The back of the DP-RA01 features a terminal block. Follow this standard wiring logic:
Run your pre-installed low-voltage signal cables through the center cutout of the metal mounting bracket.
Connect two dedicated low-voltage lines from the DOOR RELEASE terminals directly to your external door striker mechanism or electronic gate latch relay. Inter-Handset Linking (For 1-to-2 Layouts): When integrating a secondary sub-room station (such as the Go to product viewer dialog for this item.
Route separate low-voltage lines from the door kit directly back to the auxiliary terminal links located behind the master chassis. When a user triggers the physical key button on either handset, it closes the loop on this contact point to actuate the entryway strike. 5. Power Engagement and Live Testing
Ensure signal wires do not run parallel to 110V/220V household lines. Use shielded cabling. Improper voltage or loose contact at the lock terminal. commax dpra01 installation manual link
Verify that the power cable is securely connected to the AC power outlet.
To ensure a seamless installation process, gather the following tools and prepare the mounting location: Required Tools Phillips-head screwdriver Wire strippers and cutters
Connect the wires to the terminal block on the back of the unit.
What (e.g., DR-201D) are you pairing it with? Do you have a sub-station handset connected? The back of the DP-RA01 features a terminal block
Email support@commax.com with “Request: Installation Manual for DPRA01” in the subject line. Include your device’s serial number (found on a sticker on the rear PCB). They will typically email you a PDF within 24-48 hours.
installation manual and a detailed walkthrough of the installation and configuration process for this popular doorphone system. The Commax DP-RA01 Go to product viewer dialog for this item. (often referenced in documentation as Go to product viewer dialog for this item.
Before final mounting, do a quick test. Plug the SUB station into AC 230V. Both room units should power on. Press the door button to test the ring, then pick up a handset to test the audio.
The DP-RA01 is part of Commax's single-house door phone line, typically featuring a surface-mount plastic body. Once the physical installation is complete
✅ – the terminal layout differs slightly from older Commax cameras (e.g., DPRA02). Without it, you risk shorting the audio line to power.
Once the physical installation is complete, test the system functionality:
The electric door strike is controlled from the room station, not the master. The door release button on any room unit sends a signal to the SUB unit, which then triggers the lock connected to its dedicated 2-wire terminals.