Lowrance TR-120-Kit NMEA 2000 Terminating Kit

Lowrance TR-120-Kit NMEA 2000 Terminating Kit

Overview

The Lowrance TR-120-Kit is a NMEA 2000 terminating kit designed to properly close off open network endpoints. Every NMEA 2000 backbone must be terminated at both ends this kit provides both the male and female terminators needed to complete a new installation or expand an existing network without leaving open connections.

Kit Contents

• 1 Male NMEA 2000 Terminator
• 1 Female NMEA 2000 Terminator

Key Features

• Terminates both ends of a NMEA 2000 backbone in a single kit
• Maintains proper 120-ohm network impedance for signal integrity
• Compact, weather-resistant marine-grade connectors
• Compatible with standard Micro-C NMEA 2000 connectors

Compatible Applications

• Any NMEA 2000 backbone network requiring termination at one or both ends
• Lowrance HDS, Elite, and HOOK series chartplotter/fishfinder networks
• Simrad NSS, NSO, GO, and Cruise series networks
• B&G Zeus, Vulcan, and Triton series networks
• Garmin echoMAP and GPSMAP series NMEA 2000 networks
• Any standard Micro-C NMEA 2000 backbone (LEN-compliant devices)

Technical Notes

• NMEA 2000 networks require exactly two terminators one at each end of the backbone
• Do not use terminators mid-backbone or on drop cables
• Terminators must be 120-ohm to meet NMEA 2000 specification
• Ensure connector is fully seated and locked a loose terminator causes intermittent network faults

Parts Desk Insights

Best Use Case: This kit is the go-to when building a new NMEA 2000 backbone from scratch or when extending an existing network and finding an open end. Having both male and female terminators in one kit covers either end without needing to order separately.

Common Issues: Network instability and lost sensor data are the most frequent symptoms of missing or improperly seated terminators. If a customer reports devices dropping off intermittently, confirm their backbone has exactly two terminators installed and that both are fully locked in. A partially connected terminator reads the same as no terminator to the network.

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