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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).
Ethernet Cable

Ethernet Cable

The Ethernet cable, also called the network cable, is used to carry signals on Gigabit networks or networks with lower packet rates.

Structure and Appearance

An Ethernet cable consists of twisted pairs and RJ45 connectors, as shown in Figure 1-69.

Figure 1-69  Ethernet cable structure

Name

Description

RJ45

RJ45 connector

Cable

Category 5 or higher twisted pair network cable

PIN1 to PIN8

8 pins. Each pin has an ID ranging from 1 to 8.

The twisted pair network cable has eight wires. The connection between wires and RJ45 connector pins complies with either wiring scheme EIA/TIA 568A or EIA/TIA 568B, as shown in Figure 1-70.

Figure 1-70  Wiring scheme EIA/TIA 568A or EIA/TIA 568B

EIA/TIA 568A

EIA/TIA 568B

PINa

Core Wireb

PIN

Core Wire

1

Green-white

1

Orange-white

2

Green

2

Orange

3

Orange-white

3

Green-white

4

Blue

4

Blue

5

Blue-white

5

Blue-white

6

Orange

6

Green

7

Brown-white

7

Brown-white

8

Brown

8

Brown

NOTE:
  • a. An RJ45 connector has eight pins.
  • b. The twisted pair wire connects to the RJ45 connector pin. The color of the plastic jacket is used for the wire name.

Straight-Through and Crossover Cables

Ethernet cables are classified into straight-through and crossover cables according to the wiring scheme used at the two ends of the cables. Interfaces on most devices can dynamically adapt to straight-through cables and crossover cables. For interfaces that cannot dynamically adapt to either type of cable, connect interfaces at the same layer using the crossover cables and interfaces at different layers using the straight-through cables.

Figure 1-71 and Figure 1-72 show how to distinguish and make straight-through cables and crossover cables. Strictly adhere to the wiring scheme to ensure service quality.

  • Straight-through cable

    Straight-through cables are also called standard cables. Both ends of the cable use wiring scheme EIA/TIA T568A or EIA/TIA T568B. You are advised to use wiring scheme EIA/TIA T568B for straight-through cables. Figure 1-71 shows EIA/TIA T568A and EIA/TIA T568B wiring schemes.
    Figure 1-71  Connection scheme of straight-through cables

    You can use straight-through cables to connect:
    • A switch or hub with an NIP6800
    • Computers (including servers and workstations) with NIP6800s or hubs
    • Two switches through the uplink interface
  • Crossover cable

    Crossover cables use wiring scheme EIA/TIA T568A on one end and EIA/TIA T568B for the other, as shown in Figure 1-72.
    Figure 1-72  Connection scheme of crossover cables

    You can use the crossover cables to connect:
    • A computer and a router
    • Two switches
    • Two hubs
    • Two computers
    • Interfaces on different routers
    • Ethernet interfaces on an ADSL modem and the network adapter on a computer

Shielded Cable and Unshielded Cable

Network cables are classified into shielded and unshielded ones based on whether the twisted pair and RJ45 connector are shielded. Figure 1-73 shows a shielded cable, and Figure 1-74 shows an unshielded cable.

Only shielded cables are supported on the NIP6800.
Figure 1-73  Shielded cable
Figure 1-74  Unshielded cable
NOTE:

The figure is for reference only.

Technical Specifications

Table 1-101 and Table 1-102 show the technical specifications of the straight-through cable and crossover cable, respectively.

Table 1-101  Technical specifications of the straight-through cable

Item

Specifications

Connector X1/X2

Network port connector-crystal connector-8PIN-8bit-shield-plug-24-26AWG-CAT 6/SFTP network cable

Cable type

Communication cable-100±15ohm-shielded enhanced 5 types-CAT5E SFTP 24AWG-8 core PANTONE 445U

Number of cores

8

Fireproof class

CM

Available length

5 m, 10 m, 20 m, and 30 m

Table 1-102  Technical specifications of the crossover cable

Item

Specifications

Connector X1/X2

Network port connector-crystal connector-8PIN-8bit-shield-plug-24~26AWG-CAT 6/SFTP network cable

Cable type

Communication cable-100±15ohm-shielded enhanced 5 types-CAT5E SFTP 24AWG-8 core PANTONE 646U

Number of cores

8

Fireproof class

CM

Available length

5 m and 30 m

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Updated: 2019-01-04

Document ID: EDOC1100059253

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