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Each DS7400XI 16 DSR-32C can be connected, the default can be used with corresponding to each zone one by one DSR32C CMS7000 software you can set two RS232 interface connection, maximum 32 units can be connected DSR-32C, 1024 x relay output connector Can be set by software following a standoff or multiple zone output, or more than one zone to start a relay output Relay can be set to manual reset or auto reset