A new NetControl model is available, named NetControl 2R4A. It has 4 alarm inputs and 2 relay outputs (SPDT). All signals are accessible through detachable screw terminals. 
New model NetControl 2R4A with 4 alarm inputs
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NetControl - reliability and flexibility
Born and raised in the ISP networks of Bulgaria
100% own design
Full control over software and hardware
Enclosures for all occasions
Stylish body, DIN rail or open-frame