Manuale d’uso / di manutenzione del prodotto 3C16950 del fabbricante 3Com
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® http://www.3com.com/ Super Stack ® II Swit ch 1100 User Guid e 3C16950, 3C1695 1 Part No. DUA1695 -0 AAA04 Publ ished Apr il 1999 169 50u a. bk Page 1 Thur s da y, Ap ril 29 , 19 99 1: 28 PM.
3Com Cor poratio n 5400 Bayfr ont Plaza Santa Cl ara, Calif or nia 95052- 8145 Copyri ght © 199 9, 3Com T echnol ogies . All r ight s reserved . No part o f this do cume ntation ma y be reproduced in.
C ONTENT S A BOUT T HIS G UIDE Conventions 8 Related Doc umentation 9 Y ear 2000 Compliance 10 Documentation Comm ents 10 1 I NTR ODUC ING THE S WIT CH 1100 About the SuperStack II Switch 1100 12 Summ.
iv Placing Units On T op of Each Other 25 St acking U nits 26 St acking T wo Units 26 St acking Up T o Four Un its 2 7 The Power -up Sequence 29 Connectin g a Re dundant Pow er System 29 Powering-up t.
v G LOSSARY I NDEX 3C OM C O RPORATION L IM IT ED W A RRA NTY EMC S TATEM ENTS 169 50ua. bk Page v Thurs da y, Ap ril 29 , 19 99 1: 28 PM.
vi 169 50ua. bk Page v i Th ur s day , Ap r i l 29, 19 99 1:28 P M.
A BOUT T HI S G UI DE This gui de pro vides all the inf ormation you need to install and use a Super Stack ® I I Swit ch 110 0 un it with def ault set tings. I f you want to chan ge t he way t he S wit ch w orks us ing m anage men t softwa r e, r efe r to the “Su perSt ack II Switc h Management G uide” (par t number DUA1695 -0 BAA0x ).
8 A BOU T T HIS G UI D E Conve ntions T able 1 an d T ab le 2 list co nven tions th at are used t hrougho ut th is guide . Ta b l e 1 Notice Icons Ic on Notice Type Descripti on In form at io n no te .
Relat ed Docu mentati on 9 Related Do cumen tati on In addi tion t o thi s guid e, ea ch Sw itch 1100 do cu ment set in cludes t he fo llow i ng : ■ Ma nagemen t G uide (Pa rt N umbe r DU A1695- 0BA A0x) This gu ide contai ns all the ma nagem ent inform ation for the Swi tch.
10 A BOU T T HIS G UI D E I n additi on, ther e ar e o ther publicat ions y ou may find use ful: ■ Documentati o n accompan ying the Ex pansion Modules . ■ Document ation ac companying th e T ransceiv er Module s. ■ Doc umen tation a ccom pany ing t he Ad vanc ed Redu nda nt Po wer System.
1 I NTR ODUCING THE S WITC H 1100 This c hapter c ontains int roducto ry info rmation abou t the Swit ch and how it ca n be u sed in y our ne tw ork. I t cover s the f ollow ing topi cs : ■ Abo ut t.
12 C HAPTER 1: I NTRODUCING THE S WITCH 1100 Ab out the Su per Sta ck II Sw itch 110 0 The Supe rStack ® II syste m solve s the problem o f growth i n dynami c netw ork en vironm ents an d provide s ever ythi ng you nee d for suc cessf ul wor kgroup ne tworki ng.
Switc h 1100 — Front View Detail 13 Sw itch 11 0 0 — Fr o nt Vie w Deta il Figure 1 Switch 1100 — Front view Port C onnec tions 10BA SE-T P orts The Swi tch has 12 or 24 10BASE- T ports co nfigur ed as MDIX (cr oss-o ver). The ma xim um se gmen t leng th is 100m (3 28ft) over Cate gory 3 , 4, or 5 twist ed pair cable .
14 C HAPTER 1: I NTRODUCING THE S WITCH 1100 LE Ds Ta b l e 3 lists the LEDs vi sible o n the fr ont of th e Switch, and their st ates acco r d ing to c olor . F or inf orma tion on using the LEDs for proble m solving, see “ Checki ng for C orr e ct Operat ion ” on pa ge 29.
Sw itch 1100 — Rear Vi ew Det ail 15 Swi tc h 11 00 — Rea r View Deta il Figure 2 Switch 1100 — Rear view Unit In fo rmatio n Label This la bel shows the following: ■ The 3C om p r o duct name.
