Right-click the folder and select to unpack the files to a local directory. Step 2: Run the Installer (Windows Example)
A folder popped up. Inside were three files: a .inf , a .sys , and a simple readme.txt .
While contents vary by version, the "Asr-9xx Usbconsole Drivers.zip" usually contains:
Unzip the asr-9xx_usbconsole_drivers.zip file to a location on your computer, such as your Desktop or Downloads folder.
Before beginning, ensure the USB cable is from your computer. 1. Windows Installation (Windows 10 / 11) Locate the downloaded Asr-9xx Usbconsole Drivers.zip file. Asr-9xx Usbconsole Drivers.zip
to communicate with the router's IOS-XE or IOS-XR operating system. Connection Settings:
What or behavior are you seeing in Device Manager?
, you should see "Cisco Virtual Com" with an assigned COM port number (e.g., COM3). Troubleshooting Common Issues Connection Failed : Ensure you install the driver
if you intend to use the USB console port on an ASR 900 series router. It effectively solves the "handshake" issue between the router’s UART chip and a Windows PC. Right-click the folder and select to unpack the
Run the command: ls /dev/tty.usbserial* or ls /dev/tty.cisco* .
A common "gotcha" noted by users is the baud rate. While standard Cisco gear often uses 9600, the ASR 920 and similar models frequently require a baud rate of to display output correctly. Cisco Community Pros & Cons Legacy Support: Essential for older tech laptops that lack RS232/DB9 ports. Access Restrictions: Often hidden behind Cisco’s paywall/login. Port Management:
Always match the driver version to your OS architecture. Using a 32-bit .sys on a 64-bit OS will result in error Code 52 (Unsigned or Incompatible).
Modern Cisco routers like the ASR 901, ASR 902, ASR 903, and ASR 907 feature a mini-USB Type B console port. Connecting your laptop directly to this port via a USB cable requires a specific virtual COM port (VCP) driver. While contents vary by version, the "Asr-9xx Usbconsole
To use these drivers successfully with an ASR 900 device, note the specific cabling requirements: : Requires a USB Type-A to Type-A cable.
Two hours later, the sun had set, and the room was glowing with the steady green LEDs of a healthy network.
For many embedded and robotics applications, Linux is preferred. The ASR-9xx uses a proprietary USB VID/PID (commonly 04b4:8613 or 10c4:ea60 ). Here’s how to install the driver from the ZIP.
