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HUAWEI NIP6800 Series V500 Hardware Guide

This document of the NIP6800 Series describes hardware structure, installation guide, and hardware maintenance. The content of this document includes the appearance and specifications of the product, the supported expansion cards, preparation before the installation, installation, cabling, and hardware replacement.
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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 Power Cables

Assembling Power Cables

This section describes how to assemble power cables with OT terminals, JG terminals, cord end terminals, and power cables.

Assembling the OT Terminal and the Power Cable

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

Context

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

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

A Heat-shrinkable tube

B. Bare crimping terminal

C. Insulation layer of a power cable

D. Power cable conductor

Procedure

  1. Where the cross-section of the cable conductor (D) is visible, strip away a length L1 from the insulation layer (C), exposing the conductor, as shown in Figure 4-2. Recommended L1 values are listed in Table 4-1.

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

    • When you strip a power cable, be careful not to damage the cable conductor.
    • If the bare crimping terminal is not provided by Huawei, the value of L1 is 1-2 mm greater than L.
    Table 4-1  Mapping between the cross-sectional area of the conductor and the value of L1

    Cross-Sectional Area of Conductor (mm2)

    Value of L1 (mm)

    Cross-Sectional Area of Conductor (mm2)

    Value of L1 (mm)

    1

    7

    10

    11

    1.5

    7

    16

    13

    2.5

    7

    25

    14

    4

    8

    35

    16

    6

    9

    50

    16

    NOTE:

    If you are proficient in assembling OT terminals and power cables, you can obtain the value of L1 by simply comparing the part to be crimped with the power cable.

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

    Figure 4-3  Sliding the heat-shrink tubing onto the bare crimping terminal

  3. Fix the OT terminal (B) onto the exposed conductor, ensuring that the OT terminal is in sufficient contact with the insulation layer of the power cable (C), as shown in Figure 4-3.

    After the conductor is fed into the OT terminal, the protruding section of conductor (or L2 in Figure 4-3) must not exceed 2 mm.

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

    NOTE:

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

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

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

    Figure 4-5  Heating the heat-shrink tubing

    Do not heat the heat-shrink tubing for too long.

Assembling the JG Terminal and the Power Cable

This section describes how to assemble a JG terminal and a power cable.

Context

Figure 4-6 shows the components of a JG terminal and a power cable.

Figure 4-6  Components of a JG terminal and a power cable

A. JG terminal

B. Heat-shrink tubing

C. Insulation layer of a power cable

D. Power cable conductor

Procedure

  1. Where the cross-section of cable conductor (D) is exposed, strip away a length L1 of insulation layer (C), as shown in Figure 4-7. Recommended values of L1 are listed in Table 4-2.

    • When you strip a power cable, be careful not to damage the cable conductor.
    • If the bare crimping terminal is not from Huawei, adjust the value of L as required.
    Figure 4-7  Stripping a power cable (JG terminal)

    Table 4-2  Mapping between the cross-sectional area of the conductor and the value of L

    Cross-Sectional Area of Conductor (mm2)

    Value of L (mm)

    16

    13

    25

    14

    35

    16

    50

    16

  2. Slide the heat-shrink tubing (B) onto the bare crimping terminal, as shown in Figure 4-8.

    Figure 4-8  Sliding the heat-shrink tubing onto the bare crimping terminal

  3. Attach the bare crimping terminal (A) to the exposed conductor, and ensure that the bare crimping terminal is in sufficient contact with the insulation layer of the power cable, as shown in Figure 4-8.
  4. Crimp the joint parts of the bare crimping terminal and the conductor, as shown in Figure 4-9.

    Figure 4-9  Crimping the joint parts of the bare crimping terminal and the conductor (JG terminal)

  5. Slide the heat-shrink tubing (B) towards the connector until the tube covers the crimped part. Then, heat the tube with a heat gun, as shown in Figure 4-10.

    Figure 4-10  Heating the heat-shrink tubing (JG terminal)

Assembling the Cord End Terminal and the Power Cable

This section describes how to assemble a cord end terminal and a power cable.

Context

Figure 4-11 shows the components of a cord end terminal and a power cable. The component labels in the following figure apply to all similar figures in this section.

Figure 4-11  Components of a cord end terminal and a power cable

A. Cord end terminal

B. Insulation layer of a power cable

C. Power cable conductor

Procedure

  1. Where the cross-section of cable conductor (C) is exposed, strip away a length L1 of insulation layer (B), as shown in Figure 4-12. Recommended values of L1 are listed in Table 4-3.

    When stripping a power cable, be careful not to damage the cable conductor.

    Figure 4-12  Stripping a power cable (cord end terminal)

    Table 4-3  Mapping between the cross-sectional area of the conductor and the value of L1

    Cross-Sectional Area of Conductor (mm2)

    Value of L1 (mm)

    Cross-Sectional Area of Conductor (mm2)

    Value of L1 (mm)

    1

    8

    10

    15

    1.5

    10

    16

    15

    2.5

    10

    25

    18

    4

    12

    35

    19

    6

    14

    50

    26

  2. Attach the cord end terminal (A) to the conductor, and ensure that the conductor is aligned with the edge of the cord end terminal, as shown in Figure 4-13.

    After the conductor is fed into the cord end terminal, ensure that the protruding length of conductor does not exceed 1mm.

    Figure 4-13  Attaching the cord end terminal to the conductor

  3. Crimp the joint parts of the cord end terminal and the conductor, as shown in Figure 4-14.

    Figure 4-14  Crimping the cord end terminal and the conductor

  4. Check the maximum width of the tubular crimped terminal. Maximum widths are listed in Table 4-4.

    Table 4-4  Maximum width of a tubular crimped terminal

    Cross-Sectional Area of Tubular Terminal (mm2)

    Maximum Width of Crimped Terminal W1 (mm)

    0.25

    1

    0.5

    1

    1.0

    1.5

    1.5

    1.5

    2.5

    2.4

    4

    3.1

    6

    4

    10

    5.3

    16

    6

    25

    8.7

    35

    10

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Updated: 2019-01-04

Document ID: EDOC1100059253

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