The Thrane & Thrane 0108050210 is the Below Deck Unit (BDU) connector interface for the SAILOR 77 Fleet+ maritime satellite communication system. This unit serves as the central hub for all vessel communications, providing the physical connections needed to integrate the satellite terminal with onboard phones, fax machines, computers, and navigation equipment . The model number TT-3084A is commonly associated with this SAILOR Fleet77 Electronics Unit (BDU) .
As the central connection point, the BDU connector interface is designed for reliable performance, making it suitable for installation on a wide range of vessels, including merchant ships, government vessels, large fishing boats, and luxury yachts . It provides global Inmarsat satellite communication coverage, from 78° North to 78° South latitude .
Key Hardware Interfaces
The rear panel of this BDU connector interface is equipped with a comprehensive set of ports to support various communication needs .
| Interface Type | Details and Purpose |
|---|---|
| Analogue Ports | 4x RJ-11 connectors for standard analogue telephones and fax machines. |
| Digital Ports (ISDN) | 4x RJ-45 connectors for high-quality voice and data services. |
| Data Ports | 2x D-sub 9-pin (RS-232) serial ports for data transfer at up to 115 kbps, plus an RS-422 port and a USB port for PC connection. |
| Network/Data | Ethernet port (RJ-45) for connecting to shipboard computer networks . |
| Navigation Input | NMEA 0183 input port for interfacing with external GPS receivers (e.g., for backup positioning) . |
| Antenna/Power | 1x 50 Ohm N-type (female) connector for the antenna; AC power input (110-240 VAC) and DC power input (20-32 VDC) for flexible vessel power integration. |
| Additional I/O | Ports for a distress alarm unit, handset connection, external ringer, and radio suppression |







































