Garmin

Garmin NMEA 2000 In-Line Terminator

SKU: 31899 · UPC: 753759078430 · MPN: 010-11096-00
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02 · Overview

Garmin NMEA 2000 In-Line Terminator — Product description

NMEA 2000, Terminator, In-Line

Essential Network Termination for Seamless Marine Connectivity

Every serious boater knows that a reliable marine electronics setup starts with a solid foundation. The Garmin NMEA 2000 In-Line Terminator plays that critical role, ensuring your network runs smoothly without pesky signal issues. Designed for boaters who demand precision, this compact black terminator connects right between your backbone cable and compatible devices, preventing reflections that can disrupt data flow across your chartplotters, sensors, and multifunction displays.

Unlike basic connectors, this in-line model slips effortlessly into place, maintaining the integrity of your NMEA 2000 backbone. It's a small piece that delivers big results—think crystal-clear sonar readings, accurate GPS tracking, and uninterrupted engine data, all without the headaches of intermittent dropouts.

Why Proper Termination Matters on the Water

NMEA 2000 networks rely on a backbone cable where devices drop in like branches on a tree trunk. But without terminators at both ends, signals bounce back like echoes in a canyon, causing errors, corrupted data, or total network failure. This Garmin terminator acts as the "stop sign" for those signals, absorbing them cleanly so your system communicates flawlessly.

  • Prevents Data Corruption: Say goodbye to erratic depth readings or lost waypoints.
  • Boosts Reliability: Ideal for rough seas where vibrations could loosen connections.
  • Simplifies Expansion: Add more devices without rewiring the entire setup.

Boaters upgrading from older NMEA 0183 systems appreciate how this terminator future-proofs their network, handling high-speed data from modern transducers and radars alike.

Step-by-Step Installation Guide

Setting it up is straightforward—no special tools required beyond what's in your standard marine toolkit:

  1. Power down your entire NMEA 2000 network to avoid shorts.
  2. Locate the end of your backbone cable (the main T-connector or drop cable).
  3. Plug the terminator directly into the open female socket, twisting until secure.
  4. Route any excess cable neatly to prevent snags, using zip ties for strain relief.
  5. Power up and verify the network status light on your Garmin devices glows steady green.

Pro tip: Always install matching terminators at both ends of the backbone—one inline like this, and another at the opposite termination point—for optimal performance up to 100 meters of cable length.

Broad Compatibility with Garmin Marine Gear

This terminator integrates seamlessly with a range of Garmin chartplotters and fishfinders, including popular EchoMAP CHIRP models. It's engineered to work hand-in-hand with Garmin's ecosystem, supporting everything from compact combo units to full helm stations. Whether you're pairing it with GPSMAP series or autopilot sensors, it ensures plug-and-play reliability that keeps you focused on the horizon, not troubleshooting.

Built to Withstand Marine Demands

Crafted from durable, weather-resistant materials, this black in-line terminator shrugs off saltwater spray, UV exposure, and constant submersion. It's rated for the harsh marine environment, with secure Micro-C connectors that lock in place against waves and engine vibrations. Backed by Garmin's commitment to quality, it delivers years of trouble-free service.

Frequently Asked Questions

Do I need two NMEA 2000 terminators for my network?

Yes, NMEA 2000 standards require terminators at both ends of the backbone cable to properly manage signal reflection. Use this in-line version at one end and a standard terminator at the other for full coverage.

Will this terminator work with non-Garmin NMEA 2000 devices?

Absolutely—it's fully compliant with the NMEA 2000 protocol, so it pairs with any certified brand like Lowrance, Simrad, or Raymarine, as long as they use standard Micro-C connectors.

What happens if I forget to install a terminator?

Without it, your network may experience intermittent errors, slow data rates, or complete dropouts. Symptoms include flashing status lights on devices or inaccurate sensor readings.

Can I use this on longer backbone runs?

Yes, it's suitable for backbones up to the NMEA 2000 max of 100 meters (328 feet), provided you use quality cabling and power insertion every 10-20 devices.

How do I troubleshoot if the network isn't recognizing the terminator?

Check for secure connections, ensure power is supplied correctly (9-16V DC), and verify no bent pins. Use Garmin's NMEA 2000 diagnostic tools in your display for deeper insights.

Is this terminator waterproof?

Yes, it features IP67-rated protection, making it fully submersible and resistant to corrosion in marine conditions.

Garmin make products that are engineered on the inside for life on the outside. We bring GPS navigation and wearable technology to the automotive, aviation, marine, outdoor and fitness markets. We believe every day is an opportunity to innovate and a chance to beat yesterday. We offer products with essential utility, leading-edge technologies, compelling features, and exceptional ease-of-use to create clear differentiators our customers appreciate and desire.

Garmin 101109600 Attributes

  • Used To: Properly Terminate An NMEA 2000 Network
  • Type: In-Line Terminator
  • Color: Black
  • Quantity: Single

Garmin 101109600 Features & Benefits

  • Use Our Inline Terminator Between The Backbone Cable And Your Compatible Device To Correctly Terminate The Network
  • Compatible With EchoMAP ™ CHIRP 52cv, 52dv, 53cv, 53dv
  • Garmin Offer Products With Essential Utility
  • Awe-Inspiring Designs, Impeccable Quality, And Superior Reliability
  • Limited 1 Year Warranty

Garmin 101109600 Warranties


NMEA 2000 in-line terminator

Use this serial terminator between the backbone cable and compatible equipment to correctly terminate the network. No matter where you take ocean adventures, you can easily achieve...
SKU: NVN-31899
MPN: 010-11096-00
UPC: 753759078430
03 · The numbers

Technical specifications

BrandGarmin
ModelGarmin NMEA 2000 In-Line Terminator
SKU / MFR#31899

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04 · Before you buy

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05 · Customer voices

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