H3C WX2540H Manuale utente

H3C WX2540H Access Controlle

Installation Guide

New H3C Technologies Co., Ltd.

http://www.h3c.com.hk

Document version: 6W101-20170414

No part of this manual may be reproduced or transmitted in any form or by any means without prior

written consent of New H3C Technologies Co., Ltd.

Trademarks

H3C, , H3CS, H3CIE, H3CNE, Aolynk, , H3Care, , IRF, NetPilot, Netflow,

SecEngine, SecPath, SecCenter, SecBlade, Comware, ITCMM and HUASAN are trademarks of New

H3C Technologies Co., Ltd.

All other trademarks that may be mentioned in this manual are the property of their respective owners

Notice

The information in this document is subject to change without notice. Every effort has been made in the

preparation of this document to ensure accuracy of the contents, but all statements, information, and

recommendations in this document do not constitute the warranty of any kind, express or implied.

Environmental protection

This product has been designed to comply with the environmental protection requirements. The storage,

use, and disposal of this product must meet the applicable national laws and regulations.

Preface

The H3C WX2540H Access Controller Installation Guide describes preparing for installation, installing

the access controller, troubleshooting, and hardware management and maintenance of the WX2540H

access controller.

This preface includes the following topics about the documentation:

•Audience.

•Conventions.

•Obtaining documentation.

•Technical support

•Documentation feedback.

Audience

This documentation is intended for:

•Network planners.

•Field technical support and servicing engineers.

•Network administrators working with the WX2540H access controller.

Conventions

The following information describes the conventions used in the documentation.

Command conventions

Convention Descri

tion

Boldface Bold text represents commands and keywords that you enter literally as shown.

Italic Italic text represents arguments that you replace with actual values.

[ ] Square brackets enclose syntax choices (keywords or arguments) that are optional.

{ x | y | ... }

Braces enclose a set of required syntax choices separated by vertical bars, from which

you select one.

[ x | y | ... ]

Square brackets enclose a set of optional syntax choices separated by vertical bars, from

which you select one or none.

{ x | y | ... } *

Asterisk marked braces enclose a set of required syntax choices separated by vertical

bars, from which you select a minimum of one.

[ x | y | ... ] *

Asterisk marked square brackets enclose optional syntax choices separated by vertical

bars, from which you select one choice, multiple choices, or none.

&<1-n> The argument or keyword and argument combination before the ampersand (&) sign can

be entered 1 to n times.

# A line that starts with a pound (#) sign is comments.

GUI conventions

Convention Descri

tion

Boldface Window names, button names, field names, and menu items are in Boldface. For

example, the New User window opens; click OK.

> Multi-level menus are separated by angle brackets. For example, File > Create > Folder.

Symbols

Convention Descri

tion

WARNING An alert that calls attention to important information that if not understood or followed can

result in personal injury.

CAUTION An alert that calls attention to important information that if not understood or followed can

result in data loss, data corruption, or damage to hardware or software.

IMPORTANT An alert that calls attention to essential information.

NOTE An alert that contains additional or supplementary information.

TIP An alert that provides helpful information.

Network topology icons

Represents a generic network device, such as a router, switch, or firewall.

Represents a routing-capable device, such as a router or Layer 3 switch.

Represents a generic switch, such as a Layer 2 or Layer 3 switch, or a router that supports

Layer 2 forwarding and other Layer 2 features.

Represents an access controller, a unified wired-WLAN module, or the access controller

engine on a unified wired-WLAN switch.

Represents an access point.

Wireless terminator unit.

Wireless terminator.

Represents a mesh access point.

Represents omnidirectional signals.

Represents directional signals.



Represents a security product, such as a firewall, UTM, multiservice security gateway, or

load balancing device.

Represents a security module, such as a firewall, load balancing, NetStream, SSL VPN,

IPS, or ACG module.

Examples provided in this document

Examples in this document might use devices that differ from your device in hardware model,

configuration, or software version. It is normal that the port numbers, sample output, screenshots, and

other information in the examples differ from what you have on your device.

Obtaining documentation

To access the most up-to-date H3C product documentation, go to the H3C website

at http://www.h3c.com.hk.

To obtain information about installation, configuration, and maintenance, click

http://www.h3c.com.hk/Technical_Documents

To obtain software version information such as release notes, click

http://www.h3c.com.hk/Software_Download

Technical support

servic[email protected]

http://www.h3c.com.hk

Documentation feedback

You can email your comments about product documentation to inf[email protected].

We appreciate your comments.



Contents

Preparing for installation ············································································································································· 1

Safety recommendations ··················································································································································1

General safety recommendations···························································································································1

Electrical safety·························································································································································1

Laser safety································································································································································2

Examining the installation site ·········································································································································2

Temperature and humidity·······································································································································2

Cleanliness ································································································································································2

Cooling······································································································································································3

ESD prevention ·························································································································································3

EMI·············································································································································································3

Lightning protection··················································································································································4

Installation accessories ·····················································································································································4

Pre-installation checklist ····················································································································································4

Installing the device ····················································································································································· 6

Confirming installation preparations·······························································································································6

Installation flow ·································································································································································6

Mounting the device on a workbench ····························································································································7

Grounding the device·······················································································································································7

Attaching the ring terminal to the grounding cable······························································································7

Connecting the grounding cable to the device·····································································································8

Connecting the console cable and setting terminal parameters ··················································································8

Connecting the console cable·································································································································8

Setting terminal parameters·····································································································································9

Connecting the Ethernet cables ···································································································································· 12

Connecting a copper Ethernet port ····················································································································· 12

Connecting a fiber port ········································································································································ 12

Connecting the power adapter ···································································································································· 13

