L.1
|
Construction, installation and protection of telecommunication cables in public networks
�
|
L.2
|
Impregnation of wooden poles
�
|
L.3
|
Armouring of cables
�
|
L.4
|
Aluminium cable sheaths
�
|
L.5
|
Cable sheaths made of metals other than lead or aluminium
�
|
L.6
|
Methods of keeping cables under gas pressure
�
|
L.7
|
Application of joint cathodic protection
�
|
L.8
|
Corrosion caused by alternating current
�
|
L.9
|
Methods of terminating metallic cable conductors
�
|
L.10
|
Optical fibre cables for duct and tunnel application
�
|
L.11
|
Joint use of tunnels by pipelines and telecommunication cables, and the standardization of underground duct plans
�
|
L.12
|
Optical fibre splices
�
|
L.13
|
Performance requirements for passive optical nodes: Sealed closures for outdoor environments
�
|
L.14
|
Measurement method to determine the tensile performance of optical fibre cables under load
�
|
L.15
|
Optical local distribution networks - Factors to be considered for their construction
�
|
L.16
|
Conductive plastic material (CPM) as protective covering for metal cable sheaths
�
This Recommendation was deleted on 2011-07-08. Conductive plastic materials have not been used in the telecommunication cable industry for 20 years; therefore, there is no longer any need to standardize CPM.
|
L.17
|
Implementation of connecting customers into the public switched telephone network (PSTN) via optical fibres
�
|
L.18
|
Sheath closures for terrestrial copper telecommunication cables
�
|
L.19
|
Multi-pair copper network cable supporting shared multiple services such as POTS, ISDN and xDSL
�
|
L.20
|
Creation of a fire security code for telecommunication facilities
�
|
L.21
|
Fire detection and alarm systems, detector and sounder devices
�
|
L.22
|
Fire protection
�
|
L.23
|
Fire extinction - Classification and location of fire extinguishing installations and equipment on premises
�
|
L.24
|
Classification of outside plant waste
�
|
L.25
|
Optical fibre cable network maintenance
�
|
L.26
|
Optical fibre cables for aerial application
�
|
L.27
|
Method for estimating the concentration of hydrogen in optical fibre cables
�
|
L.28
|
External additional protection for marinized terrestrial cables
�
|
L.29
|
As-laid report and maintenance/repair log for marinized terrestrial cable installation
�
|
L.30
|
Markers on marinized terrestrial cables
�
|
L.31
|
Optical fibre attenuators
�
|
L.32
|
Protection devices for through-cable penetrations of fire-sector partitions
�
|
L.33
|
Periodic control of fire extinction devices in telecommunication buildings
�
|
L.34
|
Installation of Optical Fibre Ground Wire (OPGW) cable
�
|
L.35
|
Installation of optical fibre cables in the access network
�
|
L.36
|
Single-mode fibre optic connectors
�
|
L.37
|
Optical branching components (non-wavelength selective)
�
|
L.38
|
Use of trenchless techniques for the construction of underground infrastructures for telecommunication cable installation
�
|
L.39
|
Investigation of the soil before using trenchless techniques
�
|
L.40
|
Optical fibre outside plant maintenance support, monitoring and testing system
�
|
L.41
|
Maintenance wavelength on fibres carrying signals
�
|
L.42
|
Extending optical fibre solutions into the access network
�
|
L.43
|
Optical fibre cables for buried application
�
|
L.44
|
Electric power supply for equipment installed as outside plant
�
|
L.45
|
Minimizing the effect on the environment from the outside plant in telecommunication networks
�
|
L.46
|
Protection of telecommunication cables and plant from biological attack
�
|
L.47
|
Access facilities using hybrid fibre/copper networks
�
|
L.48
|
Mini-trench installation technique
�
|
L.49
|
Micro-trench installation technique
�
|
L.50
|
Requirements for passive optical nodes: Optical distribution frames for central office environments
�
|
L.51
|
