ITU-T Recommendation G.993.2

E438943

ITU-T Recommendation telecommunications standard

ITU-T Recommendation G.993.2 is an international telecommunications standard that defines VDSL2, a high-speed digital subscriber line technology for broadband access over copper telephone lines.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (2)

Label	Occurrences
VDSL2	2
ITU-T Recommendation G.993.2 canonical	1

How this entity was disambiguated

This entity first appeared as the object of triple T4402339 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: ITU-T Recommendation G.993.2
Context triple: [ITU-T Recommendations, hasPart, ITU-T Recommendation G.993.2]

A. ITU-T Recommendation G.992.1
ITU-T Recommendation G.992.1 is an international standard that defines the technical specifications for Asymmetric Digital Subscriber Line (ADSL) broadband transmission over traditional copper telephone lines.
B. ITU-T G.984 series
The ITU-T G.984 series is an international telecommunications standard that specifies the architecture, requirements, and transmission protocols for Gigabit-capable Passive Optical Networks (GPON) used in broadband fiber access.
C. ITU-T G.9960
ITU-T G.9960 is an international telecommunications standard that defines high-speed broadband data transmission over power lines and other existing wiring in homes and buildings.
D. ITU-T G.9961
ITU-T G.9961 is an international telecommunications standard that defines the data link layer and management procedures for broadband power line communication systems.
E. ITU-T G.8272
ITU-T G.8272 is an international telecommunication standard that specifies the primary reference time clock (PRTC) requirements for precise time and phase synchronization in packet-based networks.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: ITU-T Recommendation G.993.2
Target entity description: ITU-T Recommendation G.993.2 is an international telecommunications standard that defines VDSL2, a high-speed digital subscriber line technology for broadband access over copper telephone lines.

A. ITU-T Recommendation G.992.1
ITU-T Recommendation G.992.1 is an international standard that defines the technical specifications for Asymmetric Digital Subscriber Line (ADSL) broadband transmission over traditional copper telephone lines.
B. ITU-T G.984 series
The ITU-T G.984 series is an international telecommunications standard that specifies the architecture, requirements, and transmission protocols for Gigabit-capable Passive Optical Networks (GPON) used in broadband fiber access.
C. ITU-T G.9960
ITU-T G.9960 is an international telecommunications standard that defines high-speed broadband data transmission over power lines and other existing wiring in homes and buildings.
D. ITU-T G.9961
ITU-T G.9961 is an international telecommunications standard that defines the data link layer and management procedures for broadband power line communication systems.
E. ITU-T G.8272
ITU-T G.8272 is an international telecommunication standard that specifies the primary reference time clock (PRTC) requirements for precise time and phase synchronization in packet-based networks.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	ITU-T Recommendation ⓘ telecommunications standard ⓘ
abbreviation	G.993.2 NERFINISHED ⓘ
appliesTo	FTTC architectures ⓘ FTTN architectures ⓘ point-to-point DSL links ⓘ
category	DSL standard ⓘ broadband access standard ⓘ
defines	VDSL2 NERFINISHED ⓘ band plans for VDSL2 ⓘ data transmission over copper pairs ⓘ error correction mechanisms for VDSL2 ⓘ framing procedures for VDSL2 ⓘ modulation schemes for VDSL2 ⓘ physical layer specifications for VDSL2 ⓘ profiles for VDSL2 operation ⓘ vectoring support for VDSL2 ⓘ
definesFrequencyRange	up to 30 MHz depending on profile ⓘ
definesMaximumDownstreamRate	up to approximately 200 Mbit/s under ideal conditions ⓘ
definesMaximumUpstreamRate	up to approximately 100 Mbit/s under ideal conditions ⓘ
ensures	compatibility between VDSL2 DSLAMs and CPE ⓘ
focusesOn	broadband access ⓘ digital subscriber line technology ⓘ
partOf	ITU-T G series of recommendations NERFINISHED ⓘ
publishedBy	ITU-T NERFINISHED ⓘ International Telecommunication Union NERFINISHED ⓘ
relatedTo	ADSL ⓘ ADSL2 NERFINISHED ⓘ ADSL2+ NERFINISHED ⓘ G.992.1 NERFINISHED ⓘ G.992.3 NERFINISHED ⓘ G.992.5 NERFINISHED ⓘ
sector	ITU-T Study Group 15 NERFINISHED ⓘ
standardizes	Very-high-bit-rate Digital Subscriber Line 2 NERFINISHED ⓘ interoperability between VDSL2 equipment ⓘ
subjectArea	access networks ⓘ wired telecommunications ⓘ xDSL technologies NERFINISHED ⓘ
successorOf	ITU-T Recommendation G.993.1 NERFINISHED ⓘ
supportsApplication	IPTV ⓘ VoIP NERFINISHED ⓘ broadband Internet access ⓘ high-speed data services ⓘ triple-play services ⓘ
supportsTechnology	VDSL2 access networks ⓘ
usesMedium	copper telephone lines ⓘ twisted pair copper loops ⓘ
usesModulation	DMT ⓘ Discrete Multi-Tone modulation NERFINISHED ⓘ

How these facts were elicited

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

ITU-T Recommendations → hasPart → ITU-T Recommendation G.993.2 ⓘ

G.fast → comparedTo → ITU-T Recommendation G.993.2 ⓘ

this entity surface form: VDSL2

xDSL technologies → includes → ITU-T Recommendation G.993.2 ⓘ