OTDR Launch Cable Box — Single-Mode, SC UPC/APC Connector, 500m / 1640.4ft for 1310nm & 1550nm Testing, Portable Fiber Test Lead

Compact single‑mode OTDR launch cable packaged in a portable retractable box to eliminate OTDR dead zones and deliver more accurate trace results. Designed for testing single-mode fibers at 1310nm & 1550nm, the unit includes an SC UPC/APC connector and a 500m / 1640.4ft cable length. Use cases: measures loss and reflectance of near-end terminations and provides a lossless fiber section for remote insertion during OTDR testing. Convenience: the lightweight, small-form design is easy to transport. A simple press-to-dispense mechanism lets you deploy and stow the cable quickly and neatly. Construction: the enclosure is molded from premium ABS material for enhanced wear resistance, scratch resistance, and weather resistance, suitable for varied field environments.