Passive node elements for fibre optic networks - General principles and definitions for characterization and performance evaluation
�
|
L.52
|
Deployment of Passive Optical Networks (PON)
�
|
L.53
|
Optical fibre maintenance criteria for access networks
�
|
L.54
|
Splice closure for marinized terrestrial cables (MTC)
�
|
L.55
|
Digital database for marine cables and pipelines
�
|
L.56
|
Installation of optical fibre cables along railways
�
|
L.57
|
Air-assisted installation of optical fibre cables
�
|
L.58
|
[Withdrawn] Optical fibre cables: Special needs for access network
�
|
L.59
|
Optical fibre cables for indoor applications
�
|
L.60
|
Construction of optical/metallic hybrid cables
�
|
L.61
|
Optical fibre cable installation by floating technique
�
|
L.62
|
Practical aspects of unbundling services by multiple operators in copper access networks
�
|
L.63
|
Safety procedures for outdoor installations
�
|
L.64
|
ID tag requirements for infrastructure and network elements management
�
|
L.65
|
Optical fibre distribution of access networks
�
|
L.66
|
Optical fibre cable maintenance criteria for in-service fibre testing in access networks
�
|
L.67
|
Small count optical fibre cables for indoor applications
�
|
L.68
|
Optical fibre cable maintenance support, monitoring and testing system for optical fibre cable networks carrying high total optical power
�
|
L.69
|
Personal digital assistant requirements and relevant data structure for infrastructure and network elements management
�
|
L.70
|
Managing active electronics in the outside plant
�
|
L.71
|
Design, construction, and installation of network cables for broadband access including metallic networks connected to optical fibre networks
�
|
L.72
|
Databases for optical access network infrastructure
�
|
L.73
|
Methods for inspecting and repairing underground plastic ducts
�
|
L.74
|
Maintenance of cable tunnels
�
|
L.75
|
Test, acceptance and maintenance methods of copper subscriber pairs
�
|
L.76
|
Copper loop requirements for various technologies including indoor and structured cabling
�
|
L.77
|
Installation of optical fibre cables inside sewer ducts
�
|
L.78
|
Optical fibre cable construction for sewer duct applications
�
|
L.79
|
Optical fibre cable elements for microduct blowing-installation application
�
|
L.80
|
Operations support system requirements for infrastructure and network elements management using ID techonology
�
|
L.81
|
Monitoring systems for outside plant facilities
�
|
L.82
|
Optical cabling shared with multiple operators in buildings
�
|
L.83
|
Low impact trenching technique for FTTx networks
�
|
L.84
|
Fast mapping of underground networks
�
|
L.85
|
Optical fibre identification for the maintenance of optical access networks
�
|
L.86
|
Considerations on the installation site of branching components in passive optical networks for fibre to the home
�
|
L.87
|
Optical fibre cables for drop applications
�
|
L.88
|
Management of poles carrying overhead telecommunication lines
�
|
L.89
|
Design of suspension wires, telecommunication poles and guy-lines for optical access networks
�
|
L.90
|
Optical access network topologies for broadband services
�
|
L.92
|
Disaster management for outside plant facilities
�
|
L.93
|
Optical fibre cable maintenance support, monitoring and testing systems for optical fibre trunk networks
�
|
L.94
|
Use of global navigation satellite systems to create a referenced network map
�
|
L.100
|
Optical fibre cables for duct and tunnel application
�
|
L.101
|
Optical fibre cables for directly buried application
�
|
L.102
|
Optical fibre cables for aerial application
�
|
L.103
|
Optical fibre cables for indoor applications
�
|
L.104
|
Small count optical fibre cables for indoor applications
�
|
L.105
|
Optical fibre cables for drop applications
�
|
L.106
|
[Withdrawn] Optical fibre cables: Special needs for access network
�
This Recommendation was withdrawn on 14 March 2024 because its contents had become obsolete.
