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ITU-T G.9961 (12/2023)

Unified high-speed wireline-based home networking transceivers – Data link layer specification

Recommendation ITU-T G.9961 belongs to the family of ITU-T G.996x Recommendations. Recommendation ITU-T G.9961 specifies the data link layer (DLL) for wireline-based home networking transceivers capable of operating over premises wiring including inside telephone wiring, coaxial cable, and power-line wiring. It complements the system architecture and physical (PHY) layer specification in Recommendation ITU-T G.9960, and the power spectral density (PSD) specification in Recommendation ITU-T G.9964.
G.9961 (2023) comprises ITU-T G.9961 (2018) plus its Amendments 1, 2 and 3, and Corrigenda 1 and 2, along with a new Annex B on authentication to a domain using external authentication for smart grid applications.

Citation:	https://handle.itu.int/11.1002/1000/15556
Series title:	G series: Transmission systems and media, digital systems and networks G.9000-G.9999: Access networks G.9900-G.9999: In premises networks
Approval date:	2023-12-02
Approval process:	AAP
Status:	In force
Maintenance responsibility:	ITU-T Study Group 15
Further details:	Patent statement(s) Development history [18 related work items in progress]

Ed.	ITU-T Recommendation	Status	Summary	Table of Contents	Download
5.1	G.9961 (2023) Amd. 1 (01/2024)	In force	here	here	here
5	G.9961 (12/2023)	In force	here	here	here
4.6	G.9961 (2018) Amd. 4 (05/2022)	Superseded	here	here	here
4.5	G.9961 (2018) Amd. 3 (04/2021)	Superseded	here	here	here
4.4	G.9961 (2018) Amd. 2 (07/2020)	Superseded	here	here	here
4.3	G.9961 (2018) Cor. 2 (03/2020)	Superseded	here	here	here
4.2	G.9961 (2018) Amd. 1 (02/2020)	Superseded	here	here	here
4.1	G.9961 (2018) Cor. 1 (09/2019)	Superseded	here	here	here
4	G.9961 (11/2018)	Superseded	here	here	here
3.9	G.9961 (2015) Amd. 4 (09/2018)	Superseded	here	here	here
3.8	G.9961 (2015) Cor. 5 (09/2018)	Superseded	here	here	here
3.7	G.9961 (2015) Amd. 3 (02/2018)	Superseded	here	here	here
3.6	G.9961 (2015) Cor. 4 (08/2017)	Superseded	here	here	here
3.5	G.9961 (2015) Cor. 3 (11/2016)	Superseded	here	here	here
3.4	G.9961 (2015) Amd. 2 (07/2016)	Superseded	here	here	here
3.3	G.9961 (2015) Cor. 2 (04/2016)	Superseded	here	here	here
3.2	G.9961 (2015) Amd. 1 (11/2015)	Superseded	here	here	here
3.1	G.9961 (2015) Cor. 1 (11/2015)	Superseded	here	here	here
3	G.9961 (07/2015)	Superseded	here	here	here
2	G.9961 (04/2014)	Superseded	here	-	here
1.4	G.9961 (2010) Amd. 2 (04/2014)	Superseded	here	-	here
1.3	G.9961 (2010) Cor. 2 (07/2013)	Superseded	here	here	here
1.2	G.9961 (2010) Amd. 1 (09/2012)	Superseded	here	-	here
1.1	G.9961 (2010) Cor. 1 (12/2011)	Superseded	here	here	here
1	G.9961 (06/2010)	Superseded	here	here	here


