User's Manual

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of the RJ45, and that the contact strip blade extends beyond the ends of the wires and is

crimped with the wires. If not, replace the connector. Figure 5-37 shows an unqualified piece.

Figure 5-37 Wires not in good contact with the edge of the RJ45

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Testing the Connection of Assembled Cables

Context

Huawei provides two types of Ethernet cables: straight-through cables and crossover cables.

l Straight-through cables are connected in a one-to-one manner. They are used to connect

terminals such as a computer or switch to network devices. Table 5-7 lists the

connections of core wires in a straight-through cable.

Table 5-7 Connections of core wires in a straight-through cable

RJ45 Connector 1

RJ45 Connector 2 Core Wire Color Twisted or Not

2 2 Orange Twisted

1 1 Orange-White

6 6 Green Twisted

3 3 Green-White

4 4 Blue Twisted

5 5 Blue-White

8 8 Brown Twisted

7 7 Brown-White

l Crossover cables are connected in a crossover manner. They are used to connect

terminals such as two computers or switches. Table 5-8 lists the connections of core

wires in a crossover cable.

AP2030DN

Hardware Installation and Maintenance Guide

5 Appendix

Issue 05 (2016-07-22) Huawei Proprietary and Confidential