5m LC/PC-SC/APC Fiber Optic Patch Cord Duplex SM G.652.D 2.0mm Grade C LSZH RoHS 5m from Fibre2EU is a Duplex patch cord with LC/PC connector at one side and a SC/APC connector at the other one. Fiber patch cords are a type of cables that have two connectors on both ends. Optic patch cords can come in simplex (1 fiber), duplex (2 fibers) or in MPO (12 fibers). The connectors on both sides of the patch cord, allow it to be quickly connected to another device such as an optical switch or other telecommunications/computer device.