10c4:8acb — C8051F38x HDBaseT Wall Plate Receiver with IR, RS-232, and PoH [UHBX-R-WP] (Silicon Labs)

What is this device?

This is the USB identifier for a C8051F38x HDBaseT Wall Plate Receiver with IR, RS-232, and PoH [UHBX-R-WP] manufactured by Silicon Labs. The vendor ID 10c4 is registered to Silicon Labs with the USB Implementers Forum, and 8acb is the product ID that Silicon Labs assigned to this particular model. When you run lsusb on Linux, this device appears as 10c4:8acb Silicon Labs C8051F38x HDBaseT Wall Plate Receiver with IR, RS-232, and PoH [UHBX-R-WP].

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 10c4:8acb Silicon Labs C8051F38x HDBaseT Wall Plate Receiver with IR, RS-232, and PoH [UHBX-R-WP]

You can filter directly with lsusb -d 10c4:8acb, or get the full descriptor dump with lsusb -v -d 10c4:8acb. Kernel messages from dmesg show the same pair as idVendor=10c4, idProduct=8acb.

Windows

In Device Manager, open the device, go to Details → Hardware Ids. This device reports:

USB\VID_10C4&PID_8ACB
USB\VID_10C4&PID_8ACB&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_10C4&PID_8ACB"

macOS

$ system_profiler SPUSBDataType
    C8051F38x HDBaseT Wall Plate Receiver with IR, RS-232, and PoH [UHBX-R-WP]:
      Product ID: 0x8acb
      Vendor ID: 0x10c4  (Silicon Labs)

Driver help

Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page. Silicon Labs official support →

Raw usb.ids entry

The exact lines this page is generated from, in the upstream source file:

10c4  Silicon Labs
	8acb  C8051F38x HDBaseT Wall Plate Receiver with IR, RS-232, and PoH [UHBX-R-WP]

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