The Corning EDGE-CS12-DC-P00QE is an optical network cable designed for high-speed data transmission. Made by the reputable brand Corning, this single-mode cable features an LC connector on one end, making it compatible with the Corning EDGE-CS12-DC-P00QE model. Ideal for networking setups, this cable provides reliable and efficient connectivity for various devices in a computer network. Its durable construction ensures long-lasting performance for all your networking needs. I have a open box with one missing but brand new.