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2005-2008 ITU-T SG 15 Recommendations
G series : Transmission systems and media, digital systems and networks
G100-G199 : International telephone connections and circuits
G180-G189 : Protection and restoration of transmission systems
G.180 : Characteristics of N + M type direct transmission restoration systems for use on digital and analogue sections, links or equipment
G.181 : Characteristics of 1 + 1 type restoration systems for use on digital transmission links
G200-G299 : General characteristics common to all analogue carrier-transmission systems
G210-G219 : Definitions and general considerations
G.211 : Make-up of a carrier link
G.212 : Hypothetical reference circuits for analogue systems
G.213 : Interconnection of systems in a main repeater station
G.214 : Line stability of cable systems
G.215 : Hypothetical reference circuit of 5000 km for analogue systems
G220-G229 : General Recommendations
G.221 : Overall recommendations relating to carrier-transmission systems
G.222 : Noise objectives for design of carrier-transmission systems of 2500 km
G.223 : Assumptions for the calculation of noise on hypothetical reference circuits for telephony
G.224 : Maximum permissible value for the absolute power level (power referred to one milliwatt) of a signalling pulse
G.225 : Recommendations relating to the accuracy of carrier frequencies
G.226 : Noise on a real link
G.227 : Conventional telephone signal
G.228 : Measurement of circuit noise in cable systems using a uniform-spectrum random noise loading
G.229 : Unwanted modulation and phase jitter
G230-G239 : Translating equipment used on various carrier-transmission systems
G.230 : Measuring methods for noise produced by modulating equipment and through-connection filters
G.231 : Arrangement of carrier equipment
G.232 : 12-channel terminal equipments
G.233 : Recommendations concerning translating equipments
G240-G299 : Utilization of groups, supergroups, etc.
G.241 : Pilots on groups, supergroups, etc.
G.242 : Through-connection of groups, supergroups, etc.
G.243 : Protection of pilots and additional measuring frequencies at points where there is a through-connection
G300-G399 : Individual characteristics of international carrier telephone systems on metallic lines
G320-G329 : Carrier telephone systems on unloaded symmetric cable pairs, providing groups or supergroups
G.322 : General characteristics recommended for systems on symmetric pair cables
G.325 : General characteristics recommended for systems providing 12 telephone carrier circuits on a symmetric cable pair [(12 + 12) systems]
G330-G339 : Carrier systems on 2.6/9.5 mm coaxial cable pairs
G.332 : 12 MHz systems on standardized 2.6/9.5 mm coaxial cable pairs
G.333 : 60 MHz systems on standardized 2.6/9.5 mm coaxial cable pairs
G.334 : 18 MHz systems on standardized 2.6/9.5 mm coaxial cable pairs
G340-G349 : Carrier systems on 1.2/4.4 mm coaxial cable pairs
G.341 : 1.3 MHz systems on standardized 1.2/4.4 mm coaxial cable pairs
G.343 : 4 MHz systems on standardized 1.2/4.4 mm coaxial cable pairs
G.344 : 6 MHz systems on standardized 1.2/4.4 mm coaxial cable pairs
G.345 : 12 MHz systems on standardized 1.2/4.4 mm coaxial cable pairs
G.346 : 18 MHz systems on standardized 1.2/4.4 mm coaxial cable pairs
G350-G399 : Additional Recommendations on cable systems
G.352 : Interconnection of coaxial carrier systems of different designs
G400-G449 : General characteristics of international carrier telephone systems on radio-relay or satellite links and interconnection with metallic lines
G400-G419 : General Recommendations
G.411 : Use of radio-relay systems for international telephone circuits
G420-G429 : Interconnection of radio-relay links with carrier systems on metallic lines
G.421 : Methods of interconnection
G.422 : Interconnection at audio-frequencies
G.423 : Interconnection at the baseband frequencies of frequency-division multiplex radio-relay systems
G430-G439 : Hypothetical reference circuits
G.431 : Hypothetical reference circuits for frequency-division multiplex radio-relay systems
G440-G449 : Circuit noise
G.441 : Permissible circuit noise on frequency-division multiplex radio-relay systems
G.442 : Radio-relay system design objectives for noise at the far end of a hypothetical reference circuit with reference to telegraphy transmission
G450-G499 : Coordination of radiotelephony and line telephony
G450-G469 : Radiotelephone circuits
G.451 : Use of radio links in international telephone circuits
G600-G699 : Transmission media and optical systems characteristics
G600-G609 : General
G.601 : Terminology for cables
G.602 : Reliability and availability of analogue cable transmission systems and associated equipments
G610-G619 : Symmetric cable pairs
G.611 : Characteristics of symmetric cable pairs for analogue transmission
G.612 : Characteristics of symmetric cable pairs designed for the transmission of systems with bit rates of the order of 6 to 34 Mbit/s
G.613 : Characteristics of symmetric cable pairs usable wholly for the transmission of digital systems with a bit rate of up to 2 Mbit/s
G.614 : Characteristics of symmetric pair star-quad cables designed earlier for analogue transmission systems and being used now for digital system transmission at bit rates of 6 to 34 Mbit/s
G620-G629 : Land coaxial cable pairs
G.621 : Characteristics of 0.7/2.9 mm coaxial cable pairs
G.622 : Characteristics of 1.2/4.4 mm coaxial cable pairs
G.623 : Characteristics of 2.6/9.5 mm coaxial cable pairs
G630-G639 : Submarine cables
G.631 : Types of submarine cable to be used for systems with line frequencies of less than about 45 MHz
G640-G649 : Free space optical systems
