4 Doors, 4 Wiegand Readers, 4 Supervised Inputs, 4 Relays, RS-485 Encrypted Link, 12VDC
Suprema DI-24 is a scalable multi-door expansion module engineered to expand RS-485 access control networks by controlling up to 4 doors with 4 Wiegand reader ports and supervised I/O channels.
Product Overview
The DI-24 Multi-Door Module connects seamlessly to Suprema CoreStation master controllers over an encrypted RS-485 bus. It allows facility managers to cost-effectively extend access control coverage across multiple doors while maintaining centralized monitoring, anti-passback rules, and local input linkages.
Why Buy This Product
Cost-Effective Expansion
Adds 4 additional doors to CoreStation without buying extra full controllers.
Universal Reader Support
Wiegand ports enable integration of legacy 3rd-party card readers.
Supervised Input Monitoring
Detects line tampering, wire cutting, and short circuit attempts.
Best for These Applications
Multi-Door Corridors
Ideal for controlling groups of office doors connected back to a single riser.
Mixed-Technology Systems
Great for integrating legacy Wiegand readers into Suprema BioStar 2.
Key Advantages
- Encrypted Bus Protection:All signals back to the main controller are protected with AES encryption.
- Flexible I/O Linkage:Configurable hardware logic triggers relays automatically upon input trips.
Frequently Asked Questions
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Weight | 0.28 |
| Shipping Weight | 0.42 |
| Doors Supported | 4 |
| Readers Supported | 4 |
| Cpu | Cortex M3 72MHz |
| Memory | 128 KB Flash + 20 KB SRAM |
| Communication Interfaces | RS-485 (OSDP V2), Wiegand |
| Power Requirements | 12 VDC |
| Operating Temp | -20°C ~ 60°C |
| Dimensions | 130 x 90.5 x 35.8 mm |
| Tamper Detection | Yes |
| Stock | 2 |
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