The Remote Fiber Test System (RFTS) comprises the RTU-4000 platform with the RTU-4100 OTDR optical test module. The RFTS monitors optical fiber infrastructures in Core, Metro, Access and FTTx/PON networks with or without traffic, improving workflow and reducing Mean Time to Repair. VeEX ® Service centers offer repair, maintenance and calibration services. Qualified technicians will upgrade, service, and calibrate your unit, ensuring the latest enhancements are installed and performance specifications are met. Service centers are located in Fremont, California; Largo, Florida;. Centrally and remotely managed OTDR unit for auditing, troubleshooting and monitoring FTTx fibers. It features a high-end OTDR (optical time domain reflectometer), an optical switch for 16 or 64 ports and all necessary electronical components in a single neat unit, that can be installed in a. As a component of Grandway's remote fiber optic testing and monitoring solution, RTU-4000 is a standard 1U height testing unit that can be remotely controlled through Grandway's central fiber monitoring system platform. OTDR modules and optical switches enable centralized.