Dell PowerConnect 2216 Manuale utente

Dell™PowerConnect™2216/2224/2324SwitchesUser'sGuide

Introduction

Troubleshooting

Getting Help

Notes, Notices, and Cautions

Information in this document is subject to change without notice.

©2004DellInc.Allrightsreserved.

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

January2004Rev.A00

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.

Back to Contents Page



Introduction

Dell™PowerConnect™2216/2224/2324SwitchesUser'sGuide

Package Contents

Front Panel Indicators

Connecting Devices

Typical Deployments

Class-of-Service

Mounting Kit Instructions

Technical Information



Dell™PowerConnect™switchesprovide10/100-Mbps Gigabit or 10/100/1000-Mbps Gigabit Ethernet connectivity. The switches have the following features:

lSwitch ports

¡PowerConnect2216—16 ports, 10/100-Mbps Gigabit

¡PowerConnect2224—24 ports, 10/100-Mbps Gigabit

¡PowerConnect2324—24 ports, plus two additional RJ-45 Gigabit Ethernet ports, 10/100/1000-Mbps Gigabit.

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

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

lIEEE 802.3x PAUSE frames flow control in full-duplex operation

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

lBackpressure flow control in half-duplex operation

lCollision detection on all ports

lAuto MDI/MDIX

l8K MAC address entries supported

lComprehensive LED indicator panel to monitor overall switching condition

l19-inch rackmountable and wallmountable, standard 1U chassis

lInternal power supply



Package Contents



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

lSwitch

lSelf-adhesive rubber pads for desktop installation

lKit for 19-inch rack installation

lKit for wallmount installation of 16-and 24-port switches

lPowerConnect 2216/2224/2324 Switches CD

lAC power cord



Front Panel Indicators



Your PowerConnect switch contains two rows of LEDS that provide information about connection speed, data activity, and duplex operation mode.



Power (POWER) LED

lGreen —The switch is powered on.

lOff —The switch is off.



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

lSteady green —A 100-Mbps link has been established, but no data is being transmitted or received.

lBlinking green —A 100-Mbps link has been established and data is being transmitted or received.

lSteady amber —A 10-Mbps link has been established, but no data is being transmitted or received.

lBlinking amber —A 10-Mbps link has been established and data is being transmitted or received.

lOff —No link has been established.



10/100/1000 Ports Link/Activity (SPD/LNK/ACT) LED (2324 only)

lSteady green —A 1000-Mbps link has been established, but no data is being transmitted or received.

lBlinking green —A 1000-Mbps link has been established and data is being transmitted or received.

lSteady amber —A 10-Mbps or 100-Mbps link has been established, but no data is being transmitted or received.

lBlinking amber —A 10-Mbps or 100-Mbps link has been established and data is being transmitted or received.

lOff —No link has been established.



Duplex Mode/Collisions (FDX/HDX) LED

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

lBlinking green —Collisions are occurring on the port.

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

Figure 1-1. PowerConnect 2216



Figure 1-2. PowerConnect 2224



Figure 1-3. PowerConnect 2324



Connecting Devices



RJ-45 Switch Ports



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



All ports can negotiate full-and half-duplex modes automatically. These switching ports allow users to connect the switches to 10Base-T and 100Base-T on

ports 1-16 (2216), ports 1-24 (2224, 2324) and 1000Base-T devices on uplink ports 25 and 26 on the 2324.



Connecting Two or More Switches Together



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).



Figure 1-4. Cascading Switches

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

NOTE: Do not connect two switches together with more than one cable. Using multiple cables to connect switches can create a loop and cause

collisions.



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.



Typical Deployments



Your switch can be deployed in small and large workgroups. Figure1-5 depicts a typical small workgroup network that has a limited number of attached

devices. Figure1-6 Figure 1.6 depicts a typical large workgroup that has several groups of individuals not all working in the same physical area.

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.



Table 1-1. Tag-Based Prioritization



Mounting Kit Instructions



The switches come with mounting brackets and screws for rackmounting or wallmounting and rubber feet for stationing on a flat surface.



