Compaq Netelligent 2524 User manual

Brand: Compaq

Model: Netelligent 2524

Category: Network switches

Type: User manual

This manual is also suitable for

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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 2524/2624 and 3512/3612 100Base-T Repeater

User Guide

First Edition (December 1996)

Part Number 283318-001

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Compaq Netelligent 2524/2624 and 3512/3612 100Base-T Repeater User Guide

Writer: IM Project: Federal Communications Commission Notice Comments: 283318-001

File Name:2_notice.doc Last Saved On:11/26/96 5:17 PM

Federal Communications Commission Notice

Part 15 of the Federal Communications Commission (FCC) Rules and Regulations has established Radio

Frequency (RF) emission limits to provide an interference-free radio frequency spectrum. Many

electronic devices, including computers, generate RF energy incidental to their intended function and are,

therefore, covered by these rules. These rules place computers and related peripheral devices into two

classes, A and B, depending upon their intended installation. Class A devices are those that may

reasonably be expected to be installed in a business or commercial environment. Class B devices are

those that may reasonably be expected to be installed in a residential environment (i.e., personal

computers). The FCC requires devices in both classes to bear a label indicating the interference potential

of the device as well as additional operating instructions for the user.

The rating label on the device shows which class (A or B) the equipment falls into. Class B devices have

an FCC ID on the label. Class A devices do not have an FCC ID on the label. Once the class of the device

is determined, refer to the following corresponding statement.

NOTE:

If this equipment contains a Token Ring interface, this equipment is a

Class A digital device when the Token Ring interface is utilized.

Class A Equipment

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, may cause harmful 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 personal expense.

Canadian Notice

This Class A digital apparatus meets all requirements of the Canadian Interference-Causing Equipment

Regulations.

Avis Canadien

Cet appareil numérique de la classe A respecte toutes les exigences du Règlement sur le matériel

brouilleur du Canada.

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vi Federal Communications Commission Notice

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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.

Cables

Connections to this device must be made with shielded cables with metallic RFI/EMI connector hoods in

order to maintain compliance with FCC Rules and Regulations.

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vii

Compaq Netelligent 2524/2624 and 3512/3612 100Base-T Repeater User Guide

Writer: IM Project: Federal Communications Commission Notice Comments: 283318-001

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European Union (EU) Notice

Products with the CE 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 (in brackets are

the equivalent international standards):

■

EN55022 (CISPR 22) - Electromagnetic Interference

■

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

Immunity

■

UL 1950, Second Edition; CAN/CSA C22.2 No. 950-93; TUV

Rheinland EN 60950; and 1988 + A1/1990+A2/1991 - Product Safety

Japanese Notice

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viii Federal Communications Commission Notice

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Fiber Port Class 1 Classification

Compaq fiber ports have been tested in accordance with the IEC 825-1 test standard and found to meet

the Class 1, intrinsically eye-safe emitter classification.

Product Label

CLASS 1 LED

KLASSE 1 LED

The fiber ports on this product have been tested in accordance with the

IEC 825-1 Test Standard and found to meet the Class 1, intrinsically

eye-safe emitter classification.

Lithium Battery

The non-volatile RAM (NVRAM) chip on the motherboard of the Netelligent 2524/2624 100Base-T

repeater 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 confieé à un personnel qualifié.

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Netelligent 2524/2624 and 3512/3612 100Base-T Repeater User Guide

Writer: Liz Fischer Project: Table of Contents Comments: 283318-001

File Name:2636_t.doc Last Saved On:12/5/96 3:37 PM

Contents

Chapter 1

Overview

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

Package Contents.........................................................................................................1-3

Repeater Components ..................................................................................................1-5

LED Indicators......................................................................................................1-7

Model 2524/2624 LEDs....................................................................................1-7

Model 3512/3612 LEDs....................................................................................1-7

RJ-45 Ports............................................................................................................1-9

Smart Uplink Port (2624 and 3612 Repeaters).....................................................1-9

Serial COM Port (2624 and 3612 Repeaters) ....................................................1-10

Power Supply......................................................................................................1-11

Expansion Interface.............................................................................................1-11

Dip Switches (2524 and 3612 Repeaters)..........................................................1-12

Model 2524 Dip Switches...............................................................................1-12

Model 3612 Dip Switches...............................................................................1-12

Migrating from 10Base-T to Fast Ethernet ...............................................................1-12

Fast Ethernet Repeater Management..........................................................................1-14

100Base-T Repeater Expansion.................................................................................1-15

Expanding 2524 and 2624 Repeaters..............................................................1-15

