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Token Ring facts for kids

Kids Encyclopedia Facts

Token Ring is a networking protocol for Local area networks. It uses token passing at the data link layer. The token has two states, either it is free, or it is taken, and data follows. When a computer has a message to send, it appends the message to the token, and sets the token state to taken. Each workstation along the ring sees the message. If the workstation was the recipient of the message, it sends a new empty token, otherwise it passes the token along. Since the only way to send data is to wait for an empty token, there will be no collisions.

Token Ring was mainly used by IBM in the 1970s to 1990s, today, Ethernet has replaced it in many applications.

Images for kids

  • Physical Token Ring Wiring

    Token Ring network: operation of a MAU explained

  • Token ring concentrator diagram
  • IBM 8228 Multistation Access Unit

    The IBM 8228 Multistation Access Unit with accompanying Setup Aid to prime the relays on each port

  • IBM 2210 Router Interfaces

    Both Token Ring and Ethernet interfaces on the 2210-24M

  • 8228 ring in

    IBM Data Connectors on the IBM 8228 Multistation Access Unit.

  • Token ring media filters

    8P8C 'Media Filters' that plug into an IBM Data Connector converting it for use with 8P8C connectors.

See also

Kids robot.svg In Spanish: Token Ring para niños

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Token Ring Facts for Kids. Kiddle Encyclopedia.