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ITU-T - International Telecommunication Union/ITU Telcommunication Sector: Recent submissions
Now showing items 1-20 of 12687
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Characteristics of monitoring systems for optical submarine cable systems
Abstract: Recommendation ITU-T G.979 is concerned with the characteristics of monitoring systems for optical fibre submarine cable systems. It covers the aspects relating to functional architecture, the characteristics of monitoring ... -
10-Gigabit-capable symmetric passive optical network (XGS-PON)
Abstract: Recommendation ITU-T G.9807.1 describes a 10-Gigabit-capable symmetric passive optical network (XGS-PON) system in an optical access network for residential, business, mobile backhaul and other applications. This system ... -
ITU-T G.9701 (2014) Cor. 3 (04/2017)
Abstract: Corrigendum 3 to Recommendation ITU-T G.9701 (2014) adds several clarifications, and fixes various errors and inconsistencies. -
ITU-T G.9701 (2014) Amd. 3 (04/2017)
Abstract: Amendment 3 to Recommendation ITU-T G.9701 (2014) supports the following new functionality: full specification of the 212 MHz profile, Annex X – Operation without multi-line coordination intended for a crosstalk free ... -
General features of optical fibre submarine cable systems
Abstract: Recommendation ITU-T G.971 applies to optical fibre submarine cable systems. The purpose of this Recommendation is to identify the main features of optical fibre submarine cable systems, and to provide generic information ... -
Characteristics of repeaterless optical fibre submarine cable systems
Abstract: Recommendation ITU-T G.973 is concerned primarily with the system performance and interface requirements of repeaterless optical fibre submarine cable systems. It considers both single wavelength systems (SWS), wavelength ... -
Definition of terms relevant to optical fibre submarine cable systems
Abstract: Recommendation ITU-T G.972 applies to optical fibre submarine cable systems. The purpose of this Recommendation is to provide definitions of terms relevant to optical fibre submarine cable systems, including terms relevant ... -
ITU-T G.9701 (2014) Amd. 1 (05/2016)
Abstract: Amendment 1 to Recommendation ITU-T G.9701 (2014) specifies test parameters, some of which had previously been left for further study, and specifies support for low power operation. -
Establishing and connecting regional Internet exchange points to reduce costs of international Internet connectivity
Abstract: Recommendation ITU-T D.52 guides regional collaboration to establish central hubs or Internet exchange points (IXPs) that enable local Internet traffic to be routed locally, saving international bandwidth and reducing the ... -
ITU-T G.9701 (2014) Amd. 2 (07/2016)
Abstract: Amendment 2 to Recommendation ITU-T G.9701 includes a new Annex on cross-layer traffic monitoring functions and link state control to support low power operation. It also includes a new 106 MHz profile with increased maximum ... -
ITU-T G.9701 (2014) Cor. 2 (05/2016)
Abstract: Corrigendum 2 to Recommendation ITU-T G.9701 (2014) increases the number of RFI bands from 16 to 32, and provides clarifying text on alignment between TIGA and SRA/FRA procedures, tone repetition, unavailable seconds, and ... -
Architecture of optical transport networks
Abstract: Recommendation ITU‑T G.872 describes the functional architecture of optical transport networks (OTN) using the modelling methodology described in Recommendations ITU‑T G.800 and ITU‑T G.805. The OTN functionality is described ... -
Optical transport network: Protocol-neutral management information model for the network element view
Abstract: Recommendation ITU-T G.874.1 provides a protocol-neutral management information model for managing network elements in the optical transport network (OTN). The model contains the managed entities and their properties that ... -
Optical transport network physical layer interfaces
Abstract: Recommendation ITU-T G.959.1 provides physical layer inter-domain interface (IrDI) specifications for optical networks which may employ wavelength division multiplexing (WDM). The IrDIs within the optical transport network ... -
ITU-T G.9700 (2014) Amd. 1 (09/2016)
Abstract: Amendment 1 to Recommendation ITU-T G.9700 (2014) provides support for a new 106 MHz profile with +8 dBm maximum aggregate transmit power. -
Terms and definitions for optical transport networks
Abstract: Recommendation ITU-T G.870/Y.1352 provides terms, definitions and abbreviations used in optical transport network (OTN) Recommendations. In this edition, Recommendations (namely Source Recommendation per term) are identified ... -
ITU-T G.9700 (2014) Amd. 2 (06/2017)
Abstract: Amendment 2 to Recommendation ITU-T G.9700 (2014) aligns the text of clause 6.5 on notching of specific frequency bands with ITU-T G.9701 (2014) and its latest amendments, completes the specification of 212 MHz profiles, ... -
Timing characteristics of telecom boundary clocks and telecom time slave clocks
Abstract: Recommendation ITU-T G.8273.2/Y.1368.2 specifies minimum requirements for time and phase for telecom boundary clocks and telecom time slave clocks used in synchronization network equipment that operates in the network ... -
ITU-T G.8272/Y.1367 (2015) Amd. 1 (04/2016)
Abstract: Recommendation ITU-T G.8272/Y.1367 specifies the requirements for primary reference time clocks (PRTCs) suitable for time, phase and frequency synchronization in packet networks. It defines the error allowed at the time ...