|
L.107
|
Optical fibre cable construction for sewer duct applications
�
|
L.108
|
Optical fibre cable elements for microduct blowing-installation application
�
|
L.109
|
Construction of optical/metallic hybrid cables
�
|
L.109.1
|
Type II optical/electrical hybrid cables for access points and other terminal equipment
�
|
L.110
|
Optical fibre cables for direct surface application
�
|
L.111
|
Optical fibre cables for in-home applications
�
|
L.125
|
Measurement method to determine the tensile performance of optical fibre cables under load
�
|
L.126
|
Method for estimating the concentration of hydrogen in optical fibre cables
�
|
L.150
|
Installation of optical fibre cables in the access network
�
|
L.151
|
Installation of optical ground wire cable
�
|
L.152
|
Use of trenchless techniques for the construction of underground infrastructures for telecommunication cable installation
�
|
L.153
|
Mini-trench installation technique
�
|
L.154
|
Micro-trench installation technique
�
|
L.155
|
Low impact trenching technique for FTTx networks
�
|
L.156
|
Air-assisted installation of optical fibre cables
�
|
L.157
|
Optical fibre cable installation by floating technique
�
|
L.158
|
Installation of optical fibre cables along railways
�
|
L.159
|
Installation of optical fibre cables inside sewer ducts
�
|
L.160
|
Optical cabling shared with multiple operators in buildings
�
|
L.161
|
Protection of telecommunication cables and plant from biological attack
�
|
L.162
|
Microduct technology and its applications
�
|
L.163
|
Criteria for optical cable installation with minimal existing infrastructure
�
|
L.200
|
Passive node elements for fibre optic networks - General principles and definitions for characterization and performance evaluation
�
|
L.201
|
Performance requirements for passive optical nodes: Sealed closures for outdoor environments
�
|
L.202
|
Requirements for passive optical nodes: Optical distribution frames for central office environments
�
|
L.203
|
Electric power supply for equipment installed as outside plant
�
|
L.204
|
Managing active electronics in the outside plant
�
|
L.205
|
Joint use of tunnels by pipelines and telecommunication cables, and the standardization of underground duct plans
�
|
L.206
|
Requirements for passive optical nodes - Outdoor optical cross-connect cabinet
�
|
L.207
|
Passive node elements with automated ID tag detection
�
|
L.208
|
Requirements for passive optical nodes - Fibre distribution box
�
|
L.209
|
Requirements for fibre optic network terminal box (FONT)
�
|
L.210
|
Requirements for passive optical nodes - Optical wall outlets and extender boxes
�
|
L.250
|
Topologies for optical access network
�
|
L.251
|
Databases for optical access network infrastructure
�
|
L.252
|
Considerations on the installation site of branching components in passive optical networks for fibre to the home
�
|
L.253
|
Access facilities using hybrid fibre/copper networks
�
|
L.254
|
Practical aspects of unbundling services by multiple operators in copper access networks
�
|
L.255
|
Implementation of connecting customers into the public switched telephone network (PSTN) via optical fibres
�
|
L.256
|
Minimizing the effect on the environment from the outside plant in telecommunication networks
�
|
L.257
|
Investigation of the soil before using trenchless techniques
�
|
L.258
|
Safety procedures for outdoor installations
�
|
L.259
|
Methods for inspecting and repairing underground plastic ducts
�
|
L.260
|
Fast mapping of underground networks
�
|
L.261
|
Design of suspension wires, telecommunication poles and guy-lines for optical access networks
�
|
L.262
|
Use of global navigation satellite systems to create a referenced network map
�
|
L.300
|
Optical fibre cable network maintenance
�
|
L.301
|
Maintenance wavelength on fibres carrying signals
�
|
L.302
|
Optical fibre outside plant maintenance support, monitoring and testing system
�
|
L.310
|
Optical fibre maintenance depending on topologies of access networks
�
|
L.311
|
Optical fibre cable maintenance support, monitoring and testing systems for optical fibre trunk networks
�
|
L.312
|
Optical fibre cable maintenance support, monitoring and testing system for optical fibre cable networks carrying high total optical power
�
|
L.313
|
Optical fibre cable maintenance criteria for in-service fibre testing in access networks
�
|
L.314
|
Optical fibre identification for the maintenance of optical access networks
�
|
L.315
|
Water detection in underground closures for the maintenance of optical fibre cable networks with optical monitoring system
�
|
L.316
|
Cable identification for the construction and maintenance of optical fibre cable networks by optical sensing techniques
�
|
L.330
|
Telecommunication infrastructure facility management
�
|
L.340
|
Maintenance of underground telecommunication facilities
�
|
L.341
|
Management of poles carrying overhead telecommunication lines
�
|
L.360
|
Operations support system requirements for infrastructure and network elements management using ID techonology
�
|
L.361
|
ID tag requirements for infrastructure and network elements management
�
|
L.362
|
Personal digital assistant requirements and relevant data structure for infrastructure and network elements management
�
|
L.390
|
Disaster management for outside plant facilities
�
|
L.391
|
Monitoring systems for outside plant facilities
�
