ACCESS AND TERMINALS (AT); ANALOGUE ACCESS TO THE PUBLIC SWITCHED TELEPHONE NETWORK (PSTN); PROTOCOL OVER THE LOCAL LOOP FOR DISPLAY AND RELATED SERVICES; TERMINAL EQUIPMENT REQUIREMENTS; PART 2: OFF-HOOK DATA TRANSMISSION

Available format(s)

Hardcopy , PDF

Language(s)

English

Publisher

European Telecommunications Standards Institute

Intellectual Property Rights
Foreword
1 Scope
2 References
3 Definitions and abbreviations
  3.1 Definitions
  3.2 Abbreviations
4 Physical layer requirements
  4.1 Loop state
  4.2 Data transmission
  4.3 Timer requirements
  4.4 Data signals
5 Datalink layer
  5.1 Channel seizure
  5.2 Mark signal
  5.3 Message type
  5.4 Message length
  5.5 Checksum
  5.6 Incorrect checksum
6 Presentation layer - message interpretation
7 Safety
8 ElectroMagnetic Compatibility (EMC)
History

Describes the electrical characteristics and the functional characteristics for Terminal Equipment (TE) for connection to the Network Termination Point (NTP) of a Public Switched Telephone Network (PSTN) interface providing a protocol over the local loop for display services, based on the protocols defined in EN 300 659-2 [1] and EN 300 659-3 [4].

Committee	AT FEATURES
DevelopmentNote	1.2.1 is a withdrawn version. (02/2003)
DocumentType	Standard
Pages	10
PublisherName	European Telecommunications Standards Institute
Status	Current

Standards	Relationship
DIN EN 300778-2:2001-12	Identical
NEN EN 300778-2 : 2001	Identical
NBN EN 300 778-2 : V1.1.1	Identical

ES 200 778-3 : 1.1.2	ACCESS AND TERMINALS (AT); ANALOGUE ACCESS TO THE PUBLIC SWITCHED TELEPHONE NETWORK (PSTN); PROTOCOL OVER THE LOCAL LOOP FOR DISPLAY AND RELATED SERVICES; TERMINAL EQUIPMENT REQUIREMENTS; PART 3: PROTOCOL IMPLEMENTATION CONFORMANCE STATEMENT (PICS) PROFORMA SPECIFICATION ON-HOOK AND OFF-HOOK
ES 201 912 : 1.2.1	ACCESS AND TERMINALS (AT); SHORT MESSAGE SERVICE (SMS) FOR PSTN/ISDN; SHORT MESSAGE COMMUNICATION BETWEEN A FIXED NETWORK SHORT MESSAGE TERMINAL EQUIPMENT AND A SHORT MESSAGE SERVICE CENTRE
ES 200 778-5 : 1.1.2	ACCESS AND TERMINALS (AT); ANALOGUE ACCESS TO THE PUBLIC SWITCHED TELEPHONE NETWORK (PSTN); PROTOCOL OVER THE LOCAL LOOP FOR DISPLAY AND RELATED SERVICES; TERMINAL EQUIPMENT REQUIREMENTS; PART 5: ABSTRACT TEST SUITE (ATS) AND PARTIAL PROTOCOL IMPLEMENTATION EXTRA INFORMATION FOR TESTING (PIXIT) PROFORMA SPECIFICATION FOR THE USER; ON-HOOK AND OFF-HOOK

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EN 300 778-2 : 1.2.1

ACCESS AND TERMINALS (AT); ANALOGUE ACCESS TO THE PUBLIC SWITCHED TELEPHONE NETWORK (PSTN); PROTOCOL OVER THE LOCAL LOOP FOR DISPLAY AND RELATED SERVICES; TERMINAL EQUIPMENT REQUIREMENTS; PART 2: OFF-HOOK DATA TRANSMISSION

Table of Contents

Abstract

General Product Information

International Equivalents

Standards Referenced By This Book

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