Viking VK-LDB-3 Loop And Ring Detect Board For Ring And Line In. In Usein. Contact Closures (during Ringing Andor Off-hook)

<ul class="noindent"><li>Viking Advanced Loop Detector loop detect board for ring and line "in use" contact closures</li><li>Provide a contact closure during ringing and/or off-hook</li><li>Monitors an analog phone line for ringing or an off hook condition</li><li>A built-in relay can be activated when either of these conditions are detected</li><li>This is ideal for monitoring line status or for providing a visual indication of such</li><li>Disable input is ideal for two-button emergency phones, such as Viking's E-1600-20A, allowing "Info" button calls to be placed without activating the relay (turning on the emergency strobe light, camera, etc.)</li><li>3 DIP switches are provided for turning ring detection on or off, off-hook loop detection on or off and for selecting a ring cadence mode which allows the relay to follow ringing or to remain activated during the off time of standard ring cadence</li><li>Complete with a 12 VDC power adapter</li><li>Can also provide switched 12VDC .35 Amp output to power external lights, etc. during ringing and/or off-hook conditions</li><li>Applications: control a strobe or beacon light for ring indication, provide relay closures on off-hook, trigger a security camera, trigger a tape recorder, phone "in use" indicator</li><li>Detects ring voltage and off hook loop current</li><li>On/off switches for ring detection and off hook/loop detection</li><li>Screw terminal connections</li><li>Selectable ring cadence mode (relay can remain on between rings)</li><li>Wall mountable with foam tape (included) or screws (not included)</li><li>Switched 12V DC output (follows relay activation for powering strobe lights, cameras, etc.)</li><li>One set of (NO) normally open and (NC) normally closed relay contacts provided</li><li>Disable input, ideal for use with two-button emergency phones (E-1600-20A), will not activate relay on "Info" calls</li><li>Made in the USA</li><li>1 Year manufacturer's warranty</li><li>Power: 120V AC to 12V DC adapter provided</li></ul>