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Ample electrical knockouts are provided on the sides and the top
Field-upgradeable firmware saves time and money no need to return panels for updates
It utilizes digital communication to transmit analog sensor values to the host control panel using Simplex addressable communications
It does not include the 30-3013 Smoke Detector
Each SK-RELAY comes programmed with a unique signaling line circuit (SLC) loop address
Simplex 4100-1252 SMB500-US Ample electrical knockouts are providedAudio If Module, Sgl Channel
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