D-Link DFE-650 Series User Manual page 23

DFE-650 Series Fast Ethernet PC Card User's Guide
650 and the supporting hub is 300 ft. The cable must be " straight"
(not a " crossover" cable) with RJ-45 plug at each end. Make the
network connection by plugging one end of the cable into the RJ-45
receptacle of the DFE-650, and the other end into a port of the
supporting hub.
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Hardware Installation