ProCurve Switch 408 Installation Guide


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Installing the Switch 408

Installation Procedures

Installation Procedures

Summary

Follow these easy steps to install your switch. The rest of this chapter provides details on these steps.

1.

Prepare the installation site.

Make sure of the following:

the network cabling is the correct type and length. See page

2-5.

the network topology is correct. See page 2-10.

• no devices connected to the switch have a fixed full-duplex configuration (they must be able to auto-negotiate the duplex

mode or be fixed at half duplex). See page 2-4.

See page 2-3 for installation precautions.

2.

Verify that the switch passes its self test.

This is a simple process of plugging the switch into a power source and observing that the LEDs on the switch’s front panel show correct operation.

See page 2-7.

3.

Mount the switch.

The Switch 408 can be mounted on any horizontal surface. The optional mounting kit (5183-7210) provides other options including mounting two switch units sideby-side in a standard 19-inch telco rack or equipment cabinet.

4.

Connect power to the switch.

Once the switch is mounted,

plug in the AC power adapter. See page 2-9.

5.

Connect the network devices.

Using the appropriate network cables, connect computers, servers, printers and other peripherals, and other network devices including other switches, hubs,

or routers to the switch ports. See page 2-9.

At this point, the switch is fully installed and your network should be up and running. See the rest of this chapter if you need more detailed information on any of these installation steps.

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Installing the Switch 408

Installation Procedures

Installation Precautions:

Follow these precautions when installing your Switch 408.

Cautions

Make sure that you use the power adapter supplied with the switch to connect it to an AC power source.

■ When installing the switch, since the unit does not have an On/Off power switch, an AC power outlet must be located near the switch and should be easily accessible in case the switch needs to be powered off.

Make sure that the switch does not overload the power circuits, wiring, and over-current protection. To determine the possibility of overloading the supply circuits, add together the amperage ratings of all devices installed on the same circuit as the switch and compare the total with the rating limit for the circuit. The maximum amperage ratings are usually printed on the devices near the AC power connectors or power adapter connectors.

■ Do not install the switch in an environment where the operating ambient temperature might exceed 55

°C

(131

°F).

■ Make sure the air flow around the sides of the switch is not restricted.

■ If you rack mount the Switch 408 (using the mounting kit,

5183-7210), the rack or cabinet should be adequately secured to prevent it from becoming unstable and/or falling over. Devices installed in a rack or cabinet should be mounted as low as possible, with the heaviest device at the bottom and progressively lighter devices installed above.

Continued on the next page.

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Installing the Switch 408

Installation Procedures

Connect no devices that have a fixed full-duplex configuration

. Because the switch 408 complies with the IEEE 802.3u standard, if a device connected to the switch has a fixed configuration of full duplex, the device will not connect correctly to the switch. Make sure all devices connected to the Switch 408 are configured to auto negotiate, or are configured to connect at half duplex. For more information, see the “Basic Trouble-

shooting Tips” in chapter 3, “Troubleshooting”.

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Installing the Switch 408

Installation Procedures

1. Prepare the Installation Site

Cabling Infrastructure

- Make sure that the cabling infrastructure meets the necessary network specifications. Because of the

HP Auto-MDIX

feature, for connections to end nodes

(computers, servers, printers and other peripherals), or connections to hubs or other switches, you can use “straight-through” cables. “Crossover” cables can also be used for any of these connections. See the following table for cable types and lengths,

and see appendix B, “Cables and Connectors” for more informa-

tion:

Table 2-1.

Summary of Cable Types to Use with the Switch

Port Type

10Base-T

100Base-TX

Cable Type

category 3, 4, or 5,

100-ohm unshielded twisted-pair (UTP) or shielded twisted-pair

(STP) category 5, 100-ohm

UTP or STP

Length Limits

category 3, 4, or 5 - 100 meters

Note: Since the 10Base-T operation is through 10/100Base-TX ports, if you ever want to upgrade the ports to

100Base-T, it would be best to cable the ports initially with category 5 cable.

100 meters

Installation Location

- Before installing the switch, plan its location and orientation relative to other devices and equipment.

At the front of the switch, leave at least 7.6 cm (3 inches) of space for the twisted-pair cabling. At the back of the switch, leave at least 2.6 cm (1 inch) of space for the adapter’s power cord.

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Installing the Switch 408

Installation Procedures

2. Verify the Switch Passes Its Self Test

Before mounting the switch in its network location, you should first check that it is working properly by plugging it into a power source and verifying that it passes its self test.

1.

Connect the adapter’s power cord to the power connector on the back of the switch, and then plug the AC power adapter into a nearby properly grounded electrical outlet.

Connect power cord to the power connector

Note

The Switch 408 does not have a power switch. It is powered on when the AC power adapter is connected to the switch and to a power source.

