Features Features: OpticalCON assemblies are interfermetrically tested to GR-326-CORE endface standards. Machine polishing processes provide exceptionally low return loss and insertion loss. OpticalCON features a ruggedized connector body, common LC contacts and a mechanical shutter system to shield against endface contamination. APC Polishing types available upon request. Machine polished and tested end faces. Description Product Description Tactical tight buffered PUR Cable. Optical Shutter Mechanism for added protection. Typical back reflection