Intel Express 130T Manuale utente

Intel Express

130T Standalone Hub

User Guide

Year 2000 Capable

An Intel product, when used in accordance with its associated documentation, is "Year 2000 Capable" when, upon installation, it

accurately stores, displays, processes, provides, and/or receives date data from, into, and between the twentieth and twenty-first

centuries, including leap year calculations, provided that all other technology used in combination with said product properly

exchanges date data with it.

Intel Corporation, 5200 NE Elam Young Parkway, Hillsboro OR 97124-6497

Intel Corporation assumes no responsibility for errors or omissions in this manual. Nor does Intel make any commitment to

update the information contained herein.

* Other product and corporate names may be trademarks of other companies and are used only for explanation and to the

owners’ benefit, without intent to infringe.

First edition February 1998 694946-001

12345

Blink = Activity Orange = Autodisabled

Speed

100

Quick Start

Install the hub

Place the hub on a shelf or table, then

plug the power supply into the hub and

into a power outlet. Use only the power

supply provided with the unit. Leave at

least 3 inches (7.62 cm) clearance

around the sides of the hub.

Intel Express 130T Standalone Hub

Traffic% CollisionsPower 1 2345678

3 12 50+

312 50+

Solid green = Link Blinking green = Activity

100

Speed

100 100

10 10

Orange = Autodisabled

Leave at least 3 inches (7.62 cm) clearance on sides.

Plug network cables into the ports at the rear of the hub.

Each port automatically matches the speed of the

attached device.

Indicates link status when a

device is attached.

Connect devices

to the hub

Plug each cable into an RJ-45 port at the

rear of the hub.

• Use Category 5 unshielded twisted

pair (UTP) cabling to connect

100Base-TX devices to the hub.

• Use Category 3, 4, or 5 UTP

cabling to connect 10Base-T

devices to the hub.

• Make sure cable length doesn’t

exceed 100 meters (328 feet).

Each port automatically detects and

matches the speed of the attached device

(10Mbps or 100Mbps).

All ports communicate with each other,

regardless of speed.

Check for links

Each port at the rear of the hub has a

corresponding LED on the front of the

hub. Make sure the LED of each port

you’re using shows a green link light at

either 10 or 100Mbps.

Frequently asked questions

Does each port operate at 10Mbps or 100Mbps?

Yes. Each port on the Express 130T Standalone Hub is capable of

10Mbps or 100Mbps half-duplex operation.

Do I have to set a port’s speed?

No. Ports on the Express 130T Standalone Hub automatically detect

and match the speed of an attached device.

Do ports operating at different speeds communicate with each

other?

Yes. The Express 130T Standalone Hub’s internal bridge allows all

ports to communicate with each other, regardless of operating speed.

Can I connect the Express 130T Standalone hub to another hub?

Yes. For connection guidelines, see “Connecting to Hubs and

Switches” on page 6.

Can I configure the Express 130T Standalone Hub for full-duplex

operation?

No. Hubs do not support full-duplex operation.

Can I wall mount the Express 130T Standalone Hub?

Yes. Using the two wall mount hole guides on this page, mark and drill

into the wall where you want to mount the hub. Then insert the

provided screws into the wall and hang the hub.

6.00" (15.24 cm.)

Wall mount hole

guides

Overview

The Intel Express 130T Standalone Hub is an 8-port hub that operates

at 10 or 100Mbps.

• All ports on the hub are capable of 10 or 100Mbps half-duplex

operation.

• Each port on the hub automatically detects the highest possible

speed of an attached device (either 10Mbps or 100Mbps) and

matches that speed.

• The Express 130T Standalone Hub’s internal bridge allows all ports

to communicate with each other, regardless of operating speed.

• The Intel Express 130T Standalone Hub monitors port status,

network traffic, and collisions at both 10 and 100Mbps.

This User Guide describes how to install, connect, and troubleshoot the

hub.

Contents

Overview ................................................................................................3

Connection Guidelines ...........................................................................4

Connecting to 100Base-TX devices................................................4

Connecting to 10Base-T devices.....................................................4

LED Indicators .......................................................................................5

Autodisabled Ports .................................................................................5

Connecting to Hubs and Switches..........................................................6

Connecting to another 130T hub.....................................................6

Connecting to a 100Mbps hub ........................................................6

Connecting to an existing 10Mbps segment ...................................7

Connecting to a switch....................................................................8

Troubleshooting .....................................................................................9

Cabling Requirements ..........................................................................10

Limited Hardware Warranty ................................................................12

Connection Guidelines

You can connect the Intel Express 130T Standalone Hub to various

PCs, switches, routers, servers, and print servers running at either

10Mbps or 100Mbps. Each port on the Express 130T Standalone Hub

automatically matches the highest possible speed of an attached device.

