Doorking 1835-009 Control Board for Intercom Entry

Replacement Logic Board for Doorking 1835-089 and 1835-090 Systems The Doorking 1835-009 is a genuine replacement control board designed for the DoorKing 1835-089 and 1835-090 telephone entry systems, which are widely used in gated communities, commercial buildings, and high-security access points. Acting as the system’s core, this board enables secure intercom-based entry, credential management, relay control for gates and doors, and elevator integration—making it a critical component in perimeter access security. This board supports a range of advanced features, including programmable access schedules, anti-passback logic, and integration with Doorking’s Data over IP, cellular, or analog systems. It is compatible with a wide range of Wiegand devices and includes built-in support for elevator control and RS-232 connectivity. Note: Memory chip (P/N: 1830-404) is required but not included. Key Features Designed specifically for Doorking 1835-089 and 1835-090 entry systems Supports intercom and access control integration for secure entry management Memory chip not included (Order Doorking P/N: 1830-404 separately) Wiegand-compatible input and relay output support Manages up to 8,000 users and 3,000 resident entries Supports RS-232 PC programming and elevator control Compatible with Doorking Gate Tracker™ and 2358 Expansion Board UL 294 compliant with tamper protection and supervised connections Technical Specifications Model: 1835-009 Compatible Units: 1835-089, 1835-090 Power Requirement: 16.5 VAC (requires two 20 VA transformers) Memory Chip Required: Doorking P/N 1830-404 (not included) Relay Outputs: 3 onboard, expandable to 48 access points Inputs: Wiegand card readers, RS-232, telephone interface Mounting: Fits into existing 1835 enclosures Conclusion Built for access points that demand reliable voice-based entry and credential verification, the Doorking 1835-009 logic board restores full functionality to your 1835 access control system. With robust integration capabilities and support for high-traffic environments, it ensures secure perimeter control through intercom-assisted entry. Be sure to verify compatibility and purchase the required memory chip to complete installation.