ITU-T Supplement	Title	Status	Summary	Table of contents	Download
G Suppl. 4 (12/1972)	Certain methods of avoiding the transmission of excessive noise between interconnected systems	In force	-	-	here
G Suppl. 5 (10/1984)	Measurement of the load of telephone circuits under field conditions	In force	-	-	here
G Suppl. 7 (12/1972)	Loss-frequency response of channel-translating equipment used in some countries for international circuits	In force	here	here	here
G Suppl. 8 (12/1972)	Method proposed by the Belgian telephone administration for interconnection between coaxial and symmetric pair systems	In force	-	-	here
G Suppl. 17 (10/1984)	Group-delay distortion performance of terminal equipment	In force	-	-	here
G Suppl. 19 (10/1984)	Digital crosstalk measurement (method used by the Administrations of France, the Netherlands and Spain)	In force	-	-	here
G Suppl. 22 (10/1984)	Mathematical models of multiplex signals	In force	-	-	here
G Suppl. 26 (10/1984)	Estimating the signal load margin of FDM wideband amplifier equipment and transmission systems	In force	-	-	here
G Suppl. 27 (10/1984)	Interference from external sources	In force	-	-	here
G Suppl. 28 (10/1984)	Application of transmultiplexers, FDM codecs, data-in-voice (DIV) systems and data-over-voice (DOV) systems during the transition from an analogue to a digital network	In force	-	-	here
G Suppl. 32 (11/1988)	Transfer of alarm information on 60-channel transmultiplexing equipment	In force	-	-	here
G Suppl. 34 (11/1988)	Temperature in underground containers for the installation of repeaters	In force	-	-	here
G Suppl. 35 (11/1988)	Guidelines concerning the measurement of wander	In force	-	-	here
G Suppl. 36 (11/1988)	Jitter and wander accumulation in digital networks	In force	-	-	here
G Suppl. 39 (02/2016)	Optical system design and engineering considerations	In force	here	here	here
G Suppl. 40 (10/2018)	Optical fibre and cable Recommendations and standards guideline	In force	here	here	here
G Suppl. 41 (02/2018)	Design guidelines for optical fibre submarine cable systems	In force	here	here	here
G Suppl. 42 (10/2018)	Guide on the use of the ITU-T Recommendations related to optical fibres and systems technology	In force	here	here	here
G Suppl. 43 (02/2011)	Transport of IEEE 10GBASE-R in optical transport networks (OTN)	In force	here	here	here
G Suppl. 44 (06/2007)	Test plan to verify B-PON interoperability	In force	here	here	here
G Suppl. 45 (09/2022)	Power conservation in optical access systems	In force	here	here	here
G Suppl. 46 (05/2009)	G-PON interoperability test plan between optical line terminations and optical network units	In force	here	here	here
G Suppl. 47 (09/2012)	General aspects of optical fibres and cables	In force	here	here	here
G Suppl. 48 (06/2010)	10-Gigabit-capable passive optical networks: Interface between media access control with serializer/deserializer and physical medium dependent sublayers	In force	here	here	here
G Suppl. 49 (09/2020)	Rogue optical network unit (ONU) considerations	In force	here	here	here
G Suppl. 50 (09/2011)	Overview of digital subscriber line Recommendations	In force	here	here	here
G Suppl. 51 (06/2017)	Passive optical network protection considerations	In force	here	here	here
G Suppl. 52 (09/2012)	Ethernet ring protection switching	In force	here	here	here
G Suppl. 53 (12/2014)	Guidance for Ethernet OAM performance monitoring	In force	here	here	here
G Suppl. 54 (07/2015)	Ethernet linear protection switching	In force	here	here	here
G Suppl. 55 (12/2023)	Radio-over-fibre (RoF) technologies and their applications	In force	here	here	here
G Suppl. 56 (02/2016)	OTN transport of CPRI signals	In force	here	here	here
G Suppl. 57 (07/2015)	Smart home profiles for 6LoWPAN devices	In force	here	here	here
G Suppl. 58 (12/2023)	Optical transport network module framer interfaces	In force	here	here	here
G Suppl. 59 (02/2018)	Guidance on optical fibre and cable reliability	In force	here	here	here
G Suppl. 60 (09/2016)	Ethernet linear protection switching with dual node interconnection	In force	here	here	here
G Suppl. 62 (02/2018)	Gfast certification	In force	here	here	here
G Suppl. 64 (02/2018)	PON transmission technologies above 10 Gb/s per wavelength	In force	here	here	here
G Suppl. 65 (10/2018)	Simulations of transport of time over packet networks	In force	here	here	here
G Suppl. 66 (09/2020)	5G wireless fronthaul requirements in a passive optical network context	In force	here	here	here
G Suppl. 67 (07/2019)	Application of optical transport network Recommendations to 5G transport	In force	here	here	here
G Suppl. 68 (12/2023)	Synchronization operations, administration and maintenance requirements	In force	here	here	here
G Suppl. 69 (09/2020)	Migration of a pre-standard network to a metro transport network	In force	here	here	here
G Suppl. 70 (09/2020)	Supplement on sub 1 Gbit/s services transport over optical transport network	In force	here	here	here
G Suppl. 71 (12/2023)	Optical line termination capabilities for supporting cooperative dynamic bandwidth assignment	In force	here	here	here
G Suppl. 72 (04/2021)	Modelling consideration for optical media networks	In force	here	here	here
G Suppl. 73 (10/2021)	Influencing factors on quality of experience for multiview video (MVV) services	In force	here	here	here
G Suppl. 74 (12/2021)	Network slicing in a passive optical network context	In force	here	here	here
G Suppl. 75 (12/2021)	5G small cell backhaul/midhaul over TDM-PON	In force	here	here	here
G Suppl. 76 (12/2021)	Optical transport network security	In force	here	here	here
G Suppl. 77 (06/2022)	Supplement 77 to ITU-T G-series of Recommendations - Influencing factors on quality of experience (QoE) for video customized alerting tone (CAT) and video customized ringing signal (CRS) services	In force	here	here	here
G Suppl. 78 (09/2022)	Use case and requirements of fibre-to-the-room for small business applications	In force	here	here	here
G Suppl. 79 (12/2023)	Latency control and deterministic capability over a PON system	In force	here	here	here

Title	Approved on	Download
Roadmap for QoS and QoE in the ITU-T Study Group 12 context (TR-RQ)	2023	here
Operation of G.hn technology over access and in-premises phone line medium	2022	here
Considerations on the use of GNSS as a primary time reference in telecommunications	2020	here
Use of G.hn in industrial applications	2020	here
Applications of ITU-T G.9960, ITU-T G.9961 transceivers for Smart Grid applications: Advanced metering infrastructure, energy management in the home and electric vehicles	2010	here

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ITU-T Recommendations

ITU-T G.9961 (12/2023)