Caution Use only the AC power adapter supplied with the switch. Use of other adapters, including those that came with other HP network products, may result in damage to the equipment.

2.

Check the LEDs on the switch. The LED behavior is described on the next page.

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Installing the Switch 408

Installation Procedures

Switch port LEDs

Power and Fault LEDs

When the switch is powered on, it performs its diagnostic self test. The self test takes approximately 3 seconds to complete.

LED Behavior:

During the self test:

• All the switch and port LEDs are on.

When the self test completes successfully:

• The Power LED stays on and the Fault LED goes off.

• The port LEDs (Link/Act, FDx, and 100) go into their normal operational mode.

If the LED display is different than what is described above, especially if the Fault LED stays on for more than 5 seconds, the

self test has not completed correctly. Refer to chapter 3, “Trou-

bleshooting” for diagnostic help.

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Installing the Switch 408

Installation Procedures

3. Mount the Switch

After you have verified that the switch passes its self test, you are ready to mount the switch in a stable location. The Switch 408 can be mounted in these ways: on a horizontal surface in a rack or cabinet, or on a wall (requires optional bracket kit)

Horizontal Surface Mounting

Attach the supplied rubber feet to the bottom of the switch, then place the switch on a table or other horizontal surface. Use a sturdy surface in an uncluttered area. You may want to secure the networking cables and switch power cord to the table legs or other part of the surface structure to help prevent people from tripping over the cords.

Note

Make sure the air flow is not restricted around the sides of the switch.

Rack or Wall Mounting

Using the optional bracket kit (5183-7210), two Switch 408 units can be mounted together in any EIA-standard 19-inch telco rack or in an equipment cabinet such as a server cabinet. The switch brackets can also be used to mount the switch on a wall or under a horizontal surface. Installation instructions are included with the bracket kit.

Caution

For safe operation, please read the Installation

Precautions on page 2-3 before mounting the switch.

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Installing the Switch 408

Installation Procedures

4. Connect the Switch to a Power Source

1.

Plug the included AC power adapter into the switch’s power connector and into a nearby AC power source.

2.

Re-check the LEDs during self test. See “LED Behavior” on

page 2-7.

5. Connect the Network Cables

Using the RJ-45 Connectors (10/100Base-TX ports)

To connect:

Push the RJ-45 plug into the

RJ-45 jack until the tab on the plug clicks into place.

When power is on for the switch and for the connected device, the Link/Act LED for the port should light to confirm a powered-on device (for example, an end node) is at the other end of the cable.

If the Link LED does not go on when the network cable is connected to the port, see

“Diagnosing With the LEDs”

in chapter 3, “Trouble-

shooting”.

RJ-45 connector

100-ohm unshielded or shielded twisted-pair cable:

• Category 3, 4, or 5 for 10 Mbps ports

• Category 5 only for 100 Mbps ports

Maximum distance: 100 meters

To disconnect:

Press the small tab on the plug and pull the plug out of the jack

.

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Installing the Switch 408

Sample Network Topologies

Sample Network Topologies

This section shows you two sample network topologies in which the

Switch 408 is implemented.

Note

Make sure the network into which you are installing the

Switch 408 has a valid topology: there should be no loops in the data paths connected to the switch, and all twistedpair connections should be no more than 100 meters.

As a Desktop Switch

Server

Switch 408

twisted-pair

“straight-through” or “crossover” cables

PCs and peripherals

The Switch 408 is designed to be used primarily as a desktop switch to which end nodes, printers and other peripherals, and servers are directly connected, as shown in the above illustration.

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Installing the Switch 408

Sample Network Topologies

As a Segment Switch

Server

100 Mbps connection through category 5 twisted-pair cable

100Base-TX connection to a backbone switch

Switch 408

Ethernet

Hubs

twisted-pair cables twisted-pair cables

PCs, printers, and local servers

In general, the Switch 408 is designed to be used as a desktop switch, but it can also be used as a segment switch. That is, it can be used for interconnecting network segments—simply connect the network hubs that form those segments to the switch.

In the illustration above, two Ethernet hubs with PCs, printers, and local servers attached, are both connected to a Switch 408. The devices attached to the two hubs can now communicate with each other through the switch. They can also all communicate with the server that is connected to the switch. Make sure connections from servers to the Switch 408 are at 100 Mbps to minimize network congestion to the servers.

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Installing the Switch 408

Sample Network Topologies

Note that because of the HP Auto-MDIX feature, all twisted-pair connections between the switch and the MDI-X ports or MDI ports on hubs, and the connections to the end nodes and the servers can be through “straight-through” cables. You can also use “crossover” cables for these connections. In either case, the Switch 408 automatically adjusts to the type of cable used and to the type of device at the other end of the connection.

The 100 Mbps connection to the server and any other 100 Mbps connections must be through category 5 or better cable.

