3Com 3C16981 инструкция обслуживания

® http://www.3com.com/ Super Stack ® II Swit ch 3300 User Guid e 3C16980, 3C1698 1 Part No. DUA1698 -0 AAA05 Publ ished Apr il 1999 169 80u a. bk Page 1 Frida y, Ap r i l 30, 19 99 9: 03 AM[...]

3Com Cor poratio n 5400 Bayfr ont Pl aza 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 any for m or by a ny mea ns or used to make any deriva tive work (such as translat ion, tra nsforma tion, or adapta tion) withou t writt en permi ss[...]

C ONTENT S A BOUT T HIS G UID E Conventions 8 Related Doc umentation 9 Y ear 2000 Compliance 10 Documentation Comm ents 10 1 I NTR ODUC ING THE S WIT CH 3300 About the SuperStack II Switch 3300 12 Summary of Fea tur es 1 2 Switch 33 00 — F ront View De tail 13 10BASE- T/ 100BASE-T X Ports 13 LED s 13 Switch 33 00 — R ear Vi ew Deta il 15 Unit I[...]

iv Placing Units On T op of Ea ch Other 25 St acking U n its 26 St acking T wo Units 26 St acking Up T o Four Un its 27 The Power -up Sequence 2 9 Connectin g a Re dundant Pow er System 29 Powering-up the Sw itch 3300 29 Checking for Correct Opera tion 29 Choosing the Correct Cables 30 Solving Pr ob lems Indicated by LEDs 31 Managing the Switch 32 [...]

v G LOSSARY I NDEX 3C OM C O RPORATION L IM IT ED W A RRA NTY EMC S TATEM ENTS 169 80ua. bk Page v Fri da y, Apr i l 30, 19 99 9:03 AM[...]

vi 169 80ua. bk Page v i Fr i day, Ap r i l 30, 19 99 9:03 AM[...]

A BOUT T HI S G UIDE This gui d e pr ovid es all the i nformation you need to ins tall and use a Super Stack ® I I Swit ch 330 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 u ide” ( part nu mber DUA1695 -0 BAA0x ). The[...]

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 atio n note In form atio n th at d escri bes i mporta nt fe atures or ins truc tio ns Cauti on Informat i o n that al e rts y ou to pot ential loss of data or poten[...]

Relat ed Documentati on 9 Related Do cumen tati on In addi tion t o thi s guid e, ea ch Sw itch 3300 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. ■ Quick Refe rence Guide (Part Number DQA1698-0AAA0x) This g uide cont[...]

10 A BOU T T HIS G UI D E I n additi on, ther e ar e other public ations you may fi n d use ful: ■ Documentati on accompanying th e Expansion M odules. ■ D ocume ntat ion acc om pany ing the Ad vanc ed Redu ndan t Po wer System. Y ear 2000 Compli ance For in form atio n on Y ea r 2000 co mplia nce an d 3C om products , visit the 3Co m Y e ar 20[...]

1 I NTR ODUCI NG TH E S WITCH 3300 This c hapter c o ntai ns intr oductory i nformatio n ab ou t the Switch an d 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 th e Su perSt ack I I Sw itch 33 00 ■ Switch 33 00 — Front View D e tail ■ Swi tch 3300 — Rear View Detail ■ Netwo rk C onfig uration Exa[...]

12 C HAPTER 1: I NTRODUCING THE S WITCH 3300 Ab out the Su per Sta ck II Sw itch 330 0 The Supe rStack ® II Sw itch 330 0 c onne cts you r exi sting 10Mbp s dev ices, conne cts h igh-p erform ance work groups with a 100M b ps bac kbon e or serve r conn ection, a nd co nnec ts pow er use rs to dedicat ed 10 0Mbps port s — a ll in o ne switc h. In[...]

Switc h 3300 — Front View Det ail 13 Sw itch 33 0 0 — Fr o nt Vi ew Deta il Figure 1 Switch 3300 — fr ont view 10B ASE - T/ 100B AS E-TX P orts The Swit ch has 12 or 24 au to-neg otiatin g 10BASE-T/ 1 00BASE-TX p orts conf igur ed as MDIX ( cr oss-over) . These p orts ca n be set to 10 BASE-T half duplex , 10 BASE- T full du ple x, 100B AS E-[...]

