6244:0421 — Intelligent Usb Dmx Interface SIUDI8A (LightingSoft AG)

What is this device?

This is the USB identifier for a Intelligent Usb Dmx Interface SIUDI8A manufactured by LightingSoft AG. The vendor ID 6244 is registered to LightingSoft AG with the USB Implementers Forum, and 0421 is the product ID that LightingSoft AG assigned to this particular model. When you run lsusb on Linux, this device appears as 6244:0421 LightingSoft AG Intelligent Usb Dmx Interface SIUDI8A.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 6244:0421 LightingSoft AG Intelligent Usb Dmx Interface SIUDI8A

You can filter directly with lsusb -d 6244:0421, or get the full descriptor dump with lsusb -v -d 6244:0421. Kernel messages from dmesg show the same pair as idVendor=6244, idProduct=0421.

Windows

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

USB\VID_6244&PID_0421
USB\VID_6244&PID_0421&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_6244&PID_0421"

macOS

$ system_profiler SPUSBDataType
    Intelligent Usb Dmx Interface SIUDI8A:
      Product ID: 0x0421
      Vendor ID: 0x6244  (LightingSoft AG)

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.

Raw usb.ids entry

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

6244  LightingSoft AG
	0421  Intelligent Usb Dmx Interface SIUDI8A

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