Dell PowerConnect 3524 Guida utente

www.dell.com | support.dell.com

Dell™ PowerConnect™ 30xx and 50xx Switches

System Information Guide

Příručka k zařízení

Guide d'information sur le système

Systeminformationshandbuch

Przewodnik – informacje o systemie

Guia de informações do sistema

Ðóêîâîäñòâî ïî ñèñòåìå

Guía de información del sistema

תכרעמל עדימ ךירדמ

Models PowerConnect 3024, PowerConnect 3048, PowerConnect 5012

www.dell.com | support.dell.com

Dell™ PowerConnect™ 30xx and 50xx Switches

System Information Guide

Notes, Notices, and Cautions

NOTE: A NOTE indicates important information that helps you make better

use of your system.

NOTICE: A NOTICE indicates either potential damage to hardware or loss of

data and tells you how to avoid the problem.

CAUTION: A CAUTION indicates a potential for property damage,

personal injury, or death.

____________________

Information in this document is subject to change without notice.

Reproduction in any manner whatsoever without the written permission of Dell Computer

Corporation is strictly forbidden.

Trademarks used in this text: Dell, the DELL logo, and PowerConnect are trademarks of Dell

Computer Corporation; Microsoft and Windows are registered trademarks of Microsoft Corporation;

EMC is the registered trademark of EMC corporation.

Other trademarks and trade names may be used in this document to refer to either the entities claiming

the marks and names or their products. Dell Computer Corporation disclaims any proprietary interest

in trademarks and trade names other than its own.

October 2002 P/N 3X685 Rev. A00

Contents 3

Contents

Caution: Safety Instructions . . . . . . . . . . . . . . . . . . . . 5

General

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Rack Mounting of Systems

. . . . . . . . . . . . . . . . . . . 6

Modems, Telecommunications, or Local Area

Network Options

. . . . . . . . . . . . . . . . . . . . . . . . 8

When Working Inside Your System

. . . . . . . . . . . . . . . . 8

Protecting Against Electrostatic Discharge

. . . . . . . . . . . 8

About This Guide

. . . . . . . . . . . . . . . . . . . . . . . . . . 9

Finding Information and Assistance

. . . . . . . . . . . . . . . . 10

Getting Started/Setup

. . . . . . . . . . . . . . . . . . . . . . . 10

Package Contents

. . . . . . . . . . . . . . . . . . . . . . . . 10

Before You Connect to the Network:

Mounting Kit Instructions

. . . . . . . . . . . . . . . . . . . . 11

Connecting the Console Port

. . . . . . . . . . . . . . . . . . . 12

Password Protection

. . . . . . . . . . . . . . . . . . . . . . 13

IP Address Assignment

. . . . . . . . . . . . . . . . . . . . . 14

Connecting Devices to the Switch

. . . . . . . . . . . . . . . . 15

Regulatory Information

. . . . . . . . . . . . . . . . . . . . . . . 15

CE Notice (European Union)

. . . . . . . . . . . . . . . . . . 17

EN 55022 Compliance (Czech Republic Only)

. . . . . . . . . . 18

Polish Center for Testing and Certification Notice

. . . . . . . . 18

4 Contents

PowerConnect System Information Guide 5

Caution: Safety Instructions

Use the following safety guidelines to ensure your own personal safety and to help protect

your system f

rom potential damage.

General

• Observe and follow service markings. Do not service any product except as explained

in your system documentation. Opening or removing covers that are marked with the

triangular symbol with a lightning bolt may expose you to electrical shock.

Components inside these compartments should be serviced only by a trained service

technician.

• If any of the following conditions occur, unplug the product from the electrical outlet

and replace the part or contact your trained service provider:

– The power cable, extension cable, or plug is damaged.

– An object has fallen into the product.

– The product has been exposed to water.

– The product has been dropped or damaged.

– The product does not operate correctly when you follow the operating

instructions.

• Keep your system away from radiators and heat sources. Also, do not block cooling

vents.

• Do not spill food or liquids on your system components, and never operate the

product in a wet environment. If the system gets wet, see the appropriate section in

your troubleshooting guide or contact your trained service provider.

• Do not push any objects into the openings of your system. Doing so can cause fire or

electric shock by shorting out interior components.

• Use the product only with approved equipment.

• Allow the product to cool before removing covers or touching internal components.

• Operate the product only from the type of external power source indicated on the

electrical ratings label. If you are not sure of the type of power source required,

consult your service provider or local power company.

