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I am connecting my SAM to a PC. What is a Null Modem Cable?

April 26, 2017cable modem null pc SAM

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I am connecting my SAM to a PC. What is a Null Modem Cable?

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A null modem cable is what is sometimes called a cross cable. It has pins 2 & 3 crossed from one end to the other so that it can connect one PC to another PC. The cable and com port can be tested by connecting two PCs and verifying communications using Windows HyperTerminal program on each PC.