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3

Troubleshooting

This chapter describes how to troubleshoot your Switch 408 including the following:

basic troubleshooting tips (page 3-1)

diagnosing with the LEDs (page 3-3)

hardware diagnostic tests (page 3-5)

HP Customer Support Services (page 3-6)

Basic Troubleshooting Tips

Most problems are caused by the following situations:

Connecting to devices with a fixed full-duplex configuration

. The Switch 408 ports are set to auto-negotiate the link characteristics. That is, when connecting to attached devices, the switch will operate in one of two ways to determine the link speed and the communication mode (half duplex or full duplex):

• if the connected device is also set to auto negotiate, the switch will automatically negotiate both link speed and communication mode

• if the connected device has a fixed configuration, for example

(100 Mbps, and half or full duplex), the switch will automatically sense the link speed, but will default to a communication mode of half duplex

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Troubleshooting

Basic Troubleshooting Tips

Because the Switch 408 behaves in this way (in compliance with the IEEE 802.3u standard), if a device connected to the switch has a fixed configuration at full duplex, the device will not connect correctly to the Switch 408. The result will be high error rates and high collision rates, and very inefficient communications between the switch and the device.

Make sure that all devices connected to the Switch 408 are configured to auto negotiate, or are configured to connect at half duplex (all hubs are configured this way, for example).

Faulty or loose cables.

Look for loose or obviously faulty connections. If they appear to be OK, make sure the connections are secure. If that does not correct the problem, try a different cable.

Non-standard cables.

Non-standard and miswired cables may cause numerous network collisions and other network problems, and can seriously impair network performance. Use a new correctly-wired cable or compare your cable to the cable in

appendix B, “Cables and Connectors” for pinouts and correct

cable wiring. A category 5 cable tester is a recommended tool for every 100Base-T network installation.

Improper Network Topologies.

It is important to make sure you have a valid network topology. Common topology faults include excessive cable length and too many repeaters (hubs) between end nodes. If you have network problems after recent changes to the network, change back to the previous topology. If you no longer experience the problems, the new topology is probably at fault. Refer to the Network Design Guide for topology configuration guidelines. This guide can be found online at the

HP World Wide Web site for networking products, http://

www.hp.com/go/hpprocurve

. You can find it quickly by searching for “Network Design Guide”.

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Troubleshooting

Diagnosing With the LEDs

In addition, you should make sure that your network topology contains no data path loops. Between any two end nodes, there should be only one active cabling path at any time. Data path loops will cause broadcast storms that will severely impact your network performance.

Diagnosing With the LEDs

Table 3-1 shows LED patterns on the switch that indicate problem conditions.

1.

Check in the table for the LED pattern that you see on your switch.

2.

Refer to the corresponding diagnostic tip on the next few pages.

Table 3-1.

LED Error Indicators

LED Pattern Indicating Problems

Power Fault Port Link

Off with power cord plugged in

On

On

* *

Prolonged

On

Off

*

Off with cable connected

* This LED is not important for the diagnosis.

Diagnostic Tips

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Troubleshooting

Diagnosing With the LEDs

Diagnostic Tips:

Tip

Number Problem

The switch’s power adapter is not plugged into an active

AC power source, or the power adapter may have failed.

A switch hardware failure was detected during self test.

The network connection is not working properly.

Solution

1. Verify that the AC power adapter is plugged into an active power source and to the switch.

Make sure these connections are snug.

2. Try power cycling the switch by unplugging and plugging in the power.

3. If the Power LED is still not on, verify that the

AC power source works by plugging another device into the outlet. Or try plugging the switch into a different outlet.

If this condition persists, the switch’s power adapter may have failed. Call your HP-authorized

LAN dealer, or use the electronic support services from HP to get assistance. See the

Customer Support/Warranty booklet for more information.

Try power cycling the switch. If the fault indication reoccurs, the switch may have failed.

Call your HP-authorized LAN dealer, or use the electronic support services from HP to get assistance. See the Customer Support/Warranty card for more information.

Try the following procedures:

• For the indicated port, verify that both ends of the cabling, at the switch and the connected device, are secure.

• Verify the connected device and switch are both powered on and operating correctly.

• Verify that the connected devices comply with the appropriate IEEE 802.3 standard, including transmission of the Link signal. See “Testing

Twisted-Pair Cabling” on page 3-5.

• If the other procedures don’t resolve the problem, try using a different port or a different cable.

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Troubleshooting

Hardware Diagnostic Tests

Hardware Diagnostic Tests

Testing the Switch by Resetting It

If you believe that the switch is not operating correctly, you can reset the switch to test its circuitry. To reset the switch, unplug and plug in the adapter’s power cord (power cycling).

Power cycling causes the switch to perform its power-on self-test, and almost always will resolve any temporary operational problems.

