Viking LDB-2 Loop and/or Ring Detector

Loop and/or Ring Detector monitors an analog phone line for ringing or an in-use condition. Features: Ideal for monitoring line status and providing a visual indication of it Detects ring voltage and loop connect Screw terminal connections Wall mountable with foam tape (included) or screws (not included) Auxiliary 12V DC output Adjustable time-out for relay closure Two sets of relay contacts included Selectable NO (normally open) or NC (normally closed) relay contacts 12V DC power adapter included Minimum Loop Current: 15 mA Minimum Ring Voltage: 40Vrms