Page 4 - Online Technical Services 30; Com Corporation Limited Warranty 35
4 Consignes importantes de sécurité 29 Technical Support 30 Online Technical Services 30 World W ide Web Site 30 3Com Knowledgebase Web Services 30 Support from Your Network Supplier 31 Support from 3Com 31 Returning Products for Repair 34 3Com Corporation Limited Warranty 35 Electromagnetic Compati...
Page 5 - NTRODUCTION; Figure 1; Small Network W ith OfficeConnect Hub and Optional
5 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 advantage o...
Page 6 - not; Workstation Connections
6 C REATING YOUR N ETWORK What Else Do I Need? Your OfficeConnect hub comes with: ■ One power adapter for use with the OfficeConnect hub. ■ A Product Registration card for you to fill out and return. ■ Four rubber feet. ■ A stacking clip. ■ Two unit labels and eight cable ties. ■ An OfficeConnect Ne...
Page 7 - Hub Connections; Figure 2; Some of the 10BASE-2 Equipment You May Need; One straight-through TP cable for each extra hub.
7 Hub Connections Depending on what ports your hub has, you can use either 10BASE-T or 10BASE-2 to connect your hubs together: ■ With 10BASE-2 you can connect up to 30 hubs on a single segment, leaving all of the 10BASE-T ports free. ■ With 10BASE-T you can connect up to four hubs in series. 10BASE-...
Page 8 - Stacking the Units Together; The Rubber Feet; You can stack up to a maximum of four; Figure 3; Stacking Your Units Together
8 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 y...
Page 9 - Only wall mount single hubs, do not wall; Using Your Hub
9 Positioning Your Hub When installing your OfficeConnect hub, 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 mo...
Page 10 - Ethernet Hub 4 and 4C—Front; Alert LED
10 T HE O FFICE C ONNECT E THERNET H UB 4 AND 4C Ethernet Hub 4 and 4C—Front 1 2 3 4 Green=AUI off=COAX 1% 2% 3% 6% 12% 25% 50% 80% Port Status Network Utilization Partitioned AUI/COAX Alert OfficeConnect Ethernet Hub 4C Green = OK, Yellow = Partitioned Power Collision Activity Alert LED orange Aler...
Page 11 - Ethernet Hub 4 and 4C—Rear; Power Adapter socket
11 Ethernet Hub 4 and 4C—Rear Power Adapter socket Only use the power adapter that is supplied withthis OfficeConnect hub. Do not use any otheradapter. 10BASE-2 port (Hub 4C only) Can be used to connect your hub to other OfficeConnecthubs and equipment with 10BASE-2 cabling.If used, it is effectivel...
Page 12 - Connecting Transceivers to the AUI Port
12 Connecting Workstations and Other Equipment to Your Hub 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 lire ...
Page 13 - Figure 4; Correct Hub Connections Using 10BASE-2
13 Connecting Hubs Using 10BASE-2 Connect a 10BASE-2 ‘Y’ piece to each of your hubs (Hub 4C only). Connect the ‘Y’ pieces with 10BASE-2 cable to form a single segment, as shown in Figure 4. Remember to terminate the two free ends of the segment by fitting terminators (end pieces). To disconnect a 10...
Page 14 - Spot Checks; At frequent intervals, visually check that:; Figure 5; Correct Hub Connections Using 10BASE-T
14 Connecting Hubs Using 10BASE-T You can connect hubs together with 10BASE-T in a number of ways, but for simplicity we recommend the following method, as shown in Figure 5: 1 Starting from the bottom, connect the port 4 of the lower hub to port 3 of the hub immediately above. Repeat this for each ...
Page 16 - There is a problem with this connection.; Figure 6
16 Port Status LED not lit for a 10BASE-T port that has a connection. There is a problem with this connection. Check that you are using a straight-through 10BASE-T cable which is properly connected at both ends, and is not damaged. If the cable is connected to port 4, ensure that the Uplink/Normal s...
