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Construction, installation and protection of cables and other elements of outside plant
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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

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.1000

Universal power adapter and charger solution for mobile terminals and other ICT devices  

L.1001

External universal power adapter solutions for stationary information and communication technology devices  

L.1005

Test suites for assessment of the universal charger solution  

L.1010

Green battery solutions for mobile phones and other hand-held information and communication technology devices  

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.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.1300

Best practices for green data centres  

L.1310

Energy efficiency metrics and measurement methods for telecommunication equipment  

L.1320

Energy efficiency metrics and measurement for power and cooling equipment for telecommunications and data centres  

L.1340

Informative values on the energy efficiency of telecommunication equipment  

L.1400

Overview and general principles of methodologies for assessing the environmental impact of information and communication technologies  

L.1410

Methodology for the assessment of the environmental impact 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.1500

Framework for information and communication technologies and adaptation to the effects of climate change  

L.Sup1

ITU-T L.1310 - Supplement on energy efficiency for telecommunication equipment  

L.Sup2

ITU-T L.1410 - Case studies  

L.Sup3

ITU-T L.1430 - Guidance on practical application of ITU-T L.1430 to a real-time navigation service  

 

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Updated : 2014-10-15