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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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PGND Cable

PGND Cable

This section describes the structure and specifications of the protection ground (PGND) cable for grounding the NIP6800. Read this section before you make or purchase any PGND cables for the NIP6800.

The PGND cable is used in the following situations:

  • The NIP6800 is installed inside the cabinet.

    If the cabinet has been properly grounded, connect one end of the PGND cable to the ground terminal of the NIP6800 and the other end to the ground port of the cabinet.

  • The NIP6800 is installed outside the cabinet.

    Connect one end of the PGND cable to the ground terminal of the NIP6800 and the other end to the ground bar in the equipment room.

Unreliable grounding may damage the NIP6800. Therefore, ensure that the NIP6800 is reliably grounded.

Structure and Appearance

A PGND cable has two OT terminals and a copper cable with yellow/green plastic encapsulation. Figure 1-64 shows a type of PGND cables.


The figure is for reference only.

Figure 1-64  PGND cable

Figure 1-65 shows the OT terminal.

Figure 1-65  OT terminal


  1. Connect the OT terminal at one end of the PGND cable to the connection hole of the NIP6800, with the conducting wire upward, as shown in Figure 1-66 (A).

    Figure 1-66  Installing the OT terminal
  2. Select a matching screw for the screw jack and screw it in clockwise. For a reliable connection, make sure that at least two full threads match each other.

  3. Tug on the power cable gently to verify that it is connected securely.

  4. Connect the other end of the PGND cable to the ground port of the equipment room or cabinet.

The OT terminal may rotate, causing damage to the device. Ensure that the OT terminal is not touching adjacent metal mechanical parts and other terminals.

Technical Specifications

Table 1-96 shows the technical specifications of the PGND cable.

Table 1-96  Technical specifications of the PGND cable



PGND cable

Cable type

Wire,450/750V,227 IEC 02(RV)25mm2,yellow green,110A


Naked Crimping Terminal,OT,25mm2,M8,Tin Plating,Naked Ring Terminal

Fireproof class


Updated: 2019-01-04

Document ID: EDOC1100059253

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