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NE40E-M2 V800R010C10SPC500 Installation Guide

This is NE40E-M2 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).
Assembling a Power Cable with an OT Terminal

Assembling a Power Cable with an OT Terminal

This section describes how to assemble a power cable with an OT terminal.

Context

Figure 4-1shows the components of an OT terminal and a power cable.

Figure 4-1 Components of an OT terminal and a power cable

A Heat shrink tubing

B. Bare crimp terminal

C. Insulation layer of the power cable

D. Conductor of the power cable

Procedure

  1. Based on the cross-sectional area of the cable conductor, strip a part of the insulation layer. The L1-long conductor is exposed, as shown in Figure 4-2. Table 4-1 lists the recommended values for L1.

    Figure 4-2 Stripping a power cable (OT terminal)

    • When you strip a power cable, do not damage the conductor of the cable.
    • If the bare crimp terminal is not provided by Huawei, ensure that the value of L1 is 1 mm (0.04 in.) to 2 mm (0.08 in.) greater than the value of L.
    Table 4-1 Mapping between the cross-sectional area of the conductor and the value of L1

    Cross-Sectional Area of Conductor (mm2) (in.2)

    Value of L1 (mm) (in.)

    Cross-Sectional Area of Conductor (mm2) (in.2)

    Value of L1 (mm) (in.)

    1 (0.002 in.2)

    7 (0.28 in.)

    10 (0.02 in.2)

    11 (0.43 in.)

    1.5 (0.002 in.2)

    7 (0.28 in.)

    16 (0.02 in.2)

    13 (0.51 in.)

    2.5 (0.004 in.2)

    7 (0.28 in.)

    25 (0.04 in.2)

    14 (0.55 in.)

    4 (0.006 in.2)

    8 (0.31 in.)

    35 (0.05 in.2)

    16 (0.63 in.)

    6 (0.009 in.2)

    9 (0.35 in.)

    50 (0.08 in.2)

    16 (0.63 in.)

    NOTE:

    If you are proficient in assembling a power cable with an OT terminal, you can determine the value of L1 by comparing the part to be crimped with the power cable.

  2. Put the heat shrink tubing (A) onto the bare crimp terminal, as shown in Figure 4-3.

    Figure 4-3 Putting the heat shrink tubing onto the bare crimp terminal

  3. Put the OT terminal onto the exposed conductor and ensure that the OT terminal is in good contact with the insulation layer of the power cable, as shown in Figure 4-3.

    After the conductor is fed into the OT terminal, the protruding part of the conductor (L2 in Figure 4-3) must not be longer than 2 mm (0.08 in.).

  4. Crimp the joint parts of the bare crimp terminal and the conductor, as shown in Figure 4-4.

    NOTE:

    The shapes of the crimped parts may vary with the crimping dies.

    Figure 4-4 Crimping the joint parts of the bare crimp terminal and the conductor

  5. Push the heat shrink tubing (A) towards the connector until the tube covers the crimped part, and then heat the tube using a heat gun, as shown in Figure 4-5.

    Figure 4-5 Heating the heat shrink tubing

    Stop heating the heat shrink tubing when it has shrunk firmly around the connector.

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Updated: 2019-01-02

Document ID: EDOC1100058424

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