What is a null modem cable?

July 25, 2009

You’re probably familiar with the serial cables that are used to connect external modems with computers. There also exists another type of cable called a null modem cable. How is a null modem cable used?

A) To connect two modems to each other

B) To connect two computers without using a modem

C) To connect two Ethernet adapters together

D) To connect serial printers to a computer