Intellectual Property Rights
Foreword
Introduction
1 Scope
2 References
2.1 Normative references
2.2 Informative references
3 Definitions, symbols and abbreviations
3.1 Definitions
3.2 Symbols
3.3 Abbreviations
4 General functional description of xDSL over POTS splitters
4.1 Functional diagram
4.2 High pass block: three alternatives
5 Circuit definitions, testing conditions and methods
5.1 DC testing conditions
5.2 AC terminating impedances Z[AC]
5.3 High pass filter implementation
5.4 General transmission test set-up
5.5 Unbalance measurement
5.6 Noise measurement
5.7 Common Mode Rejection Ratio measurement
6 Splitter requirements
6.1 Options for splitter requirements
6.2 DC requirements
6.3 Ringing frequency requirements
6.4 POTS pass band loss requirements (on-hook)
6.5 POTS pass band loss requirements (off-hook)
6.6 POTS pass band return loss requirements (off-hook)
6.7 Requirements relating to metering pulses at 12 kHz or
16 kHz (optional)
6.8 Unbalance about Earth
6.9 xDSL band requirements
6.10 Noise levels
6.11 Distortion
6.12 Group delay distortion
6.13 POTS transient effects (informative)
6.14 Requirements for Common Mode Rejection (optional)
6.15 Requirements for Crosstalk at the LE (optional)
Annex A (normative): xDSL specific information
A.1 Z[DSL] and Z[RefDSL] for specific xDSL over POTS variants
A.2 Common requirements for passive POTS splitters
A.3 Specific requirements for passive splitters for ADSL over
POTS variants
A.4 Specific requirements for passive splitters for VDSL1
over POTS variants
A.5 Specific requirements for passive splitters for VDSL2
over POTS variants at the TE side
A.6 Specific requirements for passive splitters for VDSL2
over POTS variants at the LE side
Annex B (informative): Evolution of the documents
Annex C (informative): Use of the present document for splitters at
the cabinet
Annex D (informative): Intrinsic IL and RL caused by Z[DSL] in the
POTS band
Annex E (informative): IL Measurement from LINE to xDSL inside
Z[DSL]
Annex F (informative): Return Loss measurements: practical diagrams
Annex G (informative): Insertion Loss measured with feeding and
loading bridges
Annex H (informative): Dynamic tests of splitters in the presence
of xDSL transceivers (WT-127 of the Broadband Forum)
H.1 General description
H.2 Detailed description
Annex I (informative): Optimal transmission of POTS and xDSL
signals and their separation
Annex J (informative): More on feeding and loading bridges
Annex K (informative): Additional requirements for Active Splitter
(F.F.S.)
K.1 Bidirectional IL tests
K.2 Noise measurements methods for active splitters
K.3 (6.10) Noise requirements for active splitters
K.4 (6.11) Distortion
K.5 (6.13) Transitional tests
Annex L (informative): Bibliography
History