The installation of a split microwave system is typically divided into two main sections: the indoor unit and the outdoor unit. While the indoor part is similar to installing a standard box-type device, the focus is usually on the outdoor installation. The outdoor section primarily involves setting up the antenna and the Outdoor Unit (ODU). This process can be further categorized into two types: straight-button installation and separate installation.
In a straight-button setup, there is no need for a feeder cable. The ODU is directly connected to the antenna, making it a simpler and more compact configuration. On the other hand, a separate installation uses a feeder cable to link the ODU with the antenna, which is often necessary when there is a longer distance between the two components.
During the adjustment of the antenna's pitch or horizontal alignment, the goal is to find the maximum voltage position, which corresponds to the main lobe direction of the signal. Once this point is identified, there is no need for a large-scale adjustment in that direction. Instead, the antenna should be finely tuned to reach the maximum voltage point. The process of adjusting both the pitch and level is essentially the same.
If the antenna pair is not aligned correctly, you may only detect a small voltage in one direction. In such cases, it’s important to first perform a coarse adjustment to roughly align the antennas at both ends. After that, fine-tuning can be done to achieve optimal signal strength. Throughout the entire adjustment process, it’s crucial to monitor the received signal and make precise changes to ensure the best possible performance of the microwave link.
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