Manuale d’uso / di manutenzione del prodotto 3C16703A del fabbricante 3Com
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Of ficeConnect ® Ethe r ne t Hu b 4, 4C, 8, 8 C User Guid e (3C1 670 4A, 3C 16 70 3A, 3C 16 700 A, 3C16 701 A) 3C 1670 0 .bo ok Pa ge i W edn e sd ay, Jul y 7, 1999 5 : 46 P M.
3Com Corporati on ■ 5 400 Bayfr ont Plaza ■ Santa Clara , Cal ifornia ■ 95052-8145 Copyri ght © 1 999, 3Com T ec hnolog i es. All righ ts reserv ed.
3 Intr odu ction 5 Crea ting your Networ k 6 What Els e Do I Need? 6 Wor kstati on Connections 6 T ran sceiv er Connect ions 6 Hub Connect i ons 7 10BASE- 2 7 10BASE- T 7 T w i st ed Pa ir (TP ) Ca bl.
4 Consign es i mpor tantes de séc urité 29 T e chnical Suppor t 30 Onli ne T echni cal Ser vices 30 Wo rld W ide We b Site 30 3Com Knowl edgebas e Web Service s 30 Suppor t fro m Y our Network Suppl.
5 I NTRODUCTI O N Welcome to the world of networking w ith 3Com ® . In the modern business env ir onment, com munication and shar ing information i s crucial. Comput er networks have pr ov ed t o be one of the fast est modes of communica tion but, until re cently , only lar ge busine sses could affor d the advantage of networking .
6 C RE A T I N G YOUR N ETWO RK What Els e Do I N eed? Y our OfficeConnec t hub comes w ith: ■ One power adapter for us e with the Of ficeConne ct hub. ■ A Pr oduc t Reg istration card f or you t o fill out and r eturn. ■ Four rubber feet. ■ A st acki ng cl ip.
7 Hu b Co nn ect ions Depending on what ports your hub has , you can use either 10BASE-T or 10B A SE-2 to connect your hubs togethe r: ■ With 10BASE-2 you ca n connect up to 30 hubs on a single s egment, leaving a ll of the 10BA SE-T port s fr ee. ■ With 10BASE-T you c a n connect up t o f our hubs in serie s.
8 St acki ng the Un its T oge ther The Rub ber Fe et The f our self-a dhesive r ubber feet pr event your hub f r om moving ar ound on your des k. Only stic k the f eet t o the marke d ar eas at eac h cor ner of the unde rside of y our hub if you int end to place the unit di rectly on t op of the de sk.
9 Po s i ti oni n g Y ou r H ub When installi ng y our Offi ceConnect hub, ens ure: ■ It is out of direct s unlight and away fr om source s of heat. ■ Cabling is away f rom power lines , fluor escent lig ht i ng fixtur es, and sour ces of el ectric al noise suc h as radios , transmit ters and br oadband ampl ifiers.
10 T HE O FF IC E C O NNECT E TH ERNE T H UB 4 AND 4C Et herne t Hub 4 an d 4C —F ro nt 12 3 4 Green=AUI off=COAX 1% 2% 3% 6% 12% 25% 50% 80% Port Status Netwo rk Utilizatio n Partitioned AUI/COAX A.
11 Ether ne t Hub 4 and 4C— Rear Power Adapter socket Only use the power adapter that i s supplied with this OfficeConnect hub. Do not use any other adapter . 10BASE-2 port (Hub 4C only) Can be used to connect your hub to other OfficeConnect hubs and equipment with 10BASE-2 cabli ng.
12 Conne cting Workstat ions a nd Othe r Equip ment t o Y o ur Hub WAR NING: Please r ead the ‘Import ant Sa fety Information’ sect ion before you start. WARNHINWEIS: Bitt e les en Sie de n Abschnitt ‘Wichtige Siche rheitsinforma tionen’ sor gfältig durch, bevor Sie das Gerät einschal t en.
