2001:400b 10/100 Ethernet

D-Link Corp.

Vendor ID
2001
Product ID
400b
Combined
2001:400b
Decimal
8193:16395

What is this device?

This is the USB identifier for a 10/100 Ethernet manufactured by D-Link Corp.. The vendor ID 2001 is registered to D-Link Corp. with the USB Implementers Forum, and 400b is the product ID that D-Link Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 2001:400b D-Link Corp. 10/100 Ethernet.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 2001:400b D-Link Corp. 10/100 Ethernet

You can filter directly with lsusb -d 2001:400b, or get the full descriptor dump with lsusb -v -d 2001:400b. Kernel messages from dmesg show the same pair as idVendor=2001, idProduct=400b.

Windows

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

USB\VID_2001&PID_400B
USB\VID_2001&PID_400B&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_2001&PID_400B"

macOS

$ system_profiler SPUSBDataType
    10/100 Ethernet:
      Product ID: 0x400b
      Vendor ID: 0x2001  (D-Link 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:

2001  D-Link Corp.
	400b  10/100 Ethernet

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