Compaq HB1004 User manual

Brand: Compaq

Model: HB1004

Category: Network switches

Type: User manual

HB1004 10B -T HASE UB

USER GUIDE

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Writer: Weldon W. Rowan Project: Compaq HB1004 10Base-T Hub User Guide Comments:

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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.

 1998 Compaq Computer Corporation.

Compaq

Registered United States Patent and Trademark Office.

Compaq HB1004 10Base-T Hub User Guide

First Edition (July 1998)

Part Number 358665-021

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Compaq HB1004 10Base-T Hub User Guide

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Contents

Chapter 1

Overview

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

Package Contents.........................................................................................................1-2

Hub Components.........................................................................................................1-3

RJ-45 Ports...........................................................................................................1-3

Serial COM Port...................................................................................................1-3

LED Indicators.....................................................................................................1-3

MDI/MDI-X Slide Switch....................................................................................1-5

Chapter 2

Installation

Mounting the Hub........................................................................................................2-1

Mounting the Hub on a Flat Surface............................................................................2-1

Mounting the Hub in a Rack........................................................................................2-2

Connecting the Hub System........................................................................................2-3

Making a Connection via an MDI-X Port............................................................2-3

Making a Connection via the MDI/MDI-X Port (Port 4).....................................2-4

Powering On the Hub..................................................................................................2-4

Diagnostic Tests ..........................................................................................................2-6

Verifying Hub and Port Status.....................................................................................2-7

Applications.................................................................................................................2-8

Chapter 3

Setup and Configuration

Preparing for Configuration Management...................................................................3-1

Out-of-Band Connection......................................................................................3-1

In-Band Connection .............................................................................................3-3

Starting the Configuration Program.............................................................................3-3

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Compaq HB1004 System Configuration.....................................................................3-7

Displaying System Information..........................................................................3-10

Changing System Configuration ........................................................................3-11

Assigning Trap Managers...................................................................................3-12

Configuring Port Parameters..............................................................................3-13

Network Performance................................................................................................3-13

Downloading System Software..........................................................................3-14

Restarting the Agent...........................................................................................3-15

Reverting Configuration to Factory Settings......................................................3-15

Saving a New Configuration..............................................................................3-15

Resetting the Configuration................................................................................3-15

Help....................................................................................................................3-15

Appendix A

Specifications

HB1004 10Base-T Ethernet Hub................................................................................ A-1

Network Criteria......................................................................................................... A-2

Management Support.................................................................................................. A-2

Appendix B

Troubleshooting

Diagnosing Hub Indicators......................................................................................... B-1

Power and Cooling Problems..................................................................................... B-2

Installation.................................................................................................................. B-2

Port and Cable Assignments....................................................................................... B-2

Twisted Pair Cable ..................................................................................................... B-3

Using Diagnostic Mode.............................................................................................. B-4

Configuration ...................................................................................................... B-4

Download............................................................................................................ B-5

Factory Settings................................................................................................... B-5

Help..................................................................................................................... B-6

Exit...................................................................................................................... B-6

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Appendix C

Certification and Compliance

Safety Compliance...................................................................................................... C-1

Wichtige Sicherheitshinweise (Germany)........................................................... C-1

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Chapter 1

Overview

The Compaq HB1004 10Base-T Ethernet Hub is a stand-alone, intelligent, 4

port hub. If offers an SNMP V1-compliant firmware agent. The HB1004 can

be monitored and controlled through a network management station. In

addition, you can also cascade the hub to additional 10Mb/s hubs or

10/100Mb/s switches.

The hub supports both in-band and out-of-band management. For in-band

management you can use SNMP compliant network management software to

monitor and control the system. For out-of-band management, you can connect

the hub’s RS232 port to a PC running the Compaq HB1004 System

Configuration Program.

