3Com 3C16702A - Manual - manualsarea.com

Page 5 - NTRODUCTION; Welcome to the world of networking with 3Com; 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 networking ...

Page 6 - Ethernet Hub 16C—Front; Alert LED; Power LED; Network Utilization LEDs; Port Status LEDs

6 C REATING Y OUR N ETWORK Ethernet Hub 16C—Front Alert LED orange Alerts you toexcessive networkuse or an isolated(partitioned)10BASE-T port. Power LED green Indicates that thepower supply tothe hub is present. Network Utilization LEDs green/yellow/orange Indicates how much yournetwork is being use...

Page 7 - Ethernet Hub 16C—Rear

Page 8 - Before You Start; Your OfficeConnect hub comes with:; Product Registration

8 Before You Start Your OfficeConnect hub comes with: ■ One power adapter for use with the OfficeConnect hub. ■ Four rubber feet. ■ A stacking clip. ■ One Support and Safety Information Sheet ■ One Warranty Flyer The extra parts mentioned in the next section are not supplied with the hub. Product Re...

Page 9 - Stacking the Units together; The Rubber Feet; You can stack up to a maximum of four; Figure 2; Stacking Your Units Together

9 If you want to connect additional hubs using 10BASE-T, you need: ■ One ‘Straight-through’ 10BASE-T cable for each additional hub. Stacking the Units together The Rubber Feet The four self-adhesive rubber feet prevent your hub from moving around on your desk. Stick the feet to the marked areas at e...

Page 10 - Positioning Your OfficeConnect Hub; When installing your OfficeConnect hub, ensure:; Securing the OfficeConnect Hub; CAUTION

10 Positioning Your OfficeConnect 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...

Page 11 - Connecting OfficeConnect Hubs Together

11 Connecting Workstations and Other Equipment to Your Hub WARNING: Please read the ‘Important Safety Information’ sheet before you start. WARNHINWEIS: Bitte lesen Sie den Abschnitt ‘Wichtige Sicherheitsinformationen’ sorgfältig durch, bevor Sie das Gerät einschalten. AVERTISSEMENT: Veuillez lire at...

Page 12 - Figure 3

12 Connecting Hubs Using 10BASE-2 ( Coaxial ) When using 10BASE-2 ( Coaxial ) cable, it is important that both ends of the segment are properly terminated with 50 Ohm terminators (end pieces). Only use 50 Ohm 10BASE-2 ( Coaxial ) cables and use a ‘Y’ piece for each hub. You can use ‘T’ pieces but ‘Y...

Page 13 - At frequent intervals, visually check that:; Figure 4; Correct Hub Connections Using 10BASE-T

13 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: 1 Starting from the bottom, connect port 16 of the lower hub to port 15 of the hub immediately above. Repeat for each hub (as shown in Figure 4). 2...

Page 14 - Do not use any other power adapter; Link between two OfficeConnect hubs not working.; on; Alert LED continuously lit.

14 P ROBLEM S 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, co...

Page 15 - Figure 5

15 Refer to Figure 5 below to compare the wiring of a straight-through and a crossover cable. Figure 5 Straight-through Cable/Crossover Cable 1 Normal port Pin Pin Uplinkport Rx+ Rx- Tx+ Tx- Tx+ Tx- Rx+ Rx- 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 Normal port Pin Pin Normalport Rx+ Rx- Tx+ Tx- Rx+ Rx- Tx+ Tx...

Page 17 - Dimensions and Operating Conditions; for coaxial port

17 D IMENSIONS AND S TANDARDS Dimensions and Operating Conditions Standards Functional: ISO 8802/3IEEE 802.3 Safety: UL 1950EN 60950CSA 22.2 #950IEC 60950 EMC: EN 55022 Class B † EN 55024FCC Part 15 Class B † * ICES-003 Class BVCCI Class B † CNS 13438 Class A Environmental: EN 60068 (IEC 68) Various...

Page 18 - Reducing the waste generated by all operations.; End Of Life Statement

18 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 19 - FCC S; CSA S

19 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...

3Com 3C16702A - Manual

Table of Contents:

Summary

Other 3Com Models