Qhov txawv ntawm DB9 thiab DB25 yog dab tsi?

D-sub connectors cov npe sib npaug rau tag nrho cov pins uas lawv tuaj yeem tuav tau. Piv txwv li, DB9 Series Cables muaj 9 tus pins. Txawm li cas los xij, qee zaum, DB25 connector muaj 4 mus rau 5 tus pins loaded.