Ntse daim ntawv nyeem , los yog lub dav hlau ntsej muag, xws li qhov chaw muag khoom dav hlau, qhov credit card tshav dav hlau, nws yog ib qho khoom siv uas siv tau nrog cov ntawv teev lus ntse kom tau txais cov ntaub ntawv thiab ua lag luam.
Smartcard nyeem ntawv hom
Nyob ntawm hom kev ntse, ntse daim ntawv nyeem tau muab faib ua kev sib cuag, tsis muaj kev sib tham, daim npuaj nruab nrab ntawm daim npav nyeem ntawv.
Interface
Feem ntau, tus nyeem ntawv interfaces nrog lub PC rau feem ntau ntawm nws cov cai ua. Lub ntsiab lus tseem ceeb ntawm kev sib txuas lus nrog lub chaw nres nkoj USB, cov ntse ntawv nyeem nrog RS232 interface tseem muaj qee cov xov tooj ntawm cov neeg siv.
Tiv tauj peb hu xovtooj thiab hu ua smart card
Hu rau kev nyeem ntawv tau ua raws li ISO7816 tus txheej txheem thoob ntiaj teb thiab tus contactless card nyeem ntawv ua raws li tus txheej txheem ISO14443.
Hu rau
Kev hu rau daim ntawv ntse ntse yuav tsum muaj kev sib txuas nrog lub npav, xws li muab daim ntawv tso rau hauv tus nyeem ntawv. Muaj ntau daim ntawv sau siv hom ntawv nyeem no xws li ATM, ID thiab Stored Value. Muaj ob lub ntsiab lus tseem ceeb ntawm hom ntawv nyeem no: ib qho kev ruaj ntseg vim nws txoj kev sib txuas lus rau kev nyeem ntawv, feem ntau cov kev txhawb zog ntawm hom no yog ISO 7818 T = 0; Lwm qhov kom zoo dua yog qhov ceev, qee qhov yuav muaj txog li 848kbps, xws li daim CIM THIAJ LI CAS CREATOR CRT-288-K.
