Subsea distribution unit

Centralise signals from numerous sources

For several decades, Proserv has been providing subsea distribution systems to clients globally for effective communications between subsea controls systems and topside.

Our technology solution, which is based on field-proven technology, includes subsea termination heads, fiber optical, electrical distribution and hydraulic systems for safe and reliable subsea power and signal distribution.

We provide clients with a fully integrated service for the design and manufacture of subsea structures such as subsea distribution units (SDUs), subsea umbilical termination units (SUTUs) and Umbilical Termination Assemblies (UTAs).


Proserv’s umbilical termination assembly units (UTAs) are designed to centralise all control and data signals for subsea application in a compact standalone module. Proserv UTA technology is aimed at the subsea market, and our core models include:


– Topside Umbilical Termination Assemblies (TUTA)
– Subsea Umbilical Termination Assemblies (SUTA)


Proserv’s termination units enable clients to centralise signal from many cross party products, allowing clients to bring a variety of signal types together in a single unit. Due to the nature and range of signal types utilised within the subsea industry, Proserv offers a wide range of input options:

Hydraulic interface
Electrical power transfer
Chemical injection
Electronic signal data (control logic)
Electronic data transfer (data acquisition (DAQ)/ESD)
Fibre optic signal data (control logic)
Fibre optic data transfer (DAQ/ESD)

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Subsea Control Systems

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