It boots from the microSD card with no flash memory and hosts new interfaces, including a DB-9 serial connector, integrated 4-portUniversal serial Bus (USB) hub, and integrated Ethernet port.
它没有闪存从microsd卡引导，但是有很多新接口，包括一个DB - 9系列的连接器、集成4个端口的Universal Serial Bus (usb)总线、以及集成的Ethernet端口。
2
Through realizing PLC logic in FPGA and providing a compiler which can be used to compile PLC command to implement the sup - port of NC system to universal PLC program language.
While many MFP devices still use the parallel port, there is a shift to Universal Serial Bus (USB) for the high-speed connection of peripheral devices.