I-flexible access flex, ekwaziwa ngokuba yi-back bared flex, zizijikelezo eziguquguqukayo ezinomaleko we-conductor omnye kodwa oqhutyelwa phambili ukuze uvumele ukufikelela kwiimpawu ezikhethiweyo zepateni yomqhubi macala omabini.Nangona olu hlobo lwesekethe luneenzuzo ezithile, iimfuno ezikhethekileyo zokucwangcisa ukufikelela kwiimpawu zinciphisa ukusetyenziswa kwayo.