Definitions for "IEEE 802.4"
Keywords:  token, topology, bus, lan, mac
The physical layer standard specifying a LAN with a token passing method on a bus topology (e.g. MAP).
IEEE LAN protocol that specifies an implementation of the physical layer and the MAC sublayer of the data link layer. IEEE 802.4 uses token-passing access over a bus topology and is based on the token bus LAN architecture. See also token bus.
Token bus MAC protocol developed by IEEE 802 Committee.