RDED-9S(55) Connectors, Interconnects

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D-Sub connectors have been widely used as a standard port type in the networking and communication industry. Despite its various sizes and pin configurations, the pin-out assignments remain the same between the different versions. Generally referred to as DE-9 connectors, the "DE" stands for D-subminiature, and the "9" stands for the number of pins in the interface. One of the most commonly used D-sub connectors is the RDED-9S(55) connector.

Application Field of RDED-9S(55) Connector

RDED-9S(55) connectors are most commonly used in serial communication applications, such as RS232. RS232 is a standard communication protocol used in communication between computers and external hardware peripherals or between computers. The RDED-9S(55) connector is widely used in RS232 communication interfaces mainly because of its versatile characteristics. These connectors are found in a variety of communication devices, ranging from POS (Point-of-Sale) systems, automated analyses, medical and industrial equipment, to alarms and security systems, and other computer-based communication applications.

Working Principle of RDED-9S(55) Connector

The RDED-9S(55) connectors consists of two separate connectors, one male and one female, that mate to form a single plug assembly. Each connector contains nine pins, five of which are for data transference while the remaining four are ground connections. The nine pins are laid out in two rows, with the second row reversed so that the pins line up in a single row when plugged in. The RDED-9S(55) connector also has a hood over the pins, creating a polarized connection to ensure that pins are mated in the proper orientation.

Values are transmitted over the RDED-9S(55) connector in the form of voltage. When two pins are connected, a known current is driven onto the pins creating a voltage. The receiver reads in the voltage for each pin and interprets the data. To ensure a reliable and error-free data transmission, the connector must be properly maintained. RDED-9S(55) connectors should be regularly inspected for dust or debris that can cause unreliable data status and voltage drops.

Conclusion

The RDED-9S(55) connector is a common D-sub connector used in RS232 communication applications. It consists of two female and one male connectors that mate to form a single plug assembly. It features nine pins laid out in two rows of five and four, with a hood over the pins to ensure proper orientation and polarized connection. The pins are used to transmit data in the form of voltage that is read in by the receiver. The RDED-9S(55) connector must be regularly inspected and maintained to ensure reliable and error-free data transmission.

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