Maretron J2K100 User Manual
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J2K100
J1939 to NMEA 2000
Gateway
User’s Manual
Revision 1.0
Copyright © 2006 Maretron, LLC All Rights Reserved
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Maretron, LLC
9034 N. 23
Phoenix, AZ 85021-7850
http://www.maretron.com
Maretron Manual Part #: M001201
rd
Ave #13
Revision 1.0 Page i
J2K100 User’s Manual
Revision History
Revision Description
1.0 Original document
Page ii Revision 1.0
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Table of Contents
1 Introduction........................................................................................................................1
1.1 Firmware Revision.................................................................................................... 1
1.2 J2K100 Features...................................................................................................... 1
1.3 Quick Install.............................................................................................................. 1
2 Installation..........................................................................................................................2
2.1 Unpacking the Box ................................................................................................... 2
2.2 Choosing a Mounting Location................................................................................. 2
2.3 Mounting the J2K100................................................................................................ 3
2.4 Connecting the J2K100............................................................................................ 4
2.4.1 Connecting the J2K100 NMEA 2000® Interface............................................. 4
2.4.2 Connecting the J2K100 J1939 Interface........................................................ 5
2.4.3 Checking Connections................................................................................... 5
2.5 Configuring the J2K100............................................................................................ 5
2.5.1 J1939 Source Address Selection................................................................... 6
2.5.2 NMEA 2000® Engine Instance Selection ....................................................... 6
2.5.3 NMEA 2000® Transmission Instance Selection............................................. 6
2.5.4 J1939 Diagnostic Messages Enable/Disable................................................. 6
2.5.5 NMEA 2000® PGN Enable/Disable................................................................ 6
3 Maintenance ......................................................................................................................7
4 Troubleshooting.................................................................................................................8
5 Technical Specifications.....................................................................................................8
6 Technical Support............................................................................................................10
7 Installation Template........................................................................................................11
8 Maretron (2 Year) Limited Warranty.................................................................................12
Table of Figures
Figure 1 – Mounting the J2K100................................................................................................ 3
Figure 3 – J2K100 Electrical Connections................................................................................. 4
Figure 4 – NMEA 2000® Connector Face Views ....................................................................... 5
Figure 6 – Mounting Surface Template ................................................................................... 11
Table of Appendices
Appendix A – NMEA 2000
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Interfacing Translations............................................................... A1
J2K100 User’s Manual
This Page Intentionally Left Blank
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1 Introduction
Congratulations on your purchase of the Maretron J1939 to NMEA 2000® Gateway (J2K100).
Maretron has designed and built your gateway to the highest standards for years of
dependable and accurate service.
Maretron’s J2K100 is a gateway for bridging J1939-equipped engines and gensets with an
NMEA 2000® network. The gateway automatically converts incoming J1939 messages to
NMEA 2000® messages so you can monitor your J1939-equipped engines, transmissions, or
gensets with networked NMEA 2000® displays such as the Maretron DSM200.
The Maretron J2K100 is designed to operate within the harsh demands of the marine
environment. However, no piece of marine electronic equipment can function properly unless
installed, configured, and maintained in the correct manner. Please read carefully and follow
these instructions for installation, configuration, and usage of the Maretron J2K100 in order to
ensure optimal performance.
1.1 Firmware Revision
This manual corresponds to J2K100 firmware revision 1.0.
1.2 J2K100 Features
The Maretron J2K100 has the following features.
• NMEA 2000® and J1939 Interfaces
• Waterproof Connectors
• Sealed Waterproof Enclosure
• Translates J1939 Engine and Transmission Messages to Equivalent NMEA 2000®
Messages
• Capable of Passing J1939 Diagnostic Messages
• Passes J1939 AC Generator Parameters through to the NMEA 2000
• J1939 Interface is Opto-Isolated from NMEA 2000
• Obtains Power from NMEA 2000
J1939 interface).
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Port (No power drawn from or data transmitted on
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Eliminating Potential Ground Loops
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network
1.3 Quick Install
Installing the Maretron J2K100 gateway involves the following five steps. Please refer to the
individual sections for additional details.
1. Unpack the Box (Section 2.1)
2. Choose a Mounting Location (Section 2.2)
3. Mount the J2K100 (Section 2.3)
4. Connect the J2K100 (Section 2.4)
5. Configure the J2K100 - Optional, only required for specialized configurations (Section 2.5)
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J2K100 User’s Manual
2 Installation
2.1 Unpacking the Box
When unpacking the box containing the Maretron J2K100, you should find the following items:
1 – J2K100 - J1939 to NMEA 2000® Gateway
4 – Mounting Screws
1 – Female Micro Field-Attachable Connector (For connecting J1939 interface)
1 – J2K100 User’s Manual
1 – Warranty Registration Card
If any of these items are missing or damaged, please contact Maretron.
2.2 Choosing a Mounting Location
The J2K100 is mounted between the J1939 network and the NMEA 2000® network. Please
consider the following when choosing a mounting location.
1. The J2K100 is waterproof, so it can be mounted in a damp or dry location.
2. The orientation is not important, so the J2K100 c an be mounted on a horizontal deck,
vertical bulkhead, or even upside down if desired.
3. The J2K100 is temperature rated to 55°C (130°F), so it should be mounted away from
engines or engine rooms where the operating temperature exceeds the specified limit.
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