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NEC's iPASOLINK Solution Successfully Tested in EANTC's Carrier Ethernet Interoperability TestResults showcased at the Carrier Ethernet World Congress in Barcelona

*** For immediate use September 17, 2012

London, 17 September 2012 - At the Carrier Ethernet World Congress in Barcelona (17-20 Sept 2012) NEC Corporation (NEC; TSE: 6701) announces and showcases the successful interoperability test results that its mobile backhaul transport solution iPASOLINK achieved during the European Advanced Network Test Center's (EANTC) Carrier Ethernet Interoperability Test in Berlin from 20-31 August 2012.

"This is the fifth consecutive year in which NEC has participated in the test, each time with great results. The successful results demonstrate that NEC's microwave solution is ideal as a transport technology for Carrier Ethernet," said Hiroya Nakata, vice president and general manager, Mobile Wireless Solutions Division, NEC Corporation.

"The results will give network operators an added degree of confidence so they can proceed with their own evaluations and implementations of new solutions based on these new Carrier Ethernet technologies. NEC's iPASOLINK is highly reliable and makes installation very simple for network operators."

The Interoperability Test (IOT) evaluates innovative packet transport technologies. It focuses on new approaches to packet networking seeking to improve flexibility (one network for any service), efficiency (optimising available capacity) and carrier grade reliability.

NEC's iPASOLINK successfully took part in the following IOT:

  • Microwave MPLS-TP QoS Support
  • SyncE ESMC over Microwave
  • IEEE1588v2 Best Master Clock Selection both of a boundary clock and a slave scenario.

Microwave MPLS-TP QoS Support
"Microwave links are a commonly used substitute for long-haul fiber in the field. Especially now that Adaptive Modulation can select the highest possible modulation scheme at a given point in time based on atmospheric conditions. Since changing conditions can decrease the overall throughput of the link, it is important to have a solution to ensure that important traffic is not dropped when the air capacity is reduced. When the air-interface capacity is reduced it is paramount on the microwave solution to offer traffic prioritization capabilities."(*1)

SyncE ESMC over Microwave
Ethernet Synchronization Messaging Channel (ESMC) provides a mechanism for the synchronous Ethernet receiver to select the best available reference source, so they can deliver reliable and high quality clock to mobile backhaul and end-user devices.

IEEE1588v2 Best Master Clock Selection both of a boundary clock and a slave scenario
"The Precision Time Protocol Best Master Clock Selection provides a mechanism for a synchronization slave to select the best master clock in their respective synchronization domain.1" It allows the slave to lock onto the best available clock source. As with the SyncE this also enables mobile base stations to be synchronized.

The iPASOLINK is the latest generation of renowned PASOLINK products. Since the launch of PASOLINK in the early 1980s, mobile and fixed communications have rapidly expanded and PASOLINK has been widely adopted as a microwave radio system for transport networks, with shipments of approximately 2 million units throughout 147 countries.

The multi-vendor Interoperability Showcase organized by the EANTC at the Carrier Ethernet World Congress (CEWC) 2012 in Barcelona consists of full equipment setup and short demo presentations. NEC engineers will be present to explain iPASOLINK equipment. EANTC also published the results in the white paper



(*1) Public Multi-Vendor Interoperability Event Carrier Ethernet World Congress 2012 White Paper, EANTC.

About NEC Corporation
NEC Corporation is a leader in the integration of IT and network technologies that benefit businesses and people around the world. By providing a combination of products and solutions that cross utilize the company's experience and global resources, NEC's advanced technologies meet the complex and ever-changing needs of its customers. NEC brings more than 100 years of expertise in technological innovation to empower people, businesses and society.  For more information, visit NEC at

NEC is a registered trademark of NEC Corporation. All Rights Reserved. Other product or service marks mentioned herein are the trademarks of their respective owners. (C)2012 NEC Corporation.

The European Advanced Networking Test Center (EANTC) offers vendor-neutral consultancy and test facilities for network equipment manufacturers, service providers and enterprise customers. Primary business areas include interoperability, conformance and performance testing for Carrier Ethernet, IP/MPLS and Triple Play technologies and applications.

EANTC Contact

Carsten Rossenhoevel, Managing Director
+49 (0)30 3180 5950

NEC Press Contact

Shinya Hashizume
NEC Europe Ltd.3.
+44 (0)20 8752 2796