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- Time of occurrence
- 2012/02/08 03:00 - 2012/02/08 05:00
- Context /
Affected customers - Some customers connected to in Eastern-Japan.
Some communications interruptions of 60minutes
- Cause
- Replacement of NTT relay line equipment
- Time of occurrence
- 2012/02/07 02:00 - 2012/02/07 06:00
- Context /
Affected customers - Some customers connected to in Eastern-Japan.
Some communications interruptions of 30minutes
- Cause
- Replacement of transmission equipment
- Time of occurrence
- 2012/02/02 03:00 - 2012/02/02 04:00
- Context /
Affected customers - Some customers connected to in Eastern-Japan.
Some communications interruptions of 40minutes
- Cause
- Replacement of NTT relay line equipment
- Time of occurrence
- 2012/02/02 02:00 - 2012/02/02 06:00
- Context /
Affected customers - Some customers connected to in Eastern-Japan.
Some communications interruptions of 45minutes
- Cause
- Setting change work of transmission equipment
- Time of occurrence
- 2012/02/01 02:00 - 2012/02/01 06:00
- Context /
Affected customers - Some customers connected to in Eastern-Japan.
Some communications interruptions of 20minutes
- Cause
- Replacement of transmission equipment
