Fiber OTDR launch box with 1000M fiber extension cable Improve testing accuracy: The OTDR launch box helps reduce blind spots in fiber links, delivering more reliable and repeatable measurements when testing networks. precision extension for OTDR tests: The 1000M fiber extension cable is designed to be used with an OTDR to extend the test range, ensuring full coverage and precise results across longer spans. Correct length for diverse scenarios: Available in a 1000M length to suit a variety of testing needs and environments. Compatibility and performance: Compatible with standard OTDR equipment, engineered to enhance measurement accuracy and extend testing reach. Use scenarios: Field verification of fiber installations, enabling extended range testing to verify continuity and locate faults along long runs. Maintenance and fault location on long fiber links, providing coverage beyond the standard test span for thorough diagnostics. Laboratory testing and characterization of fiber links, supporting precise measurements and full coverage in controlled settings.