The DPRA01 uses a 6- to 8-pin terminal block. The manual provides a chart like this: | Pin | Label | Function | | --- | --- | --- | | 1 | +12V | Power input (12V DC) | | 2 | GND | Ground | | 3 | COM | Common relay for lock | | 4 | NC | Normally closed lock control | | 5 | NO | Normally open lock control | | 6 | SW | Door sensor input | | 7 | BELL | External bell button | | 8 | TX/RX | Data line to monitor (if applicable) |
COMMAX strongly recommends a bench test before mounting:
Only then should you route the cables through the wall and mount the unit. commax dpra01 installation manual link
If you’ve recently purchased a COMMAX DPRA01 video door phone (also known as a video intercom or door camera unit), the first thing you’ll need to get it working is the installation manual. However, finding the official commax dpra01 installation manual link online can sometimes be frustrating—especially when manufacturer websites change their PDF locations or when you’ve lost the physical copy that came in the box.
In this article, we’ll provide you with everything you need: The DPRA01 uses a 6- to 8-pin terminal block
Let’s dive in.
Once you secure the commax dpra01 installation manual link and open the PDF, here is a summary of the critical sections you should study first: Only then should you route the cables through
The DPRA01 output relay is rated for 2A at 24V DC. The manual warns that using an electric strike with a higher inrush current will weld the relay contacts. It lists approved strikes (e.g., HES 1006, Securitron 32 Series).
In a multi-dwelling unit, you must set the DPRA01’s address. The manual includes a binary table. For example:
The manual recommends connecting a magnetic contact (NC type) to the SW input. If you skip this, the auto-relock timer may not function, leaving the door unsecured after closing.