10BaseT and 10BaseT Full Duplex only. Each cable may be attached to any of the RJ45 sockets.
There are two types of attachments that can be made, each requiring a different type of cable:
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| Cable Type |
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| Other End of Connection |
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| Notes |
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| Straight |
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| Hub or switch with the |
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| Do not plug into a port | |
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| connection. |
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| marked "uplink" or MDI. | |
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| Some hubs and |
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| switches provide a few |
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| ports with selections to |
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| make them type MDI for |
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| uplinks and daisy- |
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| chaining. |
| Crossover |
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| Directly to another PC's network |
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| Direct | |
| (or Null) |
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| adapter. |
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| connections, without an | |
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| intervening hub or |
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| switch. |
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The wiring for a straight cable is simply pin 1 to pin 1, pin 2 to pin 2, etc. Pins 4, 5, 7 and 8 are not used. The wiring for a crossover (or null) cable is shown in the table below.
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| RJ45 |
| Straight |
| Null |
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| Connections |
| Connections |
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| 1 | 1 | 3 |
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| 2 | 2 | 6 |
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| 3 | 3 | 1 |
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| 4 | - | - |
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| 5 | - | - |
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| 6 | 6 | 2 |
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| 7 | - | - |
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| 8 | - | - |
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ZX340Q Series User Guide | Page 5 |