G.640 : Co-location longitudinally compatible interfaces for free space optical systems
G650-G659 : Optical fibre cables
G.650.1 : Definitions and test methods for linear, deterministic attributes of single-mode fibre and cable
G.650.2 : Definitions and test methods for statistical and non-linear related attributes of single-mode fibre and cable
G.650.3 : Test methods for installed single-mode optical fibre cable links
G.651 : Characteristics of a 50/125 ΅m multimode graded index optical fibre cable
G.651.1 : Characteristics of a 50/125 ΅m multimode graded index optical fibre cable for the optical access network
G.652 : Characteristics of a single-mode optical fibre and cable
G.653 : Characteristics of a dispersion-shifted single-mode optical fibre and cable
G.654 : Characteristics of a cut-off shifted single-mode optical fibre and cable
G.655 : Characteristics of a non-zero dispersion-shifted single-mode optical fibre and cable
G.656 : Characteristics of a fibre and cable with non-zero dispersion for wideband optical transport
G.657 : Characteristics of a bending loss insensitive single mode optical fibre and cable for the access network
G660-G679 : Characteristics of optical components and subsystems
G.661 : Definitions and test methods for the relevant generic parameters of optical amplifier devices and subsystems
G.662 : Generic characteristics of optical amplifier devices and subsystems
G.663 : Application related aspects of optical amplifier devices and subsystems
G.664 : Optical safety procedures and requirements for optical transport systems
G.665 : Generic characteristics of Raman amplifiers and Raman amplified subsystems
G.666 : Characteristics of PMD compensators and PMD compensating receivers
G.667 : Characteristics of adaptive chromatic dispersion compensators
G.671 : Transmission characteristics of optical components and subsystems
G680-G699 : Characteristics of optical systems
G.680 : Physical transfer functions of optical network elements
G.691 : Optical interfaces for single channel STM-64 and other SDH systems with optical amplifiers
G.692 : Optical interfaces for multichannel systems with optical amplifiers
G.693 : Optical interfaces for intra-office systems
G.694.1 : Spectral grids for WDM applications: DWDM frequency grid
G.694.2 : Spectral grids for WDM applications: CWDM wavelength grid
G.695 : Optical interfaces for coarse wavelength division multiplexing applications
G.696.1 : Longitudinally compatible intra-domain DWDM applications
G.697 : Optical monitoring for DWDM systems
G.698.1 : Multichannel DWDM applications with single-channel optical interfaces
G.698.2 : Amplified multichannel DWDM applications with single channel optical interfaces
G700-G799 : Digital terminal equipments
G700-G709 : General
G.701 : Vocabulary of digital transmission and multiplexing, and pulse code modulation (PCM) terms
G.702 : Digital hierarchy bit rates
G.703 : Physical/electrical characteristics of hierarchical digital interfaces
G.704 : Synchronous frame structures used at 1544, 6312, 2048, 8448 and 44 736 kbit/s hierarchical levels
G.705 : Characteristics of plesiochronous digital hierarchy (PDH) equipment functional blocks
G.706 : Frame alignment and cyclic redundancy check (CRC) procedures relating to basic frame structures defined in Recommendation G.704
G.707/Y.1322 : Network node interface for the synchronous digital hierarchy (SDH)
G.708 : Sub STM-0 network node interface for the synchronous digital hierarchy (SDH)
G.709/Y.1331 : Interfaces for the Optical Transport Network (OTN)
G710-G719 : Coding of analogue signals by pulse code modulation
G.712 : Transmission performance characteristics of pulse code modulation channels
G730-G739 : Principal characteristics of primary multiplex equipment
G.731 : Primary PCM multiplex equipment for voice frequencies
G.732 : Characteristics of primary PCM multiplex equipment operating at 2048 kbit/s
G.733 : Characteristics of primary PCM multiplex equipment operating at 1544 kbit/s
G.734 : Characteristics of synchronous digital multiplex equipment operating at 1544 kbit/s
G.735 : Characteristics of primary PCM multiplex equipment operating at 2048 kbit/s and offering synchronous digital access at 384 kbit/s and/or 64 kbit/s
G.736 : Characteristics of a synchronous digital multiplex equipment operating at 2048 kbit/s
G.737 : Characteristics of an external access equipment operating at 2048 kbit/s offering synchronous digital access at 384 kbit/s and/or 64 kbit/s
G.738 : Characteristics of primary PCM multiplex equipment operating at 2048 kbit/s and offering synchronous digital access at 320 kbit/s and/or 64 kbit/s
G.739 : Characteristics of an external access equipment operating at 2048 kbit/s offering synchronous digital access at 320 kbit/s and/or 64 kbit/s
G740-G749 : Principal characteristics of second order multiplex equipment
G.741 : General considerations on second order multiplex equipments
G.742 : Second order digital multiplex equipment operating at 8448 kbit/s and using positive justification
G.743 : Second order digital multiplex equipment operating at 6312 kbit/s and using positive justification
G.744 : Second order PCM multiplex equipment operating at 8448 kbit/s
G.745 : Second order digital multiplex equipment operating at 8448 kbit/s and using positive/zero/negative justification
G.746 : Characteristics of second order PCM multiplex equipment operating at 6312 kbit/s
G.747 : Second order digital multiplex equipment operating at 6312 kbit/s and multiplexing three tributaries at 2048 kbit/s
G750-G759 : Principal characteristics of higher order multiplex equipment
G.751 : Digital multiplex equipments operating at the third order bit rate of 34 368 kbit/s and the fourth order bit rate of 139 264 kbit/s and using positive justification
