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Enhance your marine network setup with this robust 5-meter Ethernet extension cable, tailored specifically for seamless M12 to RJ45 connectivity on the NEP-3 Network Expansion Port. Whether you're expanding your Simrad or Lowrance display array or linking peripherals in a harsh saltwater environment, this cable delivers reliable data transmission without the hassles of signal loss or corrosion.
In the demanding world of boating, standard office cables just don't cut it. This Navico cable features an IP67-rated M12 connector on one end, which locks securely and resists water ingress, sprays, and vibrations common on deck. The RJ45 end plugs effortlessly into standard Ethernet ports, bridging your NEP-3 to switches, computers, or other NMEA 2000 gateways. At 5 meters, it strikes the perfect balance—long enough to route through bulkheads without excess slack, yet manageable for clean installations.
Picture this: You're running a busy fishing charter with multiple multifunction displays at the helm and flybridge. This cable lets you daisy-chain your NEP-3 to distribute StructureScan data or AIS feeds across the boat, all while keeping wiring tidy under consoles. Installers love it for retrofits too—thread it through tight conduits without kinking, and its shielded pairs minimize interference from engines or radios.
Pro Tip: For optimal network health, pair it with a powered Ethernet switch in your setup. This prevents voltage drops over longer runs and keeps latency low during critical maneuvers.
| Specification | Details |
|---|---|
| Length | 5 meters |
| Connectors | M12 (female) to RJ45 (male) |
| Rating | IP67 on M12 end, Cat5e |
| Shielding | STP (Shielded Twisted Pair) |
| Compatibility | NEP-3, NSS evo3, NSO evo3, B&G Zeus3 |
Avoid common pitfalls by securing the M12 connector with its threaded collar—finger-tight plus a quarter turn does the trick. Route away from high-voltage lines to dodge EMI, and use zip ties sparingly to prevent pinching. Test your network post-install with a simple ping from a connected device to confirm full duplex operation.
Yes, the M12 connector is IP67 rated, making it fully protected against dust and temporary immersion in water up to 1 meter, ideal for exposed deck installations.
Absolutely, its Cat5e construction and shielding support up to 1 Gbps, perfect for sharing high-bandwidth data like HD radar or forward-scan sonar.
Yes, it's fully compatible with NEP-3 ports on Lowrance HDS LIVE, Simrad NSS evo3, and B&G Zeus3 series, as Navico designs unified networking across brands.
Check for the M12 port on your NEP-3 unit. This cable matches that standard, unlike bare RJ45 leads which won't lock securely.
Marine-grade build: threaded M12 for vibration-proof connections, thicker insulation against saltwater corrosion, and EMI shielding for reliable data amid boat electronics.
We don't recommend splicing due to signal integrity risks. For longer runs, add a network switch midway instead.
Indirectly yes—NEP-3 bridges Ethernet to NMEA 2000, so this cable enables Ethernet side of hybrid setups for expanded sensor integration.
Upgrade your onboard electronics with confidence— this cable is the reliable link your network deserves for safer, smoother voyages.
Ethernet Cable - 5M - M12 to RJ45 for NEP-3
The Navico Ethernet Extension cable measures 5M and is designed for M12 to RJ45 connections for the NEP-3.
Ships within 48 hours · Estimated delivery Sep 16 - Sep 21
US$40
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