Abstract / scope
Applicable to interworking units concerned with operating in the Open Systems Interconnection (OSI) Local Area Network environment. Specifies a combination of OSI standards that collectively provide a MAC relay function. Specifies requirements that are dependent on the type of subnetwork. Applicable to an interworking unit which is attached to a Token Ring LAN subnetwork and is relaying to another LAN subnetwork, not necessarily of the same type.