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FTDI US232R : USB to RS-232 cable. A USB-to-serial adapter or simply USB adapter is a type of protocol converter that is used for converting USB data signals to and from serial communications standards (serial ports). Most commonly the USB data signals are converted to either RS-232, RS-485, RS-422, or TTL-level UART serial data.
A range of accessories were also available for the Universal Connector, including folding keyboards, external battery packs, wired and wireless modems, and many more. The Universal Connector cradles were the first synchronization device that used USB to communicate with the host computer, in addition to the older serial port standard.
Bluetooth Serial Adapter replaces RS232/422/485 serial cables with wireless connection with Bluetooth 1.2/2.0 Protocol Stack. [2] Supporting data transfer speeds up to 230 kbit/s, these Bluetooth serial adapter products are often used for industrial applications that require data logging, wireless sensor control and monitoring in production facilities.
Contention in a wireless or noisy spectrum, where the physical medium is entirely out of the control of those who specify the protocol, requires measures that also use up throughput. Wireless devices, BPL, and modems may produce a higher line rate or gross bit rate, due to error-correcting codes and other physical layer overhead. It is ...
In telecommunications, RS-232 or Recommended Standard 232 [1] is a standard originally introduced in 1960 [2] for serial communication transmission of data. It formally defines signals connecting between a DTE ( data terminal equipment ) such as a computer terminal or PC , and a DCE ( data circuit-terminating equipment or data communication ...
This class can be used for industrial equipment such as CNC machinery to allow upgrading from older RS-232 serial controllers and robotics, since they can keep software compatibility. The device attaches to an RS-232 communications line and the operating system on the USB side makes the USB device appear as a traditional RS-232 port.
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