StarTech.com 4m Fiber Optic Cable - Single-Mode Duplex 9/125 - LSZH - LC/LC - OS1 - LC to LC Fiber Patch Cable"The SMFIBLCLC4 4m LC to LC Single Mode Duplex Fiber Cable features 9 125 micron fiber for high speed, high bandwidth data transmissions over Gigabit Ethernet and Fiber Channel networks, with support for duplex single mode applications. This LC LC patch cable is housed in a LSZH (Low Smoke, Zero Halogen) flame retardant jacket, to ensure minimal smoke, toxicity and corrosion when exposed to high sources of heat, in the event of a fire an ideal