HFC网络回传通道关键点及信号混合的探讨

Discussion about the Key Point of HFC Network Return Path Channel and Signal Mixture

讨论了有线电视宽带综合信息HFC网络中回传通道关键点的设置与调试,以及回传信号在前端或分前端中CMTS头端机上的混合接入等问题。着重研究和探讨了反向链路中关键点的电平调整范围、CMTS在前端或分前端的连接方法及回传信号传输需要考虑的一些问题。

This text discussed the setting and adjustment in CATV broadband information of HFC network and the key point of return path channel, as well as the question of mixture connection of return path signal in the front or CMTS in the front. Investigate and discuss level adjustment range of the key point of reverse link, needful question of CMTS' connection method and return path signal transmitting.