Compaq 1124 User Manual
Netelligent 1124
100Base-TX Repeater
User Guide
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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.
All rights reserved. Printed in the U.S.A.
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Compaq Netelligent 1124 100Base-TX Repeater
User Guide
First Edition (March 1996)
Part Number 185810-001
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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.
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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)
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Contents
Preface
Intended Reader........................................................................................................ix
Organization of Contents ..........................................................................................ix
Chapter 1
Introduction
Features..................................................................................................................1-1
Package Contents....................................................................................................1-2
Operational Overview.............................................................................................1-4
LED Indicators.................................................................................................1-5
RJ-45 Ports.......................................................................................................1-7
Uplink Switch..................................................................................................1-7
Chapter 2
Planning Repeater Installation
Installation Requirements........................................................................................2-1
Environmental Requirements...........................................................................2-1
Electrical Requirements...................................................................................2-1
Spatial Requirements .......................................................................................2-2
Twisted-Pair (UTP) Wired Requirements.........................................................2-2
Installing New Wire.........................................................................................2-3
System Planning Charts ..........................................................................................2-5
Chapter 3
Installing the Repeater
Mounting the Repeater............................................................................................3-1
Attaching Rubber Feet .....................................................................................3-1
Rack-Mounting the Repeater............................................................................3-1
Connecting Twisted-Pair Cable...............................................................................3-3
1124 100Base-TX Repeater User Guide
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viii
Setting the Uplink Switches....................................................................................3-3
Interconnecting Repeaters.......................................................................................3-4
Connecting Power...................................................................................................3-5
Disconnecting Power........................................................................................3-7
Replacing the Power Supply.............................................................................3-7
Installing a Redundant Power Supply Module.........................................................3-7
Appendix A
Specifications
Electrical Specifications.........................................................................................A-1
Physical Specifications ..........................................................................................A-2
Environmental Specifications.................................................................................A-2
Glossary
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Preface
This guide includes information about how to install and operate the Compaq
Netelligent 1124 100Base-TX Repeater.
We recommend that you read all chapters in this guide to become familiar
with all of 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.
Organization of Contents
The contents of this guide are organized as follows:
Chapter 1 Provides an operational overview of the repeater and describes
its components and features.
Chapter 2 Discusses special requirements for operating the repeater and
provides charts that can help you plan the installation of the repeater.
Chapter 3 Provides instructions for mounting the repeater, connecting
cable, interconnecting the repeater to another repeater, and connecting power
to the repeater. Also included are instructions for installing a redundant power
supply module.
Appendix A Includes the repeater's electrical, physical, and environmental
specifications.
Glossary Provides terms related to the repeater, as well as general
networking terms.
1124 100Base-TX Repeater User Guide
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1-1
Chapter 1
Introduction
Compaq’s Netelligent 1124 100Base-TX Repeater provides functionality for
24 RJ-45 ports. The repeater's uplink capability lets you connect the repeater
to another repeater or other 100Base-TX repeater. For backup power, you can
install an optional redundant power supply. The repeater's front panel makes it
easy to view the current operating status.
Features
The repeater includes these features:
■ Twenty-four shielded RJ-45 ports that support 100Base-TX
connections
■ Uplink port that enables bridging to 100Base-TX topologies
■ LEDs that indicate power supply status (A and B), collisions, and port
link/activity/partition status
■ Modular power supply design for easy removal and replacement
■ Auto-sensing power supply operates within the range of a 100 to 240
VAC, 50 to 60 Hz power source
■ Optional dual-redundant power supply
■ Class II support for 100Base-TX
■ Compatibility with the IEEE 802.3u 100Base-TX repeater specification
■ Chassis that can stand alone or be mounted in a standard, EIA 19-inch
rack
■ Surface-mount technology
1124 100Base-TX Repeater User Guide
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1-2 Introduction
Package Contents
Before you start to install the repeater, verify that this package contains the
following items:
■ 1124 100Base-TX Repeater (Part Number 267024-001)
■ AC power cord
■ Rack-mounting kit (two mounting brackets, eight 3/8-inch bracket
screws, and four 1/2-inch rack-mount screws)
■ Four adhesive-backed rubber feet
■ Compaq Netelligent 1124 100Base-TX Repeater User Guide
■ Warranty card
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