the power is derived from the USB port, there are not any cumbersome power adapters. This makes the converter especially suitable for PLCs, printers, POS system and industrial USB To RS485/422 converter allows PC users to connect their RS-485/422 devices. Port: One Independent RS-485 or RS-422 ports. the user instantly gets one extra high-speed RS-485 or RS-422 ports Connector(s) B: USB to RS485/422 Ausnahme: Der Artikel war ursprünglich in einer Nichteinzelhandelsverpackung verpackt, z., B. Rs 422 USB USB TO RS485/422 Converter Upgrade Protection RS485 CH340 Rs 232 Adapter Connector A: USB to RS485/422 MPN: USB To RS485/422 Converter Neu: Neuer, unbenutzter und unbeschädigter Artikel in nicht geöffneter Originalverpackung (soweit eine Verpackung vorhanden ist). Type: USB to RS485/422 Connection Split/Duplication: USB to RS485/422 Die Verpackung sollte der im Einzelhandel entsprechen.