3Com Hub manuale d’uso

Of ficeConnect ® Dual Speed Hub 8 User Guide (3C16750A) 3C 1675 0 _b oo kle t. bo ok Pa ge i Tue s day , J uly 1 3, 19 99 11 : 18 A M[...]

3Com Corporati on ■ 5 400 Bayfront Pl aza ■ Santa Clara , California ■ 95052-8145 Copyri ght © 1 999, 3Com T ec hnolog i es. All righ ts reserve d. No part of this doc umenta tion ma y be reproduced in any form or by any me ans or used to make any derivati ve work (such a s transl ation, tran sfor mation, or adapta tion) without written perm[...]

3 Intr oducti on 5 Crea ting your Network 6 Dual Speed Hu b 8—F ront 6 Dual Spee d Hub 8—Re ar 7 Be fo re Y ou St ar t 8 Wor kstati on Connections 8 T wi s t ed Pa i r (TP ) C a bl es 8 Hub Connect ions 8 Stack ing t he Uni ts T ogether 9 The Ru bber F eet 9 The Stac king Clip 9 Posi tioning Y ou r Hub 10 Secur ing Y our Hub 10 Connect ing Work[...]

4 3C1 6750_ bo ok let .boo k Pag e 4 Tue s day , Jul y 13, 19 99 11: 18 AM[...]

5 I NTRODUCTI O N Welcome to the world of networking with 3Com ® . In the modern business env ir onment, communicati on and sharing information i s crucia l. Computer networks have pr oved to be one of the fastes t modes of communication but , until re ce ntly , only larg e businesses coul d af f or d the net w orking advantage. T he O f ficeConne[...]

6 C RE A T I N G YOUR N ETWO RK Dual Speed Hub 8— Front OfficeConnect Dual Speed Hub 8 Netwo rk Utilization Alert Power 1 2 3 4 5 6 7 8 Port Status Green = OK Flash = Partitioned 1% 2% 3% 6% 12% 25% 50% 80% 100M 10M 100M 10M 100M 10M Collision Alert LED orange Off w hen the Hub is operating correctly . Lit for a sh ort period of time after p ower[...]

7 Dual Speed Hub 8—R ear Power Adapter socket Only use the power adapter that is supp lied with this OfficeConnect Dual Speed Hub 8. Do not use any other adapter . Eight 10/100BASE-TX ports Use suitable TP cable wit h RJ-45 connectors. Y ou can connect the Hub to any workstation or other equipment that has a 10BASE-T or 100BASE-TX port. Each port[...]

8 Before Y o u Start Y our OfficeConnec t hub comes with: ■ One power adapter for use wit h the Off iceConnect hub. ■ A Pr oduct Registr ation car d for you t o fill out and r etur n. ■ Four rubber feet. ■ A st acki ng cl ip. ■ T wo unit labels and eight ca ble ties. ■ An Of ficeConnect N etwork Assistant CD-ROM. The extr a part s ment [...]

9 St ackin g the Unit s T oge ther The Ru bber F eet The four self-adhesi ve r ubber feet preve nt y our hub f r om moving ar ound on your desk. On ly stic k the fe et to the marke d areas at each cor ner of the underside of your hub if you intend t o place t he unit dir ectly on t op of the desk. D o not fix the feet if you ar e going to us e the [...]

10 Po si ti on in g Y o ur H ub When install ing your Of ficeConnect hub, ens ure: ■ It i s out of dir ect sunlight and away fr om sourc es of heat. ■ Cabling is aw ay f rom power l ines, fluor es cent li ghting fixtur es, and s our ces of electric al noise suc h as radi os , trans mitt er s and br oadband am plifiers. ■ W ater or moisture ca[...]

11 Conne cting Work stations and Othe r Equip ment to Y o ur H ub WAR NING: Please read the ‘Import ant Safe ty Information’ s ection befor e you start . WARNHINWEIS: Bitte les en Sie den Absc hnitt ‘Wichtige Sicherhe itsinformatione n’ sorgfältig dur ch, bevor Sie das Gerät einschal ten. A V ERTISSEMENT : V euille z lire att entivement l[...]

