AJC Cable System Overview

The Australia-Japan Cable System (AJC Cable System) is a submarine cable directly connecting Australia and Japan, via Guam. The AJC cable system has a design capability up to 2.56 Tbit/s, enabling further upgrades as required. The AJC cable system was ready for service on 30 December 2001, with a design life to 2026.

System Profile

Cable System:

• Australia-Japan Cable, AJC

Cable Length:

• 12,700 Km
• 7200 Km Sydney-Guam (transmission latency of 36 ms)
• 4000 Km Guam-Japan ( transmission latency of 20 ms)
• Sydney-Japan round trip delay (RTD) of 112 ms

Design Capacity:

• 320 + 320 Gbps (initial design capacity)
• 1320 Gbps between Australia and Guam and 1000 Gbps between Guam and Japan (upgrade in 2008)
• 1.28 Tbps (64 x 10 Gbps DWDM per fiber pair, upgrade March 2010 )
• Upgraded with 40G technology in mid 2012
• Upgraded with 100G technology in late 2013 and early 2014.
• 2 fiber pairs

Lit Capacity:

• 40+40 Gbps as of RFSD
• 120+120 Gbps  (upgrade in 2008)
• 160+160 Gbps (320 Gbps unprotected, as of March 2010)
• Upgraded in September 2018 with 100G technology which resulted in AJC equipped to about 5,000 Gbps

Ready for Service Date:

• December 30, 2001

Investment Type::

• Private

Initial Investment:

• US$ 340 million (JPY 36 billion)

Owner(s):

• Australia-Japan Cable

Landing Stations:

• Oxford Falls, Sydney, Australia
• Paddington, Sydney, Australia
• Tumon Bay, Guam
• Tanguisson, Guam
• Shima, Japan
• Maruyama, Chiba, Japan

Vendors:

• NEC
• Infenera (for upgrades)

About Australia Japan Cable:

Australia Japan Cable is a private cable company established in 2000 to design, construct, market and operate the Australia Japan Cable Network (AJCN) from Sydney, Australia, to near Tokyo, Japan, via Guam. The AJC group holding company, Australia Japan Cable Holdings Limited is owned by:

• Communications Global Network Services Limited (formerly Concert)
• NTT Communications Corporation
• SOFTBANK Telecom Corp. (formerly Japan Telecom)
• Telstra Holdings (Bermuda) No. 1 Limited
• Worldcom Global Networks Limited