What is a serial null cable?

Answer An RS-232 serial null cable (also called a null modem cable or null modem adapter) is a special type of serial cable that allows a computer to connect directly to another computer. The wiring in a ... Read More »

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What Is a Null Modem Cable?

A null modem cable allows two devices, such as two personal computers, to communicate directly to each other without any additional hardware. The simplest configuration has the transmit and receive... Read More »

What is the maximum cable length in a serial cable?

Null Modem Vs. Crossover Cable?

Null modem cables and crossover cables allow for the connection of two, non-networked data terminals such as two computers. The null modem cable is used for devices without modems, while the crosso... Read More »

Are a null modem cable& RS232 the same?

Null modem cables are RS232 cables. However, serial cables--such as those used to connect some types of external dial-up modems--are also RS232 cables. Null modem cables have slightly different pin... Read More »