| Term | Definition |
|---|---|
| 802.3 network | A 10-Mbps CSMA/CD bus-based network; commonly called Ethernet. |
| 802.5 network | A token-passing ring network operating at 4 or 16 Mbps. |
| 8B/10B encoding | A signal modulation scheme in which either four bits are encoded into a five-bit word or eight bits are encoded in a 10-bit word to ensure that too many consecutive zeroes do not occur; used in ESCON and Fiber Channel. |