12 3Com r ecommends tha t the c able (B) between t he Fa s t Ethernet hubs is no longer than 5m (16.4ft). This allows the maximum hub- to-workstat ion cable lengt h (A or C) of 100m (328ft) t o be used, as s hown in F igure 3. Fig ure 3 Conf igurat ion Rule s and Exam ple of a Fa st Ethernet (1 00Mbps) Netw ork Ether n et ( 10M bps ) Co nfi gur ati[...]

13 Ma kin g the Conn ecti on to A n othe r Hu b Y ou c an connec t a 10BASE-T , 100BASE- TX, or another 10/100BASE-TX O fficeConnect hub to any port on the Dual Speed H ub 8. Use the following method: 1 Using a s traight-thr ough cable, c onnect t he Uplink/Nor mal port of the D ual Spe ed Hub 8 to any of the ports on the othe r hub (as shown in Fi[...]

14 P RO B L E M S OLVIN G The Off iceConnect Hub has been des igned to aid you when detect ing and solving possible pr oblems with your network. These proble ms are rarely serious ; the cause i s usually a disconne c ted or da maged cable, or incorr ect configuration. If this section does not solve your pr oblem, contac t your supplier f or informa[...]

15 Port Status LED flashing. The port is par titioned, pr obably due to a network loop. Ex amine your c onnec ti ons and re move t he loop. E ach piece of equipment needs only one connection to y our Hub. Link between t he Hub an d anot her OfficeConnect hub not working . Check y our connections; f ollow the information gi ven in the “C onnecting[...]

16 N ETWORKI NG T ERM INOLO GY A Netw ork is a collec tion of workst ations (for ex ample, IBM-compat ible PCs) and other equipment (for example, printers ), connected for th e purpose of exchanging information or sharing r esources. Networks var y i n size, some ar e wit hin a si ngle room, other s span c ont in ents. A Local Ar ea Net work ( LAN)[...]

17 D IMEN SIONS AND S TAND ARDS Dim ensions a nd Op erating Cond itions Stan da rds Functiona l: ISO 8802/3 I EEE 802.3 Safet y : UL 1950, EN 60950 CSA 22.2 #950 IEC 950 EMC: EN 5502 2 C lass B † EN 5008 2- 1 FCC Part 15 Cl ass B † * I C ES-003 C lass B † VCCI Class B † CNS 13438 Clas s A Envir onmental: EN 6006 8 (IEC 68) † Categor y 5 s[...]

18 E NVIR ONME NTAL S TATEM ENT S It i s the policy of 3C om Corporation t o be environ mentally- f riendly in all operat ions. T o uphold our poli c y , w e ar e committed t o: ■ Establis hing envir onmental per formance standa rds t hat comply wi th national leg islation and regul ations. ■ Conserving e nergy , mater ials and nat ural re sour[...]

19 I MPO RTANT S AF ETY I NF ORM ATIO N WARNIN G: Warnings contain directions that you must fo llow for your pers onal safety . Follow all dire ctions ca reful ly . Y ou m ust re ad the fo llowi ng sa fety infor mation carefully before you ins t all or remove the unit : ■ Except ional car e must be taken during ins tallat ion and re mova l of the[...]

20 W ICHT IGE S ICHER HE ITSHI NWEI SE WARNHINWEIS: Warnhinweis e enthalte n Anweisungen, die Sie z u Ihrer ei genen Sicherhe it befolge n müssen. Alle Anweisungen sind sorgfäl tig zu befolge n. Sie müs sen die fol genden Sicherhei ts informat ionen sorg f ältig durch lesen, bevor Sie das Ger äts installi eren od e r au s b a uen : ■ Bei der[...]

21 C ONSI GN ES IM PO RT ANTES DE SÉ CU RI TÉ A V ERTISSEMENT : Les av ertisseme nt s pr ésentent de s consignes que vous devez r es pecter pour garantir votre séc urité pers onnelle. V ous devez resp ecter attentiv ement toutes les consi gnes. Nous vous demandons de lir e attenti vement les consignes s uivantes de sécur ité avant d’insta [...]

