Save the .exe or .zip file to your Desktop. If zipped, extract all files.
First, it is important to clarify the hardware. AWM 20251 is typically a model number associated with a USB-to-Serial adapter, a legacy printer interface, or a custom I/O controller card found in older industrial equipment or office label makers.
The term "AWM" on a cable or device usually denotes a safety standard (UL Style 20251), but when users search for an "AWM 20251 driver," they are almost always seeking software to make a specific device communicate with Windows, macOS, or Linux. Common devices bearing this marking include:
Without the correct driver, your operating system will either fail to recognize the device or show a "Device Descriptor Request Failed" error in Device Manager.
The AWM 20251 designation refers to a common specification for the physical cable itself (indicating it is a 60°C, 150V rated cable) often used in USB to RJ45 Serial Console Cables. Because the driver depends on the internal chipset rather than the external wire, there is no single "AWM 20251 driver."
To get your cable working, you typically need to identify which chipset is inside the USB connector—most commonly Prolific or Silicon Labs (FTDI). Recommended Steps to Find the Correct Driver
Identify the Chipset: Plug the cable in and open Device Manager. Look for an item under "Other devices" or "Ports (COM & LPT)" with a yellow warning triangle. Download by Chipset:
Prolific (PL2303): This is the most frequent chipset for these cables. You can find the latest drivers on the Prolific Support Page or from reputable third-party sites like Plugable.
Silicon Labs (CP210x): Often used in Cisco-specific console cables. Drivers are available on the Silicon Labs Website. awm 20251 driver
FTDI: Another common standard for serial-to-USB interfaces. Drivers can be found at FTDI Chip.
Manual Installation: If the installer doesn't work, right-click the device in Device Manager, select "Update driver," and choose "Search automatically for drivers" or "Browse my computer" if you have downloaded the folder manually. Troubleshooting Tips
Windows 11 Compatibility: Older Prolific chips (PL2303HXA/XA) are "End of Life" and may not work on Windows 11 without using an older, specific driver version (3.3.2.102 or earlier) via the "Let me pick from a list" option in Device Manager.
Cisco Specifics: If using this for Cisco networking gear, you might need the Cisco USB Console Driver, which often requires a Cisco account to download directly from their official site. Properly Installing Cisco USB Console Driver
is not a specific hardware device but a UL (Underwriters Laboratories) style rating
for electrical cabling, most commonly used in telephone cords, silver satin wires, and networking console cables. Allied Wire & Cable Because "AWM 20251" refers to the physical cable itself, it does not have a unique software driver
. If you are looking for a driver for a cable labeled "AWM 20251," you are likely using a USB-to-Serial Console Cable
(often for Cisco or Juniper networking gear) where the driver is required for the internal USB-to-serial chipset, not the cable jacket. Identification and Driver Requirements Save the
If your cable has a USB connector at one end, you must identify the chipset inside the USB plug to find the correct driver: Common Chipsets : Most of these cables use either How to Check Device Manager on Windows.
Find the item with a yellow warning icon under "Other devices" or "Ports (COM & LPT)". Right-click, select Properties Hardware IDs Look for the (Vendor ID) and (Product ID). Common Driver Downloads
Based on the chipset identified, use these official sources: FTDI Chipset : (Most common for high-quality console cables). Use the FTDI VCP Drivers Prolific Chipset
: (Often found in older or generic "Silver Satin" cables). Drivers are available on the Prolific Official Site WCH (CH340/CH341)
: Common in budget USB-to-serial adapters. Drivers can be found at Cable Specifications (UL Style 20251)
If you need the technical report for the cable construction itself: Drivers - FTDI
I notice you’ve mentioned “AWM 20251 driver” — but this doesn’t correspond to a standard or widely known electronic component, IC, or device family as of my current knowledge (last update: mid-2025).
Here are the most likely possibilities:
Typo or mislabeled part – Might be a custom or OEM part number from a specific manufacturer (e.g., automotive, industrial controller, fan driver).
PCB or module marking – Sometimes “AWM 20251” appears as a silkscreen on a board, not a component model.
Before downloading any driver, physically inspect your device. Look for the following:
Manual Driver Update:
Cause: Driver conflict or outdated chipset driver. This is extremely common with Prolific clones.
Fix: Uninstall all existing COM port drivers from Device Manager, then use the Prolific Driver Fixer tool (official from Prolific) to clean old entries before reinstalling.
Some entry-level label printers from brands like Jadens, Phomemo, or Polono use the AWM 20251 marking on their USB power cables. The actual driver is usually a custom printer driver (e.g., LabelLife or NIIMBOT).
Recommended driver for this type: Check the manufacturer’s support page for "Thermal Label Printer Driver."
Follow these steps carefully: