Answer:
A fax machine is used to send documents over a phone network.
Explanation:
The transmission that is sent is called "Faxes"
The easiest way to understand this is by having one person print a document at someone else's house. It is also a live time like a telephone, or like a text message.
Here's what I found
To use an aggregate device with Logic:
Open Logic Pro or Logic Express.
Choose Logic Pro > Preferences > Audio or Logic Express > Preferences > Audio and select the Devices tab.
Select the Output Device drop-down menu and choose the aggregate device from the list. ...
Click Apply Changes at the bottom-right of the window.
It's more expensive, it's more difficult to configure and maintain and it can be more difficult to troubleshoot