These are dry-contact relay terminals used to actuate an electric door lock or gate opener. Step-by-Step Wiring Connection

Insert the wires into their respective screw terminals based on your building's wiring schema.

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Use polarized, 2-core wire to connect the door station to the room station.

If your intercom system does not operate correctly upon installation, use this matrix to diagnose and fix the issue. Potential Cause Actionable Solution Defective AC input or loose wiring.

Choose an entry position shielded from heavy, direct rainfall or extreme sunlight.

Do not install the product in areas exposed to direct sunlight, high humidity, or extreme cold. 2. Product Overview & Contents system typically consists of two main parts: Room Station (DP-RA01): The handset unit located inside.

Once all physical connections are complete, switch the main AC power back on to test the system functionality.

Now, let’s get it on the wall.

The DP-RA01 is designed to work with various Commax outdoor door stations, including: : DR-2G , DR-2K , DR-201D , and DR-2A2N . Key Specifications Feature Power Source AC 100-240V, 50/60Hz Wiring 2-wire (Door Station), 2-wire (Door Release) Mount Type Surface mount Functions Audio talk with visitor, door release button User Manual

These connect directly to the corresponding Terminals 1 and 2 on your Commax outdoor door unit (e.g., DR-201D or DR-2K). This line carries both bidirectional audio signals and power to the outdoor panel.

Double-check that terminal 1 on the door phone goes to terminal 1 on the handset, and 2 goes to 2. Broken circuit loop or insufficient lock power.

Have an assistant press your apartment number on the outdoor lobby panel. The DP-RA01 should emit a clear electronic chime.

Optional, allowing unlocking from the handset. 3. Installation Steps for DP-RA01 Handset Follow these steps to mount the Commax DP-RA01 inside your home or office: 1. Identify the Mounting Position

The indoor unit for calling and speaking.