Checking the Switch LEDs

The self-test passes if the Fault LED on the front of the switch goes off after approximately 3 seconds. If this LED stays on longer than 5 seconds, an error condition has been detected on the switch.

See “Diagnosing With the LEDs” on page 3-3 for information on

interpreting the LED patterns.

Testing Twisted-Pair Cabling

If you think the cable should work but still isn’t working, it may not be compatible with the IEEE 802.3 Type 10Base-T or 100Base-TX standards. The twisted-pair cables attached to the Switch 408 must be compatible with these standards. To verify that your cable is compatible with these standards, use a qualified cable test device.

HP also offers a wire testing service. Contact your HP-authorized LAN dealer or your local HP sales office for more information.

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Troubleshooting

HP Customer Support Services

Testing End-to-End Network Communications

Both the switch and the cabling can be tested by running an end-toend communications test -- a test that sends known data from one network device to another through the switch. For example, if you have two PCs on the network, both connected to the switch, you can use a link-level packet test (link test) or Ping test to verify that the entire communication path between the two PCs is functioning correctly. See your LAN adapter documentation for more information on running a link test or Ping test.

HP Customer Support Services

If you are still having trouble with your switch, Hewlett-Packard offers support 24 hours a day, seven days a week through the use of a number of automated electronic services. See the Customer

Support/Warranty booklet that came with your switch for information on how to use these services to get technical support. The HP networking products World Wide Web site,

http://www.hp.com/go/hpprocurve

also provides up-to-date support information.

Additionally, your HP-authorized network reseller can provide you with assistance, both with services that they offer and with services offered by HP.

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A

Specifications

Physical

Width:

Depth:

Height:

Weight :

19.9 cm (7.8 in)

12.1 cm (4.8 in)

4.0 cm (1.6 in)

0.72 kg (1.60 lbs)

Electrical

DC voltage:

Maximum current:

13 volts

0.8 A

Environmental

Temperature:

Relative humidity:

(non-condensing)

Operating

0

°C to 55°C (32°F to 131°F)

10% to 90% at 40

Maximum altitude:

4.6 km (15,000 ft)

Non-Operating

-40

°C to 70°C (-40°F to 158°F)

°C (104°F) 10% to 90% at 65°C (149°F)

4.6 km (15,000 ft)

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Specifications

Connectors

■ The 10/100 Mbps RJ-45 twisted-pair ports are compatible with the

IEEE 802.3u 100Base-TX and IEEE 802.3 Type 10Base-T standards. All ports include the HP Auto-MDIX feature, which allows the use of either “straight-through” or “crossover” cables for any twisted-pair connection.

Safety

The Switch 408 complies with these safety standards:

EN60950 / IEC 950

CSA/NRTL (CSA 22.2 No. 950 & UL 1950)

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B

Cables and Connectors

This appendix includes minimum pin-out information and specifications for cables that should be used with the Switch 408.

Note

Incorrectly wired cabling is the most common cause of problems for LAN communications. HP recommends that you work with a qualified LAN cable installer for assistance with your cabling requirements.

Twisted-Pair Cable/Connector

Pin-Outs

The RJ-45 ports (10 Mbps and 100 Mbps) on the Switch 408 have the

HP Auto-MDIX feature, which allows you to use either “straightthrough” or “crossover” twisted-pair cables for connections to any other network device that has RJ-45 connectors.

These additional rules apply to the twisted-pair cabling:

■ All twisted-pair wires used must be twisted through the entire length of the cable. The wiring sequence must conform to the

ANSI/TIA/EIA-568-B cable specification. See “Twisted-Pair Cable

Pin Assignments” later in this appendix for a listing of the signals used on each pin.

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Cables and Connectors

Twisted-Pair Cable/Connector Pin-Outs

For 10 Mbps connections to the ports, you can use 100-ohm

Category 3, 4, or 5 unshielded (UTP) or shielded (STP) twistedpair cable, as supported by the IEEE 802.3 Type 10Base-T standard.

For 100 Mbps connections to the ports, use 100-ohm Category 5

UTP or STP cable only, as supported by the IEEE 802.3u Type

100Base-TX standard.

Straight-Through Twisted-Pair Cable

Connector “A” Connector “B”

Straight-Through Cable

white/orange orange/white white/green green/white

Note

Pins 1 and 2 on connector “A” must be wired as a twisted pair to pins 1 and 2 on connector “B”.

Pins 3 and 6 on connector “A” must be wired as a twisted pair to pins 3 and 6 on connector “B”.

Pins 4, 5, 7, and 8 are not used in this application, although they may be wired in the cable.

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Cables and Connectors

Twisted-Pair Cable/Connector Pin-Outs

Crossover Twisted-Pair Cable

Connector “A” Connector “B”

Crossover Cable

white/orange orange/white white/green green/white

Note

Pins 1 and 2 on connector “A” must be wired as a twisted pair to pins 3 and 6 on connector “B”.