|
L.392
|
Disaster management for improving network resilience and recovery with movable and deployable information and communication technology (ICT) resource units
�
|
L.400
|
Optical fibre splices
�
|
L.401
|
Optical fibre attenuators
�
|
L.402
|
Single-mode fibre optic connectors
�
|
L.403
|
Optical branching components (non-wavelength selective)
�
|
L.404
|
Field mountable single-mode optical fibre connectors
�
|
L.430
|
External additional protection for marinized terrestrial cables
�
|
L.431
|
As-laid report and maintenance/repair log for marinized terrestrial cable installation
�
|
L.432
|
Markers on marinized terrestrial cables
�
|
L.433
|
Splice closure for marinized terrestrial cables (MTC)
�
|
L.434
|
Digital database for marine cables and pipelines
�
|
L.1000
|
Universal power adapter and charger solution for mobile terminals and other hand-held ICT devices
�
|
L.1001
|
External universal power adapter solutions for stationary information and communication technology devices
�
|
L.1002
|
External universal power adapter solutions for portable information and communication technology devices
�
|
L.1005
|
Test suites for assessment of the universal charger solution
�
|
L.1006
|
Test suites for assessment of the external universal power adapter solutions for stationary information and communication technology devices
�
|
L.1007
|
Test suites for assessment of the external universal power adapter solutions for portable information and communication technology devices
�
|
L.1010
|
Green battery solutions for mobile phones and other hand-held information and communication technology devices
�
|
L.1015
|
Criteria for evaluation of the environmental impact of mobile phones
�
|
L.1016
|
Method for evaluation of the environmental health and safety performance of true wireless stereo headphones
�
|
L.1017
|
Environmental performance scoring of smartphones
�
|
L.1020
|
Circular economy: Guide for operators and suppliers on approaches to migrate towards circular ICT goods and networks
�
|
L.1021
|
Extended producer responsibility - Guidelines for sustainable e-waste management
�
|
L.1022
|
Circular economy: Definitions and concepts for material efficiency for information and communication technology
�
|
L.1023
|
Assessment method for circularity performance scoring
�
|
L.1024
|
The potential impact of selling services instead of equipment on waste creation and the environment - Effects on global information and communication technology
�
|
L.1027
|
Assessment of material efficiency of ICT network infrastructure goods (circular economy) - Server and data storage product disassembly and disassembly instruction
�
|
L.1028
|
Indicator for global-warming-potential impact as a function of ICT-equipment operating-lifetime extension
�
|
L.1030
|
E-waste management framework for countries
�
|
L.1031
|
Guideline for the development of an e-waste management system and achieving the e-waste targets of the Connect 2030 Agenda
�
|
L.1032
|
Guidelines and certification schemes for e-waste recyclers
�
|
L.1033
|
Guidance for institutions of higher learning to contribute in the effective life cycle management of e-equipment and e-waste
�
|
L.1034
|
Adequate assessment and sensitization on counterfeit information and communication technology products and their environmental impact
�
|
L.1035
|
Sustainable management of batteries
�
|
L.1036
|
Scheduled waste management for a base station (inclusive of e-waste)
�
|
L.1040
|
Effects of information and communication technology-enabled autonomy on vehicles longevity and waste creation
�
|
L.1050
|
Methodology to identify key equipment for environmental impact and e- waste generation assessment of network architectures
�
|
L.1060
|
General principles for the green supply chain management of information and communication technology manufacturing industry
�
|
L.1061
|
Circular public procurement of information and communication technologies
�
|
L.1070
|
Global digital sustainable product passport opportunities to achieve a circular economy
�
|
L.1071
|
A model for digital product passport information on sustainability and circularity
�
|
L.1100
|
Procedure for recycling rare metals in information and communication technology goods
�
|
L.1101
|
Measurement methods to characterize rare metals in information and communication technology goods
�
|
L.1102
|
Use of printed labels for communicating information on rare metals in information and communication technology goods
�
|
L.1200
|
Direct current power feeding interface up to 400 V at the input to telecommunication and ICT equipment
�
|
L.1201
|
Architecture of power feeding systems of up to 400 VDC
�
|
L.1202
|
Methodologies for evaluating the performance of an up to 400 VDC power feeding system and its environmental impact
�
|
L.1203
|
Colour and marking identification of up to 400 VDC power distribution for information and communication technology systems
�
|
L.1204
|
Extended architecture of power feeding systems of up to 400 VDC
�
|
L.1205
|
Interfacing of renewable energy or distributed power sources to up to 400 VDC power feeding systems
�
|
L.1206
|
Impact on ICT equipment architecture of multiple AC, -48VDC or up to 400 VDC power inputs
�
|
L.1207
|
Progressive migration of a telecommunication/information and communication technology site to 400 VDC sources and distribution
�
|
L.1210
|
