Metro Taipei is the most used public traffic system in Taipei. The daily traffic reaches over 120 million passengers. It is significant to every Taipei citizen that the metro system operates smoothly under any weather condition, especially in typhoon season. 

Metro Taipei chosen ACTi unified IP solution to monitor their water gate system for typhoon flood resistant. With ACTi ACD-2200 video server and ACTi NVR in each metro station; the guard manager can ensure that once the water is over the high water mark; the water gate will be dropped down and heaved after the water is lower than safety water mark via monitor. 

Metro Taipei deployed ACD-2200 which equipped with, per channel, two pairs DIDO in both side of the water gate, once the sensor in the water gate was triggered, NVR will pop out D1 30pfs video simultaneously in control room monitor. The guard manager can check if the water gate control system is function properly.
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With ACTi each metro station can get good quality video in real time for monitor water gate system. ACTi NVR also supports multi site simultaneous preview and recording. Therefore, central station guard mangers can also monitor any station they would like to in real time. 

"ACTi IP solution's DIDO function and real time smooth video is the best fulfilled for the water gate control system surveillance requirement. Plus free 16 channels NVR, customer is very satisfied with the reasonable cost and great service." said Allan Chou, ACTi Territory Sales Manager.

System Architecture