IEC 60839-11-5:2020 specifies the Open supervised device protocol (OSDP) for electronic access control systems. This includes communication settings, commands and replies between the ACU and the peripheral devices. It also includes a mapping of mandatory and optional requirements as per IEC 60839-11-1:2013 as covered by Annex.
IEC 60839-11-5 Ed. 1.0 b:2020 History
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IEC 60839-11-5 Ed. 1.0 b:2020
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