The COM port number shown in Device Manager (e.g., COM3).
This often means:
Now that the driver is working, configure your terminal:
: Right-click > Properties > Details tab > Select Hardware Ids from the dropdown. VID_0403 = FTDI VID_067B = Prolific VID_10C4 = Silicon Labs 2. Official Driver Downloads awm 20251 console cable driver download fix
If you see a yellow triangle or the device still appears in "Other devices," the driver did not install correctly. Try removing the device (right-click > Uninstall device), unplugging the cable, restarting your PC, and starting the driver installation process over from the beginning.
Follow these exact steps to avoid conflicts:
To ensure your cable is working flawlessly, open your preferred terminal emulator software (such as , Tera Term , or SecureCRT ). The COM port number shown in Device Manager (e
Follow this process carefully:
Look for the name of your driver and see the number next to it, like . Open your terminal tool, like PuTTY or SecureCRT. Set the connection type to Serial .
Sometimes modern USB 3.0 or USB-C ports (via adapters) conflict with older serial chip architecture. If the driver fails to initialize, try plugging the cable into a legacy on the back of your computer motherboard or use a powered USB hub. Official Driver Downloads If you see a yellow
You've followed the steps, but you're still not online. Here are some common issues and their fixes:
: Go to Device Manager. If you see "USB Serial Converter" under Universal Serial Bus Controllers, right-click it, select Properties , go to the Advanced tab, and check the box that says Load VCP (Virtual COM Port). Unplug the cable and plug it back in. Step 4: Verify and Connect
Yes, E129757 is a common assembly number for Cisco-branded console cables.
With the driver installed, it's time to put the cable to work. You'll need a terminal emulation program—popular choices include PuTTY (Windows), Tera Term, or screen (macOS/Linux). The most common settings for network devices are:
Before downloading anything, confirm you have a driver problem. Typical issues: