42Preparations11 Preparationsz Connector : RJ45Direct LAN cable (PC to HUB)Cross LAN cable (PC to PC)Signal P1 P2 SignalTX+ 1 <--------> 1 TX+TX- 2 <--------> 2 TX-RX+ 3 <--------> 3 RX+RX- 6 <--------> 6 RX-Signal P1 P2 SignalTX+ 1 <--------> 3 RX+TX- 2 <--------> 6 RX-RX+ 3 <--------> 1 TX+RX- 6 <--------> 2 TX-RJ45 MDC RJ45 MDCHUBP1P1P2P2RJ45 MDC P1 P2