Description 4m (13ft) MPO-12 UPC to MPO-12 UPC OM4 Jumper is a 4-meter high-density magenta multi-mode fiber cable designed for 12-fiber high-speed interconnections. Featuring dual MPO-12 UPC female connectors with Type B polarity and a 3.0mm LSZH jacket, it ensures a maximum insertion loss of ≤ 0.35dB. This short-reach jumper provides high reliability and low signal loss for inter-rack multi-mode fiber connectivity.