G.752 : Characteristics of digital multiplex equipments based on a second order bit rate of 6312 kbit/s and using positive justification
G.753 : Third order digital multiplex equipment operating at 34 368 kbit/s and using positive/zero/negative justification
G.754 : Fourth order digital multiplex equipment operating at 139 264 kbit/s and using positive/zero/negative justification
G.755 : Digital multiplex equipment operating at 139 264 kbit/s and multiplexing three tributaries at 44 736 kbit/s
G770-G779 : Operations, administration and maintenance features of transmission equipment
G.772 : Protected monitoring points provided on digital transmission systems
G.773 : Protocol suites for Q-interfaces for management of transmission systems
G.774 : Synchronous digital hierarchy (SDH) – Management information model for the network element view
G.774.1 : Synchronous digital hierarchy (SDH) – Bidirectional performance monitoring for the network element view
G.774.2 : Synchronous digital hierarchy (SDH) – Configuration of the payload structure for the network element view
G.774.3 : Synchronous digital hierarchy (SDH) – Management of multiplex-section protection for the network element view
G.774.4 : Synchronous digital hierarchy (SDH) – Management of the subnetwork connection protection for the network element view
G.774.5 : Synchronous digital hierarchy (SDH) – Management of connection supervision functionality (HCS/LCS) for the network element view
G.774.6 : Synchronous digital hierarchy (SDH) – Unidirectional performance monitoring for the network element view
G.774.7 : Synchronous digital hierarchy (SDH) – Management of lower order path trace and interface labelling for the network element view
G.774.8 : Synchronous digital hierarchy (SDH) – Management of radio-relay systems for the network element view
G.774.9 : Synchronous digital hierarchy (SDH) – Configuration of linear multiplex-section protection for the network element view
G.774.10 : Synchronous digital hierarchy (SDH) – Multiplex Section (MS) shared protection ring management for the network element view
G.775 : Loss of Signal (LOS), Alarm Indication Signal (AIS) and Remote Defect Indication (RDI) defect detection and clearance criteria for PDH signals
G780-G789 : Principal characteristics of multiplexing equipment for the synchronous digital hierarchy
G.780/Y.1351 : Terms and definitions for synchronous digital hierarchy (SDH) networks
G.781 (draft) : Synchronization layer functions
G.781 : Synchronization layer functions
G.783 : Characteristics of synchronous digital hierarchy (SDH) equipment functional blocks
G.784 : Management aspects of synchronous digital hierarchy (SDH) transport network elements
G.785 : Characteristics of a flexible multiplexer in a synchronous digital hierarchy environment
G790-G799 : Other terminal equipment
G.791 : General considerations on transmultiplexing equipments
G.792 : Characteristics common to all transmultiplexing equipments
G.793 : Characteristics of 60-channel transmultiplexing equipments
G.794 : Characteristics of 24-channel transmultiplexing equipments
G.795 : Characteristics of codecs for FDM assemblies
G.796 : Characteristics of a 64 kbit/s cross-connect equipment with 2048 kbit/s access ports
G.797 : Characteristics of a flexible multiplexer in a plesiochronous digital hierarchy environment
G.798 : Characteristics of optical transport network hierarchy equipment functional blocks
G.799.1/Y.1451.1 : Functionality and interface specifications for GSTN transport network equipment for interconnecting GSTN and IP networks
G800-G899 : Digital networks
G800-G809 : General aspects
G.800 : Unified functional architecture of transport networks
G.803 : Architecture of transport networks based on the synchronous digital hierarchy (SDH)
G.804 : ATM cell mapping into plesiochronous digital hierarchy (PDH)
G.805 : Generic functional architecture of transport networks
G.806 : Characteristics of transport equipment – Description methodology and generic functionality
G.808.1 : Generic protection switching – Linear trail and subnetwork protection
G.808.2 (draft) : Generic protection switching – Ring protection
G.809 : Functional architecture of connectionless layer networks
G810-G819 : Design objectives for digital networks
G.810 : Definitions and terminology for synchronization networks
G.811 : Timing characteristics of primary reference clocks
G.812 : Timing requirements of slave clocks suitable for use as node clocks in synchronization networks
G.813 : Timing characteristics of SDH equipment slave clocks (SEC)
G820-G829 : Quality and availability targets
G.820/I.351/Y.1501 : Relationships among ISDN, IP-based network and physical layer performance Recommendations
G.821 : Error performance of an international digital connection operating at a bit rate below the primary rate and forming part of an Integrated Services Digital Network
G.822 : Controlled slip rate objectives on an international digital connection
G.823 : The control of jitter and wander within digital networks which are based on the 2048 kbit/s hierarchy
G.824 : The control of jitter and wander within digital networks which are based on the 1544 kbit/s hierarchy
G.825 : The control of jitter and wander within digital networks which are based on the synchronous digital hierarchy (SDH)
G.826 : End-to-end error performance parameters and objectives for international, constant bit-rate digital paths and connections
G.827 : Availability performance parameters and objectives for end-to-end international constant bit-rate digital paths
G.828 : Error performance parameters and objectives for international, constant bit-rate synchronous digital paths