Expanding 3512 and 3612 Repeaters..............................................................1-15

Extending Your Network with Smart Uplink Modules .....................................1-17

Smart Uplink Configuration Examples...............................................................1-18

Smart Uplink Configuration 1 (Models 2524/2624)...........................................1-19

Smart Uplink Configuration 2 (Models 2524/2624)...........................................1-20

Smart Uplink Configuration 3 (Model 3612) .....................................................1-21

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Smart Uplink Configuration 4 (Model 2624)..................................................1-22

Smart Uplink Configuration 5 (Model 3612)..................................................1-23

Chapter 2

Planning Repeater Installation

Optional Hardware.......................................................................................................2-1

Installation Requirements.............................................................................................2-1

Environmental Requirements................................................................................2-1

Electrical Requirements........................................................................................2-2

Spatial Requirements ............................................................................................2-2

Cable Requirements .....................................................................................................2-3

Understanding Fast Ethernet Cable Budgets.........................................................2-3

Checking Your Cable Budget...............................................................................2-4

Cable Types and Distance Limitations .................................................................2-5

Smart Uplink Port Cable.......................................................................................2-8

Modem Cable........................................................................................................2-8

System Planning Charts ...............................................................................................2-9

Chapter 3

Installing the Repeater

Mounting the Repeater.................................................................................................3-1

Attaching the Rubber Feet ....................................................................................3-1

Rack-Mounting the Repeater ................................................................................3-1

Installing a Smart Uplink Module................................................................................3-3

Inserting the Smart Uplink Module into a 2624/3612 Repeater ...........................3-3

Connecting Twisted-Pair Cable ...................................................................................3-5

Interconnecting Repeaters............................................................................................3-5

Interconnecting 2524/2624 Repeaters...................................................................3-6

2524 Dip Switch Settings..................................................................................3-6

HOST/TARGET............................................................................................3-7

Invalid Connections.................................................................................3-8

MAN/UNM....................................................................................................3-8

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Netelligent 2524/2624 and 3512/3612 100Base-T Repeater User Guide

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Interconnecting 3512/3612 Repeaters.................................................................3-10

Connecting Power......................................................................................................3-11

Disconnecting Power ..........................................................................................3-12

Chapter 4

Repeater Management

Supported MIBs...........................................................................................................4-1

Supported Frame Types ...............................................................................................4-1

NVRAM.......................................................................................................................4-2

SNMP Management.....................................................................................................4-2

IP Support .............................................................................................................4-2

IP Autodiscovery Support.....................................................................................4-3

IPX Support ..........................................................................................................4-3

Configuring the Repeater at Bootup.............................................................................4-4

Using the VT100 Serial Port/Telnet Management Interface........................................4-5

Setting up the Terminal Emulation Program ........................................................4-6

Starting the Management Session.........................................................................4-7

Error Messages..................................................................................................4-8

Navigating Menu Option Screens.........................................................................4-9

Viewing System Information..............................................................................4-10

Viewing the Stack Configuration (Model 3612).................................................4-11

Viewing the Backup Port Configuration.............................................................4-12

Adding a Backup Port Entry ...........................................................................4-12

Deleting a Backup Port Entry..........................................................................4-13

Updating the State of a Backup Port Entry .....................................................4-13

Error Messages................................................................................................4-14

Viewing Port Statistics........................................................................................4-15

Viewing Port Group Statistics.............................................................................4-16

Changing Your Password....................................................................................4-18

Error Messages................................................................................................4-18

Downloading Firmware ......................................................................................4-19

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Error Messages................................................................................................4-20

Setting Up the Modem........................................................................................4-21

Logging Out of the Management Session...........................................................4-22

RMON Support (Model 3612)...................................................................................4-23

Statistics Group...................................................................................................4-23

History Group .....................................................................................................4-23

Alarm Group.......................................................................................................4-24

Event Group........................................................................................................4-24

Intrusion Protection (Model 3612).............................................................................4-25

Changing the Status of a Port..............................................................................4-25

Security...............................................................................................................4-26

Appendix A

Specifications

Physical.......................................................................................................................A-1

Electrical .....................................................................................................................A-1

Environmental.............................................................................................................A-2

Appendix B

Internal DIP Switch (Models 3512/3612)

Appendix C

Upgrading the DRAM (Model 3612)

Installing a SIMM ....................................................................................................... C-1

Appendix D

Electrostatic Discharge

Glossary

Index

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xiii

Netelligent 2524/2624 and 3512/3612 100Base-T Repeater User Guide

Writer: Liz Fischer Project: Preface Comments: 283318-001

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Preface

This guide contains information about how to install, operate, and manage the

Compaq Netelligent 2524/2624 and 3512/3612 100Base-T repeaters. We

recommend that you read all chapters in this guide to become familiar with the

repeater's features and to ensure a successful installation.

