This Recommendation contains analyses and predictions of the real or potential environmental consequences of a transfer to selling services instead of equipment for the global information and communication technology (ICT) industry. It is plausible that some economic realities will drive some parts...
This Recommendation: - refers to optical fibre cables with minimum visibility to be used for telecommunications access networks in the household living spaces of end users; - covers mechanical and environmental characteristics of optical fibre cable for in-home applications; - focuses on...
Description This LEC covers PPMS's that are designed to inactivate and disinfect waterborne pathogens and microorganisms within hot water distribution systems from replicating and infecting humans. These PPMS's include a water heater and distribution mixing valve, or water heater with integral...
Description This device consists of a single potable cold water supply inlet and outlet, and a single hydronic supply inlet and outlet, a means of dynamic flow control, an atmospheric vent, and two sets of three dynamic seals between the potable and hydronic flow paths. Connections Pipe threads and...
Recommendation ITU-T L.1031 describes a three-step approach for implementing the e-waste reduction target set-forth in the Connect 2030 Agenda. Step one details guidance on developing an e-waste inventory based on techniques developed by the Basel Convention and the Swiss Federal...
Description The water treatment systems covered in this LEC shall be self-regeneration anion exchange systems designed to reduce nitrate from drinking water. The systems shall use anion exchange media that prevents nitrate dumping. Depending on the influent water quality, anion exchange systems, if...
This document covers the basics of color science, including color vision fundamentals and an overview of colorimetry. It also describes color terminology, color properties of light sources, and the use of color in applied lighting, which includes discussions of common color metrics. This document...
This Recommendation aims to support public authorities in purchasing data centre related solution while taking in consideration a set of sustainable criteria. This Recommendation considers energy efficiency solution for equipment and facilities. Different physical construction solutions are...
This Recommendation covers: - fundamentals of telecommunication infrastructure facility management including the physical cabling and outdoor supporting infrastructures, - maintenance cycle/frequency as a series of inspection, diagnosis and repair for the purpose of maintaining telecommunication...
This Recommendation specifies the principles and concepts of energy efficiency metrics and measurement methods for telecommunication network equipment. This Recommendation also specifies the principles and concepts of energy efficiency metrics and measurement methods for small networking equipment...
This Recommendation aims to provide a better understanding of the energy efficiency of mobile networks in particular considering the networks' evolution in different periods of time. The focus of this Recommendation is on metrics for energy efficiency and methods of assessing (and measuring) energy...
Realization of the circular economy requires incorporating elements in product design that support the reduction of material use, reuse, recycling and recovery of products, product parts, components and materials to circulate them in the value chain for as long as possible. This Recommendation...
This Recommendation specifies a methodology for assessing and scoring, and subsequently improving, the sustainability performance of existing office buildings. The methodology described in this Recommendation provides building owners, managers and operators with a consistent framework to critically...
This Recommendation specifies a smart energy solution for telecommunication rooms. It provides design requirement for the power supply and backup systems for telecommunication rooms of the integrated access, aggregation and core types, based on the trend of fifth generation (5G), edge computing...
This Recommendation establishes requirements for data centre smart energy solutions, including those for smart power feeding, cooling and safety. This Recommendation considers energy efficiency and environmental impacts for all solutions, including combined cooling heat and power (CCHP) systems,...
This Lighting Practice document is intended to help designers, users, commissioning providers, and other interested parties understand fundamental characteristics and purposes of lighting control systems. These may include design considerations, energy-saving strategies, equipment, and the variety...
This Recommendation provides detailed trajectories of greenhouse gas (GHG) emissions for the global information and communication technology (ICT) sector and sub-sectors that are quantified for the year 2015 and estimated for 2020, 2025 and 2030. In addition, it defines a long-term ambition for...
This document provides detailed discussions and guidelines on the design and performance of these systems. The contents of this document are of value to architects, electrical and mechanical engineers, interior designers, landscape architects, contractors, equipment and material manufacturers, as...
This Recommendation defines power-feeding solutions for 5G, converged wireless and wireline access equipment and networks, while taking into consideration their enhanced requirements on service availability and reliability, new deployment scenarios, together with the environmental impact of the...
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