Description 1m (3ft) MPO-12 UPC to MPO-12 UPC OM4 Jumper is an ultra-short reach magenta multi-mode fiber cable designed for adjacent equipment 12-fiber connectivity. It features MPO-12 UPC female connectors at both ends with Type B polarity and a 3.0mm LSZH jacket. Maintaining a maximum insertion loss of ≤ 0.35dB, this 1-meter jumper provides a low-latency solution for high-density top-of-rack links.