Intel 220T, 210T User Manual

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Intel Express 220T and 210T Stackable Hubs

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.

Copyright © 1998, Intel Corporation. All rights reserved.

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

May 1998

694466-001

Contents

220T and 210T Overview .....................................................................

2

Feature Comparison ..............................................................................

3

Understanding 220T Hubs ....................................................................

4

220T Port LEDs .............................................................................

4

220T Hub LEDs ............................................................................

5

Understanding 210T Hubs ....................................................................

6

210T Port LEDs .............................................................................

6

210T Hub LEDs ............................................................................

7

Connecting to Devices ..........................................................................

8

Connection Guidelines ..................................................................

8

Stacking Hubs .......................................................................................

9

Why Stack? ...................................................................................

9

Bridging Segments ...............................................................................

10

Bridging 220T Hubs ......................................................................

10

Bridging 210T Hubs ......................................................................

11

Cabling Devices ....................................................................................

12

Media Requirements .....................................................................

12

Straight-through vs. Crossover Cables ..........................................

12

Frequently Asked Questions .................................................................

14

Regulatory Information and Warnings .................................................

16

Hardware Warranty ...............................................................................

18

Troubleshooting ....................................................................................

20

Intel Customer Support .........................................................................

21

1

220T and 210T Overview

Features

This guide covers both the 12and 24-port versions of the Intel® Express 220T Stackable Hub and the Express 210T Stackable Hub (formerly known as the Express 10/100 Stackable Hub).

12-port 220T Hub

 

 

 

 

 

 

 

Intel Express 220T

 

 

 

 

Stackable Hub

 

 

 

 

 

Colls 10Mbps

Bridged

Power

 

 

 

Colls 100Mbps

Managed

Enable/Disable

 

 

 

RPS

Status

Bridging

1 2 3 4 5 6 7 8

9 10 11

12

Left (Orange/Green)

 

 

 

 

 

Orange = 10Mbps

 

 

 

 

 

Green = 100Mbps

 

 

 

 

 

Solid = Link

 

 

 

 

 

Blink = Activity

 

 

 

 

 

Right (Yellow)

 

 

 

 

Class I

Solid = Disabled

 

 

 

 

Blink = Wrong speed

 

 

 

 

 

Hub LEDs

 

Bridging

24-port 220T Hub

 

 

 

Button

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Intel Express 220T

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Stackable Hub

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Colls 10Mbps

 

Bridged

 

Power

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Colls 100Mbps

 

Managed

 

Enable/Disable

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RPS

 

Status

 

Bridging

1

2

3

4

5

6

7

8

9

10

11

12

13 14

15

16

17

18

19

20

21 22

23

24

 

Left (Orange/Green)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Orange = 10Mbps

Port LEDs

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Green = 100Mbps

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Solid = Link

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Blink = Activity

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Right (Yellow)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Class

I

Solid = Disabled

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Blink = Wrong speed

12-port 210T Hub

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Intel Express 210T

 

 

Expansion

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Stackable Hub

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10Base-T

 

Collision

 

Power

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Change Hub Speed

 

 

 

 

Slot

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100Base-TX

 

Managed

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Status

 

 

1

2

3

4

5

6

7

8

9

10

11

12

Left (Green)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Solid = Link

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Blink = Activity

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Right (Yellow)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Solid = Disabled

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Class I

Blink = Wrong speed

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Hub LEDs

 

 

 

 

 

Change Speed

24-port 210T Hub

 

 

 

 

 

 

 

 

 

 

 

 

 

Button

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Intel Express 210T

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Stackable Hub

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Change Hub Speed

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10Base-T

 

Collision

 

Power

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100Base-TX

 

Managed

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Status

 

 

1

2

3

4

5

6

7

8

9

10

11

12

13 14

15

16

17

18

19

20

21 22

23

24

 

Left (Green)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Solid = Link

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Blink = Activity

Ports

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Right (Yellow)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Solid = Disabled

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Class

I

Blink = Wrong speed

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Input

100-120VAC/2.5A

200-240VAC/1.5A 47Hz-63Hz

Redundant Power Supply (RPS)

Fan

AC

RPS

Cascade

 

Power

Connector

Connectors

 

Plug

(220T Hubs only)

 

2

Feature Comparison

Express 220T (EE220TX12)

 

 

 

 

 

 

 

 

 

 

 

Intel Express 220T

 

 

 

 

 

 

 

 

 

 

 

 

Stackable Hub

 

 

 

 

 

 

 

 

 

 

 

 

 

Colls 10Mbps

Bridged

Power

 

 

 

 

 

 

 

 

 

 

 

Colls 100Mbps

Managed

 

 

 

 

 

 

 

 

 

 

 

 

RPS

Status

 

1

2

3

4

5

6

7

8

9

10

11

12

 

 

 

 

 

 

 

 

 

 

 

 

 

Class I

 

 

12 ports, autosensing 10Mbps or 100Mbps per port

Bridges 10Mbps and 100Mbps segments

Supports Redundant Power Supply (RPS)

Two expansion slots for optional modules

Express 220T (EE220TX24)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Intel Express 220T

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Stackable Hub

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Colls 10Mbps

 

Bridged

Power

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Colls 100Mbps

 

Managed

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RPS

 

 

Status

 

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Class

I

24 ports, autosensing 10Mbps or 100Mbps per port

Bridges 10Mbps and 100Mbps segments

Supports Redundant Power Supply (RPS)

Express 210T (EE210TX12)

 

 

 

 

 

 

 

 

 

 

 

Intel Express 210T

 

 

 

 

 

 

 

 

 

 

 

 

