is a high-quality, audio-only handset designed to provide reliable communication between a home or office and an external door station . Part of Commax’s popular interphone series, the
Ensure your packaging includes the following items before discarding the box: Commax DP-RA01 Handset Base & Receiver Wall Mounting Bracket (Metallic or Plastic) Mounting Screws and Wall Anchors (2x) User/Installation Leaflet Safety and Installation Precautions
Before mounting or cutting into walls, verify that your site conditions align with the factory requirements of the DP-RA01:
The is a wall-mounted room unit (handset) designed for single-house doorphone systems. It primarily functions as an intercom to communicate with a door station and control an electronic door release. Pre-Installation Safety Guidelines commax dp-ra01 installation manual
Check Terminal 4 connection. Ensure the door release button clicks physically. The coming out of your wall. Any specific issues you are experiencing during setup.
The Commax DP-RA01 system typically comes as a set designed for single-family homes. The "M" version (Master) connects directly to AC power and interfaces with the external door station, while the "S" version (Slave) is a secondary handset.
: Connect two wires from the door station (DR-2K) to terminals 1 and 2 on the back of the DP-RA01M master station. Master to Sub-Station (Optional) is a high-quality, audio-only handset designed to provide
Insert the wires into the appropriate terminals (1 through 4) on the back of the handset according to your wiring plan.
Before starting any installation, it is critical to understand the safety guidelines to prevent damage to the equipment or injury:
This comprehensive installation manual provides step-by-step instructions, wiring diagrams, and troubleshooting tips to ensure a successful installation. Technical Specifications Any specific issues you are experiencing during setup
: Connect the electric strike or gate control to the designated relay terminals (often marked as 5 and 6 or L1/L2) on the master station. Attach the Handsets
Always turn off the main power supply to the intercom distributor before handling wires to prevent short circuits.
✅ – Reversing power can fry the unit. Commax units are sensitive to reverse voltage.
Choose a location away from excessive humidity, direct sunlight, or heat sources. Attach the Bracket:
The Commax DP-RA01 is a reliable, analog audio door phone handset designed for secure residential and commercial communication. It operates as a duplex indoor unit, pairing seamlessly with Commax outdoor door stations to provide clear audio intercom capabilities and remote door-release functionality.