APNG is a submarine telecommunications cable system

Submarine communications 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....

 in the Coral Sea

Coral Sea

The Coral Sea is a marginal sea off the northeast coast of Australia. It is bounded in the west by the east coast of Queensland, thereby including the Great Barrier Reef, in the east by Vanuatu and by New Caledonia, and in the north approximately by the southern extremity of the Solomon Islands...

 linking Australia and Papua New Guinea.

It has landing points

Cable landing point

A cable landing point is the location where a submarine or other underwater cable makes landfall. The term is most often used for the landfall points of submarine telecommunications cables and submarine power cables. The landing will either be direct or via a branch from a main cable using a...

 in Cairns

Cairns, Queensland

Cairns is a regional city in Far North Queensland, Australia, founded 1876. The city was named after William Wellington Cairns, then-current Governor of Queensland. It was formed to serve miners heading for the Hodgkinson River goldfield, but experienced a decline when an easier route was...

, Queensland

Queensland

Queensland is a state of Australia, occupying the north-eastern section of the mainland continent. It is bordered by the Northern Territory, South Australia and New South Wales to the west, south-west and south respectively. To the east, Queensland is bordered by the Coral Sea and Pacific Ocean...

, Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

 and Port Moresby

Port Moresby

Port Moresby , or Pot Mosbi in Tok Pisin, is the capital and largest city of Papua New Guinea . It is located on the shores of the Gulf of Papua, on the southeastern coast of the island of New Guinea, which made it a prime objective for conquest by the Imperial Japanese forces during 1942–43...

, Papua New Guinea

Papua New Guinea

Papua New Guinea , officially the Independent State of Papua New Guinea, is a country in Oceania, occupying the eastern half of the island of New Guinea and numerous offshore islands...

.

It is an analogue coaxial copper cable with a capacity of 480 channels at 5 MHz each, giving a data rate of 16 Mbit/s. It has a total cable length of 897 km. It started operation in 1976 and has been replaced by the APNG-2

APNG-2 (cable system)

The APNG-2 submarine communications cable is being constructed to link Papua New Guinea directly to Australia and indirectly to New Zealand and the rest of the world, and has been in service from late 2006....

cable.