16 C HAPTER 1: I NTRODUCING THE S WITCH 1100 Expans i on Modu le Slot Y ou can use thi s slot to install an Expansi on Module; for e xample, a 100BA SE- FX M odule t hat provide s an add itiona l high -sp eed lin k, or a Ma trix Modu le that provide s four matrix ports for sta cking Sw itch u nits toge ther .
Network Conf igura tion Ex ample s 17 Net work Config uration Exam ple s The f ollowi ng illu stra tions s how some example s of how the Swit ch c an be placed on y our ne twor k. Ne twork Se gm en ta ti on I Figu r e 3 shows how t he Swi tch 1 100 fits into a la rge cor pora te ne twork wi th a Fa st Eth er ne t in fr a str uc ture .
18 C HAPTER 1: I NTRODUCING THE S WITCH 1100 Ne twork Segme ntatio n II Figu r e 4 shows the Swit ch 1100 i n a sec ond w orkgroup situatio n. Th is setup co uld b e th at o f a sma ll office w ithin a large c orpor ation , or p art of a large r co rporat e net wor k.
Network Conf igura tion Ex ample s 19 Des kto p Switch ing Figu re 5 shows the Switch 110 0 used for a g r oup o f use rs in a large corpo rate netw ork. H er e swi tching is brought to the deskto p wit h a single endsta tion pe r po rt. Lo cal serv ers are co nnec ted vi a 100 Mbps F ast Ethe r net li nks.
20 C HAPTER 1: I NTRODUCING THE S WITCH 1100 Config uration Rul es fo r Fast E t her ne t The t opolo gy rule s for 100 M bps Fast Et her net are sl ightly di ff erent to those f or 10 Mbps E ther net. Fi gure 6 illus trates th e key topolo gy rules an d pr ov ides examp les of how they allow fo r larg e-scale F ast Et hernet netw orks.
Config urati on Rules with Full Dupl ex 21 The key to pology r ules ar e: ■ Ma ximum UTP c able l eng th is 100m (3 28f t) ov er Cat egory 5 cab le. ■ A 412 m (1352f t) fiber run is al lowed for conne cting swi tch-to-sw itch, or endst ation -to-sw itch , usin g half-du ple x 100BA SE-FX .
22 C HAPTER 1: I NTRODUCING THE S WITCH 1100 1695 0 ua. bk Pa ge 22 Th ur sda y , Ap ril 29 , 19 99 1 :2 8 P M.
2 I NSTALLI NG TH E S WITCH This ch ap ter co ntain s the inform ation y ou ne ed t o insta ll and se t up t he Swi tch. It cover s the fo ll owing to pics: ■ Choosing a Suitable Si te ■ Rack- mo .
24 C HAPTER 2: I NSTALLING THE S WITCH Choosin g a Suita ble Si te The Swit ch is suite d for use in an of fice en vir onment whe re it can be mount ed in a standa rd 19- inch eq uipm ent rack , or free stand ing. Alternativ ely , the Swit ch can be rac k-mounte d in a wirin g closet o r equipm ent r o om.
Plac ing Unit s On T op of Each Othe r 25 Figure 7 Fitting a brac ket for r ack mounting 3 In se rt th e th ree sc rew s an d t ig ht e n w ith a s ui tab le sc rew d riv er . Y ou must use the sc rews sup plied with the mountin g bracket s. Damage caused to the uni t by using incorrec t scr ews inval idates y our w arrant y .
26 C HAPTER 2: I NSTALLING THE S WITCH Sta cki ng Un its Unit s in the Switch 11 00/3300 fam ily ca n be stack ed toge the r and t hen tr eat ed as a single man ageable unit with one IP ad dres s.
Stack in g Unit s 27 Figure 8 A stack of two units Stac king Up T o Four Units Y ou can stac k up to fou r Switch unit s with a s ingle Su perSta ck II Switc h Ma trix Modu le and the app r opr iate num be r of M atrix Cable s. Y ou only need one Matrix Module for each stac k.
28 C HAPTER 2: I NSTALLING THE S WITCH 5 If you u se th e mana gem ent software of the uni ts: ■ Ensure tha t all th e unit s hav e the same ve rsion o f m anage men t software ■ Ensu re th at you.
The Power-up Se quence 29 Th e Pow e r - up Seq u enc e The f ollow ing sect ions descri be how to get you r Swi tch 110 0 powered- up and ready for operat ion. Co nnecti ng a Redund ant Pow er Syst e m Y ou can c onn ect a Super Stac k II Ad vanc ed Red und ant Po we r System (part number 3C16071) t o the Switc h.
