Standard Serial ports feem ntau tsis muab lub zog rau cov khoom siv peripherals. … Lub PX-801 tso cai rau RS232 peripherals xws li barcode scanners lossis ntsuas qhov hnyav, los kos lub zog uas lawv xav tau los ntawm Pin 1 lossis Pin 9 ntawm tus txiv neej RS232 connector.
Dab tsi voltage siv RS232?
Tus qauv qhia qhov siab tshaj plaws qhib qhov hluav taws xob ntawm 25 volts: theem teeb liab ntawm ± 5 V, ± 10 V, ± 12 V, thiab ± 15 V yog txhua yam. pom nyob ntawm qhov voltages muaj rau kab tsav tsheb circuit. Qee qhov RS-232 tsav tsheb chips muaj inbuilt circuitry los tsim qhov yuav tsum tau voltages los ntawm ib tug 3 los yog 5 volt mov.
RS232 ua dab tsi?
RS232 yog qauv raws tu qauv siv rau kev sib txuas lus serial, nws yog siv rau kev sib txuas lub computer thiab nws cov khoom siv peripheral kom tso cai rau cov ntaub ntawv sib pauv ntawm lawv. Raws li nws tau txais qhov voltage rau txoj kev siv rau cov ntaub ntawv sib pauv ntawm cov khoom siv.
Kuv yuav paub li cas yog RS232 ua haujlwm?
Txhawm rau saib xyuas koj cov haujlwm hauv chaw nres nkoj, siv cov kauj ruam yooj yim no:
- Download thiab nruab Serial Port Tester. …
- Los ntawm cov ntawv qhia zaub mov tseem ceeb xaiv "Session > Kev Sib Tham Tshiab". …
- Lub qhov rais "Kev saib xyuas tshiab" tam sim no yuav tsum tshwm sim. …
- Xaiv "Pib saib tam sim no" yog tias koj xav pib saib xyuas cov chaw nres nkoj tam sim ntawd.
Yog RS232 tuag?
Thaum RS-232 feem ntau ploj mus ntawm lub computer, nws tseem muaj sia nyob thiab zoo nyob hauvkev lag luam.
