Appendix A: Specifications441EMX2-888 Feature RJ-45 Port PinoutsRJ-45 Pin/signal definitionPin No. Signal Direction Description1 DTR Output Reserved2 GND ― Signal Ground3 +5V ― Fuse protectedWarning: Pin 3 is onlyintended for use withRaritan devices.4 TxD Output Transmit Data (Data out)5 RxD Input Receive Data (Data in)6 +12V ― Fuse protected7 GND ― Signal Ground8 DCD Input ReservedSensor RJ-12 Port PinoutsRJ-12 Pin/signal definitionPin No. Signal Direction Description1 +12V ― Power(500mA, fuse protected)2 GND ― Signal Ground3 ― ― ―4 ― ― ―5 GND ― Signal Ground6 1-wire 1-wire signal for externalenvironmental sensorpackagesSerial RS-232 Port Pinouts
