Navigate to the folder (typically XR21x141x-Win-DriversOnly-Vers2.1.0.0/EXE ) and run .
Download asr-9xx_usbconsole_drivers.zip from Cisco's official site. asr9xxusbconsoledriverszip upd
If you are working with Cisco ASR 900 series routers (like the ASR 901, 903, or 920), you’ve likely encountered the shift from traditional RJ45 console ports to the mini-USB console interface. To get your terminal emulator (like PuTTY or SecureCRT) to recognize the device, you need the specific Cisco USB console driver. asr9xxusbconsoledriverszip upd