Dell PowerConnect 2216 Manuale utente

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Dell™ PowerConnect™ 22xx/23xx

Switches

User’s Guide

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Notes, Notices, and Cautions

NOTE: A NOTE indicates important information that helps you make better use of your computer.

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 Inc. is strictly forbidden.

Trademarks used in this text: Dell, the DELL logo, Inspiron, Dell Precision, Dimension, OptiPlex, Latitude, PowerEdge, PowerVault,

PowerApp, Axim, DellNet, and PowerConnect are trademarks of Dell Inc.

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 Inc. disclaims any proprietary interest in trademarks and trade names other than its own.

Models PowerConnect 2216, PowerConnect 2224, PowerConnect 2324

April 2004 Rev. A01

Contents 3

Contents

1 Introduction

Package Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Front Panel Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Power (POWER) LED . . . . . . . . . . . . . . . . . . . . . . . . . 6

10/100Base-T Ports Link/Activity (SPD/LNK/ACT) LED . . . . . . . . . . 6

1000Base-T Ports Link/Activity (SPD/LNK/ACT) LED (2324 only) . . . . . 7

Duplex Mode/Collisions (FDX/HDX) LED . . . . . . . . . . . . . . . . 7

Connecting Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

RJ-45 Switch Ports . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Connecting Switches to Each Other . . . . . . . . . . . . . . . . . . 9

Connecting Switches to Other Devices . . . . . . . . . . . . . . . . . 9

Typical Deployments. . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Class-of-Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Mounting Kit Instructions . . . . . . . . . . . . . . . . . . . . . . . . . 11

Installing the Switch on a Flat Surface . . . . . . . . . . . . . . . . . 11

Installing the Switch in a Rack . . . . . . . . . . . . . . . . . . . . . 11

Installing the Switch on a Wall . . . . . . . . . . . . . . . . . . . . . 12

Technical Information . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2 Troubleshooting

3 Getting Help

Technical Assistance . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Online Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

AutoTech Service . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Automated Order-Status Service. . . . . . . . . . . . . . . . . . . . 20

Technical Support Service. . . . . . . . . . . . . . . . . . . . . . . 20

Dell Enterprise Training and Certification . . . . . . . . . . . . . . . . . . 21

Problems With Your Order . . . . . . . . . . . . . . . . . . . . . . . . . 21

4Contents

Product Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Returning Items for Warranty Repair or Credit. . . . . . . . . . . . . . . . 21

Before You Call . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Contacting Dell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Figures

Figure 1-1. PowerConnect 2216 . . . . . . . . . . . . . . . . 7

Figure 1-2. PowerConnect 2224 . . . . . . . . . . . . . . . . 8

Figure 1-3. PowerConnect 2324 . . . . . . . . . . . . . . . . 8

Figure 1-4. Cascading Switches . . . . . . . . . . . . . . . . 9

Figure 1-5. Small Workgroup . . . . . . . . . . . . . . . . . 10

Figure 1-6. Large Workgroup . . . . . . . . . . . . . . . . . 10

Figure 1-7. Brackets for Rack Installation . . . . . . . . . . . 12

Figure 1-8. Brackets for Wall Installation . . . . . . . . . . . 13

Tables

Table 1-1. Tag-Based Prioritization . . . . . . . . . . . . . 11

Table 1-2. Specifications . . . . . . . . . . . . . . . . . 13

Table 2-1. Basic Troubleshooting . . . . . . . . . . . . . . 15

Introduction 5

Introduction

Dell™ PowerConnect™ 22

/23

switches provide 10/100Base-T or 10/100/1000Base-T Gigabit

plug-and-play Fast Ethernet connectivity. The switches have the following features:

• Product specifications

– PowerConnect 2216

• Provides 16 ports supporting 10/100Base-T Ethernet.

• All ports support full- or half-duplex mode and PAUSE frames.

– PowerConnect 2224

• Provides 24 ports supporting 10/100Base-T Ethernet.

• All ports support full- or half-duplex mode and PAUSE frames.

– PowerConnect 2324

• Provides 24 ports supporting 10/100Base-T Ethernet and an additional 2 ports

supporting 1000Base-T Ethernet.

• The 10/100Base-T ports support full- or half-duplex mode; the 1000Base-T ports

support full-duplex mode only.

• The 10/100Base-T ports support PAUSE frames; the 1000Base-T ports do not support

PAUSE frames.

