Imikorere ya Fibre Yongerewe imbaraga (EPFU) nubunini buto, uburemere bworoheje, bwongerewe ubuso bwinyuma bwa sheath fibre igenewe guhumeka mikorobe ya mikorobe ikoresheje umwuka. Igice cyo hanze cya thermoplastique gitanga urwego rwo hejuru rwo kurinda hamwe nuburyo bwiza bwo kwishyiriraho.
EPFU itangwa mumasafuriya ya kilometero 2 nkibisanzwe, ariko irashobora gutangwa mugihe gito cyangwa kirekire kubisabwa. Mubyongeyeho, variants zifite numero zitandukanye za fibre birashoboka. EPFU itangwa mu isafuriya ikomeye, kugirango ishobore gutwarwa nta byangiritse.
Ubwoko bwa Fibre:ITU-T G.652.D / G.657A1 / G.657A2, OM1 / OM3 / OM4 Fibre