Fixed fire detection and fire alarm systems with individually identifiable fire detectors shall be so arranged that:______.

A、meansareprovidedtoensurethatanyfault(e.g.,powerbreak,shortcircuit,earth,etc.)occurringinthesectionwillnotpreventthecontinuedindividualidentificationoftheremainderoftheconnecteddetectorsinthesection
B、allarrangementsaremadetoenabletheinitialconfigurationofthesystemtoberestoredintheeventoffailure(e.g.,electrical,electronic,informatics,etc.)
C、thefirstinitiatedfirealarmwillnotpreventanyotherdetectorfrominitiatingfurtherfirealarms
D、nosectionwillpassthroughaspacetwice.Whenthisisnotpractical(e.g.,forlargepublicspaces),thepartofthesectionwhichbynecessitypassesthroughthespaceforasecondtimeshallbeinstalledatthemaximumpossibledistancefromtheoth