DB9, piv txwv li, yog 9 tus pin txuas rau lub xov tooj sib txuas. Koj tuaj yeem pom ib qho ntawm no. RS-232, ntawm qhov tod tes, hais txog rau tus qauv nws tus kheej. RS-232 (qee zaum hu ua EIA-232) piav qhia yuav ua li cas lub tshuab tuaj yeem sib txuas lus ntawm ib leeg siv lub xov tooj sib txuas.
Is RS232 a DB9?
Hauv qab no yog tus pinout ntawm tus qauv tus qauv txiv neej 9-pin RS232 connector, hom connector no tseem hu ua DB9 connector.
Dab tsi yog 9 serial RS232?
The RS232C DE-9, feem ntau yuam kev hu ua DB-9 chaw nres nkoj siv ua tus qauv kev lag luam rau kev xa cov ntaub ntawv serialA RS-232 serial chaw nres nkoj yog tus qauv feature ntawm tus kheej lub khoos phis tawj raws li nws yog txoj hauv kev nyiam los txuas modems, keyboards, nas, sab nraud cia thiab ntau lwm yam khoom siv peripheral.
Dab tsi yog qhov txawv ntawm RS232 thiab serial?
Serial kis tau tus mob tseem siv dav hauv kev saib xyuas kev lag luam thiab kev teeb tsa thiab tuaj yeem siv nrog cov hloov pauv ntawm USB nruab cov tshuab. RS232 tso cai rau kev tswj hwm ntawm cov khoom lag luamzoo li UPS cov tshuab yam tsis xav tau kev pab software.
Dab tsi yog 3 qhov sib txawv ntawm RS232 thiab RS485?
RS232 yog tag nrho-duplex, RS485 yog ib nrab-duplex, thiab RS422 yog tag nrho-duplexRS485 thiab RS232 tsuas yog cov txheej txheem kev sib txuas lus ntawm lub cev (ie interface tus qauv), RS485 yog hom sib kis sib txawv, RS232 yog hom kev sib kis ib leeg, tab sis kev sib txuas lus tsis muaj qhov sib txawv ntau.