6 PowerConnect System Information Guide

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• Use only approved power cable(s). If you have not been provided with a power cable

for your system or for any AC-powered option intended for your system, purchase a

power cable that is approved for use in your country. The power cable must be rated

for the product and for the voltage and current marked on the product's electrical

ratings label. The voltage and current rating of the cable should be greater than the

ratings marked on the product.

• To help prevent electric shock, plug the system and peripheral power cables into

properly grounded electrical outlets. These cables are equipped with three-prong

plugs to help ensure proper grounding. Do not use adapter plugs or remove the

grounding prong from a cable. If you must use an extension cable, use a 3-wire cable

with properly grounded plugs.

• Observe extension cable and power strip ratings. Make sure that the total ampere

rating of all products plugged into the extension cable or power strip does not exceed

80 percent of the ampere ratings limit for the extension cable or power strip.

• To help protect your system from sudden, transient increases and decreases in

electrical power, use a surge suppressor, line conditioner, or uninterruptible power

supply (UPS).

• Position system cables and power cables carefully; route cables so that they cannot be

stepped on or tripped over. Be sure that nothing rests on any cables.

• Do not modify power cables or plugs. Consult a licensed electrician or your power

company for site modifications. Always follow your local/national wiring rules.

• When connecting or disconnecting power to hot-pluggable power supplies, if offered

with your system, observe the following guidelines:

– Install the power supply before connecting the power cable to the power supply.

– Unplug the power cable before removing the power supply.

– If the system has multiple sources of power, disconnect power from the system by

unplugging all power cables from the power supplies.

• Move products with care; ensure that all casters and/or stabilizers are firmly

connected to the system. Avoid sudden stops and uneven surfaces.

Rack Mounting of Systems

Observe the following precautions for rack stability and safety. Also refer to the rack

installation documentation accompanying the system and the rack for specific caution

statements and procedures.

Caution: Safety Instructions (continued)

PowerConnect System Information Guide 7

Systems are considered to be components in a rack. Thus, "component" refers to any

system as well as to various peripherals or supporting hardware.

CAUTION: Installing systems in a rack without the front and side stabilizers

installed could cause the rack to tip over, potentially resulting in bodily injury

under certain circumstances. Therefore, always install the stabilizers before

installing components in the rack.

After installing system/components in a rack, never pull more than one

component out of the rack on its slide assemblies at one time. The weight of

more than one extended component could cause the rack to tip over and may

result in serious injury.

NOTE: Your system is safety-certified as a free-standing unit and as a component for

use in a Dell rack cabinet using the customer rack kit. The installation of your system

and rack kit in any other rack cabinet has not been approved by any safety agencies.

It is your responsibility to have the final combination of system and rack kit in a rack

cabinet evaluated for suitability by a certified safety agency. Dell disclaims all

liability and warranties in connection with such combinations.

• System rack kits are intended to be installed in a rack by trained service technicians. If

you install the kit in any other rack, be sure that the rack meets the specifications of a

Dell rack.

CAUTION: Do not move racks by yourself. Due to the height and weight of the

rack, a minimum of two people should accomplish this task.

• Before working on the rack, make sure that the stabilizers are secured to the rack,

extended to the floor, and that the full weight of the rack rests on the floor. Install

front and side stabilizers on a single rack or front stabilizers for joined multiple racks

before working on the rack.

• Always load the rack from the bottom up, and load the heaviest item in the rack first.

• Make sure that the rack is level and stable before extending a component from the

rack.

• Use caution when pressing the component rail release latches and sliding a

component into or out of a rack; the slide rails can pinch your fingers.

• After a component is inserted into the rack, carefully extend the rail into a locking

position, and then slide the component into the rack.

• Do not overload the AC supply branch circuit that provides power to the rack. The

total rack load should not exceed 80 percent of the branch circuit rating.

• Ensure that proper airflow is provided to components in the rack.

Caution: Safety Instructions (continued)

8 PowerConnect System Information Guide

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• Do not step on or stand on any component when servicing other components in a

rack.

CAUTION: A qualified electrician must perform all connections to DC power and

to safety grounds. All electrical wiring must comply with applicable local or

national codes and practices.

CAUTION: Never defeat the ground conductor or operate the equipment in the

absence of a suitably installed ground conductor. Contact the appropriate

electrical inspection authority or an electrician if you are uncertain that

suitable grounding is available.

CAUTION: The system chassis must be positively grounded to the rack cabinet

frame. Do not attempt to connect power to the system until grounding cables

are connected. Completed power and safety ground wiring must be inspected by

a qualified electrical inspector. An energy hazard will exist if the safety ground

cable is omitted or disconnected.

