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Revision 1.0 Page 1
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
®
network
• J1939 Interface is Opto-Isolated from NMEA 2000
®
Eliminating Potential Ground Loops
• Obtains Power from NMEA 2000
®
Port (No power drawn from or data transmitted on
J1939 interface).
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)