10 to 36 VDC allowed positive, negative, GND terminals power supply-25 to 70 deg F operating temperatureConfiguration (CFG) and error (ERR) communication status, power (PWR) and hardware fault (FLT), network status (NS) EtherNet/IP class I or class III connection status, module status (MS) module configuration status, EtherNet communication port link/activity and 100mbit, serial communication port receive (RX) and transmit (TX) LED indicatorsThe number of serial communication ports depends on the gateway type, and the combination of protocols serial port10/100 base-T half duplex RJ45 connector electrical isolation 1500 Vrms at 50 Hz to 60 Hz for 60 sec EtherNet portEtherNet broadcast storm resiliency is equal to less than or equal to 5000 [ARP] frames/sec and less than or equal to 5 min duration10/100 Mb EtherNet port with auto cable crossover detection2500 Vrms port signal isolation per UL 1577, 3000 VDC minimum port to ground and port to logic power isolation serial port isolation