Modems, Telecommunications, or Local Area Network Options

• Do not connect or use a modem during a lightning storm. There may be a risk of

electrical shock from lightning.

• Never connect or use a modem in a wet environment.

• Do not plug a modem or telephone cable into the network interface controller (NIC)

receptacle.

• Disconnect the modem cable before opening a product enclosure, touching or

installing internal components, or touching an uninsulated modem cable or jack.

When Working Inside Your System

Protecting Against Electrostatic Discharge

NOTICE: Only a certified service technician should perform repairs on your system. Damage

due to servicing that is not authorized by Dell is not covered by your warranty.

Static electricity can harm delicate components inside your system. To prevent static

damage, discharge static electricity from your body before you touch any of the electronic

components, such as the microprocessor. You can do so by periodically touching an

unpainted metal surface on the chassis.

Caution: Safety Instructions (continued)

PowerConnect System Information Guide 9

About This Guide

This document contains getting started/setup, safety, regulatory, and

warranty information about your Dell

™ PowerConnect™ network switch.

To obtain the latest versions of the documents on your hard drive, go to the

Dell Support website at support.dell.com.

You can also take the following steps to prevent damage from electrostatic discharge

(ESD):

• When unpacking a static-sensitive component from its shipping carton, do not

remove the component from the antistatic packing material until you are ready to

install the component in your system. Just before unwrapping the antistatic

packaging, be sure to discharge static electricity from your body.

• When transporting a sensitive component, first place it in an antistatic container or

packaging.

• Handle all sensitive components in a static-safe area. If possible, use antistatic floor

pads and workbench pads and an antistatic grounding strap.

NOTE: Your system may also include circuit cards or other components that contain

batteries. These batteries must also be disposed of in a battery deposit site. For

information about such batteries, refer to the documentation for the specific card or

component.

Caution: Safety Instructions (continued)

10 PowerConnect System Information Guide

www.dell.com | support.dell.com

Finding Information and Assistance

Getting Started/Setup

Package Contents

Before you begin installing the switch, confirm that your package contains

the following items:

• Switch

• AC power cable

• Null modem cable

• Self-adhesive rubber pads for desktop installation

Resource Contents Using the Resource

Dell Support website

• Technical support and

information

• Downloads for your system

• Order or delivery status

• Hints and tips, technology

papers, service information

Go to support.dell.com and complete the one-time

registration.

• Get help with general usage, installation, and

troubleshooting questions.

• Obtain answers to technical service and support

questions.

• Get the latest versions of the drivers for your system.

• Access documentation about your system and

devices.

• Join online discussions with other Dell customers

and Dell technical professionals.

• Explore a list of online links to Dell's primary

vendors.

Dell Premier Support website

• Service call status

• Top technical issues by

product

• Frequently asked questions

by product number

• Customized service tags

• System configuration detail

Go to premiersupport.dell.com:

The Dell Premier Support website is customized for

corporate, government, and education customers.

This site may not be available in all regions.

PowerConnect System Information Guide 11

• Rackmount kit for rack installation

• Dell PowerConnect CD

Before You Connect to the Network: Mounting Kit Instructions

NOTICE: Do not connect the switch to the network until you have established

the correct Internet Protocol (IP) settings.

Before you connect to the network, you must install the switch on a flat

surface or in a rack, set up a terminal emulation program, and plug in the

power cable. Then you will set up a password and IP address.

The switch is supplied with rubber feet for stationing it on a flat surface and

mounting brackets and screws for mounting it in a rack.

Installing on a Flat Surface

The switch can be installed on any appropriate level surface that can safely

support the weight of the hubs and their attached cables. There must be

adequate space around the switch for ventilation and access to cable

connectors.

To install the switch on a flat surface:

1 Set the switch on the flat surface and check for proper ventilation.

Allow at least 5.1 cm (2 inches) on each side for proper ventilation and

12.7 cm (5 inches) at the back for power cable clearance.

2 Attach rubber feet on each marked location on the bottom of the

chassis.

The rubber feet are optional but recommended to keep the unit from

slipping.

Installing in a Rack

The switch can be installed in most standard 48.3-cm (19-inch) racks.

NOTE: For racks that

are not prethreaded, cage

nuts are provided.

To install the switch in a rack:

1 Use the supplied screws to attach a mounting bracket to each side of

the switch.

2 Position the switch in the rack and align the holes in the mounting

bracket with the holes in the rack.

12 PowerConnect System Information Guide

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3 Insert and tighten two screws appropriate for your rack through each of

the mounting brackets.

