Calibration Business Division


SmartOTU is a standalone remote fiber test solution that can automatically detect and locate faults and monitor fiber networks under both in-service and dark fiber monitoring applications.

SmartOTU is an innovative solution that monitors critical fibers in small private networks. It can be played right out of the box with no training or IT configuration required. When a fiber event occurs, it alerts users within minutes either by email, SMS or SNMP. Learn more about Fiber Testing and Fiber Monitoring.


  • Reduce Mean-Time-To-Repair by locating fiber faults in minutes
  • Improve network security by quickly pinpointing any fiber intrusion
  • Avoid service disruptions by detecting any fiber degradation in advance
  • Improve service assurance and SLA contracts
  • Ready to deploy out of the box with no local PC or Server required


  • Fiber monitoring of data centers, industrial sites, and municipalities
  • Network security — fiber tapping detection
  • Storage Area Network security for banking and finance
  • Submarine cable protection
  • OEM for System Integrators
  • Data center interconnect monitoring for high uptime

Key Specifications

  • Web-enabled software interface for ease of use
  • Highest fiber fault accuracy with Industry’s leading OTDR series – Learn about OTDR Testing
  • Highly integrated 2RU unit with no local PC required
  • Modular OTDR and Switch design for multiple applications
  • Email, SMS and SNMP alert messages