Assembling Power Cables; Assembling A Dc 2-Pin Round Connector (A) - Huawei AP7052DN Hardware Installation And Maintenance Manual

AP7052DN&AP7152DN
Hardware Installation and Maintenance Guide
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Precautions for Assembly
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5.1.2 Assembling Power Cables

5.1.2.1 Assembling a DC 2-Pin Round Connector (A)

Context
Figure 5-1 shows the components of DC 2-PIN round connector A.
Issue 01 (2017-12-29)
Do not use connectors if their shells or pins have exposed part or uneven plating, or their
pins are lost, broken, or bent.
Do not use connectors that have dirt on their pins or in their jacks or if there are
conductors between pins or between pins and the shell.
Use dedicated tools or tools delivered by Huawei and follow the methods given here
during assembly.
Hold terminals of cables instead of pulling the cables themselves when installing or
removing cable components.
Take the following precautions when cutting or stripping cables:
− Make cables slightly longer than necessary.
− Coil cables longer than 2 m (6.56 ft) after cutting. Bind and fasten the coils using
bundling ropes. The inner diameters of the coils should be larger than 20 times the
outer diameters of the cables.
− When stripping the jackets of cables, avoid damaging the shield layers (braid or
aluminum foil), insulation, core conductors, and other jackets that do not need to be
stripped.
After assembling cables, cut all visible cross sections of jackets to ensure that the
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cross sections are arranged neatly.
− Do not touch the core conductors of cables with your hands. Terminate exposed
conductors in a timely way after stripping off insulation so that the surface of the
conductors does not become oxidized.
Take the following precautions when crimping and connecting cables or connectors:
− The terminals and conductors should be connected tightly after they are crimped.
They should not be moved or turned.
− Cut all the exposed copper wires.
− Try to avoid a second crimping of sleeves.
− Keep all the conductors clean and aligned.
The connectors, cables, and tools provided by different vendors may be different. The figures in this
document are for your reference only.
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