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为了在“本世纪末实现村村通广播电视”,各地都在采用光缆进行联网。商丘市有线电视台自1999年3月开始在市属两区乡镇实施光缆联网工作,在这个过程中是采用1310nm系统还是采用1550nm系统,这也正是各地进行乡镇光缆联网时共同面对的问题,对此我们从以下几个方面进行了比较。
In order to “realize village radio and television by the end of this century”, all are using fiber optic cable for networking. Shangqiu cable television station since March 1999 in the municipal two districts and towns in the implementation of fiber optic cable networking in this process is the use of 1310nm system or the 1550nm system, which is the same throughout the township optical cable network face the same problem, For this we compare from the following aspects.