Sustainable power-feeding solutions for 5G networks
�
|
L.1220
|
Innovative energy storage technology for stationary use - Part 1: Overview of energy storage
�
|
L.1221
|
Innovative energy storage technology for stationary use - Part 2: Battery
�
|
L.1222
|
Innovative energy storage technology for stationary use - Part 3: Supercapacitor technology
�
|
L.1230
|
Specifications of 10 kVAC input and up to 400 VDC output integrated power system in data centre and telecommunication room
�
|
L.1240
|
Evaluation method of safety operations and energy saving for power supply systems in telecommunication rooms or buildings
�
|
L.1241
|
Methodologies for evaluating the functionality and performance of power supply units configured for servers
�
|
L.1260
|
Reference model of a factory energy management system
�
|
L.1300
|
Best practices for green data centres
�
|
L.1301
|
Minimum data set and communication interface requirements for data centre energy management
�
|
L.1302
|
Assessment of energy efficiency on infrastructure in data centres and telecom centres
�
|
L.1303
|
Functional requirements and framework of green data centre energy-saving management system
�
|
L.1304
|
Procurement criteria for sustainable data centres
�
|
L.1305
|
Data centre infrastructure management system based on big data and artificial intelligence technology
�
|
L.1306
|
Specification of an edge data centre infrastructure
�
|
L.1307
|
Energy efficiency in micro data centres for edge computing
�
|
L.1310
|
Energy efficiency metrics and measurement methods for telecommunication equipment
�
|
L.1315
|
Standardization terms and trends in energy efficiency
�
|
L.1316
|
Energy efficiency framework
�
|
L.1317
|
Guidelines on energy efficient blockchain systems
�
|
L.1318
|
Q factor: A fundamental metric expressing integrated circuit energy efficiency
�
|
L.1320
|
Energy efficiency metrics and measurement for power and cooling equipment for telecommunications and data centres
�
|
L.1321
|
Reference operational model and interface for improving energy efficiency of ICT network hosts
�
|
L.1325
|
Green ICT solutions for telecom network facilities
�
|
L.1326
|
Requirements and use cases of liquid cooling solutions and high energy efficiency solutions for 5G BBU in centralized-RAN mode
�
|
L.1327
|
Guidelines on the selection of cooling technologies for data centres in multiple scenarios
�
|
L.1330
|
Energy efficiency measurement and metrics for telecommunication networks
�
|
L.1331
|
Assessment of mobile network energy efficiency
�
|
L.1332
|
Total network infrastructure energy efficiency metrics
�
|
L.1333
|
Carbon data intensity for network energy performance monitoring
�
|
L.1340
|
Informative values on the energy efficiency of telecommunication equipment
�
|
L.1350
|
Energy efficiency metrics of a base station site
�
|
L.1351
|
Energy efficiency measurement methodology for base station sites
�
|
L.1360
|
Energy control for the software-defined networking architecture
�
|
L.1361
|
Measurement method for energy efficiency of network functions virtualization
�
|
L.1362
|
Power management capabilities of the future energy telecommunication network nodes - Enhanced interface for power management in network function virtualization environments
�
|
L.1370
|
Sustainable and intelligent building services
�
|
L.1371
|
A methodology for assessing and scoring the sustainability performance of office buildings
�
|
L.1380
|
Smart energy solution for telecom sites
�
|
L.1381
|
Smart energy solutions for data centres
�
|
L.1382
|
Smart energy solution for telecommunication rooms
�
|
L.1383
|
Smart energy solutions for city and home applications
�
|
L.1384
|
Implementation of a virtual micro power station at base station sites
�
|
L.1390
|
Energy saving technologies and best practices for 5G radio access network (RAN) equipment
�
|
L.1391
|
Specification of IMT-2020 network sharing and co-construction adapting to climate change mitigation
�
|
L.1400
|
Overview and general principles of methodologies for assessing the environmental impact of information and communication technologies
�
|
L.1410
|
Methodology for environmental life cycle assessments of information and communication technology goods, networks and services
�
|
L.1420
|
Methodology for energy consumption and greenhouse gas emissions impact assessment of information and communication technologies in organizations
�
|
L.1430
|
Methodology for assessment of the environmental impact of information and communication technology greenhouse gas and energy projects
�
|
L.1440
|
Methodology for environmental impact assessment of information and communication technologies at city level
�
|
L.1450
|
Methodologies for the assessment of the environmental impact of the information and communication technology sector
�
|
L.1451
|
Methodology for assessing the aggregated positive sector-level impacts of ICT in other sectors
�
|
L.1460
|
Connect 2020 greenhouse gases emissions - Guidelines
�
|
L.1470
|
Greenhouse gas emissions trajectories for the information and communication technology sector compatible with the UNFCCC Paris Agreement
�
|
L.1471
|
Guidance and criteria for information and communication technology organizations on setting Net Zero targets and strategies
�
|
L.1480
|
Enabling the Net Zero transition: Assessing how the use of information and communication technology solutions impact greenhouse gas emissions of other sectors
