Compaq Netelligent 1005 Manuale utente

NETELLIGENT 1005

10BASE-T HUB

USER GUIDE

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iii

Writer: Chris Seiter Project: Notice 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.

1997 Compaq Computer Corporation.

Compaq

Registered United States Patent and Trademark Office.

Netelligent is a trademark of Compaq Computer Corporation.

Compaq Netelligent 1005 10Base-T Hub User Guide

First Edition (June 1997)

Part Number 167173-001

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Compaq Netelligent 1005 10Base-T Hub User Guide

Writer: Chris Seiter Project: Compaq Netelligent 1005 10Base-T Hub User Guide Comments:

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Contents

Netelligent 1005 10Base-T Hub

Package Contents............................................................................................................. 1

Hardware Description...................................................................................................... 2

LED Indicators ......................................................................................................... 2

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

Power Connector ...................................................................................................... 3

Installing the Hub ............................................................................................................ 3

Using the Hub Stand................................................................................................. 3

Making Hub Connections......................................................................................... 4

Troubleshooting............................................................................................................... 5

Other Important Tips................................................................................................ 5

Hub's RJ-45 Pin Assignments.......................................................................................... 6

Specifications................................................................................................................... 7

EMI Warning................................................................................................................... 8

The Interference Handbook...................................................................................... 9

VCCI Class 2 Compliance........................................................................................ 9

EN55022 Declaration of Conformance.................................................................... 9

CE Mark Declaration of Conformance................................................................... 10

Sicherheitshinweise................................................................................................ 10

Index

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Compaq Netelligent 1005 10Base-T Hub User Guide

Writer: Chris Seiter Project: Netelligent 1005 10Base-T Hub User Guide Comments:

File Name:1005.DOC Last Saved On:6/26/97 11:19 AM

Netelligent 1005

10Base-T Hub

This guide contains information necessary to install and operate the Netelligent

1005 10Base-T Hub. The guide is designed for the experienced network

installer. Please read through the following information to familiarize yourself

with the hub’s features and installation requirements.

Package Contents

Your package includes the following:

QNetelligent 1005 10Base-T Hub

QHub stand

QCompaq Netelligent User Guide CD

QCompaq Netelligent 10Base-T Hub Quick Install Guide

QPower Adapter

QWarranty Registration Card

NOTE: The Netelligent 1005 10Base-T Hub comes with a 3-year warranty. To

qualify the hub for a lifetime warranty, please fill in the enclosed Warranty

Registration Card and return it to the Compaq location nearest you as indicated on

the card.

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Netelligent 1005 10Base-T Hub User Guide

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Hardware Description

This section describes the hub’s main components. The following illustration

shows the hub’s front panel, back panel, and hub stand.

Figure 1 . Front and Side Panels, and Hub Stand

LED Indicators

The 1005 hub provides LED indicators that let you instantly monitor the status

of each port plus the overall status of the hub.

LED Color Indication

Power Green Power indicator.

Utilization 40% Yellow Traffic is 40% or more of Ethernet bandwidth (10Mbps).

Yellow Collision indicator; flashes to show network collision.Collision

Unlit No collisions.

Green RJ-45 port linked; flashes to indicate traffic is being received.Link-RX/Partition

Yellow RJ-45 port partitioned.

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Compaq Netelligent 1005 10Base-T Hub User Guide

Writer: Chris Seiter Project: Netelligent 1005 10Base-T Hub User Guide Comments:

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RJ-45 Ports

There are five RJ-45 MDI-X station ports and one RJ-45 MDI uplink port, each

providing a 10 Mb/s Ethernet channel. To connect to a workstation or server,

attach straight-through unshielded or shielded twisted-pair cabling to any station

port.

To connect to another Netelligent 1005 or compatible hub, attach straight-

through twisted-pair cabling to the UPLINK port. You can also connect to

another hub by running straight-through twisted-pair cabling from a station port

on this hub to a crossover port on the other hub. However, if you must connect

to another hub via stations ports at both ends of the cable, use crossover cabling.

NOTE: Using the UPLINK port disables Port 5.

Power Connector

The power adapter plugs into this connector. The power adapter plugs into the

main AC power source at 100V, 120V, 220-230V, or 240V at 50 to 60Hz.

Installing the Hub

This section describes different ways of using the supplied hub stand and

explains how to attach the hub to devices in your network.

Using the Hub Stand

You can attach and use the hub stand in the following ways:

QTo stand the hub upright on a desk or shelf, slide the stand onto the base

of the hub.

QTo lay the hub flat, slide the stand onto the back of the hub.

QTo mount the hub directly on a wall or office partition, first attach the

stand to the mounting location with two small screws. Then slide the

back of the hub onto the stand.

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Netelligent 1005 10Base-T Hub User Guide

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Making Hub Connections

Follow these steps to connect the hub to devices in your network.

