![]() Table 1 summarizes the available design interface component that can be placed from the FPGA NB2DSK01 Port-Plugin.IntLib, to access and use the RS-232 interface. Sheet 51 ( CON_RS232DCE_DB9.SchDoc, entitled RS232-DCE DB9). ![]() The RS-232 interface circuitry can be found on the following sheets of the motherboard schematics: The DB9M (Male) connector (designated J9) is located on the component side of the board, to the immediate left of the CAN interface port. Connection to a host PC (wired as a DTE (Data Terminal Equipment)) can be achieved using a null modem serial cable. Drag and drop a library file from a Windows folder onto the Explorer panel. A DB-9 Male connector is used to provide a serial port, wired as a DCE (Data Communication Equipment), in accordance with the EIA-574 standard. In the Available File-based Libraries dialog, select a library entry on the Installed tab and then click the Import control. The MAX3232 device (designated U13) and associated external capacitors are located on the solder side of the board. Select File Import Library or Tools Import Library in the Database Library Editor. Searching our database and updating your Altium PCB library files takes mere moments, as demonstrated in our step-by-step video. The Ring Indicator signal ( RI) arriving on pin 9 of the connector, is not used. The incoming Data Terminal Ready signal ( DTR) – which arrives on pin 4 of the connector – is wired, on the motherboard, directly to the outgoing pins for the Data Set Ready ( DSR) and Data Carrier Detect ( DCD) signals (pins 6 and 1 respectively).
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