The Tron AIS TR-8000 MkII Class A is a complete and advanced Automatic Identification System (AIS) solution, designed to meet the stringent requirements for Class A certified equipment on vessels. This comprehensive package includes the main transponder unit and a dedicated GPS antenna, forming a robust system for enhancing navigational safety and situational awareness. The TR-8000 MkII transmits vital vessel information (such as position, course, speed, and identification) to other AIS-equipped vessels and shore stations, while simultaneously receiving similar data from them. Its Class A certification signifies its high performance, reliability, and full compliance with international maritime regulations for larger commercial vessels. The inclusion of the GPS antenna ensures accurate and continuous positioning data, critical for the precise transmission and reception of AIS information, thereby contributing significantly to collision avoidance and efficient traffic management at sea.
Technical Specification
1. General & Compliance:
- AIS Class: Class A (meeting IMO requirements)
- Standards Compliance:
- IMO MSC.74(69) Annex 3
- IMO Resolution A.694(17)
- IMO Resolution MSC.163(78)
- ITU-R M.1371-5 (Technical characteristics for a universal shipborne AIS)
- IEC 61993-2 (AIS Class A Shipborne equipment – Operational and performance requirements)
- IEC 61162 series (Maritime navigation and radiocommunication equipment and systems – Digital interfaces)
- IEC 60945 (Environmental and EMC requirements)
- Operating Modes: Autonomous and Continuous, Assigned, Polled.
2. Transceiver (Transponder Unit):
- Frequency Range:
- AIS 1: 161.975 MHz
- AIS 2: 162.025 MHz
- DSC (Digital Selective Calling): 156.525 MHz
- Output Power:
- AIS: 12.5 W (High) / 1 W (Low)
- DSC: 1 W
- Channel Bandwidth: 25 kHz
- Modulation: GMSK (Gaussian Minimum Shift Keying) for AIS, FSK for DSC
- Receiver Sensitivity: -107 dBm or better
- Antenna Impedance: 50 Ohms
3. GPS Receiver (Internal, with external antenna):
- Channels: Typically 12-channel or more, parallel tracking.
- Position Accuracy: 2.5 meters (CEP) for GPS, or better with SBAS/DGNSS if supported by the antenna.
- Data Output: Standard NMEA 0183 (for internal use by AIS).
- Update Rate: 1 Hz (1 position update per second).
4. Data Interfaces (Connectivity):
- NMEA 0183: Multiple ports (e.g., 3 high-speed inputs/outputs, 1 low-speed input/output) for connection to ECDIS, radar, gyrocompass, log, GPS, etc.
- NMEA 2000 (IEC 61162-3): Often included for modern networked systems.
- IEC 61162-1/2: For other serial data communication.
- USB: For PC connection (service, configuration).
- Ethernet (IEC 61162-450): Increasingly common for integrated bridge systems.
5. Power Supply:
- Input Voltage: 12-24 VDC (nominal, with a wide operating range, e.g., 9.6 VDC to 31.2 VDC).
- Power Consumption: Typically less than 50W (peak transmit) / 15W (receive/standby).
6. Environmental & Physical:
- Operating Temperature: -15°C to +55°C (for indoor units), -25°C to +55°C (for antenna and outdoor units)
- Waterproof Rating (Transponder Unit): IPX0 (usually installed in a protected bridge area). Display unit often IPX5.
- Dimensions & Weight: Varies by specific model/housing, but designed for compact bridge installation.
- Display Unit (if included in the “complete” package and not just transponder):
- Screen: Typically a color LCD (e.g., 5.7″ or 7″ depending on exact model variant).
- Features: AIS target list, radar overlay, target filtering, alarm management.
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