When termination resistors are connected at the wrong locations, the voltage drop in NET-S and NET-C power leads will be

• A. Greater
• B. Lesser
• C. A or B, depending on actual location
• D. none of the above

Answer: (D)

Termination on a NMEA 2000 CAN-style network is about matching impedance to prevent reflections, and the terminators sit across the two data wires (NET-S and NET-C) at the ends of the bus. Moving those terminations to wrong spots mainly degrades signal integrity, not the DC distribution of the power leads.

The voltage drop along NET-S and NET-C power leads is set by how much current the devices draw and the resistance of the power conductors. The terminators are connected across the data pair and do not form a series path in the power lead circuit, so their location does not create a predictable increase or decrease in DC voltage drop on those leads. For that reason, none of the listed effects reliably apply. The correct practice is to place terminations at the ends to maintain proper signal integrity.