论文部分内容阅读
近几年,随着安防行业的高速发展,安防设备的应用范围在不断扩大,基本涵盖了商业、金融、学校、社区、家庭、特殊行业等应用领域。线缆作为安防系统核心的传输介质,其重要的“桥梁”连接作用关系到整个安防系统是否可以正常工作。本文以线缆的结构和技术特性做一个简要分析。线缆结构及应用特性线缆作为弱电系统的一部分,其产品种类包括视频线、射频线、屏蔽与非屏蔽、控制线、信号线等,在视频监控、防盗报警、楼宇对讲、门禁控制
In recent years, with the rapid development of the security industry, the application range of security devices is constantly expanding and basically covers such fields as commerce, finance, schools, communities, families and special industries. Cable as the core of the security system transmission medium, the important “bridge ” connection is related to whether the entire security system can work properly. In this paper, the cable structure and technical characteristics to do a brief analysis. Cable Structure and Application Features As a part of the weak system, cable products include video cables, RF cables, shielding and unshielded cables, control cables and signal cables. They are widely used in video monitoring, burglar alarm, building intercom, access control