G.829 : Error performance events for SDH multiplex and regenerator sections
G830-G839 : Network capabilities and functions
G.831 : Management capabilities of transport networks based on the synchronous digital hierarchy (SDH)
G.832 : Transport of SDH elements on PDH networks – Frame and multiplexing structures
G840-G849 : SDH network characteristics
G.841 : Types and characteristics of SDH network protection architectures
G.842 : Interworking of SDH network protection architectures
G870-G879 : Optical transport networks
G.870/Y.1352 : Terms and definitions for optical transport networks (OTN)
G.871/Y.1301 : Framework of Optical Transport Network Recommendations
G.872 : Architecture of optical transport networks
G.873.1 : Optical Transport Network (OTN): Linear protection
G.873.2 (draft) : OTN network protection architectures – Rring ODUk protection
G.874 : Management aspects of optical transport network elements
G.874.1 : Optical transport network (OTN): Protocol-neutral management information model for the network element view
G900-G999 : Digital sections and digital line system
G900-G909 : General
G.901 : General considerations on digital sections and digital line systems
G.902 : Framework Recommendation on functional access networks (AN) – Architecture and functions, access types, management and service node aspects
G910-G919 : Parameters for optical fibre cable systems
G.911 : Parameters and calculation methodologies for reliability and availability of fibre optic systems
G920-G929 : Digital sections at hierarchical bit rates based on a bit rate of 2048 kbit/s
G.921 : Digital sections based on the 2048 kbit/s hierarchy
G940-G949 : Digital line systems provided by FDM transmission bearers
G.941 : Digital line systems provided by FDM transmission bearers
G950-G959 : Digital line systems
G.950 : General considerations on digital line systems
G.951 : Digital line systems based on the 1544 kbit/s hierarchy on symmetric pair cables
G.952 : Digital line systems based on the 2048 kbit/s hierarchy on symmetric pair cables
G.953 : Digital line systems based on the 1544 kbit/s hierarchy on coaxial pair cables
G.954 : Digital line systems based on the 2048 kbit/s hierarchy on coaxial pair cables
G.955 : Digital line systems based on the 1544 kbit/s and the 2048 kbit/s hierarchy on optical fibre cables
G.957 : Optical interfaces for equipments and systems relating to the synchronous digital hierarchy
G.959.1 : Optical transport network physical layer interfaces
G960-G969 : Digital section and digital transmission systems for customer access to ISDN
G.960 : Access digital section for ISDN basic rate access
G.961 : Digital transmission system on metallic local lines for ISDN basic rate access
G.962 : Access digital section for ISDN primary rate at 2048 kbit/s
G.963 : Access digital section for ISDN primary rate at 1544 kbit/s
G.964 : V-Interfaces at the digital local exchange (LE) – V5.1 interface (based on 2048 kbit/s) for the support of access network (AN)
G.965 : V-interfaces at the digital local exchange (LE) – V5.2 interface (based on 2048 kbit/s) for the support of access network (AN)
G.966 : Access digital section for B-ISDN
G.967.1 : VB5.1 reference point specification
G.967.2 : VB5.2 reference point specification
G.967.3 : Protocol implementation conformance statements for interfaces at VB5 reference points
G970-G979 : Optical fibre submarine cable systems
G.971 : General features of optical fibre submarine cable systems
G.972 : Definition of terms relevant to optical fibre submarine cable systems
G.973 : Characteristics of repeaterless optical fibre submarine cable systems
G.974 : Characteristics of regenerative optical fibre submarine cable systems
G.975 : Forward error correction for submarine systems
G.975.1 : Forward error correction for high bit-rate DWDM submarine systems
G.976 : Test methods applicable to optical fibre submarine cable systems
G.977 : Characteristics of optically amplified optical fibre submarine cable systems
G.978 : Characteristics of optical fibre submarine cables
G980-G989 : Optical line systems for local and access networks
G.981 : PDH optical line systems for the local network
G.982 : Optical access networks to support services up to the ISDN primary rate or equivalent bit rates
G.983.1 : Broadband optical access systems based on Passive Optical Networks (PON)
G.983.2 : ONT management and control interface specification for B-PON
G.983.3 : A broadband optical access system with increased service capability by wavelength allocation
G.983.4 : A broadband optical access system with increased service capability using dynamic bandwidth assignment
G.983.5 : A broadband optical access system with enhanced survivability
G.984.1 : Gigabit-capable passive optical networks (G-PON): General characteristics
G.984.2 : Gigabit-capable Passive Optical Networks (G-PON): Physical Media Dependent (PMD) layer specification
G.984.3 : Gigabit-capable Passive Optical Networks (G-PON): Transmission convergence layer specification
G.984.4 : Gigabit-capable Passive Optical Networks (G-PON): ONT management and control interface specification
G.984.5 : Gigabit-capable Passive Optical Networks (G-PON): Enhancement band
G.984.6 : Gigabit-capable Passive Optical Networks (G-PON): Reach extension
G.985 : 100 Mbit/s point-to-point Ethernet based optical access system
G990-G999 : Access networks
G.991.1 : High bit rate digital subscriber line (HDSL) transceivers
G.991.2 : Single-pair high-speed digital subscriber line (SHDSL) transceivers
G.992.1 : Asymmetric digital subscriber line (ADSL) transceivers
G.992.2 : Splitterless asymmetric digital subscriber line (ADSL) transceivers
G.992.3 : Asymmetric digital subscriber line transceivers 2 (ADSL2)