Page 17 - Ethernet Hub 8 and 8C—Front; Power LED; Activity LED; Collision LED; Port Status LEDs
17 T HE O FFICE C ONNECT E THERNET H UB 8 AND 8C Ethernet Hub 8 and 8C—Front Alert 1 2 3 4 5 6 7 8 1% 2% 3% 6% 12% 25% 50% 80% OfficeConnect Ethernet Hub 8C Port Status Network Utilization COAX Green = OK, Yellow = Partitioned Power Collision Activity Alert LED orange Alerts you to excessivenetwork ...
Page 18 - Ethernet Hub 8 and 8C—Rear
18 Ethernet Hub 8 and 8C—Rear Power Adapter socket Only use the power adapter that issupplied with this OfficeConnecthub. Do not use any other adapter. 10BASE-2 port (Hub 8C only) Can be used to connect your hub to other OfficeConnect hubsand equipment with 10BASE-2 cabling.If used, it is effectivel...
Page 20 - Figure 7
20 Connecting Hubs Using 10BASE-2 Connect a 10BASE-2 ‘Y’ piece to each of your hubs (Hub 8C only). Connect the ‘Y’ pieces with 10BASE-2 cable to form a single segment, as shown in Figure 7. Remember to terminate the two free ends of the segment by fitting terminators (end pieces). To disconnect a 10...
Page 21 - Figure 8
21 Connecting Hubs Using 10BASE-T You can connect hubs together with 10BASE-T in a number of ways, but for simplicity we recommend the following method, as shown in Figure 8: 1 Starting from the bottom, connect the port 8 of the lower hub to port 7 of the hub immediately above. Repeat this for each ...
Page 23 - Figure 9
23 Port Status LED not lit for a 10BASE-T port that has a connection. There is a problem with this connection. Check that you are using a straight-through 10BASE-T cable which is properly connected at both ends, and is not damaged. If the cable is connected to port 8, ensure that the Uplink/Normal s...
Page 25 - Dimensions and Operating Conditions; Category 5 screened cables must be used to ensure; OfficeConnect Ethernet Hub 4
25 D IMENSIONS AND S TANDARDS Dimensions and Operating Conditions Standards Functional: ISO 8802/3IEEE 802.3 Safety: UL 1950, EN 60950CSA 22.2 #950IEC 950 EMC: EN 55022 Class B † EN 50082-1FCC Part 15 Class B † * ICES-003 Class BVCCI Class B † CNS 13438 Class A Environmental: EN 60068 (IEC 68) † Cat...
Page 26 - Reducing the waste generated by all operations.; End Of Life Statement
26 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 27 - Warnings contain directions that you
27 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 28 - Warnhinweise enthalten
28 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 29 - Les avertissements présentent des
29 C ONSIGNES 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 av...
Page 30 - Online Technical Services; World W ide Web site.; World Wide Web Site
30 T ECHNICAL S UPPORT 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 C...
Page 31 - Support from Your Network Supplier; Support from 3Com; Diagnostic error messages.
31 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 32 - From the following countries, you may use the toll-free numbers:
32 Here is a list of worldwide technical telephone support numbers: Country Telephone Number Country Telephone Number Asia, Pacific Rim AustraliaHong KongIndiaIndonesiaJapanMalaysiaNew ZealandPakistanPhilippines 1 800 678 515800 933 486+61 2 9937 5085001 800 61 0090031 61 64391800 801 7770800 446 39...
Page 34 - Returning Products for Repair; To obtain an authorization number, call or fax:; Latin America
34 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 35 - Com Corporation Limited Warranty
35 3Com Corporation Limited Warranty 3Com OfficeConnect Ethernet Hub 4, 4C, 8, 8C The duration of the warranty for the OfficeConnect Ethernet Hub 4, 4C, 8, 8C (3C16704A, 3C16703A, 3C16700A, 3C16701A) is lifetime, including the power adapter. Advance hardware exchange is available during the first ye...
Page 38 - FCC S; CSA S
38 E LECTROMAGNETIC C OMPATIBILITY 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 li...
Page 39 - Wall mounting screw hole guide
39 Wall mounting screw hole guide 150 mm (5.9 in) 3C16700.book Page 39 Tuesday, July 13, 1999 9:59 AM
