Suprema Secure I/O 2 Compact Secure Single Door I/O Module

The Suprema Secure I/O 2 Compact Secure Single Door I/O Module is a secure access control expansion module designed to provide encrypted door control for a single door when paired with compatible Suprema biometric readers and controllers. Its ultra-compact design, OSDP-compliant RS-485 communication, and secure relay interface make it an ideal solution for enhancing the security of commercial buildings, offices, data centres, educational institutions, healthcare facilities, and other restricted access environments.

Product Features

Encrypted Secure Communication

Provides highly secure door control through encrypted communication between Suprema devices, helping protect against unauthorized access and data interception.

Single Door Access Control

Designed to manage one door with secure relay control, making it ideal for single-door access control installations.

OSDP-Compliant RS-485 Communication

Supports OSDP Version 2 over RS-485, ensuring secure and reliable communication between connected access control devices.

Ultra-Compact Design

Measures only 36 × 65 × 18 mm, allowing installation inside electrical boxes, door frames, or secure enclosures where space is limited.

Two TTL Input Channels

Includes two TTL input channels for connecting door sensors, exit buttons, and other access control peripherals.

Built-In Relay Output

Features one relay output for secure door lock control, supporting electric strikes and magnetic locks.

Easy Installation

Compact form factor and simple wiring make installation quick and cost-effective for both new and existing access control systems.

High Reliability

Built with an industrial-grade Cortex-M3 processor for dependable performance in demanding security environments.

Broad Suprema Compatibility

Compatible with a wide range of Suprema biometric terminals, RFID readers, and BioStar access control systems.

Commercial-Grade Construction

Designed for continuous operation with durable components suitable for professional security installations.

Product Specifications

• Product Type: Secure Single Door I/O Module
• Brand: Suprema
• Model: Secure I/O 2 (SIO2)
• Application: Single Door Access Control
• CPU: Cortex-M3 72MHz
• Memory: 128KB Flash, 20KB RAM
• Communication Interface: 1 × RS-485
• Communication Protocol: OSDP Version 2 Compliant
• Input Channels: 2 × TTL Inputs
• Relay Outputs: 1 Relay
• Power Supply: 12V DC
• Maximum Current Consumption:5A
• LED Indicator: Multi-Colour Status LED
• Operating Temperature: -20°C to 50°C
• Storage Temperature: -40°C to 70°C
• Operating Humidity: 0%–80% Non-Condensing
• Storage Humidity: 0%–90% Non-Condensing
• Dimensions: 36 × 65 × 18 mm
• Weight: 37 g
• Certifications: CE, UKCA, FCC, KC, RoHS, REACH, WEEE, ETL Listed to UL 294
• Compatible Systems: Suprema BioStar Platform and Compatible Suprema Biometric Readers
• Applications: Commercial Buildings, Corporate Offices, Government Facilities, Educational Institutions, Hospitals, Data Centres, Warehouses, Manufacturing Plants, and High-Security Access Control Systems.