The driver issue arises because:
: 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
Once installed, the device should appear in Device Manager under Ports (COM & LPT) as "USB Serial Port (COMx)". COM number The driver issue arises because: : Right-click >
If you’ve landed here searching for you’re likely holding a USB to RJ45 serial console cable—commonly used by network engineers, system administrators, and hardware hobbyists to access routers, switches, firewalls, or embedded systems. The “AWM 20251” marking refers to a specific cable type (Appliance Wiring Material style 20251), often manufactured by generic Chinese brands, FTDI, Prolific, or Silicon Labs. However, driver issues are notorious: Windows may not recognize the cable, show error code 10, or assign a non-functional COM port. COM number If you’ve landed here searching for