Deutsche Telekom Tests XG-FAST over Copper with Nokia

Deutsche Telekom hit throughput speed of more than 10 Gbps in a trial or Nokia's XG-FAST technology that was conducted at Deutsche Telekom's cable laboratory in Darmstadt, Germany. The trial used two bonded pairs of Category 6 cable at 50 meters in length. Similar tests using standard drop cable illustrated the feasibility of XG-FAST for fiber-to-the-front door applications, achieving aggregate rates that exceed 8Gbps over 50m.  All trials were performed using prototype equipment from Bell Labs under laboratory conditions.

XG-FAST is a Bell Labs-developed extension of Nokia's commercially available G.fast technology. The lab trial was conducted end of 2015 by Nokia's subsidiary Alcatel-Lucent.

Deutsche Telekom's network - which uses VDSL2 Vectoring as well as fiber-to-the-home (FTTH) technology - currently offers customers access speeds of up to 100 Mbps.

Nokia said  XG-FAST is in the early stages of lab testing, but has exceeded expectations in trials with several customers so far.

XG-FAST is also capable of delivering 1Gbps symmetrical services at distances of 70m enabling operators to deliver fiber-like speeds inside buildings using existing telephone lines, eliminating the need to install new cabling. This allows for faster installation times and less hassle for the end-user.

"As a global leader in ultra-broadband fixed access we are offering operators a mix of fiber and copper technologies to deploy high-quality services more quickly and cost-effectively. The XG-FAST trial with Deutsche Telekom represents an important milestone in our ongoing efforts to extend the potential of copper for delivering ultra-fast speeds, while also bringing fiber closer to residential and business users," Federico Guillén, President of Fixed Networks, Nokia.

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