�
|
L.1481
|
Guidance on how to address the Connect 2030 targets on net greenhouse gas abatement
�
|
L.1490
|
Framework and functional requirements of a greenhouse gas emissions management system using digital technology for the public sector
�
|
L.1500
|
Framework for information and communication technologies and adaptation to the effects of climate change
�
|
L.1501
|
Best practices on how countries can utilize ICTs to adapt to the effects of climate change
�
|
L.1502
|
Adapting information and communication technology infrastructure to the effects of climate change
�
|
L.1503
|
Use of information and communication technology for climate change adaptation in cities
�
|
L.1504
|
ICT and adaptation of agriculture to the effects of climate change
�
|
L.1505
|
Information and communication technology and adaptation of the fisheries sector to the effects of climate change
�
|
L.1506
|
Framework of climate change risk assessment for telecommunication and electrical facilities
�
|
L.1507
|
Use of ICT sites to support environmental sensing
�
|
L.1508
|
Framework for climate change adaptation in coastal cities using information and communication technology and digital technologies
�
|
L.1600
|
Overview of key performance indicators in smart sustainable cities
�
|
L.1601
|
Key performance indicators related to the use of information and communication technology in smart sustainable cities
�
|
L.1602
|
Key performance indicators related to the sustainability impacts of information and communication technology in smart sustainable cities
�
|
L.1603
|
Key performance indicators for smart sustainable cities to assess the achievement of sustainable development goals
�
|
L.1604
|
Development framework for bioeconomy in cities and communities
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L.1610
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City science application framework
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L.1620
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Guide to circular cities
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L.1630
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Framework of a building infrastructure management system for sustainable cities
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L.1631
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Reference model for firefighting infrastructure management systems for buildings in sustainable cities
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L.1632
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Identification method for building infrastructure equipment in a sustainable city
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L.1640
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Methodology for dynamic monitoring and analysis of greenhouse gas emissions in cities
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L.1700
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Requirements and framework for low-cost sustainable telecommunications infrastructure for rural communications in developing countries
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L.Sup1
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ITU-T L.1310 - Supplement on energy efficiency for telecommunication equipment
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L.Sup2
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ITU-T L.1410 - Case studies
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L.Sup3
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ITU-T L.1430 - Guidance on practical application of ITU-T L.1430 to a real-time navigation service
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L.Sup4
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Guidelines for developing a sustainable e-waste management system
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L.Sup5
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Life-cycle management of ICT goods
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L.Sup6
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ITU-T L.1300 - Supplement on a validation test of a data centre cooling method using renewable energy in a cold region
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L.Sup7
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ITU-T L.1300 - Supplement on rationale for minimum data set for evaluating energy efficiency and for controlling data centre equipment in view of power saving
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L.Sup8
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ITU-T L.1300 - Supplement on potential for primary energy savings in TLC/ICT centres through free cooling
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L.Sup9
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ITU-T L.1300 - Supplement on case study of reduction of air-conditioning energy by optical fibre based thermometry
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L.Sup10
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ITU-T L.1300 - Supplement on verification experiments related to increase of efficiency of air-conditioning and control technologies at a data centre
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L.Sup11
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ITU-T L.1300 - Supplement on verification test and feasibility study of energy and space efficient cooling systems for data centres with high density ICT devices
