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.
shows an unqualified piece.
Figure 5-37
Wires not in good contact with the edge of the RJ45
----End
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.
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.
lists the connections of core
wires in a crossover cable.
R250D-E
Hardware Installation and Maintenance Guide
5 Appendix
Issue 01 (2016-09-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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