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NBN Co and Coriant Tuesday has successfully conducted one Terabit per second (Tbps) super-channel transmission trial over a 1,066 km fibre optic ring in South East Queensland, Australia using Coriant’s innovative FlexiGrid technology on NBNCo’s Transit Network.
It was conducted on NBN Co’s network using commercially available hardware and pre-commercial software, over the existing fibre that is currently being integrated into NBN Co’s Transit Network. A Tbps super-channel transmission in a 369GHz grid over 1,066 km.
The trial also demonstrated the flexible allocation of the super-channel by placing it in three separate locations within the c-band which maximizes use of existing fibre resources.
The analysis of the results from the trial in conjunction with equipment test results showed that a calculated distance of 1,600 km could be achieved.
Gary McLaren, NBN Co’s Chief Technology Officer said, “We are pleased with the results of the trial with Coriant over our Transit Network. It highlights how established backbone infrastructure can be upgraded with sophisticated optical and electronic equipment to provide extra capacity for the future needs of the National Broadband Network.
“As high-bandwidth applications and the growth of internet usage drive increased demand for network capacity, the ease of upgrading to higher transmission rates in our Transit Network will enable us to continue to deliver a reliable and high-quality broadband experience for our customers,” NBN Co said.
Using commercial-grade Coriant hiT 7300 DWDM system hardware, including innovative FlexiGrid technology, the trial demonstrated NBN Co’s ability to efficiently scale its network as end-user traffic demands in Australia increase. FlexiGrid technology is based on an adaptive channel grid with wavelengths dynamically selected based on the data rate. By increasing channel density, FlexiGrid technology enables NBN Co to maximize the use of the existing fibre optic infrastructure, while maintaining network flexibility, resiliency and performance.
Coriant is a strategic supplier of Optical Transmission Equipment and management systems to NBN Co. The company also provides specialized optical networking support services including design, logistics, installation, commissioning, local pre-deployment system testing and maintenance.