The role of outdoor PoE switch is essential in security engineering applications. But in the actual application process, often also has the question.
In view of this situation, some attention items should be taken into consideration before construction, so as to reduce the maintenance of follow-up projects.
1, network requirements
The lower the impedance of the network cable, the farther the transmission distance, so first of all to ensure the quality of the network, recommend the use of ultra five types of cable.
2, PoE standard
To ensure the transmission distance of the PoE switch, it depends on the output voltage of the PoE power supply, as high as possible within the standard (44-57V DC), and the output voltage of the PoE switch port must meet the IEEE802.3af/at standard.
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