Huawei AP4030DN Hardware Installation And Maintenance Manual page 50

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Huawei AP4030DN

Hardware Installation and Maintenance Guide

Figure 5-40 Checking the reliability

The procedure for testing a crossover cable is the same as that for testing a straight-through

cable except for the sequence in which the indicators turn on. You need to refer to the wire

connections of a crossover cable.

The Ethernet cable is qualified if the indicators turn on in the following sequence:

At the master (left) section of the tester, the indicators turn on in the sequence of 1-8-G. At the

slave (right) section of the tester, the indicators turn on in the sequence of 3-6-1-4-5-2-7-8-G.

Otherwise, the Ethernet cable is unqualified.

If a tester is not available, you can use a multimeter to perform a simple test, as shown in

Figure 5-41 Testing the connection of an Ethernet cable

Issue 02 (2015-05-18)

Huawei Proprietary and Confidential

5 Appendix

Figure

5-41.

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