✅ – Hold the camera to the bracket, connect wires, and check the indoor monitor first.
If an electric strike is wired up, press the door key icon button on the front of the handset to ensure the gate or door lock releases successfully. Troubleshooting Guide
Upgrade to thicker 0.8mm copper wire if your run exceeds 50 meters. Reversed wires on terminals 1 and 2.
Hold the bracket against the wall, mark the screw holes, drill the pilot holes, and insert the wall anchors.
: The manual clearly outlines the 2-wire connection for electric door locks. Note that for most standard setups, the door release button on the handset triggers the lock through these dedicated terminals. Key Specifications at a Glance Power Source AC 100-240V, 50/60Hz 2-wire (Door Station), 2-wire (Door Release) Max Distance 100m (Ø0.65mm) to 150m (Ø0.8mm) Surface Mount type with included bracket While functional, the instruction manual commax dp-ra01 installation manual
Insert the wires into the appropriate terminals (1 through 4) on the back of the handset according to your wiring plan.
Optional Lock Wiring: Connect the door release terminals on the DP-RA01 in series with an external power supply and your electric door strike.
For official documentation and diagrams, you can refer to the Commax Product Page or the comprehensive manual collection at Manuals+ .
Before beginning, ensure the power source matches the required rating. ✅ – Hold the camera to the bracket,
By following the steps and instructions in this guide, you should be able to successfully install your Commax DP-RA01 audio intercom. If you need further assistance, consulting with a qualified electrician or contacting Commax customer support directly is always the best course of action for any complex or unresolved installation issues.
Restore power to the DP-RA01 unit and the door lock power supply.
Before beginning the installation, review the core physical and electrical parameters of the COMMAX DP-RA01 Specification AC 100V – 240V, 50/60 Hz External power plug or internal hardwire connection Wiring to Door Station 2-Wire (Non-polarity) Easy connection from master room unit to entry panel Wiring to Door Release Requires an additional power supply for the lock mechanism Expandability Max 1 Door Station + 3 Handsets Configurable for internal intercom calls between rooms Compatible Door Units DR-201D, DR-2G, DR-2A2N, DR-2K, etc. Works with multi-button and surface-mount door panels Mounting Mechanism Surface Mount
Check AC/DC input voltage with a multimeter. Ensure power cord is seated. Reversed wires on terminals 1 and 2
Separate the metal or plastic wall-mounting bracket from the back of the DP-RA01 handset body.
outlet, which eliminates the need for an external DC power transformer in many configurations. Door Release Function
Do not run the intercom data lines parallel to high-voltage household AC power lines. Maintain a distance of at least 12 inches (30 cm) to prevent standard electrical hum or buzz. Step-by-Step Installation Guide
Would you like the or help with a specific error symptom (e.g., “no video but door opens”)?
Check the volume switch and ensure the wiring distance is within the specified limits.