05f9:4204 Gryphon series (RS-232 emulation mode)

PSC Scanning, Inc.

Vendor ID
05f9
Product ID
4204
Combined
05f9:4204
Decimal
1529:16900

What is this device?

This is the USB identifier for a Gryphon series (RS-232 emulation mode) manufactured by PSC Scanning, Inc.. The vendor ID 05f9 is registered to PSC Scanning, Inc. with the USB Implementers Forum, and 4204 is the product ID that PSC Scanning, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 05f9:4204 PSC Scanning, Inc. Gryphon series (RS-232 emulation mode).

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 05f9:4204 PSC Scanning, Inc. Gryphon series (RS-232 emulation mode)

You can filter directly with lsusb -d 05f9:4204, or get the full descriptor dump with lsusb -v -d 05f9:4204. Kernel messages from dmesg show the same pair as idVendor=05f9, idProduct=4204.

Windows

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

USB\VID_05F9&PID_4204
USB\VID_05F9&PID_4204&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_05F9&PID_4204"

macOS

$ system_profiler SPUSBDataType
    Gryphon series (RS-232 emulation mode):
      Product ID: 0x4204
      Vendor ID: 0x05f9  (PSC Scanning, 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:

05f9  PSC Scanning, Inc.
	4204  Gryphon series (RS-232 emulation mode)

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