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Name the preset and click the ’Save preset’ button.Select the lines for the ‘IN’ side of the pair and connect them to the required ‘OUT’ side lines by checking the corresponding boxes.In the Serial Ports Explorer choose the required virtual COM port pair.Standard RS-232 null modem pinout preset scheme:
#Epson serial cable pinout db9 to db9 software#
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When it’s required to connect two serial peripherals directly (without using a modem or any other Data Communications Equipment) users rely on a null modem cable.Ī serial communication standard is widely used for long-distance connections or data exchange in computer networks where a parallel connection is inefficient due to synchronization issues and the cost of the cable.Īs is known, serial devices exchange information via COM ports connected by a serial cable. In the field of telecommunications, the term ‘serial connection’ means the process of sending data via a communication channel or a computer bus serially, one bit at a time.