???????? ???????????? ???? SDH

Подобные документы

• 1. ?????????????? ????? ? ?????????? Integrated Services Digital Network

  ????? ???????? ? ???? Integrated Services Digital Network: ??????? ????????, ??????????, ????????????, ?????????????. ???? ????????????????? ??????????, ??????? ???????????? ??????????. ????????? ? ?????, ???? ??????????. ??????????? ???????????? ? ????.
  
  ???????? ??????, добавлен 21.07.2012
  

• 2. ?????????? ?????????? ?????

  ????????????? ?????????????? ???????????????????? ???????? - ??????? ?????????? ????? (POTS), ?????????? ?????, Switched 56, ISDN, frame relay, SMDS, ATM ? Synchronous Optical Network (SONET), ?? ??????????? ? ??????????. ???????? ???????????? ????? X.25.
  
  ???????? ??????, добавлен 21.11.2009
  

• 3. Digital transmission system (DTS)

  Analyses o the current situation on the project and the development of their technical realization. Brief description of the existing zonal area network. Basic requirements for communication lines. Calculation of the required number of channels.
  
  ????????? ??????, добавлен 20.09.2016
  

• 4. ???? ISDN

  ???????? ???? ? ??????????? ????? (Integrated Services Digital Network), ???????? ?????????? ? ???????????? ????????????? ???????? ?????? ? ??????. ??????? ?????????? ????? ISDN, ????????????? ?????????????, ????????????, ???????????; ?????????? ?????.
  
  ??????????? ??????, добавлен 29.04.2011
  

• 5. ?????????? ???????? ??????????? ????? (Digital Subscribe Line, DSL)

  ???????? ?????????? ? ???????? ?????????? ???????? ??????????? ????? (DSL). ???? ? ??????? ?????????? ??????????????. ???? ??????????? ? ???????????? ????. ??????????? ? ?????????????????? ???????? ???????? ??????????. ???????? ???????????? DSL.
  
  ???????, добавлен 01.11.2009
  

• главная
• рубрики
• по алфавиту
• вернуться в начало страницы
• вернуться к подобным работам