13 Conn e ctin g Hu bs U si ng 10 BA SE- 2 Connect a 10BASE-2 ‘Y’ piece t o eac h of your hubs (Hub 4C only). Connec t the ‘Y’ pi ec es w ith 10BASE-2 cable to for m a singl e segment, a s shown in Figur e 4. Reme mber to term ina te the tw o free ends of the seg men t by fittin g terminators (end pi eces).
14 Conn e ctin g Hub s Us in g 10 BAS E-T Y ou can connect hubs together with 10BASE-T in a number of ways , but for s implicity w e r ecommend the foll ow ing method, as show n in Figure 5: 1 Start ing fr om the bottom, connect th e port 4 of t he lower hub t o port 3 of t he hub imme diately above.
15 P RO B L E M S OLV ING FOR TH E H UB 4 AND 4C The Of ficeConnect hub has been des igned to a id you when detecti ng and solv ing possible pr oblems with your network. These pr oblems ar e ra rel y serious , the cause is us ually a disconnect ed or damaged c able, or incorr ect configuration.
16 Port Status LED not lit for a 10BASE-T p ort that has a connection. There i s a pr oblem with t his conne ction. Check that you a re using a straight-thr ough 10BASE-T cable which is pr operly connected a t both ends , and i s not damaged. If the cable is connected to port 4, ensure that the Uplink/ Normal switch is set to Normal (out).
17 T HE O FF IC E C O NNECT E TH ERNE T H UB 8 AND 8C Ether ne t Hub 8 and 8C— Front Alert 12 3 45678 1 % 2 % 3 % 6 % 1 2 % 2 5 % 5 0 % 8 0 % OfficeConnect Ethernet Hub 8C Port Status Netw ork Utili.
18 Ether net Hub 8 and 8C—Rear Power Adapter socket Only use the power adapter that i s supplied with thi s OfficeConnect hub. Do not use any other adapter . 10BASE-2 port (Hub 8C only) Can be used to connect your hub to other OfficeConnect hubs and equipment with 10BASE-2 cabli ng.
19 Conne cting Work stations and Othe r Equip ment t o Y o ur Hub WAR NING: Please read t he ‘I mportant Sa f ety Information’ s ection bef ore you s tart. WARNHINWEIS: Bitte les en Sie de n Abschnitt ‘Wichtige Sicherhe itsinformationen’ s orgfältig durch, bevor Sie das Gerät einschal t en.
20 Conn e ctin g Hub s Us in g 10 BAS E-2 Connect a 10BASE-2 ‘Y’ pie ce to eac h of your hubs (Hub 8C only). Connect the ‘Y’ pi ec es wit h 10BASE-2 c able to for m a singl e segment, a s show n in Figure 7. Remember to term inat e the tw o free ends of the seg me nt by fittin g terminators (end pieces).
21 Conn e ctin g Hu bs U si ng 10 BA SE- T Y ou can connect hubs together with 10BASE-T in a number of ways , but for si mplicity w e r ecommend the foll owing method, a s shown in F igure 8: 1 Start ing fr om the bottom, connec t th e port 8 of t he lower hub t o port 7 of the hub immediately above.
22 P RO B L E M S OLVIN G FOR THE H UB 8 AND 8C The Of ficeConnect hub has be en designed t o aid you when detect ing and solving possible proble ms with your network. These proble ms are rare ly serious, the cause is usual ly a disconne cted or damaged c a ble, or incorr ect configuration.
23 Port Status LED not lit for a 10BASE-T port that has a connection. There i s a pr oblem wi th this connect ion. Check t hat you are us ing a strai ght -thr ough 10BA SE-T c a ble which is pr operly connect ed at b oth ends, and is not damaged.
24 N ETWORKI NG T ERM INOLO GY A Netw ork is a collec tion of works tations (for ex ample, IBM-compat ible per sonal computers ) and other equipme nt (for ex ample, pri nters), connec ted for t he purpose of exchangi ng informat ion. Networks vary i n size, some ar e withi n a single room, ot hers span continents.