Installing the Switch on a Flat Surface



The switch can be installed on any appropriate level surface that can safely support the weight of the switches 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, complete the following steps:

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 are recommended to keep the switch from slipping.



Installing the Switch in a Rack



TheswitchcanbeinstalledinDellPowerEdge™racks,whichare48.3cm(19inches).Itcanalsobeinstalledinmostotherstandard19-inch racks and most

telco two-post racks.



To install the switch in a rack, complete the following steps:

1. Use the supplied screws to attach a mounting bracket to each side of the switch (see Figure1-7).

Figure 1-7. Brackets for Rack Installation



IEEE 802.1p Priority

Priority Queue

Scheduling Weight

0-3

0

1

4-7

1

4

NOTE: The IEEE 802.1p priority information is part of the IEEE 802.1q tag that also defines VLAN memberships. The switches will ignore the VLAN

membership information in the tag (that is, all ports are part of all VLANs), but will preserve the full tag information—including packet priority and

VLANID—when transmitting the packet at the destination port.

NOTE: Do not install rubber feet on the switch if you are rackmounting the switch.

2. Install the cage nuts onto the mounting rails of your rack, if your rack requires them.



3. Position the switch in the rack and align the holes in the mounting bracket with the holes in the rack.

4. Insert and tighten two screws appropriate for your rack through each of the mounting brackets.



Installing the Switch on a Wall



To mount the switch on a wall, complete the following steps:

1. Ensure that the mounting point meets the following requirements:

lThe wall surface must be capable of supporting the switch.

l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.

lThe location must not be located in direct sunlight.

lThe location must not be within 2 feet of any heating vents, nor should any area heating vent point toward the unit.

lThe location must be ventilated to prevent heat buildup.

lDo not locate the switch where there may be data or electrical cabling located directly behind the unit.

lThe power cable must reach an outlet.

2. Use the supplied screws to attach a mounting bracket to each side of the switch (see Figure1-8).

Figure 1-8. Brackets for Wall Installation



3. Place the switch against the wall and mark the wall through the holes of the brackets.

4. Drill holes in the wall for the brackets and install the appropriate mounting hardware (not supplied).

5. Place the switch against the wall so that the bracket holes align with the holes in the wall.

6. Insert and tighten the screws through each of the mounting brackets.



Technical Information



Table 1-2.Specifications

NOTE: Additional screws are provided for racks that have threaded mounting holes.

Network Protocol and Standards Compatibility

IEEE 802.3 CSMA/CD

IEEE 802.3 10Base-T

IEEE 802.3u 100Base-TX

IEEE 802.3z/ab 1000Base-T

IEEE 802.3x Flow Control

IEEE 802.3p Priority

Interface

RJ-45 connectors



Back to Contents Page



Power Supply

PowerConnect 2216

Supply voltage: 100-240 VAC

Frequency: 50-60 Hz

Current consumption: 0.4A

PowerConnect 2224

Supply voltage: 100-240 VAC

Frequency: 50-60 Hz

Current consumption: 0.75A

PowerConnect 2324

Supply voltage: 100-240 VAC

Frequency: 50-60 Hz

Current consumption: 0.75A

Physical Dimensions

PowerConnect 2216

266 x 161 x 43 mm (W x D x H)

10.5 x 6.3 x 1.7 inches

Unit Weight: 3.0 Lbs

Packaged Weight: 3.3 Lbs (6 per container)

PowerConnect 2224

328 x 231 x 43 mm (W x D x H)

13 x 9 x 1.7 inches

Unit Weight: 4.8 Lbs

Packaged Weight: 5.24 Lbs (5 per container)

PowerConnect 2324

328 x 231 x 43 mm (W x D x H)

13 x 9 x 1.7 inches

Unit Weight: 5.1 Lbs

Packaged Weight: 5.46 Lbs (5 per container)

Environmental Specifications

Operating temperature

0ºto 40ºC (32ºto 104ºF)

Storage temperature

–20ºto 70ºC (–4ºto 158ºF)

Operating Relative Humidity

10% to 90% non-condensing

Storage Relative Humidity

10% to 95% non-condensing

Back to Contents Page



Troubleshooting

Dell™PowerConnect™2216/2224/2324SwitchesUser'sGuide



This section provides troubleshooting information for your switch. Table2-1 describes general problems you may encounter and the probable causes and

solutions.



