Manuale d’uso / di manutenzione del prodotto SuperStack 3 4900 SX del fabbricante 3Com
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http://www.3com.com/ Par t No. DU A177 0 -2AAA 02 Publ ished Ma rch 2001 Sup erStac k ® 3 Swit ch 490 0 SX Ge tting Starte d Guid e 3C17702 1 77 02u a.
3C om Cor poratio n 54 00 Bayfr ont Plaza Sa nta Clara, Calif or nia 95 052-8145 Copy r i ght © 200 1, 3Com T echnolog ies. All right s r eserv ed. No part of this doc umentation may be reproduced in.
C ONTEN TS A BOU T T HIS G UIDE Conventions 8 Related Doc umentation 9 Accessing Online Documentation 9 Product Registration 10 Documenta tion C o mments 10 1 I NTR ODUC ING THE S WITCH 4 900 SX About.
Solving Problems Indicated by LEDs 2 2 Solving Hardware Problems 22 Managing the Sw itc h 23 3 S ETTING U P FO R M A NAGEMEN T Methods of Ma naging a Switc h 26 Setting Up Web Interface Manage ment 27.
3Com Knowl e d gebase Web Services 47 3Com F TP S ite 48 Support from Y our Ne twork Supplier 48 Support from 3Com 48 Return ing Pr oducts for Repair 50 I NDEX R EGULATO RY N OTI CE S 1 77 02u a.
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A BOUT T HI S G UI DE This g u i de pro vides all th e inf o r mation you need to i nstall and u se a Supe rStack ® 3 Swi tch 4900 SX (3C1 770 2) in its def ault sta te.
8 A BO UT T HIS G UI D E Con ventions Ta b l e 1 and Ta b l e 2 list conven tions th at ar e used th ro ughout th is guide. Ta b l e 1 Notice Icons Ic on Notice Type Descri ption In fo rmat ion no te .
Relat ed Docu m e ntati on 9 Related Do cumen tati on In addi tion t o thi s guid e, ea ch Sw itch 4900 S X do cum entati on set in cl ud es th e fol l ow in g : ■ Implementat ion Guide This guid e con tains inf orma tion on the feature s suppor ted by you r Switch a nd how they can b e use d to opti mize y our ne twor k.
10 A BO UT T HIS G UI D E I f t he on l i ne do cum en ta t io n is t o b e a cc es s ed fr om a l oc al dr iv e o r s er ve r , yo u will n eed to a cce ss th e CD -ROM con tent s via the root d ir e ctor y an d copy the fil es fro m the CD- ROM to a suit able dir ecto ry .
1 I NTR ODUC ING THE S WI TCH 4900 SX This c hapte r cont ains in troductor y inf orma tion a b out th e Switc h 49 00 S X and ho w it can b e u sed in y our n etwor k.
12 C HAPTER 1: I NTRODUCING THE S WITCH 4900 SX Ab out the Su per S tac k 3 S witc h 4 900 SX The Supe rStack ® 3 S witch 4900 S X co nnec ts your exist ing 1 000 Mbps devic es an d hig h-perfor manc e wor kgroups w ith a 1000BA SE- SX backb one or ser ver conne ction.
Switc h 4 900 SX — Fr ont View Det ail 13 Sum mary of Softw are Features Ta b l e 4 summariz es the so ftwar e fea tur es that ar e supported in the Sw i t ch 49 00 SX .
14 C HAPTER 1: I NTRODUCING THE S WITCH 4900 SX LE Ds Ta b l e 5 lists LEDs vi sible on th e f r ont of t he Sw it ch, a nd how to read t heir status a ccording to co lor . For i nfor matio n on using the LE Ds for problem solvin g , see “ Sol vin g Problems I ndi cated by LE Ds ” on page 22 .
S witch 490 0 S X — R ear Vi ew Detai l 15 S witc h 4 900 SX — Re ar V ie w D e tail Figure 2 Switch 4900 SX — r ear view Unit In fo rmat ion Label This la bel shows the following: ■ The 3C om.
