Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Symmetric digital subscriber line:

This text has been unreferenced on Wikipedia for a very long time. If you can't find a source, be bold and remove it!

"

As there is a standardised successor available, SDSL installations today are considered legacy. Most new installations use G.SHDSL equipment instead of SDSL.[citation needed]