The LC HD Uniboot Jumper has a long unlock latch, due to unlock in the easiest way in HD patchpanel. The Polarity or Coding of the Duplex connector can be changed in the easiest way that it can reach the requirements of the application. The Jumper is available in the categories OM3, OM4 and G657A1. https://elecena.pl/product/18396384/djp-lclcos2-uni-2-duplex-jumper-lc-lc-g657a1-2m 2021-05-07 https://elecena.pl/product/18396384/djp-lclcos2-uni-2-duplex-jumper-lc-lc-g657a1-2m 2022-11-28