Iyo duplex sefa inonzi zvakare duplex switching sefa.Iyo inoumbwa nemasefa maviri esimbi asina tsvina anoenderana.Duplex bhegi sefa imba inowanzo shandiswa kune inoenderera yekushanda mamiriro, Kana imwe sefa imba iri kushanda, Ipo imwe sefa imba iri pasi pekuchenesa.Iko kune tee uye yekudzora vharafu pane inopinza chikamu, Saka iyo yekuyerera nzira inogona kuchinjwa sekuda.
Kana iyo sefa yakavharwa kusvika padanho rakati panguva yekushanda kwechinyakare sefa, iyo yekusefa inofanirwa kumiswa isati yacheneswa kana kuongororwa.Iyo duplex sefa inogadzirisa zvinogadzirisa dambudziko munzvimbo ino, uye iyo isina kumira kuchenesa inoitwa kuti iwane maawa makumi maviri nemana ebasa rinoenderera.Kuvandudza kushanda zvakanaka uye kuchengetedza nguva
Tinogona kugadzirisa vharafu nemapaipi sezvinodiwa nemutengi.