Connecting the NIC to the Network 294 Replace the PC cover and plug in the power cord.Do not turn on the power to the PC. The next step is toconnect the NIC to the network. Go to the next section,“Connecting the NIC to the Network.”Connecting the NIC to the NetworkFollow the procedure for the port that matches your NICand your network environment.RJ-45 PortOn the 3C900B NIC, the RJ-45 port provides a 10 Mbpsconnection only.On the 3C905C-TX-M and 3C905B NICs, the RJ-45 portprovides a 10 Mbps or 100 Mbps connection automatically,depending on the speed of the connected hub or switch.