VIVOTEK IP2121 User Manual

 

 
 
 
 
 

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69

Advanced functions 

NetworKam provides flexible interfaces to cover most surveillance applications. By easy script 

programming user can utilize up to four sensors with any signal pattern to monitor the environment. Users 

may also use internal motion detection feature to combine with attached sensors to achieve best 

surveillance. Once inputs or image variation meet the condition at real-time checking, NetworKam will 

not only capture the images continuously but also e-mail or FTP to the preset e-mail address or FTP folder 

and/or drive relays according to user-defined patterns. Generally the relays can be used to control alarms, 

lights or door locks. 

 

The condition script and motion detection are described in detail in the previous section. When the 

condition is matched, the system will keep the intermittent captured images in memory as pre-alarm 

snapshots and store the current images to the snapshots of the moment of trigged. Subsequently the 

images captured at the next interval will be stored as post-alarm snapshots. The snapshots related to 

occurring event will be overwritten when another event occurs. That means NetworKam will keep these 

snapshots until another event occurs. Regarding to I/O event mode, it is recommended that programming 

digital inputs with ‘\’ or ‘/’ instead of ‘H’ or ‘L’ to prevent from frequent triggers.