- Splicer repair and diagnostics (DVP, FUJIKURA, FiberFox, SignalFire, Eloik, Inno and others)
- Setting up digital stations and individual modules, encoders, multiplexers, transmitters, EDFA
- Design and design of GEPON / GPON networks
- Certification of LANs
- Repair and diagnostics of digital stations, modulators, amplifiers, optical nodes, STBs, media converters, transmitters and other electronics.