H3C WX1810H-PWR Installation guide

H3C WX1800H Series Access Controllers

Installation Guide

New H3C Technologies Co., Ltd.

http://www.h3c.com

Document version: 6W102-20200228

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

Except for the trademarks of New H3C Technologies Co., Ltd., any trademarks that may be mentioned in this

document are the property of their respective owners.

Notice

The information in this document is subject to change without notice. All contents in this document, including

statements, information, and recommendations, are believed to be accurate, but they are presented without

warranty of any kind, express or implied. H3C shall not be liable for technical or editorial errors or omissions

contained herein.

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

This installation guide describes the installation procedure for the H3C WX1800H series access

controllers.

This preface includes the following topics about the documentation:

• Audience.

• Conventions.

• Documentation feedback.

Audience

This documentation is intended for:

• Network planners.

• Field technical support and servicing engineers.

• Network administrators working with H3C WX1800H series access controllers.

Conventions

The following information describes the conventions used in the documentation.

Command conventions

Convention Description

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 Description

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 Description

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

Convention Description

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.

Represents a wireless terminator unit.

Represents a 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.

T



Documentation feedback

You can e-mail your comments about product documentation to [email protected].

We appreciate your comments.

i

Contents

1 Preparing for installation ······························································· 1-1

Safety recommendations ·········································································································· 1-1

Safety symbols ················································································································ 1-1

General safety recommendations ························································································ 1-1

Electricity safety ··············································································································· 1-2

Laser safety ···················································································································· 1-2

Examining the installation site ···································································································· 1-2

Temperature and humidity ·································································································· 1-2

Cleanliness ····················································································································· 1-3

Cooling ·························································································································· 1-3

ESD prevention ················································································································ 1-3

EMI ······························································································································· 1-4

Lightning protection ·········································································································· 1-5

Installation accessories ······································································································ 1-5

Installation tools ··············································································································· 1-6

Pre-installation checklist ··········································································································· 1-7

1-1

1 Preparing for installation

H3C WX1800H series access controllers include the following models:

• WX1804H-PWR

• WX1810H-PWR

• WX1820H

• WX1840H

The supported models vary depending on your country or region.

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.

Safety symbols

When reading this document, note the following symbols:

WARNING means an alert that calls attention to important information that if not understood or

followed can result in personal injury.

CAUTION means 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.

General safety recommendations

• Make sure the installation site is flat, vibration-free, and away from electromagnetic

interferences. Make sure ESD and anti-slip measures are in place.

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

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

case of a fall.

• 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.

• Remove all cables from the device before moving it.

• Ensure good ventilation in the equipment room and make sure the air inlet and outlet vents of

the device are not blocked.

• Make sure the power voltage for the device is in the acceptable range.

• Use a screwdriver to fasten screws.

• After you move the device from a location below 0°C (32°F) to the equipment room, follow these

guidelines to prevent condensation:

{ Wait a minimum of 30 minutes before unpacking the device.

{ Wait a minimum of 2 hours before powering on the device.

1-2

Electricity safety

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

power sources, or missing safety grounds.

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

immediately if an accident occurs. Remove the power cord if necessary.

• Do not work alone when you operate the device with power on.

• Always verify that the power has been disconnected when you perform operations that require

the device to be powered off.

Laser safety

WARNING!

Disconnected optical fibers or connectors might emit invisible laser light. Do not stare into beams o

r

view directly with optical instruments when the switch is operating.

CAUTION:

• Before you remove the optical fiber connector from a fiber port, execute the shutdown command

in interface view to shut down the port.

• Insert a dust cap into any open optical fiber connector and a dust plug into any open fiber port o

r

transceiver module port to protect them from contamination and ESD damage.

Examining the installation site

The device can only be used indoors. For the device to operate correctly and have a prolonged

service time, the installation site must meet the following requirements.

Temperature and humidity

Make sure the temperature and humidity in the equipment room meet the requirements described

in Table1-1.

• Lastin

g high relative humidity can cause poor insulation, electricity leakage, mechanical

property change of materials, and metal corrosion.

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

including loose mounting screws and circuit failure.

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

reliability and lifespan of the device.

Table1-1 Temperature and humidity requirements for the equipment room

Temperature Humidity

• WX1804H-PWR/WX1820H: 0°C to 40°C (32°F to 104°F)

• WX1810H-PWR/WX1840H: 0°C to 45°C (32°F to 113°F)

5% RH to 95% RH, noncondensing

1-3

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.

Table1-2 Dust concentration limit in the equipment room

Substance Concentration limit (particles/m

3

)

Dust particles

≤ 3 x 10

4

(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 Table1-3.

Table1

-3 Harmful gas limits in the equipment room

Gas Max. (mg/m

3

)

SO

2

0.2

H

2

S 0.006

NH

3

0.05

Cl

2

0.01

NO

2

0.04

Cooling

The device uses left-to-right airflow. For adequate heat dissipation, plan the installation site for the

device based on its airflow direction and make sure the following requirements are met:

• A minimum clearance of 100 mm (3.94 in) is reserved around the device.

