Common Battery Telephone system is used for communicating with the wheel house, the engine control room, and the steering gear room in case of emergency and for communicating between the areas or rooms when necessary. It is manufactured to be a waterproof and dustproof system appropriate for the vessel and adopts the input power supply of 24V DC to deliver communications and signals (bell, lamp, etc.).
This system includes the following types: flush, wall, waterproof, portable, and intrinsically safe (used for normal condition or in the area with the possibility of explosive gas in case of accident) types, all of which can be interfaced to the Horn/Bell/Flashing Light, and the Foot Switch.
The system was tested at the IEC60945 standard and approved for CE.DNV.