516.016.174 / Digital Sensor Control Unit, 2z, digital controller, EN54-28, ProReact

The ProReact Digital Sensor Control Unit is an EN54 certified dual-zone alarm point distance locating module. It can monitor up to 2,000 meters (6,562 ft) across two zones of digital LHD cable. It contains the popular interlock detection mode from the ProReact Digital Interface Monitor Module (DiMM) that reduces the possibility of false alarms.