DSC PRM-4W Polarity Reversal Module New

DSC PRM-4W polarity reversal module — surplus commercial security panel equipment, new condition. Polarity reversal module for DSC fire alarm and security panels enabling parallel dialer line seizure. Sourced from security systems integrator overstock. Genuine working surplus. Ships via freight or local delivery within 10 miles of Douglassville, PA (ZIP 19518). Prout Surplus surplus DSC security panel modules.

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