Deep-tech fibre sensing company FiberSense and infrastructure owner Southern Cross Cable Network expand the monitoring capability of FiberSense’s DigitalAsset Marine.

The expansion follows Southern Cross Cable Network’s (SX) activation of its Next submarine cable connecting Australia, New Zealand, the US, and Pacific Islands.

The Next submarine cable uses DigitalAsset Marine coverage on the shore-end network all the way from the cable landing station to the first repeater.

“Since trialling the monitoring service back in 2019, we’ve been very impressed with the outcomes that the technology the FiberSense team delivers. They’ve added significant detection capabilities, deterrence benefits, and maintenance reductions, especially in the heavily trafficked zones where cables typically land,” said Southern Cross director networks and vice president operations Dean Veverka.

“A further compelling benefit is that we don’t need to reserve a separate fibre path for the monitoring as the DigitalAsset Marine technology operates over an ‘in-use’ fibre pair allowing us to utilise the full potential of the submarine cable for clients. The rest of the submarine sector looks closely at innovations that the Pacific based cable operators are adopting.”

“We are now monitoring over 450km of combined terrestrial and marine segments for SX in the Pacific region. We are grateful for the trust and confidence that they have shown in our ‘market making’ services. Our growing customer base reflects the fact that DigitalAsset Marine is a game changer in meeting the challenges operators face to improve subsea cable resilience and related maintenance demands,” said FiberSense founder and CEO Mark Englund.

“Even when the marine cables are buried and out of sight, our technology reveals the location and nature of potentially damaging events from anchor drag, fishing net entanglement, rock fall and unauthorised tampering. Being able to “see” for the first time these types of events in real-time along the cable allows the cable operator to action mitigation strategies as well as attribution exactly when and where the risk is detected.”

FiberSense can identify and pinpoint threats across the cable front haul section and in real-time. This enables a variety of response mechanisms from Automatic Identification System (AIS) messaging to coast guard intervention, and ship to shore radio.

Once activated, the FiberSense DigitalAsset Marine system detects and locates a vessel. An alarm is posted in real-time if any anchoring event or other aggression event is detected and several mitigation strategies are employed in order to avert a break.

In tandem with AIS integration, FiberSense can aid in assigning culpability, the benefit being that FiberSense still works even if AIS is deactivated.

FiberSense has developed a capability to detect when a section of cable is uncovered on the ocean floor or is suspended above the ocean floor and is strumming, in real-time by location to meter accuracy.

An exposure or strumming event makes the cable much more vulnerable to external damage or a cable fault.

In addition to protecting submarine telecommunications and power cable infrastructure, FiberSense can detect and classify earthquake and tsunami events.

This first appeared in the subscription newsletter CommsWire on 9 September 2022.

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