G.992.4 : Splitterless asymmetric digital subscriber line transceivers 2 (splitterless ADSL2)
G.992.5 : Asymmetric digital subscriber line (ADSL) transceivers – Extended bandwidth ADSL2 (ADSL2plus)
G.993.1 : Very high speed digital subscriber line transceivers (VDSL)
G.993.2 : Very high speed digital subscriber line transceivers 2 (VDSL2)
G.994.1 : Handshake procedures for digital subscriber line (DSL) transceivers
G.995.1 : Overview of digital subscriber line (DSL) Recommendations
G.996.1 : Test procedures for digital subscriber line (DSL) transceivers
G.997.1 : Physical layer management for digital subscriber line (DSL) transceivers
G.998.1 : ATM-based multi-pair bonding
G.998.2 : Ethernet-based multi-pair bonding
G.998.3 : Multi-pair bonding using time-division inverse multiplexing
G7000-G7999 : Data over Transport – Generic aspects
G7000-G7099 : General
G.7041/Y.1303 (draft) : Generic framing procedure (GFP)
G.7041/Y.1303 : Generic framing procedure (GFP)
G.7042/Y.1305 : Link capacity adjustment scheme (LCAS) for virtual concatenated signals
G.7043/Y.1343 : Virtual concatenation of plesiochronous digital hierarchy (PDH) signals
G7700-G7799 : Transport network control aspects
G.7710/Y.1701 : Common equipment management function requirements
G.7712/Y.1703 : Architecture and specification of data communication network
G.7713/Y.1704 : Distributed Call and Connection Management (DCM)
G.7713.1/Y.1704.1 : Distributed Call and Connection Management (DCM) based on PNNI
G.7713.2/Y.1704.2 : Distributed Call and Connection Management: Signalling mechanism using GMPLS RSVP-TE
G.7713.3/Y.1704.3 : Distributed Call and Connection Management: Signalling mechanism using GMPLS CR-LDP
G.7714/Y.1705 : Generalized automatic discovery for transport entities
G.7714.1/Y.1705.1 : Protocol for automatic discovery in SDH and OTN networks
G.7715/Y.1706 : Architecture and requirements for routing in the automatically switched optical networks
G.7715.1/Y.1706.1 : ASON routing architecture and requirements for link state protocols
G.7715.2/Y.1706.2 : ASON routing architecture and requirements for remote route query
G.7718/Y.1709 : Framework for ASON management
G.7718.1/Y.1709.1 : Protocol-neutral management information model for the control plane view
G8000-G8999 : Packet over Transport aspects
G8000-G8099 : Ethernet over Transport aspects
G.8001/Y.1354 : Terms and definitions for Ethernet frames over Transport
G.8010/Y.1306 : Architecture of Ethernet layer networks
G.8011/Y.1307 : Ethernet over Transport – Ethernet services framework
G.8011.1/Y.1307.1 : Ethernet private line service
G.8011.2/Y.1307.2 : Ethernet virtual private line service
G.8012/Y.1308 : Ethernet UNI and Ethernet NNI
G.8021/Y.1341 : Characteristics of Ethernet transport network equipment functional blocks
G.8031/Y.1342 : Ethernet linear protection switching
G.8032/Y.1344 : Ethernet ring protection switching
G.8040/Y.1340 : GFP frame mapping into Plesiochronous Digital Hierarchy (PDH)
G.8051/Y.1345 : Management aspects of the Ethernet-over-Transport (EoT) capable network element
G.8080/Y.1304 : Architecture for the automatically switched optical network (ASON)
G.8081/Y.1353 : Terms and definitions for Automatically Switched Optical Networks (ASON)
G8100-G8199 : MPLS over Transport aspects
G.8101/Y.1355 : Terms and definitions for transport MPLS
G.8110/Y.1370 : MPLS layer network architecture
G.8110.1/Y.1370.1 : Architecture of Transport MPLS (T-MPLS) layer network
G.8112/Y.1371 : Interfaces for the Transport MPLS (T-MPLS) hierarchy
G.8121/Y.1381 : Characteristics of Transport MPLS equipment functional blocks
G.8131/Y.1382 : Linear protection switching for transport MPLS (T-MPLS) networks
G.8151/Y.1374 : Management aspects of the T-MPLS network element
G8200-G8299 : Quality and availability targets
G.8201 : Error performance parameters and objectives for multi-operator international paths within the Optical Transport Network (OTN)
G.8251 : The control of jitter and wander within the optical transport network (OTN)
G.8261/Y.1361 : Timing and synchronization aspects in packet networks
G.8262/Y.1362 : Timing characteristics of synchronous Ethernet equipment slave clock (EEC)
G.8264/Y.1364 (draft) : Timing distribution through packet networks
G8600-G8699 : Service Management
G.8601/Y.1391 : Architecture of service management in multi-bearer, multi-carrier environment
G9000-G9999 : Access networks
G9950-G9999 : In premises networks
G.9951 : Phoneline networking transceivers – Foundation
G.9952 : Phoneline networking transceivers – Payload format and link layer requirements
G.9953 : Phoneline networking transceivers – Isolation function
G.9954 : Home networking transceivers – Enhanced physical, media access, and link layer specifications
G supplements : Supplements to the Series G Recommendations
G Suppl. 4 : Certain methods of avoiding the transmission of excessive noise between interconnected systems
G Suppl. 5 : Measurement of the load of telephone circuits under field conditions
G Suppl. 7 : Loss-frequency response of channel-translating equipment used in some countries for international circuits
G Suppl. 8 : Method proposed by the Belgian telephone administration for interconnection between coaxial and symmetric pair systems
G Suppl. 17 : Group-delay distortion performance of terminal equipment
G Suppl. 19 : Digital crosstalk measurement (method used by the Administrations of France, the Netherlands and Spain)
G Suppl. 22 : Mathematical models of multiplex signals
G Suppl. 26 : Estimating the signal load margin of FDM wideband amplifier equipment and transmission systems
G Suppl. 27 : Interference from external sources
G Suppl. 28 : 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
