宽带综合业务数字网B-ISDN

Broadband Integrated Services Digital Network B - ISDN

数字化、网络化、信息化,一场新的信息技术革命铸造一个综合各种信息业务的大容量、易交换、高稳 定、智能化的高速数据多媒体通信网——宽带综合业务数字网B—ISDN。

Along with digitization,latticing and informatization.the revolutions of new information technologies are building , an easy - for - exchanging, intelligentized high - speed data multimedia communication network with higher stability and larger capacity which can support wide variety of services-Broadband Integrated Services Digital Netword. And ATM,optical switching and SDH are three mainly backbones of B- ISDN.