NOTICE
and
show how to distinguish and make straight-through cables and
crossover cables. Strictly adhere to the wiring scheme to ensure service quality.
l
Straight-through cable
Straight-through cables are also called standard cables. Both ends of the cable use wiring
scheme EIA/TIA T568A or EIA/TIA T568B. You are advised to use wiring scheme
EIA/TIA T568B for straight-through cables.
EIA/TIA T568B wiring schemes.
Figure A-26
Connection scheme of straight-through cables
1
7
6
5
4
3
2
8
1
7
6
5
4
3
2
8
RJ45
RJ45
EIA/TIA 568A
EIA/TIA 568A
1
7
6
5
4
3
2
8
1
7
6
5
4
3
2
8
RJ45
RJ45
EIA/TIA 568B
EIA/TIA 568B
You can use straight-through cables to connect:
–
A switch or hub with an USG9500
–
Computers (including servers and workstations) with USG9500s or hubs
–
Two switches through the uplink interface
l
Crossover cable
Crossover cables use wiring scheme EIA/TIA T568A on one end and EIA/TIA T568B
for the other, as shown in
HUAWEI USG9500 Series
Hardware Guide
A Appendix
Issue 03 (2017-12-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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