Lowrance

Lowrance NEP-2 Network Expansion Port

SKU: 40892 · UPC: 042194535593 · MPN: 000-10029-001
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02 · Overview

Lowrance NEP-2 Network Expansion Port — Product description

Expand your marine electronics setup effortlessly with the Lowrance NEP-2 Network Expansion Port, a robust solution designed for seamless data sharing across multiple displays and modules. This powered Ethernet hub connects up to five compatible devices, enabling high-speed exchange of critical information like charts, waypoints, routes, radar overlays, and sonar logs. Whether you're running a single helm station or distributing screens throughout your vessel, the NEP-2 keeps everything synchronized without the hassle of complex wiring.

Built to thrive in harsh saltwater conditions, its fully waterproof construction meets IPX7 standards, shrugging off spray, submersion, and corrosive elements that plague lesser hubs. Anglers and boaters alike appreciate how it unlocks the full potential of Lowrance systems, letting you overlay StructureScan imaging from one display onto another or share live radar sweeps from Broadband 3G/HD modules. Imagine plotting a route on your bow-mounted chartplotter and watching it instantly appear on the console unit—no more redundant data entry or missed opportunities on the water.

Key Advantages for Onboard Networking

  • Plug-and-Play Simplicity: No IT degree required—just connect your 5-pin Ethernet cables (sold separately) and power it up with the included 4-pin cable for instant networking.
  • High-Speed Performance: Gigabit Ethernet ensures lag-free transmission of sonar graphs, weather data from LWX-1 Sirius modules, and radar returns, even during intense fishing sessions.
  • Future-Proof Design: Five ports mean room to grow, with capped unused openings that maintain waterproof integrity until you're ready to add more HDS units or accessories.
  • Noise Rejection: Advanced filtering cuts VHF radio interference, keeping your signals clean and reliable in crowded marinas or during radio chatter.

Perfect Fit for Lowrance Ecosystems

The NEP-2 shines brightest with HDS series chartplotters, especially when paired with sonar hubs or radar domes. It bridges older models too—think 2007 and later LCX, LMS, and GlobalMap units sporting 5-pin connectors—creating a unified network that evolves with your boating needs. Transmit live sonar control from an HDS-M to networked partners, or distribute Sirius weather overlays fleet-wide. This hub isn't just connective tissue; it's the backbone that turns disparate screens into a cohesive command center.

Rugged Specs for Real-World Demands

Specification Details
Ports 5 x Ethernet (5-pin compatible)
Waterproof Rating IPX7
Dimensions (WxHxD) 8.3 in x 2.3 in x 7.4 in (210 mm x 57.6 mm x 188 mm)
Weight 1.82 lbs (0.825 kg)
Operating Temperature -20°F to +167°F (-28°C to +75°C)
Power Supply 12 VDC (10-17 VDC max)

Streamline Your Setup and Boost Efficiency

Mount the compact NEP-2 out of the way—its low profile fits neatly behind panels or in dry boxes—then daisy-chain your displays for a clutter-free install. Boaters report fewer troubleshooting headaches and sharper decision-making, like spotting structure changes in real-time across screens. While Ethernet cables aren't bundled, standard yellow 5-pin varieties from Lowrance ensure perfect compatibility. Pair it with a Broadband Sounder for downrigger precision or radar for safe night runs, and you'll wonder how you navigated without it.

Frequently Asked Questions

What devices can the Lowrance NEP-2 connect?

It supports up to five Lowrance HDS displays, LCX, LMS, GlobalMap models (2007+ with 5-pin Ethernet), plus modules like Broadband Radar, StructureScan, LWX-1 Sirius Weather, and sonar hubs.

Is the NEP-2 waterproof for marine use?

Yes, it's fully waterproof to IPX7 standards, resisting submersion and corrosive saltwater environments, with capped ports for protection.

Does the NEP-2 include Ethernet cables?

No, it comes with a 4-pin power cable but requires separate yellow 5-pin Ethernet cables for connections.

What power does the Lowrance NEP-2 need?

It operates on 12 VDC, with a range of 10-17 VDC maximum, powered via the included 4-pin cable.

Can the NEP-2 share sonar data between displays?

Absolutely—it transmits sonar graphs, StructureScan imaging, and control from HDS-M series to other networked HDS displays.

How does the NEP-2 handle interference?

It features advanced VHF radio band noise rejection for clean, reliable data sharing even in noisy environments.

What are the dimensions of the NEP-2?

It measures 8.3 inches wide, 2.3 inches high, and 7.4 inches deep (210 x 57.6 x 188 mm), making it easy to mount.

The Network Expansion Port allows multiple displays to exchange chart, waypoint, route, radar and sonar data across an Ethernet network.

Lowrance Electronics 10029001 Attributes

  • Number Of Ports: 5
  • Type: Plug And Play
  • Includes: 4 Pin Power Cable

Lowrance Electronics 10029001 Features & Benefits

  • Features High Speed
  • Features Ethernet Connectivity
  • Features 5 Ports
  • Fully Waterproof
  • Plug And Play Connection
  • Limited 1 Year Warranty

NEP-2 Network Expansion Port

Lowrance NEP-2 Network Expansion Port-2 plug-and-play hub for high-speed data-sharing of multiple HDS, LCX,and LMS products with ethernet modules, like the LWX-1 SIRIUS Satellite Radar and Radio module and the Broadband Sounder module across the onboard network. Lowrance NEP-2 Waterproof expansion ports resist corrosive marine environments. Unused expansion ports capped for future expansion.



Navico expansion port, Nep-2, manufacturing number 000-10029-001, a five-port Ethernet expansion box for Lowrance HDS systems, used to connect radar, weather modules or multiple displays. ...
SKU: NVN-40892
MPN: 000-10029-001
UPC: 042194535593
03 · The numbers

Technical specifications

BrandLowrance
ModelLowrance NEP-2 Network Expansion Port
SKU / MFR#40892

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04 · Before you buy

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05 · Customer voices

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