Compaq Netelligent 3024 User manual

Netelligent 3024/3124

10Base-T Repeater

User Guide

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iii

Writer: Chris Seiter Project: NOTICE Comments: 185815-001/707049-001

File Name:1_NOTICE.DOC Last Saved On:3/28/96 10:31 AM

NOTICE

The information in this publication is subject to change without notice.

COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FOR TECHNICAL OR

EDITORIAL ERRORS OR OMISSIONS CONTAINED HEREIN, NOR FOR INCIDENTAL OR

CONSEQUENTIAL DAMAGES RESULTING FROM THE FURNISHING, PERFORMANCE, OR

USE OF THIS MATERIAL.

This publication contains information protected by copyright. No part of this publication may be

photocopied or reproduced in any form without prior written consent from Compaq Computer

Corporation.

The software described in this guide is furnished under a license agreement or non disclosure

agreement.

The software may be used or copied only in accordance with the terms of the agreement.

Product names mentioned herein may be trademarks and/or registered trademarks of their respective

companies.

 1996 Compaq Computer Corporation.

Compaq

Registered United States Patent and Trademark Office.

Netelligent is a trademark of Compaq Computer Corporation.

Compaq Netelligent 3024/3124 10Base-T Repeater

User Guide

Second Edition (April 1996)

Part Number 185815-002

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Federal Communications Commission Notice

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 harmful

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 instructions in

this manual, may cause interference to radio communications. Operation of this equipment in a residential

area is likely to cause harmful interference in which case the user will be required to correct the

interference at his own expense.

Class A devices bear a label indicating the interference potential of the device as well as additional

operating instructions for the user, such as the following: This device complies with Part 15 of the Federal

Communications Commission (FCC) Rules. Operation is subject to the following two conditions: (1) This

device may not cause harmful interference, and (2) this device must accept any interference received,

including interference that may cause undesired operation.

Canadian Department of Communications

Radio Frequency Statement

This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus

set out in the Radio Interference Regulations of the Canadian Department of Communications.

Le présent appareil numérique n'émet pas de bruits radioélectriques dépassant les limites applicables aux

appareils numriques de la classe A prescrites dans le Règlement sur le brouillage radioélectrique édicté par

le ministères des Communications du Canada.

Modifications

The FCC requires the user to be notified that any changes or modifications made to this device that are not

expressly approved by Compaq Computer Corporation may void the user’s authority to operate the

equipment.

Emissions

This equipment complies with EMC directive 89/336/EEC (ITE), which includes EN50081-1 CLASS 1:

1992 (EN55022/CISPR 22 for Class A ITE). It also complies with FCC Class A.

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European Union Notice

Products with the CE (Community European) Marking comply with both the EMC Directive (89/336/EEC)

and the Low Voltage Directive (73/23/EEC) issued by the Commission of the European Community.

Compliance with these directives implies conformity to the following European Norms:

■ EN55022 (CISPR 22) - Electromagnetic Interference

■ EN50082-1 (IEC801-2, IEC801-3, IEC801-4) - Electromagnetic Immunity

■ EN60950 (IEC950) - Product Safety

Safety

This equipment complies with UL 1950, Second Edition; CAN/CSA C22.2 No. 950-93, 73/23/EEC Low

Voltage Directive; TUV Rheinland EN60950, 1988; A1/1990, 1993; and A2/1992, 1992, 1993.

Immunity

This equipment complies with EMC directive 89/336/EEC (ITE), which includes EN 50082-1:

■ IEC 801-2 (Electrostatic Discharge)

■ IEC 801-3 (Radiated Immunity)

■ IEC 801-4 (Electrical Fast Transient/Burst)

■ EN55101-4 (Conducted Immunity) (not currently required)

Lithium Battery

The non-volatile RAM (NVRAM) chip on the motherboard contains a non-replaceable lithium battery.

Only trained service personnel should dispose of this chip.