14 C HAPTER 1: I NTRODUCING THE S WITCH 3300 Ta b l e 3 LED behav ior LED Color In dica tes Port S tatus LEDs * * I f your S witc h has 24 10 BASE- T/100B ASE-T X por ts, t hes e por ts ar e number ed 1 to 24 . If y o u r S witch has 12 10 BASE- T/100B ASE-TX por ts, the se port s a re nu mber ed 1 to 12 . Fo r bot h m odels , port s su pplied thro[...]

Sw itch 3300 — Rear Vi ew Detail 15 Swi tch 33 00 — R ear View Deta il Figure 2 Switch 3300 — r ear view Unit In fo rmatio n Label This la bel shows the following: ■ The 3C om p r o duct name of the S witch ■ The 3Com 3C numb er of the Swit c h ■ The uni que MAC addre ss (Ethe r net add ress ) of the Swit ch ■ The ser ial number of th[...]

16 C HAPTER 1: I NTRODUCING THE S WITCH 3300 Cons ole Port The con sole po rt allows you to c onnect a termina l and pe rform remot e or local out-of -ban d ma nageme nt. Th e con sole port uses sta ndard n ull mode m ca ble and i s set to aut o-baud, 8 d ata bit s, no pa rity an d 1 stop bit. Expans ion Modu le Slot Y ou can use thi s slot to inst[...]

Network Conf iguration Ex amples 17 Net work Config uration Exam ples The f ollowi ng illu stra tions s how some example s of how the Swit ch can be us ed i n yo ur ne t wor k. Sw itch 3300 as a Segm entati on S wi tch The example i n Fi gure 3 shows how a Swit ch 330 0 sta ck can segmen t a netw ork of shared 1 0Mbps and 100 Mb ps con nect ions. T[...]

18 C HAPTER 1: I NTRODUCING THE S WITCH 3300 Sw itch 3300 as a Coll apsed Backbon e Sw itc h The example i n Fi gure 4 shows how a Swit ch 330 0 st ack can act as a backb one f or bo th sha r e d a nd sw itched net work segment s. Figure 4 Using the Swit ch as a collaps ed backbone 1698 0 ua. bk Pa ge 18 F ri day , Ap ri l 30 , 19 99 9 : 03 A M[...]

Network Conf iguration Ex amples 19 Sw itch 3300 as a D eskt op S wi tch The example i n Fi gure 5 shows how a Swit ch 330 0 c an be u sed for a group of users th at require dedic ated 1 0Mbp s or 100M bps conn ect ions to t he desktop. The Switch 33 00 stack has a SuperStac k II Switc h 1000BA SE- SX Module that allows it t o provide a Gigab it E [...]

20 C HAPTER 1: I NTRODUCING THE S WITCH 3300 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 for la rge-sc ale Fast Et h ernet netw orks. Figure 6 Fa[...]

Config ur a tion Rules with Full Dupl ex 21 The key to p olog y rules are: ■ 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 . ■ A tot al ne twork spa n of 325m (1 066 ft) is a ll[...]

22 C HAPTER 1: I NTRODUCING THE S WITCH 3300 1698 0 ua. bk Pa ge 22 F ri day , Ap ri l 30 , 19 99 9 : 03 A 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 c over s the foll owing topi c s: ■ Choosing a Suitable Si te ■ Rack- mo unti ng ■ Placi n g Units On T op of Each Other ■ Stack ing Units ■ The Power -up Sequenc e ■ Cho osing the C orr ect Cable s ■ Solvi ng Pr[...]

24 C HAPTER 2: I NSTALLING THE S W ITCH Choosin g a Suita ble Si te The Swit ch is suite d for use in an of fice envir onment wher e it can be mount ed in a standa rd 19- inch eq uipm ent rack , or free stand ing. Alternativ ely , the Swit c h ca n be rack-mo unted in a wir ing clos et or equipm ent r o om. A r ack -moun ting k it, cont aini ng two[...]

