Communication with light guide fibers (fiber optic) Frame services digital network (ISDN Integrated Service Digital Network:) Taching mains networking (switching technology). Wireless communication (wireless communication).
Communication with fiber optic (fiber optic) Integrated Services Digital (Integrated Service Digital Network: ISDN) Network Switching (switching technology) wireless communication system (wireless communication).
Cryptococcosis (fiber optic).Integrated musical instrument (Integrated Service Digital Network: ISDN).The network switching (Switching Technology).Wireless communication systems (wireless communication).