RJ-45接口信號(hào)定義，以及網(wǎng)線連接頭信號(hào)安排

以太網(wǎng) 10/100Base-T 接口:

Pin Name Description

1 TX+ Tranceive Data+ (發(fā)信號(hào)+)

2 TX- Tranceive Data- (發(fā)信號(hào)-)&nb sp;

3 RX+ Receive Data+ (收信號(hào)+)

4 n/c Not connected (空腳)

5 n/c Not connected (空腳)

6 RX- Receive Data- (收信號(hào)-)

7 n/c Not connected (空腳)

8 n/c Not connected (空腳)

以太網(wǎng) 100Base-T4 接口:

Pin Name Description

1 TX_D1+ Tranceive Data+

2 TX_D1- Tranceive Data-

3 RX_D2+ Receive Data+

4 BI_D3+ Bi-directional Data+

5 BI_D3- Bi-directional Data-

6 RX_D2- Receive Data-

7 BI_D4+ Bi-directional Data+

8 BI_D4- Bi-directional Data-

1 white/orange

2 orange/white

3 w/green

4 blue/w

5 w/blue

6 green/w

7 white/brown

8 brown/w

rj45接口采用差分傳輸方式，tx+、tx-是一對(duì)雙腳線，扭在一起，可以減少干擾。可看看以太網(wǎng)標(biāo)準(zhǔn)IEEE802.3