有线数字电视系统的CAS区域控制

Digital Cable Television System CAS Control Region

根据同煤集团有线电视网络的现状和业务发展的需要,需对用户采取区域控制措施。介绍CAS系统支持区域控制的功能,在总前端机房将网络从物理上一分为二,再从QAM上发送不同的NetworkID,以确保不同区域用户无法窜机窜卡使用,并且为今后业务的扩展进行预留。

According to the need of Datong Coal Mine Group cable TV network status and business develop-ment , need to regional control policy on user .The premise of CAS system to support regional control function , in the front room of the network from the physical one divides into two , from the QAM NetworkID send differ-ent , to ensure that users in different regions cannot be channeling channeling card machine .And for the future business expansion were reserved .