Pins 3 and 6 on connector “A” must be wired as a twisted pair to pins 1 and 2 on connector “B”.

Pins 4, 5, 7, and 8 are not used in this application, although they may be wired in the cable.

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Cables and Connectors

Twisted-Pair Cable/Connector Pin-Outs

Twisted-Pair Cable Pin Assignments

Twisted-Pair Straight-Through Cable

Switch End

Signal

receive + receive transmit + transmit -

Pins

3

6

1

2

3

6

1

2

Computer, Transceiver, or

Other MDI Port End

Pins Signal

transmit + transmit receive + receive -

Twisted-Pair Crossover Cable

Switch End

Signal

receive + receive transmit + transmit -

Pins

3

6

1

2

2

1

6

3

Hub or Switch Port, or Other

MDI-X Port End

Pins Signal

transmit transmit + receive receive +

B-4

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C

Safety and EMC Regulatory

Statements

Safety Information

!

WARNING

CAUTION

Documentation reference symbol. If the product is marked with this symbol, refer to the product documentation to get more information about the product.

A WARNING in the manual denotes a hazard that can cause injury or death.

A CAUTION in the manual denotes a hazard that can damage equipment.

Do not proceed beyond a WARNING or CAUTION notice until you have understood the hazardous conditions and have taken appropriate steps.

Grounding

These are safety class I products and have protective earthing terminals. There must be an uninterruptible safety earth ground from the main power source to the product’s input wiring terminals, power cord, or supplied power cord set. Whenever it is likely that the protection has been impaired, disconnect the power cord until the ground has been restored.

For LAN cable grounding:

■ If your LAN covers an area served by more than one power distribution system, be sure their safety grounds are securely interconnected.

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Safety and EMC Regulatory Statements

Safety Information

■ LAN cables may occasionally be subject to hazardous transient voltages (such as lightning or disturbances in the electrical utilities power grid). Handle exposed metal components of the network with caution.

Servicing

There are no user-serviceable parts inside these products. Any servicing, adjustment, maintenance, or repair must be performed only by service-trained personnel.

These products do not have a power switch; they are powered on when the adapter’s power cord is plugged in.

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Safety and EMC Regulatory Statements

Informations concernant la sécurité

Informations concernant la sécurité

!

WARNING

CAUTION

Symbole de référence à la documentation. Si le produit est marqué de ce symbole, reportez-vous à la documentation du produit afin d'obtenir des informations plus détaillées.

Dans la documentation, un WARNING indique un danger susceptible d'entraîner des dommages corporels ou la mort.

Un texte de mise en garde intitulé CAUTION indique un danger susceptible de causer des dommages à l'équipement.

Ne continuez pas au-delà d'une rubrique WARNING ou

CAUTION avant d'avoir bien compris les conditions présentant un danger et pris les mesures appropriées.

Cet appareil est un produit de classe I et possède une borne de mise à la terre.

La source d'alimentation principale doit être munie d'une prise de terre de sécurité installée aux bornes du câblage d'entrée, sur le cordon d'alimentation ou le cordon de raccordement fourni avec le produit. Lorsque cette protection semble avoir été endommagée, débrancher le cordon d'alimentation jusqu'à ce que la mise à la terre ait été réparée.

Mise à la terre du câble de réseau local:

■ si votre réseau local s'étend sur une zone desservie par plus d'un système de distribution de puissance, assurez-vous que les prises de terre de sécurité soient convenablement interconnectées.

Les câbles de réseaux locaux peuvent occasionnellement être soumis à des surtensions transitoires dangereuses (telles que la foudre ou des perturbations dans le réseau d'alimentation public).

Manipulez les composants métalliques du réseau avec précautions.

Aucune pièce contenue à l'intérieur de ce produit ne peut être réparée par l'utilisateur. Tout dépannage, réglage, entretien ou réparation devra être confié exclusivement à un personnel qualifié.

Cet appareil ne comporte pas de commutateur principal ; la mise sous tension est effectuée par branchement du cordon d'alimentation.

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Safety and EMC Regulatory Statements

Hinweise zur Sicherheit

Hinweise zur Sicherheit

!

WARNING

CAUTION

Symbol für Dokumentationsverweis. Wenn das Produkt mit diesem Symbol markiert ist, schlagen Sie bitte in der Produktdokumentation nach, um mehr Informationen über das Produkt zu erhalten.

Eine WARNING in der Dokumentation symbolisiert eine Gefahr, die Verletzungen oder sogar Todesfälle verursachen kann.

CAUTION in der Dokumentation symbolisiert eine Gefahr, die dis

Gerät beschädigen kann.

