VIKING ELECTRONICS 

VIKING ELECTRONICS LDB-2 LOOP & RING DETECTION BOARD

Mfg Part Number:  LDB-2  
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Price: $93.00
Quantity:
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Last Updated: Feb 24, 2026
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, PO and Wire.

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.

Main Specification
General Information
Manufacturer Viking Electronics, Inc
Manufacturer Part Number LDB-2
Manufacturer Website Address http://www.vikingelectronics.com
Brand Name Viking Electronics
Product Model LDB-2
Product Name LDB-2 Loop Detector Module
Product Type Loop Detector Module
Physical Characteristics
Form Factor Wall Mountable
Height 2.9"
Width 2.1"
Depth 1"
Miscellaneous
Package Contents
  • LDB-2 Loop Detector Module
  • Foam Tape
  • 12 VDC Power Adapter
Additional Information
  • Detects ring voltage and loop connect
  • Screw terminal connections
  • 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
  • Contact Rating: .5A at 125VAC/1A at 30V DC
Compatibility

Viking Loop Detector Boards:

  • LDB-1
  • LDB-3
Country of Origin United States
Warranty
Limited Warranty 2 Year
product information
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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