Commax Dp-ra01 Installation Manual May 2026

If you accidentally downloaded a DP-RA02 manual, stop. The DP-RA02 is a 4-wire, multi-apartment call system with a different button layout. The DP-RA01 is simpler, lacking the “House” and “Sub” call buttons.

Always confirm your model number on the back sticker before proceeding.


If you have purchased a Commax DP-RA01 video door phone (intercom) or moved into a new apartment equipped with one, finding a clear, concise installation manual is your top priority. The Commax DP-RA01 is a popular 4-wire audio/video door entry monitor known for its slim profile and reliable performance. commax dp-ra01 installation manual

However, the official manual can often be lost or filled with technical jargon. This article serves as a detailed Commax DP-RA01 installation manual, covering wiring diagrams, terminal identification, DIP switch settings, monitor mounting, and troubleshooting.

Important Disclaimer: This guide is for informational purposes. Always disconnect power from the main supply before handling electrical wiring. If unsure, consult a licensed electrician. If you accidentally downloaded a DP-RA02 manual, stop


Before diving into installation, it’s crucial to understand what you’re working with. The Commax DP-RA01 is a 7-inch TFT-LCD color video monitor used in multi-tenant buildings (apartments) and single-family homes. It connects to a door camera (like the Commax DPV-4HU or similar) and an electronic door strike.

Key Features:


The most critical part of the commax dp-ra01 installation manual is the wiring. On the back of the monitor, you will find a 4-pin terminal. Each pin has a specific function.

| Terminal Label | Color Code (Standard) | Function | Typical Connection | | :--- | :--- | :--- | :--- | | + | Red | +12V DC Power | Power Supply Unit (PSU) + | | V | Yellow/White | Video Signal | Door Camera Video Out | | A | Green | Audio / Call Signal | Door Camera Audio & Call | | C | Black | Common Ground (GND) | PSU - & Camera GND | Always confirm your model number on the back

Important Note: The DP-RA01 does not generate its own power. It requires a separate 12V DC power supply (usually a Commmax DRC-12 or similar) or power from a central apartment distribution board.


  • Bring cable through the wall or surface conduit to the mounting location.