10d5:55a2 — 2Port KVMSwitcher

This is the USB identifier for a 2Port KVMSwitcher manufactured by Uni Class Technology Co., Ltd. The vendor ID 10d5 is registered to Uni Class Technology Co., Ltd with the USB Implementers Forum, and 55a2 is the product ID that Uni Class Technology Co., Ltd assigned to this particular model. When you run lsusb on Linux, this device appears as 10d5:55a2 Uni Class Technology Co., Ltd 2Port KVMSwitcher.

Linux

$ lsusb
Bus 001 Device 004: ID 10d5:55a2 Uni Class Technology Co., Ltd 2Port KVMSwitcher

You can filter directly with lsusb -d 10d5:55a2, or get the full descriptor dump with lsusb -v -d 10d5:55a2. Kernel messages from dmesg show the same pair as idVendor=10d5, idProduct=55a2.

Windows

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

USB\VID_10D5&PID_55A2
USB\VID_10D5&PID_55A2&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_10D5&PID_55A2"

macOS

$ system_profiler SPUSBDataType
    2Port KVMSwitcher:
      Product ID: 0x55a2
      Vendor ID: 0x10d5  (Uni Class Technology Co., Ltd)

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.

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

10d5  Uni Class Technology Co., Ltd
	55a2  2Port KVMSwitcher

• 10d5:0004 PS/2 Converter
• 10d5:5552 KVM Human Interface Composite Device (Keyboard/Mouse ports)
• 10d5:5a08 Dual Bay Docking Station

See all 4 devices from Uni Class Technology Co., Ltd →