135e:0021 — Berker KNX Data Interface
Insta GmbH
- Vendor ID
- 135e
- Product ID
- 0021
- Combined
- 135e:0021
- Decimal
- 4958:33
What is this device?
This is the USB identifier for a Berker KNX Data Interface manufactured by Insta GmbH. The vendor ID 135e is registered to Insta GmbH with the USB Implementers Forum, and 0021 is the product ID that Insta GmbH assigned to this particular model. When you run lsusb on Linux, this device appears as 135e:0021 Insta GmbH Berker KNX Data Interface.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 135e:0021 Insta GmbH Berker KNX Data Interface
You can filter directly with lsusb -d 135e:0021, or get the full descriptor dump with lsusb -v -d 135e:0021. Kernel messages from dmesg show the same pair as idVendor=135e, idProduct=0021.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_135E&PID_0021 USB\VID_135E&PID_0021&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_135E&PID_0021"
macOS
$ system_profiler SPUSBDataType
Berker KNX Data Interface:
Product ID: 0x0021
Vendor ID: 0x135e (Insta GmbH)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:
135e Insta GmbH 0021 Berker KNX Data Interface