A update is now available for the following VIAVI OTDRs: MTS-2000V2, MTS-4000V2, ONA-800, SmartOTDR & Optimeter. Download the latest version by selecting your reflectometer model via the button below: Download latest updateThe new 25. This latest. Guided and automated referencing for MPO test cables Support for high fibre count projects with integration of Cable-SLM and MPO switch module with FiberComplete PRO MPO polarity mapper Instruments/mainframes (Optimeter, SmartOTDR, T-BERD/MTS-2000 V2, and -4000 V2) Secure you instrument with. • Reduces false splice detections on the fiber link, launch & receive cables • Reduces false elements detection in the noise • Enhances fiber end detection for highly reflective fiber ends • Resolves occasional acquisition time slow-down • PON: Corrects random incorrectly labeled detected elements. FTTH-SLM: Updated splitter detection criteria in discover mode. Launch and receive cable information addition into pdf report. VIAVI default splice threshold changed to 0. Configuration file overwrite management. Locked markers no longer lost during consecutive tests. Thank you for being a VIAVI customer and maintaining current software. Automatic software updates help make the most of your product, which include feature enhancements, usability improvements, bug fixes and security maintenance.