数据广播播出服务端，基于蓝拓扑的码流播发卡编写，使用时必须插卡，播出的数据广播可在支持数据广播的机顶盒上收看。早几年为单位编的系统测试程序。-Broadcast data broadcasting server, based on the blue card topology broadcast stream is written to use the card, the data broadcast data broadcasting can be in support of the set-