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L.Sup12
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ITU-T L.1300 - Supplement on experimental studies on plates and ducts installed at equipment inlets and outlets
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L.Sup13
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ITU-T L.1410 - Case study: A hybrid approach-based comparative analysis of the environmental impact of a baseline data centre and an energy-efficient data centre
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L.Sup14
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ITU-T L.1500 - Standardization gap analysis for smart water management
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L.Sup15
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ITU-T L.1500 series - Requirements for water sensing and early warning systems
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L.Sup16
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ITU-T Y.4550-Y.4699 - Smart water management in cities
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L.Sup17
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ITU-T L.1600 - Definition for smart sustainable city
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L.Sup18
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ITU-T Y.4050-Y.4099 - Smart sustainable cities: An analysis of definitions
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L.Sup19
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ITU-T Y.4900 Series - Key performance indicators definitions for smart sustainable cities
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L.Sup20
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Green public ICT procurement
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L.Sup21
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Implementation guidance for small- and medium-sized enterprises on information and communication technology supply chain due diligence concerning conflict minerals
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L.Sup22
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ITU-T L.1700 - Low-cost sustainable telecommunication for rural communications in developing countries using fibre optic cable
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L.Sup23
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ITU-T L.1700 - Low-cost sustainable telecommunications for rural communications in developing countries using microwave and millimetre radio links
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L.Sup24
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ITU-T L.1500 - Overview of climate change effects and possible impacts
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L.Sup25
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ITU-T L.1502 - Best practices for infrastructure adaptation to climate change
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L.Sup26
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ITU-T L.1410 - Case study: The assessment of greenhouse gas emissions of a hybrid satellite broadband system over its life cycle
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L.Sup27
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Supplement on success stories on e-waste management
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L.Sup28
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Circular economy in information and communication technology; definition of approaches, concepts and metrics
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L.Sup29
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ITU-T L.1700 - Low-cost sustainable telecommunication for rural communications in developing countries using cellular radio technologies
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L.Sup30
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ITU-T L.1700 - Setting up a low-cost sustainable telecommunication network for rural communications in developing countries using cellular network with capacity transfer
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L.Sup31
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ITU-T L.1700 - Setting up a low-cost sustainable telecommunication network for rural communications in developing countries using satellite systems
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L.Sup32
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Supplement for eco-specifications and rating criteria for mobile phones eco-rating programmes
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L.Sup33
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Assessment of energy consumption of information and communication technology services
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L.Sup34
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Example of hybrid lice cycle assessment of the aggregated second order effects of selected information and communication technology services
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L.Sup35
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Framework of disaster management for network resilience and recovery
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L.Sup36