Connecting the Console Port

The switch provides an RS-232 serial port that enables a connection to a

desktop system or terminal for monitoring and configuring the switch. This

port is a male DB-9 connector, implemented as a data terminal equipment

(DTE) connection.

To use the console port, you need the following equipment:

• A terminal or TTY-compatible terminal, or a desktop or portable

system with a serial port and the capability to emulate a terminal

• A null modem or crossover RS-232 cable with a female DB-9

connector for the console port on the switch

To connect a terminal to the console port:

1 Connect the female connector of the RS-232 cable directly to the

console port on the switch, and tighten the captive retaining screws.

2 Connect the other end of the cable to a terminal or the serial

connector of a desktop system running terminal emulation software.

Ensure the terminal emulation software is set as follows:

a Select the appropriate serial port (serial port 1 or serial port 2).

b Set the data rate to 9600 baud.

c Set the data format to 8 data bits, 1 stop bit, and no parity.

d Set flow control to none.

e Under Properties, select VT100 for Emulation mode.

f Select Terminal keys for Function, Arrow, and Ctrl keys. Ensure

that the setting is for Terminal keys (not Windows keys).

NOTICE: When using HyperTerminal with Microsoft

®

Windows

®

2000,

ensure that you have Windows 2000 Service Pack 2 or later installed. With

Windows 2000 Service Pack 2, the arrow keys function properly in

HyperTerminal’s VT100 emulation. Go to www.microsoft.com for information

on Windows 2000 service packs.

PowerConnect System Information Guide 13

3 Once you have set up the terminal correctly, plug the power cable into

the power receptacle on the back of the switch.

The boot sequence appears in the terminal.

Password Protection

NOTE: The first time you

set up Password

Protection, you must do it

from the console screen.

Once the switch is set up,

it can be managed

through the web interface.

See Section 3, “Web

Interface,” for more

information.

From the initial welcome screen, you must enter a password to proceed,

if password protection is enabled. If password protection is disabled, the

Main Menu is displayed and you immediately have access to the switch

management interface. By default, password protection is disabled.

If enabled, the default password is switch and the default username is root.

To prevent unauthorized access to the switch, turn on password protection:

1 Select System Manager and press <Enter>.

Use the <Tab> key to navigate the menu.

2 Select Security Admin.

3 Type your password and press <Enter>.

14 PowerConnect System Information Guide

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4 Type your password again to confirm it and press <Enter>.

5 Press <Ctrl><w> to save your changes.

NOTE: If you enable password protection without setting your own

password, the default password is switch.

IP Address Assignment

Before you can assign an IP address to the switch, you must obtain the

following information from your network administrator:

• IP address for the switch

• Default gateway for the network

• Network mask for this network

To assign an IP address to the switch:

1 From the Main Menu, select System Manager and press <Enter>.

2 Select IP Settings.

3 In the first field, type the correct IP address for the system.

4 Enter the IP address of the default gateway for the network to which

the switch belongs.

PowerConnect System Information Guide 15

5 Enter the network mask for this network.

6 Press <Ctrl><w> to save your changes.

7 After you make IP changes, restart the system.

8 Press <Esc> twice to return to the Main Menu.

9 Select System Manager and then select Reset to restart the switch.

Confirm the reset.

NOTICE: You must restart the system from the System Manager/Reset page

for the changes to take effect.

Connecting Devices to the Switch

At this point, you are ready to use appropriate network cabling to connect

devices to the switch’s RJ-45 connectors.

To connect a device to a GBIC port:

1 Use your cabling requirements to select an appropriate GBIC

module type.

2 Insert the GBIC module (sold separately) into the GBIC slot.

3 Use the appropriate network cabling to connect a device to the

connectors on the GBIC module.

Regulatory Information

Electromagnetic Interference (EMI) is any signal or emission, radiated in

free space or conducted along power or signal leads, that endangers the

functioning of a radio navigation or other safety service or seriously

degrades, obstructs, or repeatedly interrupts a licensed radio

communications service. Radio communications services include but are

not limited to AM/FM commercial broadcast, television, cellular services,

radar, air-traffic control, pager, and Personal Communication Services

(PCS). These licensed services, along with unintentional radiators such as

digital devices, including computer systems, contribute to the

electromagnetic environment.

16 PowerConnect System Information Guide

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Electromagnetic Compatibility (EMC) is the ability of items of electronic

equipment to function properly together in the electronic environment.