G Suppl. 32 : Transfer of alarm information on 60-channel transmultiplexing equipment
G Suppl. 34 : Temperature in underground containers for the installation of repeaters
G Suppl. 35 : Guidelines concerning the measurement of wander
G Suppl. 36 : Jitter and wander accumulation in digital networks
G Suppl. 37 : ITU-T Recommendation G.763 digital circuit multiplication equipment (DCME) tutorial and dimensioning
G Suppl. 38 : Variable bit rate calculations for the ITU-T Recommendation G.767 Digital Circuit Multiplication Equipment (DCME)
G Suppl. 39 : Optical system design and engineering considerations
G Suppl. 40 : Optical fibre and cable Recommendations and standards guideline
G Suppl. 41 : Design guidelines for optical fibre submarine cable systems
G Suppl. 42 : Guide on the use of the ITU-T Recommendations related to optical technology
G Suppl. 43 : Transport of IEEE 10GBASE-R in optical transport networks (OTN)
G Suppl. 44 : Test plan to verify B-PON interoperability
G-100 series Suppl. 29 : Planning of mixed analogue-digital circuits (chains, connections)
G-100 series Suppl. 31 : Principles of determining an impedance strategy for the local network
G-100 series Suppl. 32 : Transmission aspects of digital mobile radio systems
I series : Integrated services digital network
I300-I399 : Overall network aspects and functions
I320-I329 : Reference models
I.326 : Functional architecture of transport networks based on ATM
I350-I359 : Performance objectives
I.351/G.820/Y.1501 : Relationships among ISDN, IP-based network and physical layer performance Recommendations
I400-I499 : ISDN user-network interfaces
I410-I429 : Application of I-series Recommendations to ISDN user-network interfaces
I.414 : Overview of Recommendations on layer 1 for ISDN and B-ISDN customer accesses
I430-I439 : Layer 1 Recommendations
I.430 : Basic user-network interface – Layer 1 specification
I.431 : Primary rate user-network interface – Layer 1 specification
I.432.1 : General characteristics
I.432.2 : 155 520 kbit/s and 622 080 kbit/s operation
I.432.3 : 1544 kbit/s and 2048 kbit/s operation
I.432.4 : 51 840 kbit/s operation
I.432.5 : 25 600 kbit/s operation
I600-I699 : Maintenance principles
I.630 : ATM protection switching
I700-I799 : B-ISDN equipment aspects
I730-I739 : ATM equipment
I.731 : Types and general characteristics of ATM equipment
I.732 : Functional characteristics of ATM equipment
I740-I749 : Transport functions
I.741 : Interworking and interconnection between ATM and switched telephone networks for the transmission of speech, voiceband data and audio signals
I760-I769 : Multiplexing aspects
I.761 : Inverse multiplexing for ATM (IMA)
I.762 : ATM over fractional physical links
Q series : Switching and signalling
Q500-Q599 : Digital exchanges
Q500-Q509 : Introduction and field of application
Q.500 : Digital local, combined, transit and international exchanges – Introduction and field of application
Q510-Q539 : Exchange interfaces, functions and connections
Q.511 : Exchange interfaces towards other exchanges
Q.512 : Digital exchange interfaces for subscriber access
Q.521 : Digital exchange functions
Q.522 : Digital exchange connections, signalling and ancillary functions
Q540-Q549 : Design objectives and measurement
Q.541 : Digital exchange design objectives – General
Q.542 : Digital exchange design objectives – Operations and maintenance
Q.543 : Digital exchange performance design objectives
Q.544 : Digital exchange measurements
Q550-Q559 : Transmission characteristics
Q.551 : Transmission characteristics of digital exchanges
Q.552 : Transmission characteristics at 2-wire analogue interfaces of digital exchanges
Q.553 : Transmission characteristics at 4-wire analogue interfaces of digital exchanges
Q.554 : Transmission characteristics at digital interfaces of digital exchanges
R series : Telegraph transmission
R1-R19 : Telegraph distortion
R.2 : Element error rate
R.4 : Methods for the separate measurements of the degrees of various types of telegraph distortion
R.5 : Observation conditions recommended for routine distortion measurements on international telegraph circuits
R.9 : How the laws governing distribution of distortion should be arrived at
R.11 : Calculation of the degree of distortion of a telegraph circuit in terms of the degrees of distortion of the component links
R20-R39 : Voice-frequency telegraphy
R.20 : Telegraph modem for subscriber lines
R.21 : 9600 bit/s modem standardized for use in the telegraph TDM system
R.22 : Data over voice 19 200 bit/s modem standardized for use on telephone network subscriber lines
R.30 : Transmission characteristic for international VFT links
R.31 : Standardization of AMVFT systems for a modulation rate of 50 bauds
R.35 : Standardization of FMVFT systems for a modulation rate of 50 bauds
R.35 bis : 50-baud wideband VFT systems
R.36 : Coexistence of 50-baud/120-Hz channels, 100-baud/240-Hz channels, 200-baud/360-Hz or 480-Hz channels on the same voice-frequency telegraph system
R.37 : Standardization of FMVFT systems for a modulation rate of 100 bauds
R.38 A : Standardization of FMVFT system for a modulation rate of 200 bauds with channels spaced at 480 Hz
R.38 B : Standardization of FMVFT systems for a modulation rate of 200 bauds with channels spaced at 360 Hz usable on long intercontinental bearer circuits generally used with a 3-kHz spacing
R.39 : Voice-frequency telegraphy on radio circuits
R40-R49 : Special cases of alternating current telegraphy
R.40 : Coexistence in the same cable of telephony and super-telephone telegraphy
R.43 : Simultaneous communication by telephone and telegraph on a telephone-type circuit
R.44 : 6-unit synchronous time-division 2-3-channel multiplex telegraph system for use over FMVFT channels spaced at 120 Hz for connection to standardized teleprinter networks
