Abstract

World events have increased the demand for secure high-band-width under water fiber optic communications, and at the same time the telecommunications service providers are struggling with containing the expense of maintenance and protection. As a result of the extended use of sub-sea industries, the number of sub-sea optic services installed continues to increase, and the potential for external attacks on these cables also increases. This article addresses the evolution of a specially designed sub-sea remotely operated vehicle (ROV) with a dedicated electromagnetic flux leakage searching arm as part of an associated maintenance arrangement. Current research achievements can apply expert system techniques to the diagnostic system of sub-sea fiber optic cables. These are based on the concept of Ampere’s law, and a method of measuring circulating currents without any physical destruction by testing the suspect section, which is already subject to alternating current flow with selected frequencies.

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