I. Introduction
II. General Concepts
III. Frame Formats
A. The Token Frame
1. The Start Delimiter
2. The End Delimiter
3. The Access Control Byte
B. The Medium Access Control (MAC) Frame
1. Frame Control
2. The Destination Address
3. Bit Ordering in Token Ring
4. The Source Address
5. The Routing Information Field
6. The Information Field
7. The Frame Check Sequence
8. The Frame Status Byte
C. The Logical Link Control (LLC) Frame
IV. Ring Insertion Process
A. Lobe Wiring Check
B. Active Monitor Check
C. Duplicate Address Test
D. Join Ring Poll
E. Request Initialization
F. Ring Station Removal
V. Token Passing
VI. Neighbor Notification and Contention
A. The Active Monitor
B. The Standby Monitor
C. The Ring Poll Process
D. Monitor Contention