Buy or DIY an 10 ft Ethernet Cable?

After reading this article, you can make your own network cable. Understand the principle of RJ45 plug to understand the principle of network cable(People who don’t want to see the principle jump right to the next paragraph.):

Buy a 10 ft ethernet cable or make an ethernet cable.

10 ft ethernet cable

RJ-45 function of each pin (10BaseT / 100BaseTX):

1, the positive pole of data transmission: Tx +

2, the negative pole of data transmission: Tx –

3, the positive pole of data reception: Rx +

4, standby (when 1,2,3,6 failure, automatically cut into the use of state)

5, standby (when 1,2,3,6 failure, automatically cut into the use of state)

6, the negative pole ofdata reception: Rx –

7, standby (when 1,2,3,6 failure, automatically cut into the use of state)

8, standby (when 1,2,3,6 failure, automatically cut into the use of state)

RJ-45 connector to achieve the card and cable connections. It has 8 copper pieces, which can be connected with the 4 pairs twisted pair in the network cable.

In 100M network 1,2 is to send data, 3,6 is to receive data. 1,2 is a pair of differential signals, their waveform is the same, but the phase difference of 180 degrees. The voltage amplitude at the same moment is opposite. This signal can be transmitted farther, anti-interference ability is also stronger. Similarly, 3,6 is the same as the differential signal.

Start making the 10 ft ethernet cable.

1.Strip off the outer layer of the network line 3cm, then sort the inside lines, the order of the color white orange, orange, white green, blue, white blue, green, white brown, brown Like this.

2.Insert the wire into the plug according to the original order, like this.

3. Finally, crimp the plug with a crimper so that the plug can be tightened to ensure that the color wire does not come off the inside of the plug. 10 ft ethernet cable production is completed



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