Verifying the installation················································································································································ 14

Powering on the device················································································································································· 14

Troubleshooting··························································································································································17

Power failure··································································································································································· 17

Symptom································································································································································· 17

Solution··································································································································································· 17

No display or garbled display on the configuration terminal··················································································· 17

Software loading failure················································································································································ 18

Resolution ······························································································································································· 18

Hardware management and maintenance ··············································································································19

Displaying hardware information for the device ········································································································ 19

Displaying operational statistics for the device·································································································· 19

Displaying detailed information about the device····························································································· 20

Displaying the electronic label data for the device ··························································································· 20

Displaying the CPU usage of the device············································································································· 21

Displaying the memory usage of the device ······································································································ 21

Rebooting the device ····················································································································································· 22

Rebooting the device immediately at the CLI ····································································································· 23

Scheduling a device reboot ································································································································· 23

Appendix A Chassis views and technical specifications ························································································24

Chassis views ································································································································································· 24

Transceiver module, fiber connector, and optical fiber views ·················································································· 24

Technical specifications················································································································································· 25

Transceiver module specifications································································································································ 26

Interface arrangement ··················································································································································· 27

Appendix B LEDs························································································································································28

LEDs ················································································································································································· 28

Index ···········································································································································································30

Preparing for installation

Safety recommendations

To avoid any equipment damage or bodily injury, read the following safety recommendations before

installation. Note that the recommendations do not cover every possible hazardous condition.

General safety recommendations

•Do not place the device on an unstable case or desk. The device might be severely damaged in

case of a fall.

•Make sure the ground is dry and flat and anti-slip measures are in place.

•Keep the chassis and installation tools away from walk areas.

•Keep the chassis clean and dust-free.

•Do not place the device near water or in a damp environment. Prevent water or moisture from

entering the device chassis.

•Ensure good ventilation of the equipment room and keep the air inlet and outlet vents of the device

free of obstruction.

•Make sure the device operates in the voltage range as required.

•Use a screwdriver to fasten screws.

•To prevent condensation, perform the following tasks:

{Unpack the device a minimum of half an hour after you move the device from a location below

0°C (32°F) to the equipment room.

{Power on the device a minimum of 2 hours after you move the device from a location below 0°C

(32°F) to the equipment room.

Electrical safety

•Carefully examine your work area for possible hazards, such as moist floors, ungrounded power

extension cables, or missing safety grounds.

•Locate the emergency power-off switch in the room before installation. Shut off the power

immediately if an accident occurs.

•Unplug all the external cables (including power cables) before moving the chassis.

•Do not work alone when the device has power.

•Always check that the power has been disconnected.

Laser safety

ARNING!

Do not stare into any fiber port when the device is powered on. The laser light emitted from the fiber por

might hurt your eyes.

•Before you disconnect a fiber connector, execute the shutdown command in interface view to

disable the optical source.

•After you remove an optical fiber from the connector, install the dust cover on the connector to avoid

connector damage.

Examining the installation site

The device can only be used indoors. To ensure correct operation and a long lifespan for your device, the

installation site must meet the requirements in this section.

Temperature and humidity

Maintain the temperature and humidity in the equipment room as described in Table 1.

•Lasting high relative humidity can cause poor insulation, electricity creepage, mechanical property

change of materials, and metal corrosion.

•Lasting low relative humidity can cause washer contraction and ESD and cause problems including

loose screws and circuit failure.

•High temperature can accelerate the aging of insulation materials and significantly lower the

reliability and lifespan of the device.

Table 1 Temperature/humidity requirements in the equipment room

Tem

erature Relative humidit

0°C to 40°C (32°F to 104°F) 5% to 95%, noncondensing

Cleanliness

Dust buildup on the chassis might result in electrostatic adsorption, which causes poor contact of metal

components and contact points, especially when indoor relative humidity is low. In the worst case,

electrostatic adsorption can cause communication failure.

Table 2 Dust concentration limit in the equipment room

Substance Concentration limit (

articles/m3)

Dust particles ≤3 x 104

(No visible dust on desk in three days)

NOTE:

Dust particle diameter ≥5 μm

The equipment room must also meet limits on salts, acids, and sulfides to eliminate corrosion and

premature aging of components, as shown in Table 3.

Table 3 Harmful gas limits in the equipment room

Gas Max. (m

/m3)

SO20.2

H2S 0.006

NH30.05

Cl20.01

Cooling

•Leave a minimum of 10 cm (3.94 in) of clearance around the device.

•A good ventilation system is available at the installation site.

ESD prevention

The device might be damaged by the following Electrostatic discharge (ESD) sources:

•Outdoor environment—For example, high-voltage power line and lightning.

•Indoor environment—For example, floor carpet.

•Device internal system.

To prevent ESD damage, follow these guidelines:

•Ground the device reliably.

•Take dust-proof measures for the equipment room. For more information, see "Cleanliness."

•Maintain the humidity and temperature at acceptable levels. For more information, see

"Temperature and humidity."

•Wear an ESD suit and an ESD wrist strap, wear ESD gloves, and remove any electrically conducting

objects such as watch or jewelry before handling the device.

EMI

All electromagnetic interference (EMI) sources, from outside or inside of the device and application

system, adversely affect the device in the following ways:

•A conduction pattern of capacitance coupling.

•Inductance coupling.

•Electromagnetic wave radiation.

•Common impedance (including the grounding system) coupling.

To prevent EMI, perform the following tasks:

•If AC power is used, use a single-phase three-wire power receptacle with protection earth (PE) to

filter interference from the power grid.

•Keep the device far away from radio transmitting stations, radar stations, and high-frequency

devices.

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