0509:0801 — ADSL Modem
Aztech Systems, Ltd
- Vendor ID
- 0509
- Product ID
- 0801
- Combined
- 0509:0801
- Decimal
- 1289:2049
What is this device?
This is the USB identifier for a ADSL Modem manufactured by Aztech Systems, Ltd. The vendor ID 0509 is registered to Aztech Systems, Ltd with the USB Implementers Forum, and 0801 is the product ID that Aztech Systems, Ltd assigned to this particular model. When you run lsusb on Linux, this device appears as 0509:0801 Aztech Systems, Ltd ADSL Modem.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 0509:0801 Aztech Systems, Ltd ADSL Modem
You can filter directly with lsusb -d 0509:0801, or get the full descriptor dump with lsusb -v -d 0509:0801. Kernel messages from dmesg show the same pair as idVendor=0509, idProduct=0801.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_0509&PID_0801 USB\VID_0509&PID_0801&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0509&PID_0801"
macOS
$ system_profiler SPUSBDataType
ADSL Modem:
Product ID: 0x0801
Vendor ID: 0x0509 (Aztech 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:
0509 Aztech Systems, Ltd 0801 ADSL Modem