Description
Multi-user voice door phone (4A ~ 8A)
1. Terminals 1, 2, 3, and 4 of the outdoor terminal (main unit) are connected separately to terminals 1, 2, 3, and 4 of the indoor terminal. The positive (+) terminal is connected to the positive (+) terminal of the power supply, and the negative (-) terminal is connected to the negative (-) terminal of the power supply.
Station 1 is connected to an open power source.
2. The power supply lock is connected to the electrical control lock. The red wire is connected to the positive (+) terminal and the black wire to the negative (-) terminal.
3. Station No. 5 of the internal station is linked to the corresponding number of external stations.
For example, Terminal 5 of Indoor Terminal 1 is connected to Terminal L1 of Outdoor Terminal.
4. The volume of the indoor and outdoor units can be adjusted using the knob on the back of the outdoor unit. (Outdoor volume setting).
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