StarTech.com 17in (43cm) 1 Port USB to RS232 DB9 Serial Adapter Cable, Cable M/M

Amazon

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 RELIABLE SUPPORT: Backed by a 2-year StarTech.com warranty, this USB to serial converter cable comes with free lifetime technical support

Zoro Tools

1 PT USB to RS232 DB9 Serial Adapter MM The ICUSB232V2 1 Port USB to Serial Adapter converts a USB port into an RS232 DB9 serial port to connect to, monitor, and control a serial device. Supporting data transfer rates up to 921.6 Kbps, the USB to serial cable is a convenient and cost-saving solution for providing serial connectivity to devices such as point-of-sale terminals, serial modems, industrial equipment, and a wide variety of other RS232 peripherals. The USB to RS232 converter is easy to install and offers broad operating system compatibility, including Windows 8 and later, Linux and Mac OS, for easy integration into mixed environments. Backed by a StarTech.com 3-year warranty and free lifetime technical support.