Intended Reader

This guide is written for network administrators and technicians responsible for

hardware installation.

Chapter Organization

The contents of this guide are organized as follows:

Chapter 1  Provides an overview of the repeater and describes the repeater's

features and components.

Chapter 2  Helps you plan the installation of the repeater. It includes all

repeater installation requirements as well as charts for planning the repeater

setup and rack inventory.

Chapter 3  Provides instructions for installing the repeater and a Smart

Uplink Module (SUM), and interconnecting repeaters.

Chapter 4  Provides information about in-band and out-of-band repeater

management, including SNMP, Telnet, and the VT100 console interface.

Appendix A  Includes the repeater's physical, electrical, and environmental

specifications.

Appendix B  Describes precautions to avoid electrostatic discharge that can

harm the repeater.

Appendix C  Provides instructions for installing additional DRAM, which

allows the repeater to collect a larger number of RMON (3612 model) statistics.

The Glossary  Provides definitions for terms related to repeaters, as well as

general networking terms.

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1-1

Netelligent 2524/2624 and 3512/3612 100Base-T Repeater User Guide

Writer: Chris Seiter/Liz Fischer Project: Chapter 1 Comments: 283318-001

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Chapter 1

Overview

Compaq Netelligent 2524, 2624, 3512, and 3612 100Base-T repeaters are

designed to bring reliable 100 Mb/s performance to your desktop. Compaq

Smart Uplink technology lets you interconnect managing versions of these

repeaters (Models 2624 and 3612) to increase the diameter of your network

beyond the normal limitations set by 100Base-T Class 1 specifications. You can

also integrate the repeater into your existing 10Base-T network using a switch,

bridge, or router. These repeaters offer a wide array of features for a versatile,

low-cost stackable repeater solution.

These Netelligent repeaters are available in the following models:

■

Netelligent 2524 — 24-port unmanaged 100Base-TX repeater

(Part Number 267001-001)

■

Netelligent 2624 — 24-port managing 100Base-TX repeater

(Part Number 267000-001)

■

Model 3512 — 12-port unmanaged 100Base-TX repeater

(Part No. 267008-001)

■

Model 3612 — 12-port managing 100Base-TX repeater

(Part No. 267007-001)

Features

These Netelligent repeaters provide these features:

■

24 RJ-45 ports for 2524/2624; 12 RJ-45 ports for 3512/3612

■

One Smart Uplink slot for a Smart Uplink module (SUM) and one

console port for Telnet and TFTP (Models 2624 and 3612 only)

■

24 bi-colored LED indicators (12 for Models 3512 and 3612) show port

activity, port link, and port disable/auto partition; other LEDs show

collisions, the power supply status, and the management status of the

repeater

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1-2 Overview

Writer: Chris Seiter/Liz Fischer Project: Chapter 1 Comments: 283318-001

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■

Smart Uplink capability extends the distance between repeaters to up to

100 meters/328 feet (or 412 meters/1352 feet with fiber). This allows

integration of multiple 100 Mb/s repeaters into an existing 100Base-T

configuration without normal repeater hop limitations.

■

TX, FX (ST), and FX (SC) Smart Uplink modules available

■

Four-group RMON (Remote MONitor) support allows remote diagnostic

monitoring via the network management system (Model 3612 only)

■

Fast Ethernet wiring standards ensure compatibility with all types of

UTP cabling

■

2524/2624 repeaters are stackable up to three units high (as long as the

stack contains a 2624 model), providing up to 72 workstation

connections. The 3512/3612 repeaters are stackable up to five units high

(as long as the stack contains a 3612 model), providing up to 60

workstation connections.

■

2524/2624 repeaters allow one backplane segment per stack, connected

via a backplane connection cable (Part No. 283305-001).

■

3512/3612 repeaters are segmentable on a per-unit basis; or, by

interconnecting repeaters with a FlexPlane backplane connection cable

(Part No. 810172-000), all repeaters in a stack can share up to three

common backplane segments.

■

Host/target design allows unmanaged repeaters (Models 2524 or 3512)

to be managed by a single managing repeater (Models 2624 or 3612).

■

2524 and 2624 repeaters provide an internal 110W power supply. 3512

and 3612 repeaters provide redundant hot-swappable load-sharing power

supply (90W) capability .

