There shouldn't be any downtime on the already active loops.
Update(s):
Date: 2012-09-10 14:37:18 UTC NRA are operational.
Date: 2012-09-05 14:16:03 UTC We intervene tomorrow during the day to settle the final optical amplifiers in order to secure these two NRAs. We will then open the command to these two sites. No interruption is expected.
Date: 2012-08-17 22:31:52 UTC CHE78 was finalzed.We end up the configuration.
Ragarding VAU92 we have an issue with SFP.It's not secure currently,it will be opened when it will be.