EN 300 778-1 : 1.2.1
Current
The latest, up-to-date edition.
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 1: ON-HOOK DATA TRANSMISSION
Hardcopy , PDF
English
Intellectual Property Rights
Foreword
1 Scope
2 References
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 Physical layer requirements
4.1 General requirements
4.2 Alerting method specific requirements
5 Datalink layer - data reception
5.1 Channel seizure
5.2 Mark signal
5.3 Message type
5.4 Message length
5.5 Checksum
6 Presentation layer - message interpretation
7 Safety
8 Electro Magnetic Compatibility (EMC)
Annex A (normative): DTMF based subscriber line protocol
A.1 Introduction
A.2 Definitions
A.3 Requirements
History
Describes the electrical characteristics and the functional characteristics for Terminal Equipment (TE) for connection to the network termination points of a Public Switched Telephone Network (PSTN) interface providing a Protocol over the local loop for display and related services based on the protocols defined in EN 300 659-1 [1] and EN 300 659-3 [3].
Committee |
AT FEATURES
|
DevelopmentNote |
1.2.1 is a withdrawn version. (02/2003)
|
DocumentType |
Standard
|
Pages |
19
|
PublisherName |
European Telecommunications Standards Institute
|
Status |
Current
|
Standards | Relationship |
NEN EN 300778-1 : 2001 | Identical |
DIN EN 300778-1:2001-12 | Identical |
NBN EN 300 778-1 : 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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