Abstract / scope
Is applicable to end systems or relay systems operating over token ring LAN subnetworks in the open systems interconnection (OSI) environment. Relates to any of the transport (Tx, Ux) or relay (Rx) profiles defined in ISO/IEC TR 10000-2, where such profile uses subnetwork type 53. Specifically, provides a common set of requirements that are applicable to transport groups TA, TB, TC, TD, TE, UA, and UB, and to relay types RA, RB, RC, RD, RE, and RZ whenever subnetwork identifier 53 is associated with the transport group or relay type.