PLC (Gushira Umucyo wumuzunguruko) Gutandukana bikoreshwa mugukwirakwiza cyangwa guhuza ibimenyetso bya optique. Ishingiye ku mucyo wo gucana umupaka kandi utanga igisubizo cyo gukwirakwiza urumuri ruke hamwe nimiterere mito no kwizerwa cyane.
1xn plc igabanijwe ni uburyo bwo guhuza neza kugirango igabanye ibitekerezo bimwe bya optique (s) muburyo bwiza bwo kumenya kimwe, mugihe cya 2xn plc igabanye intangarugero ebyiri. Ihuza rya PLC Gutandukanya Gutanga imikorere ya Optique, umutekano mwinshi kandi wizewe kugirango wumvikane ibisabwa bitandukanye.
Gutandukanya kwa PLC bikoreshwa ahantu hato gashobora gushyirwa muburyo bworoshye mumasanduku ahuriweho hamwe no gufunga. Kugirango woroshye gusuka, ntibikeneye kuba byateguwe byumwihariko byabitswe.
Ihuza ryamashanyarazi ritanga ibice 1xn na 2xn byambaye ubusa, harimo 1 × 2, 1 × 4, 1 × 6 × 65 × 6, 1 × 2, 2 × 2 × 4 × 4 , 2 × 8 × 8 × 16 × 16 × 16 × 32, 2 × 64 Ubwoko bwa fibre ya fibre plc.