056e:400b — LD-USB/TX
Elecom Co., Ltd
- Vendor ID
- 056e
- Product ID
- 400b
- Combined
- 056e:400b
- Decimal
- 1390:16395
What is this device?
This is the USB identifier for a LD-USB/TX manufactured by Elecom Co., Ltd. The vendor ID 056e is registered to Elecom Co., Ltd with the USB Implementers Forum, and 400b is the product ID that Elecom Co., Ltd assigned to this particular model. When you run lsusb on Linux, this device appears as 056e:400b Elecom Co., Ltd LD-USB/TX.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 056e:400b Elecom Co., Ltd LD-USB/TX
You can filter directly with lsusb -d 056e:400b, or get the full descriptor dump with lsusb -v -d 056e:400b. Kernel messages from dmesg show the same pair as idVendor=056e, idProduct=400b.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_056E&PID_400B USB\VID_056E&PID_400B&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_056E&PID_400B"
macOS
$ system_profiler SPUSBDataType
LD-USB/TX:
Product ID: 0x400b
Vendor ID: 0x056e (Elecom Co., 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:
056e Elecom Co., Ltd 400b LD-USB/TX