LFD-200 Live Fiber Detectors

The LFD-200 Live Fiber Detector allows you to accurately detect traffic and measures signals anywhere on singlemode and multimode fibers without having to disconnect them. Check for signal presence before rerouting or maintenance, perform continuity tests and check cable labeling. Based on non-destructive macrobending technology, this compact live fiber detector does not disrupt traffic, nor damage or overstress the fiber, enabling efficient, accurate and reliable data acquisition.


  • Non-intrusive fiber identification
  • Traffic direction verification Key Features and Benefits
  • Traffic, optical tone and continuous signal detection
  • Direct dBm measurements
  • LFD-200E model: wide power range of 23 to -50 dBm

Ordering Information

Part NumberDescription
LFD-201 Standard live fiber detector without core power reading display (0 to -40 dBm)
LFD-202 Live fiber detector with core power reading display (0 to -40 dBm)
LFD-202E Core power reading display (23 dBm to –50 dBm)

Multiple configurations available. Please check with your TVC representative or www.tvcinc.com for details.