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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).
Installing Power Adapters

Installing Power Adapters

This section describes how to install OT terminals and cord end terminals.

Installing OT Terminals

This section describes how to install one or two OT terminals onto a wiring post.


  • Installing one OT terminal onto a wiring post
    1. Turn the OT terminal so that the conductor is facing upward and align the hole of the OT terminal with a connecting hole, as shown in Figure 4-42.

      Figure 4-42 Aligning the OT terminal with a connecting hole


      When you install an OT terminal, make sure that you orient the crimp sleeve correctly. See Figure 4-43, in which A shows the correct orientation while B shows the wrong orientation.

      Figure 4-43 Orientation of the crimp sleeve

    2. Put a spring washer and a flat washer. Then insert an appropriate screw and tighten it, as shown in Figure 4-44.

      Figure 4-44 Installing a screw to secure one terminal

      The OT terminal may slip round on the pivot. Make sure that it is never in contact with other terminals or metal components.

    3. Pull the cable gently to check that it is securely installed. Figure 4-45 shows a securely installed OT terminal.

      Figure 4-45 Installed OT terminal

  • Installing two OT terminals onto a wiring post

    Ensure that the wiring post can support two OT terminals before starting the installation. Also ensure that the electrical connecting pieces have the largest possible area of contact. Two OT terminals can be installed in one of the following ways:

    • Bend the upper OT terminal at a 45- or 90-degree angle, as shown in Figure 4-46.
    • Lay the two terminals across each other, as shown in Figure 4-47.
    • Install the two terminals back-to-back, as shown in Figure 4-48.
    Figure 4-46 Bending the upper OT terminal at a 45- or 90-degree angle

    Figure 4-47 Laying the two terminals across each other

    Figure 4-48 Installing the two terminals back-to-back

    If the two terminals are different sizes, place the smaller one above the bigger one. A maximum of two terminals can be installed onto a wiring post.

Installing Cord End Terminals

This section describes how to install a cord end terminal.


  1. Hold a cord end terminal upright and place it over a terminal jack, as shown in Figure 4-49. To ensure the largest area of contact, place the plain side of the terminal so that it is facing outwards.

    Figure 4-49 Placing a terminal on a terminal jack vertically

  2. Feed the terminal into the jack, and tighten the screw, as shown in Figure 4-50.

    Figure 4-50 Feeding the terminal into the jack

    • Ensure that the exposed section of the terminal is less than 2 mm (0.08 in.) in length, as shown in Figure 4-51.
    • Do not press the insulation layer of the terminal.
    • Feed only one terminal into one jack.
    Figure 4-51 Exposed section of the terminal

  3. Pull the cable gently to check that it is securely installed.
Updated: 2019-01-03

Document ID: EDOC1100055059

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