广播电视播出系统中的隐蔽性单点隐患及解决方案  

Solutions to the Concealed Single Point Hidden Dangers in the DVB System

作　　者：赵哲[1] ZHAO Zhe(Zhongshan Branch of Guangdong Broadcasting and Television Network Co.,Ltd.,Zhongshan 528400,China)

机构地区：[1]广东省广播电视网络股份有限公司中山分公司,广东中山528400

出　　处：《电视技术》2022年第10期196-199,210,共5页Video Engineering

摘　　要：主要介绍广东省广播电视网络股份有限公司中山分公司的中心机房播出系统。该系统在逻辑架构上已满足国家广播电视总局62号令及其实施细则规定。在重要信源、设备及外电已有备份的情况下,重新审视系统,分析总结出系统中容易被忽略的物理链路上的隐蔽性单点隐患或类似单点隐患,提出解决方案,提升系统整体的安全性。This paper mainly introduces the broadcasting system in the central computer room of Zhongshan Branch of Guangdong Radio and Television Network Co.,Ltd.Under the condition that important information sources,equipment and external power have been backed up,review the system again,analyze and summarize hidden single point hazards or similar single point hazards on the physical links that are easy to be ignored in the system,and propose solutions to improve the overall security of the system.

关 键 词：冗余备份 逻辑链路 物理链路 隐蔽性单点隐患 

分 类 号：TN948.1[电子电信—信号与信息处理]