16 C HAPTER 1: I NTRODUCING THE S WITCH 4900 SX Expans i on Modul e Slot Y ou c an us e this sl ot to install an Expansion Mo dule. C ontact yo ur sup pli er for further information. WARN ING : When an Expansio n Module is not install ed, ensure t he blankin g plate is fitt ed by tigh tening al l screws wit h a suita ble tool .
2 I NSTALLI NG TH E S WITC H This chap ter co ntain s the inform ation y ou need t o insta ll an d set up t he Sw i t ch 49 00 SX . It cov ers t he f ollow ing topics : ■ Packag e Co nt ents ■ Cho.
18 C HAPTER 2: I NSTALLING THE S WITCH Packag e Conte nts ■ Sw i t ch 49 00 SX (3C 17702) ■ CD-ROM ■ Ma nageme nt Q uick R eference G uide ■ Gett ing Start ed Guide (th is guide) ■ I m plem .
Rack-moun ting 19 ■ The un it is installe d in a c lean , air c onditi oned environm ent . ■ No m ore tha n four S witc h uni ts are placed on top of one anothe r , if the un its ar e free-s tandin g.
20 C HAPTER 2: I NSTALLING THE S WITCH Y ou must use the sc rews su ppli ed with the mo unti ng brac kets. Da ma ge caused to the uni t by using incorrec t screws inval idates y our w arrant y . 3 I nsert the t hre e scre ws and tig hten with a suitable s cr ewdri ver .
T he Power-up S equence 21 Chec king for Corr e ct Operat ion o f LEDs During the Power On Self T est, all po rts on th e Switch ar e disab led and the LEDs l ight i n a ra pid seq uence . When the POST h as completed, ch eck the Power/ Self T est LED to make sur e that y our Swi tch is operat ing corre ct ly .
22 C HAPTER 2: I NSTALLING THE S WITCH So lving Problems Indicated by LEDs If t he LEDs on the Swit ch indica te a pr oble m, r ef er to Ta b l e 8 bel ow , which con tains a lis t of proble ms a nd sugge sted solut ions.
Managi ng the Swit ch 23 Ta b l e 9 Probl ems wit h har dware * To Po we r Cy cle th e un it: Rem ov e an d reco nn e ct t he A C mai ns s u pply . If t he unit ha s n o A C mains supply, r emove and re connect th e DC R PS supply. Fo r T ec hnical Sup port informa tion, see A ppen dix D .
24 C HAPTER 2: I NSTALLING THE S WITCH F or in fo rm ati on ab ou t s ol v in g pr oble ms whe n mana gi ng t he Swi t ch , r ef er to th e Pr ob le m So lv in g s e ct io n in t he “ Su per Sta ck 3 Sw it ch Man ag em ent I nterface R eferen ce Guide ” on th e CD-ROM th at acco mpanies the Swi tc h.
3 S E TTI NG U P FOR M ANAG EMENT This c hapter ex plains the vario us ways of man aging a Swit ch, and det ails the steps requi red before you c an configure a S wi tch t o suit the nee ds of yo ur ne tw o rk.
26 C HAPTER 3: S ETTING U P FOR M ANAGEMENT Met hods o f Ma naging a Sw itch Y ou c an ma nage a Sw itch using on e of th e follow ing method s: ■ Web inte rface mana gem ent — Each Swit ch has an i nternal s et of web pages t hat allow you to man age th e Sw itch usi ng a W eb browser .
Setti ng Up Web Inter face Managem ent 27 Setting U p Web Int e rfac e Ma na ge me nt Y o u can ac cess the web inter face u sing: ■ A m anage ment w orkst ation con necte d to the consol e p ort of a Swi tch, run n i ng the Ser ial Lin e Internet Pr otoc ol (SLIP) .
28 C HAPTER 3: S ETTING U P FOR M ANAGEMENT Setting U p Ove r the Ne twor k T o manage a Swit ch using the web inter face over an IP n etwor k: 1 Set up th e Switch wit h IP infor mation. T o do this: a Access t he web inter face o f the Switch th ro ugh the con sole port .
