Manuale d’uso / di manutenzione del prodotto 3C16751A del fabbricante 3Com
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Of ficeConnect ® Dual Speed Hub 16 User Guide (3C16 7 51A) 3C 1675 1_b oo klet . book P age i T ues da y, J uly 1 3, 19 99 11 :29 AM.
3Com Corporati on ■ 5 400 Bayfront Pl aza ■ Santa Clara , California ■ 95052-8145 Copyri ght © 1 999, 3Com T ec hnolog i es. A ll righ ts reserve d.
3 Intr oducti on 5 Crea ting your Network 6 Dual Speed Hu b 16—F ront 6 Dual Speed Hu b 16—R ear 7 Be fore Y ou S tar t 8 Wor kstati on Connections 8 T w ist ed Pa ir ( TP) C a bl es 8 Hub Connect.
4 3C1 6751_ bo ok let .boo k Pa g e 4 Tues day , J ul y 13, 1999 11 :29 AM.
5 I NTRODUCTI ON 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 communica t i on but, until re ce ntly , only lar ge businesses could af ford the networking advantage.
6 C RE A T I N G YOUR N ETWO RK Dual Speed Hu b 16—Front OfficeConnect Dual Speed Hub 16 Netwo rk Utilization Alert Power 1 2 3 4 5 6 7 8 Port Status Green = 100M Y ell ow = 10M Flash = Partitioned 1% 2% 3% 6% 12% 25% 50% 80% 100M 10M 9 10 11 12 13 14 15 16 100M 10M Collision Alert LED orange Off w hen the Hu b is operating correctly .
7 Dual Speed Hub 16—R ear Power Adapter socket Only use the power adapter that is supp lied with this OfficeConnect Dual Speed Hub 16. Do not use any other adapter . Sixteen 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.
8 Before Y o u S tart Y our Offi c eConnec t hub c om es 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 e turn. ■ Four rubber feet. ■ A st ackin g clip. ■ T wo unit labels and e ight cable t ies.
9 St ackin g the Unit s T oge ther The Ru bber Feet The four self-adhesi ve r ubber feet pr ev e nt your hub f r om moving ar ound on your desk. Only s tic k the fe et to the marke d areas at each cor ne r of the underside of your hub if you intend t o place the unit dir ectly on t op of the desk.
10 Po si ti on in g Y o ur Hu b When install ing your Of ficeConnect hub, ens ure: ■ It i s out of dire ct sunlight a nd away fr om sourc es of heat. ■ Cabling is away from power lines , fluor escent li ght i ng fixtur es, and s our ces of e lec tr ical noise s uc h as radios, trans mitt e rs and bro adband amplifier s.
11 Conne cting Workstations and Other Equip ment t o Y o ur H ub WAR NING: Please r ead the ‘Impor tant Sa f e 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.
12 3Com r ecommends tha t t he cable (B) bet ween the Fast 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 shown in Figur e 3.
13 Ma king th e Co nnecti on to An oth er Hu b Y ou can connect a 10BASE-T , 100BA SE-TX, or another 10/100BASE-TX O fficeConnect hub to any port on the Dual Speed H ub 16.
14 P RO B L E M S OL VING The Off iceConnect Hub has been des igned to aid you when detect ing and solving possible proble ms with your network. These proble ms are rarely serious ; the cause is usually a disconne c ted or damaged cable , or incorr ect configurat ion.
15 Port Status LED flashing. The port is par titioned, pr obably due to a network loop. Ex amine your c onnections and re move the loop. Each piece of equi pment needs onl y one connection to y our Hub. Link between t he Hub an d another Of ficeConn ect hub not working .
16 N ETWORKI NG T ERM INOLO GY A Net work is a c ollection of wor kstations (f or example, IBM-compat ible PCs) and other equipment (for example, printers ), connected for t he purpose of ex c hanging information or sharing r esour c es. N etworks vary i n size, some ar e wit hin a si ngle room, other s span c ont i nents.
17 D IMEN SIONS AND S TAND AR DS Dim ensions a nd Op erating Condit ions Standa r ds Functiona l: ISO 8802/3 I EEE 802.3 Safet y : UL 1950, EN 60950 CSA 22.
18 E NVIR ONMENT AL S TATEM ENTS It i s the policy of 3C om Corporation t o be environ mentally- f rie ndly in al l operations. T o uphold our poli c y , we ar e committ ed to: ■ Establis hing envir onmental performance standa rds t hat comply wi th national leg islation and regul ations.
19 I MPO RTANT S AFETY I NFO RMAT IO N WARNIN G: Warnings contain directions that you must fo llow for your pers onal safety . Follow all dire ctions c are fully .
20 W ICHT IGE S ICHER HEIT SHINWEI SE WARNHINWEIS: Warnhinweis e enthal t e n Anweisungen, die Sie z u Ihrer ei genen Siche r heit befolge n müssen. Alle Anweisunge n sind sorgfäl tig zu befolge n.
21 C ONSI GNES I MPO RTANT ES DE SÉCU RI TÉ A V ER TISSEMEN T : Les aver tisseme nt s présentent des consignes que vous devez r es pe c ter pour garantir votre séc urité pers onnelle. V ous devez respec t e r attentiv ement toutes les consi gnes.
22 T ECHNI CAL S UPPORT 3Com pr ovides easy a ccess to technical support information through a variet y of servic es . This section descri bes thes e serv ices.
23 Suppo rt from Y our Ne twork Supplier If you r equir e additional as sistance, 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 service s, including ne t w ork planning, ins tallation, har dwar e mainte nance, applicat ion training, and support servic es.
24 Here is a l ist of worldwi de technical t elephone support numbers: 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 .
25 Lat in A me ric a Ar gentin a Bra zil Chile Col omb 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) .
26 Retu rning P r o ducts for Repair Befor e you send a pr oduct directly t o 3Com for re pair , you must fi rst obta in a Return Materi al Autho rization (R MA) 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.
27 3Co m Co rpor ati on L IMITE D W ARRANTY 3Com Of ficeConnect Dua l Speed Hub 16 The d uration of the wa rranty for t he Offi ceConnec t Dual Speed H ub 16 (3C1675 1A) is l ifetime, including t he power adapter.
28 marke d on the out side of the package , and sent prepaid and packa ged appr opriately for safe ship ment, and it i s recommended t hat they be insured or sent by a me thod that pr ovides f or trackin g of the p ackage.
29 D ISCLA IM ER Some countrie s, states, or province s do not allow the exclusion or limit ation of impli ed warrant ies or the limi tation of inc identa l or conseq uential da mages for certa in pro.
30 E LECTR OMAGNETIC C OMPA TI BI LI TY FCC S TATEMEN T This equipmen t has be en t ested and found to com ply with the limits for a Class B digita l device, pur suant t o Part 15 of the F CC Rules, and the C anadian Departme nt of Co mmunic ations Equi pment St andards entitle d, “Digital Appara tus,” ICES- 003.
31 W all mounti ng screw hole guide 142m m (5.6in.) 3C1 6751_ bo ok let .boo k Pa g e 31 Tu esda y, Jul y 13 , 1999 1 1:2 9 A M.
Part No. DUA 16 75-1AAA02 Publ is hed J une 19 99 32 3C1 6751_ bo ok let .boo k Pa g e 32 Tu esda y, Jul y 13 , 1999 1 1:2 9 A M.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il 3Com 3C16751A è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del 3Com 3C16751A - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso 3Com 3C16751A imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul 3Com 3C16751A ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il 3Com 3C16751A, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del 3Com 3C16751A.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il 3Com 3C16751A. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo 3Com 3C16751A insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
