English dropdown-ico

3Com 3C16702A manual

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22

Go to page of

Similar user manuals

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of 3Com 3C16702A, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.

What is an instruction?

The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of 3Com 3C16702A one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.

Unfortunately, only a few customers devote their time to read an instruction of 3Com 3C16702A. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.

What should a perfect user manual contain?

First and foremost, an user manual of 3Com 3C16702A should contain:
- informations concerning technical data of 3Com 3C16702A
- name of the manufacturer and a year of construction of the 3Com 3C16702A item
- rules of operation, control and maintenance of the 3Com 3C16702A item
- safety signs and mark certificates which confirm compatibility with appropriate standards

Why don't we read the manuals?

Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of 3Com 3C16702A alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of 3Com 3C16702A, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the 3Com service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of 3Com 3C16702A.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the 3Com 3C16702A item, and its use of respective accessory, as well as information concerning all the functions and facilities.

After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.

Table of contents for the manual

  • Page 1

    OfficeConnect ® Ethernet Hub 16C (3C16702A) User Guide[...]

  • Page 2

    3Com Corporati on ■ 5400 Bayfr ont Plaza ■ Santa Clara, California ■ 95052-8145 Copyrig ht © 2002, 3Com T echnologi es. All rights reserve d. No part of this doc umenta tion ma y be reproduced in any form or by any mean s or used to make any derivati ve work (such a s translation , transf ormati on, or adapta tion) without written permissi o[...]

  • Page 3

    3 Intr oducti on 5 Crea ting Y our Networ k 6 Ethernet Hub 16C—Front 6 Ethernet Hub 16C—Rear 7 Be fo re Y ou Sta rt 8 Pro duct Regist rati on 8 Wo rksta tion Conne ctions 8 Hub Connect ions 8 Stack in g the Units toget her 9 The Ru bber Feet 9 The Stac king Cli p 9 Posi tioni ng Y our Offi ceCo nnect Hub 10 Secur ing t he Off iceConne ct Hub 10[...]

  • Page 4

    4[...]

  • Page 5

    5 I NTRODUCTI ON Welcome to the worl d of networking with 3Com ® . In the modern business env ir onment, communica tion and shar ing information i s crucia l. Computer networks hav e pr oved to be one of the fast est modes of communicati on but, until r ecently , only lar ge businesse s could af for d the ne tworking advantage. T he O f ficeConnec[...]

  • Page 6

    6 C RE A T I N G Y OU R N ET WOR K Ether net Hub 16C—Front Alert LED orange Alerts you to excessive network use or an isolated (partitioned) 10BASE-T port. Power LED green Indicates that the power supply to the hub is present. Network Utilization LEDs green/yellow/orange Indicates how much your network is being used. Collision LED yellow Flashes [...]

  • Page 7

    7 Ether net Hub 16C—R ear[...]

  • Page 8

    8 Before Y ou Start Y our Offic eConnect hub comes with: ■ One power adapter for us e with t he Of ficeC onnect hub. ■ Four rubber feet. ■ A st acki ng clip. ■ One Support and Safety Information She e t ■ One W arrant y Fl yer The extr a par ts mentioned i n the next s ection ar e not supplied with the hub. Pr oduc t Reg is tr at io n Y o[...]

  • Page 9

    9 If you want t o connect additional hub s using 10BASE-T , you need: ■ One ‘Straight-through’ 10BASE-T cable for each additiona l hub. St acki ng the Un it s toget h er The Ru bber Feet The four self-adhesi ve rubber feet pr event your hub f r om moving ar ound on your desk. S tick the feet t o the marked ar eas at e ach cor ner of t he unde[...]

  • Page 10

    10 Positio ning Y ou r OfficeConn ect Hu b When install i ng your OfficeConnec t hub, ensur e: ■ It i s out of dir ect sunlight a nd away fr om sourc es of heat. ■ Cabling is away f r om power lines , fluor escent lighting fixtur es, and sour ces of electri cal noise s uch as rad ios, transmit ters and br oadband amplifiers . ■ W ater or mois[...]

