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