While this computer system has been designed and determined to be

compliant with regulatory agency limits for EMI, there is no guarantee that

interference will not occur in a particular installation. If this equipment

does cause interference with radio communications services, which can be

determined by turning the equipment off and on, you are encouraged to try

to correct the interference by one or more of the following measures:

• Reorient the receiving antenna.

• Relocate the computer with respect to the receiver.

• Move the computer away from the receiver.

• Plug the computer into a different outlet so that the computer and the

receiver are on different branch circuits.

If necessary, consult a Dell Technical Support representative or an

experienced radio/television technician for additional suggestions.

Dell computer systems are designed, tested, and classified for their

intended electromagnetic environment. These electromagnetic

environment classifications generally refer to the following harmonized

definitions:

• Class A is typically for business or industrial environments.

• Class B is typically for residential environments.

Information Technology Equipment (ITE), including peripherals,

expansion cards, printers, input/output (I/O) devices, monitors, and so on,

that are integrated into or connected to the system should match the

electromagnetic environment classification of the computer system.

A Notice About Shielded Signal Cables: Use only shielded cables for

connecting peripherals to any Dell device to reduce the possibility of

interference with radio communications services. Using shielded cables

ensures that you maintain the appropriate EMC classification for the

intended environment. For parallel printers, a cable is available from Dell.

If you prefer, you can order a cable from Dell on the World Wide Web at

accessories.us.dell.com/sna/category.asp?category_id=4117.

PowerConnect System Information Guide 17

Most Dell computer systems are classified for Class B environments.

However, the inclusion of certain options can change the rating of some

configurations to Class A. To determine the electromagnetic classification

for your system or device, refer to the following sections specific for each

regulatory agency. Each section provides country-specific EMC/EMI or

product safety information.

CE Notice (European Union)

Marking by the symbol indicates compliance of this Dell computer to

the EMC Directive and the Low Voltage Directive of the European Union.

Such marking is indicative that this Dell system meets the following

technical standards:

• EN 55022 — "Information Technology Equipment — Radio

Disturbance Characteristics — Limits and Methods of Measurement."

• EN 55024 — "Information Technology Equipment - Immunity

Characteristics - Limits and Methods of Measurement."

• EN 61000-3-2 — "Electromagnetic Compatibility (EMC) - Part 3:

Limits - Section 2: Limits for Harmonic Current Emissions

(Equipment Input Current Up to and Including 16 A Per Phase)."

• EN 61000-3-3 — "Electromagnetic Compatibility (EMC) - Part 3:

Limits - Section 3: Limitation of Voltage Fluctuations and Flicker in

Low-Voltage Supply Systems for Equipment With Rated Current Up

to and Including 16 A."

• EN 60950 — "Safety of Information Technology Equipment."

NOTE: EN 55022 emissions requirements provide for two classifications:

• Class A is for typical commercial areas.

• Class B is for typical domestic areas.

RF INTERFERENCE WARNING: This is a Class A product. In a

domestic environment this product may cause radio frequency (RF)

interference, in which case the user may be required to take adequate

measures.

A "Declaration of Conformity" in accordance with the preceding directives

and standards has been made and is on file at Dell Computer Corporation

Products Europe BV, Limerick, Ireland.

18 PowerConnect System Information Guide

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EN 55022 Compliance (Czech Republic Only)

Polish Center for Testing and Certification Notice

The equipment should draw power from a socket with an attached

protection circuit (a 3-prong socket). All equipment that works together

(computer, monitor, printer, and so on) should have the same power supply

source.

The phasing conductor of the room’s electrical installation should have a

reserve short-circuit protection device in the form of a fuse with a nominal

value no larger than 16 amperes (A).

To completely switch off the equipment, the power supply cable must be

removed from the power supply socket, which should be located near the

equipment and easily accessible.

A protection mark "B" confirms that the equipment is in compliance with

the protection usage requirements of standards PN-93/T-42107 and

PN-EN 55022: 1996.

This device belongs to Class B devices as described in EN 55022, unless

it is specifically stated that it is a Class A device on the specification

label. The following applies to devices in Class A of EN 55022 (radius of

protection up to 30 meters). The user of the device is obliged to take all

steps necessary to remove sources of interference to telecommunication

or other devices.

Pokud není na typovém štitku počítače uvedeno, že spadá do třídy

A podle EN 55022, spadá automaticky do třídy B podle EN 55022.

Pro zařízení zařazená do třídy A (ochranné pásmo 30m) podle

EN 55022 platí následující. Dojde−li k rušení telekomunikačních

nebo jinych zařízení, je uživatel povinen provést taková opatření,

aby rušení odstranil.

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