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A printer cable can connect to a serial printer using a 25-pin "RS-232", DB-25 connector, among other things. In many cases, only a few pins of the defined 25 pins are used (e.g., send, receive, common). There are also adapters that convert between the 25-pin connector and, say, RJ-11 phone cord, RJ-45 Cat 5, or even screw terminals for 3-conductor cable, or what-have-you, for connection to the computer (e.g., a DIN-8 in a Mac), or a converter for USB to RS-232.
If it is a Male connector on PC it will be 25-pin Serial Port, If it is a female connector (purple colored if latest) it is parallel port, sometimes called Printer Port(LPT) - Naresh , InfoMax
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∙ 13y ago
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What is the name of the 25-pin connector located in the back of a computer?
LPT1 (parallel port -aka; printer port). Parallel ports are often called LPT (Line Printer) ports since they are most often used for printers. Parallel ports on the system side are always 25pin female.
What is difference between 25pin and 9pin serial port?
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On which pins of Cross cable and Straight cable the signals can be receive and transmit?
Serial (RS232) port interface pinout and signals9 pin #25pin#AcronymFull nameDirectionMean32TxDTransmit Data-»Transmits bytes out of PC23RxDReceive Data«-Receives bytes into PC74RTSRequest To Send-»RTS/CTS flow control85CTSClear To Send«-RTS/CTS flow control66DSRData Set Ready«-I'm ready to communicate420DTRData Terminal Ready-»I'm ready to communicate18DCDData Carrier Detect«-Modem connected to another922RIRing Indicator«-Telephone line ringing57SGSignal Ground
