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Ââåäåíèå                                                                                                                 1

Îñíîâíàÿ ÷àñòü

1.      Îáùèå ñâåäåíèÿ îá ISDN                                                                               4

1.1.  Èñòîðèÿ                                                                                                            4

1.2.  Áèáëèîãðàôè÷åñêàÿ ñïðàâêà                                                                          5

1.3.  Îáëàñòè ïðèìåíåíèÿ è óñëóãè                                                                                  6

1.4.  Ïðåèìóùåñòâà ISDN                                                                                      10

1.5.  Êîíöåïöèÿ ISDN                                                                                            11

2.      Îïèñàíèå òåõíîëîãèè                                                                                     12

2.1.  Èíòåðôåéñû ISDN: BRI è PRI                                                                                  12

2.2.  Óðîâíè îáìåíà ñèãíàëàìè                                                                            

2.2.1.      Óðîâåíü 1                                                                                                    15

2.2.2.      Óðîâåíü 2                                                                                                    16

2.2.3.      Óðîâåíü 3                                                                                                    16

3.      Ñðåäñòâà ñâÿçè ïîäêëþ÷åíèÿ ê ISDN                                                                       18

3.1.  Êîìïîíåíòû ISDN                                                                                         18

3.1.1.      Òåðìèíàëüíîå îáîðóäîâàíèå                                                                    19

3.1.2.      Òåðìèíàëüíûå àäàïòåðû                                                                           20

3.2.  Ñðåäñòâà äîñòóïà                                                                                            21

3.3.  Óñòðîéñòâà äëÿ ïåðåäà÷è äàííûõ                                                                 22

4.      Ïåðåäà÷à äàííûõ ñ ïîìîùüþ òåõíîëîãèè ADSL                                        24

4.1.  ×òî òàêîå ADSL?                                                                                            25

4.2.  Ïðèíöèïû îðãàíèçàöèè óñëóãè ADSL                                                                    27

4.3.  Universal ADSL                                                                                               30

5.      ×òî ëó÷øå ISDN èëè ADSL?                                                                          30

Ñïèñîê ëèòåðàòóðû                                                                                               34

 

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