ZKTeco AMT-AHEB-0808 OSDP I/O Expansion Board, 8-Input Supervised, 8-Relay Output

Optimize your access control and alarm systems with the ZKTeco AMT-AHEB-0808 OSDP I/O expansion board, engineered to increase I/O capacity and improve overall system reliability. This ZKTeco control panel board adds 8 supervised inputs—ideal for door contacts, motion sensors and tamper circuits—and 8 relay outputs to directly drive electric locks, sirens or auxiliary devices. Native OSDP support ensures secure, standardized communication with modern controllers and streamlines integration into existing access control and security networks.

Designed for commercial, campus and industrial environments, the AMT-AHEB-0808 delivers precise monitoring, fault detection on supervised zones, and dependable relay switching for both fail-safe and fail-secure applications. Its compact form factor and straightforward wiring reduce installation time and total cost of ownership while enabling centralized surveillance and alarm management. Whether expanding a single panel or scaling a multi-site deployment, this expansion board helps maintain uptime and simplifies system administration.

Upgrade your security infrastructure today—contact your ZKTeco reseller or request a quote to include the AMT-AHEB-0808 in your next access control or surveillance project.

• Expands existing access control panels with 8 supervised inputs to improve tamper detection and reduce false alarms
• Provides 8 relay outputs for direct control of locks, alarms, gates or auxiliary devices, simplifying system design
• OSDP-compatible interface for secure, reliable communication and easy integration with modern access control controllers
• Scalable, rack-friendly I/O expansion that minimizes downtime and lowers upgrade costs for enterprise and multi-site deployments
• Enhances centralized monitoring and surveillance by delivering real-time status and fault reporting to security management platforms