Huawei AP4030DN

Huawei AP4030DN
Hardware Installation and Maintenance Guide
5 Appendix
Issue 02 (2015-05-18)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
44
Testing the Connection of Assembled Cables
Context
Huawei provides two types of Ethernet cables: straight-through cables and crossover cables.

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

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.
Table 5-8 Connections of core wires in a straight crossover cable
RJ45 Connector 1
RJ45 Connector 2
Core Wire Color
Twisted or Not
6
2
Orange
Twisted
3
1
Orange-White
2
6
Green
Twisted
1
3
Green-White
4
4
Blue
Twisted
5
5
Blue-White
8
8
Brown
Twisted
7
7
Brown-White
Figure 5-38 shows the pins of an RJ45 connector.