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Serial Converters & Extenders

pSerial converters and extenders are useful pieces of hardware designed to transfer data from a host computer to peripheral devices. Sometimes this involves a single cable to transfer data, for more specialist reasons, hubs are used to connect multiple serial outputs. Extenders stretch and maintain transfer rates over longer than normal distances./ph2How do serial converters work?/h2pWhether the converter has a 9-pin or 25-pin connection, each pin has a specific job to allow data to be transferred. Serial connections work by transferring one byte of data at a time sequentially and are preceded with a start bit ’0’ and proceeded with a stop bit. This is in contrast with parallel connection where multiple bits of data can be transferred at the same time./ph3How do you use a serial converter?/h3pMost common applications of COM ports are in point of sale systems (cash registers, bar code scanners etc.) and some medical equipment. Using a single cable to connect these devices is simple, plug one end into the host computer and the other into the peripheral device. If using a hub, software is usually needed to be downloaded before connecting any appliances./ph3What types are of serial converters and extenders are there?/h3pSerial converters have been an integral part of computing for 20 years and so a lot of serial devices like modems and printers, which are perfectly functionable, remain with these older connection types./ppNew types of connections have been developed and an adapter usually has a USB end to connect to modern computers. They're commonly referred to as USB-to-Serial./ppSerial connections can be split into two categories; serial connectors and serial ports. The most common types are listed below:/ppSerial ports:/pul liRS-485/li liRS-422/li liRS-232/li liLIN (Local Interface Network)/li liSPI (Serial Peripheral Interface)/li liI2C/li liI2S/li liSMBus/li/ulpSerial connectors:/pul li9-pin DB-9/li li25-pin DB-25/li/ulpRS Components feature a generous range of video converters, supplied by leading brands such as StarTech, FTDI Chip, and of course our trusted own brand RS Pro./p

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