®

Figure 3 – NMEA 2000® Connector Face Views

2.4.2 Connecting the J2K100 J1939 Interface

Vertical text on the J2K100 label identifies the J1939 connector. With the label right side up, the J1939 connector can be found on the left side of the enclosure. In order to make the J1939 connection, you will need to locate the supplied female field attachable connector. This connector is fitted to one end of a 3-conductor cable (not supplied). Make the connections between the 3-conductor cable and the field attachable connector by following the instruction contained within the bag. Although the field attachable connector has 5 terminals, you only need to connect the CAN bus signals and ground signal (NET-H white terminal, NET-L blue terminal, and ground or NET-C black terminal). The other end of the 3-conductor cable needs to be tied into the J1939 network. You will need to identify the CAN bus signals on the J1939 network by reviewing the manufacturer’s documentation. Most likely, they will identify the CAN bus signals as CAN-H and CAN-L which corresponds to the field attachable terminals NET-H and NET-L respectively. You will also need to connect the NET-C or ground signal found within the field attachable connector to the J1939 ground connection.

2.4.3 Checking Connections

Once the NMEA 2000® and J1939 connections to the J2K100 have been completed, check to see that information is being properly transmitted by observing an appropriate NMEA 2000® display. If you don’t see engine and/or generator data, refer to Section 4, “Troubleshooting”.

2.5 Configuring the J2K100

As shipped from the factory, the J2K100 does not require any special configuration and will work for most applications. However, there are several configurable items within the J2K100, including: 1) J1939 source address selection, 2) NMEA 2000® engine instance selection, 3) NMEA 2000® transmission instance selection, 4) J1939 diagnostic messages enable/disable, and 4) NMEA 2000® PGN enable/disable.

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Maretron user manual Configuring the J2K100, Connecting the J2K100 J1939 Interface, Checking Connections
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J2K100 specifications

The Maretron J2K100 is a sophisticated data converter designed to enhance the connectivity and integration of marine electronics. As part of Maretron's comprehensive suite of products aimed at modernizing vessel monitoring and control systems, the J2K100 serves as a crucial link between NMEA 2000 networks and other systems.

One of the standout features of the Maretron J2K100 is its ability to convert NMEA 2000 data into NMEA 0183 data. This compatibility is essential for boaters who want to connect legacy devices that only support the older NMEA 0183 protocol. By providing this conversion capability, the J2K100 ensures that users can seamlessly integrate new technologies with existing equipment, thereby enhancing the overall functionality of their marine electronics.

The J2K100 boasts advanced technology that allows for high-speed data transfer and reliable communication. Supporting up to 115,200 baud rate, the J2K100 can handle substantial amounts of data, making it suitable for applications that require fast and efficient communication between devices. This high-performance capability is particularly beneficial in dynamic environments like marine applications, where conditions can change rapidly.

Another important characteristic of the Maretron J2K100 is its user-friendly design. The device features status LEDs that provide real-time feedback regarding its operation, making it easier for users to monitor performance and troubleshoot any potential issues. The straightforward installation process further enhances the user experience, with clear instructions and the necessary connection points designed for simple setup.

The J2K100 is also designed with durability in mind, conforming to the tough standards required in marine environments. Its robust housing protects internal components from moisture, corrosion, and physical impacts, ensuring longevity and reliability, even in harsh conditions.

Furthermore, Maretron prioritizes compatibility, and the J2K100 is no exception. It supports various NMEA 2000 messages, which allows for integration with a wide range of marine electronic devices, from GPS units to autopilots and beyond. This versatility positions the J2K100 as an essential component for boaters looking to create a cohesive and efficient onboard network.

In sum, the Maretron J2K100 is a powerful tool for enhancing marine electronics networks. Its ability to convert data formats, coupled with high-speed capabilities, durability, and user-friendly features, makes it a valuable addition to any vessel looking to maximize its technological potential and ensure reliable maritime communication.
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