Lowrance Ethernet Cable w/ Yellow Plugs, 50 ft - Navico Ready

In this review the Lowrance Ethernet Cable w/ Yellow Plugs, 50 ft is evaluated for boaters and marine electronics technicians who need a reliable extension for Navico networks. The bottom line: this ETHEXT-50 YL cable is a straightforward, purpose-built Ethernet extension that connects to NEP-1 or NEP-2 expansion ports and other Navico systems with 5 pin yellow plugs, making it the simplest way to extend networked displays or sensors without adapters. If you need a long, OEM-compatible lead for a Navico setup, this cable delivers predictable connectivity.

Key Features

• 50 ft length: allows flexible placement of displays or networked devices across a boat or installation without relying on improvised splices.
• 5 pin yellow plugs: matches Navico and compatible equipment connectors to ensure a proper physical and electrical fit.
• Designed for Navico systems: built specifically for Navico expansion ports including NEP-1 and NEP-2 so installers avoid connector incompatibility.
• Ethernet extension: extends network lines while preserving signal routing for sensors and multifunction displays in a simple point-to-point run.
• OEM part number information: supplied with the manufacturer part MFG# 000-0127-37 so technicians can confirm compatibility during installations.

Who It's For

This cable is ideal for boat owners, marine electronics installers, and service techs who operate Navico systems and need a clean extension to reach plotters, fishfinders, or network hubs. Its 50 ft length is useful when rerouting cabling through bulkheads, along gunwales, or between helm stations and forward displays.

It is not aimed at general home networking use or Cat 6 patching in office environments where RJ45 ends and different shielding requirements are expected; those users should choose a standard Ethernet cable designed for structured cabling.

Pros & Cons

Pros

• Direct compatibility with Navico NEP-1 and NEP-2 ports simplifies installations and reduces adapter needs.
• 50 ft length provides practical reach for most small to medium marine installations without multiple joints.
• Factory part designation helps confirm fit and aids in professional replacements.

Cons

• Connector style and yellow plugs are specific to Navico equipment, so it is not a universal office Ethernet solution.

Specifications

Product	ETHEXT-50 YL Ethernet extension cable
Length	50 ft
Connector type	5 pin yellow plugs
Compatible systems	Navico systems, NEP-1 and NEP-2 expansion ports
Manufacturer part	MFG# 000-0127-37

Our Verdict

The Lowrance Ethernet Cable w/ Yellow Plugs, 50 ft is a practical, no-nonsense extension for anyone working with Navico networks; it avoids compatibility headaches by using the same 5 pin yellow connector and offers a useful 50 ft reach. For boaters and marine technicians who need OEM-style cabling to link displays and hubs, it represents good value as a direct replacement or planned extension.

Frequently Asked Questions

Will this cable work with other brands?
It is designed for Navico systems and NEP-1/NEP-2 ports using 5 pin yellow plugs; other brands may use different connector styles so check compatibility first.

Can it be cut and reterminated?
It uses a proprietary 5 pin plug arrangement intended for factory terminations, so field cutting and retermination is not recommended for most users.

Is this suitable for networking on land?
While it is an Ethernet extension, the yellow 5 pin plugs are specific to marine Navico gear, not standard RJ45 home or office networks.