Features

Four RJ-45 10Base-T ports

IEEE 802.3 compliant

Provides one DB9 connector RS232 port for out-of-band network

management using the Compaq HB1004 System Configuration Program

One port is selectable to provide either MDI or MDI-X support

Supports automatic polarity detection and correction, permitting

automatic recovery due to wiring errors

Automatically auto-partitions bad ports to protect normal network

operation

Automatically adapts to a wide range of power sources

Can be mounted on a desktop or in a standard 19” rack

Includes a comprehensive LED indicator panel for reporting network

activity, unit configuration, and problem diagnosis

SNMP support including MIB-II, repeater MIB, and Compaq private

MIB

Supports FlashROM on board for easily updating the microcode using

TFTP or the Compaq HB1004 System Configuration Program running

on a PC

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Package Contents

Before you start to install the hub, verify that this package contains the

following items:

Compaq HB1004 10Base-T Ethernet hub

Communication cable

Adapter connectors

Power cord

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

screws, and four ½-inch rack-mount screws)

Four adhesive-backed rubber feet

Compaq HB1004 System Configuration Program diskette

Compaq HB1004 10Base-T Ethernet Hub User Guide

Warranty guide

Figure 1-1 Package Contents

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Hub Components

This section provides an overview of the Compaq HB1004 hub’s components

including the LED indicators, RJ-45 ports, and the serial COM port. Figure 1-1

shows the hub’s front panel.

Figure 1-1 Compaq HB1004 10Base-T Ethernet Hub Front Panel

RJ-45 Ports

The hub’s four RJ-45 ports allow connections to workstations and servers in a

10Base-T network via UTP cabling. When the MDI/MDI-X slide switch on the

front panel of the hub is set to MDI, Port 4 uses the MDI pinout and can be

used for a 10Base-T uplink. When the switch is set to MDI-X, Port 4 uses the

MDI-X pinout and can be connected directly to a network interface card (NIC).

Serial COM Port

The HB1004 hub contains a serial COM port that uses a male DB9 connector

with a standard AT pinout. You can use this port to connect to a workstation

for out-of-band communication using the Compaq HB1004 System

Configuration Program.

LED Indicators

The LED panel of the hub helps you monitor the hub’s operation. When you

power on the hub, it performs a power-on self test (POST) which lasts a few

seconds. After the POST, all LEDs reflect the current operational modes

described in Table 1-1.

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Unit LEDs

The unit-level LEDs on the HB1004 indicate the status of the power supply and

the percentage of use and collisions on the hub.

Table 1-1

Hub LED Conditions and Descriptions

LED Status Description

Power On Power supply is operational

Off Power supply is off

Utilization Indicates percentage of network utilization

1 Green lit 1% to 5%

2 Green lit 5% to 15%

3 Green lit 15% to 30%

3 Green, 1 Amber lit 30% to 65%

3 Green, 2 Amber lit Above 65%

Collision Indicates percentage of network collision count variation

1 Green lit 1% to 3%

2 Green lit 3% to 5%

3 Green lit 5% to 10%

3 Green, 1 Amber lit 10% to 15%

3 Green, 2 Amber lit Above 15%

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Port LEDs

There are two LEDs for each port to indicate link/activity and partition/disable

on the ports.

Table 1-2

Port LED Conditions and Descriptions

LED Status Description

Link/Activity Solid green A network device has established a link with the hub

Flashing green

Data is passing through the port, flashes in proportion to

rate of traffic passing through the port

Partition/Disable Solid Amber Indicates the port is partitioned

Flashing Amber Indicates the port has been disabled by management

Off The port is operating normally

MDI/MDI-X Slide Switch

The MDI/MDI-X slide switch is located on the front panel of the hub. This

switch allows you to use Port 4 as an uplink port to connect the hub to another

hub or switch. When the switch is in the MDI position, Port 4 uses the MDI

pinout for an uplink port. When the switch is in the MDI-X position, Port 4

uses the MDI-X pinout to connect to a workstation or server NIC.

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Chapter 2

Installation

This chapter provides information to help you prepare for and install the hub

and connect the hub to the network.

Mounting the Hub

You can place this hub directly on a desktop or mount it in a rack. Before you

start installing the hub, make sure you can provide the right operating

environment, including power requirements, sufficient physical space, and

proximity to other network devices you want to connect. Verify the following

installation requirements:

Power requirements: 100 to 240 VAC (+/- 10%) at 50 to 60 Hz (+/- 3

Hz). The hub’s power supply automatically adjusts to the input voltage.

