085a:0023 — 2 port to Serial Converter
Xircom
- Vendor ID
- 085a
- Product ID
- 0023
- Combined
- 085a:0023
- Decimal
- 2138:35
What is this device?
This is the USB identifier for a 2 port to Serial Converter manufactured by Xircom. The vendor ID 085a is registered to Xircom with the USB Implementers Forum, and 0023 is the product ID that Xircom assigned to this particular model. When you run lsusb on Linux, this device appears as 085a:0023 Xircom 2 port to Serial Converter.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 085a:0023 Xircom 2 port to Serial Converter
You can filter directly with lsusb -d 085a:0023, or get the full descriptor dump with lsusb -v -d 085a:0023. Kernel messages from dmesg show the same pair as idVendor=085a, idProduct=0023.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_085A&PID_0023 USB\VID_085A&PID_0023&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_085A&PID_0023"
macOS
$ system_profiler SPUSBDataType
2 port to Serial Converter:
Product ID: 0x0023
Vendor ID: 0x085a (Xircom)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:
085a Xircom 0023 2 port to Serial Converter