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为了避免新建线缆在施工时挖断已有管道、电光缆,同时减少线缆敷设工作量,对改扩建工程安防系统中常用也最容易出现问题的视频监控布线方式重新进行了设计。采用基于3G的无线视频监控,通过无线传输方式将新建视频监控前端图像传至原有的视频监控后端。这种传输方式既可减少线缆敷设工作量,避免对已建站场的地面破坏,又便于后期运行维护。在站场中增设摄像前端并采用3G无线传输方式时,新增监控点可迅速加入到现有网络中,无需为新建监控点寻找可用路由和敷设电缆。
In order to avoid the construction of new cables to cut off the existing pipelines, cables, and reduce the workload of cable laying, the reconstruction of the expansion of the security system is also often the most prone to problems video surveillance cabling re-designed. The use of 3G-based wireless video surveillance, wireless transmission through the new video surveillance front-end image to the original video surveillance back-end. This method of transmission can reduce the workload of cable laying, to avoid damage to the ground has been built on the site, but also for the latter part of the operation and maintenance. When additional cameras are deployed in the station and 3G wireless transmission mode is adopted, newly added monitoring points can be rapidly added to the existing networks without searching for available routes and laying cables for the new monitoring points.