04e2:1403 XR2280x UART Channel D

Exar Corp.

Vendor ID
04e2
Product ID
1403
Combined
04e2:1403
Decimal
1250:5123

What is this device?

This is the USB identifier for a XR2280x UART Channel D manufactured by Exar Corp.. The vendor ID 04e2 is registered to Exar Corp. with the USB Implementers Forum, and 1403 is the product ID that Exar Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 04e2:1403 Exar Corp. XR2280x UART Channel D.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 04e2:1403 Exar Corp. XR2280x UART Channel D

You can filter directly with lsusb -d 04e2:1403, or get the full descriptor dump with lsusb -v -d 04e2:1403. Kernel messages from dmesg show the same pair as idVendor=04e2, idProduct=1403.

Windows

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

USB\VID_04E2&PID_1403
USB\VID_04E2&PID_1403&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_04E2&PID_1403"

macOS

$ system_profiler SPUSBDataType
    XR2280x UART Channel D:
      Product ID: 0x1403
      Vendor ID: 0x04e2  (Exar 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:

04e2  Exar Corp.
	1403  XR2280x UART Channel D

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