25 D IMEN SION S AND S TAND ARDS Dim ensions a nd Op erating Cond itions Standa r ds Functiona l: ISO 8802/3 I EEE 802.3 Safet y: UL 1950, EN 60950 CSA 22.
26 E NVIR ONMENTA L S TATEM ENT S It i s the polic y of 3Com Cor poration to be environ mentally-friendly in all operations. T o uphold our poli cy , we ar e committed t o: ■ Establis hing envir onmental per formance standards that comply wi th nationa l legisl ation and regul ations.
27 I MPO RTANT S AF ETY I NFO RM AT IO N WARNIN G: Warnings contain directions that y ou must fo llow for your personal s afety . Follow all dire ctions ca reful ly .
28 W ICHT IGE S I C HERHE IT SHINWEI S E WARNHINWEIS: Warnhinweis e enthal ten Anweisungen, die Sie zu Ihr er ei genen Siche rheit befolge n müssen. All e A nweisungen sind sorgfäl tig zu befolge n.
29 C ONSI GN ES IM PO RTANT ES DE SÉ CU RITÉ A VERTISSEMENT : Les aver tis sements prés entent de s consignes que vous devez respecter pour ga r antir votre séc urité per sonnell e.
30 T ECHNIC AL S UPP OR T 3Com pr ov id es ea sy acc ess t o technica l support inf ormation through a variet y of servic es. This section descr ibes these serv ices.
31 Suppo rt from Y our Net work Supp lier If you r equire addit ional as sista nce, contact your network supplier . Many suppl iers ar e authorized 3C om servic e partner s who ar e qualif ied t o provide a variety of service s, including ne twork planni ng, installa t ion, har dwa r e mainte nance, applic ation train ing, and support ser vices.
32 Here is a l ist of worldwide t echnical t elephone s upport numbers: Count ry T el ephone Numbe r Coun try T ele phone Num ber Asia, Pacif ic Rim Australia Hong Kong India Indo nesi a Japan Malaysi.
33 Lat i n Am e ric a Ar genti na Bra zi l Chile Col om b ia A T&T +800 666 5 065 0800 1 3 3266 1230 0 20 064 5 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.
34 Retu rni ng Products for Repair Befor e you se nd a pr oduct dire c tly to 3Com for repair , you must fi rst ob tain a Retur n M ateri al Auth orizati on (RM A) number . Products sent to 3C om without a uthorization numbers wi ll be returne d to the s ender unopened, at th e sender’ s ex pense.
35 3Co m Co rp or ati on Li m ite d W arra n ty 3Com Offic eConnect E t hernet Hu b 4, 4C, 8, 8C The d uration of the w arra nty for the Offi ceConne ct Etherne t Hub 4, 4C , 8, 8C (3C1670 4A, 3 C16703A, 3C16 700A, 3C1 6701A ) is li fetime, i nclu ding th e power ada p ter .
36 pre-a uthorize d by 3C om with a Ret urn Mat erial Aut hori zation (RM A) numbe r marke d on the outsi de of the pack age, a nd sent prepai d 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.
37 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.
38 E LECTR OMAGNETIC C OM PA TIB IL ITY FCC S TATEM ENT 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.
39 W al l mounting screw hole guide 150 mm (5.9 in) 3C 1670 0 .bo ok Pa ge 39 W e dne sd ay , Jul y 7 , 19 99 5 :4 6 P M.
Part No. DUA 16 70-0AA A04 Publ ished June 19 99 40 3C 1670 0 .bo ok Pa ge 40 W e dne sd ay , Jul y 7 , 19 99 5 :4 6 P 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 3C16703A 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 3C16703A - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso 3Com 3C16703A imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul 3Com 3C16703A ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il 3Com 3C16703A, 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 3C16703A.
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 3C16703A. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo 3Com 3C16703A 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.