Se tting Up Command L ine I nter face Manageme nt 29 T o conn ect the ca ble: a At ta ch th e fem a le c o nn e ct or on t he c ab le to th e ma le co n ne cto r on the c onsole po rt of t he Switch. b T ig ht en t he reta i nin g scre w s on th e ca bl e to pre ven t i t from be i ng l o os ened.
30 C HAPTER 3: S ETTING U P FOR M ANAGEMENT 4 Open the T elnet sessio n by sp ecifyin g the IP addre ss of the Swit ch. Check the docum entat i o n su pplied w ith t he T elne t facil i ty if y ou are un sure how to do th is.
Managi ng a Switc h Over t he Network 31 The IP address can be sp l it into two parts: ■ The fi rst pa rt ( ‘ 1 92. 168 ’ in th e example ) identi fie s t he network on whi ch th e de vice res ides . ■ The sec ond part ( ‘ 100.8 ’ in the ex ample) iden tifies the dev ice with in th e n etw o rk .
32 C HAPTER 3: S ETTING U P FOR M ANAGEMENT A su bnet ma sk is u sed t o div ide th e device pa rt of t he IP a ddress in to two fu rt her p art s: ■ The fi rst par t identif ies t he subnet n um ber . ■ The sec ond part id enti fies the dev ice on th at sub n et .
Logg ing in as a Defaul t User 33 Logging in as a Def ault Us er I f you manage a Switc h usi n g th e web interf ace or t he command li n e i nterface, y ou need to l og in with a val id user name an d passwor d. The Switch has th r ee de fault user names, and e ach us e r nam e h as a different password and le vel of a ccess.
34 C HAPTER 3: S ETTING U P FOR M ANAGEMENT 1 77 02u a. bk Page 3 4 Fr id ay, Apr il 6 , 20 01 3 : 31 PM.
A S AFETY I N FORM ATION Y ou m ust re ad the following sa fety infor mat ion b efore carr ying out any install ation or r em ov al of comp one nts, or any m ain tenan ce procedures on the Swit ch 4900 SX. WARN ING : Warn i n gs co ntain direction s th at you m ust follo w for y our person al safety .
36 A PPENDIX A: S AFETY I NFORM ATION Im po rta nt S afe ty I nfo rm at io n WARN ING : Insta llatio n and remova l of t he un it m ust be c arried out by quali fied p erson nel only .
Imp or ta nt S afe t y In form at ion 37 WARN ING : This unit operates under SEL V (Safet y Extr a Low V olt age) co ndition s accor ding to I EC 95 0. The con ditions are on ly mai ntai ned if the equipm ent to which it is connec ted also opera tes u nder SEL V co ndition s.
38 A PPENDIX A: S AFETY I NFORM ATION L ’ inform atio n de S é curit é Important e A V ERTISSE MEN T : L 'in stallat ion et la d é pose de ce group e doive n t ê tr e co nfi é s à un pe rsonn el q ualifi é .
L ’ inf orm ati on d e S é cur it é Im por tan te 39 hors c ircuit qu 'en d é bran chant so n cordon é lec triq ue au niveau de ce tte prise. A V ERTISSE MEN T : L ’ a ppar eil fonc tionne à un e t e nsi on ex tr ê me me n t basse d e s é cur it é qui est conf orme à la nor me CEI 950.
40 A PPENDIX A: S AFETY I NFORM ATION Wi c ht i ge S i che r he i ts in f or mat i on en WARN HIN WEIS : Die I n stalla tion und der A usbau des Ge r ä ts darf nur durch Fac hper sonal erfol gen .
Wi chti ge Sicher heit sinfo rmat ionen 41 WARN HIN WEIS : Bevo r Sie den Schalt er 49 00 SX a n da s Strom versorg ungsmod ul T yp 3 a nschlie ß en, lesen Sie b itte d ie Si cherhei tshinweis e in der B ed i enungsa n l eitung f ü r d a s Strom versorg ungsmod ul T yp 3.
