Abstract: A subsea data switch is provided. The subsea data switch includes a subsea housing, a data switching unit disposed in the subsea housing, and at least three termination assemblies for terminating at least three subsea cables) to the subsea data switch. In an embodiment, each subsea cable includes a data line, the data lines of the at least three subsea cables being connected to the data switching unit. The data switching unit is configured to provide data switching between the at least three connected data lines.

Abstract: In an embodiment, a subsea fiber optical termination module for deployment in a subsea environment, includes at least one fiber optical termination unit for terminating a fiber optical cable, the fiber optical cable including a plurality of optical fibers. Further, the subsea fiber optical termination module includes one or more optical connectors and at least one connecting tube, each connecting tube containing one or more of the plurality of optical fibers and connecting one or more of the plurality of optical fibers from the high-pressure section to the at least one optical connector. The subsea fiber optical termination module includes a support structure including at least one recess and at least one support element, the at least one recess accommodating the at least one optical connector and the at least one support element being configured to connect the at least one fiber optical termination unit to the support structure.

Abstract: A subsea splice termination unit for terminating and splicing two fiber optic cables, in particular of an umbilical, is provided. The subsea splice termination unit is configured for deployment in an underwater environment. The subsea splice termination unit includes a subsea enclosure, a first termination assembly for terminating a first fiber optic cable at the subsea splice termination unit, a second termination assembly for terminating a second fiber optic cable at the subsea splice termination unit, a chamber inside the subsea enclosure, a first penetrator leading at least a first optical fiber of the first fiber optic cable into the chamber, and a second penetrator leading at least a second optical fiber of the second fiber optic cable into the chamber. A splice between the first optical fiber and the second optical fiber is arranged in the chamber.

Abstract: A subsea splice termination unit for terminating and splicing two fiber optic cables, in particular of an umbilical, is provided. The subsea splice termination unit is configured for deployment in an underwater environment. The subsea splice termination unit includes a subsea enclosure, a first termination assembly for terminating a first fiber optic cable at the subsea splice termination unit, a second termination assembly for terminating a second fiber optic cable at the subsea splice termination unit, a chamber inside the subsea enclosure, a first penetrator leading at least a first optical fiber of the first fiber optic cable into the chamber, and a second penetrator leading at least a second optical fiber of the second fiber optic cable into the chamber. A splice between the first optical fiber and the second optical fiber is arranged in the chamber.

Abstract: A subsea data switch is provided. The subsea data switch includes a subsea housing, a data switching unit disposed in the subsea housing, and at least three termination assemblies for terminating at least three subsea cables) to the subsea data switch. In an embodiment, each subsea cable includes a data line, the data lines of the at least three subsea cables being connected to the data switching unit. The data switching unit is configured to provide data switching between the at least three connected data lines.

Abstract: In an embodiment, a subsea fiber optical termination module for deployment in a subsea environment, includes at least one fiber optical termination unit for terminating a fiber optical cable, the fiber optical cable including a plurality of optical fibers. Further, the subsea fiber optical termination module includes one or more optical connectors and at least one connecting tube, each connecting tube containing one or more of the plurality of optical fibers and connecting one or more of the plurality of optical fibers from the high-pressure section to the at least one optical connector. The subsea fiber optical termination module includes a support structure including at least one recess and at least one support element, the at least one recess accommodating the at least one optical connector and the at least one support element being configured to connect the at least one fiber optical termination unit to the support structure.

Abstract: A subsea data transmission cable for providing data communication with a subsea device installed at the ocean floor is provided. The subsea data transmission cable includes a first section including at least one electrical data line and a second section including at least one fiber optic data line. An intermediate conversion assembly is provided. The at least one electrical data line and the at least one fiber optic data line are terminated at the intermediate conversion assembly. A conversion device is disposed in a chamber of the intermediate conversion assembly. The conversion device includes an electrical interface connected to the at least one electrical data line and an optical interface connected to the at least one fiber optic data line. The conversion device is configured to convert an electrical data signal received at the electrical interface to an optical data signal for transmission via the optical interface and vice versa.

Abstract: A subsea data transmission cable for providing data communication with a subsea device installed at the ocean floor is provided. The subsea data transmission cable includes a first section including at least one electrical data line and a second section including at least one fiber optic data line. An intermediate conversion assembly is provided. The at least one electrical data line and the at least one fiber optic data line are terminated at the intermediate conversion assembly. A conversion device is disposed in a chamber of the intermediate conversion assembly. The conversion device includes an electrical interface connected to the at least one electrical data line and an optical interface connected to the at least one fiber optic data line. The conversion device is configured to convert an electrical data signal received at the electrical interface to an optical data signal for transmission via the optical interface and vice versa.

Abstract: A subsea cable termination assembly for a subsea cable that includes an optical fiber for data transmission is provided. The subsea cable termination assembly includes a chamber that has a liquid tight seal against an ambient medium surrounding the subsea cable termination assembly, and a media converter arranged in the chamber. The media converter includes an optical interface adapted to be connected to an optical fiber of the subsea cable, and an electrical interface. The subsea cable termination assembly also includes an electric contact arranged outside the chamber and electrically connected to the electrical interface of the media converter arranged inside the chamber.

Abstract: A subsea cable termination assembly for a subsea cable that includes an optical fiber for data transmission is provided. The subsea cable termination assembly includes a chamber that has a liquid tight seal against an ambient medium surrounding the subsea cable termination assembly, and a media converter arranged in the chamber. The media converter includes an optical interface adapted to be connected to an optical fiber of the subsea cable, and an electrical interface. The subsea cable termination assembly also includes an electric contact arranged outside the chamber and electrically connected to the electrical interface of the media converter arranged inside the chamber.

Abstract: The present invention relates to a subsea fibre-optic penetrator comprising a plurality of through-going optical fibres (1) and a metallic main body (3) with at least one through bore (31). According to the invention the optical fibres (1) are affixed in the main body (3) by cast glass material (2). The invention also relates to a method for providing a subsea penetrator with a plurality of through-going fibres.

Abstract: The present invention relates to a subsea fibre-optic penetrator comprising a plurality of through-going optical fibres (1) and a metallic main body (3) with at least one through bore (31). According to the invention the optical fibres (1) are affixed in the main body (3) by cast glass material (2). The invention also relates to a method for providing a subsea penetrator with a plurality of through-going fibres.