040b:6543 — Manhattan Magnetic Card Strip Reader
Weltrend Semiconductor
- Vendor ID
- 040b
- Product ID
- 6543
- Combined
- 040b:6543
- Decimal
- 1035:25923
What is this device?
This is the USB identifier for a Manhattan Magnetic Card Strip Reader manufactured by Weltrend Semiconductor. The vendor ID 040b is registered to Weltrend Semiconductor with the USB Implementers Forum, and 6543 is the product ID that Weltrend Semiconductor assigned to this particular model. When you run lsusb on Linux, this device appears as 040b:6543 Weltrend Semiconductor Manhattan Magnetic Card Strip Reader.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 040b:6543 Weltrend Semiconductor Manhattan Magnetic Card Strip Reader
You can filter directly with lsusb -d 040b:6543, or get the full descriptor dump with lsusb -v -d 040b:6543. Kernel messages from dmesg show the same pair as idVendor=040b, idProduct=6543.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_040B&PID_6543 USB\VID_040B&PID_6543&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_040B&PID_6543"
macOS
$ system_profiler SPUSBDataType
Manhattan Magnetic Card Strip Reader:
Product ID: 0x6543
Vendor ID: 0x040b (Weltrend Semiconductor)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:
040b Weltrend Semiconductor 6543 Manhattan Magnetic Card Strip Reader