CovMTP/MPOqaum qaum fiber ntau jumper muaj qhov sib txawv ntawm polarity A, polarity B, polarity C thiab txiv neej thiab poj niam lub taub hau, uas yuav tsum tau sib phim nrog cov khoom siv hauv A tiav. Thaum siv los ua ke nrog cov khoom siv kho qhov muag fiber ntau, MTP qaum optical fiber jumpe nrog cov polarities sib txawv yog siv nyob rau hauv ntau cov tswv yim, raws li qhia hauv daim duab hauv qab no.
