APCN 2 or Asia-Pacific Cable Network 2 is a

submarine telecommunications cable A submarine communications cable is a cable laid on the sea bed between land-based stations to carry telecommunication signals across stretches of ocean and sea. The first submarine communications cables laid beginning in the 1850s carried te ...

linking several countries in the Asia-Pacific region. It has landing points in: * Chongming,

Shanghai Shanghai (; , , Standard Mandarin pronunciation: ) is one of the four direct-administered municipalities of the People's Republic of China (PRC). The city is located on the southern estuary of the Yangtze River, with the Huangpu River flowin ...

, China *

Shantou Shantou, Chinese postal romanization, alternately romanization of Chinese, romanized as Swatow and sometimes known as Santow, is a prefecture-level city on the eastern coast of Guangdong, China, with a total population of 5,502,031 as of the 2 ...

Guangdong Province Guangdong (, ), alternatively romanized as Canton or Kwangtung, is a coastal province in South China on the north shore of the South China Sea. The capital of the province is Guangzhou. With a population of 126.01 million (as of 2020 ...

, China *

Lantau Island Lantau Island (also Lantao Island, Lan Tao) is the largest island in Hong Kong, located West of Hong Kong Island and the Kowloon Peninsula, and is part of the New Territories. Administratively, most of Lantau Island is part of the Islands ...

Islands District The Islands District is one of the 18 districts of Hong Kong. It is part of the New Territories. It had a population of 170,900 in 2018. Hong Kong consists of a peninsula and 263 islands. The Islands District consists of some twenty large an ...

Hong Kong Hong Kong ( (US) or (UK); , ), officially the Hong Kong Special Administrative Region of the People's Republic of China (abbr. Hong Kong SAR or HKSAR), is a city and special administrative region of China on the eastern Pearl River Delta i ...

Chikura was a town located in Awa District, Chiba Prefecture, Japan. As of October 1, 2004, the town had an estimated population of 12,527 and a density of 342 persons per km². The total area was 36.64 km². Geography Chikura was located at ...

Chiba Prefecture is a prefecture of Japan located in the Kantō region of Honshu. Chiba Prefecture has a population of 6,278,060 (1 June 2019) and has a geographic area of . Chiba Prefecture borders Ibaraki Prefecture to the north, Saitama Prefecture to the n ...

, Japan * Kitaibaraki,

Ibaraki Prefecture is a prefecture of Japan located in the Kantō region of Honshu. Ibaraki Prefecture has a population of 2,871,199 (1 June 2019) and has a geographic area of . Ibaraki Prefecture borders Fukushima Prefecture to the north, Tochigi Prefectur ...

, Japan *

Tamsui Tamsui District (Hokkien POJ: ''Tām-chúi''; Hokkien Tâi-lô: ''Tām-tsuí''; Mandarin Pinyin: ''Dànshuǐ'') is a seaside district in New Taipei, Taiwan. It is named after the Tamsui River; the name means "fresh water". The town is popula ...

New Taipei City New Taipei City is a special municipality located in northern Taiwan. The city is home to an estimated population of 3,974,683 as of 2022, making it the most populous city of Taiwan, and also the second largest special municipality by area, be ...

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the northe ...

Kuantan Kuantan ( Jawi: ) is a city and the state capital of Pahang, Malaysia. It is located near the mouth of the Kuantan River. Kuantan is the 18th largest city in Malaysia based on 2010 population, and the largest city in the East Coast of Penin ...

, Pahang State,

Malaysia Malaysia ( ; ) is a country in Southeast Asia. The federation, federal constitutional monarchy consists of States and federal territories of Malaysia, thirteen states and three federal territories, separated by the South China Sea into two r ...

Batangas Bay Batangas Bay is a semi-enclosed body of water situated in the province of Batangas in Luzon island in the Philippines. The bay is an extension of the Verde Island Passage and is separated from the Balayan Bay to the west by the Calumpan Peninsula ...

Batangas City Batangas City, officially the City of Batangas ( fil, Lungsod ng Batangas), is a 1st class component city and capital of the province of Batangas, Philippines. According to the 2020 census, it has a population of 351,437 people. Batangas City ...

