Be sure to use the correct cable for your particular application.
Null modem cables typically have a female connector on each end and straight through cables have a female connector at one end and a male at the other.
As such, the correct cable and/or adapter is necessary to ensure the proper connection at all times.Īnother important cable characteristic that is often overlooled is whether the application requires a “null-modem” or “straight through” cable. Is a serial cable connected between a PC and a serial port? If a user leverages the wrong cable, he or she will be unable to establish a connection.Ī serial port serves as a physical connector on the back of a computer that allows for the input and output of data, and there are two different types of serial port connectors: 9-pin and 25-pin.
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