Null modem adapter

Converts a USB connection into a serial RS232 port, providing a reliable link between modern and legacy devices.

Connect legacy devices with ease using the StarTech.com USB to RS232 Null Modem Adapter. FTDI equipped, DB9 interface, compatible with USB 1.1/2.0

StarTech.com DB9 RS232 Serial Null Modem Adapter M/F is a device that connects two DB9-equipped devices, enabling data transfer between them through serial communication.

This StarTech.com cable connects a USB device to a serial port, with interchangeable DB9 screws and nuts for COM retention. It supports Windows, macOS, ChromeOS, and Linux systems, and provides ESD protection at the level-4 standard.

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3m USB to Null Modem Black Serial Cable, StarTech.com, interchangeable DB9 screws/nuts, COM retention, 10ft/3m length, USB-A to RS232 connection, FTDI chipset, Level-4 ESD Protection, compatible with Windows, macOS, ChromeOS, Linux operating systems.