0540:0101 — Panache Surf ISDN TA

This is the USB identifier for a Panache Surf ISDN TA manufactured by UniAccess AB. The vendor ID 0540 is registered to UniAccess AB with the USB Implementers Forum, and 0101 is the product ID that UniAccess AB assigned to this particular model. When you run lsusb on Linux, this device appears as 0540:0101 UniAccess AB Panache Surf ISDN TA.

Linux

$ lsusb
Bus 001 Device 004: ID 0540:0101 UniAccess AB Panache Surf ISDN TA

You can filter directly with lsusb -d 0540:0101, or get the full descriptor dump with lsusb -v -d 0540:0101. Kernel messages from dmesg show the same pair as idVendor=0540, idProduct=0101.

Windows

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

USB\VID_0540&PID_0101
USB\VID_0540&PID_0101&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0540&PID_0101"

macOS

$ system_profiler SPUSBDataType
    Panache Surf ISDN TA:
      Product ID: 0x0101
      Vendor ID: 0x0540  (UniAccess AB)

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:

0540  UniAccess AB
	0101  Panache Surf ISDN TA

See all 1 devices from UniAccess AB →