Article · Wikipedia archive · Last revised Jun 28, 2026

Black Sea Fiber-Optic Cable System

The Black Sea Fiber-Optic Cable System (BSFOCS) is a 1,300 km (808 mi) submarine telecommunications cable system linking three countries bordering the Black Sea. It went into operation in September 2001, and has a total capacity of 20 Gbit/s along 2 fiber pairs.

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The Black Sea Fiber-Optic Cable System (BSFOCS) is a 1,300 km (808 mi) submarine telecommunications cable system linking three countries bordering the Black Sea.1 It went into operation in September 2001, and has a total capacity of 20 Gbit/s along 2 fiber pairs.1

It has landing points in:

  1. Varna, Bulgaria
  2. Odesa, Ukraine
  3. Novorossiysk, Russia
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