The STR-1AP access module is designed to translate card codes and signals from readers and sensors of access points into OSDP-protocol and transmit them to the STR20-IP network controller via RS-485 line, as well as to receive control commands from the controller (via the same line via OSDP-protocol) and control the corresponding barrier and auxiliary devices: locks, turnstiles, card receivers, barriers, gates, etc.
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