If you are using a modern operating system (Windows 10/11 or macOS), the system often automatically identifies the hardware as a Silicon Labs CP210x USB to UART Bridge . You can find those generic drivers Installation Steps file to your local machine. Right-click the folder and select Extract All Cisco_usbconsole_driver_installer_x64.msi found inside the folder. file and run the installer package. Plug the USB cable into the USB Console port of the ASR 9xx router and your computer. Device Manager (Windows) and look under Ports (COM & LPT) to find the assigned COM port number. Recommended Terminal Settings
"Is it safe?" she asked, walking over.
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). Asr-9xx Usbconsole Drivers.zip
Without this driver, the operating system may recognize the device as an “Unknown USB Device (Device Descriptor Request Failed)” or load a generic serial driver that only exposes a single, corrupted port.
While named after the ASR 900 series (such as the ASR 901, ASR 902, ASR 903, and ASR 920), this driver package is universally compatible with almost all Cisco routing and switching platforms that feature a USB console port, including Catalyst switches and ISR routers. Where to Safely Download "Asr-9xx Usbconsole Drivers.zip" If you are using a modern operating system
“I used putty connection type "serial" and serial line "COM11" then speed is 9600.” Cisco Community · 11 months ago Potential Drawbacks
The Complete Guide to Cisco ASR 900 Series USB Console Drivers file and run the installer package
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.
: Always download drivers directly from Cisco to avoid malware or corrupted files often found on third-party "driver mirror" sites.