groword 1KM OTDR Launch Cable SC/APC to SC/APC, with 2PCS APC-UPC Adapters, Attenuation Loss ~0.2 dB/km Single Mode Dead Zone Eliminator Cord, Fiber Optic Test Cable with Hard Protective Box

Excellent Fiber PerformanceThis OTDR launch fiber features stable and reliable performance with a length of 1032km and ultra-low attenuation of 0.17 dB (average attenuation loss of 0.2 dB/km). The fiber has no intermediate splice points, effectively and accurately eliminating test blind zones and greatly improving the accuracy of OTDR test results ^^ Wide System & Device Compatibility Equipped with premium SC/APC to SC/APC connectors and 2PCS APC-UPC conversion adapters for dual compatibility with APC and UPC devices. It fits most mainstream OTDR testers and is perfectly applicable to FTTH, PON, LAN and optical network testing systems, requiring no additional adapters for use ^^ High-Precision Polished ConnectorsAdopts finely polished SC/APC to SC/APC connectors with smooth and flat end faces.

The connectors support tight and smooth plugging and unplugging, ensuring ultra-stable signal connection and minimal signal loss. Optimized for professional testing scenarios including FTTH, PON, CATV and LAN network engineering ^^ Rugged & Outdoor Durable DesignComes with a fully sealed protective box featuring waterproof, dustproof and drop-resistant properties. It effectively avoids equipment and fiber damage caused by complex outdoor construction environments. Equipped with a portable hanging hook, it is lightweight and portable for easy carrying and outdoor field operation ^^ Tangle-Free & Protective Box StructureThe built-in fixed winding frame keeps the test cable neatly arranged and completely tangle-free.

The scientific internal layout effectively protects the fragile fiber core and connectors from extrusion, collision and damage. The integrated box design is lightweight, space-saving, easy to store and carry for daily use and field testing