TR 101 954 : 1.1.1
Current
The latest, up-to-date edition.
ACCESS AND TERMINALS (AT); A STUDY ON POTS REQUIREMENTS APPLICABLE TO ADSL MODEMS WHEN CONNECTED TO AN ANALOGUE PRESENTED PSTN LINE
Hardcopy , PDF
English
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Intellectual Property Rights
Foreword
Introduction
1 Scope
2 References
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 General aspects - Rationale for requirements
4.1 Polarity
4.2 DC resistance
4.3 Ringing impedance
4.4 Transient response
4.5 DC current during ringing
4.6 Impedance unbalance about earth
4.7 DC resistance to earth
4.8 Impedance for PSTN voice band and metering signals
4.8.1 Voice band (200 Hz - 4 000 Hz)
4.8.2 Frequencies used for metering pulses (12 kHz
and 16 kHz)
History
Studies the requirements normally applying to analogue presented PSTN terminal equipment to ensure correct interworking with PSTN network interfaces that would also apply to ADSL modems when connected to the PSTN using microfilters or ADSL splitters without a DC blocking function.
| Committee |
AT ANALOGUE
|
| DocumentType |
Standard
|
| Pages |
10
|
| PublisherName |
European Telecommunications Standards Institute
|
| Status |
Current
|
| ES 202 913 : 1.2.2 | ACCESS AND TERMINALS (AT); POTS REQUIREMENTS APPLICABLE TO ADSL MODEMS WHEN CONNECTED TO AN ANALOGUE PRESENTED PSTN LINE |
| TS 102 913 : 1.1.1 | ACCESS AND TERMINALS (AT); POTS REQUIREMENTS APPLICABLE TO ADSL MODEMS WHEN CONNECTED TO AN ANALOGUE PRESENTED PSTN LINE |
| TBR 021 : 20001 | TERMINAL EQUIPMENT (TE); ATTACHMENT REQUIREMENTS FOR PAN-EUROPEAN APPROVAL FOR CONNECTION TO THE ANALOGUE PUBLIC SWITCHED TELEPHONE NETWORKS (PSTNS) OF TE (EXCLUDING TE SUPPORTING THE VOICE TELEPHONY SERVICE) IN WHICH NETWORK ADDRESSING, IF PROVIDED, IS BY MEANS OF DUAL TONE MULTI FREQUENCY (DTMF) SIGNALLING |
| EG 201 120 : 1.1.1 | PUBLIC SWITCHED TELEPHONE NETWORK (PSTN); METHOD OF RATING TERMINAL EQUIPMENT SO THAT IT CAN BE CONNECTED IN SERIES AND/OR IN PARALLEL TO A NETWORK TERMINATION POINT (NTP) |
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