42 A PPENDIX A: S AFETY I NFORM ATION 1 77 02u a. bk Page 4 2 Fr id ay, Apr il 6 , 20 01 3 : 31 PM.
B P IN - OU TS Nu ll Modem Cable 9-pin t o RS-23 2 25 -pin P C-A T Se rial Cabl e 9-pin t o 9 -pin 1 77 02u a. bk Page 4 3 Fr id ay, Apr il 6 , 20 01 3 : 31 PM.
44 A PPENDIX B: P IN - OU TS Mode m Ca ble 9-pi n to R S-232 25 -p in 1 77 02u a. bk Page 4 4 Fr id ay, Apr il 6 , 20 01 3 : 31 PM.
C T ECHNI CAL S P ECIFICATIONS Physic al Dimensio ns Height : 65.8 mm (2.59 in.) x Width: 440 mm (17.3 in.) x Depth: 368.4 mm (14.5 in .). Weight: 6.6 Kg (14.
46 A PPENDIX C: T ECHNICAL S PECIFICATIONS 1 77 02u a. bk Page 4 6 Fr id ay, Apr il 6 , 20 01 3 : 31 PM.
D T ECHNI CAL S UP PORT 3Co m p r ovi des ea sy ac cess to t echn ica l supp ort inf ormat ion t hrough a vari ety of servic es. This ap pendi x describ es thes e servic es. Inf ormation co ntained in this ap pendix is co rre ct at ti me of publ icatio n.
48 A PPENDIX D: T ECHNICAL S UPPORT 3Co m F TP S i te Do wnload drivers, patches , software, and MIB s acr oss the Inter net fro m th e 3Co m public F TP site. This service is availa ble 24 hours a day , 7 days a week. T o connec t to t he 3Com F TP site, en ter th e foll owing inform ati o n into yo ur F T P client: ■ Hostname: ft p.
Suppo rt from 3Com 49 ■ A l is t o f sy s tem h ard wa re a nd s oft wa re , in clu d in g re vis io n le v els ■ Diagno stic er r or me ssages ■ Detai ls abou t recen t conf igura tion ch ange s, if a pplicab le Here is a list of world wide tec hnica l telep hon e supp ort nu mbers.
50 A PPENDIX D: T ECHNICAL S UPPORT Retu rning P roducts fo r Rep ai r Bef ore you se nd a product directly to 3Co m for repair , y ou must firs t obta in an au tho rization n um ber . Pr o ducts sen t to 3 Com wi thout aut horization num ber s will be return ed t o the send e r unope ne d, at th e sender ’ s ex pense.
I NDEX Numbers 3C n umber 1 5 3Co m K nowledgeb ase W eb S ervic es 47 3Com UR L 47 A a ccess l eve ls of defaul t user s 33 a ddres ses IP 30 B br owser s choos ing 27 C ca ble pin- outs 43 CD-ROM 9 .
52 I NDEX P pa sswor ds of def ault u sers 33 pin as signm ents mode m c able 44 null modem ca ble 43 ser ia l c abl e 4 3 pin- outs 43 po rts co nsole 15 powe r socke t 15 powe ring- up a Swit ch 4900 SX 20 pro duct name 15 R rack mounti ng a Sw itch 4900 SX 19 Re dundant Po wer S ystem.
R EGULATORY N OT ICES FCC S TA TEM ENT T h is equipme nt has be en test ed and fou nd to compl y with t he limits f or a Cla ss A digita l device , pursuant to part 15 o f the FCC rules.
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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 SuperStack 3 4900 SX 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 SuperStack 3 4900 SX - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso 3Com SuperStack 3 4900 SX imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul 3Com SuperStack 3 4900 SX ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il 3Com SuperStack 3 4900 SX, 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 SuperStack 3 4900 SX.
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 SuperStack 3 4900 SX. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo 3Com SuperStack 3 4900 SX 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.