■

Compaq Netelligent Management Software is included free of charge

(2624 and 3612 managing units).

■

Port intrusion and security support (Model 3612 only)

■

Rack-mountable chassis

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1-3

Netelligent 2524/2624 and 3512/3612 100Base-T Repeater User Guide

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Package Contents

Before you start to install the repeater, verify that the package contains the

following items:

■

Netelligent 2524, 2624, 3512, or 3612 100Base-T repeater

■

Shielded AC power cord

■

Rack-mount kit (two side-mounting brackets, eight 3/8-inch bracket

screws, and four 1/2-inch rack mount screws)

■

Four adhesive-backed rubber feet

■

Compaq Netelligent 2524/2624 and 3512/3612 100Base-T Repeater

User Guide

■

Compaq Netelligent Management Software CD (with 2624 and 3612

repeaters)

■

Limited warranty information

The package may contain the following optional items, ordered separately:

■

Backplane connection cable (for Models 2524 and 2624) or FlexPlane

backplane connection cable (for Models 3512 and 3612)

■

Smart Uplink modules

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1-4 Overview

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Rack-Mounting Brackets

(2624 Only)

(3612 Only)

(2624 Only)

1/2-inch Rack Mount Screws (4)

3/8-inch Bracket Screws (8)

Power Cord

Rubber Feet (4)

COM PORT

COL

PWR

HUB STATUS

1 2 3 4 5 6 7 9 10 11 128

13 14 15 16 17 18 19 21 22 23 2420

2524/2624 100Base-T Class I Repeater

3512/3612 100Base-T Class I Repeater

PWR A

BP3

BP2

BP1

COL

PWR B

STATUS

COM PORT

1234567 91011128

XXXXXXXXXXXX

Limited Warranty

Netelligent 2524/2624

and 3512/3612

100Base-T Repeater

User Guide

Smart Uplink Modules

Limited Warranty

COLLISION

ACTIVITY

SMARTUP-TX

100BASE-TX

COLLISION

ACTIVITY

TX RX

SMARTUP-FX

100BASE-FX

COLLISION

ACTIVITY

SMARTUP-FXSC

100BASE-FX

100Base-FX (ST)

100Base-FX (SC)

Optional Parts, Ordered Separately

100Base-TX

68-pin

Connectors

2524/2624 Backplane

Connection Cable

(P/N 283305-001)

Compaq Netelligent

Management Software CD

(For 2624 and 3612 Repeaters)

Netelligent

Management

Software

3512/3612 FlexPlane

Backplane Connector

Figure 1-1. Package Contents

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1-5

Netelligent 2524/2624 and 3512/3612 100Base-T Repeater User Guide

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Repeater Components

This section provides a summary of the repeater's components. Figures 1-2 and

1-3 show the repeaters’ front and back panels:

COM PORT

COL

PWR

HUB STATUS

1 234567 91011128

13 14 15 16 17 18 19 21 22 23 2420

2524/2624 100Base-T Class I Repeater

3512/3612 100Base-T Class I Repeater

Smart Uplink Module Port

(Model 2624 only)

Collision, Power Supply,

and Status LEDs

Serial COM Port

(for out-of-band management

and firmware upgrades,

Model 2624 only)

RJ-45 Ports

and Link Status LEDs

PWR A

BP3

BP2

BP1

COL

PWR B

MGMT STATUS

COM PORT

234 567 91011128

XXXXXXXXXXXX

Serial COM Port

(for out-of-band management

and firmware upgrade —

Model 3612 only)

RJ-45 Ports and LEDs

Power Supply A, Power Supply B,

and Status LEDs

Collision, Backplane 1,

Backplane 2, and Backplane 3

LEDs

Smart Uplink Module Slot

Figure 1-2.

Repeater Front Panels

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1-6 Overview

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EXPN PORT BEXPN PORT A

UNM

HOST

TARGET

MAN

68-Pin Backplane Connectors

2624 Repeater Back Panel

2524 Repeater Back Panel

3512/3612 Repeater Back Panel

DIP Switch

Factory Default Settings

TARGET/MAN

PWR A

PWR B

DOWN

Main Power Supply Redundant Power Supply Hub Expansion Ports

Figure 1-3. Repeater Back Panels

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1-7

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LED Indicators

The repeater has several LED indicators to help you monitor and manage the

repeater. Table 1-1 describes the repeater LEDs.