Plac i n g Un its On Top of Each Othe r 25 Figure 7 Fitting a brac ket for r a ck mount ing 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 p lied with the mou nting bracket s. Damage caused to the uni t by using incorrec t scr ews inval idates y our w arrant y . 4 Repea t step s [...]

26 C HAPTER 2: I NSTALLING THE S W ITCH 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 eated as a si ngle manageabl e unit with one IP addr ess. Y ou can stac k Switch unit s together in two way s: ■ The matr ix port on th e rear of th e Switch allows yo u to connec t two Swi tch units b ac k -t[...]

Stack ing Un its 27 Figure 8 A stack of two units Stac k ing Up T o Four Units Y ou can stac k up to fou r Switch unit s with a sing le SuperSta c k II Switc h Ma trix Modu le and the app r o pr iate num ber of M atrix Ca bles . Y ou only need one Matrix Module for each stac k. T o stack up to fo ur Switch units : 1 Power -of f all the unit s. 2 Ar[...]

28 C HAPTER 2: I NSTALLING THE S W ITCH 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 r e-conf igure th e stack-wide f eatur es on all the uni t s For m ore info rmation about m anageme nt so ftwa r e , see “ M anaging t he Swi tch [...]

The Power-up Sequen ce 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 330 0 powered- up and ready for operat ion. Co nnecti ng a Redund a n t Pow er Syst em Y ou can c onn ect a Super Stac k II Ad vanc ed Red und ant Po we r System (part n umber 3C1607 1) to the Swi tch. This u nit, which is also known[...]

30 C HAPTER 2: I NSTALLING THE S W ITCH I f ther e i s evidenc e of a prob lem, se e “ Sol ving Pr ob lems I ndicat ed b y LEDs ” on pa ge 31 . Choosin g the Correct C ables All of the port s on the fr ont of the Swi t ch 33 00 are c onfigur ed as MDIX (c ro ss-over ). If you want to make a c onnectio n to an other M DIX po rt, you need a c ros[...]

Solvi ng Probl ems Indicat ed by LEDs 31 Solving Problem s Indicated by LEDs If the LEDs on the Switch in dicat e a pr oblem , r e fer to Ta b l e 5 whic h contai ns a list of problems and su ggest ed solut ions. For i nform atio n ab out solv ing p roblem s wh en m ana ging the Sw itch , refer to t he Pr oblem So lving chapter in the “Su perSta [...]

32 C HAPTER 2: I NSTALLING THE S W ITCH Manag ing th e Sw itch The S witch contai n s so ftwar e that allows yo u to chan ge and monitor the way it wo rks. This mana gem en t so ft ware is not requi red to ge t the Swit ch w ork ing, b ut if y ou d o us e it, y ou ma y imp rove t he efficie ncy o f the Swi t ch and ther efor e impr ove the over all[...]

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 330 0. WARNI NG : Warning s co ntain direct ions that yo u m ust fo llow for your per sonal sa fety . Fo llow all dir ectio ns care fully . Y ou must read t[...]

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 u nit in a stack with SuperSt ack I I Hub units, the Switch 33 00 uni t must be inst alled below t he nar r ow er Hu b uni ts. ■ The un it sho uld[...]

Imp or ta nt S afe t y In form at io n 35 ■ Franc e an d Peru onl y: 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 P+ T) via a n isola tion transf ormer ratio 1:1 , wi th the secon dary co nnec tion point l abelled Neut ral, c onnected di r e ctly to ear th (g r [...]

36 A PPENDIX A: S AFETY I NFORM ATION L ’ informat ion de Séc u ri té Importa nte ■ L' install ation et la dépo se d e ce gr oupe doivent êt re confi és à un pers onnel q ualif ié. ■ Si vo us entas sez l'unité Swi tch avec les unités Su perStack II Hub, l'unit é Switch 330 0 do it être instal lée en dessous des un i[...]

