If you cannot establish a CLI session, check these common failure points.
Modern Cisco Aggregation Services Routers (ASR 900 Series) feature both traditional RJ-45 serial ports and newer Mini-USB Type-B console ports.
: Plug the USB Type-A end of the cable into your laptop and the Type-B end into the ASR router's console port. Asr-9xx Usbconsole Drivers.zip
It tricks your Windows or macOS environment into thinking there is an old-fashioned serial port connected.
Getting Started with the Cisco ASR-9xx USB Console If you’ve recently unboxed a Cisco ASR 900 series router (like the ASR 920), you might have noticed a USB port labeled for console access. Unlike the traditional RJ45 ports that require a "blue" rollover cable, this USB serial port allows you to connect directly from your laptop's USB port. If you cannot establish a CLI session, check
: Right-click Asr-9xx Usbconsole Drivers.zip and select Extract All to a designated folder on your local drive.
Origins and authenticity (what to verify) It tricks your Windows or macOS environment into
Once completed, it is highly recommended to restart your computer to ensure the drivers load correctly. 4. Connect to the ASR Router Use a USB Type-A to USB Type-A cable. Plug one end into your PC.
Without the correct driver, when you plug the USB cable from your PC into the ASR router, the device manager will likely show an "Unknown Device" or simply do nothing at all. Terminal emulators like Putty, SecureCRT, or TeraTerm will not see a new serial port available. This is where the comes into play.
: Typically found on the front panel, often labeled "USB CONSOLE".
: Locate and run the installer, typically named xrusbser_ver2100_installer.exe (found within the XR21x141x-Win-DriversOnly-Vers2.1.0.0 folder).