Visual intercom, also known as video doorbell, is a modern, well-off residential service measure that provides two-way video calls between visitors and residents. When in use, the resident hears the ring tone and accepts the visitor's call through the downstairs entrance host to conduct a dialogue. At the same time, the visual extension in the household can receive video images through the downstairs host camera to confirm the identity of the visitor to determine whether to allow the visitor. enter. Visual intercom can improve the overall management and service level of residential buildings and create a safe community living environment. Therefore, it gradually becomes an indispensable auxiliary equipment for well-off housing. There are many brands of visual walkie-talkies, today Xiaobian introduced to everyone is the market is very good Anjubao visual intercom, the next Xiaobian simple introduction to the Anjubao video intercom instructions related knowledge.
[Anjubao Visual Intercom System Working Principle]
The work of each terminal equipment is coordinated under the command of the network switch. The terminal equipment is communicated through communication signaling. From the physical layer, it is connected through network cables (buses). At present, the more popular fieldbuses are RS485 bus, CAN bus, Lonwork, etc. The RS485 bus is the most cost-effective one. Without relaying, it can transmit 1200m at 9600BPS communication speed, and the performance is stable and reliable. The smart intercom system uses this bus networking. The connection between the host and the decoder is called the main trunk of the building. The number of cable cores used is different for different manufacturers. For example, the Hui Ruitong R2 system uses a four-core cable, and its function is: the two cores are audio cables. The core is a video intercom line. When a wall machine or a host (secondary machine) calls a resident, the line intercom is used, and the other core is a non-visual intercom line. When the total management machine, sub-management machine or ridge management machine Intercom with this line when talking to households. Due to the two-wire intercom line, the intercom dual channel is realized, which reduces the chance of busy. The remaining two cores, one for GND, and the other for data communication lines, such as unlock, alarm, etc., use this line to transfer information.
[Anjubao Visual Intercom Extension Manual]
Button instructions:
a, hands-free key: used to call in the wall machine, cell door machine or management machine call.
b. Unlocking key: It is used to control the unlocking of the host during the call with the wall machine or unit. When the extension alarms, press the “Unlock†button to turn off the siren sound.
c, management office key: for the call management office, in the standby state, press the "management office" button to monitor the lobby entrance machine image, press again to exit monitoring.
d. Image adjustment potentiometer (contrast adjustment button, brightness adjustment button): used to adjust the contrast and brightness of the extension monitor image.
e. Setting keys (Setting, â†0, →1, ↑2, ↓3): Used for the function setting of the extension.
f, volume adjustment potentiometer: used to adjust the size of the extension call sound, left to small, right to large.
g, instructions for each function lamp:
The function of the hands-free light (green light):
When the handsfree light (green light) is on, it indicates that the machine is in the state of being raised; when the handsfree light (green light) is flashing, it indicates that there is a device call.
Unlock light (yellow light) function:
Busy light (red light) function: The extension presses the “Unlock†button during a conversation with the door phone, and the yellow light flashes once, indicating that the electric lock is opened.
Xiaobian conclusion: The above simple introduction to the content of the Anjubao video intercom manual , when you buy a video intercom, you must carefully read the set instructions and usage methods before you can bring convenience to your next job . For more relevant knowledge, please continue to pay attention to this website information platform.
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