APCN 2 or Asia-Pacific Cable Network 2 is a submarine telecommunications cable linking several countries in the Asia-Pacific region.
It has landing points in:
- Chongming, Shanghai, China
- Shantou, Guangdong Province, China
- Lantau Island, Islands District, Hong Kong
- Chikura, Chiba Prefecture, Japan
- Kitaibaraki, Ibaraki Prefecture, Japan
- Tamsui, New Taipei City, Taiwan
- Kuantan, Pahang State, Malaysia
- Batangas Bay, Batangas City, Batangas Province, Philippines
- Katong, Singapore
- Pusan, South Korea
Total bandwidth capacity of Asia Pacific Cable Network 2 is 2.56 Tbit/s, made up of four pairs of optical fibres, each pair providing 640 Gbit/s by Dense Wavelength Division Multiplexing 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 USA, Europe, Australia, and other parts of Asia.
On 27 Dec 2006, the 2006 Hengchun earthquake 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.
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. Explains Internet Speed Problems in Singapore to Asia Pacific from January 7th 2015 ETR January 31st 2015 subject to favorable weather conditions (source: Singtel / Singnet TAC) date=2015-01-29
- Internet Access to overseas website disrupted
- Communications cut off after earthquake strikes Taiwan
- Internet access in Singapore severely affected by Taiwan quake
- Umbao, Ed (2014-04-01). "PLDT Explains Internet Speed Problems in the Philippines From March 28 Onwards". Philnews.ph. Retrieved 2014-05-09.