Maretron Mini Termination Resistor w/LED - Male - TRL-NMMaretron Mini Termination Resistor w LED Male TRL NM 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