16c0:27dd — CDC-ACM class devices (modems)

This is the USB identifier for a CDC-ACM class devices (modems) manufactured by Van Ooijen Technische Informatica. The vendor ID 16c0 is registered to Van Ooijen Technische Informatica with the USB Implementers Forum, and 27dd is the product ID that Van Ooijen Technische Informatica assigned to this particular model. When you run lsusb on Linux, this device appears as 16c0:27dd Van Ooijen Technische Informatica CDC-ACM class devices (modems).

Linux

$ lsusb
Bus 001 Device 004: ID 16c0:27dd Van Ooijen Technische Informatica CDC-ACM class devices (modems)

You can filter directly with lsusb -d 16c0:27dd, or get the full descriptor dump with lsusb -v -d 16c0:27dd. Kernel messages from dmesg show the same pair as idVendor=16c0, idProduct=27dd.

Windows

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

USB\VID_16C0&PID_27DD
USB\VID_16C0&PID_27DD&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_16C0&PID_27DD"

macOS

$ system_profiler SPUSBDataType
    CDC-ACM class devices (modems):
      Product ID: 0x27dd
      Vendor ID: 0x16c0  (Van Ooijen Technische Informatica)

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:

16c0  Van Ooijen Technische Informatica
	27dd  CDC-ACM class devices (modems)

• 16c0:27d9 HID device except mice, keyboards, and joysticks
• 16c0:27da Mouse
• 16c0:27db Keyboard
• 16c0:27dc Joystick
• 16c0:27de MIDI class devices
• 16c0:294a Eye Movement Recorder [Visagraph]
• 16c0:294b Eye Movement Recorder [ReadAlyzer]

See all 58 devices from Van Ooijen Technische Informatica →