Doorbird 423867789 Intercom Accessory Module

Product Description

The DOORBIRD 423867789 is an intercom accessory module designed for use with compatible DOORBIRD door station and intercom systems. This component serves as a modular add-on, expanding or supporting the core functionality of the host intercom unit. Installation is typically performed by low-voltage technicians or security system integrators familiar with access control and door communication equipment. The part ships as a single unit and is suited for residential and light commercial intercom installations where system expansion or replacement of an existing module is required.

This accessory module is intended for use within DOORBIRD intercom system configurations, specifically those compatible with the D1101KH door station platform. It is deployed in applications where a modular component must be added or swapped to restore or extend system operation. Installers working on structured wiring, access control, or IP-based door communication systems will find this part relevant to service calls involving DOORBIRD-brand equipment.

Key Features

• Modular design allows targeted replacement or expansion within compatible intercom systems
• Sold as a single unit for precise, one-for-one service replacement
• Designed for use within the DOORBIRD D1101KH door station platform
• Appropriate for residential and light commercial access control applications

Compatibility

Designed as a modular accessory component for use with DOORBIRD D1101KH series door station and intercom systems. Confirm compatibility with the specific host unit before installation.

Installation Notes

Installation should be performed by a qualified low-voltage technician or access control professional. Power down the host intercom system and disconnect any associated power supply before removing or installing this module. Follow the door station manufacturer service documentation for module seating and connection procedures. Local building and low-voltage wiring codes may apply depending on jurisdiction.