Table of Contents
Advertisement
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for 3Com 3C16751A
Summary of Contents for 3Com 3C16751A
- Page 1 ® OfficeConnect Dual Speed Hub 16 User Guide (3C16751A)
- Page 2 3Com Technologies. 3Com Technologies reserves the right to revise this documentation and to make changes in content from time to time without obligation on the part of 3Com Technologies to provide notification of such revision or change.
-
Page 3: Table Of Contents
Consignes importantes de sécurité 21 Technical Support 22 Online Technical Services 22 World Wide Web Site 22 3Com Knowledgebase Web Services 22 Support from Your Network Supplier 23 Support from 3Com 23 Returning Products for Repair 26 3Com Corporation Limited Warranty 27... -
Page 5: Introduction
NTRODUCTION Welcome to the world of networking with 3Com 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 ®... -
Page 6: Creating Your Network
REATING YOUR ETWORK Dual Speed Hub 16—Front Alert LED Power LED orange green Off when the Hub is operating Indicates that correctly. Lit for a short period of the power time after power on, for self test. supply to the If the LED is continuously lit, there Hub is may be a problem. -
Page 7: Dual Speed Hub 16-Rear
OfficeConnect Dual Speed Hub 16. Do not use any other adapter. Uplink/Normal Uplink/Normal switch Affects the operation of port 16. If you are connecting another hub to port 16, set to Uplink (in), otherwise set to Normal (out). -
Page 8: Before You Start
One 10BASE-T, 10/100BASE-TX, or 100BASE-TX adapter card for each workstation. 3Com produce a range of easy-to-install network adapters, which provide your workstation with a suitable connection. An operating system (for example, Netware or Windows 95/98) with network support configured, running on your workstations. -
Page 9: Stacking The Units Together
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 you are going to use the clip. -
Page 10: Positioning Your Hub
CAUTION: Only wall mount single units, do not wall mount stacked units. Also available from 3Com, is the OfficeConnect Mounting Unit (part number 3C16765). This allows you to firmly secure a stack of OfficeConnect devices to the desktop or... -
Page 11: Connecting Workstations And Other Equipment To Your Hub
The total length of cable (A + B + C) between two workstations, or between a workstation and a non-repeater piece of equipment (such as a switch), must not exceed 205m (672ft). Each cable (A, B, or C) must not exceed... -
Page 12: Ethernet (10Mbps) Configuration Rules
3Com recommends that the cable (B) between the Fast Ethernet hubs is no longer than 5m (16.4ft). This allows the maximum hub-to-workstation cable length (A or C) of 100m (328ft) to be used, as shown in Figure 3. Figure 3... -
Page 13: Making The Connection To Another Hub
(as shown in Figure 5). If using an Uplink/Normal port on the other hub, set its Uplink/Normal switch to Normal (out). Set the Uplink/Normal switch for the Uplink/Normal port on the Dual Speed Hub 16 to Uplink (in). Checking Hub Connections When you have connected all the appropriate workstations and other equipment to the Hub, power on the Hub. -
Page 14: Problem Solving
ROBLEM OLVING The OfficeConnect Hub 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. - Page 15 “Connecting Another OfficeConnect Hub” section on page 11. It is likely that an Uplink/Normal switch is incorrectly set. Port Status LED not lit for a port that has a connection. Check that you are using a ‘straight-through’...
-
Page 16: Networking Terminology
ETWORKING ERMINOLOGY 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 Local Area Network (LAN) is a network, usually in an office, that spans no more than a single site. -
Page 17: Dimensions And Standards
IMENSIONS AND TANDARDS Dimensions and Operating Conditions 33 VA 58 BThU/hr power requirement 0 to 40°C (32 to 105°F) operating temperature 0 to 90% (non-condensing) humidity 1kg (2.2 lb) Standards Functional: 228mm (9.12in.) Safety: 54mm (2.1in.) 185mm (7.3in.) EMC: Environmental: †... -
Page 18: Environmental Statements
NVIRONMENTAL 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 natural resources in all operations. -
Page 19: Important Safety Information
MPORTANT AFETY 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. -
Page 20: Wichtige Sicherheitshinweise
Es sind keine von dem Benutzer zu ersetzende oder zu wartende Teile in dem Gerät vorhanden. Wenn Sie ein Problem mit dem Switch haben, das nicht mittels der Fehleranalyse in dieser Anleitung behoben werden kann, setzen Sie sich mit Ihrem Lieferanten in Verbindung. -
Page 21: Consignes Importantes De Sécurité
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 avant d’installer ou de retirer l’appareil: Faites très attention lors de l'installation et de la dépose du groupe. -
Page 22: Technical Support
3Com Corporation World Wide Web site. Online Technical Services 3Com offers worldwide product support 24 hours a day, 7 days a week, through the following online systems: World Wide Web site. 3Com Knowledgebase Web Services. -
Page 23: Support From Your Network Supplier
If you are unable to contact your network supplier, see the following section on how to contact 3Com. Support from 3Com If you are unable to obtain assistance from the 3Com online technical resources or from your network supplier, 3Com offers technical telephone support services. To find out more... - Page 24 Here is a list of worldwide technical telephone support numbers: Country Telephone Number Asia, Pacific Rim Australia 1 800 678 515 Hong Kong 800 933 486 India +61 2 9937 5085 Indonesia 001 800 61 009 Japan 0031 61 6439 Malaysia 1800 801 777 New Zealand...
- Page 25 Country Telephone Number Latin America Argentina AT&T +800 666 5065 Brazil 0800 13 3266 Chile 1230 020 0645 Colombia 98012 2127 North America 1 800 876-3266 Country Telephone Number Mexico 01 800 CARE (01 800 Peru 2273) Puerto Rico AT&T +800 666 5065 Venezuela 800 666 5065 AT&T +800 666 5065...
-
Page 26: Returning Products For Repair
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. -
Page 27: 3Com Corporation Limited Warranty
January 1, 2000, and Customer notifies 3Com before the later of April 1, 2000, or ninety (90) days after purchase of the product from 3Com or its authorized reseller,... - Page 28 The repaired or replaced item will be shipped to Customer, at 3Com's expense, not later than thirty (30) days after 3Com receives the defective product.
- Page 29 This Limited Warranty shall be governed by the laws of the State of California, U.S.A. excluding its conflicts of laws principles and excluding the United Nations Convention on Contracts for the International Sale of Goods. 3Com Corporation 5400 Bayfront Plaza Santa Clara, CA 95054...
-
Page 30: Electromagnetic Compatibility
LECTROMAGNETIC 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,”... - Page 31 Wall mounting screw hole guide 142mm (5.6in.)
- Page 32 Part No. DUA 1675-1AAA02 Published June 1999...
Need help?
Do you have a question about the 3C16751A and is the answer not in the manual?
Questions and answers