Check the listing for details. Edwards EST SIGA-MCC2 UIO Dual Signal Module. Condition: New, Made in United States. Listed at 1723.67 USD. The Edwards EST SIGA-MCC2 intelligent addressable dual input signal module is the UIO plug-in version for Signature Series loops, used to switch two supervised Class B, or one Class A, 24 Vdc NAC, 25 or 70 VRMS audio, or firefighter telephone risers to their power sources under command of the loop controller. It uses a single address with factory-set Personality Code 7 for both circuits, supervises field wiring for opens and shorts, and snaps onto UIO motherboards for fast multi-module installations. Key Specifications: Type: Intelligent addressable dual input (riser) signal module, UIO plug-in Core Function(s): Switches two supervised Class B or one Class A NAC, audio, or telephone risers to 24 Vdc or 25/70 VRMS power under panel control (Personality Code 7) Loop/Protocol: Signature SLC Power: 15.2 to 19.95 VDC from SLC; approx.