Stackable Hub

 

 

 

 

 

 

 

 

 

 

 

 

 

10Base-T

Collision

Power

 

 

 

 

 

 

 

 

 

 

 

100Base-TX

Managed

 

 

 

 

 

 

 

 

 

 

 

 

 

Status

 

1

2

3

4

5

6

7

8

9

10

11

12

 

 

 

 

 

 

 

 

 

 

 

 

 

Class I

 

 

All 12 ports operate at same speed (10 or 100Mbps)

Two expansion slots for optional modules

Express 210T (EE210TX24)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Intel Express 210T

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Stackable Hub

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10Base-T

 

 

Collision

Power

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100Base-TX

 

Managed

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Status

 

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Class

I

All 24 ports operate at same speed (10 or 100Mbps)

Common Features and Optional Modules

Stack up to eight hubs (mixed 12or 24-port)

Compatible with Express 10/100 Stackable Hub

Mix 220T, 210T, and Express 10/100 hubs in a stack

Full-duplex support through the optional Ethernet Module.

Ethernet Module

 

 

or

Auto-negotiate

 

Auto-negotiate

Change

Change

Coll

duplex

duplex

100 Mbps

Full-duplex

 

Half-duplex

 

10 Mbps

MDI MDI-X

• 100Base-FX support and full-duplex support through the optional Fiber Module.

Fiber Module

Change

Xmt

Link

 

 

duplex

Full-duplex

 

 

 

 

 

 

 

 

Half-duplex

 

 

 

 

Rcv

Coll

TX

RX

• SNMP, RMON, and web-based management through the optional Management Module.

Management Module

Esc

with RMON

Reset

3

Understanding 220T Hubs

220T Port LEDs

The LEDs above each port provide information about the port’s configuration and status.

 

Left side:

 

 

 

Right side:

 

 

 

 

 

Orange/

 

 

Yellow

 

Green

 

 

 

 

 

 

 

 

 

LED

Status

Meaning

 

 

 

Left

Solid orange

Device linked at 10Mbps.

 

Solid green

Device linked at 100Mbps.

 

Blinking orange

Receive activity at 10Mbps.

 

Blinking green

Receive activity at 100Mbps.

 

Off

No link detected.

 

 

 

Right

Solid yellow

Port disabled by management (not applicable

 

 

 

 

without optional Management Module).

 

Blinking yellow

Speed mismatch (not applicable without

 

 

 

 

optional Management Module).

 

Erratic blinking yellow

Port auto-disabled (partitioned). See below.

 

Blinking yellow and

Out-of-specification cabling or port hardware

 

Status LED blinking

problem. Try a different cable.

 

 

 

 

 

 

Partitioned ports

A port is automatically disabled (partitioned) by the hub when an invalid condition occurs, such as too many consecutive collisions.

Once the hub sees a valid packet of data from the device or is able to transmit data to the port, the hub automatically re-enables (unpartitions) the port. Clients are usually not affected by a partitioned port because the port is often unpartitioned very quickly.

Usually, a partitioned port indicates an overloaded network or a malfunctioning device (like an adapter card) on the network. To alleviate an overloaded network, segment so that fewer devices share the fixed amount of bandwidth.

4

220T Hub LEDs

The hub LEDs on the 220T indicate these conditions: collisions, status of internal bridging, if the hub is managed, and the condition of the hub’s power supply.

LED

Status

Meaning

Colls 10Mbps

Blinking

Collisions detected on 10Mbps segment.

Colls 100Mbps

Blinking

Collisions detected on 100Mbps segment.

 

 

 

RPS

On (green)

Optional RPS is present and on standby.

 

Off

No RPS unit present.

 

On (red)

RPS is active; hub power supply failed.

 

 

 

Bridged

On

10Mbps and 100Mbps segments can

 

 

communicate.

 

Off

No communication between segments.

 

 

 

Managed

On

Hub is managed by the optional

 

 

Management Module.

 

Off

Hub is not managed.

 

 

 

Status

On

Hub is operating normally.

 

Blinking

Hub has an internal hardware or software

 

 

problem. See descriptions for the right

 

 

port LED on page 4.

 

 

 

Managed and Status

Blinking

Hub failed to load its internal software.

 

 

 

Power

On

Hub is receiving power.

 

Off

Hub is not receiving power.

 

 

 

5

Understanding 210T Hubs

210T Port LEDs

The LEDs above each port provide information about the port’s configuration and status.

Left side:

 

 

 

Right side:

 

 

 

Green

 

 

Yellow

 

 

 

 

 

 

 

 

 

 

LED

Status

Meaning

Left

Solid green

Port has a link.

 

Blinking green

Receive activity at port.

 

Off

No link detected.

 

 

 

Right

Solid yellow

Port disabled by management (not applicable

 

 

without optional Management Module).

 

Blinking yellow

Speed mismatch. Check that device speed

 

 

and hub speed match.

 

Erratic blinking yellow

Port auto-disabled (partitioned). See below.

 

Blinking yellow and

Out-of-specification cabling or port hardware

 

Status LED blinking

problem. Try a different cable.

 

 

 

Partitioned ports

A port is automatically disabled (partitioned off) by the hub when an invalid condition occurs, such as too many consecutive collisions.

Once the hub sees a valid packet of data from the device, or is able to transmit data to the port, the hub automatically re-enables (unpartitions) the port. Clients are usually not affected by a partitioned port because the port is often unpartitioned very quickly.

Usually, a partitioned port indicates an overloaded network or a malfunctioning device (like an adapter card) on the network. To alleviate an overloaded network, segment so that fewer devices share the fixed amount of bandwidth.

6

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