Viking Electronics Loop and Ring Detect Board for Ring and Line in. In Usein. Contact Closures (on Ringing or Off-Hook)

- 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 provided
- Selectable NO (normally open) or NC (normally closed) relay contacts