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.
After installation, a system restart ensures the virtual COM port service initializes correctly. Connecting to the ASR 900 Series After the update is installed: asr9xxusbconsoledriverszip upd
Open and expand Ports (COM & LPT) . You should see "Cisco USB Console Windows Driver (COMx)." In your terminal emulator, use the following settings: Baud Rate: 9600 Data Bits: 8 Parity: None Stop Bits: 1 Flow Control: None Common Fixes for "Driver Not Found" If you’ve updated the driver and it still isn't working: If you are working with Cisco ASR 900