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RJ-45接口信号定义
wilton_gao 发表于 2008/9/30 18:20:59 991 查看 2 回复 [上一主题] [下一主题]
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以太网 10/100Base-T 接口:
Pin Name Description
1 TX+ Tranceive Data+ (发信号+)
2 TX- Tranceive Data- (发信号-)&nb sp;
3 RX+ Receive Data+ (收信号+)
4 n/c Not connected (空脚)
5 n/c Not connected (空脚)
6 RX- Receive Data- (收信号-)
7 n/c Not connected (空脚)
8 n/c Not connected (空脚)
以太网 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接口采用差分传输方式,tx+、tx-是一对双脚线,牛在一起,可以减少干扰。可看看以太网标准IEEE802.3