| Door / Reader Configuration | 4 Door / 8 Reader Access Controller |
| CPU | ARM Cortex M33 32-bit microcontroller |
| Memory | 16 MB flash |
| Storage of Card Holder | 30,000 card holders |
| Transaction Storage Capacity | 65,000-time stamped event storage capacity |
| Communication | 10/100 Base-T RJ45 ethernet interface (TCP/IP) with status LED indications |
| Serial Interface | RS 232, RS 485 |
| Reader Interface | Weigand reader |
| Lock Interface | 4 potential free changeover relays, contact rating 3A/30V DC, support both fail safe & fail secure lock assemblies |
| Digital Inputs | Optically isolated inputs for 4 door sensors, 4 exit switch & 8 general purpose digital inputs |
| Digital Outputs | 4 General purpose relay outputs |
| Watchdog | Inbuilt watchdog supervisor |
| Power Supply | 220v-250V with 3.2 AH priority battery for back up |
| Power Protection | High I/O isolation, over-current, over-voltage protection, Reverse polarity protection on controller |
| Operating Temperature | -20 to 60 C |
| Humidity | 0% to 98% without condensing |
ACCESS CONTROLLER
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Touchless Access
Configure access via Bluetooth — no need to reach the controller.
Dual-Layer Security
Encrypted reader–controller communication stops spoofing.
ADVANCED SECURITY
Built-in anti-passback, threat alert and tamper detection.
INTRODUCTION TO ACCESS CONTROLLER
Sterna 2 Door / 4 Door Controllers brings complete access control solution. Door / Reader Interface connects access control card readers via Wiegand. Bluetooth based configuration of Controller brings in flexibility and convenience. Controllers communicates with the system host via industry standard TCP/IP protocol over 10/100 Mbps Ethernet or the Internet. Selyek STAAMP Time, Attendence & Access Management platform a powerful web-based platform designed to manage time, attendence, access, and user activity across multiple locations.
IP systems enabled
Web Based Application
Enclosure for Controller
4 Door 8 Reader / 2 Door 4 Reader
ACCESS CONTROLLER ENCLOSURE
2 Door / 4 Door Access Controller
The Sterna Access Controller offers powerful and scalable access management, supporting configurations for 2 doors / 4 readers and 4 doors / 8 readers. It ensures precise control over every entry and exit point with integrated readers, locks, and switches — delivering real-time monitoring, secure operation, and seamless integration with your facility’s security network.
Protected Enclosure for Controller
The Sterna Access Controller is housed in a durable and secure enclosure that protects both the controller and power supply unit. This design ensures all electronic components remain shielded from dust, tampering, and accidental damage — providing long-lasting reliability and consistent performance in any environment.
CONTROLLER
| 2 Door Access Controller Data Sheet | |
| 4 Door Access Controller Data Sheet |
