To indicate to the network that a particular node is about to transmit data
The token indicates current "ownership" of the ring, in that only one client at a time can have access to the network. If you don't have the token you can't do anything on the network. It also indicates the status of the ring, whether it is in use, available to transmit on, health status, etc.
Uranus
Token ring hub
In a token bus network architecture, the nodes at either end of the bus do not actually meet. In a token ring, the network logically functions as a ring, but is wired as a star.
It is a 'token' of your affection for that person.
That is not possible. In Token Ring, only the station with the token can transmit.
Token Passing
The 802.5 standards describe Token Ring technology.
Token Ring
IBM created the token ring architecture, which was used for years primarily by Novell.
Only Juliet's ring, the token of her love