What Transmission Media Is Used for Normal Telephone Service
However some time they cannot be used for distance communication. Fiber Optics Cable Coaxial Cable. Introduction Dr John Sum Institute Of Electronic Commerce Ppt Video Online Download For example TV wire is usually coaxial. . The first telephone lines employed the same type of outdoor circuits as telegraph linesnamely a single noninsulated iron or steel wire supported by wooden poles with glass insulators. A single transponder operates within a 36-megahertz bandwidth and is assigned one of many functions including voice telephony at 400 two-way voice channels per transponder data communication at transmission rates of 120 megabits per second or higher television and FM radio broadcasting and VSAT service. UTP is the copper media inherited from telephony which is being used for increasingly higher data rates and is rapidly becoming the de facto standard for horizontal wiring the connection between and including the outlet and the terminatio...