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无源光网络打破了传统点到点的解决方案，是一种经济的，面向未来的宽带接入技术，而GPON能提供几比特以上的高速率的业务接入，成为了PON发展方向，实现语音，数据
在光纤网络技术的不断发展中，波分系统在城域网中起到了重要作用，它是日益增长的城域网组网的理想选择。波分系统技术也在不断的完善和进步，从单波速率从2.5G到10
EOC（Ethernet Over Cable）是基于有线电视同轴电缆网使用以太网协议的接入技术。EoC系统由头端、终端、同轴分配网等部分组成。头端一般放在光
FTTH as the ultimate direction of future development of broadband access network
At present, the number of Chinese cable television network users has reached mor
At present, the number of Chinese cable television network users has reached mor
With the pace of development of triple play, our Tv network and television oper
In recent years, hundreds of millions of residents of residential users demand
While large enterprises continue to develop its network scale is constantly exp
Power system has access points scattered field complex environment, the access
1. Optical wavelength division multiplexing (WDM) technology WDM (Wavelength Di
XYT-CWDM (Coarse Wavelength Division Multiplexing) sparse wavelength division m
EDFA in WDM systems can be used as a preamplifier, line amplifiers and power amp
In recent years, WDM technology mainly in two directions toward the ultra-long-r
At present, the main use EPON optical access network, or GPON, both up and down
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