"> Furuno FELCOM251
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Furuno

FELCOM251

Furuno FELCOM251 is listed in this library as a marine communications and safety radio unit in the GMDSS / Inmarsat Fleet Broadband category. Equipment of this class is typically installed on the bridge, in the radio/GMDSS console, or at an associated antenna and transceiver location. Its shipboard purpose is to support ship-to-ship, ship-to-shore, distress, safety, navigational, or operational communications according to its configured function. The exact piping, electrical, control, foundation, and accessory arrangement depends on the vessel and the supplied configuration. No additional verified rating, capacity, weight, dimension, or operating limit is provided in the source entry. Where adjacent models in the same product family differ in rating, size, materials, control options, certification, or accessories, refer to the manufacturer documentation for the exact model-specific differences.

Components & Design

Component data being added…

Technical Data

Service Inmarsat FleetBroadband (FB 250)
IP Data Rate Up to 284 kbps
Antenna Diameter 60 cm
Concurrent Voice Yes (1 line)
Model Name FELCOM251 FELCOM501
Antenna Unit FB-1251 FB-1501
Communication Unit FB-2001
IP Handset FB-8001
Option Incoming Bell FB-3001
Incoming Bell FB-3001
Alarm Panel FB-3101
Telport Extender FB-3002
USB-RS-232C Converter FB-3003
AC/DC Power Supply Unit 406080A-FUR-001
Transmitting Frequency 1626.5 - 1660.5 MHz、1668.0 - 1675.0 MHz
Receiving Frequency 1518.0 - 1559.0 MHz
LAN 4 ports, ethernet 100Base-TX, RJ-45 (PoE)
Analog Telephone/Telefax 2 ports (4 ports with optional adapter)
USB 1 port, USB2.0 (RS-232C conversion with optional adapter)
Alarm output 1 port, contact closure (normal close), External relay
Sim card 1 Slot
Voice 4 kbps AMBE+2 or ISDN 3.1 kHz audio
Data ISDN(UDI/RDI) -
Standard IP(Best effort) MAX 284 kbps MAX 432 kbps
Streaming IP(Guaranteed rates) 32、64、128 kbps 32、64、128、256 kbps
Short message Up to 1120 characters
Facsimile Group 3 Facsimile via 3.1 kHz audio

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Common failures & inspection points

Loss of supply power from a tripped breaker, failed power unit, loose connection, or depleted reserve battery causes a dead unit, rebooting, or failure to transmit
Antenna, feeder, connector, or matching fault caused by corrosion, water ingress, or physical damage results in poor range, failed transmission, or weak received signals
Control-panel, display, keypad, or software faults can prevent channel selection, message handling, or normal operator input
Interface or position-data failure caused by wiring, configuration, or sensor faults can remove position information or connected-system data
Internal transmitter, receiver, or modem faults caused by component ageing or overheating can produce intermittent communication, alarms, or inability to establish a link

Service & Maintenance

Verify primary and reserve power, antenna and feeder condition, distress and safety functions permitted for routine testing, interfaces, audio quality, time and position inputs, and logged self-test results. Any regulatory test or adjustment must follow the vessel's radio procedures and manufacturer documentation.

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Replacement Parts

Carry the model-specific fuses, approved power-supply items, handset or microphone accessories, connector and sealing items, and critical interface or antenna components recommended by the manufacturer and vessel radio-maintenance plan.
Equipment Model #154516 · ✓ still in production