22 T ECHNI CAL S UPP ORT 3Com pr ovides easy a ccess to t echnical support inf ormation through a variet y of services. This section describes these serv ices. Information contained in t his sec t ion is correct at time of publicat ion. For the mos t rece nt inf ormation, 3Com r ecommends t hat you access the 3Com C orporation World Wide Web sit e.[...]

23 Suppo rt from Y our Net work S upp lier If you r equire additi onal assis t ance, contact your network supplier . Many suppl iers ar e authoriz ed 3Com servic e partner s who are qualifie d to provide a variet y of se r vices, including ne t wor k planning, installa tion, har dware mainte nance, application t raining, and support servic es. When[...]

24 Here is a list of worldwide techni cal telephone support num- bers: Count ry T eleph one Num ber Coun try T ele phone N umber Asia, Pacif ic Rim Australia Hong Kong India Indo nesia Japan Malaysia New Ze alan d Paki stan Philippines 1 800 678 515 800 93 3 4 86 +61 2 9937 5085 001 80 0 6 1 009 0031 6 1 6 439 1800 8 01 777 0800 4 46 398 +61 2 9937[...]

25 Lat i n Am e ric a Ar gentin a Bra zi l Chile Col om b ia A T&T + 800 66 6 5065 0800 1 3 3 266 1230 0 20 0645 98012 212 7 Mex ico Per u Pu er to Ri c o Ve n e z u e l a 01 800 CARE ( 01 800 2273) A T &T + 800 666 5065 800 666 5065 A T &T + 800 666 5065 Nor th Am er ic a 1 800 876 -3266 Cou ntry T ele phone Number C ount ry T el epho [...]

26 Retu rni ng Products for Repair Befor e you send a pr oduct directly t o 3Com for re pair , you must fi rst ob tain a Retur n M ateri al Auth orizati on (RM A) number . Products sent to 3Com wit hout authori z ation numbers wi ll be r eturned to the s ender unopened, a t the sender’ s ex pense. T o obtain an authorizat ion number , c all or fa[...]

27 3Com Corp orat ion L IM ITED W ARRANTY 3Com Of ficeConnect Dual Speed Hub 8 The d uration of th e warra nty for t he Offi ceC onnect Dua l Speed H ub 8 (3C1675 0A) i s lifeti me, incl uding t he pow er adap ter. Advance hard ware e xchan ge is avai labl e during t he f irst year from your da te of purcha se in accorda nce wi th 3Com ’s standa [...]

28 marke d on the outsi de of the pack age, a nd sent prep aid and pa ckage d appr opriately f or saf e ship ment, and it is recomm end ed that they be i nsure d or sent by a me thod t hat provi des f or tra cking of t he pack age. T he r epaire d or replace d item w ill b e ship ped to Cus tomer, a t 3Com 's ex pense, not later than thi rty ([...]

29 D ISCLA IM ER Some countr ies, s tates, or province s do not allo w the excl usion or limi tatio n of impli ed war ranties or the limi tation o f incid ental or c on sequenti al damag es fo r certa in prod ucts sup plied to co nsumers, o r the limi tation of liabi lity for per sonal injury , so t he above limi tations an d excl usions may b e li[...]

30 E LECTR OMAGNETIC C OMPA TIB IL ITY FCC S TATEMEN T This equip ment has be en t ested and f ound to com ply wit h the limi ts for a C lass B digita l device , pursu ant to P art 15 of the FCC Rul es, and the C anadian Departme nt of Communi cati ons Equi pment Standa rds en title d, “Digi tal Appara tus,” IC ES-003. T hese limits are desig n[...]

31 W all mounti ng screw hole guide 142m m (5.6in.) 3C1 6750_ bo ok let .boo k Pag e 31 Tu esda y, Jul y 13, 1 999 11: 1 8 AM[...]

Part No. DUA 16 75-0AA A03 Publ is hed Jun e 19 99 32 3C1 6750_ bo ok let .boo k Pag e 32 Tu esda y, Jul y 13, 1 999 11: 1 8 AM[...]