R.49 : Interband telegraphy over open-wire 3-channel carrier systems
R50-R59 : Transmission quality
R.50 : Tolerable limits for the degree of isochronous distortion of code-independent 50-baud telegraph circuits
R.51 : Standardized text for distortion testing of the code-independent elements of a complete circuit
R.51 bis : Standardized text for testing the elements of a complete circuit
R.52 : Standardization of international texts for the measurement of the margin of start-stop equipment
R.53 : Permissible limits for the degree of distortion on an international 50-baud/120-Hz VFT channel (frequency and amplitude modulation)
R.54 : Conventional degree of distortion tolerable for standardized start-stop 50-baud systems
R.55 : Conventional degree of distortion
R.56 : Telegraph distortion limits to be quoted in Recommendations for equipment and transmission plans
R.57 : Standard limits of transmission quality for planning code-independent international point-to-point telegraph communications and switched networks using 50-baud start-stop equipment
R.58 : Standard limits of transmission quality for the gentex and telex networks
R.58 bis : Limits on signal transfer delay for telegraph, telex and gentex networks
R.59 : Interface requirements for 50-baud start-stop telegraph transmission in the maritime mobile satellite service
R60-R69 : Correction of signals
R.60 : Conditions to be fulfilled by regenerative repeaters for start-stop signals of International Telegraph Alphabet No. 2
R.62 : Siting of regenerative repeaters in international telex circuits
R70-R99 : Telegraph maintenance
R.70 : Designation of international telegraph circuits
R.70 bis : Numbering of international VFT channels
R.71 : Organization of the maintenance of international telegraph circuits
R.72 : Periodicity of maintenance measurements to be carried out on the channels of international VFT systems
R.73 : Maintenance measurements to be carried out on VFT systems
R.74 : Choice of type of telegraph distortion-measuring equipment
R.75 : Maintenance measurements on code-independent international sections of international telegraph circuits
R.75 bis : Maintenance measurements of character error rate on international sections of international telegraph circuits
R.76 : Reserve channels for maintenance measurements on channels of international VFT systems
R.77 : Use of bearer circuits for voice-frequency telegraphy
R.78 : Pilot channel for AMVFT systems
R.79 : Automatic tests of transmission quality on telegraph circuits between switching centres
R.80 : Causes of disturbances to signals in VFT channels and their effect on telegraph distortion
R.81 : Maximum acceptable limit for the duration of interruption of telegraph channels arising from failure of the normal power supplies
R.82 : Appearance of false calling and clearing signals in circuits operated by switched teleprinter services
R.83 : Changes of level and interruptions in VFT channels
R.90 : Organization for locating and clearing faults in international telegraph switched networks
R.91 : General maintenance aspects for the maritime satellite telex service
R100-R119 : Time-division multiplexing
R.100 : Transmission characteristics of international TDM links
R.101 : Code and speed dependent TDM system for anisochronous telegraph and data transmission using bit interleaving
R.102 : 4800 bit/s code and speed dependent and hybrid TDM systems for anisochronous telegraph and data transmission using bit interleaving
R.103 : Code and speed-dependent TDM 600 bit/s system for use in point-to-point or branch-line muldex configurations
R.105 : Duplex muldex concentrator, connecting a group of gentex and telex subscribers to a telegraph exchange by assigning virtual channels to time slots of a bit-interleaved TDM system
R.106 : Muldex unit for telegraph and low speed data transmission using TDM bit interleaving with an aggregate bit rate higher than 4800 bit/s
R.111 : Code and speed independent TDM system for anisochronous telegraph and data transmission
R.112 : TDM hybrid system for anisochronous telegraph and data transmission using bit interleaving
R.113 : Combined muldex for telegraphy and synchronous data transmission
R.114 : Numbering of international TDM channels
R.115 : Maintenance loops for TDM-systems
R.116 : Maintenance tests to be carried out on international TDM systems
R.117 : End-to-end error performance for telegraph, telex and gentex connections involving regenerative equipment
R.118 : Performance and availability monitoring in regenerative TDM
R120-R139 : Transmission quality above 50 bauds
R.120 : Tolerable limits for the degree of isochronous distortion of code-independent telegraph circuits operating at modulation rates of 75, 100 and 200 bauds
R.121 : Standard limits of transmission quality for start-stop user classes of service 1 and 2 on anisochronous data networks
R.122 : Summary of transmission plans for rates up to 300 bauds
R140-R149 : Definitions
R.140 : Definitions of essential technical terms in the field of telegraph transmission
R150-R159 : Availability and reliability of international telegraph circuits
R.150 : Automatic protection switching of dual diversity bearers
V series : Data communication over the telephone network
V35-V39 : Wideband modems
V.38 : A 48/56/64 kbit/s data circuit-terminating equipment standardized for use on digital point-to-point leased circuits
V300-V399 : Modems on digital circuits
V.300 : A 128 (144) kbit/s data circuit-terminating equipment standardized for use on digital point-to-point leased circuits
X series : Data networks, open system communications and security
X1-X199 : Public data networks
