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本文结合南京广电网络Cable Modem运行维护的实际经验,在CMTS系统前端射频电路、专网接入、回传激光器工作点选择以及主动性维护方面提出了一些体会和建议。
Based on the practical experience of operation and maintenance of Cable Modem in Nanjing Broadcasting Network, this paper presents some experiences and suggestions on the selection of the working point of RF circuit, private network access and return laser and the maintenance of active laser in CMTS system.