This guide provides a comprehensive walkthrough for resolving driver issues related to the . Typically used for configuring network equipment like Cisco routers or switches, this cable often utilizes a USB-to-Serial chipset (most commonly Prolific or FTDI) that requires specific drivers to function on modern operating systems. AWM 20251 Console Cable Driver Download & Fix Guide
If you’ve plugged in your AWM 20251 console cable and see a yellow exclamation mark in your Device Manager—or if your terminal emulator (like PuTTY or Tera Term) won't recognize the COM port—you are likely dealing with a driver compatibility issue. 1. Identify Your Chipset
By manually selecting a legacy driver, you can bypass the "Code 10" restriction and keep using your AWM 20251 cable on the latest version of Windows.
Select .
Go to the tab, select Hardware Ids from the dropdown. Look for VID_XXXX&PID_XXXX . VID 067B: Prolific Chipset (Most common for AWM 20251). VID 0403: FTDI Chipset. 2. Download the Correct Driver
If you see "This device cannot start (Code 10)" after installing the driver, you are likely using a legacy Prolific chip. Windows automatically updates to a newer driver version that intentionally disables older chips. Right-click the device in Device Manager > Update Driver . Select Browse my computer for drivers .
Are you seeing a specific in your Device Manager, or should we verify your COM port number next?
After the driver is fixed, ensure your software is configured to talk to the cable: 9600 (Standard for Cisco/Console). Data bits: 8 Stop bits: 1 Parity: None Flow Control: None Summary Checklist Potential Solution Yellow Exclamation Mark Install Prolific/FTDI Driver Code 10 Error Roll back to an older driver version No COM Port assigned Change USB ports or check "Hardware IDs" Garbage Text in PuTTY Match the Baud Rate (usually 9600 or 115200)
