Connector Adapters
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StarTech.com 3ft (91cm) 1-Port USB to Serial Cable, DB9/DB25 RS232 to USB Converter, Prolific, USB to Serial Adapter - USB to serial RS232 (DB9 or DB25) adapter - Supports Windows, macOS, Linux - Secure the cable using the screw-lock nuts on the male seri
The ICUSB232DB25 USB to RS232 DB9/DB25 Serial Adapter Cable (M/M) lets you connect 9-pin (DB9) or 25-pin (DB25) RS232 serial devices to your laptop or desktop computer through a USB port, as though the computer offered an onboard serial port. The integrated 3-foot (0.9 meter) cable allows it to be connected directly from the serial device to the computer without requiring additional cables.
A cost-effective solution that bridges the compatibility gap between modern computers and legacy serial peripherals, this high quality USB/RS232 Serial Adapter cable ships with a DB-9 to DB-25 adapter for connection to varied serial equipment.
Backed by a StarTech.com 2-year warranty and free lifetime technical support.
Learn MoreRegular Price: $19.13
Special Price $17.98
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StarTech.com 6ft (1.8m) 1-Port USB to Serial RS232 Adapter, FTDI DB9 Serial DCE Adapter Cable, Null Modem, USB 2.0 - TAA - USB to serial RS232 adapter with FTDI chipset - Null modem RS232 DB9 serial adapter resolves any DTE/DCE conflicts - Compatible with
The ICUSB232FTN FTDI USB to Null Modem Serial Adapter Cable (1-Port) converts an available USB 1.1 or 2.0 port into an RS232 Null Modem serial DB9 port, solving DCE/DTE conflicts directly, without requiring additional cross-wired serial cables or adapters.
This compact adapter features COM retention, allowing the same COM port value to automatically be re-assigned to the port if the cable is disconnected and re-connected to the host computer, or if the system is rebooted. The integrated FTDI chipset supports additional customization, advanced features, and compatibility not necessarily offered by other solutions.
The USB to Null Modem adapter is compatible with a broad list of operating systems including Windows®, Windows CE, Mac OS and Linux, making it easier to integrate into mixed environments.
Backed by a StarTech.com 2-year warranty and free lifetime technical support.
Learn MoreRegular Price: $35.71
Special Price $33.57
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StarTech.com Motherboard Serial Port - Internal - 1 Port - Bus Powered - FTDI USB to Serial Adapter - USB to RS232 Adapter - Add an RS232 serial port to any system with an available USB motherboard header - USB to Serial - USB to RS232 - USB to DB9 - USB
Add an RS232 serial port to any system with an available USB motherboard header. The ICUSB232INT1 USB to RS232 Serial Adapter lets you add an RS232 port to any desktop system that is equipped with an available USB motherboard header. Unlike standard USB to serial cables, this cable is designed for use inside the PC case, affording an entirely internal solution with no mess or extra adapters needed. This compact and simple USB adapter offers a cost-effective solution that bridges the compatibility gap between modern computers and legacy serial peripherals. Backed by a StarTech.com 2-year warranty and free lifetime technical support.
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Learn MoreRegular Price: $32.93
Special Price $30.95
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StarTech.com Motherboard Serial Port - Internal - 2 Port - Bus Powered - FTDI USB to Serial Adapter - USB to RS232 Adapter - Add two RS232 serial ports to any system with an available USB motherboard header - USB to Serial - USB to RS232 - USB to DB9 - US
Add two RS232 serial ports to any system with an available USB motherboard header. The ICUSB232INT2 USB to Serial Adapter lets you add 2 RS232 ports to any desktop system that is equipped with an available USB motherboard header. Unlike standard USB to serial cables, this cable is designed for use inside the PC case, affording an entirely internal solution with no mess or extra adapters needed. This compact and simple USB adapter offers a cost-effective solution that bridges the compatibility gap between modern computers and legacy serial peripherals. Backed by a StarTech.com 2-year warranty and free lifetime technical support.
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Learn MoreRegular Price: $64.78
Special Price $60.89
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StarTech.com USB to Serial Adapter - Prolific PL-2303 - COM Port Retention - USB to RS232 Adapter Cable - USB Serial - Add an RS-232 serial port to your laptop or desktop computer through USB; features COM port retention - USB to Serial - USB to RS232 - U
The ICUSB232PRO 1 ft USB to RS232 Serial DB9 Adapter Cable with COM Retention offers a professional grade solution for connecting legacy or industrial RS232 serial devices to a laptop or desktop computer through USB - eliminating the expense of upgrading serial peripherals for compatibility.
A time-saving and convenient USB/Serial solution, the adapter retains assigned serial COM port values in nonvolatile memory, allowing the same values to automatically be assigned to the adapter serial port if disconnected and reconnected, or disconnected from one USB port and installed in another.
A versatile connectivity solution that bridges legacy serial peripheral devices with newer USB-capable computers, the USB to Serial adapter offers broad operating system compatibility including Windows®, Linux and Mac OS, for easy integration into mixed environments.
Backed by a StarTech.com 2-year warranty and free lifetime technical support.
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Learn MoreRegular Price: $31.70
Special Price $29.80
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StarTech.com USB C to Serial Adapter Cable with COM Port Retention, 16" (40cm) USB Type-C to RS232 DB9 Converter Cable, Windows/Mac/Linux - 16in USB-C to Serial adapter converter cable RS232 DB9 - 921.6 Kbps baud - 512 byte FIFO - Data bits of 5/6/7/8 w/s
This USB-C™ to serial adapter lets you connect your USB-C devices to your legacy serial equipment. It converts a USB-C port on your laptop or computer into an RS232 DB9 serial port with COM port retention. This gives you a cost-saving and convenient way to connect to serial devices such as point-of-sale terminals, serial modems, industrial equipment, and a wide variety of other RS232 peripherals.
Connect with ease
The RS232 adapter cable is compatible with Windows®, macOS and Linux® operating systems, which makes it easy to integrate into mixed environments.
Built-in convenience
A time-saving and convenient USB/serial solution, the adapter retains assigned serial COM port values in nonvolatile memory, allowing the same values to automatically be re-assigned to the adapter serial port if disconnected and reconnected, or disconnected from one USB port and installed in another.
The USB-C serial cable also supports advanced features like remote wake-up and power management control.
The ICUSB232PROC is backed by a StarTech.com 2-year warranty and free lifetime technical support.
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Learn MoreRegular Price: $27.71
Special Price $26.05
