The NODE allows expansion of the system in groups of either 1, 2 or 3 loops. When supplied in an enclosed cabinet with independent primary and secondary power supplies up to 9 Loops may be installed in each cabinet. One RS422/RS485, Fibre Optic or TCP/IP interface is required per cabinet to enable networking with the rest of the system.
Each NODE board controls up to 3 Analogue Addressable Detection Loops via its own independent processor. In the event of communication failure with the main control unit, the sub panel is capable of operating independently, detecting Fire/ Fault events and activating its own sounders and relays.
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