Fahren Sie nach dem Hinweis WARNING oder CAUTION erst fort, nachdem Sie den Gefahrenzustand verstanden und die entsprechenden Maßnahmen ergriffen haben.

Dies ist ein Gerät der Sicherheitsklasse I und verfügt über einen schützenden

Erdungsterminal. Der Betrieb des Geräts erfordert eine ununterbrochene

Sicherheitserdung von der Hauptstromquelle zu den Geräteingabeterminals, den Netzkabeln oder dem mit Strom belieferten Netzkabelsatz voraus. Sobald

Grund zur Annahme besteht, daß der Schutz beeinträchtigt worden ist, das

Netzkabel aus der Wandsteckdose herausziehen, bis die Erdung wiederhergestellt ist.

Für LAN-Kabelerdung:

Wenn Ihr LAN ein Gebiet umfaßt, das von mehr als einem Stromverteilungssystem beliefert wird, müssen Sie sich vergewissern, daß die Sicherheitserdungen fest untereinander verbunden sind.

LAN-Kabel können gelegentlich gefährlichen Übergangsspannungen ausgesetzt werden (beispielsweise durch Blitz oder Störungen in dem Starkstromnetz des Elektrizitätswerks). Bei der

Handhabung exponierter Metallbestandteile des Netzwerkes Vorsicht walten lassen.

Dieses Gerät enthält innen keine durch den Benutzer zu wartenden Teile.

Wartungs-, Anpassungs-, Instandhaltungs- oder Reparaturarbeiten dürfen nur von geschultem Bedienungspersonal durchgeführt werden.

Dieses Gerät hat keinen Netzschalter; es wird beim Anschließen des Netzkabels eingeschaltet.

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Safety and EMC Regulatory Statements

Considerazioni sulla sicurezza

Considerazioni sulla sicurezza

!

WARNING

CAUTION

Simbolo di riferimento alla documentazione. Se il prodotto è contrassegnato da questo simbolo, fare riferimento alla documentazione sul prodotto per ulteriori informazioni su di esso.

La dicitura WARNINGdenota un pericolo che può causare lesioni o morte.

La dicituraCAUTION denota un pericolo che può danneggiare le attrezzature.

Non procedere oltre un avviso di WARNING o di CAUTIONprima di aver compreso le condizioni di rischio e aver provveduto alle misure del caso.

Questo prodotto è omologato nella classe di sicurezza I ed ha un terminale protettivo di collegamento a terra. Dev'essere installato un collegamento a terra di sicurezza, non interrompibile che vada dalla fonte d'alimentazione principale ai terminali d'entrata, al cavo d'alimentazione oppure al set cavo d'alimentazione fornito con il prodotto. Ogniqualvolta vi sia probabilità di danneggiamento della protezione, disinserite il cavo d'alimentazione fino a quando il collegaento a terra non sia stato ripristinato.

Per la messa a terra dei cavi LAN:

■ se la vostra LAN copre un'area servita da più di un sistema di distribuzione elettrica, accertatevi che i collegamenti a terra di sicurezza siano ben collegati fra loro; i cavi LAN possono occasionalmente andare soggetti a pericolose tensioni transitorie (ad esempio, provocate da lampi o disturbi nella griglia d'alimentazione della società elettrica); siate cauti nel toccare parti esposte in metallo della rete.

Nessun componente di questo prodotto può essere riparato dall'utente. Qualsiasi lavoro di riparazione, messa a punto, manutenzione o assistenza va effettuato esclusivamente da personale specializzato.

Questo apparato non possiede un commutatore principale; si mette scotto tensione all'inserirsi il cavo d'alimentazione.

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Safety and EMC Regulatory Statements

Consideraciones sobre seguridad

Consideraciones sobre seguridad

!

WARNING

CAUTION

Símbolo de referencia a la documentación. Si el producto va marcado con este símbolo, consultar la documentación del producto a fin de obtener mayor información sobre el producto.

Una WARNING en la documentación señala un riesgo que podría resultar en lesiones o la muerte.

Una CAUTION en la documentación señala un riesgo que podría resultar en averías al equipo.

No proseguir después de un símbolo de WARNING o CAUTION hasta no haber entendido las condiciones peligrosas y haber tomado las medidas apropiadas.

Este aparato se enmarca dentro de la clase I de seguridad y se encuentra protegido por una borna de puesta a tierra. Es preciso que exista una puesta a tierra continua desde la toma de alimentación eléctrica hasta las bornas de los cables de entrada del aparato, el cable de alimentación o el juego de cable de alimentación suministrado. Si existe la probabilidad de que la protección a tierra haya sufrido desperfectos, desenchufar el cable de alimentación hasta haberse subsanado el problema.

Puesta a tierra del cable de la red local (LAN):

Si la LAN abarca un área cuyo suministro eléctrico proviene de más de una red de distribución de electricidad, cerciorarse de que las puestas a tierra estén conectadas entre sí de modo seguro.

