InstallationandOperationManual
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AddressableLoopCirc uit Wiring
OneALUcardsupportsoneaddressableloopcircuit.
AddressableLoopCircuitsupportsClassAandClassBstyle.Amaximumof252devicescanbeconnectedtothe
circuit.
Allthecompatibledetectorsandmanualstationsarepolarityinsensitive,whilethecompatiblemodulesare
polaritysensitive.
Refertotheinstructionsheets
packedwitheachdevice.
ThedetectorsandmodulesmaybewiredtogetheraccordingtoseveralNFPAdefinedwiringstyles.Thewiring
stylethatisappropriateforyourinstallationshouldbedeterminedfromtherelevantbuildingcodesandthe
localAuthorityHavingJurisdiction.
AddressableLoopCircuitWiring–ClassA
ClassAprovidesredundantcommunicationpaths.
Figure22AddressableLoopCircuitWiring–ClassA