PLC (Planar Light wave Circuit) kala qaybiyeyaasha ayaa loo isticmaalaa in lagu qaybiyo ama la isku daro calaamadaha indhaha.Waxay ku saleysan tahay tikniyoolajiyadda wareegga iftiinka iftiinka ee qorshaysan waxayna bixisaa xalal qaybinta nalka kharash yar oo leh qaab yar iyo isku hallayn sare.
Qaybiyeyaasha 1xN PLC waa nidaam toosan oo sax ah si loo qaybiyo hal-abuuro indho-indheyn oo kala duwan si isku mid ah, halka 2xN PLC kala qaybiyayaashu ay u qaybiyaan laba-galmood (-yaal) indho-indhayn oo kala duwan.Isku-xidhka Power-ka PLC kala qaybiyeyaasha waxay bixiyaan waxqabadka indhaha ee sarreeya, xasilloonida sare iyo isku halaynta sare si loo buuxiyo shuruudaha codsiyada kala duwan.
Qaybiyeyaasha PLC ee qaawan waxaa loo isticmaalaa meelo yar yar oo si fudud loogu dhejin karo sanduuqyo wadajir ah oo rasmi ah iyo meelo la xiro.Si loo fududeeyo alxanka, uma baahna si gaar ah oo loogu talagalay meel bannaan.
Isku xirka korantadu wuxuu bixiyaa kala duwanaansho kala duwan oo ah 1xN iyo 2xN PLC, oo ay ku jiraan 1 × 2, 1 × 4, 1 × 8, 1 × 16,1 × 32, 1 × 64 fareeshka nooca PLC-ga ah iyo 2 × 2, 2 × 4 , 2×8, 2×16, 2×32, 2×64 bare fiber type PLC splitters.