Es posible que los cables de la LAN se vean sometidos de vez en cuando a voltajes momentáneos que entrañen peligro (rayos o alteraciones en la red de energía eléctrica). Manejar con precaución los componentes de metal de la LAN que estén al descubierto.

Este aparato no contiene pieza alguna susceptible de reparación por parte del usuario. Todas las reparaciones, ajustes o servicio de mantenimiento debe realizarlos solamente el técnico.

Este producto no tiene interruptor de potencia; se activa cuando se enchufa el cable de alimentación.

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Safety and EMC Regulatory Statements

Safety Information (Japan)

Safety Information (Japan)

C-7

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Safety and EMC Regulatory Statements

Safety Information (China)

Safety Information (China)

C-8

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Safety and EMC Regulatory Statements

EMC Regulatory Statements

EMC Regulatory Statements

U.S.A.

FCC Class A

This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules.

These limits are designed to provide reasonable protection against interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause interference to radio communications. Operation of this equipment in a residential area may cause interference in which case the user will be required to correct the interference at his own expense.

Canada

This product complies with Class A Canadian EMC requirements.

Australia/New Zealand

This product complies with Australia/New Zealand EMC

Class A requirements.

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Safety and EMC Regulatory Statements

EMC Regulatory Statements

Japan

VCCI Class A

Korea

Taiwan

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Safety and EMC Regulatory Statements

EMC Regulatory Statements

European Community

DECLARATION OF CONFORMITY

according to ISO/IEC Guide 22 and EN45014

Manufacturer's Name:

Hewlett-Packard Company

Manufacturer's Address:

8000 Foothills Blvd.

Roseville, CA 95747-5502

U.S.A.

declares that the product:

Product Names:

Model Numbers:

HP ProCurve Switch 408

J4097B

Accessories: N/A

Conform to the following Product Specifications:

Safety:

EN60950:1992 +A1, A2, A3, A4, A11 / IEC 60950:1991 +A1, A2, A3, A4

EN60825-1:1993 / IEC 825-1:1993, Class 1

EMC:

CISPR 22:1997 / EN 55022:1998 Class A

CISPR 24:1997 / EN 55024:1998

IEC 61000-3-2:1995 / EN 61000-3-2:1995 +A1:1998 +A2:1998 - Harmonics

IEC 61000-3-3:1994 / EN 61000-3-3:1995 - Flicker

Supplementary Information:

The product herewith complies with the requirements of the Low Voltage

Directive 73/23/EEC and the EMC Directive 89/336/EEC and carries the CE marking accordingly.

Tested with Hewlett-Packard Co. products only.

Roseville, February 22nd, 2001

Mike Avery,

Regulatory Engineering Manager

European Contact: Your local Hewlett-Packard Sales and Service Office or Hewlett-Packard GmbH,

Department TRE, Herrenberger Strasse 130, D-71034 Böblingen (FAX:+49-7031-14-3143).

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honda.book Page 1 Wednesday, April 18, 2001 2:50 PM

