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Once installed, the driver is exceptionally stable. It creates a virtual COM port that allows software like
port (typically Mini-B or Type-A) alongside the traditional RJ-45 port, this driver is the bridge that allows a modern PC to recognize the router as a COM port. Cisco Community Context & Compatibility The ASR 900 series, including models like the , utilizes these drivers to facilitate local management. Cisco Community Operating Systems: Primarily designed for Windows (7, 8, and 10)
Once the drivers are operational, configure your terminal emulator with the following standard Cisco console port parameters: Recommended Value Data bits Parity Stop bits Flow control Asr-9xx Usbconsole Drivers.zip
Run the command: ls /dev/tty.usbserial* or ls /dev/tty.cisco* .
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Unlike standard FTDI or Prolific adapters, the ASR-9xx devices often embed a proprietary multiplexing protocol. This allows a single USB connection to emulate up to 4 simultaneous serial consoles (TTL, RS-232, or RS-422). The stock Windows USB-to-serial drivers cannot handle this multiplexing; hence the need for the specific . This public link is valid for 7 days
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A USB console port simplifies router management by allowing direct laptop-to-router connections without an adapter. For Cisco ASR 900 Series Aggregation Services Routers (including the ASR 901, ASR 903, ASR 907, and ASR 920), establishing this connection requires installing specific software package files, often distributed as .
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Once the driver installs successfully, configure your terminal emulation software (e.g., PuTTY, SecureCRT, Tera Term) to the following standard Cisco console settings: : 9600 Data bits : 8 Parity : None Stop bits : 1 Flow control : None Step-by-Step Installation Guide for Windows
: It isn't always a "one-click" process; you may need to manually point Windows to the extracted folder in the Device Manager to complete the setup. Can’t copy the link right now
: Once installed, the driver allows your computer to recognize the router's USB console port as a standard USB UART or Virtual COM port.