Method and apparatus for carrying out loopback test

Assignee

• Nippon Telegraph And Telephone Public
• Fujitsu Limited
• Oki Electric Industry Co.
• Nippon Electric Co.

Inventors

• Hiroshi Maejima (228 patents)
• Noriaki Fujimura (5 patents)
• Takahiro Shibuya (11 patents)
• Shigeyuki Akagi (1 patents)

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