Description
Actisense NMEA2000 Smart Terminator | Boat Supply Store
Proper NMEA 2000 network termination is critical for reliable data communication on any vessel, preventing signal reflection and ensuring data integrity. The Actisense A2K-TER-U provides this essential function with an integrated smart diagnostic system, featuring a 120 Ohm 1% resistance and a 4A rated current to handle typical network loads. This unit actively monitors bus voltage, providing immediate visual feedback via LED indicators, a vital tool for troubleshooting on everything from center consoles to offshore sportfishing rigs.
Key Features
- Diagnose bus health with integrated smart LED indicators.
- Terminate NMEA 2000 networks with universal male, female, or feed-through configuration.
- Monitor bus voltage in real-time with a high-accuracy circuit.
- Protect against ingress with IP67 rating when mated.
- Simplify troubleshooting with instant LED feedback on bus status.
- Ensure network stability with a precise 120 Ohm 1% termination resistance.
- Verify network polarity and voltage at a glance.
- Comply with NMEA 2000 standards for robust marine electronics communication.
Specifications
| Product Specifications | |
|---|---|
| Resistance | 120 Ohm 1% |
| Rated Current | 4A |
| Rated Voltage | 36VDC |
| Voltage Monitoring Threshold | > 9.05V (Green), < 9.05V (Red) |
| Connector Type | M12 'A'-polarization Universal (Male/Female/Feed-through) |
| IP Rating (mated) | IP67 |
| Operating Temperature | -20C to +70C |
| Flammability Rating | UL94 V0 |
Who This Is For
Marine electronics installers and technicians requiring robust NMEA 2000 network termination with integrated diagnostic capabilities. Boat owners seeking to simplify troubleshooting and ensure the optimal performance of their vessel's data network.
How It Compares
| Feature | Actisense NMEA2000 Smart Terminator | Competitor |
|---|---|---|
| Smart Diagnostic LEDs | Yes (Green/Red) | No |
| Universal Connector Type | Yes (Male/Female/Feed-through) | No |
| Voltage Monitoring | Yes (Continuous with LED indication) | No |
| Terminator Resistance | 120 Ohm 1% | 120 Ohm |
| IP Rating (when mated) | IP67 | null |
Common Concerns Answered
Why is the Actisense A2K-TER-U more expensive than basic terminators?
The premium price reflects its advanced 'smart' functionality, including integrated LED voltage monitoring and polarity diagnostics, which significantly reduces troubleshooting time and complexity compared to standard passive terminators.
What is the advantage of the smart diagnostic LEDs?
The green and red LEDs provide instant visual feedback on the NMEA 2000 bus voltage. A steady green light indicates proper voltage (> 9.05V with 1% tolerance), while a red light signals a voltage issue, allowing for quick identification of power problems without specialized equipment.
I'm concerned about the complexity of interpreting the LED feedback.
While the LEDs provide diagnostic information, the basic interpretation is straightforward: green is good, red indicates a problem with bus voltage. The manual provides detailed guidance for advanced troubleshooting, making it accessible for most users.
Frequently Asked Questions
What is the purpose of an NMEA2000 terminator?
An NMEA2000 terminator is installed at each end of the backbone cable to absorb signal energy, preventing reflections that can corrupt data and cause network instability. This ensures clear and reliable communication between connected devices.
How does the Actisense NMEA2000 Smart Universal Micro Terminator diagnose power issues?
It incorporates an active monitoring circuit that continuously checks the NMEA 2000 bus voltage. The integrated LEDs provide immediate visual feedback, turning red if the voltage drops below the required threshold, simplifying the diagnosis of power-related network problems.
Can this terminator be used as both a male and female connector?
Yes, the Actisense A2K-TER-U is a universal terminator designed to function as a male connector, a female connector, or a feed-through connector, offering maximum flexibility in network configuration.
What do the green and red LEDs on the Actisense A2K-TER-U indicate?
A steady green LED signifies that the NMEA 2000 bus voltage is within the acceptable operating range (above 9.05V with 1% tolerance). A red LED indicates that the bus voltage is below this threshold, signaling a potential power issue on the network.
Is this terminator waterproof?
When properly mated with an NMEA 2000 connector, the Actisense A2K-TER-U achieves an IP67 rating, providing significant protection against dust and immersion in water up to 1 meter for 30 minutes, suitable for harsh marine environments.
