But I've never known the backup system to be off at the same time.

But even if he had, there would probably be backup systems ready to take over.

And a backup system that is supposed to take over within minutes did not do so for more than an hour.

They couldn't simply shut off the power, because there was certainly some kind of backup system in the place.

A second team was going to try to fix the backup system.

The light was restored at first by the use of a backup system.

Only my head is working, and I think that's because of an emergency backup system.

On the other hand there could be a backup system that we hadn't discovered.

There were always plenty of backup systems in case something should go wrong.

And do not neglect the final step: test your backup system.

I alone know how to use the safety and backup systems properly.

They went by a very cautious book and set a complete backup system.

The backup system momentarily came to life, and then it too went down.

A second backup system was being repaired at the time and not available.

But probably the best criterion is the value of the data for which the backup system will provide insurance.

And there are backup systems in case we get a run of bad weather, natural or otherwise.

"I do want to find out about these backup systems, though.

"Why did they need an integration of the tape backup system?"

The bridge did indeed have three backup systems to drop it.

He has several backup systems in case his e-mail server is down.

This incident has made me realize that we have no backup system in place.

Power shortages are going to get worse, and there's no real backup system.

There must be ten backup systems in this wall alone."

The brokers then had full access to account information in the firm's backup systems.

Ice is the backup system against the failure of all our other cooling systems.