• The workbench or rack where the device is to be installed has a good ventilation system.

Figure1-1 Airflow through the chassis (WX1840H)

ESD prevention

ESD prevention guidelines

To prevent electrostatic discharge (ESD), follow these guidelines:

• Make sure the device is reliably grounded.

1-4

• Take dust-proof measures for the equipment room.

• Maintain the humidity and temperature in the equipment room at acceptable levels.

• When working with the device, always wear an ESD wrist strap or gloves and ESD garment,

and remove conductive objects such as jewelry or watch. Make sure the wrist strap makes good

skin contact and is reliably grounded.

Attaching an ESD wrist strap

No ESD wrist strap is provided with the device. Prepare one yourself.

To attach an ESD wrist strap:

1. Wear the wrist strap on your wrist.

2. Lock the wrist strap tight around your wrist to maintain good contact with the skin.

3. Secure the wrist strap lock and the alligator clip lock together.

4. Attach the alligator clip to the rack.

5. Make sure the rack is reliably grounded.

Figure1-2 Attaching an ESD wrist strap (WX1840H)

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, use the following guidelines:

• Take effective measures to filter interference from the power grid.

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

devices.

• Use electromagnetic shielding, for example, shielded interface cables, when necessary.

1-5

• To prevent signal ports from getting damaged by overvoltage or overcurrent caused by lightning

strikes, route interface cables only indoors.

Lightning protection

To enhance lightning protection for the device, follow these guidelines:

• Make sure the device is reliably grounded.

• Make sure the AC power outlet is reliably grounded.

• Install a surge protected power strip at the power input end.

Installation accessories

Figure1-3 Installation accessories

Installation accessory WX1804H-PWR WX1810H-PWR WX1820H WX1840H

Cage nut

N/A 4, user supplied N/A

4, user

supplied

M6 rack screw

N/A 4, user supplied N/A

4, user

supplied

M4 mounting

bracket screw

N/A 4 N/A 4

Rubber feet

1 1 1 1

Grounding

cable

N/A 1 N/A 1

Ring terminal

1 N/A 1 N/A

Console cable

N/A 1 1 1

Power adapter

1 N/A N/A N/A

Power adapter

N/A N/A 1 N/A

Power cord

1 N/A 1 N/A

1-6

Installation accessory WX1804H-PWR WX1810H-PWR WX1820H WX1840H

Bail latch

N/A N/A N/A 1

Front mounting

bracket

N/A N/A N/A 2

Front mounting

bracket

N/A 2 N/A N/A

Installation tools

No installation tools are provided with the device. Prepare them yourself as required.

Figure1-4 Installation tools

1-7

Pre-installation checklist

Table1-4 Pre-installation checklist

Item Requirements Result

Installation

site

Ventilation

• A minimum clearance of 10 cm (3.9 in) is reserved

around the chassis.

• The installation site has a good ventilation system.

Temperature

• WX1804H-PWR/WX1820H: 0°C to 40°C (32°F to

104°F)

• WX1810H-PWR/WX1840H: 0°C to 45°C (32°F to

113°F)

Humidity 5% RH to 95% RH (noncondensing).

Cleanliness

• Dust concentration ≤ 3 x 10

4

particles/m

3

.

• No visible dust on desk within three days.

ESD prevention

• The device is reliably grounded.

• Dust-proof measures are taken in the equipment

room.

• Humidity and temperature are maintained in the

acceptable range.

EMI prevention

• Effective measures are taken for filtering interference

from the power grid.

• The protection ground of the device is away from the

grounding facility of power equipment or lightning

protection grounding facility.

• The device is far away from radio transmitting stations,

radar stations, and high-frequency devices.

• Electromagnetic shielding, for example, shielded

interface cables, is used as required.

Lightning

protection

• The device is reliably grounded.

• The AC power source is reliably grounded.

• (Optional.) Network port lightning protectors are

available.

• (Optional.) A surge protected power strip is available.

Electricity safety

• A UPS is available.

• The power-off switch in the equipment room is

identified and accessible so that the power can be

immediately shut off when an accident occurs.

Safety

precautions

The device is far away from any sources of heat or moisture.

Accessories Installation accessories supplied with the device are available.

Reference

• Documents shipped with the device are available.

• Online documents are available.

i

Contents

2 Installing the device ····································································· 2-1

Installation prerequisites ··········································································································· 2-1

Installation flowchart ················································································································ 2-1

Mounting the device on a workbench ·························································································· 2-2

Mounting the device in a 19-inch rack ·························································································· 2-3

Connecting the grounding cable ································································································· 2-5

Attaching the ring terminal to a grounding cable ······································································ 2-5

Connecting the grounding cable ·························································································· 2-5

(Optional) Installing network port lightning protectors ······································································ 2-8

(Optional) Installing a surge protected power strip ·········································································· 2-9

Connecting interface cables ······································································································ 2-9

Connecting the console cable and setting terminal parameters ·················································· 2-9

Connecting Ethernet cables ······························································································ 2-10

Connecting the power cord ····································································································· 2-11

Connecting the power adapter for the WX1804H-PWR/WX1820H access controller ····················· 2-11

Connecting the AC power cord for the WX1810H-PWR/WX1840H access controller ···················· 2-12

Verifying the installation ·········································································································· 2-12

Starting the device ················································································································ 2-13

2-1

2 Installing the device

IMPORTANT:

Keep the tamper-proof seal on a mounting screw on the chassis cover intact, and if you want to open

the chassis, contact H3C for permission. Otherwise, H3C shall not be liable for any consequence.

