RICHARDSON, Texas, Sept. 11, 2015 — Anritsu Co. offers optical time domain reflectometer (OTDR) modules for its Network Master Pro MT1000A all-in-one transport tester. The OTDR modules can operate as standalone devices or be installed with available multirate transport modules to create a handheld solution for field technicians. The devices ensure the optical performance of mobile, metro access or long-haul networks during installation and maintenance. Key properties and characteristics, such as overall cable length, loss, optical return loss, splice loss, connector loss and reflectance, can be verified and documented. High resolution and dynamic range up to 46 dB ensure quick and thorough fiber evaluation of single-mode or multimode fibers.