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NE40E V800R010C10SPC500 Installation Guide

This is NE40E V800R010C10SPC500 Installation Guide
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Cable Assembling Precautions

Cable Assembling Precautions

Check the cables and connector components according to the following lists.

Checking Cables

  • If the jacket or insulation layer of a cable is dirty, clean it before assembly.
  • If the jacket or insulation layer of a cable has visible damage, irreparable scuffing, or a defect, do not use the cable.
  • If the shield layer of a cable is damaged, do not use the cable.
  • If the jacket or insulation layer of a cable cracks after the cable is bent or twisted, check whether the other cables have the same problem. If the other cables are good, do not use this cable. If other cables have the same problem, do not assemble these cables.

Checking Connectors

  • Do not use the connectors with visible defects, damage, rust, or scuffing.
  • Do not use the connectors if the pins or shells of the connectors are damaged.
  • Do not use the connectors if there is dirt on the pins or in the jacks of the connectors or if there are conductors between pins or between pins and the shell.

Precautions for Assembly

  • Use dedicated tools or tools delivered by Huawei and follow the correct assembly methods.
  • Hold the terminals of cables instead of pulling the cables when installing or removing the cable components.
  • Take the following precautions when cutting or peeling cables:
    • Leave a little extra length when cutting cables.
    • Coil cables that are longer than 2 m (6.56 ft.). Bind the cables using bundling ropes. The inner diameter of the coil should be larger than 20 times the outer diameter of the cable.
    • When peeling the jackets of cables, avoid damaging the shield layers (braid or aluminum foil), insulation layers, core conductors, and other jackets that do not need not to be peeled.
    • Clean the exposed jackets section (such as, the dead ends of power cables). Cut all cables flush.
    • Do not touch the core conductors of cables with your hands. Process the conductor peeled from cables in time so that the surface of the conductor does not need to be 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 differ. Figures in this document are for reference only.

  • The intra-building port(s) (list the port or ports) of the equipment or subassembly is suitable for connection to intra-building or unexposed wiring or cabling only. The intra-building port(s) of the equipment or subassembly MUST NOT be metallically connected to interfaces that connect to the OSP or its wiring. These interfaces are designed for use as intra-building interfaces only (Type 2 or Type 4 ports as described in GR- 1089) and require isolation from the exposed OSP cabling. The addition of Primary Protectors is not sufficient protection in order to connect these interfaces metallically to OSP wiring.

  • The intra-building port(s) (list the port or ports) of the equipment or subassembly must use shielded intra-building cabling/wiring that is grounded at both ends.

  • The preceding requirements only apply to North America.
Updated: 2019-01-03

Document ID: EDOC1100055059

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