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  ITU-T A.5 justification information for referenced document CM-SP-PHYv4.0-I05-220328 (2022) in draft J.224
1. Clear description of the referenced document:
Name: CM-SP-PHYv4.0-I05-220328 (2022)
Title: DOCSIS 4.0 Physical Layer Specification
2. Status of approval:
Approved
3. Justification for the specific reference:
This is a normative reference in J.224
4. Current information, if any, about IPR issues:
https://www.cablelabs.com/innovations/patents
5. Other useful information describing the "Quality" of the document:
Widely deployed in a lot of DOCSIS 4.0 implementations under CableLabs certification program
6. The degree of stability or maturity of the document:
Published in August 2022, and very stable
7. Relationship with other existing or emerging documents:
None
8. Any explicit references within that referenced document should also be listed:
2.1 Normative References/
In order to claim compliance with this specification, it is necessary to conform to the following standards and other/
works as indicated, in addition to the other requirements of this specification. Notwithstanding, intellectual/
property rights may be required to use or implement such normative references./
All references are subject to revision, and parties to agreement based on this specification are encouraged to/
investigate the possibility of applying the most recent editions of the documents listed below./
[CAN/CSA/
CISPR 22-10]/
Information technology equipment - Radio disturbance characteristics - Limits and methods of/
measurement (Adopted IEC CISPR 22:2008, sixth edition, 2008-09)./
[DOCSIS DRFI] Downstream Radio Frequency Interface Specification, CM-SP-DRFI-I16-170111, January 11, 2017, Cable/
Television Laboratories, Inc./
[DOCSIS/
MULPIv3.1]/
DOCSIS 3.1, MAC and Upper Layer Protocols Interface Specification, CM-SP-MULPIv3.1-I18-190422,/
April 22, 2019, Cable Television Laboratories, Inc./
[DOCSIS/
MULPIv4.0]/
DOCSIS 4.0, MAC and Upper Layer Protocols Interface Specification, CM-SP-MULPIv4.0-I01-190815,/
August 15, 2019, Cable Television Laboratories, Inc./
[DOCSIS/
PHYv3.0]/
DOCSIS 3.0, Physical Layer Specification, CM-SP-PHYv3.0-C01-171207, December 07, 2017, Cable/
Television Laboratories, Inc./
[DOCSIS/
PHYv3.1]/
DOCSIS 3.1, Physical Layer Specification, CM-SP-PHYv3.1-I16-190121, January 21, 2019, Cable/
Television Laboratories, Inc./
[DVB-C2] ETSI EN 302 769 V1.2.1: Digital Video Broadcasting (DVB); Frame structure channel coding and/
modulation for a second generation digital transmission system for cable systems (DVB-C2), April 2011./
[EG 201 212] ETSI EG 201 212 V1.2.1: Electrical safety; Classification of interfaces for equipment to be connected to/
telecommunication networks, November 1998./
[EN 300 429] ETSI EN 300 429 V1.2.1: Digital Video Broadcasting (DVB); Framing structure, channel coding and/
modulation for cable systems, April 1998./
[EN 50083-1] CENELEC EN 50083-1: Cable networks for television signals, sound signals and interactive services --/
Part 1: Safety requirements, 2002./
[EN 50083-2] CENELEC EN 50083-2: Cable networks for television signals, sound signals and interactive services --/
Part 2: Electromagnetic compatibility for equipment, 2005./
[EN 50083-7] CENELEC EN 50083-7: Cable networks for television signals, sound signals and interactive services --/
Part 7: System performance, April 1996./
[EN 61000-6-1] CENELEC EN 61000-6-4: Electromagnetic compatibility (EMC) -- Part 6-1: Generic standards - Immunity/
for residential, commercial and light-industrial environments, October 2001./
[EN 61000-6-3] CENELEC EN 61000-6-3: Electromagnetic compatibility (EMC) -- Part 6-3: Generic standards - Emission/
standard for residential, commercial and light-industrial environments, 2003./
[FCC15] Code of Federal Regulations, Title 47, Part 15, October 2005./
[FCC76] Code of Federal Regulations, Title 47, Part 76, October 2005./
[GB 8898-2011] Audio, video and similar electronic apparatus-Safety requirements, Standardization Administration of/
People's republic of China (SAC), www.sac.gov.cn/
[ISO/IEC-61169-/
24]/
ISO/IEC-61169-24, Radio-frequency connectors - Part 24: Sectional specification - Radio frequency/
coaxial connectors with screw coupling, typically for use in 75 ohm cable distribution systems (type F),/
2001./
[ITU-T J.83-B] Annex B to ITU-T Recommendation J.83 (12/2007), Digital multi-program systems for television sound/
and data services for cable distribution./
[SCTE 02] ANSI/SCTE 02, Specification for "F" Port, Female Indoor, 2015./
[SCTE 91] ANSI/SCTE 91, Specification for 5/8-24 RF & AC Equipment Port, Female, 2015./
[SCTE RMP] TS46, SCTE Measurement Recommended Practices for Cable Systems, Fourth Edition, March 2012,/
http://www.scte.org/ItemDetail?iProductCode=TS46./
CM-SP-PHYv4.0-I01-190815 Data-Over-Cable Service Interface Specifications/
08/15/19 CableLabs? 14/
2.2 Informative References/
This specification uses the following informative references./
[CMB1993] G. Castagnoli, S. Bräuer, and M. Herrmann, "Optimization of Cyclic Redundancy-Check Codes/
with 24 and 32 Parity Bits", IEEE Transactions on Communications, vol. 41, No. 6, pp. 883-/
892, June 1993./
[CTA 542] Cable Television Channel Identification Plan, CTA-542-D, Consumer Technology Association/
standard, June 2013/
[DOCSIS CCAPOSSIv3.1]/
DOCSIS 3.1 CCAP Operations Support System Interface Specification, CM-SP-CCAPOSSIv3.1-I15-190422, April 22, 2019, Cable Television Laboratories, Inc./
[DOCSIS CM-OSSIv3.1] DOCSIS 3.1 Cable Modem Operations Support System Interface Specification, CM-SP-CMOSSIv3.1-I15-190422, April 22, 2019, 2019, Cable Television Laboratories, Inc./
[GB/T 11318.1-1996] Equipment and components used in cabled distribution systems primarily intended for/
television and sound signals--Part 1: Generic specifications, China Zhijian Publish House SAC./
[ICES 003 Class A] Information Technology Equipment (ITE) — Limits and methods of measurement./
[PHYv3.1 CODECHECK] CM-PHYv3.1_CODECHECK-131029, Number and size of codewords versus grant sizes,/
Cable Television Laboratories, Inc./
https://apps.cablelabs.com/specification/CM-SP-PHYv3.1/
[PHYv3.1 QAM] PHYv3.1QAM Mapping, bit to constellation symbol mapping for DOCSIS 3.1, April 2014,/
https://apps.cablelabs.com/specification/CM-SP-PHYv3.1/
[NodePortEchoResponse] CM-PHYv3.1_NodePortEchoResponse-171005.xlsx, Node Port Echo Response/
https://apps.cablelabs.com/specification/CM-SP-PHYv3.1
9. Qualification of Cablelabs:
10. Other (for any supplementary information):
None
Note: This form is based on Recommendation ITU-T A.5