JTC1 – SG-EEDC

1. JTC1 – SG-EEDC <ITU-T SG 5> Prepared by:Yong-Woon KIM Country: Korea (Republic of)

2. ITU-T SG 5 • Name of organisation and associated bodies • ITU-T Study Group 5, Environment and Climate Change • Working Party 1: Damage prevention and safety • Working Party 2: Electromagnetic fields: emission, immunity and human exposure • Working Party 3: ICT and climate change • Description of what this organisation is addressing • WP 3 is • responsible for studies on methodologies for evaluating the ICT effects on climate change, publishing guidelines for using ICTs in an Eco-Friendly Way, and energy efficiency of the power feeding system for data centers. • Also responsible for studying design methodologies to reduce environmental effects such as recycling related to ICT facilities, equipments, etc. • Who are the consumers • ICT service operators, manufacturers, solution vendors, etc.

3. ITU-T SG 5 • Taxonomy, terms, definitions and metrics used and introduced. • Energy efficiency metrics and measurement methods, approved as new work items at its April meeting. • Standards (certification) being proposed, developed or suggested. Current Standards. • L.1000, Universal power adapter and charger solution for mobile terminals and other ICT devices • L.metrics, Energy efficiency metrics for telecommunication equipment • L.metric_infra, Energy efficiency metrics for telecom infrastructure • L.measure, Energy efficiency measurement for telecommunication equipment • L.measr_infra, Energy efficiency measurement for telecommunication infrastructure • L.ref, Energy efficiency reference values for telecommunication equipment and infrastructure • L_methodology_ICT_ goods_and_services, Methodology for environmental impact assessment of ICT goods and services • L-methodology_ICT_projects, Methodology for environmental impact assessment of ICT projects • L_methodology_ICT_in_organisations, Methodology for environmental impact assessment of ICT within organisations • L.rareMetals, Communication formats for recycling information of rare metals in ICT products • L.DC, Data centre best practices • L.specDC, Characterizations and specifications of power feeding system, especially for xxxV DC system • L.safePowerfeed, Safety for humans and equipment of the power feeding system • L.architecture, System configuration, architecture, and cable distribution including feeding, lightning protection, EMC, earthing, and bonding of the power feeding system • L.performance, Methodologies for evaluating the performance of energy feeding and its environmental impact

4. ITU-T SG 5 • How does this relate to the scope of EEDC • SG 5 Working Party 3 consists of 5 Questions: Q17, Q18, Q19, Q20 and Q21. • Q19 deals with specifications for Direct Current feeding systems toward energy efficient data centers • Its ongoing works are • L.specDC, Characterizations and specifications of power feeding system, especially for xxxV DC system • Two alternative voltages are being considered: DC 300V and DC 380V. • L.safePowerfeed, Safety for humans and equipment of the power feeding system • L.architecture, System configuration, architecture, and cable distribution including feeding, lightning protection, EMC, earthing, and bonding of the power feeding system • L.performance, Methodologies for evaluating the performance of energy feeding and its environmental impact • L.DC, best practices for energy efficient data centers, is on the table of Q17 for coordination among Questions and may be assigned to the work item of Q19.

5. ITU-T SG 5 • Source material, references. • TD 461R1 (GEN/5), Working Party 3/5 Report (Buenos Aires, 12-16 April 2010)

6. Tick areas relevant to EEDC scope (excel doc separate)If required add new column for scope topic