... networks, supporting CAN2.0A/B protocol: CAN,DeviceNet,CAN Open,SDS,NMEA2000,SAE J1939,SAE J2284 stard fieldbus etc. ... networks, supporting CAN2.0A/B protocol: CAN,DeviceNet,CAN Open,SDS,NMEA2000,SAE J1939,SAE J2284 standard fieldbus etc.Independent ... and reverse polarity protection, industrial terminal interface. Ø Relay alarm out put: optical fiber link failure and power failure alarm output ...