04bb:0a03 Serial USB-RSAQ1

I-O Data Device, Inc.

Vendor ID
04bb
Product ID
0a03
Combined
04bb:0a03
Decimal
1211:2563

What is this device?

This is the USB identifier for a Serial USB-RSAQ1 manufactured by I-O Data Device, Inc.. The vendor ID 04bb is registered to I-O Data Device, Inc. with the USB Implementers Forum, and 0a03 is the product ID that I-O Data Device, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 04bb:0a03 I-O Data Device, Inc. Serial USB-RSAQ1.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 04bb:0a03 I-O Data Device, Inc. Serial USB-RSAQ1

You can filter directly with lsusb -d 04bb:0a03, or get the full descriptor dump with lsusb -v -d 04bb:0a03. Kernel messages from dmesg show the same pair as idVendor=04bb, idProduct=0a03.

Windows

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

USB\VID_04BB&PID_0A03
USB\VID_04BB&PID_0A03&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_04BB&PID_0A03"

macOS

$ system_profiler SPUSBDataType
    Serial USB-RSAQ1:
      Product ID: 0x0a03
      Vendor ID: 0x04bb  (I-O Data Device, Inc.)

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:

04bb  I-O Data Device, Inc.
	0a03  Serial USB-RSAQ1

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