X50-X89 : Transmission, signalling and switching
X.50 : Fundamental parameters of a multiplexing scheme for the international interface between synchronous data networks
X.50 bis : Fundamental parameters of a 48-kbit/s user data signalling rate transmission scheme for the international interface between synchronous data networks
X.51 : Fundamental parameters of a multiplexing scheme for the international interface between synchronous data networks using 10-bit envelope structure
X.51 bis : Fundamental parameters of a 48-kbit/s user data signalling rate transmission scheme for the international interface between synchronous data networks using 10-bit envelope structure
X.52 : Method of encoding anisochronous signals into a synchronous user bearer
X.53 : Numbering of channels on international multiplex links at 64 kbit/s
X.54 : Allocation of channels on international multiplex links at 64 kbit/s
X.55 : Interface between synchronous data networks using a 6 + 2 envelope structure and single channel per carrier (SCPC) satellite channels
X.56 : Interface between synchronous data networks using an 8 + 2 envelope structure and single channel per carrier (SCPC) satellite channels
X.57 : Method of transmitting a single lower speed data channel on a 64 kbit/s data stream
X.58 : Fundamental parameters of a multiplexing scheme for the international interface between synchronous non-switched data networks using no envelope structure
X.85/Y.1321 : IP over SDH using LAPS
X.86/Y.1323 : Ethernet over LAPS
X.87/Y.1324 : Multiple services ring based on RPR
Y series : Global information infrastructure, Internet protocol aspects and next-generation networks
Y1000-Y1999 : Internet protocol aspects
Y1300-Y1399 : Transport
Y.1301/G.871 : Framework of Optical Transport Network Recommendations
Y.1303/G.7041 (draft) : Generic framing procedure (GFP)
Y.1303/G.7041 : Generic framing procedure (GFP)
Y.1304/G.8080 : Architecture for the automatically switched optical network (ASON)
Y.1305/G.7042 : Link capacity adjustment scheme (LCAS) for virtual concatenated signals
Y.1306/G.8010 : Architecture of Ethernet layer networks
Y.1307/G.8011 : Ethernet over Transport – Ethernet services framework
Y.1307.1/G.8011.1 : Ethernet private line service
Y.1307.2/G.8011.2 : Ethernet virtual private line service
Y.1308/G.8012 : Ethernet UNI and Ethernet NNI
Y.1321/X.85 : IP over SDH using LAPS
Y.1322/G.707 : Network node interface for the synchronous digital hierarchy (SDH)
Y.1323/X.86 : Ethernet over LAPS
Y.1324/X.87 : Multiple services ring based on RPR
Y.1331/G.709 : Interfaces for the Optical Transport Network (OTN)
Y.1340/G.8040 : GFP frame mapping into Plesiochronous Digital Hierarchy (PDH)
Y.1341/G.8021 : Characteristics of Ethernet transport network equipment functional blocks
Y.1342/G.8031 : Ethernet linear protection switching
Y.1343/G.7043 : Virtual concatenation of plesiochronous digital hierarchy (PDH) signals
Y.1344/G.8032 : Ethernet ring protection switching
Y.1345/G.8051 : Management aspects of the Ethernet-over-Transport (EoT) capable network element
Y.1351/G.780 : Terms and definitions for synchronous digital hierarchy (SDH) networks
Y.1352/G.870 : Terms and definitions for optical transport networks (OTN)
Y.1353/G.8081 : Terms and definitions for Automatically Switched Optical Networks (ASON)
Y.1354/G.8001 : Terms and definitions for Ethernet frames over Transport
Y.1355/G.8101 : Terms and definitions for transport MPLS
Y.1361/G.8261 : Timing and synchronization aspects in packet networks
Y.1362/G.8262 : Timing characteristics of synchronous Ethernet equipment slave clock (EEC)
Y.1364/G.8264 (draft) : Timing distribution through packet networks
Y.1370/G.8110 : MPLS layer network architecture
Y.1370.1/G.8110.1 : Architecture of Transport MPLS (T-MPLS) layer network
Y.1371/G.8112 : Interfaces for the Transport MPLS (T-MPLS) hierarchy
Y.1374/G.8151 : Management aspects of the T-MPLS network element
Y.1381/G.8121 : Characteristics of Transport MPLS equipment functional blocks
Y.1382/G.8131 : Linear protection switching for transport MPLS (T-MPLS) networks
Y.1391/G.8601 : Architecture of service management in multi-bearer, multi-carrier environment
Y1400-Y1499 : Interworking
Y.1451.1/G.799.1 : Functionality and interface specifications for GSTN transport network equipment for interconnecting GSTN and IP networks
Y1500-Y1599 : Quality of service and network performance
Y.1501/G.820/I.351 : Relationships among ISDN, IP-based network and physical layer performance Recommendations
Y1700-Y1799 : Operation, administration and maintenance
Y.1701/G.7710 : Common equipment management function requirements
Y.1703/G.7712 : Architecture and specification of data communication network
Y.1704/G.7713 : Distributed Call and Connection Management (DCM)
Y.1704.1/G.7713.1 : Distributed Call and Connection Management (DCM) based on PNNI
Y.1704.2/G.7713.2 : Distributed Call and Connection Management: Signalling mechanism using GMPLS RSVP-TE
Y.1704.3/G.7713.3 : Distributed Call and Connection Management: Signalling mechanism using GMPLS CR-LDP
Y.1705/G.7714 : Generalized automatic discovery for transport entities
Y.1705.1/G.7714.1 : Protocol for automatic discovery in SDH and OTN networks
Y.1706/G.7715 : Architecture and requirements for routing in the automatically switched optical networks
Y.1706.1/G.7715.1 : ASON routing architecture and requirements for link state protocols
Y.1706.2/G.7715.2 : ASON routing architecture and requirements for remote route query
Y.1709/G.7718 : Framework for ASON management
Y.1709.1/G.7718.1 : Protocol-neutral management information model for the control plane view
Y.1720 : Protection switching for MPLS networks

 

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