The USBRS232 cables are a family of USB to RS232 levels serial UART converter cables incorporating FTDI’s FT232RQ USB to serial UART interface IC device which handles all the USB signalling and protocols. The cables provide a fast, simple way to connect devices with a RS232 level serial UART interface to USB. USB to Serial Adapter (RS-232) The USB to Serial RS-232 Adapter provides one RS-232 Serial (DB-9 male) connector via one standard USB port at a data transfer rate of up to 230Kbps. You can instantly enjoy connectivity with modem, PDA, POS, or other serial devices on your PC or Mac without the hassle of opening your computer case. USB to Serial RS232. ANU232STD USB to RS232 Standard Prolific PL2303 Drivers / Datasheets.zip 4.16MB XS8801 USB to RS232 Professional FTDI FT232BL Drivers / Datasheets.zip 11.0MB XS880 USB to RS232 Ultimate FTDI FT232BL Drivers / Datasheets.zip 11.0MB Y-106 USB to 2 x RS232 MosChip MCS7820 Drivers / Datasheets.zip 8.48MB UMC-104 USB. The StarTech.com ICUSB232 1ft USB to DB9 RS232 Serial Adapter Cable lets you connect DB9 RS232 serial devices to your Mac or PC laptop or desktop computer through a USB port, as though the computer offered an onboard DB9M connector. Shop for usb to serial adapter at Best Buy. Find low everyday prices and buy online for delivery or in-store pick-up.
FTDI US232R : USB to RS-232 cable
FTDI TTL-232RG : USB to UART cable
USB to RS232 Adapter with Prolific PL2303 Chipset,CableCreation 3ft Gold Plated USB 2.0 to RS232 Male DB9 Serial Converter Cable for Windows 10, 8.1, 8,7, Vista, XP, 2000, Linux and Mac OS,Black.
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AdaFruit's FTDI Friend
A USB adapter is a type of protocol converter which is used for converting USB data signals to and from other communications standards. Commonly, USB adapters are used to convert USB data to standard serial port data and vice versa. Most commonly the USB data signals are converted to either RS232, RS485, RS422, or TTL-level UART serial data. The older serial RS423 protocol is rarely used any more, so USB to RS423 adapters are less common.
Uses[edit]
USB to serial RS232 adapters are often used with consumer, commercial and industrial applications and USB to serial RS485/RS422 adapters are usually mainly used only with industrial applications. Currently, USB to TTL-level UART converters are used extensively by students and hobbyist as they can be directly interfaced to microcontroller.
Adapters for converting USB to other standard or proprietary protocols also exist; however, these are usually not referred to as a serial adapter.
The primary application scenario is to enable USB-based computers to access and communicate with serial devices featuring D-Sub (usually DB9 or DB25) connectors or screw terminals, where security of the data transmission is not generally an issue.
USB serial adapters can be isolated or non-isolated. The isolated version has opto-couplers and/or surge suppressors to prevent static electricity or other high-voltage surges to enter the data lines thereby preventing data loss and damage to the adapter and connected serial device. The non-isolated version has no protection against static electricity or voltage surges, which is why this version is usually recommended for only non-critical applications and at short communication ranges.
History[edit]
Historically, most personal computers had a built-in D-sub serial RS232 port, also referred to as a COM port, which could be used for connecting the computer to most types of serial RS232 devices. By the late '90s, many computer manufacturers started to phase out the serial COM port in favor of the USB port. By the mid-2000s, some computers had both a serial COM port and a USB port; however, many no longer had a serial COM port by that time, and today most modern computers have no serial COM port but instead only USB ports.
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Since many serial devices with a RS232, RS485 or RS422 port are still in use and even still produced today, the disappearance of the serial COM port from personal computers has created a need for the USB to serial adapter.
Architecture[edit]
Die of a PL2303HX USB to Serial Bridge Controller manufactured by Prolific Technology.
As a simplified example a typical standard USB to serial adapter consists of a USB processor chip which processes the USB signals. The USB processor sends the processed USB signals to a serial driver chip which applies the correct voltages and sends the processed data signals to the serial output.[1]
Download script macro sg. For the computer to be able to detect and process the data signals drivers must be installed on the computer. Some chip models have drivers installed by default, including FTDI, while drivers for other chip models must be manually installed (e.g. for Windows and MacOS, WCH CH340 [2], Silicon Labs 210x[3].
When the USB to serial adapter is connected to the computer via the USB port the drivers on the computer creates a virtual COM port which shows up in Device Manager on Windows, and under /dev on Linux and MacOS. This virtual COM port can be accessed and used as if it was a built-in serial COM port. However, the characteristics of the virtual COM port are not exactly the same as a real internal COM port, mainly due to data latency; which means that if very sensitive and precise data transfer is required, the USB to serial adapter might be unreliable and not a desired solution.[4] Virtual COM drivers are usually available for Windows, Linux and MAC only.[5]
References[edit]
Retrieved from 'https://en.wikipedia.org/w/index.php?title=USB_adapter&oldid=892008535'
Download the latest Belkin USB to Serial Adapter driver for your computer's operating system. All downloads available on this website have been scanned by the latest anti-virus software and are guaranteed to be virus and malware-free.
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Usb To Serial Adapter Cable
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Usb To Serial Adapter Windows 10
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