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PreviousHome Electronics Communication Installation Equipment Viking Electronics VK-LDB-2 Loop and Ring Detect Board for
Viking Electronics VK-LDB-2 Loop and Ring Detect Board for
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Viking Electronics VK-LDB-2 Loop and Ring Detect Board for

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Item # TDVK-LDB-2
$60.28
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Regular Price: $78.36
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Viking Electronics VK-LDB-2 Loop and Ring Detect Board for

Item Description
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 of these conditions are detected. This is ideal for monitoring line status or for providing a visual indication of such.
When monitoring for ring an internal pot can be adjusted to allow the relay closure to stay on steady or follow standard ring cadence.
The LDB - 2 comes complete with a 12 VDC power adapter and can also provide 12V DC power through its auxiliary 12V DC output terminals.
  • Control a strobe light for ring indication.
  • Provide relay closures on ring and off - hook.
  • Trigger a security camera.
  • Trigger a tape recorder.
  • Phone In Use indicator.
  • 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.
  • Made in the USA.
  • Power: 120V AC to 12V DC adapter provided.
  • Dimensions: 74 mm x 53 mm x 25mm ( 2.9 x 2.1 x 1.0 ).
  • 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.
  • Maximum Current Draw Auxiliary 12V DC Output: 350mA.
  • Minimum Loop Current: 15 mA.
  • Minimum Ring Voltage: 40Vrms.
  • Ringer Equivalence: 0.5 A REN.
  • Connections: 10 pin screw terminal block.
  • Available in 42” tall tower phone model E - 1600A - BLT - EWP (DOD 217).

    Model: LDB2


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