network, howto cabling rj45 network cable Transmit (1 & 2) Receive (3 & 6) Pins 4,5,7 and 8 are not used. Straight-Through: Pin 1 ==> Orange/White Pin 2 ==> Orange Pin 3 ==> Green/White Pin 4 ==> Blue Pin 5 ==> Blue/White Pin 6 ==> Green Pin 7 ==> Brown/White Pin 8 ==> Brown Wire Becomes 1 ==> 1 2 ==> 2 3 ==> 3 6 ==> 6 Crossed-Over: Pin 1 ==> Orange/White Pin 1 ==> Green/White Pin 2 ==> Orange Pin 2 ==> Green Pin 3 ==> Green/White Pin 3 ==> Orange/White Pin 4 ==> Blue Pin 4 ==> Blue Pin 5 ==> Blue/White Pin 5 ==> Blue/White Pin 6 ==> Green Pin 6 ==> Orange Pin 7 ==> Brown/White Pin 7 ==> Brown/White Pin 8 ==> Brown Pin 8 ==> Brown Wire Becomes 1 ==> 3 2 ==> 6 3 ==> 1 6 ==> 2 You can also use 4-wired phone cable, but the speed will probably be less than 10-mbit. Use rj45 connectors, and connect connectors number 1,2,3,6, using phone cable.