3C16734_Booklet.
3C16734_Booklet.book Page ii Monday, March 12, 2001 1:46 PM 3Com Corporation ■ 5400 Bayfront Plaza Copyright © 2001, 3Com Technologies. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without written permission from 3Com Technologies.
C16734_Booklet.
3C16734_Booklet.
3C16734_Booklet.book Page 4 Monday, March 12, 2001 1:46 PM INTRODUCTION Welcome to the world of networking with 3Com® . In the modern business environment, communication and sharing information is crucial. Computer networks have proved to be one of the fastest modes of communication but until recently, only large businesses could afford the networking advantage. The OfficeConnect® product range from 3Com has changed this, bringing networks to the small office.
3C16734_Booklet.book Page 5 Monday, March 12, 2001 1:46 PM CREATING YOUR NETWORK Dual Speed Switch 5—Front Alert LED If the Alert LED is off, the unit is operating correctly. After power on, the Alert LED remains lit (orange) for a short period of time while performing a self test. If it is continuously lit there may be a problem. Refer to the “Problem Solving” section. Power LED Port Status and Activity LEDs Duplex LED’s If the Power LED is lit (green), the power supply to the Switch is present.
3C16734_Booklet.book Page 6 Monday, March 12, 2001 1:46 PM Dual Speed Switch 8 —Front Alert LED If the Alert LED is off, the unit is operating correctly. After power on, the Alert LED remains lit (orange) for a short period of time while performing a self test. If it is continuously lit there may be a problem. Refer to the “Problem Solving” section. Power LED Port Status and Activity LEDs Duplex LED’s If the Power LED is lit (green), the power supply to the Switch is present.
3C16734_Booklet.book Page 7 Monday, March 12, 2001 1:46 PM Dual Speed Switch 8 —Rear Power Adapter socket 10/100BASE-TX ports Only use the power adapter that is supplied with this OfficeConnect Switch. Do not use any other adapter. Use suitable TP cable with RJ-45 connectors. You can connect the OfficeConnect Switch to any workstation or OfficeConnect hub that has a 10BASE-T, 100BASE-TX or 10/100BASE-TX port. Each port is capable of auto-negotiating for 10 Mbps or 100 Mbps operation.
3C16734_Booklet.book Page 8 Monday, March 12, 2001 1:46 PM whether it should be directed through the normal or high priority channel. This feature can be useful for example during excessive loads when one type of traffic may require priority over another. The Switch is configured to to comply with VLAN priority tagged frames and IP TOS / DSCP priority encoded frames.
3C16734_Booklet.book Page 9 Monday, March 12, 2001 1:46 PM Connecting 10BASE-T and 100BASE-TX Networks Before You Start The 10/100 ports can each be connected to either a 10BASE-T or 100BASE-TX network. If you have both types of network, you can join them together using the Switch allowing all your workstations to communicate.
3C16734_Booklet.book Page 10 Monday, March 12, 2001 1:46 PM Workstation Connections Twisted Pair (TP) Cables To connect workstations or other equipment (such as servers) directly to your Switch, you need: Cables can be shielded (screened) or unshielded; we recommend that you use shielded cable. Cables used for 100BASE-TX connections must be data grade (Category 5). The maximum length you can use is 100m (328ft). 1 One 10BASE-T, 100BASE-TX or 10/100BASE-TX adapter card for each workstation.
3C16734_Booklet.book Page 11 Monday, March 12, 2001 1:46 PM To fit another unit: Stacking the Units Together 1 Rest the second unit on top of the clip and align it with the front of the unit below. The Rubber Feet 2 Press down gently on the unit to secure it onto the clip, The four self-adhesive rubber feet prevent your hub from moving around on your desk. Only stick the feet to the marked areas at each corner of the underside of your hub if you intend to place the unit directly on top of the desk.
3C16734_Booklet.book Page 12 Monday, March 12, 2001 1:46 PM Positioning Your Switch Securing Your Switch When installing your Switch, ensure: There are two slots on the underside of the OfficeConnect Switch that can be used for wall mounting. It is recommended that you mount the Switch with the LEDs facing upwards to prevent dust entering the cooling vents. ■ It is out of direct sunlight and away from sources of heat.
3C16734_Booklet.book Page 13 Monday, March 12, 2001 1:46 PM This may take a few seconds and the outcome will be reflected in the LED’s on the front of the Switch’. Connecting Workstations and Other Equipment to Your Switch If the equipment connected to the Switch does not support auto-negotiation or if it has been disabled, it must be configured to operate in half duplex mode. WARNING: Please read the ‘Important Safety Information’ section before you start.
3C16734_Booklet.book Page 14 Monday, March 12, 2001 1:46 PM feature, it means either a 'straight through' or 'crossover' UTP cable can be used in any Switch port to make the connection to other switches, hubs and workstations. The switch will automatically detect which wiring practice has been followed and will compensate accordingly. Checking Unit Connections When you have connected all your units, power on the units and the Switch.
3C16734_Booklet.book Page 15 Monday, March 12, 2001 1:46 PM PROBLEM SOLVING The Switch has been designed to aid you when detecting and solving possible problems with your network. These problems are rarely serious; the cause is usually a disconnected or damaged cable, or incorrect configuration. If this section does not solve your problem, contact your supplier for information on what to do next. Please refer to pages 5 and 6 'Creating your Network' for a full description of the LED's.
3C16734_Booklet.book Page 16 Monday, March 12, 2001 1:46 PM frames regularly. Refer to the documentation that accompanies the piece of network equipment. If the Alert LED is still lit after removing all of your connections, there may be a problem with your Switch. Power it off, wait about 5 seconds and then power it on. If the Alert LED comes back on continuously, contact your supplier.
