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You can configure the cable and allocation pin number of RJ45 as shown below.
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RJ45 Connector | RJ45 Jack |
 |  |
Direct Cable: Host ↔︎ HUB
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Cable | No | Color | Color | No | Cable |
 | 1 | Orange/White | Orange/White | 1 |  |
2 | Orange | Orange | 2 | ||
3 | Green/White | Green/White | 3 | ||
4 | Blue | Blue | 4 | ||
5 | Blue/White | Blue/White | 5 | ||
6 | Green | Green | 6 | ||
7 | Brown/White | Brown/White | 7 | ||
8 | Brown | Brown | 8 |
Crossover Cable: Host ↔︎ Host
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Cable | No | Color | Color | No | Cable |
 | 1 | Orange/W | Green/W | 1 |  |
2 | Orange | Green | 2 | ||
3 | Green/W | Orange/W | 3 | ||
4 | Blue | Blue | 4 | ||
5 | Blue/W | Blue/W | 5 | ||
6 | Green | Orange | 6 | ||
7 | Brown/W | Brown/W | 7 | ||
8 | Brown | Brown | 8 |