Pen-type Fiber Optic Tester 1.Operates either in CW or Pulsed mode ... finds breakpoints, poor connections, bending or cracking in fiber optic cables; and it can find faults in an OTDR dead ... Fiber routing and continuity checking in optical networksv Other fiber optic measurementsFeaturesv 2.5mm universal connector,for 1.25mm connectors, ... unit, User Manual,Individual packing Pen-type Fiber Optic Tester