The hub should be located in a cool, dry place with at least 10 cm (4 in.)

of space at the front and back for ventilation.

Place the hub out of direct sunlight and away from heat sources or areas

with a high amount of electromagnetic interference.

If you intend to mount the hub in a rack, make sure you have all the

necessary mounting screws, brackets, and tools.

Check if network cables and connectors needed for installation are

available.

Mounting the Hub on a Flat Surface

This hub can be placed anywhere there is enough flat space, such as on a table

or desktop.

Stick the self-adhesive rubber foot pads (that come with this package) on

each of the four concave spaces located on the bottom of the hub

Place the hub on a firm, flat surface.

Be sure you allow at least 2 inches (5 cm) on each side and 4 inches (10

cm) at the back of the hub for proper airflow.

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Mounting the Hub in a Rack

To mount the hub in a rack, follow these steps:

1. Use a standard EIA 19 inch rack

2. Use the brackets and screws supplied in the rack mounting kit

3. Use a cross-head screwdriver to attach the brackets to the side of the hub

Figure 2-1 Attaching the Mounting Brackets

4. Position the hub in the rack by lining up the holes in the brackets with

the appropriate holes on the rack, and then use the supplied screws to

mount the hub in the rack

Figure 2-2 Positioning the Hub in a Rack

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Connecting the Hub System

The Compaq HB1004 hub has four RJ-45 ports, one of which serves as an

MDI/MDI-X port.

Making a Connection via an MDI-X Port

You can connect any RJ-45 (MDI-X) station port on the hub to any device that

uses a standard network interface such as a PC or server. You can also connect

to an MDI-X port of a network interconnection device such as a bridge or router

by using a cross-over cable.

1. Prepare the network devices you wish to network. Make sure you have

installed 10Base-T network interface cards for connecting to the hub’s

RJ-45 (MDI-X) station ports. You also need to prepare straight-through

shielded or unshielded twisted-pair cables with RJ-45 plugs at both ends.

Use 100Ω Category 3, 4, or 5 cable for all RJ-45 connections.

2. Connect one end of the cable to the RJ-45 port of the network interface

card, and the other end to any available (MDI-X) station port on the hub.

When inserting an RJ-45 plug, be sure the tab on the plug clicks into

position to ensure that it is properly seated. Using the hub in a stand-

alone configuration, you can network up to four end nodes.

RJ-45

Connector

Figure 2-3 Inserting an RJ-45 Connector

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WARNING:

Do not plug a phone jack connector into any RJ-45 port.

This may damage the hub. Instead, use only twisted-pair cables with

RJ-45 connectors

NOTES:

1. Make sure each twisted-pair cable does not exceed 100 meters (328 feet)

2. When using Port 4 as an MDI-X port, set the port selection switch to MDI-X

Making a Connection via the MDI/MDI-X Port

(Port 4)

1. To make a direct connection to a compatible hub or switch, use the

MDI/MDI-X port (Port 4). When connecting to this port, remember to

set the port selection switch to MDI. You can also connect any RJ-45

(MDI-X) port on the hub to an MDI/MDI-X port on the other device

when the other device’s port is set to MDI.

2. Prepare straight-through shielded or unshielded twisted-pair cables with

RJ-45 plugs at both ends. Use 100Ω Category 3, 4, or 5 cable for all RJ-

45 connections. When inserting an RJ-45 plug, be sure the tab on the

plug clicks into position to ensure that it is properly seated.

NOTES:

1. To connect to another hub or switch, you may also attach to (MDI-X)

station ports at both ends if you use a crossover cable.

2. When using Port 4 as an MDI port, set the port selection switch to

MDI.

3. When connecting to another 10Mb/s hub, you can cascade up to four

hubs, and use up to 100 meters (328 feet) of cable between each

inter-hub link.

Powering On the Hub

1. Plug the power cord into the power socket at the rear of the hub, and the

other end into a power outlet (see Figure 2-4).