Table 2-1.BasicTroubleshooting



Back to Contents Page



Problem

Probable Cause

Corrective Action

Power LED is not lighted.

There is no power to the switch.

Confirm that the switch is connected to a properly functioning

and active power source.

Ensure that the power cable is securely connected to the

switch and to a power source.

Link LED is not lighted.

The cable is not securely connected to the switch or the

attached device.

Ensure that the connectors are fully inserted into the ports of

the switch and the attached device.

The attached device is not configured correctly, or it is not

powered on.

Ensure that the attached device is powered on. Verify that the

NIC on the attached device is operating properly.

The cable is damaged or not properly terminated.

Test the cable.



Try a known working cable.

Ensure that the cables are terminated using TIA 568A or 568B

standards.



The cable's maximum distance has been exceeded.

10Base-T, 100Base-T, and 1000Base-T cables have limitations

for link lengths. Move the connected device closer to the switch

and use a shorter cable.

Mismatched duplex mode.

Ensure that all devices connected to the switch are configured

to automatically detect and set port speed and duplex settings.

Bad switch port.

Reconnect the connector for the affected link to a different

switch port.

Link speed LED indicates a

lower speed than expected.

Incorrect cable grade.

Ensure that you are using Category 5 cable or better for all

10Base-T and 100Base-T links, or Category 5e for 1000Base-T

links.

Damaged cable.

Test any cables that have kinks, sharp bends, or appear to be

damaged.

The cable's maximum distance has been exceeded.

10Base-T, 100Base-T, and 1000Base-T cables have limitations

for link lengths. Move the connected device closer to the switch

and use a shorter cable.

Link LED is lighted, but the

activity (ACT) LED does not

blink.

There is no Ethernet traffic on the link. The LED blinks only

when traffic is being passed to or sent from a device that is

connected to the port.

No action required.

The attached device is not configured correctly.

Verify that the port or NIC on the attached device is operating

properly.

Link LED is lighted and the

FDX/HDX LED blinks

occasionally.

This can be normal link activity. Some collisions take place

during normal operation.

No action required.

Link LED is lighted and the

FDX/HDX LED blinks

frequently.

Mismatched duplex mode.

Ensure that any devices connected to the switch are set to

automatically detect and set port speed and duplex settings.

The link is reaching its maximum capacity.

Resegment the network to decrease the number of users on

the link.

Back to Contents Page



Getting Help

Dell™PowerConnect™2216/2224/2324SwitchesUser'sGuide

Technical Assistance

Dell Enterprise Training and Certification

Problems With Your Order

Product Information

Returning Items for Warranty Repair or Credit

Before You Call

Contacting Dell



Technical Assistance



Ifyouneedassistancewithatechnicalproblem,useDell'sextensivesuiteofonlineservicesavailableatDell™Supportatsupport.dell.com for help with

installation and troubleshooting procedures. For more information, see "Online Services."



If you cannot resolve the problem using the online services, call Dell for technical assistance. See "Contacting Dell."

NOTE: Call technical support from a phone near or at the system so that technical support can assist you with any necessary procedures.



For instructions on using the technical support service, see "Technical Support Service" and "Before You Call."

NOTE: Some of the following services are not always available in all locations outside the continental U.S. Call your local Dell representative for information on

availability.



Online Services



You can access Dell Support at support.dell.com. Select your region on the WELCOME TO DELL SUPPORT page, and fill in the requested details to access

help tools and information.



You can contact Dell electronically using the following addresses:

lWorld Wide Web



www.dell.com/



www.dell.com/ap/ (Asian/Pacific countries only)



www.dell.com/jp (Japan only)



www.euro.dell.com (Europe only)



www.dell.com/la (Latin American countries)



www.dell.ca (Canada only)

lAnonymous file transfer protocol (FTP)



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