Installation prerequisites

• You have read "Preparing for installation" carefully.

• All requirements in "Preparing for installation" are met.

Installation flowchart

Figure2-1 Installation flowchart for the WX1804H-PWR/WX1820H access controller

2-2

Figure2-2 Installation flowchart for the WX1810H-PWR/WX1840H access controller

Mounting the device on a workbench

CAUTION:

• To avoid damaging the device and affecting heat dissipation, do not place heavy objects on the

device.

• Make sure the workbench is anti-static.

2-3

The workbench-mounting procedure is similar for WX1800H series access controllers. The following

procedure uses the WX1804H-PWR access controller as an example.

To mount the device on an anti-static workbench:

1. Place the device upside down on the workbench. Use a cloth to clean the recessed areas on

the bottom.

2. Attach rubber feet to the four recessed areas.

3. Place the device upside up on the workbench. Make sure the four rubber feet stand firmly on

the workbench.

Figure2-3 Mounting the device on a workbench

Mounting the device in a 19-inch rack

IMPORTANT:

As a best practice, reserve a clearance of 1U/44.45 mm (1.75 in) between adjacent devices for

adequate heat dissipation.

Only the WX1810H-PWR and WX1840H access controllers support rack mounting. The following

procedure uses the WX1840H access controller as an example.

To mount the device in a 19-inch rack:

1. Wear an ESD wrist strap. Make sure the rack is sturdy and is reliably grounded.

2. Use a mounting bracket to mark the cage nut installation positions on the front rack posts.

Install cage nuts.

Figure2-4 Installing cage nuts

2-4

3. Use the M4 screws supplied with the mounting brackets to attach the mounting brackets to both

sides of the device.

Figure2-5 Attaching the mounting brackets to the device

4. Supporting the bottom of the device with one hand and holding the front of the device with the

other, put the device in the rack. Use M6 rack screws and cage nuts to attach the mounting

brackets to the front rack posts, as shown in Figure2-6. Make

sure the device is installed

securely in the rack.

Figure2-6 Installing the device in the rack

2-5

Connecting the grounding cable

CAUTION:

• Correctly connecting the grounding cable is crucial to lightning protection and EMI protection. To

install and use the device, first connect the grounding cable reliably for the device.

• Connect the grounding cable to the grounding system in the equipment room. Do not connect it

to a fire main or lightning rod.

Attaching the ring terminal to a grounding cable

No grounding cable is provided with the WX1804H-PWR or WX1820H access controller. You need to

purchase a grounding cable and attach the ring terminal provided with the access controller to the

grounding cable.

The WX1810H-PWR and WX1840H access controllers each are provided with a grounding cable

that has a ring terminal attached.

To attach the ring terminal to a grounding cable:

1. Cut the grounding cable to a length as required by the connection distance.

2. Use a wire stripper to strip 5 mm (0.20 in) of insulation off the end of the grounding cable.

3. Slide the heat-shrink tubing onto the cable and insert the bare metal part into the end of the ring

terminal.

4. Use a crimper to secure the metal part of the cable to the ring terminal.

5. Slide the heat-shrink tubing down the cable until the tube covers the joint.

6. Use a heat gun to shrink the tubing around the cable.

Figure2-7 Attaching the ring terminal to a grounding cable

Connecting the grounding cable

Grounding the device by using a grounding strip

The WX1800H series access controllers use the same procedure for grounding by using a grounding

strip. The following procedure uses the WX1804H-PWR access controller as an example.

To ground the device by using a grounding strip:

1. Connect the grounding cable to the device.

a. Use a Phillips screwdriver to remove the grounding screw from the grounding hole in the

rear panel of the chassis.

2-6

b. Use the grounding screw to attach the ring terminal of the grounding cable to the grounding

hole and fasten the screw.

2. Connect the other end of the grounding cable to the grounding strip. Make sure the grounding

strip is reliably grounded.

Figure2-8 Grounding the device by using a grounding strip

Grounding the device by using a grounding point on the rack

CAUTION:

To ground the device by using a grounding point on the rack, make sure the rack is reliably

grounded.

The WX1810H-PWR and WX1840H access controllers support grounding by using a grounding

point on the rack. The following procedure uses the WX1840H access controller as an example.

To ground the device by using a grounding point on the rack:

1. Connect the grounding cable to the device. For the connection procedure, see "Grounding the

device by u

sing a grounding strip."

2. Connect the other end of the grounding cable to a grounding point on the rack.

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