Garmin GSD 28 Sonar Module Technical Reference for Garmin BlueNet Network Prod

Garmin GSD 28 Sonar Module Manual

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TECHNICAL
REFERENCE
FOR
GARMIN
BLUENET
NETWORK
TECHNOLOGY
Garmin BlueNet Technology Overview
This reference provides technical information about Garmin BlueNet technology, Garmin BlueNet components,
and general Garmin BlueNet network-building instructions, including best practices when building a Garmin
BlueNet network that includes devices using the legacy Garmin
®
Marine Network technology.
Garmin BlueNet is a standards-based network communications protocol acting as a successor to the current
Garmin Marine Network technology used for communication between Garmin marine devices.
Garmin BlueNet technology adds or improves on these networking features:
It utilizes standards-based network protocols.
It requires minimal or no configuration.
It supports a network connection speed up to 1 Gbps. This supports more video streams and better
resolutions, and allows for more-advanced sensors and devices.
It uses compact, water-resistant marine connectors.
It is compatible with third-party devices, such as IP cameras, without requiring a Garmin Marine Network PoE
isolation coupler.
It is compatible with legacy Garmin Marine Network devices when using a Garmin BlueNet 30 gateway.
Primary Differences Between the Garmin BlueNet Network and the Legacy Garmin Marine
Network
Although the legacy Garmin Marine Network is an Ethernet-based communication protocol, Garmin BlueNet
technology improves on it in many ways.
Cabling
Legacy Garmin Marine Network cables consist of 2 twisted pairs for data and 2 twisted pairs for power-on
functionality.
Garmin BlueNet network cables consist of 4 twisted pairs combined for data and for Wake on Lan (WoL)
power-on functionality.
Connectors
The legacy Garmin Marine Network uses standard RJ45 network connectors. Although they are an
industry standard, RJ45 connectors are not ideal for use in a marine environment and require large
water-resistant locking collars.
The Garmin BlueNet network uses compact connectors, similar in size to a NMEA 2000
®
connector,
designed for routing and maintaining connections in a marine environment.
GUID-C3D5DCE9-C0FF-4AC4-B759-D5B34E1EB78E v2
December 2023