Best Serial Cord

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Add one serial RS-232 port with com retention to any laptop or computer with a USB port.
Simple installation and operation with COM port retention provides robust serial connectivity for legacy devices with minimal hassle.
Easy plug and play installation with USB Powered device - no power outlet required.
Extensive list of compatible operating systems makes this device perfect for almost any RS232 application.
USB to Straight-Through RS232 Serial Adapter.
COM Port assignments maintained across reboot.
Powered by an available USB port - no external power adapter required.

MAXIMIZED PORTABILITY: This USB to serial RS232 adapter converts a USB port into an RS232 DB9 serial port to connect to, monitor, and control a serial device.
BROAD COMPATIBILITY: Compatible with your USB 1.0 or 2.0 ports, this USB to RS232 converter works with your Windows, Mac or Linux system.
FAST TRANSFER SPEEDS: Experience fast speeds with this USB to DB9 serial adapter, supporting a Baud Rate up to 921.6Kbps.
PORTABLE DESIGN: Powered by a USB port, this USB to RS232 serial adapter cable features a lightweight design that conveniently fits into your carrying case, making it ideal for professionals on the go.
Install in almost any laptop or desktop computer through broad operating system compatibility, including Windows 8.
Communicate efficiently with connected devices with high-speed 921Kbps support.
Portable and lightweight, the USB-Powered design requires no additional power adapter.
USB to Straight-Through RS232 DB9 Serial Adapter.
Compatible with Windows 8, Mac OS X and Linux.
USB-powered - no external power adapter required.

Add 4 RS-232 serial ports to your standard or small form factor computer through a PCI Express Expansion Slot.
Native single-chip, single lane PCI Express chipset delivers true PCIe performance, up to 48% more efficient than bridge chip designs.
Standard and low profile/half-height brackets included to ensure fitment in any system.
Four high speed RS232 serial ports, with support for data transfer rates up to 128000bps.
256-byte deep FIFO per transmitter and receiver.
Native single-Chip, single lane PCI Express.
Includes half-height/low profile mounting brackets.
Compliant with PCI Express Base Specification 1.1.

Serial adapter allows a serial device to be connected to a USB computer.
Plug-and-play convenience:DB9 serial port is seen as a COM port by your computer, and is available for use by any program that accesses COM ports.
No need for an external power adapter:draws power directly from your computer via the USB connection.
DB9 serial port supports data transfer rates up to 230 Kbps:twice the speed of a standard built-in serial port.
LED shows adapter status and data activity at a glance.

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USB TO RS232 SERIAL - Connect legacy DB-9 serial communications devices to a modern computer with USB.
LEGACY SUPPORT - Add a 9-pin DB9 RS-232 serial port to any modern computer, replaces built-in or PCIe serial adapters, recommended for use with a serial cable or NULL modem cable.
FLEXIBLE - Programmable baud rate from 75 bits per second to 128,000 bits per second. Plug-and-play creation of a COM port. Powered by USB.
COMPATIBLE - Genuine Prolific PL-2303HXD Chipset for widest possible compatibility with Windows (11, 10, 8.x, 7, Vista, and XP), Mac, Linux, and other platforms.
2 YEAR WARRANTY - We love our Plugable products, and hope you will too. All of our products are backed with a 2-year limited parts and labor warranty as well as Seattle-based email support.

Serial Basic Breakout Board CH340G serial signal serial ic breakout development board usb micro b connector save space diy electronics projects micro b cable jumper wires.
Base on USB converter IC CH340G, there is a wide range of operating systems . You may need to install drivers the first time you connect the chip to your computer's USB port or when there are operating system updates..
The output voltage is 3.3v by default, there is a 3.3v signal, it can also be changed to 5V, changing to 5V will cause the board to output 5V and 5V signals on the VCC pin(3 .3v to 5V by a short circuit selection).
There are two LEDs on the board connected to TX (green) and RX (yellow) for faster viewing of serial traffic.
Suitable for: Arduino Pro Mini, our GPS module, cellular module and many other devices that use serial communication.

USB to RS232 adapter cable connects from the USB-A port of a computer to a device with a female DB9 port.
Bus-powered Serial to USB adapter connects to devices for configuration or programming.
Male to male serial to USB cable provides a convenient solution for communicating with equipment that require a DB9 connector.
Use a DB9 mini gender changer (sold separately) if the connector of the RS232 to USB adapter will not mate with the equipment port.
Simple installation of the USB Serial adapter using the drivers available for download from Cable Matters.
Connect a null modem adapter (sold separately) to directly connect two computers with serial cables.
Windows & Mac compatible USB to Serial cable for Windows 2000/XP/Vista/7/8/10 and MacOS 10.6 and above.
The 9 pin to USB adapter may require additional proprietary software some equipment models.
RS-232 compatible db9 to USB adapter is required for many types of equipment including a CNC Machine, GPS, telescope, Set-top box, Cisco network switch, sewing Machine and more.

Add 1 parallel port and 2 RS-232 serial ports to your standard or low-profile computer through a PCI Express expansion slot.

Cable must be used with existing DB25 serial device cable..
Quickly convert your DB25 serial device to USB.
Perfect for connecting a serial device to a laptop or PC's USB port.
Compatible with USB 1.1, USB 2.0 and USB 3.0 ports.
This product creates a virtual serial port. It is not intended to connect a parallel printer/device to a USB port. The parallel port device is part number 16899.