IEC 62439-2:2021 is applicable to high-availability automation networks based on the ISO/IEC/IEEE 8802-3 (IEEE Std 802.3) (Ethernet) technology.
The IEC 62439-2:2021 specifies a recovery protocol based on a ring topology, designed to react deterministically on a single failure of an inter-switch link or switch in the network, under the control of a dedicated media redundancy manager node.
The contents of the corrigendum of May 2023 have been included in this copy.
Life cycle
NOW
PUBLISHED SSH IEC 62439-2:2021 ED3 60.60
Standard published 20 tet 2022
English