TR 102 139 : 1.1.1
Current
The latest, up-to-date edition.
Hardcopy , PDF
English
Intellectual Property Rights
Foreword
1 Scope
2 References
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 General
4.1 Background
4.2 DSL system types
5 Technical issues
5.1 Interaction of POTS terminal equipment on xDSL
systems
5.2 Interaction of xDSL systems on POTS
5.3 Impact of "home LANS" on POTS and xDSL
5.4 Impact of EMC induced signals
5.5 Use of filters
6 Cost implications
7 Regulatory issues
7.1 General
7.2 EU legislation in place
7.3 EU legislation addressing compatibility of POTS
terminal equipment with xDSL systems
8 Spectrum management
8.1 Spectrum management of the access network
8.2 Spectrum management of the user network
9 Standards
9.1 Requirements for xDSL compatible POTS terminals
9.2 POTS/ADSL splitter filter requirements
9.3 Requirements for distributed filters
9.4 Requirements for homeLAN filters
9.5 Spectrum management of user installations
10 Conclusions and recommendations
10.1 Conclusions
10.2 Recommendations
Annex A (informative): Crosstalk
Annex B (informative): Out-of-band sending limits for
POTS terminals
Annex C (informative): The effect of Splitters on
Sidetone and Echo Loss
C.1 Impedance Transparency
C.2 The influence of inserting splitters on the
STMR
C.3 The influence of splitters on the "echo loss"
of the local exchange hybrid
C.4 The effect of splitters on older equipment
C.5 Conclusions
Annex D (informative): Reference impedances for
POTS Splitters
History
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