The purpose of this module is to interconnect serial sources which send serial strings according the NMEA 0183 standard. The 8NMEAto1 Ethernet module converts up to 8 NMEA sources to UDP or TCP/IP Ethernet and one RS422 output. Filtering of output strings is possible. The NMEA inputs are among themselves to the Ethernet output as well as to the RS422 output galvanic isolated. The system status will signalize as common alarm by a relay contact, by an Error LED and by a serial telegram.