30 C HAPTER 2: I NSTALLING THE S WITCH I f ther e i s evid ence o f a pr ob lem, se e “ S olving Problem s Indica ted b y LEDs ” on pa ge 31 . Choosin g the Correct C ables All of the ports on the fr o nt of t he Switc h 1100 are c onfig ur ed as MDIX (c ro ss-over ).
Solvi ng Probl ems I ndicat ed by LEDs 31 Solving Problem s Indicated by LEDs If the LEDs on the Switch in dicat e a pr oblem , r efe r to Ta b l e 5 whic h contai ns a list of possibl e p r oblem s and sugge sted sol utions.
32 C HAPTER 2: I NSTALLING THE S WITCH For in forma tio n ab out solv ing p r o blems wh en man agi ng the Sw itch , refer to t he Pr oblem So lvin g chapter in th e “SuperSta c k I I Switc h Management Gu ide” (DU A 1695- 0BAA 0x) .
A S AFETY I N FORM ATION Y ou must read the follow ing saf ety in formati on be fore carryi ng out any install ation or removal of c ompone n ts, or an y m aintenan ce proc edures on the Switch 110 0. WARNI NG : Warning s co ntain direct ions that yo u m ust fo llow for your per sonal sa fety .
34 A PPENDIX A: S AFETY I NFORM ATION Importa nt Safe ty In formati on ■ Install ation and remo val of the uni t mu st be ca rried ou t by qua lified pers onnel o nly . ■ If in stallin g the Switch uni t in a stack with SuperSt ack II Hub units , the Switch 11 00 uni t must be inst alled below t he nar r ow er Hu b uni ts.
Imp or ta nt S afe t y In form at io n 35 ■ Franc e and Peru only: This un it ca nnot be p owered from IT† sup plies. If y our sup plies are of IT ty pe, thi s unit mu st b e powe red by 2 30V (2 .
36 A PPENDIX A: S AFETY I NFORM ATION L ’ informat ion de Séc uri té Impo rtan te ■ L' install ati on et la dépo se de ce gr oupe doiven t êtr e confi és à u n pers onnel q ualif ié.
L’i nfor mat ion de S écur ité Import ant e 37 ■ L ’ap par eil fonc tionne à une tensi on extrê mem ent ba sse de sécurité qui est conf orme à la no rm e CEI 950. Ce s cond itions n e sont ma intenu es que si l 'équipem ent auquel il est rac cordé fon ctionne da ns les m ême s condi tions.
38 A PPENDIX A: S AFETY I NFORM ATION Wi ch ti ge Sicherh eitsinfor mat ion en ■ Die In stallation und der Ausbau des G eräts da rf n ur durch Fach per sonal erfol gen .
B P IN - OU TS Nu ll Modem Cable 9-pin t o R S-232 25 -p in PC -A T Se ri al C a ble 9-pin t o 9 -pin 1695 0 ua. bk Pa ge 39 Th ur sda y , Ap ril 29 , 19 99 1 :2 8 P M.
40 A PPENDIX B: P IN - OU TS Modem Ca ble 9-pin t o R S-232 25 -p in RJ45 P in Assign me nts Pi n assignments are id entical f or 10BASE-T an d 100BASE-TX RJ4 5 co nnector s Ta b l e 6 Pin as sign men.
C T ECHNI CAL S P ECIFICATIONS Physic al Dimensio ns He ight: 76mm (3.0 in.) x Width: 483mm (19 .0 in.) x Depth 300mm (12. 0 in.) Weight : 4.4kg (9 .7lbs ) Envir onment al Requir emen ts Ope rati ng T.
42 A PPENDIX C: T ECHNICAL S PECIFICATIONS Standar ds Support ed SN MP SN MP prot ocol ( RF C 1157) MIB-I I (RFC 121 3) Bri dge MIB (RFC 1493) Repeat er MIB ( RF C 1516) VLAN M IB (RFC 15 73) RMON MIB.
D T ECHNI CAL S UPPO RT 3Co m provide s eas y acce ss to t echn ical supp ort i nforma tion t hrough a vari ety of serv ices. This ap pendi x descr ibes th ese serv ices. Infor mation co ntained in this app endix is co rre ct at ti me of publ icati on.
44 A PPENDIX D: T ECHNICAL S UPPORT 3C om F TP S ite Do wnload drivers, patc hes, software, and MIB s across the Inter net from the 3Com publ ic F T P si te .
Suppor t from Your Net work Su pplier 45 Acce ss by Digi ta l Mo dem ISDN users ca n di al in to the 3Com BB S using a di gital mo dem f or fa st access up t o 64 K bp s.
