ПАИ- подсистема абонентского интерфейса;

ПМИ- подсистема межстанционного интерфейса;

ПГО- подсистема глобального обслуживания;

ПОУ- подсистема общего управления;

УПДМ- модуль удалённой подсистемы доступа;

УАМ- удалённый абонентский модуль;

АЛ- абонентские линии;

СЛ- соединительные линии.



           Рисунок 3.1 – Функциональная схема системы коммутации SDX-100

 
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              





Опорная станция

 
 

 

 

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