Description 0.5m (1.6ft) LC UPC to LC UPC Duplex OS2 Single Mode Patch Cable is an ultra-short 0.5-meter yellow single-mode cable for high-density fiber connectivity. Built with precision LC UPC duplex connectors and a 2.0mm LSZH jacket, it ensures high reliability and low signal loss for top-of-rack patching. This patch cable is perfect for adjacent high-speed single-mode networking equipment and server endpoints.