05fa:3303 — Keyboard with PS/2 Mouse Port
Siemens Telecommunications Systems, Ltd
- Vendor ID
- 05fa
- Product ID
- 3303
- Combined
- 05fa:3303
- Decimal
- 1530:13059
What is this device?
This is the USB identifier for a Keyboard with PS/2 Mouse Port manufactured by Siemens Telecommunications Systems, Ltd. The vendor ID 05fa is registered to Siemens Telecommunications Systems, Ltd with the USB Implementers Forum, and 3303 is the product ID that Siemens Telecommunications Systems, Ltd assigned to this particular model. When you run lsusb on Linux, this device appears as 05fa:3303 Siemens Telecommunications Systems, Ltd Keyboard with PS/2 Mouse Port.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 05fa:3303 Siemens Telecommunications Systems, Ltd Keyboard with PS/2 Mouse Port
You can filter directly with lsusb -d 05fa:3303, or get the full descriptor dump with lsusb -v -d 05fa:3303. Kernel messages from dmesg show the same pair as idVendor=05fa, idProduct=3303.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_05FA&PID_3303 USB\VID_05FA&PID_3303&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_05FA&PID_3303"
macOS
$ system_profiler SPUSBDataType
Keyboard with PS/2 Mouse Port:
Product ID: 0x3303
Vendor ID: 0x05fa (Siemens Telecommunications Systems, Ltd)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:
05fa Siemens Telecommunications Systems, Ltd 3303 Keyboard with PS/2 Mouse Port