Africa Coast to Europe (cable system)

Africa Coast to Europe (ACE) is an optical-fiber submarine cable system serving 24 countries on the Europe , west coast and south Africa, managed by a consortium of 20 members.

ACE - Africa Coast to Europe
Cable typeSubmarine communications cable
First trafficDecember 15, 2012 (December 15, 2012)
Design capacity20 Tbit/s
Area servedWest African coast
Websitewww.ace-submarinecable.com

The ACE cable connects more than 450 million people, either directly for coastal countries or through land links for landlocked countries such as Mali and Niger. ACE is also the first international submarine cable to land in Equatorial Guinea, Gambia, Guinea, Liberia, Mauritania, São Tomé and Príncipe and Sierra Leone.

Agreements are being put in place to allow the arrival of other operators in countries along the ACE cable route. Guinea-Bissau is the next country to be connected to the submarine cable.

ACE Consortium consists of telecommunications operators and member countries that have invested in the total 700 million dollars project, sometimes with the financial support of the World Bank. The consortium agreement was signed on 5 June 2010 and on 15 December 2012, this 17,000 km-long cable was put into service for the first time. The official inauguration ceremony was held in Banjul, Gambia, on 19 December 2012.

The 4 to 5 cms diameter cable runs at around 6,000m below the sea level. The maximum capacity of the entire system is increased from 12.8 Tbps in the design to 20 Tbps.

It has been manufactured by Alcatel Submarine Networks (ASN) and laid by ships from ASN and Orange Marine.

ACE consortium
Africa Coast to Europe Map 2021

The cable cost consortium members $700 million:

Landing points
GUILAB landing station
Africa Coast to Europe landing station in Duynefontein
Africa Coast to Europe landing station in Duynefontein

Segment 1

Segment 2

Segment 3


Segment 4 (The last segment is in service - 1 June 2021[1])

Technical features

This 17 000-kilometers long cable is the only one connecting 24 west African and European countries. The ACE consortium members are organized according to a global access concept: multiple investors in one landing station. ACE marine routes have a low history of fault and a time-proof technology. The cable is able to adopt newer transponder technology.

Technical features are as below :

  • PoP-to-PoP connection providing access to major cities in Europe and Africa (Paris, Lisbon, Cape Town)
  • 100G technology proof
  • Design capacity increased = 20 terabytes per second
  • Lit capacity = 1.6 terabytes per second
  • Initial capacity 200 Gbit/s on segment 1, 160 Gbit/s on segments 2 and 3
  • Longest DLS = 4400 kilometres (Penmarch - Dakar)
  • Low latency (express and omnibus fibres)
  • Uses wavelength division multiplexing (the most advanced for submarine cables)

Cable systems

Individual cable systems off the west coast of Africa include:

See also

References
  1. "Submarine cable last segment ready". ACE Submarine Cable. 2021-06-01. Archived from the original on 2021-06-03. Retrieved 2020-06-01.

ACE-Africa Coast to Europe website

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