Termination Resistors are required on a NMEA 2000 network and are placed at each end of a network trunk cable.  Like the double-ended cordsets, the termination resistors are waterproof and continue to function even while submerged in the bilge.
 Diagnostic versions indicate correct polarity at a glance to ensure power connections have been made properly
 Screw connector for positive connnection
 Termination resistors are used to terminate both ends of the trunk line