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The Australia–Japan Cable, or AJC, is a 12,700 km submarine telecommunications cable system linking Australia and Japan via Guam that became operational in 2001. It had an original design capacity of 640 Gbit/s, but was initially equipped to use only 80 Gbit/s of this capacity. In April 2008 a capacity upgrade was completed, bringing equipped capacity to 240 Gbit/s. Design capacity was also increased to 1000 Gbit/s. Further upgrades will increase equipped capacity to meet increasing demand. The cable has a design life to 2026.

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  • Australia–Japan Cable (en)
  • 澳大利亚－日本海底光缆 (zh)
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  • 澳大利亚－日本海底光缆（Australia-Japan Cable)，简称澳日光缆，英文简写AJC。是将澳大利亚和日本，经由关岛连接起来的海底通信光缆系统，其2001年投入使用。它的最初设计通讯容量为640 Gbit/s，但落成初期仅有80 Gbit/s有效承载容量。2008年4月份，进行了一次带宽升级，使得有效承载量达到240 Gbit/s。设计容量也同时升至1 Tbit/s（1000 Gbit/s）。后期将会有更多带宽升级工程，以满足通讯需求。 澳日光缆通讯网络采用的是收缩环线设计，使其在澳洲、关岛、日本有多个登陆点。其采用了多重路线，使光缆的深度不超过4000米。这种多重路线方式省去了深水光缆的防护罩，拥有比较高的可靠性，因其采用多条路线和陆地中继站，可减轻设备损坏引起的后果。 澳日光缆拥有以下的访问界面种类：同步数字体系（STM1、STM4、STM16、STM64标准）、2.5G、直接波长访问、千兆以太网、万兆以太网络。其同时配备了多种安全措施，包括SDH自愈环以及1:n波长冗余。 澳日光缆在以下地区接触陆地： 1. * 日本志摩市 2. * 日本 3. * 关岛 4. * 关岛 5. * 澳大利亚悉尼 6. * 澳大利亚悉尼 (zh)
  • The Australia–Japan Cable, or AJC, is a 12,700 km submarine telecommunications cable system linking Australia and Japan via Guam that became operational in 2001. It had an original design capacity of 640 Gbit/s, but was initially equipped to use only 80 Gbit/s of this capacity. In April 2008 a capacity upgrade was completed, bringing equipped capacity to 240 Gbit/s. Design capacity was also increased to 1000 Gbit/s. Further upgrades will increase equipped capacity to meet increasing demand. The cable has a design life to 2026. (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/AJC-Cable-route.png
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technology
  • Fibre-optic (en)
topology
  • collapsed loop design (en)
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  • Telstra, BT, Verizon Business, Softbank (en)
has abstract
  • The Australia–Japan Cable, or AJC, is a 12,700 km submarine telecommunications cable system linking Australia and Japan via Guam that became operational in 2001. It had an original design capacity of 640 Gbit/s, but was initially equipped to use only 80 Gbit/s of this capacity. In April 2008 a capacity upgrade was completed, bringing equipped capacity to 240 Gbit/s. Design capacity was also increased to 1000 Gbit/s. Further upgrades will increase equipped capacity to meet increasing demand. The AJC network employs a design that features diverse landings in Australia, Guam and Japan and diverse routing at water depths less than 4000m. This design reduces cost by using a common sheath in deep water, where risk of failure is low, but provides redundancy to mitigate risk in shallower waters and in the landing stations. The network supports a range of access interfaces, including SDH at STM1, STM4, STM16 and STM64 levels, 2.5G clear, Direct Wavelength Access, Gigabit Ethernet and 10 Gigabit Ethernet. A range of protection options are available, including SDH span and ring protection and 1:n wavelength redundancy. The cable has a design life to 2026. (en)
  • 澳大利亚－日本海底光缆（Australia-Japan Cable)，简称澳日光缆，英文简写AJC。是将澳大利亚和日本，经由关岛连接起来的海底通信光缆系统，其2001年投入使用。它的最初设计通讯容量为640 Gbit/s，但落成初期仅有80 Gbit/s有效承载容量。2008年4月份，进行了一次带宽升级，使得有效承载量达到240 Gbit/s。设计容量也同时升至1 Tbit/s（1000 Gbit/s）。后期将会有更多带宽升级工程，以满足通讯需求。 澳日光缆通讯网络采用的是收缩环线设计，使其在澳洲、关岛、日本有多个登陆点。其采用了多重路线，使光缆的深度不超过4000米。这种多重路线方式省去了深水光缆的防护罩，拥有比较高的可靠性，因其采用多条路线和陆地中继站，可减轻设备损坏引起的后果。 澳日光缆拥有以下的访问界面种类：同步数字体系（STM1、STM4、STM16、STM64标准）、2.5G、直接波长访问、千兆以太网、万兆以太网络。其同时配备了多种安全措施，包括SDH自愈环以及1:n波长冗余。 澳日光缆在以下地区接触陆地： 1. * 日本志摩市 2. * 日本 3. * 关岛 4. * 关岛 5. * 澳大利亚悉尼 6. * 澳大利亚悉尼 (zh)
cable name
  • Australia–Japan Cable (en)
current capacity
design capacity
first use date
landing points
  • #Shima, Japan #Maruyama, Chiba, Japan #Tanguisson, Guam #Tumon Bay, Guam #Oxford Falls, Sydney, Australia #Paddington, Sydney, Australia (en)
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