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آموزش کامپیوتر و فناوری اطلاعات - آموزش ساخت و اتصالات كابل چاپگر سریال
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آموزش ساخت و اتصالات كابل چاپگر سریال

نویسنده :HN54
تاریخ:شنبه 27 آبان 1391-03:28 ب.ظ


Common serial printer cable

When a serial printer is connected to a PC with an RS232 cable, the handshaking is not symmetrical any more. In that case an RS232 cable is used where some handshaking lines at the PC side are looped back. On the printer side only the data lines and one handshaking line are used. The printer doens't send large amounts of data to the attached computer, so there is no need to use handshaking lines on the printer to control the data flow. The only RS232 signal used in this cable is the DTR signal which is used by the printer to inform the computer about error situations like out of paper etc. This cable should work with most serial printers.

General RS232 serial printer cable



General RS232 printer cable

ComputerPrinterFunction
22RxTx
33TxRx
57Signal ground
1 + 4-DTRCD
6 + 820DSR + CTSDTR




نوع مطلب : آموزش سخت افزار 

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