The EP-90R Water Pressure sensor, like other LowranceNet Electric Probe (EP) sensors, is designed for use with a NMEA 2000 DeviceNet Network. Your sensor, however, is also compatible with LowranceNet blue connector networks. It can be added to a blue connector network by using a red female to blue female adapter cable. Your sensor must be connected to a NMEA 2000 or it will not function.