DoorKing 1871010 DoorKing 1871-010 Circuit Control Board Only, Revision or Higher

Restore secure, dependable entry control for residential intercom installations with the DoorKing Systems 1871-010 access control circuit board. This control/logic board (model 1871010) is designed specifically for the 1812 Classic Telephone Entry System and provides a straightforward replacement path—reducing on-site troubleshooting and equipment downtime. As a Revision or Higher board, it maintains compatibility with existing wiring and system configurations while delivering consistent performance for gate control, monitoring and intercom security.

Engineered by Lee Dan Communications and built to DoorKing Systems quality, the 1871-010 supports essential access control functions that integrators and property managers rely on for everyday security and surveillance. Its compact design and familiar connections make installation fast, helping service teams get systems back online quickly. Ideal for service technicians, property managers, and security integrators, this control board improves long-term reliability and simplifies maintenance of residential telephone intercom systems. Upgrade or replace your existing 1812 Classic control logic with confidence—order the DoorKing 1871-010 circuit control board today to restore secure access and uninterrupted monitoring.

• Restores reliable residential access control quickly with a drop-in replacement for 1812 Classic telephone entry systems
• Built to DoorKing Systems standards (model 1871010) for consistent security and monitoring performance
• Simplifies service and maintenance with a direct control/logic board swap—minimizes downtime for gates and intercoms
• Compatible with Revision or Higher boards to ensure forward compatibility and reduced upgrade complexity
• Manufactured by Lee Dan Communications for proven durability in low-voltage access control and surveillance environments