StarTech LC Loopback Plug, Single Mode 9/125 Fiber Adapter, LC/UPC Connector Test Optic Tester 0dB

RELIABLE FIBER TESTING: Create a loopback test connection with this LC/UPC Single Mode fiber loopback plug; Low-loss 0dB design enables precise baseline testing; Compatible with high-density LC ports for easy access in crowded and rackmount installations ACCURATE TEST PERFORMANCE: Maintain clean loopback signaling with insertion loss below 0.3dB; Repeatability within 0.2dB ensures consistent results across multiple connections; Return loss above 50dB minimizes back-reflection for stable signaling BUILT FOR DURABILITY: Optimized for 1,000 test cycles using high-precision ceramic ferrules in a compact ABS housing; Built in compliance with IEC and RoHS standards for reliable testing in regulated environments FIELD-READY DESIGN: Compact form factor is ideal for technicians performing on-site diagnostics and fault isolation; Quickly troubleshoot and verify performance in single mode LC patch panels and transceivers; Includes protective dust caps THE IT PRO'S CHOICE: Our network tools and testers are rigorously tested in our Innovation Lab to ensure enterprise-grade reliability and durability; Built for quick diagnostics and routine maintenance across copper and fiber networks; Backed by free lifetime 24/5 multi-lingual technical assistance