  • Page 11

    11 Conne cting Workstat ions and Othe r Equip ment to Y our Hub WARNIN G: Pleas e read the ‘Impor tant S afet y Inform ati on’ sh eet before yo u start. WARNHINWEIS: Bitte lesen Sie den A bschnitt ‘Wichtige Sicherhei ts informatione n’ sorgfälti g durch, bevor Sie das Gerät einschal ten. A VERTISSEMENT : V euillez lire attentiv ement la s[...]

  • Page 12

    12 Connecting Hubs Us ing 10BASE-2 ( Coaxial ) When using 10BASE- 2 ( Co ax ial ) c able, it is important that bot h ends of the segment are properly termi nated w ith 50 Ohm term inat ors (end pie ces ). Only use 50 O hm 10BASE- 2 ( Coa xia l ) cables and us e a ‘Y’ piece f or each hub. Y ou can use ‘T’ pieces but ‘Y’ pieces prov ide o[...]

  • Page 13

    13 Conn ect in g Hu bs Us ing 1 0 BASE- T Y ou ca n connect hubs togeth er with 10BASE-T in a number of ways, but for si mplicity we r ec ommend the f ollowing method: 1 Starti ng fr om the b ottom, connect port 16 of t he lower hub to port 15 of t he hub immediately above. Repeat for each hub (a s shown in F igure 4). 2 Set a ll Uplink /Normal s w[...]

  • Page 14

    14 P RO B L E M S OLVI NG The Of fic eConnect h ub has be en desig ned to aid you when detect ing and solving possible proble ms with your network. These proble ms are rar ely se rious; the ca use is usually a disconnected or damaged c able, or inc orrec t configurat ion. If this section does not solve your pr oblem, contac t your supplier f or i n[...]

  • Page 15

    15 Refer to Figur e 5 below to compar e the wiri ng of a strai ght-thr ough and a cr ossover cable. Fig ure 5 St rai ght- thr ough Ca ble/Cr ossover Cable 1 Normal port Pin Pin Uplink port 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 Normal port Rx+ Rx- Tx+ Tx- Rx+ Rx- Tx+ Tx- 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8[...]

  • Page 16

    16 N ETWORKI NG T ERMINO LO GY A Netw ork is a collec tion of works tations (f or example, IBM-compat ible PCs) and other equipme nt (for example, printers ), connected for the purpose of exc hanging information or sharing resour ces. Networks vary in size, some ar e within a si ngle r oom, others span cont inents. A Local Ar ea Netw ork (L AN) is [...]

  • Page 17

    17 D IMEN SION S AND S TAND ARDS Dim ensions a nd Opera ting Conditions Standa r ds Functiona l: ISO 8802/3 I EEE 802.3 Safet y: UL 1950 EN 60950 CSA 22.2 #950 IEC 60950 EMC: EN 55022 Class B † EN 55024 FCC Part 15 Class B † * I CES-003 Cl ass B VCCI Class B † CNS 13438 Clas s A Envir onmental: EN 60068 (IEC 68) V arious parts †Categor y 3 [...]

  • Page 18

    18 E NVIRONMENT AL S TAT EMENT S It i s the polic y of 3Com Corpor ation to be envir onmentally-friendly in al l operation s. T o uphold our po l ic y , we ar e c om m it t ed t o: ■ Establis hing envir onmental perf ormance sta ndards that comply wit h nationa l legisl ation and regu lations. ■ Conserving e nergy , materials and natural res ou[...]

  • Page 19

    19 R EGULA TORY N OTICES FCC S TAT EMENT This equip ment ha s b een te sted an d found to c omply wit h the limits for a C lass B digita l device , pursu ant to Par t 15 o f the FCC Rules , and the C anadian Departme nt of Commun icati ons Equipme nt Sta ndard s entit led, “Digi tal Appara tus,” I CES-003. T hese lim its are de signed to provid[...]

  • Page 20

    20 W all mounting screw hole guide 142m m (5.6in .)[...]

  • Page 21

    [...]

  • Page 22

    Part No. DUA 16 70-2AA A04 Publ ished Apr il 20 02[...]