What is the serial port, what is the parallel port, What are all

Answers:1   |   LastUpdateAt:2012-07-25 06:20:02  

Question
michella
Asked at 2012-07-11 10:56:01
What is the serial port , what is the parallel port , what are all
Answer1heatherlyAnswered at 2012-07-25 06:20:02
RS-232 serial interface to the computer side of definitions for the 25-pin male plug : the side of the device is 25 -pin female : Pin definition - RESERVED10 - RESERVED11STF126SelectTransmitChannel12S.CD ? SecondaryCarrierDetect13S.CTS ? SecondaryCleartoSend14S.TXD ? SecondaryTransmitData15TCK114TransmissionSignalElementTiming16S.RXD ? SecondaryReceiveData17RCK115ReceiverSignalElementTiming18LL141LocalLoopControl19S.RTS ? machine to the serial port is 9 -pin male socket , the pin is defined as the machine to the serial port is 25 pin male socket , the pin is defined as: / PC interface c-25n/c-PC parallel parallel interface defines the appearance of a 25-pin female connector : PinNameDirDescription1/STROBEStrobe2D0DataBit03D1DataBit14D2DataBit25D3
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