• Complies with IEEE 802.3 10Base-T, IEEE 802.3u 100Base-TX, IEEE 802.3z/ab 1000Base-T

• Tag-based IEEE 802.1p Class-of-Service with two priority queues per port

• The 10/100Base-T ports support IEEE 802.3x PAUSE frames flow control in full-duplex

operation

• Automatic negotiation for speed and full- and half-duplex mode on all ports

NOTE: 1000Base-T ports operate in full-duplex mode only.

• Backpressure flow control in half-duplex operation

• Collision detection on all ports

• Auto MDI/MDIX

• 8K MAC address entries supported

6Introduction

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• Comprehensive LED indicator panel to monitor overall switching condition

• 19-inch rackmountable and wallmountable, standard 1U chassis

• Internal power supply

Package Contents

Before you install a switch, verify that your package contains the following items:

•Switch

• Self-adhesive rubber pads for desktop installation

• Kit for 19-inch rack installation

• Kit for wallmount installation

•

PowerConnect

xx/23xx Switches

• AC power cord

Front Panel Indicators

All 22

xx/23xx

switches contain two rows of LEDS that provide information about connection

speed, data activity, and duplex operation mode.

Power (POWER) LED

• Green — The switch is powered on.

• Off — The switch is not powered on.

10/100Base-T Ports Link/Activity (SPD/LNK/ACT) LED

• Steady green — A 100-Mbps link has been established, but no data is being transmitted or

received.

• Blinking green — A 100-Mbps link has been established and data is being transmitted or

received.

• Steady amber — A 10-Mbps link has been established, but no data is being transmitted or

received.

• Blinking amber — A 10-Mbps link has been established and data is being transmitted or

received.

• Off — No link established.

Introduction 7

1000Base-T Ports Link/Activity (SPD/LNK/ACT) LED (2324 only)

• Steady green — A 1000-Mbps link has been established, but no data is being transmitted or

received.

• Blinking green — A 1000-Mbps link has been established and data is being transmitted or

received.

• Off — No link established.

Duplex Mode/Collisions (FDX/HDX) LED

• Steady green — The port is operating in full-duplex mode.

• Blinking green — Collisions are occurring on the port.

• Off — The port is operating in half-duplex mode.

Figure 1-1. PowerConnect 2216

COMMENT

power LED

FDX/HDX LEDs

SPD/LNK/ACT LEDs

RJ-45 ports

8Introduction

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Figure 1-2. PowerConnect 2224

Figure 1-3. PowerConnect 2324

RJ-45 ports

FDX/HDX LEDs

SPD/LNK/ACT LEDs

power LED

RJ-45 ports

power LED

FDX/HDX LEDs

SPD/LNK/ACT LEDs

Introduction 9

Connecting Devices

RJ-45 Switch Ports

RJ-45 connectors are located on the front panel of the switch.

NOTE: Ensure that Category 5E (CAT 5E) cabling is used for connecting devices at 1000-Mbps Gigabit

Ethernet speed.

All ports can negotiate full- and half-duplex modes automatically. The 10/100base-T ports negotiate

full/half duplex and the 1000base-T ports operates in full-duplex mode only. These switching ports

allow users to connect the switches to 10Base-T and 100Base-T devices on ports 1-16 (2216), ports

1-24 (2224, 2324) and 1000Base-T devices on uplink ports 25 and 26 on the 2324.

Connecting Switches to Each Other

Each port supports Auto MDI and MDIX functionality. When cascading with other switches or

hubs, each port can connect directly to a switch or hub with straight-through twisted-pair cable

(see Figure 1-4).

NOTE: Do not connect two switches together with more than one cable. Using multiple cables to

connect switches can create a loop and cause loss of network connectivity.

Figure 1-4. Cascading Switches

Connecting Switches to Other Devices

By connecting a switch to other devices, you can form a small network. All the RJ-45 ports support

Auto MDI/MDIX and therefore automatically detect the type of cable used to connect the network

device. Crossover or straight-through networking cables can be used to connect PCs as well as other

networking devices like hubs or routers to the switch. All ports on the switch automatically

negotiate speed and whether to operate in full duplex or half duplex.

10 Introduction

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Typical Deployments

Figure 1-5. Small Workgroup

Figure 1-6. Large Workgroup

Class-of-Service

The switch supports tag-based prioritization following the IEEE 802.1p standard. The eight levels

of IEEE 802.1p priority are mapped to the two priority queues of each port. For each port, the two

priority queues are scheduled following a Weighted Round Robin scheme.

PowerConnect

PC Network Firewall

Router

Printer

2216, 2224, 2324

10/100Base-T

PowerConnect

PC Network

Firewall

Router

Printer

1000Base-T 2324

PowerConnect

1000Base-T 2324

10/100Base-T

Server

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