Fujitsu BX600 Adjusting Existing Category 5 Cabling for 1000BASE-T, 1000BASE-T Pin Assignments

1000BASE-T Pin Assignments Making Network Connections

4.2.2Adjusting Existing Category 5 Cabling for 1000BASE-T

If your existing Category 5 installation does not meet one of the test parameters for 1000BASE-T, there are basically three measures that can be applied to try and correct the problem:

1.Replace any Category 5 patch cables with high-performance Category 5e cables.

2.Reduce the number of connectors used in the link.

3.Reconnect some of the connectors in the link.

4.3 1000BASE-T Pin Assignments

1000BASE-T ports support automatic MDI/MDI-X operation, so you can use straight-through cables for all network connections to PCs or servers, or to other switches. (Auto-negotiation must be enabled to support auto MDI/MDI-X.)

The table below shows the 1000BASE-T MDI and MDI-X port pinouts. These ports require that all four pairs of wires be connected. Note that for 1000BASE-T operation, all four pairs of wires are used for both transmit and receive.

Use 100-ohm Category 5 or 5e unshielded twisted-pair (UTP) or shielded twisted-pair (STP) cable for 1000BASE-T connections. Also be sure that the length of any twisted-pair connection does not exceed 100 meters (328 feet).

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