When make a Fast Ethernet network environment , besides the 100Mbps Hub, Please note the maximum network distance and the cable. The maximum network distance is only 205 meters and only allows two non-stackable Hubs connected together. about the cable Please choose the EIA 568B as shown below, and choose category 5 UTP cable. Pin 1 White/Orange Pin 2 Orange/White Pin 3 White/Green Pin 4 Blue/White Pin 5 White/Blue Pin 6 Green/White Pin 7 White/Brown Pin 8 Brown/White