The ULI-342TC converts USB to 2-port RS-422/485. It features optical isolation for protection against voltage spikes and ground loops and has high-retention USB ports for secure connections (depending on the model). It supports USB 2.0 and is backwards compatible. The serial data rate can reach speeds of 921.6kbps, and the USB data rate can go up to 12Mbps, depending on the model. Mounting options include inline, panel, and DIN rail. Powering can be done through the USB port or externally, a USB cable is included with all models.