Netcomm NCT240 Manuel D’Utilisation

 

Following illustrates how the pins on the RJ-45 connector are numbered. Be sure to hold the 

connectors in the same orientation when attaching the wires to the pins. 

 

For 100BASE-TX/10BASE-T connections, a twisted-pair cable must have two pairs of wires. Each wire 

pair is identified by two different colors. For example, one wire might be red and the other, red with white 

stripes. Also, an RJ-45 connector must be attached to both ends of the cable. 

 

With 100BASE-TX/10BASE-T cable, pins 1 and 2 are used for transmitting data, and pins 3 and 6 for 

receiving data.   

1 Tx+ 

2 Tx- 

3 Rx+ 

6 Rx- 

 

Because the ports on the NCT240 support automatic MDI/MDI-X operation, you can use 

straight-through cables for all network connections to PCs or servers, or to other switches or hubs. In 

straight-through cable, pins 1, 2, 3, and 6, at one end of the cable, are connected straight through to pins 1, 

2, 3 and 6 at the other end of the cable. The table below shows the 10BASE-T/100BASE-TX MDI and 

MDI-X port pin outs.