters<br> 4.9 State transitions<br> 4.10 List and processing of errors<br>5 Application layer<br> 5.1 Transport sublayer<br> 5.2 Application sublayer<br>Annex A (normative) Specification language<br>Annex B (normative) List of fatal errors<br>Annex C (informative) Profiles <br>Annex D (normative) Principle of the cyclical redundancy <br> check (CRC)<br>Annex E (informative) Data integrity<br>Annex F (informative) Transmission efficiency
Gives a description of a three layer data exchange architecture that is used for communication with large industrial and commercial customer's metering equipment (particularly aimed at the remote reading of these meters for billing purposes).
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 13 |
