Loop/Ring Detect Circuit (Model LDB-2)

NEW
The LDB-2 Ring/Loop Detector monitors an analog phone line for ringing or an in use condition. A built in relay can be activated when either or both of these conditions exist.
Provide a Contact Closure on incoming Ring as Well as Loop
The LDB-2 Ring/Loop Detector monitors an analog phone line for ringing or an in use condition. A built in relay can be activated when either or both of these conditions exist.

When in the ring detect mode, an internal pot can be adjusted to allow the relay closure to stay on steady, or follow the incoming ring cadence. The LDB-2 comes complete with a 12 VDC power adapter.

Applications
  • Control a strobe light for ring indication.
  • Security camera trigger
  • Call recording switch
  • Phone “In Use” indicator
  • “Dead Line” detector
  • A-Lead Control
Features
  • Relay and lines connect via terminal block
  • Wall mount with screws or foam tape
  • Adjustable time-out for ring detection
  • Two sets of contacts provided
  • Jumper select NO or NC configuration
  • Made in the USA
  • 1 Year Warranty
Specifications
  • Power: 120Vac to 12Vdc adapter provided
  • Dimensions: 74mm x 53mm x 25mm (2.9” x 2.1” x 1.0”)
  • Shipping Weight: 0.4 kg (0.86 lbs.)
  • Environmental: -26° C to 54° C (-15° F to 130° F) with 5% to 95% non-condensing humidity
  • Contact Rating: .5A @ 125V AC/1A @ 30V DC
  • Loop Current: 15 mA min.
  • Ring Voltage: 40Vrms min.