Page 5 - NTRODUCTION; Welcome to the world of networking with 3Com; Figure 1; Small Network with OfficeConnect Dual Speed Switch
4 I NTRODUCTION 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 a...
Page 6 - Dual Speed Switch 5—Front
5 C REATING YOUR N ETWORK Dual Speed Switch 5—Front Power LED If theis lit ( ) the power supply tothe Switch ispresent. Power LED green , Duplex LED’s If the Duplex LED is lit (yellow), the portis in full duplex mode. If the LED is off,the port is in half duplex mode. Alert LED If the is off, the un...
Page 7 - Dual Speed Switch 8 —Front
6 Dual Speed Switch 8 —Front Power LED If theis lit ( ) the power supply tothe Switch ispresent. Power LED green , Duplex LED’s If the Duplex LED is lit (yellow), the portis in full duplex mode. If the LED is off,the port is in half duplex mode. Alert LED If the is off, the unit is operating correct...
Page 8 - Dual Speed Switch 8 —Rear
7 Dual Speed Switch 8 —Rear Power Adapter socket Only use the power adapter that issupplied with this OfficeConnectSwitch. Do not use any other adapter. 10/100BASE-TX ports Use suitable TP cable with RJ-45 connectors. You can connect theOfficeConnect Switch to any workstation or OfficeConnect hub th...
Page 9 - How the Switch Can Be Used; Switching; Figure 2; The Switch Separates Your Network and Controls the
8 How the Switch Can Be Used Switching When a network of repeater hubs is in operation, any information that is sent by the workstations is passed around the whole network (regardless of the destination of the information). This can result in a lot of unnecessary traffic that can slow the network do...
Page 10 - Connecting 10BASE-T and 100BASE-TX Networks; Before You Start; Your OfficeConnect Dual Speed Switch comes with:; Unit Connections; One suitable TP cable for each unit.
9 Connecting 10BASE-T and 100BASE-TX Networks 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. Alternatively, if you use 10BASE-T and want t...
Page 11 - Workstation Connections; One suitable twisted pair cable for each workstation.
10 Workstation Connections To connect workstations or other equipment (such as servers) directly to your Switch, you need: 1 One 10BASE-T, 100BASE-TX or 10/100BASE-TX adapter card for each workstation. 3Com produce a range of easy to install network adapters, which provide your workstation with a 10...
Page 12 - Stacking the Units Together; The Rubber Feet; You can stack up to a maximum of four; Figure 3; Stacking Your Units Together
11 Stacking the Units Together The Rubber Feet 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. Do not fix the feet if ...
Page 13 - Positioning Your Switch; Water or moisture cannot enter the case of the unit.; Securing Your Switch; CAUTION
12 Positioning Your Switch When installing your Switch, ensure: ■ It is out of direct sunlight and away from sources of heat. ■ Cabling is away from power lines, fluorescent lighting fixtures, and sources of electrical noise such as radios, transmitters and broadband amplifiers. ■ Water or moisture ...
Page 14 - Do not power the Switch off and on quickly.; Connecting OfficeConnect Units to Your Switch
13 Connecting Workstations and Other Equipment to Your Switch WARNING: Please read the ‘Important Safety Information’ section before you start. WARNHINWEIS: Bitte lesen Sie den Abschnitt ‘Wichtige Sicherheitsinformationen’ sorgfältig durch, bevor Sie das Gerät einschalten. AVERTISSEMENT: Veuillez li...
Page 15 - Checking Unit Connections; Figure 4; Correct Connections for an OfficeConnect Hub; Spot Checks; At frequent intervals, visually check that:; OfficeConnect
14 Checking Unit Connections When you have connected all your units, power on the units and the Switch. The Port Status LEDs for the ports you have used on both the units and the Switch should be on. If they are not, check your connections. Figure 4 Correct Connections for an OfficeConnect Hub There...
Page 16 - Do not use any other power adapter
15 P ROBLEM S OLVING 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 ...
Page 19 - Priority Queuing; is the ability of a network to give and
18 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. Automat...
Page 20 - Dimensions and Operating Conditions; “Regulatory Notices”
19 D IMENSIONS AND S TANDARDS Dimensions and Operating Conditions Standards Functional: ISO 8802/3IEEE 802.3, 802.3u Safety: UL 1950, EN 60950CSA 22.2 #950, IEC60950 EMC: EN 55022 Class BEN 55024FCC Part 15 Class B*ICES-003 Class BVCCI Class B CNS 13438 Class A Environmental: EN 60068 (IEC 68) *Refe...
Page 21 - Reducing the waste generated by all operations.; End Of Life Statement
20 E NVIRONMENTAL S TATEMENTS It is the policy of 3Com Corporation to be environmentally-friendly in all operations. To uphold our policy, we are committed to: ■ Establishing environmental performance standards that comply with national legislation and regulations. ■ Conserving energy, materials and...
Page 22 - WARNING
21 I MPORTANT S AFETY I NFORMATION 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...
Page 23 - Warnhinweise enthalten
22 W ICHTIGE S ICHERHEITSHINWEISE 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 ausbau...
Page 24 - ONSIGNES
23 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’app...
Page 25 - Online Technical Services; World W ide Web site.; World Wide Web Site; ECHNICAL
24 3Com provides easy access to technical support information through a variety of services. This section describes these 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 Wid...
Page 26 - Support from Your Network Supplier; Support from 3Com; Diagnostic error messages.
25 Support from Your Network Supplier 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...
Page 28 - Returning Products for Repair; To obtain an authorization number, call or fax:
27 Returning Products for Repair Before you send a product directly to 3Com for repair, you must first obtain a Return Material Authorization (RMA) number. Products sent to 3Com without authorization numbers will be returned to the sender unopened, at the sender’s expense. To obtain an authorization...
Page 29 - Com Corporation L; IMITED; Com OfficeConnect Dual Speed Switch 5, Switch 8
28 3Com Corporation L IMITED W ARRANTY 3Com OfficeConnect Dual Speed Switch 5, Switch 8 The duration of the warranty for the OfficeConnect Dual Speed Switch 5 (3C16790) and Switch 8 (3C16791) is lifetime, including the power adapter. The OfficeConnect Dual Speed Switches are covered by a lifetime li...
Page 31 - FCC S; CSA S
30 R EGULATORY N OTICES FCC S TATEMENT This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules, and the Canadian Department of Communications Equipment Standards entitled, “Digital Apparatus,” ICES-003. These limits are de...
