Description 2m (7ft) LC UPC to LC UPC Duplex OS2 Single Mode Patch Cable provides a robust 2-meter yellow single-mode link for high-speed fiber interconnections. Built with an LSZH jacket and 2.0mm cable diameter, it ensures safe and high-performance connectivity in high-density environments. This short-reach patch cable is perfect for interconnecting adjacent switches and high-density single-mode fiber patch frames.