1. Select an appropriate location.

2. Connect a workstation to any available RJ-45 station port (1-5) on the

hub using unshielded twisted-pair (UTP) cable. All connected devices

must be within 100 meters of the hub. You can connect up to five

workstations if you use the hub in a stand-alone configuration.

Uplinking Hubs

To uplink hubs, connect one hub’s UPLINK port to a normal

workstation port of another 1005 or compatible hub.

To limit the number of hubs in a path (when cascading more than two

hubs), link several hubs to one central hub. Be sure there is only one

path between any two stations on the network.

3. Plug the power adapter into the hub, and connect it to a grounded

electrical outlet.

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Compaq Netelligent 1005 10Base-T Hub User Guide

Writer: Chris Seiter Project: Netelligent 1005 10Base-T Hub User Guide Comments:

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Troubleshooting

Symptom: The partition indicator lights steadily or flashes.

Causes: The hub has a partitioned port, or a workstation’s network adapter or

network software is defective. Flashing green and yellow indicates activity

while the port is partitioned.

Solution: If a port has been partitioned, the hub automatically enables the port

when the fault is corrected, or the hub detects activity without incurring a

collision.

Symptom: The port link indicator remains off.

Causes: A workstation’s network adapter, cable, or hub port is defective.

Solution: The most common cause is a defective network adapter or cable

connection. Check the corresponding cable connections, or the workstation’s

network adapter for possible defects. Verify that the correct cable type (straight

or crossover) is being used. (Note that crossover cable is only required if you

cascade hubs via the RJ-45 station ports; that is, the UPLINK port is not used.)

Replace the defective cable or adapter.

Other Important Tips

QEnsure that cable distances, repeater limits, and other physical aspects of

the installation do not exceed IEEE 802.3 recommendations.

QVerify that the cabling type used is correct. Then tighten all cable

connections.

QBe sure the network adapter cards installed in the workstations and

cable connections are in good working condition.

QBe sure the network is properly configured and that all hubs are

connected to the network. Sometimes, hubs may be unintentionally

disconnected from the network.

QYou cannot use Port 5 and the UPLINK port at the same time. Be sure

that when you use the UPLINK port, Port 5 is not connected to a node.

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Netelligent 1005 10Base-T Hub User Guide

Writer: Chris Seiter Project: Netelligent 1005 10Base-T Hub User Guide Comments:

File Name:1005.DOC Last Saved On:6/26/97 11:19 AM

Hub's RJ-45 Pin Assignments

The following table and illustrations show the pin wiring for both straight and

crossover twisted-pair cable. (Note that crossover cable is required only if you

cascade hubs using RJ-45 Ports 1-5; that is, the UPLINK port is not used.)

MDI-X Assignment

(Port 1~5)

MDI-Assignment

(UPLINK Port)

1 Input Receive Data + Output transmit Data +

2 Input Receive Data - Output transmit Data -

3 Output transmit Data + Input Receive Data +

6 Output transmit Data - Input Receive Data -

4,5,7,8 Not Used Not Used

Figure 2 . RJ-45 Pin Configuration

Straight-Through Crossover

(Hub) (Adapter) (Hub) (Hub)

1 IRD+ 1 OTD+ 1 IRD+ 1 IRD+

2 IRD- 2 OTD- 2 IRD- 2 IRD-

3 OTD

3 IRD+ 3 OTD+ 3 OTD+

6 OTD- 6 IRD- 6 OTD- 6 OTD-

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Compaq Netelligent 1005 10Base-T Hub User Guide

Writer: Chris Seiter Project: Netelligent 1005 10Base-T Hub User Guide Comments:

File Name:1005.DOC Last Saved On:6/26/97 11:19 AM

Specifications

Transmission Technique: Baseband

Topology: Tree or Star

Access Method: CSMA/CD, 10 Mb/s

Standard Conformance: IEEE 802.3 10Base-T

Media Supported: Category 3, 4, 5 twisted-pair cable

Interfaces: Five RJ-45 station ports, One RJ-45

uplink port

Hub-to-Workstation Distance: 100m max cable length

Dimensions: 4.72 x 3.78 x 1.10 Inches

(12.1 x 9.7 x 2.82 cm)

Power Requirements: 8VAC, 50/60 Hz, 5 watts

Power Adapter: External power

adapter - 8 VAC, 8VA for

100V/120V/220-230V/240V AC input

Temperature: 0°C to 50°C (Standard Operating)

Humidity: 5% to 95% (Noncondensing)

Certification: CE Mark

Emissions: FCC Class B, VCCI Class 2,

CISPR Class B

Immunity: IEC 801-2,3,4, EN60555-2 Class D,

EN60555-3

Safety: UL, CSA, TÜV/GS

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