You will likely need to install a driver. If you don't have the original CD, you can search for the RD9700 USB 2.0 Fast Ethernet driver, which is the chipset commonly used by this model. Mac OS & Linux: Supported on Mac OS X 10.4+ and Linux kernel 3.x/2.6.x. Where to Download Drivers
Before diving into drivers, let’s understand the hardware. The Quantum Qhm8106 is a budget-friendly external network adapter that converts a USB 2.0 port into a standard Ethernet port. Quantum Qhm8106 Usb 2.0 Lan Adapter Driver Download
Here’s what you should know: