Intercom Auerswald TFS-Dialog 312 — 2-button audio door station, model 90056

Auerswald TFS-Dialog 312 — 2-button audio door station model 90056 is an entry control device designed for residential and small commercial entrances. The unit provides two distinct call buttons for contacting separate apartments or zones, a built-in microphone and loudspeaker for two-way audio communication, and wired integration with compatible Auerswald systems for centralized call handling and access management.

Advantages

The device offers straightforward two-button operation to reach two destinations independently, reliable audio clarity for visitor-resident conversations, and robust housing suitable for outdoor mounting. Integration capability with Auerswald PBX and access control systems enables remote answering and door release. The compact footprint and simple wiring make installation and maintenance efficient for installers and building managers.

Suitable for

• Multi-tenant residential buildings with two apartments per entrance
• Small office or retail entrances requiring visitor screening
• Accessory entrances and service doors where two separate call points are needed
• Retrofit projects replacing single-button intercoms with a 2-call solution

Key specifications

• Two call buttons for independent calling of two destinations
• Audio handsfree communication with integrated microphone and loudspeaker
• Wired connection for integration with compatible control systems
• Weather-resistant housing suitable for external mounting
• Compact dimensions for mounting in standard door station locations

How to use

Mount the Auerswald TFS-Dialog 312 at the entrance location using appropriate fixings and route the required wiring to the building’s Auerswald control system or PBX according to the manufacturer’s installation guidelines. Connect the device to power and the control bus, and configure the two call buttons to the intended subscriber numbers or zones in the connected system. During normal operation a visitor presses the relevant button to call the assigned apartment or zone; the resident answers via the connected base station or phone, conducts an audio conversation, and, if required, activates door release through the integrated control interface.

Usage recommendations

For reliable performance, install the unit under a protective overhang where possible, follow Auerswald wiring and grounding instructions, and verify compatibility with the building’s Auerswald PBX or access controller before installation. Periodic visual inspection and cleaning of the microphone and speaker openings will help maintain clear audio.