Index

Numerics

100 LED

description

100Base-TX

… 1-3

connections, length

limitations

… 2-5 ports, cables used with

10Base-T connections, length

limitations

… 2-5 ports, cables used with

… 2-5

… 2-5

A

address learning

address table

… 1-5 automatic address learning

filtering out traffic flooding traffic

… 1-6

… 1-6 forwarding traffic moves and changes

operation … 1-5

… 1-6

… 1-6

Auto-MDIX

see

HP Auto-MDIX

… 1-5

cable diagrams

crossover cable

… B-3

straight-through cable … B-2

cables

100Base-TX connections

… 2-5

10Base-T connections

… 2-5

connecting cables to switch ports

… 2-9

effects of non-standard

cables

… 3-2

twisted-pair connector pinouts

… B-1

cables, twisted pair

category 3, 4, 5

… B-2

crossover cable diagram

crossover cable pin-out

… B-3

… B-4

pin-outs

… B-4

straight-through cable diagram

… B-2

straight-through cable pin-

out

… B-4

connecting the switch to a power source

… 2-9

connector specifications … A-2

crossover cable

pin-out

… B-4

B

back of switch

description … 1-4 power connector

… 1-4

basic troubleshooting tips

… 3-1

C

cabinet

mounting the switch in … 2-8

D

description

back of switch

front of switch

LEDs

… 1-3

desktop switch

sample topology

… 1-4

… 1-2

… 2-10

Index – 1

honda.book Page 2 Wednesday, April 18, 2001 2:50 PM

diagnostic tests

… 3-5 checking the LEDs

… 3-5

end-to-end connectivity … 3-6

testing the switch only … 3-5 testing twisted-pair cabling

… 3-5

E

electrical specifications,

switch … A-1

EMC regulatory statements

… C-9

environmental specifications,

switch

… A-1

I

included parts

installation

… 2-1

connecting the switch to a power source

… 2-9

mounting switch in rack or cabinet

… 2-8 mounting switch on a wall on a horizontal surface

… 2-8

… 2-8

precautions

summary

… 2-3

… 2-2

F

Fault LED

… 1-3

showing error conditions

FDx LEDs

description

… 1-3

features

Switch 408

… 1-5

filtering out traffic

… 1-6 flooding traffic

… 1-6 forwarding traffic

front of switch

… 1-6

LEDs

… 1-2 network ports

… 1-2

full-duplex connections,

troubleshooting … 3-1

… 3-3

H

horizontal surface, mounting switch on

… 2-8

HP Auto-MDIX

… 2-5, 2-12,

affect on cable usage

A-2–B-1

description

… 1-5

L

LEDs

100

description

… 1-3

behavior during self test … 2-7

checking during

troubleshooting

… 3-5

descriptions of

error indications

… 1-3

… 3-3

Fault

… 1-3

showing error conditions

… 3-3

FDx

description

Link/Act

… 1-3

… 1-3

location on switch

… 1-2

on switch

Power

… 1-3

… 1-3

behavior during self test

… 2-7

length limitations

100Base-TX connections

10Base-T connections

… 2-5

… 2-5

Link/Act LEDs

… 1-3

Index – 2

honda.book Page 3 Wednesday, April 18, 2001 2:50 PM

M

mounting the switch

in a rack or cabinet

… 2-8 on a horizontal surface … 2-8 on a wall

… 2-8

moves and changes

effect on address table

… 1-6

power connector

Power LED … 1-3

… 1-4

behavior during self test

… 2-7

power source

connecting the switch to

precautions

mounting the switch power requirements

… 2-9

… 2-3

… 2-3

N

network cables

100Base-TX connections

10Base-T connections

… 2-5

… 2-5

twisted-pair connector pin-

outs … B-1

network devices

connecting to the switch

… 2-9

network ports

connecting to

types of

… 2-9

location on switch … 1-2

standards compliance

… A-2

… 1-2

non-standard network cables,

effects … 3-2

P

parts, included with the switch

physical specifications, switch

pin-outs

… 2-1

… A-1

twisted-pair cables … B-1

port LEDs

100

FDx

… 1-3

… 1-3

Link/Act

… 1-3

ports

10/100Base-TX, location on

switch … 1-2

network connections … 2-9

R

rack

mounting precautions

mounting the switch in

… 2-3

… 2-8

regulatory statements

resetting the switch

… C-9

troubleshooting procedure

… 3-5

S

safety specifications

segment switch

sample topology

self test

… A-2

… 2-11

LED behavior during

… 2-7

specifications

connectors

physical

… A-2

electrical … A-1 environmental

… A-1

… A-1

safety

… A-2

straight-through cable pin-out

… B-4

summary of switch installation

… 2-2

Index – 3

honda.book Page 4 Wednesday, April 18, 2001 2:50 PM switch connecting to a power source

… 2-9

electrical specifications … A-1

environmental

specifications

features

… 1-5

… A-1

front panel description

included parts

… 2-1

… 1-2

LED descriptions

… 1-3

mounting in a rack or cabinet … 2-8

mounting on horizontal

surface

… 2-8

physical specifications

switch operation

… A-1

address table description

… 1-5

… 1-5

filtering out traffic flooding traffic

… 1-6

… 1-6 forwarding traffic … 1-6 network moves and changes

verifying after installation

… 1-6

… 2-6

troubleshooting

basic tips

… 3-1

checking the LEDs … 3-5

common network problems

diagnostic tests

… 3-5

… 3-1

effects of improper topology

effects of non-standard

cables … 3-2

fixed full-duplex connections

… 3-2

… 3-1

testing end-to-end

communications

testing the switch

… 3-6

… 3-5

testing the twisted-pair

cables

… 3-5

twisted-pair cable

crossover cable diagram

crossover cable pin-out

… B-3

… B-4

pin-outs

… B-1, B-4

straight-through cable diagram

… B-2

straight-through cable pin-

out

testing

… B-4

… 3-5

T

testing

checking the LEDs diagnostic tests

… 3-5

… 3-5

end-to-end communications

switch operation … 3-5 twisted-pair cabling

… 3-5

tips for troubleshooting

… 3-1

… 3-6

topologies

effects of improper topology

samples of

… 2-10

… 3-2

Index – 4

Technical information in this document is subject to change without notice.

©Copyright Hewlett-Packard Company

2001. All rights reserved. Reproduction, adaptation, or translation without prior written permission is prohibited except as allowed under the copyright laws.

Printed in Taiwan 3/01

Manual Part Number

J4097-90101

*J4097-90101*

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