2. Turn on the power switch on the back of the hub ( I = on; 0 = off).

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Figure 2-4 Connecting the Power Cord

Check the LED marked PWR on the front panel to see if it is on. The

unit will automatically select the setting that matches the connected

input voltage. Therefore, no additional adjustments are necessary when

connecting it to any input voltage within the specified range. See

Appendix A for power requirements.

The hub performs a self-diagnostic test upon power-on.

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Diagnostic Tests

After power on, the hub automatically performs a diagnostic self-test. During

this test, port status LEDs indicate the success or failure of each test.

The system tests each component one at a time. At the completion of the test, if

no diagnostic LEDs are lit, then all components passed the test. If a component

fails the test, the corresponding LED will continue blinking. The following

table identifies the component that corresponds to each diagnostic test LED.

Figure 2-5 Power On Self Test Diagnostic LEDs

Table 2-1

LED Diagnostic Test Functions

LED Series LED Number Test Function/Component

Partition/Disable 1 CPU

2 Flash ROM 1

3SRAM

4 LAN Controller

Link/Activity 1 HUB Controller

2 Serial Port RS232 Controller

3 EEPROM

4 Flash ROM 2

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Verifying Hub and Port Status

After the hub completes the POST, you can check hub activity and each

connection by comparing the indicators with Table 2-2.

Figure 2-6 HB1004 Hub and Port LEDs

Table 2-2

Hub and Port LED Indicators

LED State Indication

Power On Hub receiving power, CPU running

Utilization% On Number of LEDs lit indicates percentage of LAN bandwidth used

Collision% On Two or more devices attempted to transmit data at the same time,

number of LEDs lit indicates percentage of collisions

Link/Activity On Port has established a valid network connection

Flashing Port is receiving packets; blinking proportional to traffic

Partition/Disable On Port partitioned due to an abnormal network condition

Flashing Port has been disabled by management

Off Port is operating normally

Table 1-1 in Chapter 1 explains the LED system for indicating percentages for

Utilization and Collisions.

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Applications

This hub is not only designed to provide network access for 10Mb/s

connections, but also to provide options in setting up network connections. It

can be used as a simple stand-alone hub or can be cascaded to any compatible

hub or switch. A sample configuration diagram is shown in Figure 2-7.

Figure 2-7 A Sample Application Using the HB1004 10Base-T Ethernet Hub

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Chapter 3

Setup and Configuration

Preparing for Configuration

Management

There are two methods for configuring the Compaq HB1004 - using the out-of-

band program or using in-band network management software (not supplied).

The diskette included with the Compaq HB1004 contains the menu-driven

Compaq HB1004 System Configuration Program. To use this program, make a

direct PC or modem connection to the serial port on the front of the hub.

Out-of-Band Connection

Out-of-band configuration requires a computer as your workstation. There are

two valid connection types to the hub:

Out-of-band onsite connection - The workstation, normally within the

vicinity of the hub, is directly connected to the serial port on the hub.

Out-of-band modem connection - The workstation is connected to the

remote hub via a modem.

Onsite Connection

Attach a PC to the serial port on the hub. Use the communication cable (and

DB9 to RJ-45 converters) provided with this package. Configure the PC’s

serial port for 9600 baud, 8 bits, no parity, and one stop bit (9600, 8, N, 1). See

Figure 3-1.

NOTE

: Some PCs may have a 25 pin serial port. For these PCs use the DB25 to

RJ-45 converter supplied with the hub instead of the DB9 to RJ-45 converter

mentioned above to connect the PC.

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Figure 3-1. Out-of-Band Connection Using an Onsite PC

Modem Connection

Connect the COM port on the hub to the serial port on the modem. Use the

communications cable provided with the hub and DB9/25 to RJ-45 converters

as needed. At the remote site, connect the PC’s COM port to the remote

modem. Configure the PC’s COM port and the modems for 9600 baud, 8 bits,

no parity, and one stop bit (9600, 8, N, 1). See Figure 3-2.

Figure 3-2. Out-of-Band Connection Using a Remote PC and Modem

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Compaq HB1004 User manual

Brand: Compaq

Model: HB1004

Category: Network switches

Type: User manual

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