POE交換機如何達到250米傳輸距離?

详情描述：

通常，高性能的POE交換機100M滿載穩定傳輸也只能到達120米左右，但如果將速率下降到10M，即傳輸帶寬10M，傳輸距離就可以延長到250米(視網線質量而定)，但這種方法並不適合監控圖像的高清流暢傳輸。
此外，並不是所有POE交換機只要降低到10M帶寬就能輕鬆地傳輸250米，這還需要看交換機的質量。如果交換機內部交換芯片自適應能力太差、電源芯片管理能力不強，即便強制10M傳輸，也不能保證250米穩定傳輸，甚至連150米也達不到。
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How does a POE switch reach a transmission distance of 250 meters?
Generally, a high-performance POE switch with 100M full-load stable 
transmission can only reach about 120 meters, but if the rate is reduced to 10M, 
that is, the transmission bandwidth is 10M, the transmission distance can be 
extended to 250 meters (depending on the quality of the network cable), but The 
method is not suitable for monitoring the smooth and smooth transmission of 
images.
In addition, not all POE switches can easily transfer 250 meters as long as 
they are reduced to 10M bandwidth, which also depends on the quality of the 
switch. If the internal switch chip's self-adaptive capability is too poor and 
the power chip management capability is not strong, even if 10M transmission is 
forced, it cannot guarantee stable transmission of 250 meters, even 150 
meters.
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