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MAPNET II zone adapter modules (ZAMs) provide an addressable interface between conventional zone devices and the host fire alarm control panel
Operating Temperature Range: –10°C to 60°C (14°F to 140°F)
It responds to regular polls from the control panel and reports its type and the status (open/normal/short) of its Initiating Device Circuit (IDC)
or mounting boxes of various types of alarm initiating devices
The NCM-W provides two sets of switches to simplify network setup
Siemens OP121 Conventional Photoelectric Smoke Detector System Sensor 1451 MAPNET II zone adapter modulesThe microprocessor controlled, self diagnostic circuitry contained in the Siemens photoelectric (conventional) smoke detector, Model OP121, eliminates an installers need of using burdensome sensitivity test equipment. The Model OP121 auto sensitivity feature originates from its internal, self monitoring circuitry, providing dynamic verification of sensitivity and or required maintenance. This detector type is commonly found on the following Siemens
