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#1 Source in low voltage wire and cable. Call us today to learn more about special offers.
#1 Source in low voltage wire and cable. Call us today to learn more about special offers.

Trek II OTDR Single Mode 1310nm/1550nm

Various lead times may apply to this product. Please contact us for more details.

We recommend a pulse suppressor (dead-zone) box with Single Mode OTDRs.


Trek II OTDR Single Mode 1310nm/1550nm

With an unbeatable combination of a small pocket-sized form factor, a 2.8" high-resolution color LCD display, and some of the lowest pricing in the industry, Trek II single mode OTDRs are the wise choice for cost-conscious buyers who need to perform basic troubleshooting or restoration tasks on single mode optical fiber networks. All this from OTDRs that really are pocket-sized and fair priced, yet have comparable features and specifications to other OTDRs in their class.


  • 2.8" color LCD display automatically rotates based on orientation of OTDR (portrait vs. landscape)
  • Live Mode allows users to expand OTDR display onto larger laptop screen
  • Automatically locates events and places them in an internal event table
  • Full horizontal and vertical pan/zoom function
  • High resolution LCD display flips between portrait and landscape modes automatically
  • User-selectable parameters such as index of refraction test mode, pulse width, and averaging
  • Integrated user help screens
  • LC/UPC connector port
  • USB interface for downloading stored readings
  • Integrated visual fault locator
  • Re-chargeable lithium polymer battery
  • 20 hours of normal usage


Optical Specifications
Output Wavelength 1310/1550nm
Fiber Type Single Mode
Dynamic Range 28/27dB
Event Dead Zone 2 meters (typical)
Attenuation Dead Zone 5 meters (typical)
Maximum Data Points 64000
Data Point Spacing Up to 64km: 1 meter // Over 64km: 2 meters
Pulse Width 1, 2, 5, 10, 20, 50, 100, 200, 500, 1000 meters
Index of Refraction 1.4000 to 1.6000
Distance Accuracy Up to 64km: 1 + (distance in meters/10000) // Over 64km: 2 + (distance in meters/10000)
Distance Range4 128 kilometers
Number of Stored Traces Maximum trace distance: up to 200 // Minimum trace distance: 3000+
General Specifications
Display Type High-resolution Color LCD
Display Size 2.8" diagonal
Battery Type Lithium Polymer
Battery Life up to 20 hours normal usage
Dimensions 2.87" x 4.42" x 1.25"
Weight 10 ounces (284 g)
Visual Fault Locator Specifications
Output Wavelength 650nm
Output Power 1 mW
Operating Mode CW / Flash

What's In The Box

  • Qty 1 - Trek II OTDR Single Mode 1310nm/1550nm