Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.



Published on

  • Be the first to comment

  • Be the first to like this


  1. 1. Royal University of Phnom PenhMIS ដដដដដដដដដដដ Mr Kean Tak ដដដដដដដដដដដ Slide :32-36Telecommunication Hardware 1/ Ny Rachakna 6/Ly Limkri 2/Ngin Visal 7/Ly Sotharith 3/Orm SovannTara 8/Meng Chheng 4/My Poleak 9/Ngim Ratana 5/Loy Sakvanna 10/Nhem Ratbophea
  2. 2. Telecommunication HardwareSmartphones Conmbine the funtionality of a mobile phone .camera.Web browser. E-mail tool. MP3 player . And other devices Have their own software oprating systemsModems Modulationdulation devices (analog/digital)MultiplexersCombine data from multiple data sources into asingle output signal that carries multiple channels
  3. 3. How a Modem Works
  4. 4. Multiplexer to Consolidate DataCommunications onto aSingleCommunications Link
  5. 5. Front-end processors and PBXFront-end processors:special-purpose computers that managecommunications to and from a computersystemPrivate branch exchange(PBX):Telephone switching exchange thatserves a single organization
  6. 6. Switches Bridges Router GatewaysSwitches : Uses the physical deviceaddress in each incoming message in thenetworkBridge : Connects two LANs togetherusing the same telecommunications protocolRouter : Forwards data packets acrosstwo or more distinct networks toward theirdestionsGateway : seves as an entrance toanother network
  7. 7. ដដដដដដដដ