You have configured your Cisco TelePresence Codec C90 but discover unwanted noise during
use. What best practice will help avoid this problem?

A.
Connect only one device at a time to an input and avoid daisy-chaining.

B.
Recycle the power on your system after adding each additional input.

C.
If you are not using an input, turn it off.

D.
Daisy-chain additional devices using a serial cable to provide separate power supplies.