The Asia Pacific Cable Network

Gunderson, D.R.; Lecroart, A.; Tatekura, K.

doi:10.1109/35.481243

Cited by 8 publications

(1 citation statement)

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“…This method is less feasible as all the interrupters are employed at 10-kV dc. In the telecom industry, power order controlled method is used to switch BUs/Spur cables underwater such as with the transatlantic cable #8 (TAT 8) in which a branching repeater connected a cable from the United States with two branches going to the United Kingdom and France [23]. In this case, the BU was a modified repeater with high voltage vacuum switching elements integrated and the breakers operated appropriately in a logic sequence controlled by the order in which the branch legs were powered.…”

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confidence: 99%

Actively Controllable Switching for Tree Topology Seafloor Observation Networks

Chen

Howe

Yang

2015

IEEE J. Oceanic Eng.

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Cabled ocean observatory systems that provide abundant power and broad bandwidth communication enabling undersea science have been evolving during the last decade. To establish such permanent infrastructure in the ocean, the technology of cable network switching and fault isolation with very high reliability is essential. In this paper, we review existing switching methods as applied to a constant voltage tree topology network. We propose an actively controllable method that can configure each branch of the network only by changing the feeding current; the current level implicitly conveys the switching information. A laboratory prototype demonstrated the features of backbone switching with zero current and low voltage (less than 20 V), and active controllability of the switch.

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confidence: 99%