La puce mémoire non volatile contient une pile au lithium non remplaçable. L'élimination de cette puce

devrait être confiée à un personnel qualifié

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Contents

Preface

What in This Guide?.................................................................................................ix

Chapter 1

Overview

Repeater Features....................................................................................................1-1

Management Features.............................................................................................1-2

Technical Specifications.........................................................................................1-3

Dimensions......................................................................................................1-3

Connectors.......................................................................................................1-3

LED Indicators/Configuration Button...............................................................1-3

Environment ....................................................................................................1-4

Front Panel and Back Panel ....................................................................................1-4

Lithium Battery ......................................................................................................1-5

Chapter 2

Media Connection Options

Using the UTP Media Option and Extended Distance.............................................2-1

Configuring Extended Distance for UTP Wiring.....................................................2-2

Using the BNC Media Option.................................................................................2-3

Using the AUI Media Option..................................................................................2-4

Using the Fiber Media Option.................................................................................2-4

Chapter 3

Setting Up the Repeater

Selecting a Location ...............................................................................................3-1

Environmental Requirements...........................................................................3-1

Electrical Requirements...................................................................................3-1

Spatial Requirements .......................................................................................3-1

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Connecting Power...................................................................................................3-2

Self-Test.................................................................................................................3-4

UTP Cabling Considerations...................................................................................3-5

Twisted-Pair Wire Specifications.....................................................................3-5

Connecting to a Network Station......................................................................3-8

Stacking Repeaters..................................................................................................3-9

Disconnecting Power......................................................................................3-10

Connections Between Repeater Stacks..................................................................3-11

Chapter 4

What Is Segmentation?

Defining Ethernet Segmentation ........................................................................... `4-1

Backplanes and Segmentation.................................................................................4-2

Examples of Network Configurations......................................................................4-3

Example 1........................................................................................................4-5

Example 2........................................................................................................4-6

Example 3........................................................................................................4-8

Example 4........................................................................................................4-9

Example 5......................................................................................................4-10

Chapter 5

Configuring/Monitoring the Repeater

Note for HubView Users.........................................................................................5-1

Configuration Modes ..............................................................................................5-2

Port Activity Monitor (Default Mode).....................................................................5-3

Switching Between Modes...............................................................................5-4

Backplane Segment (Mode 1).................................................................................5-5

Assigning Backplane Segments........................................................................5-6

Link Integrity Enable/Disable (Mode 2)..................................................................5-7

Enabling and Disabling Link Integrity..............................................................5-8

Port Enable/Partition (Mode 3) ...............................................................................5-9

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Enabling and Partitioning Ports......................................................................5-10

Chapter 6

Using the Serial COM Port

Serial COM Port.....................................................................................................6-1

Connecting to a Modem...................................................................................6-1

Local Console Interface ...................................................................................6-2

Updating Firmware..........................................................................................6-3

In-Band Management..............................................................................................6-4

Appendix A

Installing a Management Daughterboard

Requirements for the Management Daughterboard.................................................A-1

A Note About Repeater MAC Addresses................................................................A-2

Mounting the Management Daughterboard ............................................................A-3

Glossary

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Neteilligent 3024/3124 10Base-T Repeater User Guide

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Preface

This guide describes the configuration and installation of the Compaq

Netelligent 3024/3124 unmanaged and managing 10Base-T repeaters (Part

Numbers 267055-001 and 267060-001, respectively). It is important to review

all chapters of this publication to ensure a successful installation.

Verify that this package contains the following items:

■ 3024/3124 10Base-T repeater with factory-installed UTP media

connector

■ Power cord

■ Compag Netelligent 3024/3124 10Base-T Repeater User Guide

■ Warranty card

What's in This Guide?

Chapter 1— Provices a list of product features, specifications and

requirements.

Chapter 2 — Describes the type of cabling connections available for the

TriSegment repeater.

Chapter 3 — Explains installation procedures. This chapter also details basic

UTP wiring information for workstation connections.

Chapter 4 — Provides a primer for repeater segmentation and configuration

examples.

Chapter 5 — Explains how to view repeater status, select backplane segment

assignments, enable/disable link integrity and partition/enable port

assignments.

