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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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Optical Fiber

Optical Fiber

Optical fibers are used for carrying signals on Gigabit networks or networks with higher packet rates.

Optical fibers connect to the the GE or 10GE optical port on the NIP6800 through an optical module. Select optical modules and fibers based on peer device interfaces.

You are advised to use Huawei optical modules. Optical modules from other vendors may cause incompatibility issues and lead to faults on the NIP6800.

Structure and Appearance

Optical fibers are classified into single-mode and multi-mode optical fibers. Single-mode optical fibers are used for long-distance transmission whereas multi-mode optical fibers are used for short-distance transmission. Indoor single-mode optical fibers usually have a yellow jacket, as shown in Figure 1-75.The jacket of the LC/PC-LC/PC multi-mode optical fiber is orange, as shown in Figure 1-76, and that of the MPO/PC-MPO/PC multi-mode optical fiber is cyan, as shown in Figure 1-77. Optical fibers are not delivered with the NIP6800. Purchase optical fibers separately as required.

Figure 1-75  LC/PC-LC/PC single-mode optical fiber

Figure 1-76  LC/PC-LC/PC multi-mode optical fiber

Figure 1-77  MPO/PC-MPO/PC multi-mode optical fiber

  • To ensure the normal transmission of optical signals, do not use single-mode optical fibers to connect multi-mode optical modules, nor multi-mode optical fibers to connect single-mode optical modules.
  • To connect extension optical fibers, purchase LC/PC-LC/PC adapters.
Optical fibers have multiple types of connectors. Common connectors types include LC/PC, SC/PC, FC/PC and MPO/PC.
  • LC/PC connector



    The procedure for inserting and removing LC/PC connectors is as follows:

    • Insert and remove the connector along the axis without rotating the connector.
    • When you insert the fiber, carefully insert the fiber head into the optical interface on the interface board.
    • To remove the optical fiber, squeeze the pinch on the fiber connector, gently push on the fiber connector, and then pull it out.
  • SC/PC connector



    The procedure for inserting and removing SC/PC connectors is as follows:

    • Insert and remove the connector along the axis without rotating the connector.
    • When you insert the fiber, carefully insert the fiber head into the optical interface on the interface board.
    • To remove the optical fiber, gently push on the fiber connector, and then pull out the connector.
  • FC/PC connector



    The procedure for inserting and removing FC/PC connectors is as follows:

    • When you insert an optical fiber, aim the FC/PC connector at the optical interface on the interface board to avoid damaging the inner layer of the optical interface. Then insert the fiber into the optical interface, rotate the outer screw jacket clockwise, and then fasten the optical connector.
    • To remove an optical fiber, rotate the outer screw jacket counter-clockwise on the optical interface until the screw loosens. Then gently pull out the optical fiber.
  • MPO/PC optical fiber connector



    Note the following points when removing and inserting an MPO/PC fiber connector:

    • When inserting the connector, hold the shell labeled "PUSH" and feed the male connector into the female connector until you hear a clicking sound. The male and female connectors are securely installed.
    • To disassemble the connector, hold the shell labeled "PULL" and remove the male connector.

There are four types of optical fibers for the NIP6800: LC/PC-LC/PC, LC/PC-SC/PC, LC/PC-FC/PC, and MPO/PC-MPO/PC, which are based on the types of connectors on both ends of the fibers, as listed in Table 1-103.

Table 1-103  Common optical fiber types

Type

Transmission Mode

Connector

   

On the NIP6800

On the peer device

LC/PC-LC/PC

Single-mode/Multi-mode

LC/PC

LC/PC

LC/PC-SC/PC

SC/PC

LC/PC-FC/PC

FC/PC

MPO/PC-MPO/PC

Multi-mode

MPO/PC

MPO/PC

Precautions

When using optical modules and optical fibers, pay attention to the following to ensure proper communication between devices:

  • Use single-mode and multi-mode optical fibers as required.

  • Tx (sending) of the local device corresponds to Rx (receiving) of the peer device.

  • The wavelengths of the optical modules on both ends must be the same.

  • Do not overbend optical fibers. The bend radius must not be shorter than 40 mm.

To avoid eye injuries, do not look straight at the optical transmit interface of the laser or the optical connector.

Technical Specifications

Table 1-104 lists the technical specifications of the optical fiber and is for reference only. Select optical fibers as required.

Table 1-104  Technical specifications of the optical fiber

Item

Specifications

Transmission mode

Single-mode/Multi-mode

Connector

  • On the NIP6800: LC/PC

  • On the peer device: LC/PC, SC/PC, FC/PC or MPO/PC

Outer diameter

2 mm

Length

5 m, 10 m, or 20 m

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Updated: 2019-01-04

Document ID: EDOC1100059253

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