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serial port Last modified: Wednesday, September 03, 2003

A port, or interface, that can be used for serial communication, in which only 1 bit is transmitted at a time. Most serial ports on personal computers conform to the RS-232C or RS-422 standards. A serial port is a general-purpose interface that can be used for almost any type of device, including modems, mice, and printers (although most printers are connected to a parallel port).

Serial Communication Overview  Outlines the technology behind the PC modem, the associated CCITT standards and higher performance solutions such as ISDN, and xDSL. Includes graphics and diagram. This page is from "The PC Technology Guide." Introduction to Serial Communication Good tutorial on RS232 (serial) communications. PC communications over modems and ISDN This article, from August 1996, describes serial ports, introduces the most general and least expensive ISDN equipment, and provides an outline of the steps to exploit this new service. Serial Port Central Information, links, tools, and code for accessing serial ports, including RS-232/RS-423 and RS-485/RS-422. Includes links to tools for serial-port access under Windows and information on specifications, wireless communications, and interface chips. Serial Port Connection Describes the various serial port devices, with DB9 and DB25 information and illustrations and steps on how to configure a direct cable connection in Windows 95 / Windows 98. Troubleshooting Peripheral I/O Ports Discusses troubleshooting of peripheral I/O ports on the PC including serial and parallel I/O port connections. This page is from "The PC Guide."