You can obtain the file from the official Cisco Software Download center using the link below:
✅ Legacy Cisco device management ✅ Windows 10 enterprise environments ✅ Offline / air-gapped network labs
Connect the USB cable to the Cisco device. Windows will assign a virtual COM port (e.g., COM3) to the connection. Terminal Emulation:
A second, alternative link that also points to the Cisco download portal is also valid: usb console software 3.1 - cisco-usbconsole-driver-3-1.zip
Before beginning, ensure the USB cable is connected to the computer.
Connect a standard USB cable from your PC to the port on the Cisco device.
Connect your PC to the Cisco device using a standard USB A-to-Mini-B or USB A-to-C cable (depending on your switch/router model). Windows will attempt to install a driver automatically; this will almost certainly fail, leading to a "Device driver software was not successfully installed" notification. You can obtain the file from the official
Once you have the ZIP file, follow these steps:
: Windows Driver Signature Enforcement blocking the 3.1 driver. Fix :
You will need a valid Cisco.com account to download the software. Once logged in, you can use the following direct link, which is referenced in various Cisco hardware installation guides: Connect a standard USB cable from your PC
Windows 11 has introduced more stringent driver signing requirements that can sometimes cause issues with the older Cisco 3.1 driver. In many cases, the original driver will work. If it doesn't, uninstall it entirely and then force Windows to locate a driver, or use the as detailed earlier. Reboot after any driver change.
As network infrastructure evolves, the traditional RJ-45 serial console port is slowly being replaced by the more modern, familiar, and convenient USB Type-B console port. While this innovation eliminates the need for clunky blue serial cables and dongles, it introduces a new requirement: the correct driver.
To ensure successful deployment, administrators must verify the following environment specifications: Operating Systems: