Diagnostic and ip configurator error messages, The cable is not plugged into port 1, The cable was not connected to the correct ports – Comtrol RocketPort Serial Hub Si 8-Port User Manual
Page 7: Hardware in one of the ports is failing, Connecting devices, Building an ethernet crossover cable, Db9 connector pinouts, Building null-modem cables, Build cables or loopback plug, Building an ethernet crossover cabl

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