Shaxon"s ST to LC duplex single mode 8.3/125 fiber optic patch cord is a high quality optic fiber patch cable designed to interface a device with a single mode duplex ST port to a device with a single mode duplex LC port. To guarantee superior performance our Fiber Optic cables are individually tested to higher then industry standards. Shaxon Fiber Optic cable feature a rugged zip construction and a kevlar inner strength member for durability. Optical Fiber is a superior cabling option for future proof bandwidth and data speeds and is completely resistance to EMI/RFI interference and allows for much longer cabling runs then copper cables.