Maintenance consists of three activities: surveillance, testing and control of NE. These are described – to monitor the condition of NE. Surveillance has two functions: to inform of NE degradation before trouble occurs, and to inform of NE abnormality when trouble occurs. Last Trans Atlantic cable laid 12 years ago. Lay according to. We support our clients globally by delivering comprehensive submarine cable maintenance and repair services to ensure their systems are protected and performing optimally. With a resolute customer focus, our team provides the full spectrum of cable repair and maintenance services ranging from a. The ITU-T (Telecommunication Standardization Sector) is a permanent organ of the International Telecommunication Union (ITU). The ITU-T is responsible for studying technical, operating and tariff questions and issuing Recommen-dations on them with a view to standardizing telecommunications on a. ITU-T handbooks provide information on topics in telecommunications such as operational aspects, network planning, quality of service, implementation guidelines, outside plant protection against electromagnetic effects, measurement methods, security and mobile systems. The scope of work includes, that patroller's team will patrol the total length of OFC routes on daily basis and keep close watch on the cable routes to prevent OFC damage.