China Telecom trials ZTE 400G OTN cluster system

March 24, 2020

The ZXONE 9700 400G OTN system was installed at multiple super-core nodes in China Telecom’s network, with each site supporting 128 service slots and 64-Tbps cross-connect capacity.

Stephen Hardy

ZTE Corp. (0763.HK / 000063.SZ) says it is conducting a commercial trial of a 400G OTN (Optical Transport Network) cluster system with China Telecom’s Shenzhen Branch. The ZXONE 9700 400G OTN system was installed at multiple super-core nodes in China Telecom’s network, with each site supporting 128 service slots and 64-Tbps cross-connect capacity.

The communications technology provider says the ZXONE 9700 systems involved in the commercial trial support a maximum of 64 wavelengths of 400G and enable cross-ring non-blocking scheduling of enterprise private line services. Such capabilities ease network operation and maintenance and can be applied to 5G transport network requirements, ZTE says.

The clusters are connected via a 32-degree ROADM optical-layer architecture. ZTE says this approach enables a flatter MAN and full-mesh multi-directional connections, as well as supports one-hop transmission.

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About the Author

Stephen Hardy | Editorial Director and Associate Publisher, Lightwave

Stephen Hardy is editorial director and associate publisher of Lightwave and Broadband Technology Report, part of the Lighting & Technology Group at Endeavor Business Media. Stephen is responsible for establishing and executing editorial strategy across the both brands’ websites, email newsletters, events, and other information products. He has covered the fiber-optics space for more than 20 years, and communications and technology for more than 35 years. During his tenure, Lightwave has received awards from Folio: and the American Society of Business Press Editors (ASBPE) for editorial excellence. Prior to joining Lightwave in 1997, Stephen worked for Telecommunications magazine and the Journal of Electronic Defense.

Stephen has moderated panels at numerous events, including the Optica Executive Forum, ECOC, and SCTE Cable-Tec Expo. He also is program director for the Lightwave Innovation Reviews and the Diamond Technology Reviews.

He has written numerous articles in all aspects of optical communications and fiber-optic networks, including fiber to the home (FTTH), PON, optical components, DWDM, fiber cables, packet optical transport, optical transceivers, lasers, fiber optic testing, and more.

You can connect with Stephen on LinkedIn as well as Twitter.