3C16734_Booklet.book Page 17 Monday, March 12, 2001 1:46 PM NETWORKING TERMINOLOGY A Network is a collection of workstations (for example, IBM-compatible PCs) and other equipment (for example, printers), connected for the purpose of exchanging information or sharing resources. Networks vary in size, some are within a single room, others span continents. A segment is the length of cable connected to a port.
3C16734_Booklet.book Page 18 Monday, March 12, 2001 1:46 PM Priority Queuing is the ability of a network to give and maintain certain throughput levels for different applications depending on the priority assigned to that application. At excessive loads a packet with a higher priority will take a greater precedence over a lower prioritised packet.
3C16734_Booklet.book Page 19 Monday, March 12, 2001 1:46 PM DIMENSIONS AND STANDARDS Dimensions and Operating Conditions Standards Power requirement Switch 5: 3.5 VA, 12 BThU/hr Switch 8: 5.6 VA, 19.12 BThU/hr Functional: ISO 8802/3 IEEE 802.3, 802.3u Safety: UL 1950, EN 60950 CSA 22.2 #950, IEC60950 EMC: EN 55022 Class B EN 55024 FCC Part 15 Class B* ICES-003 Class B VCCI Class B 225 mm (8.08 in.) 0 to 40 °C (32 to 105 °F) operating Switch 5: 0.6 Kg (1.3 lb) temperature Switch 8: 0.6 Kg (1.
3C16734_Booklet.book Page 20 Monday, March 12, 2001 1:46 PM ENVIRONMENTAL STATEMENTS It is the policy of 3Com Corporation to be environmentally-friendly in all operations. To uphold our policy, we are committed to: End Of Life Statement 3Com processes allow for the recovery, reclamation and safe disposal of all end-of-life electronic components. ■ Establishing environmental performance standards that comply with national legislation and regulations.
3C16734_Booklet.book Page 21 Monday, March 12, 2001 1:46 PM IMPORTANT SAFETY INFORMATION WARNING: Warnings contain directions that you must follow for your personal safety. Follow all directions carefully. You must read the following safety information carefully before you install or remove the unit: ■ Exceptional care must be taken during installation and removal of the unit. ■ Only stack the Switch with other OfficeConnect units.
3C16734_Booklet.book Page 22 Monday, March 12, 2001 1:46 PM WICHTIGE SICHERHEITSHINWEISE WARNHINWEIS: Warnhinweise enthalten Anweisungen, die Sie zu Ihrer eigenen Sicherheit befolgen müssen. Alle Anweisungen sind sorgfältig zu befolgen. Sie müssen die folgenden Sicherheitsinformationen sorgfältig durchlesen, bevor Sie das Geräts installieren oder ausbauen: ■ Bei der Installation und beim Ausbau des Geräts ist mit höchster Vorsicht vorzugehen.
3C16734_Booklet.book Page 23 Monday, March 12, 2001 1:46 PM CONSIGNES IMPORTANTES DE SÉCURITÉ AVERTISSEMENT: Les avertissements présentent des consignes que vous devez respecter pour garantir votre sécurité personnelle. Vous devez respecter attentivement toutes les consignes. Nous vous demandons de lire attentivement les consignes suivantes de sécurité avant d’installer ou de retirer l’appareil: ■ Faites très attention lors de l'installation et de la dépose du groupe.
3C16734_Booklet.book Page 24 Monday, March 12, 2001 1:46 PM TECHNICAL SUPPORT 3Com provides easy access to technical support information through a variety of services. This section describes these services. support options that range from technical education to maintenance and professional services. Information contained in this section is correct at time of publication. For the most recent information, 3Com recommends that you access the 3Com Corporation World Wide Web site.
3C16734_Booklet.book Page 25 Monday, March 12, 2001 1:46 PM Support from Your Network Supplier Support from 3Com If you require additional assistance, contact your network supplier. Many suppliers are authorized 3Com service partners who are qualified to provide a variety of services, including network planning, installation, hardware maintenance, application training, and support services.
3C16734_Booklet.book Page 26 Monday, March 12, 2001 1:46 PM Here is a list of worldwide technical telephone support numbers. These numbers are correct at the time of publication. Refer to the 3Com Web site for updated information. Country Asia, Pacific Rim Australia Hong Kong India Telephone Number Singapore S. Korea From anywhere in S. Korea: From Seoul: Taiwan, R.O.C.
3C16734_Booklet.book Page 27 Monday, March 12, 2001 1:46 PM Country Returning Products for Repair Austria Belgium Denmark Finland France Germany Hungary Ireland Israel Italy Netherlands Norway Poland Portugal South Africa Spain Sweden Switzerland U.K.
3C16734_Booklet.
3C16734_Booklet.book Page 29 Monday, March 12, 2001 1:46 PM The telephone technical support is available from 3Com from 9 a.m. to 5 p.m., local time, Monday through Friday, excluding local holidays. Telephone technical support is limited to the 3Com products designated above and may include assistance with installation, product specific configuration, and identification of equipment problems. Please refer to the Technical Support appendix in the User Guide for telephone numbers.
3C16734_Booklet.book Page 30 Monday, March 12, 2001 1:46 PM REGULATORY NOTICES CSA STATEMENT This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations. FCC STATEMENT Cet appareil numérique de la classe B respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada.
3C16734_Booklet.book Page 31 Monday, March 12, 2001 1:46 PM Part No.