PON系统中的光链路检测技术研究

Research on Optical Link Supervision Technology in PON System

本文通过对PON系统的分析,提出了光链路检测技术的重要性;然后,详细研究了PON系统中光链路检测技术的实现方式,综合考虑成本、实现难度、有效性等因素,提出了双端光模块参数测量是现阶段最佳的实现方式。此外,还分析了双端光模块参数测量中接收光功率测量的实现方法,提出了光模块参数的技术指标要求。最后,给出了几个应用双端光模块参数测量进行故障分析的典型案例。

In the paper, based on analysis of PON characteristics, importance of optical link supervision technology was introduced firstly. Then, three implementation technologies of optical link supervision in PON system were investigated in detail. Based on synthetization of the cost, benefit, realizability, etc., the double-end optical transceiver parameter measurement is proposed to be the best way to achieve optical link supervision currently. In addition, in the paper measurement methods of received power in the double-end optical transceiver parameter measurement was analyzed, and the technical requirements for optical transceiver parameter measurement were given. Finally, several application cases of optical link diagnosis via double-end optical transceiver parameter measurement were given.