Serial port plug converter

The converter comes with free updates and US customer support for up to five years. SEH has a wide network of distributors and re-sellers worldwide. For a complete list of dealers and re-sellers, both European and worldwide, please visit our "where to buy" page. Please note our related information regarding data protection.

Contact Us. Where is the serial port on a computer? Identifying a serial port What is the serial port used for? Serial port pin information Related information. Note With the introduction of USB , FireWire , and other faster solutions serial ports are rarely used compared to how often they've been used in the past.

Note With many computers, the serial port is labeled as " " which are ones and zeros to represent binary. Note Most of today's computers are eliminating the serial port in favor of USB ports.

Related information How to troubleshoot a new serial device. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info.

Contents Exit focus mode. The RS protocol transmits data of wires employing signal levels that differ from the standard 5V in order to minimize signal interference.

Distances of up to 20 meters are the limit for reliable data transfer using the RS interface. The basic example of these two types of equipment defines a computer as a DTE device with a modem filling the role of DCE. The RS protocol specifies the operation mode, electrical standards, number of bits, and voltage levels to be used when transferring data between a DTE and DCE.

Serial communication devices make use of 9 or 25 pin D-type connectors for their cabled connections. They are commonly designated as DB-9 or DB with the number used to differentiate between the pin counts. The plugs contain sockets and pins, with each pin numbered and labeled. A serial pinout diagram is presented below. The RS protocol uses a 9 pin serial port that can have either male or female connectors. The most recent version of the protocol is known as RSC.