L’i nform ation de S écuri té I mport ante 37 ■ L ’appar eil fonction ne à une tensio n extrêmement b asse de sécu rité qui est co nforme à la no rm e CEI 950. C es cond itions n e sont maint enues q ue si l 'équipe me nt auque l il e st racc ordé fonc tionne dans les m êmes cond itions. ■ Franc e et Pérou uniq uement: Ce gr[...]

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 . ■ W enn die Switch 3 300 Einheit i n einer St apel mit an der en SuperStac k II Hub E inh eiten e ingebau t werden soll, muß di e Sw itch 33 00 Einheit unter die schm a leren[...]

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 1698 0 ua. bk Pa ge 39 F ri day , Ap ri l 30 , 19 99 9 : 03 A 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 o r 10BA SE-T and 100BASE- TX RJ45 co nnector s Ta b l e 6 Pin as s ig nments Pin Number Signal Funct i o n Ports configu r ed as M DI 1 TxData + Tra nsmit dat a 2 TxData – Tra nsmit dat a 3 RxD ata + Receiv e Data 4 Not [...]

RJ45 P in Assi gnments 41 Ports configu r ed as M DIX 1 RxD ata + Receiv e Data 2 RxData – Receive Data 3 TxData + Tra nsmit dat a 4 Not as signed 5 Not as signed 6 TxData – Tra nsmit dat a 7 Not as signed 8 Not as signed Ta b l e 6 Pin as s ig nments Pin Number Signal Funct i o n 1698 0 ua. bk Pa ge 41 F ri day , Ap ri l 30 , 19 99 9 : 03 A M[...]

42 A PPENDIX B: P IN - OU TS 1698 0 ua. bk Pa ge 42 F ri day , Ap ri l 30 , 19 99 9 : 03 A M[...]

C T ECHNI CAL S P ECIFICATIONS Physic al Dimensio ns Heigh t: 76 mm (3.0 in.) x Widt h: 483mm (19.0 in.) x Depth 300mm (12. 0 in.) Wei ght: 4kg (8.8 lbs) Envir onmental Requ ire ments Oper ating Tempera ture 0° to 50 °C (32° t o 122° F) Stora ge Temperat ure –10° to +70 °C (14° to 158°F) Oper ating Humidi ty 10–95% relat ive humidity, n[...]

44 A PPENDIX C: T ECHNICAL S PECIFICATIONS Standar ds Sup ported SN MP SN MP prot ocol (RF C 1157) MIB-I I (RFC 121 3) Bri dge MIB (RFC 1493) Repeat er MI B (RF C 1516) VLAN M IB ( RFC 15 73) RMON MIB (RFC 1271) BOOTP ( RFC 95 1) T er min a l Em ul at io n Teln et (RFC 854) Pr otocols Used f or Adm ini stra t ion UDP ( RFC 768) IP (R FC 791) ICM P [...]

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 app endix des cribes these se rvices . Infor mation co ntained in t his appendix is co r r ect at time o f publ i cat ion. For the mos t r ecent i nformati on, 3Com r ecommends t hat you a ccess the 3Com Corpor ation W [...]

46 A PPENDIX D: T ECHNICAL S UPPORT 3C om F TP S it e Do wnlo ad drivers, p atches, softwa re, a nd MIB s across the Inter net from the 3Com publ ic F TP site . This serv ice is av aila ble 24 hour s a day , 7 day s a week . T o c on n ect to t he 3C o m F T P s ite , e n ter th e fo llo wi ng i nfo rm a tion into yo ur F T P client : ■ Hostname:[...]

Suppor t f rom Yo ur Network Suppl ier 47 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. T o acce ss the 3Com BBS usin g ISD N, ca ll the following nu mber : 1 847 2 62 6000 3Com Fa cts Autom ated Fax Service The 3Com Fa cts a utomat ed fax s ervice pr ovides tec hni[...]

48 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 system hardware an d softw ar e, inc luding revision l evels ■ Diagno stic error messa ges ■ Detai ls abou t recen t conf igur ation chan ges, if appli[...]

