2100:9e5f — FT232RL [RTS05 Serial Cable]
RT Systems
- Vendor ID
- 2100
- Product ID
- 9e5f
- Combined
- 2100:9e5f
- Decimal
- 8448:40543
What is this device?
This is the USB identifier for a FT232RL [RTS05 Serial Cable] manufactured by RT Systems. The vendor ID 2100 is registered to RT Systems with the USB Implementers Forum, and 9e5f is the product ID that RT Systems assigned to this particular model. When you run lsusb on Linux, this device appears as 2100:9e5f RT Systems FT232RL [RTS05 Serial Cable].
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 2100:9e5f RT Systems FT232RL [RTS05 Serial Cable]
You can filter directly with lsusb -d 2100:9e5f, or get the full descriptor dump with lsusb -v -d 2100:9e5f. Kernel messages from dmesg show the same pair as idVendor=2100, idProduct=9e5f.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_2100&PID_9E5F USB\VID_2100&PID_9E5F&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_2100&PID_9E5F"
macOS
$ system_profiler SPUSBDataType
FT232RL [RTS05 Serial Cable]:
Product ID: 0x9e5f
Vendor ID: 0x2100 (RT Systems)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:
2100 RT Systems 9e5f FT232RL [RTS05 Serial Cable]