Description The Edwards Signaling 4-CPU is a central processing module designed to provide system control and communication for Edwards fire alarm and life safety platforms. Manufactured by Edwards Signaling, the 4-CPU manages system processing, network communications, and peripheral connectivity while supporting reliable operation in commercial and industrial fire alarm installations. Technical Specifications Condition New/Never Used Surplus Brand Edwards Signaling Category Fire Alarm Systems Part Number 4-CPU Subcategory Fire Alarm Processor Module Supply Voltage 24 VDC Standby Current 211 mA @ 24 VDC USB Ports 1 × USB 3.0 Type-A, 1 × USB 3.0 Type-B Supported USB Cables 4-CABLUSBSM (0.75 m), 4-CABLUSBLG (1.5 m) Network Interface Compatible with Edwards-approved SFP Modules Wire Size 12–18 AWG (2.5–1.0 mm²) Ground Fault Impedance 5 kΩ or Less Operating Temperature 32°F to 120°F (0°C to 49°C) Relative Humidity 0–93% Non-Condensing Approvals UL, ULC, FM, CSFM Application Intelligent Fire Alarm Control Systems Weight 1 lb (0.45 kg) Information About 4-CPU The 4-CPU is a processor module developed for Edwards Signaling intelligent fire alarm control systems, serving as the primary controller for system operation and network management. It features integrated USB 3.0 connectivity for programming, diagnostics, and maintenance, while supporting compatible SFP modules for network communication. The module is designed for installation within Edwards control panels and interfaces with backup power and network infrastructure to ensure dependable system performance. Certified by UL, ULC, FM, and CSFM, it is suitable for mission-critical life safety applications requiring continuous monitoring and reliable communications. Key Features: Central Processing Module: Provides primary control and system management for Edwards fire alarm systems. USB 3.0 Connectivity: Includes Type-A and Type-B USB 3.0 ports for programming and diagnostics. Network Communication Support: Compatible with approved SFP modules for high-speed network connectivity. Low Power Consumption: Designed for efficient standby and alarm operation on 24 VDC systems. Backup Power Interface: Supports dedicated backup power connections for enhanced system reliability. Certified Performance: UL, ULC, FM, and CSFM approved for life safety applications. Industrial Operating Range: Operates in temperatures from 0°C to 49°C with up to 93% non-condensing humidity. Flexible Wiring: Accepts 12–18 AWG wiring for backup power network connections. The 4-CPU delivers the reliability and precision required for intelligent fire alarm control, network management, and life safety system operation.