Chapter 6 —Describes how to download software and update firmware via

the repeater's front-panel serial port. This chapter also includes information

about in-band management.

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Appendix A — Explains how to upgrade an unmanaged repeater to a

managing repeater

Glossary — Provides a list of common terms used in the guide.

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1-1

Netelligent 3024/3124 10Base-T Repeater User Guide

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Chapter 1

Overview

The Compaq Netelligent 3024/3124 10Base-T unmanaged and managing

repeaters provide 23 10Base-T connections and one modular connection,

which can be 10Base-T (an STP/UTP module is factory installed), Thinnet,

AUI, or Fiber (FOIRL). There are two models available:

■ 3024 10Base-T Repeater (Unmanaged), Part Number 267055-001

■ 3124 10Base-T Repeater (Managing), Part Number 267060-001

Each repeater can support up to three separate eight-port backplane segments

(separate collision domains) and each segment can stand alone or connect to

another segment. The repeater’s plug and play design lets you quickly and

easily connect up to five repeaters in a single stack. No jumpering is required.

The configuration button conveniently located on the repeater's front panel

lets you quickly and easily configure the repeater and divide port groups into

segments.

Repeater Features

The repeater includes these features:

■ 100% NetWare optimized

■ Twenty-four ports: 23 STP/UTP and one modular UTP media module.

Optional media connectors support Thinnet, AUI, and Fiber (FOIRL)

wiring.

■ Support of up to three independent, eight-port backplane segments

(collision domains) per repeater

■ Expandable to five repeater stacks, supporting up to 15 Ethernet

segments and 120 ports

■ Configuration button/LED user interface provides convenient

management on the fly by enabling the user to assign backplane

segments, enable or partition ports, and enable/disable link integrity for

each port

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1-2 Overview

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■ Microprocessor-based self monitoring architecture (SNMP MIB) for

cost-effective, real-time management functionality via the

3124 10Base-T management repeater (Part No. 267060-001)

■ Full support for IEEE 802.3 repeater management standard

■ Diagnostic LEDs provide at-a-glance collision activity (per eight-port

segment), link status (per port), partition status (per port) and

backplane segment assignments (per eight-port segment)

■ Compatible with Compaq's HubView Management Software and

Novell's NetWare Hub Services (HUBCON) and Hub Services

Manager (NMS/HMI)

■ Complete 802.3 repeater with built-in retiming

■ Non-volatile memory to hold configuration information in case of a

power failure

■ Flash PROM for firmware updates

Management Features

The repeater provides a configuration button interface to let you perform a

variety of network management activities, including:

■ Assigning backplane segments to port groups

■ Partitioning ports and viewing port activity

■ Enabling and disabling link integrity

In addition, the managing repeater has the following management capabilities:

■ One 3124 10Base-T managing repeater can manage an entire stack

(containing up to four 3024 10Base-T unmanaged repeaters) via its on-

board SNMP agent and Compaq's Redirector, an HMI-compliant agent

■ Flash PROM updates for the entire stack via the local serial port

■ Manageable via Novell's NMS, Compaq's HubView, or other SNMP-

based management platform

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Technical Specifications

Dimensions:

■ 1.75 x 17.00 x 8.35 inches (4.45 x 43.18 x 21.21 centimeters)

(HxWxD)

Connectors

■ Two 68-pin female connectors for connecting multiple repeaters

■ Twenty-four built-in female RJ-45 connectors for STP/UTP wiring

■ One female 20-pin RJ-45 media board

■ One male DB-9 serial port (3124 10Base-T managing repeater only)

■ Optional media expansion connectors, plus the following three optional

media modules for alternative cabling:

❏ AUI connector for Thicknet (Part Number 267063-001)

❏ BNC connector for Thinnet (Part Number 267064-001)

❏ One pair of FOIRL-compatible ST connectors (Part Number

267065-001)

LED Indicators/Configuration Button

■ Three collision/mode indicators

■ Configuration button switch for mode select

■ 24 multi-function LED indicators

❏ link status/activity

❏ partition status

❏ port enable/partition

❏ link integrity enable/disable

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1-4 Overview

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❏ backplane segment assignment