46 A PPENDIX D: T ECHNICAL S UPPORT When you co ntact 3Com for a ssistance, have the foll owing inf orma tion r eady: ■ Product m odel n ame , part num ber , and serial num be r ■ A list o f syste.
Retu rning Pr oduc ts for Re pair 47 Retu rning Products fo r Rep ai r Before you send a produc t directly t o 3Com fo r repair , y ou m ust fir st obtai n an au thoriz ation n um ber . Products sent to 3Com wi thout author ization num ber s will b e return ed t o the se nder u nopen e d, at th e sender ’ s ex pense.
48 A PPENDIX D: T ECHNICAL S UPPORT 1695 0 ua. bk Pa ge 48 Th ur sda y , Ap ril 29 , 19 99 1 :2 8 P M.
G LOSSARY 10B A SE- T The IEE E specific ation for 1 0Mbps Ether net ove r Ca tegor y 3, 4 or 5 twist ed pai r ca ble. 100B A SE-FX The IEEE spec ifica tion for 100 Mbps Fast Et hernet over fib er -opti c cab le. 100BA SE -TX The IEEE spec ifica tion fo r 100Mbps Fast Et hernet over Categ ory 5 t wi ste d- pai r ca ble .
50 G LOSSARY broa dc ast st or m M ult iple sim ultaneous br oad casts th at typic ally ab sorb all th e available netw ork ba ndwidt h and ca n cau se a ne twor k to fail. Broadc ast stor ms c an be d ue t o fa ul ty net wor k de vice s. coll ision A term used to de scribe two co lliding pack ets i n an Ether ne t netwo rk.
G LOSSARY 51 hub A device that r egene rates LA N tra ffi c so th at the tr ansmiss ion d istanc e of t hat signal can be extended . Hubs ar e similar to rep eaters , in that they con nect LANs of the same ty pe; however they connect mor e LANs than a r epeat er and ar e gener ally mor e sophi sticat ed.
52 G LOSSARY MAC addr ess M edia Ac cess Con tr ol address; also c alled hardware or phy sical address. A laye r 2 a ddress asso ciated with a pa rticular net work device. Mo st devic es th at conn ect to a LAN have a M AC address assigne d to the m as they ar e used to identi fy other dev ices i n a network .
G LOSSARY 53 SN MP Si mple Networ k Mana gement Pro tocol. The curr ent IETF st andar d protoco l for m ana ging devices o n a n T CP/IP netwo rk . stack A grou p of net wor k devi ces tha t are integ rated t o form a sin gle logi cal devic e.
54 G LOSSARY 1695 0 ua. bk Pa ge 54 Th ur sda y , Ap ril 29 , 19 99 1 :2 8 P M.
I NDEX Numbers 10BASE- T por ts 13 10BASE- T/ 100BASE- TX ports 13 3C nu mb e r 15 3Com b ullet in boar d serv ice (3 Com BBS) 44 3Com K nowledgeb ase Web S ervi ces 4 3 3Com URL 4 3 3Co mFacts 45 A a.
56 I NDEX RJ45 40 ser ia l c abl e 39 pin- outs 39 po rts 10BASE- T 13 10BASE- T/ 100BASE-T X 13 au to-nego tiat ing 1 3 co nsole 15 matrix 16 powe r socke t 15 powe ring-up a S w it ch 1100 29 pr oduct name 15 R rack mounti ng a Sw itch 1100 24 Redunda nt Po wer Syst em.
3Com C orpor ati on L IMITED W ARRANT Y S UPER S TACK ® II S WITCH 1100 H ARDWA RE 3Com w arrants thi s hardwa re prod uct to be f ree fro m defect s in work manship a nd mat erials, und er norma l u.
days aft er the date of purc hase, and this is ve rified by 3C om, it will be conside red dead- o r de fec tiv e- on- arr i val (DO A ) an d a r ep la cem ent s hal l b e pr ovi ded b y ad v ance r epl ace me nt .
EMC S TATEMENTS FCC S TA TEMENT This equipme nt has be en test ed and fou nd to compl y with t he limits f or a Class A digita l device, pur suant t o part 15 o f the FCC rules.
1695 0 ua. bk Pa ge 60 Th ur sda y , Ap ril 29 , 19 99 1 :2 8 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 3C16950 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 3C16950 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso 3Com 3C16950 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul 3Com 3C16950 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il 3Com 3C16950, 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 3C16950.
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 3C16950. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo 3Com 3C16950 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.
