Mercury - NMEA 2000 Termination Resistor (Male) Network End Resistor 8M6004830. Overview. A healthy NMEA 2000 backbone needs proper termination at both ends, and this resistor provides one half of that requirement. The Mercury 8M6004830 NMEA 2000 Male Termination Resistor plugs into the male end of your N2K backbone to stabilize data flow and prevent signal reflections. Paired with a female terminator on the opposite end, it helps keep your entire network running smoothly.. Key Features. Male-Te