Retu rning Produc t s for Re pair 49 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. T o obtain an au thoriz ation[...]

50 A PPENDIX D: T ECHNICAL S UPPORT 1698 0 ua. bk Pa ge 50 F ri day , Ap ri l 30 , 19 99 9 : 03 A M[...]

G LOSSARY 10B ASE - T The I EEE specific ation for 1 0Mbps Ether ne t over Cat egory 3 , 4 or 5 twist ed pai r ca ble. 100B A SE-FX The IEEE spec ifica tion for 100 Mbps Fast Et h ernet over f iber -optic c able. 100BA SE -TX The IEEE spec ification fo r 1 00Mbps F ast Ethernet o ver Category 5 t wist ed - pai r ca ble . aut o-ne gotiat ion A fea t[...]

52 G LOSSARY broa dc ast st or m Multip le simultan eous br oadcast s that t y pic ally abs orb all the ava ilable 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 to f aul ty net wor k de vic es. coll ision A term used to de scribe two co lliding pack ets i n an Ether ne t netwo rk. Collision s are a pa rt [...]

G LOSSARY 53 hub A device that r egenerat es LAN traf fic so th at the tran smissi o n dis t anc e of t hat signal can be extended . Hubs ar e similar to r epeater s, in that they con n ect LANs of th e same ty p e; howe ver they connect m or e LANs than a r epeater and ar e generall y more sophi sticat ed . IEEE I nstitute of Elect rical and Elect[...]

54 G LOSSARY MAC addr es s Me dia Access C ontrol address; also calle d hardwar e or physical add r ess. 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 device s in a network . M AC addr esses ar e 6 bytes long. MDI[...]

G LOSSARY 55 SN MP Si m ple Networ k Management Pr ot ocol. 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. STP See S p annin g T ree Pro tocol (STP) . sw itc h A de vice that interconne cts seve ral LANs to fo rm[...]

56 G LOSSARY 1698 0 ua. bk Pa ge 56 F ri day , Ap ri l 30 , 19 99 9 : 03 A M[...]

I NDEX Numbers 10BASE- T/100BASE- TX ports 13 3C nu mb e r 15 3Com b ul let in boar d servic e ( 3 Com BBS) 46 3Com K nowl e dgebase W eb Serv ices 45 3Com URL 4 5 3Co mFacts 47 A auto- negotiat ing por t s 13 B bu lletin boar d servi ce 4 6 C cab le choos ing the cor rect 30 Matrix 16 maximum lengt h 13, 21 pin- outs 39 conso le port 16 conve ntio[...]

58 I NDEX 10BASE- T/100BAS E-TX 13 au to-nego tiating 1 3 co nsole 16 matrix 16 powe r socke t 15 powe ring-up a S w it ch 3300 29 pr oduct name 15 R rack m o unting a Switch 3300 24 Redunda nt Power S y stem . See RP S re tur ning p roduc ts for r epair 49 RPS 15 co nnecti ng 29 soc k et 15 S s afe ty i nfor mati on Engli sh 34 Fr ench 36 German 3[...]

3Com Corpor ation L IMITED W ARRANTY S UPER S TACK ® II S WITCH 3300 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 use a nd service, for the f ollowing l engt h of time f rom the d ate of p urchase f rom 3Com o r its au thorized re se ll er : 3Com’s s ole oblig ation[...]

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 . Th e r ep lac eme nt product will norma lly be shipped not later t han thr ee (3) bu siness da ys after 3 Com’s veri ficatio n of the [...]

EMC S TATEMENTS FCC S TA TEMEN T This equi pment has been te sted and f ound t o comply w ith the lim its for a Class A digital de vice, pursua nt to part 15 o f the FCC rules. T hese li mits ar e designed t o provi de reas onable pr otection against harmful int erf e renc e wh en th e eq u ip men t i s op er ate d in a c om me rci al en vir onm en[...]

1698 0 ua. bk Pa ge 62 F ri day , Ap ri l 30 , 19 99 9 : 03 A M[...]