Spec Sheet Preview: The Alpha Communications® / TekTone NC110N series audible/visual nurse-call system is designed for health-care applications where voice communication is not required. When a remote station is activated, the NC110N annunciator will sound an electronic tone and will light, indicating the location of the call. The tone signal can be silenced at the master station (and/or at the optional LI150B remote duty station(s) for non-emergency calls). The individual switch/light will remain …