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26 agust 2014, thusday

Kazakhstan's Kcell Posts Rise in Profits and Revenues

Kazakhstan's Kcell has announced its first quarter financial results

25 agust 2014, monday

MER Group Wins Kazakh Tower Deployment Contract

MER Group says that it has been chosen to provide tower infrastructure solutions to an unnamed mobile operator in Kazakhstan.

All news

Broadband networks

Design, construction and maintenance of structures of a passive optical network using PON technology

The main advantages of PON

  • Absence of intermediate active nodes
  • Savings of optical transceivers in the central node
  • Saving of fibers
  • High throughput
  • Low damping factor
  • Absence of electromagnetic effects
  • Small size and small weight of optical cables
  • High reliability of components
  • The wide range and high quality of services
  • Easy to connect new subscribers and serviceability
  • Prospect of infrastructure
  • Modern varieties of PON


  • GPON - passive optical network that uses ATM technology and provides gigabit rates of data transfer
  • GEPON - passive optical network that uses Ethernet technology and gigabit rates of data transfer
  • Block diagram of the optical subscriber access network