Asr9xxusbconsoledriverszip Upd [verified] Link
asr-9xx_usbconsole_drivers.zip (often referred to as asr9xxusbconsoledrivers.zip
Once connected, use a terminal emulator like PuTTY with these standard settings: 9600 baud , 8 data bits , no parity , 1 stop bit , and no flow control . asr9xxusbconsoledriverszip upd
Once the driver is installed, the configuration in your terminal software requires specific settings to match the router's console speed: asr-9xx_usbconsole_drivers
Look for or "USB Console Driver" under the software type category. 8 data bits