Description 20m (66ft) MPO-8 APC to 4x LC Duplex UPC OS2 Harness provides a 20-meter yellow single-mode fiber link for splitting an 8-fiber MPO connection into four LC duplex segments. The cable is protected by an LSZH jacket and utilizes Type B polarity to ensure high-speed data transmission across distributed rack layouts. This harness is ideal for connecting single-mode MPO transceivers to multiple LC-based servers and storage endpoints.