Environment

■ Storage: 40° to 151° F; 40° to 66° C; 5% to 95% humidity (non-

condensing); 0 to 30,000 feet altitude; 0 to 9 kilometers

■ Operating Environment: 32° to 120° F; 0° to 49° C; 5% to 95%

humidity (non-condensing)

Front Panel and Back Panel

The following are examples of a repeater front panel and back panel with

some applicable components identified:

AUI

(Thicknet)

BNC

(Thinnet)

Fiber

(FOIRL)

Optional Media Connectors

PORT/SEGMENT

CONFIGURATION

MEDIA EXPANSION

PORT

Serial

Port

8

1 12

5

16

20

10

3

14

7

18

229

2

13

6

17

21

11

4 15 19 23

24

Mode 1 - BACKPLANE

Mode 2 - LINK DISABLE

Mode 3 - PARTITION

Collision 3

Mode 3

UPLINK

PORT 24

Collision 2

Mode 2

Collision 1

Mode 1

Factory Installed

UTP Module

Serial Port

(3124 Managing Repeaters Only)

Port/Segment

Configuration

Button

Uplink Switch

SEGMENT 2 SEGMENT 3SEGMENT 1

Figure 1-1. Repeater Front Panel

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IN OUT

EXPANSION PORTS

Power Cord Connector

68-pin Connectors

for Connecting

up to five

3024/3124 Repeaters

Fan

Figure 1-2. Repeater Back Panel

Lithium Battery

For information about the lithium battery, see the “Notice” section of this

guide.

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Netelligent 3024/3124 10Base-T Repeater User Guide

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Chapter 2

Media Connection Options

The repeater comes with a modular UTP media module that enables Port 1 to

function as a UTP connection. Optional media connectors (sold separately)

include:

■ AUI (Thicknet), Part Number 267063-001

■ BNC for Thinnet, Part Number 267064-001

■ Fiber (FOIRL), Part Number 267065-001

Thicknet

(P/N 267063-001)

Factory installed

UTP faceplate

(enables Port 1 to

act as UTP connection)

Thinnet

(P/N 267064-001)

FOIRL

(P/N 267065-001)

Optional Media Connectors

Figure 2-1. Optional Media Connectors

Using the UTP Media Option and

Extended Distance

The repeater comes with a UTP connector board installed. This media option

enables Port 1 on the repeater to function as the UTP media connection, and

by default, the board is configured to support normal cable distance. If UTP

wiring is used at normal distances, the repeater is ready to operate without

changing media connector options or jumper settings.

However, if it is necessary to configure the repeater to support extended cable

distance, move the jumper settings on the UTP media connector board. The

extended distance feature is not available with the AUI, Fiber, or BNC media

options.

NOTE: Normal distance is 100 meters (328 feet) with UTP cable and extended

distance is up to 150 meters (592 feet) on standard telephone UTP or 200 meters

(656 feet) on AT&T high-performance cable, e.g., SYSTIMAX 2061. Both ends of

the connection must support the extended distance feature.

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Configuring Extended Distance for UTP

Wiring

To set the extended distance on the UTP connector board, follow these steps:

1. Remove the two screws from the media connector faceplate and

carefully pull out the board.

2. Set the AW1 jumpers as shown in the figure below.

AW1

EXT

NORM

Standard

UTP

(default)

Extended

Distance

AW1

Figure 2-2. Extended Distance Jumper AW1

3. Replace the UTP media connector board, firmly connecting the 20- pin

male connector to the repeater's motherboard and tighten the faceplate

screws.

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Using the BNC Media Option

To connect the repeater to a Thinnet backbone, use the optional BNC media

connector (Part Number 267064-001). If the BNC port does not physically

connect to a cable, the connector board jumper must be set to disable the port

(default setting). An external terminator can also be used on this port. If a

terminator is used, set the jumper to the ON position for future connections.

NOTE: If there is no connection or external terminator at the BNC port, you must

set the jumper to OFF; otherwise the repeater will experience excessive collisions

that will adversely affect network performance.

