(With the increase of monitoring points of network video monitoring system, the field of generic cabling is facing many challenges, which are mainly reflected in the following aspects: (1) cumbersome cabling: it requires a lot of human and material resources; (2) Weak expansibility: due to some reasons, the reserved ports of the original wiring are not enough, and adding new users will encounter problems such as cumbersome cable rearrangement, long construction cycle, etc^\^)
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