本文主要用于查询网络传输过程中，线路线序的几种规则
Ethernet EIA/TIA-568A/B
| pin | Pair | Pair | Signal | Signal | |||
|---|---|---|---|---|---|---|---|
| T568A | T568B | 10/100Base-T | 1000Base-T | Wire | T568A | T568B | |
| 1 | 3 | 2 | TX+ | BI_DA+ | +/tip | 绿白 |
橙白 |
| 2 | 3 | 2 | TX- | BI_DA- | -/ring | 绿 |
橙 |
| 3 | 2 | 3 | RX+ | BI_DB+ | +/tip | 橙白 |
绿白 |
| 4 | 1 | 1 | BI_DC+ | -/ring | 蓝 |
蓝 |
|
| 5 | 1 | 1 | BI_DC- | +/tip | 蓝白 |
蓝白 |
|
| 6 | 2 | 3 | RX- | BI_DB- | -/ring | 橙 |
绿 |
| 7 | 4 | 4 | BI_DD+ | +/tip | 棕白 |
棕白 |
|
| 8 | 4 | 4 | BI_DD- | -/ring | 棕 |
棕 |
Direct Connection EIA/TIA-568A
Direct Connection EIA/TIA-568B
Cross-over cable pinouts
Cross-over cable EIA/TIA-568A/B (10Base-T, 100Base-TX)
10BASE-T or 100BASE-TX crossover
| pin | T568A | T568B | ||||
|---|---|---|---|---|---|---|
| Pair | Signal | color | Pair | Signal | color | |
| 1 | 3 | TX+ | 绿白 |
2 | RX+ | 橙白 |
| 2 | 3 | TX- | 绿 |
2 | RX- | 橙 |
| 3 | 2 | RX+ | 橙白 |
3 | TX+ | 绿白 |
| 4 | 1 | 蓝 |
1 | 蓝 |
||
| 5 | 1 | 蓝白 |
1 | 蓝白 |
||
| 6 | 2 | RX- | 橙 |
3 | TX- | 绿 |
| 7 | 4 | 棕白 |
4 | 棕白 |
||
| 8 | 4 | 棕 |
4 | 棕 |
Gigabit T568A crossover
10BASE-T, 100BASE-TX, 100BASE-T4 or 1000BASE-T crossover
| pin | T568A | T568A Crossed | ||||
|---|---|---|---|---|---|---|
| Pair | Signal | color | Pair | Signal | color | |
| 1 | 3 | BI_DA+ | 绿白 |
2 | BI_DB+ | 橙白 |
| 2 | 3 | BI_DA- | 绿 |
2 | BI_DB- | 橙 |
| 3 | 2 | BI_DB+ | 橙白 |
3 | BI_DA+ | 绿白 |
| 4 | 1 | BI_DC+ | 蓝 |
4 | BI_DD+ | 棕白 |
| 5 | 1 | BI_DC- | 蓝白 |
4 | BI_DD- | 棕 |
| 6 | 2 | BI_DB- | 橙 |
3 | BI_DA- | 绿 |
| 7 | 4 | BI_DD+ | 棕白 |
1 | BI_DC+ | 蓝 |
| 8 | 4 | BI_DD- | 棕 |
1 | BI_DC- | 蓝白 |
Gigabit T568B crossover
10BASE-T, 100BASE-TX,
100BASE-T4 or 1000BASE-T crossover
| pin | T568B | T568B Crossed | ||||
|---|---|---|---|---|---|---|
| Pair | Signal | color | Pair | Signal | color | |
| 1 | 2 | BI_DA+ | 橙白 |
3 | BI_DB+ | 绿白 |
| 2 | 2 | BI_DA- | 橙 |
3 | BI_DB- | 绿 |
| 3 | 3 | BI_DB+ | 绿白 |
2 | BI_DA+ | 橙白 |
| 4 | 1 | BI_DC+ | 蓝 |
4 | BI_DD+ | 棕白 |
| 5 | 1 | BI_DC- | 蓝白 |
4 | BI_DD- | 棕 |
| 6 | 3 | BI_DB- | 绿 |
2 | BI_DA- | 橙 |
| 7 | 4 | BI_DD+ | 棕白 |
1 | BI_DC+ | 蓝 |
| 8 | 4 | BI_DD- | 棕 |
1 | BI_DC- | 蓝白 |
