Edwards 4-CPU
Edwards 4-CPU
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The Edwards 4-CPU is the central processing card for the EST4 fire alarm and emergency communication platform, managing data from local rail modules and acting as the network nexus that bridges every EST4 node together. Its self-configuring network logic lets EST4 nodes deploy across ring, star, redundant-segment, or full-mesh topologies without manual network administration.
Key Features
- Central processing and network bridge for all EST4 system nodes
- Self-configuring network supports ring, star, redundant-segment, and full-mesh topologies
- Stores active alarm history plus a separate bank of locked/frozen events for investigation
Technical Specifications
- On-board memory: 8 GB, holding up to 2 hours of pre-recorded audio messaging plus the project database
- Active alarm history: stores more than 10,000 events
- Locked/frozen event storage: up to 10,000 events
- Relay outputs: Alarm Relay, Trouble Relay, Supervisory Relay
Certifications
- UL 864 Listed
- ULC Listed
- FM Approved
- CSFM Approved

