Commax Dp-ra01 Installation Manual May 2026

The DP-RA01 does not include a power brick. You must provide:

If using a shared power supply for multiple monitors, calculate total load. For 4 units: 4 x 500mA = 2A minimum.

A common mistake is using an undersupplied power source, causing intermittent buzzing or the call button to fail.

The COMMAX DP-RA01 is a versatile 1-to-2 audio doorphone system designed for residential use. It features two handsets—a master unit (DP-RA01M) and a sub-unit (DP-RA01S)—that allow for internal communication as well as visitor identification and remote door release. Technical Specifications Power Source AC 100-240V, 50/60Hz Wiring (Door Unit) 2 wires (non-polarity) Wiring (Inter-unit) 6-wire or 8-wire connection between handsets Wiring (Door Lock) 2 wires from the handsets to the electric strike Transmission Distance 100m (0.65Ø) or 150m (0.8Ø) Dimensions Approx. 107(W) x 195(H) x 39(D) mm Mounting Type Wall surface mount Installation Steps 1. Preparation and Safety

The COMMAX DP-RA01 is a surface-mount room station designed for simple two-wire audio communication with a door station. Key Specifications Power Source: AC 100–240V, 50/60Hz. Wiring: Door Station: 2 wires (non-polar). commax dp-ra01 installation manual

Door Release: 2 wires (requires an additional power source for the electric lock).

Distance: Effective up to 100m (using 0.65mm wire) or 150m (using 0.8mm wire).

Compatible Door Stations: DR-2G, DR-2A2N, DR-2A3N, DR-2AN, DR-201D, DR-2K, DR-206, and DR-201A. Installation Steps

Mounting the Bracket: Secure the wall-mount bracket to your desired location using the provided screws. Wiring Connections: The DP-RA01 does not include a power brick

Connect the two wires from the door station to the designated terminals on the back of the DP-RA01.

If installing an electric door lock, connect the two lock wires to the "Door Release" terminals. Note: The lock typically requires its own power supply.

Attaching the Unit: Align the grooves on the back of the handset with the hooks on the bracket. Slide the unit down firmly to lock it into place.

Powering Up: Plug the AC power cord into a standard outlet. Avoid handling the plug with wet hands to prevent electric shock. Operation Guide If using a shared power supply for multiple

Commax DP-RA01 is a 1-to-2 audio intercom system notable for its flexible installation options and simplified 2-wire connectivity for basic functions. Key Installation Features Flexible Mounting : The unit is designed for both wall mounting , allowing you to choose the best placement for your space. Simplified 2-Wire Connection

: It uses a standard 2-wire system from the master handset to the door unit, which simplifies the wiring process. Expandable System : The setup supports one door station with two room stations , making it ideal for multi-room communication. Door Release Integration : It includes a dedicated electric door-key release button on the handset to remotely unlock doors. Xylophone Chime

Title: Installation Guide and Technical Reference: Commax DP-RA01 Rainproof Outdoor Station

Document Type: Informative Technical Paper Subject: Installation, Wiring, and Configuration of the Commax DP-RA01

| Symptom | Likely Fix | |---------|-------------| | No video | Check 12 V power polarity; verify video wire continuity. | | No call signal | Swap or reseat A/B audio wires. | | Poor night vision | Clean IR lens; ensure no reflective surface nearby. | | Button stuck | Check for debris; loosen mounting bracket slightly. |