The figure below shows the AW1 jumper settings.

AW1

ON

OFF

BNC

disabled

(default)

BNC

enabled

AW1

Figure 3-3. BNC Jumper AW1

To install the BNC media connector, follow these steps:

1. Remove the two screws from the media connector faceplate and

carefully pull out the factory installed UTP module board.

2. Verify that the BNC board jumpers are set correctly (ON enables the

connection, OFF disables the connection).

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3. Insert the BNC media connector board, firmly connecting the 20-pin

male connector to the repeater's motherboard and tighten the faceplate

screws.

Using the AUI Media Option

Use the AUI media connector (Part Number 267063-001) to connect the

repeater to a Thicknet backbone. To install the AUI connector:

1. Remove the two screws from the media connector faceplate and

carefully pull out the factory installed UTP module board.

2. Insert the AUI media connector board, firmly connecting the 20- pin

male connector to the repeater's motherboard.

3. Tighten the faceplate screws.

NOTE: There are no jumper settings for this optional board.

Using the Fiber Media Option

Use the fiber media connector (Part Number 267065-001) to connect the

repeater to a FOIRL backbone. To install the fiber connector:

1. Remove the two screws from the media connector faceplate and

carefully pull out the factory-installed UTP module board.

2. Insert the AUI media connector board, firmly connecting the 20-pin

male connector to the repeater's motherboard.

3. Tighten the faceplate screws.

NOTE: There are no jumper settings for this optional board.

WARNING: Observing the transmitter output power (port) on the fiber

module under magnification may cause injury to the eye. When viewed with

the unaided eye, the infrared output is radiologically safe. However, when

viewed under magnification, precaution should be taken to avoid exceeding

the limits recommended in ANSI Z136.1-1981.

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3-1

Netelligent 3024/3124 10Base-T Repeater User Guide

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Chapter 3

Setting Up the Repeater

This chapter provides the basic requirements for setting up the repeater. This

includes environmental, electrical, and spatial requirements, as well as UTP

cabling considerations. The chapter also explains how to stack repeaters and

how to connect stacks to each other.

Selecting a Location

You can place the repeater on a level surface (for example, a desktop or

cabinet) or mount it in a 19-inch rack using a rack mounting kit. Before you

select a location for the repeater, read this section to determine the

environmental, electrical, and spatial requirements.

Environmental Requirements

Be sure the temperature, humidity, and altitude of the intended operating

environment for the repeater is within the following ranges:

■ Temperature: 32º to 120º F (0º to 49º C)

■ Humidity: 5% to 95% (non-condensing)

■ Altitude: 0 to 10,000 feet (0 to 3 kilometers)

Electrical Requirements

Be sure there is a commercial power outlet within 6 feet (1.8 meters) of the

repeater. If there is not, use a power strip or grounded extension cord to

extend the range of the power cable.

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3-2 Setting Up the Repeater

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WARNING: The power outlet must be a non-switched, 3-pronged,

grounded outlet. Do not use a 3-to-2 pronged adapter at the outlet; using

this type of adapter may result in electrical shock and/or damage to the

repeater. Using the 3-to-2 adapter will also void the repeater's warranty.

The electrical requirements for the repeater are as follows:

Table 3-1

Electrical Requirements

Setting Requirements

Voltage

100 to 130 VAC*

Frequency

60 to 50 Hz

Current

0.21 to 0.1 Amps maximum

* The repeater's power supply automatically adjusts to the incoming power.

Spatial Requirements

The repeater's dimensions are: 1.75 x 17.00 x 11.65 inches (4.44 x 43.18 x

29.6 cm) (HxWxD). When you set the repeater on a level surface, allow at

least 2 inches (5.1 centimeters) on each side of the repeater for proper air

circulation. Leave at least 2 feet in front of the repeater to allow access for

connections.

Connecting Power

Follow these steps to connect the repeater to power:

1. Plug the power cord into the power connector on the back of the

repeater. The lip on the power connector faces the top of the repeater.

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