Batangas Batangas, officially the Province of Batangas ( tl, Lalawigan ng Batangas ), is a province in the Philippines located in the Calabarzon region on Luzon. Its capital is the city of Batangas, and is bordered by the provinces of Cavite and ...

Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...

Katong Katong, also known as Tanjong Katong, is a residential neighbourhood in the eastern portion of the Central Region of Singapore, within the Marine Parade planning area. It used to be located by the sea, before land reclamation towards the south ...

Singapore Singapore (), officially the Republic of Singapore, is a sovereign island country and city-state in maritime Southeast Asia. It lies about one degree of latitude () north of the equator, off the southern tip of the Malay Peninsula, borde ...

Busan Busan (), officially known as is South Korea's most populous city after Seoul, with a population of over 3.4 million inhabitants. Formerly romanized as Pusan, it is the economic, cultural and educational center of southeastern South Korea ...

South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia, constituting the southern part of the Korea, Korean Peninsula and sharing a Korean Demilitarized Zone, land border with North Korea. Its western border is formed ...

Performance

Total bandwidth capacity of Asia Pacific Cable Network 2 is 2.56

Tbit The bit is the most basic unit of information in computing and digital communications. The name is a portmanteau of binary digit. The bit represents a logical state with one of two possible values. These values are most commonly represented ...

/s, made up of four pairs of optical fibres, each pair providing 640

Gbit The bit is the most basic unit of information in computing and digital communications. The name is a portmanteau of binary digit. The bit represents a logical state with one of two possible values. These values are most commonly represented a ...

/s by

Dense Wavelength Division Multiplexing In fiber-optic communications, wavelength-division multiplexing (WDM) is a technology which multiplexes a number of optical carrier signals onto a single optical fiber by using different wavelengths (i.e., colors) of laser light. This techniq ...

of 10 Gbit/s wavelengths. The 19,000 km-long APCN 2 cable system is built in a self-healing ring configuration, which allows fast rerouting of data transfers along APCN 2 in the event of disruptions. The cable system, as of January 2007, is progressively becoming operational. APCN 2 is designed to provide interconnection with other major trans-oceanic cable networks linking the US, Europe, Australia, and other parts of Asia.

Damage

On 27 Dec 2006, the

2006 Hengchun earthquake The 2006 Hengchun earthquakes occurred on December 26 at 20:26 and 20:34 local time off the southwest coast of Taiwan in the Luzon Strait, which connects the South China Sea with the Philippine Sea. The International Seismological Centre measure ...

damaged the APCN 2 cable links between Shantou, China and Tanshui, Taiwan, and between Lantau Island in Hong Kong and Chongming, China. This disrupted Internet access to overseas websites from Asia for more than a month. On 12 Aug 2009, the APCN2 cable suffered further damage, impacting Hong Kong, China, Taiwan, Philippines, Singapore and Tokyo links. In June 2010, the cable suffered some major faults, disrupting the Internet Access in the Philippines. On 11 March 2011, the APCN2 cable suffered damage as part of the

2011 Tōhoku earthquake Eleven or 11 may refer to: * 11 (number), the natural number following 10 and preceding 12 * one of the years 11 BC, AD 11, 1911, 2011, or any year ending in 11 Literature * ''Eleven'' (novel), a 2006 novel by British author David Llewellyn * ...

. On 23 March 2014, the APCN2 cable damaged after existing submarine cable break at S4A that happened on March 21. On 7 January 2015, the APCN2 cable failure between Singapore and Asia Pacific. This outage resulted in bandwidth restrictions and significant latency issues in Singapore to Asia Pacific from 7 January 2015 outage resolved on 31 January 2015 (source: Singtel / Singnet TAC) date=2015-01-29 On April 22, 2017, damage to the APCN2 cable affected Taiwan internet users. On April 10, 2020, damage to the APCN2 cable affected Internet users in Malaysia and nearby countries.

References

External links

PDF map of APCN 2

Asia-Pacific Cable Network 2 has serious cable fault
includes map, August 12, 2009 {{Submarine communications cables in the Pacific Ocean Submarine communications cables in the Pacific Ocean

Performance

Damage

See also

References

External links