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.
PUBLISHED SSH EN IEC 62439-2:2022 60.60
Standard published Jul 14, 2023
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Adopted from
prEN IEC 62439-2:2020
Adopted from
IEC 62439-2:2021
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