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

• https://web.archive.org/web/20070930122255/http://foptnet.ge/map2eng.htm Map of the cable system (3 Systems BSFOCS, KAFOS, & ITUR)
• "www.bsfocs.com/connectivity.php". Archived from the original on 28 February 2006. Retrieved February 11, 2006.
• "www.bsfocs.com/cable-description-specification.php". Archived from the original on 28 February 2006. Retrieved February 11, 2006.
• "Cytaglobal". Archived from the original on April 8, 2007. Retrieved April 13, 2007.