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Knowledge Base

FAQ-How Long Is the Maximum PoE Power Supply Distance

Publication Date:  2019-07-04  |   Views:  1110  |   Downloads:  0  |   Document ID:  EKB1000079115


Issue Description

How Long Is the Maximum PoE Power Supply Distance?


Based on IEEE802.3af and IEEE802.3at, Category 5 cables provide a maximum of 100 m power supply distance.

The actual maximum transmission distance is related to the DC resistance of a network cable. A good-quality network cable is recommended.