Dual Reader / Two-Door Access Control Interface
📌 Overview
The Mercury MR52 Interface Module is a reader and I/O interface module designed to control up to 2 doors and integrate seamlessly with the Genetec Synergis™ access control system.
It connects to Mercury intelligent controllers over RS-485 communication and reports all activity in real-time to the Synergis Cloud Link and Security Center environment.
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🚀 Key Features
- Controls 1 or 2 doors
- Supports up to 4 OSDP readers
- Real-time event reporting
- RS-485 high-speed communication
- Supports OSDP v1 & v2
- UL 294 recognized
- Supervised inputs for enhanced monitoring
- Flexible I/O configuration
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⚙️ Interfaces & I/O
🔹 Readers
- 2 reader ports
- Supports entry & exit readers per door
- Compatible with OSDP readers
🔹 Inputs
- 8 programmable general-purpose inputs
- 2 dedicated inputs:
- Tamper
- Power monitoring
🔹 Outputs
- 6 relay outputs (Form C)
- Rated 5A @ 30V DC
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🧠 System Architecture
The MR52 operates as part of a layered access control system:
- Connected to Mercury Controllers (LP1501 / LP1502 / LP2500 / LP4502)
- Communication via RS-485 bus
- Managed through Synergis Cloud Link (IP)
- Integrated into Genetec Security Center
👉 The architecture diagram on page 2 shows how MR52 modules connect downstream from controllers and link to the IP network via Cloud Link.
🌐 Integration with Genetec
The MR52 is fully compatible with:
- Genetec Security Center
- Synergis™ IP Access Control
- Synergis Cloud Link appliance
This allows:
- Centralized monitoring
- Real-time control
- Scalable system expansion
📊 Technical Specifications
| Parameter | Specification |
|---|---|
| Doors Supported | Up to 2 |
| Readers | Up to 4 OSDP |
| Communication | RS-485 (2-wire, up to 4000 ft) |
| Inputs | 8 + 2 dedicated |
| Outputs | 6 relays (Form C) |
| Operating Temp | 0°C to 70°C |
| Storage Temp | -55°C to 85°C |
| Dimensions | 152 × 203 × 25 mm |
| Certifications | UL 294, CE, RoHS |
🔒 Reliability & Compliance
- UL 294 recognized hardware
- Industrial-grade design
- 24-month warranty
- Designed for secure, non-proprietary deployments
🏢 Typical Use Cases
- Commercial buildings
- Access control expansion projects
- Multi-door secure environments
- Integration with existing Mercury infrastructure
⚠️ Installation Notes
- Must be connected to a Mercury Intelligent Controller
- Requires RS-485 termination best practices
- Ensure proper power supply and grounding
- Recommended to use OSDP secure channel