USB-RS232 OptoBridge

USB ID 0403:e889 · Future Technology Devices International, Ltd

VendorFuture Technology Devices International, Ltd
Vendor ID0403
Device IDe889
Windows hardware IDUSB\VID_0403&PID_E889
Linux modaliasusb:v0403pE889
Linux driverftdi_sio

Frequently asked questions

Which device has USB ID 0403:e889?

USB ID 0403:e889 is “USB-RS232 OptoBridge” made by Future Technology Devices International, Ltd (vendor ID 0403, device ID e889).

Which Linux driver supports USB-RS232 OptoBridge?

In Linux kernel 6.12 the device is bound to the driver ftdi_sio (source under drivers/usb/serial). The driver is normally loaded automatically when the device is detected.

How do I check whether USB-RS232 OptoBridge is in my computer?

On Linux, lsusb -d 0403:e889 shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as USB\VID_0403&PID_E889.

How do I see which driver is currently in use?

lsusb -t prints the device tree with the bound driver (Driver=…) for each interface.

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