UTS-402CK
Industrial 2-Port RS-232/422/485 to USB 2.0 High Speed Converter with Locking Feature

The UTS-402CK is a 2 Port RS-232/422/485 Combo to USB 2.0 serial adapter that is designed for PCs, thin clients, or servers to provide instant COM port expansion via the Universal Serial Bus (USB).
It supports a screw lock feature for the upstream (USB type B) connector with the screw lock USB cables. It prevents from disconnecting the USB cable accidentally.
The UTS-402CK provides the scalability to quickly adapt to new USB technologies. Multiple modules can be added to a single USB interface allowing you to add RS-232 connectivity as needed.
With the USB Plug-and-Play feature, simply plug in, follow the instructions of Install Wizard, then you are done. You don¦t have to deal with Card Slots, I/O address, IRQ jumpers, DMA and others when you are connecting the devices. The System will recognize the device and install the drivers automatically. The UTS-402CK is an ideal solution for your expanding applications.