Passive optical network based on ATM(ATM-PON) is a very important technology to realize the broadband and integrated service access in the future.
以ATM为基础的无源光网络（ ATM- PON）是未来实现宽带、多业务综合接入的重要技术手段。
With the fast development of HFC broadband access and broadband IP network technology, modern CATV network is developing to a broadband integrated service network plant.
随着HFC 宽带接入技术和宽带IP 网络技术的飞速发展，现代有线电视网正不断向宽带综合业务网络平台演进。
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