9 ITA-2231 User ManualChapter 2 Industrial Motherboard2.2.3 Network Interface LED IndicatorThe following table provides detailed information of LED definition.2.2.4 Serial Port Status LED IndicatorThe following table provides detailed information of LED definition.2.3 Jumpers and Connectors2.3.1 Jumper DescriptionYou may configure the ITA-2231 to match the needs of your application by settingjumpers. A jumper is a metal bridge used to close an electric circuit. It consists of twometal pins and a small metal clip (often protected by a plastic cover) that slides overthe pins to connect them. To close a jumper, you remove the clip. Sometime a jumperwill have three pins, labelled 1, 2 and 3. In this case you would connect either pins 1and 2, or 2 and 3.The jumpers setting are schematically depicted in this manual as follows.Item LED Status Color Description11000M On Green 1000M Receiving/transferring networkdata.100M On Orange 100M Receiving/transferring networkdata.10M Off 10M Receiving/transferring networkdata.Connected Flash Green Connecting.Item LED Status Color Description1TX Active Flash Green Transferring data through the serial port.TX No Data Off No data is being transferred through theserial port.RX Active Flash Orange Receiving data through the serial port.RX No Data Off No data is being received through theserial port.