Note For guidelines on connecting to another hub, see “Connecting

to Hubs and Switches” on page 6.

Connecting to 100Base-TX devices

• Use Category 5 unshielded twisted pair (CAT 5 UTP) cable.

• Always limit the cable length between the hub and any connected

PC, server, switch, or print server to 100 meters (328 feet). The

IEEE specification requires this distance.

• See “Connecting to a 100Mbps hub” on page 6 for information on

connecting to 100Mbps hubs.

• Use ports 1-8.

Connecting to 10Base-T devices

• Use Category 3, 4, or 5 unshielded twisted pair (CAT 3, 4, or 5

UTP) cable.

• Always limit the cable length between the hub and any connected

device to 100 meters (328 feet). The IEEE specification requires

this distance.

• See “Connecting to an existing 10Mbps network” on page 7 for

information on connecting the Express 130T Standalone Hub to a

10Mbps network segment.

• Use ports 1-8.

LED Indicators

The LEDs on the front of the hub indicate the status of each port as

well as the overall condition of the hub.

LED Color Meaning

Power Green Hub is receiving power.

Traffic % Green Utilization is low to medium (3-12 percent).

Orange Utilization is medium to high (25-50+ percent).

Collisions Green Collisions detected.

Off No collisions detected.

Collisions are normal in an Ethernet environment.

Continuous blinking indicates an overloaded network.

Speed Green Port has a link.

Orange Port has been autodisabled (partitioned).

Blink Activity detected on port.

Off No link.

Speed LEDs show the operating speed of a particular

port—10Mbps or 100Mbps.

Autodisabled Ports

The Express 130T Standalone Hub automatically disables a port when

it detects a serious error on that port, such as a series of more than 64

collisions on a single packet. Once the hub sees a valid packet from the

device or is able to transmit a packet from the port, it automatically

reenables the port. Connected devices aren’t usually affected by an

autodisabled port because the port is reenabled so quickly.

If a port remains autodisabled, check the connected device’s network

adapter and cabling, or unplug the network cable for a few seconds,

then reattach it.

Traffic % Collisions

Power 12345678

12 50+

31250+

100

Speed

100 100

10 10

You can connect the Express

130T Standalone Hub to a

100Mbps hub that supports

daisy-chaining.

Connecting to Hubs and

Switches

Connecting to another 130T hub

Using no more than 5 meters of CAT 5 UTP cable, connect the Daisy-

chain port on one hub to any port except the Daisy-chain port on the

other hub. Do not connect two Daisy-chain ports. If you do, the two

connected hubs won’t be able to communicate.

Note Remember, if you use the Daisy-chain port, you can’t

simultaneously use Port 1 on the same hub.

Between hubs:

Category 5 UTP

5 meters maximum

You can connect no more than two Express 130T Standalone Hubs.

Always limit the cable length between the hub and any connected PC,

server, switch, or print server to 100 meters (328 feet). The IEEE

specification requires this distance.

Connecting to a 100Mbps hub

If you want to connect the Express 130T Hub to a 100Base-TX hub that

supports daisy-chaining, such as the Intel Express Standalone Hub,

follow the procedure for connecting two 130T hubs.

100BASE-TX Class oRepeater

1 2 3 4 5 6 7 8

X X X X X X X X

Partition

Link/Traffic

1 5 15 30 65

o o o o o

1 3 5 10 15

int l

Fast EtherHub-8s

Power

Do not connect the Express 130T Standalone Hub to a 100Base-T Class

I hub, such as the Express 10/100 Stackable Hub.

Don’t connect the Express

130T Standalone Hub to a

100Base-T Class I hub.

1 2 3 4

Intel Express

10/100 Stackable Hub

59 10 11 12 16

13 17 18 19 24

Intel Express

10/100 Stackable Hub

59 10 11 12

Connecting to an existing 10Mbps

segment

Using no more than 100 meters of CAT 3, 4, or 5 UTP cable, connect

the Daisy-chain port on the Express 130T Standalone Hub to an

MDI-X port on the 10Mbps hub or switch.

The Express 130T Standalone Hub’s internal bridge allows devices

connected to the hub to communicate with devices on the 10Mbps

segment.

10Mbps connections

Category 3, 4, or 5 UTP, 100 meters maximum

100Mbps connections

Category 5 UTP, 100 meters maximum

Connecting to a switch

Connecting hubs to a switch, such as the Intel Express 510T Switch,

allows you to extend your network topology. The cable length between

the Express 130T Standalone Hub and the switch must not exceed 100

meters.

If you’re connecting to a 10Mbps switch, make sure you use no more

than 100 meters of CAT 3, 4, or 5 UTP. If you’re connecting to a

100Mbps switch, make sure you use no more than 100 meters of

CAT 5 UTP.

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