Model 2524/2624 LEDs

The LEDs on the left side of the front panel indicate the collision status, power

supply, and general status of the repeater. The LEDs above each RJ-45 port

indicate activity on those ports. When you power on a managing 2624 repeater,

it performs a power-on self test (POST). The POST lasts approximately 1

minute. After the POST, all LEDs automatically change to their operational

modes.

Model 3512/3612 LEDs

The LEDs on the left side of the front panel indicate the status of both power

supplies (PWR A/main and PWR B/redundant) and the general repeater status.

The LEDs on the right side of the front panel show the collision status of the

repeater and the current backplane selection (1, 2, or 3). The LEDs above each

RJ-45 port indicates activity on those ports.

When you power on the managing 3612 repeater, it performs a power-on self

test (POST). The POST lasts approximately 1 minute, depending on the amount

of DRAM installed in the repeater (see Appendix C “Upgrading the DRAM”).

After the POST, all LEDs automatically change to their operational modes.

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1-8 Overview

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Table 1-1

LED Operations and Descriptions (All Models)

LED Status and Meaning

COL (Collision)

Flashing Yellow

 Global collisions are occurring anywhere in the repeater's collision domain

OFF  No collisions are occurring

RJ-45 Ports

Link Status

Solid Green  Successful link test

Flashing Green  Port activity

Solid Yellow  Port has been partitioned/disabled

OFF  Link test failure or no connection to the port.

PWR (Power -

Models 2524

and 2624)

OFF  Power is OFF to the repeater.

Solid Green  Power is ON to the repeater.

PWR A and

PWR B (Power

Supply A/B -

Models 3512

and 3612)

Solid Green  Power supply installed and operating properly

Solid Yellow  Power supply installed but not operating properly

Off  Power supply not installed

HUB STATUS

(Models 2524

and 2624)

Unmanaged Repeater (Model 2524)

OFF  The repeater is not currently managed; waiting for the 2624 to start.

Solid Green  The repeater is currently managed.

Solid Yellow  The repeater is isolated from the backplane or is not in a stack. In a two-repeater

2524/2524 (unmanaged) stack, you have set both repeater dip switches to TARGET or to HOST. In this

stack, set one dip switch to TARGET and the other to HOST.

Flashing Green  The 2524 repeater dip switch is set to UNM, which overrides the non-volatile port

enables from the 2624 managing repeater. Reset the 2524 dip switch to MAN.

Managing Repeater (Model 2624)

OFF  Basic firmware failure preventing the firmware from functioning correctly

Solid Green  The repeater successfully finished POST and is ready to manage.

Solid Yellow  The repeater is booting up and is not ready to manage.

Flashing Yellow  The POST failed.

Flashing Green  In a stack with one 2624 managing repeater and one or more 2524 repeaters, you

have set a 2524 repeater dip switch(es) to UNM. This setting overrides the non-volatile port enables

from the 2624 managing repeater. Reset the 2524 dip switch(es) to MAN.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-9

Netelligent 2524/2624 and 3512/3612 100Base-T Repeater User Guide

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Table 1-1, continued

STATUS

(Models 3512

and 3612)

Managing Repeater (Model 3612):

Off  The repeater is not currently managed by a managing repeater.

Solid Green  The repeater is currently managed by a managing repeater.

Solid Yellow  The repeater is currently managed by a managing repeater and has the hardware

override switch enabled. See Appendix B, “Internal Dip Switch.”

Unmanaged Repeater (Model 3512):

Off  Basic firmware failure preventing the firmware from functioning correctly

Solid Yellow  The repeater is booting up and is not ready to manage.

Flashing Yellow  The POST failed.

Solid Green  The repeater successfully finished POST and ready to manage.

Flashing Green  The hardware override switch is enabled and the repeater is ready to manage.

BP1, BP2, or

BP3

(Backplane -

Model 3612)

Green  Shows the currently selected backplane

Off  Shows that the backplane is not currently selected

NOTE: LEDs listed as “Yellow” might appear orange on the front panel.

RJ-45 Ports

The repeater’s RJ-45 ports allow connection to UTP or STP cabling to

workstations and servers in a 100Base-T network.

Smart Uplink Slot (2624, 3512/3612 Models)

The Smart Uplink slot houses a Smart Uplink module (SUM), which serves as a

connection point between repeaters, repeater stacks, and other manufacturers'

100Base-T repeaters or stacks. Smart Uplink modules let you extend your

network without the usual repeater hop limitations inherent with Class I

repeaters. Figure 1-4 shows the Smart Uplink modules.

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Compaq Netelligent 2524 User manual

Brand: Compaq

Model: Netelligent 2524

Category: Network switches

Type: User manual

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