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"Optimizing Subsea Cable Uptime with Coherent OTDR Technology"

Anritsu delivers precision test and measurement solutions that ensure the performance, reliability, and uptime of the world’s subsea optical networks.

Global dependence on submarine optical networks—carrying over 99% of intercontinental data—demands continuous, accurate monitoring to prevent costly outages. Harsh marine conditions, complex cable systems, and increasing data demands heighten the need for advanced diagnostic tools. Coherent Optical Time-Domain Reflectometer (C-OTDR) technology, such as the Anritsu MW90010B, enables long-range, high-resolution fault detection without disrupting live traffic. By using coherent detection, it identifies amplifier failures and fiber impairments with exceptional sensitivity across distances up to 20,000 km. Supporting full C-band and DWDM systems and integrated with Ciena’s PinPoint and Navigator NCS, it enables real-time, in-service monitoring from subsea repeaters to data centers. This approach reduces mean time to restore (MTTR), limits expensive repair operations, and strengthens overall network reliability. C-OTDR technology is therefore essential for maximizing uptime and performance in the world’s critical undersea communication infrastructure.

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