If this is checkmarked you’ll get AppleTalk information about the connection, in addition to knowing if the connection is Closed, Opening, Open, or Closing.

Chatter will refrain from beeping as much as possible.

Chatter will only beep when a new connection has been established.

Chatter will beep when a new connection is created, or data comes in.

This is the name that other Chatter users will see you as having.