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ITU-T L.1310 - Study on methods and metrics to evaluate energy efficiency for future 5G systems
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L.Sup37
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Guidance to operators of mobile networks, fixed networks and data centres on setting 1.5�C aligned targets compliant with Recommendation ITU-T L.1470
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L.Sup38
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ITU-T L.1470 - Guidance to information and communication technology manufacturers on setting 1.5�C aligned targets compliant with Recommendation ITU-T L.1470
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L.Sup39
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ITU-T L.1470 - Optical fibre cable Recommendations and standardization guideline
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L.Sup40
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Scoring tool to assess the sustainability performance of office buildings
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L.Sup41
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Requirements on energy efficiency measurement models and the role of artificial intelligence and big data
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L.Sup42
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Guidelines on the environmental efficiency of machine learning processes in supply chain management
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L.Sup43
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Smart energy saving of 5G base stations: Traffic forecasting and strategy optimization of 5G wireless network energy consumption based on artificial intelligence and other emerging technologies
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L.Sup44
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Guidelines on best practices and environment-friendly policies for effective information and communication technology deployment methods
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L.Sup45
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Radio base station site best practices
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L.Sup46
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Definitions and recent trends in circular cities
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L.Sup47
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Examples of resource saving within the information and communication technology sector
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L.Sup48
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Data centre energy saving: Application of artificial intelligence technology in improving energy efficiency of telecommunication room and data centre infrastructure
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L.Sup49
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Overview on adaptation to climate change for information and communication technology networks
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L.Sup50
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Case studies on implementation of cities' circular actions
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L.Sup51
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Case studies on city science application framework
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L.Sup52
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Computer processing, data management and energy perspective
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L.Sup53
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Guidelines on the implementation of environmental efficiency criteria for artificial intelligence and other emerging technologies
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L.Sup54
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Guidance for assessing the greenhouse gas emissions consequences of the financial effects generated by information and communication technology
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L.Sup55
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Environmental efficiency and impacts on United Nations Sustainable Development Goals of data centres and cloud computing
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L.Sup56
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Guidelines for connecting cities and communities with the Sustainable Development Goals
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L.Sup57
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ITU-T L.1420 - Scope 3 guidance for telecommunication operators
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L.Sup58
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ITU-T L.250 - National experiences for FTTx network architectures
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L.Sup59
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ITU-T L.1700 series - Low-cost sustainable telecommunication solution in rural and remote areas using WLAN/Wi-Fi for conventional telecom services like voice calling using SIP
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L.Sup60
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Example of an LCA of a mobile phone fully compliant with Recommendation ITU-T L.1410
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