How Do You Fix an Internet Cable at the Bottom of the Ocean?

What happens when an internet cable breaks beneath the ocean? Follow the repair from locating the fault and recovering the cable to splicing its fibers and returning it to the seabed—and discover why your connection may keep working throughout. Some illustrations are simplified to explain the underlying principles and may differ from real equipment, proportions, or procedures. 00:00 A cable fails 00:20 Inside an undersea cable 01:20 How backup routes keep you connected 02:23 Finding the fault 03:44 Preparing the repair ship 05:03 Finding and cutting the cable 06:08 Recovering the two ends 07:16 Splicing and protecting the cable 08:42 Returning the cable to the seabed 09:38 The C-Lion1 repair 10:31 Back in service