07fa:0847 — ISDN TA [HFC-S]
DrayTek Corp.
- Vendor ID
- 07fa
- Product ID
- 0847
- Combined
- 07fa:0847
- Decimal
- 2042:2119
What is this device?
This is the USB identifier for a ISDN TA [HFC-S] manufactured by DrayTek Corp.. The vendor ID 07fa is registered to DrayTek Corp. with the USB Implementers Forum, and 0847 is the product ID that DrayTek Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 07fa:0847 DrayTek Corp. ISDN TA [HFC-S].
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 07fa:0847 DrayTek Corp. ISDN TA [HFC-S]
You can filter directly with lsusb -d 07fa:0847, or get the full descriptor dump with lsusb -v -d 07fa:0847. Kernel messages from dmesg show the same pair as idVendor=07fa, idProduct=0847.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_07FA&PID_0847 USB\VID_07FA&PID_0847&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_07FA&PID_0847"
macOS
$ system_profiler SPUSBDataType
ISDN TA [HFC-S]:
Product ID: 0x0847
Vendor ID: 0x07fa (DrayTek Corp.)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:
07fa DrayTek Corp. 0847 ISDN TA [HFC-S]