COMMAX fits modern homes with advanced smart home security solutions, specializing in video intercoms, door phones, and digital door locks.
Established in 1968, COMMAX Co., Ltd. is a South Korean electronics manufacturer recognized globally for its expertise in home automation and security communications. The company offers a wide array of products designed to enhance residential safety and convenience, including video door phones, audio intercom systems, smart digital door locks, and nurse call systems.
COMMAX integrates cutting-edge technology such as AI and IoT into their smart home platforms, providing users with seamless connectivity and control over their living environments. With a strong presence in over 120 countries, COMMAX continues to lead the market in creating secure and intelligent home solutions.
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Many COMMAX video door phone systems use a 4-wire polarity configuration, while simpler audio-only units often use a 2-wire non-polarity system. Always check the specific wiring diagram in your user manual.
Reset procedures vary by model, but generally involve pressing a registration button on the inner body while the door is open and entering a specific code sequence. Consult your model's CDL series manual for the exact steps.
Check if the volume switch (usually located on the side of the unit) is turned down. Also, ensure the wiring connections between the master unit and the door station are secure and free of corrosion.
Most COMMAX door cameras are designed for outdoor use but should be installed with a rain shield or in a sheltered location to prevent direct exposure to heavy rain and moisture, which can cause electrical shorts.
The model number is typically printed on a product label located on the bottom, back, or side of the main monitor unit or door station housing.