SCHNEIDER Security Experty Security Purpose Door Expansion SP-RDM2Schneider Electric SP RDM2 Security Door Expansion ModuleThe Schneider SP RDM2 is a dedicated security expansion module designed for controlled door access systems and integrated facility safety operations. It provides reliable interface functionality for door control, monitoring, and expansion of multi zone entry systems in commercial and industrial environments. Key Specifications Model: SP RDM2 Function: Door security expansion module Interfaces: