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3Com 1100 - page 1
® http://www.3com.com/ Super Stack ® II Switch 1100 User Guid e 3C16950, 3C16951 Part N o. DU A 1695-0AAA02 Publ is h e d Augus t 1998 169 50u a. bk Page 1 Th urs da y, Au gu st 27 , 1998 11: 5 5 A M ...
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3Com 1100 - page 2
3Com Cor poratio n 5400 Bayfr ont Plaza Santa Cl ara, Calif or ni a 95052- 8145 Copyri ght © 1998, 3Co m T echn ol og ies. All rights reserved. No part o f this docume nt at i on ma y be r eprodu c ed in any for m or by any me ans or used t o ma ke a ny d e riva t ive wor k (such as t ran s lation , t ra nsformation, o r adapta t ion) w ithout wri ...
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3Com 1100 - page 3
C ONTENT S A BOUT T HIS G UID E Conventions 8 Related Doc um entation 9 Y ear 2 000 Compli ance 10 Documentat i on Comments 10 1 I NTR ODUC ING TH E S WITCH 1100 About the SuperStack II Switch 1100 12 Summary of Feature s 12 Switch 11 00 — Front Vi e w De tail 13 Port Connections 13 LEDs 14 Switch 11 00 — Rear View Detail 15 Unit Information La ...
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3Com 1100 - page 4
iv Wa ll-mounting 25 Placing Units On T op of Each Other 27 St acking U nits 27 St acking T wo Un its 27 St acking Mu lti ple Un its 28 The Power -up Seq uence 30 Connectin g a Redunda nt Power System 30 Powering-up the Switch 1100 30 Checki ng for Correct Op eration 30 Choosing the Corr ect C ables 31 Solving Pr o bl em s Indicated by LEDs 32 Mana ...
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3Com 1100 - page 5
v G LOSSARY I NDEX 3C OM C ORPORA TIO N L IM I TED W ARR ANTY EMC S TATEM ENTS 169 50ua. bk Pa ge v Th urs da y, Au gu s t 27 , 199 8 11: 5 5 A M ...
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3Com 1100 - page 6
vi 169 50ua. bk Pa ge v i Th urs da y, Augu st 27 , 199 8 11: 5 5 A M ...
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3Com 1100 - page 7
A BOUT T HI S G UI DE This g uide pro vid es all the inf ormatio n you need to inst all an d use a Super Stack ® II Swit ch 110 0 unit wi th def ault setting s. If you want t o ch ange th e wa y the Sw itch w orks u si ng m ana geme n t soft wa re, ref er to the “Su perSt ack II Switc h Managemen t Guide” ( part nu mber DUA1695 -0BAA0x). The g ...
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3Com 1100 - page 8
8 A BOU T T HIS G UI DE Conve ntions T able 1 and T able 2 list conventi o ns that ar e used thr ougho ut this guid e. Ta b l e 1 Notice Icons Ic on Notice Type Descri ption In form at ion no te Info rmatio n that d esc ribes impor ta nt featu res o r ins truct ions Cauti on Info rmat ion th at ale rts y ou t o potent ial loss of d at a or potent i ...
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3Com 1100 - page 9
Relat ed Docu mentati on 9 Related Do cumen t ati on In addi tion to t his guid e, each S w i tch 1100 do cume nt set in cludes the fo llow ing : ■ Mana gemen t Gui de (Part N umber DU A1695- 0BAA0x) This gu ide con tains all the mana geme nt inform ation for the Sw itch. ■ Quick Reference Gu i de (Part Num b er DQA 1695-0AAA0 x ) This g uide c ...
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3Com 1100 - page 10
10 A BOU T T HIS G UI DE In addi tion, the r e are other publ ications y ou may f ind us eful: ■ Document ation ac companying th e Expansion Modules. ■ Document ati on accompanyi ng the T r ansceiv er Modul es. ■ Document ation ac companying th e Matrix Module an d Matrix Cable. ■ Docume ntatio n accom panying t he Ad vanced Re dundan t Pow ...
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3Com 1100 - page 11
1 I NTR ODUCING THE S WIT CH 1 100 This c hapter c ontains int r oductory informatio n about the Swit ch and how it ca n be use d in your networ k. It cov e rs t he follo wing topic s: ■ A bout t h e Su perSta ck II Sw i tch 1100 ■ Switch 1100 — Front V i ew Detail ■ Swi tch 1100 — Rear View Det ail ■ Netwo r k C onfigur ation Exa mples ...
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3Com 1100 - page 12
12 C HAPTER 1: I NTRODUCING THE S WITCH 1100 Ab out the Su perS tack II Sw itch 11 00 The Supe rSta ck ® II system so l ve s the problem of growt h in dyna mic netw ork envi ronments a n d pr ovi des ev e ryt hing yo u need f or suc cessful wor kgroup net working . Much m ore than a collecti on of stack able componen ts, th e syst em comprises a c ...
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3Com 1100 - page 13
Switc h 1100 — Front View Detail 13 Sw itch 110 0 — Fr o nt Vie w Detai l Figure 1 Switch 1100 — Front vie w Port C onnectio ns 10B ASE-T P orts The Swi tch has 12 or 24 10BASE- T ports c onfig ur ed as MDIX (cro ss-ov er). The ma ximum segmen t length i s 100m (3 28ft) ove r Ca tegory 3 , 4, or 5 twist ed pair cable. As these p orts ar e con ...
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3Com 1100 - page 14
14 C HAPTER 1: I NTRODUCING THE S WITCH 1100 LEDs T able 3 lists the LEDs v isible o n the fr ont of th e Switch, a n d th eir stat es acco rding to col or . Fo r inf ormatio n on using the LEDs f or problem solving , see “Checki n g for Co rrec t Ope ratio n” on page 30 . Ta b l e 3 LED behavior LED Color Indica tes TCVR Yellow Por t 1 i s a T ...
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3Com 1100 - page 15
Sw itch 1100 — Re ar Vi ew Detail 15 Swi tc h 11 00 — Rea r View Deta il Figure 2 Switch 110 0 — Rear view Un it Inform ation Label This la bel shows the follo wing: ■ The 3C om p r oduct name o f the Swi tch ■ The 3Com 3C n umber of th e Switch ■ The uni que MAC address ( Ethernet ad dres s) of th e Switch ■ The ser ial numb er of th ...
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3Com 1100 - page 16
16 C HAPTER 1: I NTRODUCING THE S WITCH 1100 Ex pans ion M odul e Slot Y ou c an use thi s slot to i nstall an Ex pansion M odule tha t provides a high-spe ed link t o the rest of your netwo r k, o r a Mat r ix Modu l e tha t pr ovi des four matr ix port s fo r sta cking Swit ch unit s to geth er . 3Com provide s a range of Exp a ns i on M odule s; ...
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3Com 1100 - page 17
Network Conf igura tion Ex ample s 17 Net work Config uration Exam ple s The f ollowi ng illu stra tion s show some ex amples of how the Swit ch can be place d on your networ k. Ne twor k Seg m en ta ti on I Figu r e 3 sho ws how the Swi tch 110 0 fits int o a larg e corporat e netwo rk with a Fast Ether net in f ra structure. A Switch is posit ion ...
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3Com 1100 - page 18
18 C HAPTER 1: I NTRODUCING THE S WITCH 1100 Ne twor k Segm entatio n II Figu r e 4 sho ws th e S witch 110 0 in a sec ond w orkgroup si t uat ion. Th i s setup co uld b e that o f a small o f fice within a large corporatio n, or p art of a large r corp orate net work. M ost of th e switch ports ha ve mult iple endsta t ion s. Figure 4 Using the Sw ...
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3Com 1100 - page 19
Network Conf igura tion Ex ample s 19 Des ktop Switch ing Figu r e 5 sho ws the Switch 1100 us e d f o r a group of u ser s i n a large corpo rate ne twork. Her e sw i tch ing is brou ght to t he deskt op with a single endstation per po rt. Loca l serve r s are co nnected via 100 Mbps F ast Ethe r n et l inks. Figure 5 Using the Switch 1100 in a de ...
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3Com 1100 - page 20
20 C HAPTER 1: I NTRODUCING THE S WITCH 1100 Config uration Rules fo r F ast E th er net The t opology r ules for 100 Mbps F ast Ether net are slight l y di f ferent to those f or 10Mb ps Ether net. Figure 6 il lust r at es the ke y t o pology rul es and pr ovi des exampl es of how they allow fo r large -scale F ast Et hernet netw orks. Figure 6 Fa ...
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3Com 1100 - page 21
Config urati on Rules with Full Du plex 21 The key topolog y rules are: ■ Ma ximum UTP cable le ngth is 100m (3 28ft) ov e r Cate gory 5 ca ble. ■ A 412m (135 2ft) fibe r run is allo wed for connecti ng switch-to- switch, or endst ation - to- switch, usi ng half- duplex 10 0BA S E- F X. ■ A tot a l n etwork span of 325 m (1066 f t) i s allowe ...
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3Com 1100 - page 22
22 C HAPTER 1: I NTRODUCING THE S WITCH 1100 169 50ua. bk Pa ge 2 2 T hu rsday, A ugus t 27, 19 98 11 : 55 AM ...
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3Com 1100 - page 23
2 I NSTALLING TH E S WITC H This ch apter co ntain s the info rmation y ou nee d to insta l l an d set up t he Swi tch. It cover s the foll owing topi cs: ■ Choosing a Suitable Si te ■ Rack- mount ing ■ W all-m ounting ■ Placin g Units On T o p of Each Other ■ Stack ing Units ■ The Power -up Sequence ■ Choosing the C or rect Cables ? ...
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3Com 1100 - page 24
24 C HAPTER 2: I NSTALLING THE S WITCH Choosin g a Suitable Si te The Swit ch is suite d for use in an of fic e envir o nme nt wher e it can be wall- mounte d, moun ted in a standard 19 -inch equ ipment rack, or f r ee standi ng. Alter natively , the S witch c an be r a ck - m ounted in a w i ring closet or equi pment r o om . A wall-mo unting/ rac ...
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3Com 1100 - page 25
Wall -moun ting 25 Figure 7 Fitting a brac ket for rack mounti ng 3 I nsert the t hre e scr ews and tighten with a suitab le scr ewdriver . Y ou must use t he screws supplie d with the mounti ng bracket s. Dama ge caused to th e unit by using in correct screws in validates y our wa r ra nty . 4 Repea t steps 2 and 3 for t he other si d e of the S w ...
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3Com 1100 - page 26
26 C HAPTER 2: I NSTALLING THE S WITCH Figure 8 Fitting a brac ket for wall-mounti ng 3 In sert the tw o scre ws and tig hten w ith a su itab le s crew dri ver . 4 Repea t steps 2 and 3 for t he other si d e of the S witch. 5 Ensure t hat the wall yo u are u sing is smooth, f lat, dry and st urdy . Att a ch a piece of plyw ood, approx imately 305mm ...
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3Com 1100 - page 27
Plac ing Unit s On Top of Each Othe r 27 Plac ing Un its O n T op of Each Othe r I f the Switch units ar e fr ee-stan ding, up to four unit s can b e placed one on top of the ot her . If you are mixi ng a variet y of SuperS tack II Swi t c h and Hub unit s, the smaller units m ust be position e d a t the t op. If you a r e pla cing S wi tch units o ...
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3Com 1100 - page 28
28 C HAPTER 2: I NSTALLING THE S WITCH As show n in Fi gur e 9, co nnect o ne end of t he Matr i x Ca ble to the m atrix port o f the t op S witch, an d the other en d to the matri x port of th e lowe r Swi tch. Figure 9 A stack of two units Stacki ng Multi ple Units Y ou c an co nnect u p to fou r Sw itch uni ts to form a stack. I f y ou conn ect ...
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3Com 1100 - page 29
Stack in g Unit s 29 3 Connect th e Matri x Cables, as shown in Figur e 1 0: a Connect a Mat rix Cabl e to the por t marked Uni t 1 on t he Matr ix Modu le. Connec t the othe r end of thi s cabl e to t he matrix po rt of the Swi tch that con tains the Mat rix Module. b Connect a s econd Matr ix Cable to t he port marked Unit 2 on the Matri x Module ...
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3Com 1100 - page 30
30 C HAPTER 2: I NSTALLING THE S WITCH Th e Pow er - up Sequenc e The f ollowing se ctions describe how to get you r Switch 1100 power ed-u p and r eady for operatio n. Conne cti ng a Redund ant Power Syst e m Y ou c an co nnect a S u perStack II Adva nced Re dundant Power System (part number 3C1607 1) to the Swi tch. This unit, whi ch is also know ...
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3Com 1100 - page 31
Choosi ng the Corre ct Cable s 31 I f there is eviden ce of a pro blem, see “Solv ing Prob lems In dicated by LEDs ” on pa ge 32. Choosin g the Co rr e ct Ca bl es All of the ports o n the f ront of the Switch 1100 are c onfigured as MDIX (cr oss-ov er ). If you want to make a connection to another MDIX por t , you need a c ross- over cable. Mo ...
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3Com 1100 - page 32
32 C HAPTER 2: I NSTALLING THE S WITCH Solving Problems Indicated by LEDs If the LEDs on the Swit ch i n dicate a problem, r efe r to T able 5 which contai ns a list of possible p r o blems and sugge st ed solutions. Ta b l e 5 Pr oblems i ndicated by L EDs Prob lem Suggest ed S oluti on A Power L ED d oes not light Check t ha t th e pow er ca ble ...
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3Com 1100 - page 33
Man aging the Switch 33 For inf ormat i o n about solving pro blems wh en man aging t he Swit ch, refer to the Pr oblem Solvi ng chapt er i n the “ SuperStac k I I Switch Ma nagemen t Guid e” (DUA 1695-0BAA 01). Manag ing the Sw itch The S witch contai ns sof tware th at allo ws you t o chan ge and monito r th e way it wo rks. Th is mana geme n ...
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3Com 1100 - page 34
34 C HAPTER 2: I NSTALLING THE S WITCH 169 50ua. bk Pa ge 3 4 T hu rsday, A ugus t 27, 19 98 11 : 55 AM ...
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3Com 1100 - page 35
A S AFETY I N FORMA TION Y ou m ust read th e followi ng safet y informa tion b e fore c arrying out any install ation or r e moval o f comp onents, or a ny m aintena nce pro cedures on the Switch 110 0. WARN ING: Warnin gs conta i n direction s that y ou must f ollow fo r your person al safety . F ollow all d irect ions care fully . Y ou mus t rea ...
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3Com 1100 - page 36
36 A PPENDIX A: S AFETY I NFORM ATION Important Safety In formati on ■ Install ation and re moval of the un i t mu st be ca rried o ut by qua lified pers onnel onl y . ■ I f install ing the Switch u nit in a stack wit h SuperStac k II Hub units , the Switch 1100 u nit must be insta l led below the nar r o wer H ub units. ■ The un it shoul d n ...
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3Com 1100 - page 37
Imp or tant S afe ty Inform at ion 37 ■ Franc e and Peru onl y This un it can not be p owered from IT † suppli es. If your supplies a re o f I T t ype, th is un it must be power ed by 230V ( 2P+T) via an isolati o n transf ormer rat i o 1:1, wi t h t h e se condary connec tion point label l ed Neutra l, conn e cted directly to earth (g r ound ) ...
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3Com 1100 - page 38
38 A PPENDIX A: S AFETY I NFORM ATION L ’in form atio n de Séc uri té Impo rtan te ■ L'insta llation et la dépose de ce gr o upe doive nt être conf iés à un pers onnel qua l if i é. ■ Si v ous enta ssez l'u nité Swi tch avec l es u n ités Su perStack II Hub, l'unit é Sw i tch 1100 do it être instal l ée en dessou s ...
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3Com 1100 - page 39
L’i nfor mat ion de S écur ité I mport ant e 39 que si l 'équipem ent auquel il est r ac cor dé f onctionne da ns les m êmes condi tions. ■ Fra nce et P érou unique ment: Ce groupe ne pe ut pas être al imenté par un dispositif à impéda nce à la ter r e . Si vos a liment ations sont du type impéda nce à l a t err e, c e groupe ...
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3Com 1100 - page 40
40 A PPENDIX A: S AFETY I NFORM ATION Wic hti ge Sicherh eitsinforma t ion en ■ Die Instal lation und der Ausba u des G eräts dar f nur durch Fach pers onal erfo lgen . ■ W enn die Switch 1100 Ein heit i n ein er Stap el mit ander en Super Stac k II Hub E inheit en eingeba ut werden soll, mu ß die Sw itch 1 100 Einhe it unter die schm aleren ...
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3Com 1100 - page 41
B P IN - OUTS Null Mode m Cable 9-pin t o RS-23 2 25-p i n PC- A T Seri al Cab le 9-pin t o 9-pin 169 50ua. bk Pa ge 4 1 T hu rsday, A ugus t 27, 19 98 11 : 55 AM ...
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3Com 1100 - page 42
42 A PPENDIX B: P IN - O UTS Modem Cable 9-pin t o RS-23 2 25-p i n RJ45 P i n Assign ments Pi n assignment s are id entic al for 10B ASE-T and 100BASE- TX RJ45 co nnectors Ta b l e 6 Pin assi gnments Pin Number Signal Functio n Ports c onfigu red as M DI 1 TxData + Tran smit dat a 2 TxData – Tran smit dat a 3 RxD ata + Receiv e Data 4 Not as si ...
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3Com 1100 - page 43
C T ECHNI CAL S PECIFICATIONS Physic al Dimensio ns Heigh t: 76mm (3.0 i n.) x Widt h: 483mm (19.0 i n.) x Dept h 300mm (12.0 in. ) Weight : 4.4kg (9 .7lbs ) Envir onment al Requir ements Operat ing T empe ratur e 0° to 50 °C ( 32° to 122 °F) Stor age T emperatu re –10° t o +70° C ( 14° to 158 °F) Operat ing Hum idity 10 t o 95% re lati v ...
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3Com 1100 - page 44
44 A PPENDIX C: T ECHNICAL S PECIFICATIONS Stan dards Supp orte d SN MP ■ SNMP protoc ol (RFC 1157) ■ MIB-I I (RFC 1213) ■ Bridge MIB ( RF C 14 93) ■ Repeate r MIB (RFC 1516) ■ VLAN MIB (RFC 1573) ■ RMON MIB (RFC 1271) ■ BOOTP (RFC 951) T erminal Emul ation ■ Telnet (RFC 85 4) Pro t oc ols Us ed for Adm inist rati on ■ UDP (RF C 7 ...
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3Com 1100 - page 45
D T ECHNI CAL S UPPO RT 3Com pr ovi des easy a ccess t o techn ical supp ort infor mation t hrough a vari ety of serv ices. Th is app endix d escrib es these s ervic es. Inform ation contained in this a p pendix i s correct at t ime of p ublicatio n. For the ve ry latest , 3 Com re commen ds that you acces s the 3Com Co rporati on World W ide We b ...
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3Com 1100 - page 46
46 A PPENDIX D: T ECHNICAL S UPPORT T o connect t o t he 3Co m F TP site, en ter th e foll owing in form ation in to yo ur F TP clie nt : ■ Hostname: ft p. 3c om .c om (or 19 2.156. 136. 12 ) ■ Username: anonym ous ■ Passw or d: <you r In tern et e- mail add re ss > A user na me a nd passwor d are not needed with Web b r ows er softw a ...
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3Com 1100 - page 47
Suppor t from Your Net work Su ppl ier 47 3ComFa cts Autom ated Fax Service The 3ComFac ts aut omated fa x servic e pr ovides techni cal art ic l es, diagr a m s, and trou bleshooting instruct ions on 3C om produc t s 24 hour s a day , 7 d ays a week. Call 3 ComFact s using yo ur T ouch- T one telep hone: 1 408 7 27 7021 Support fr om Y our Net wor ...
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3Com 1100 - page 48
48 A PPENDIX D: T ECHNICAL S UPPORT Below is a li st of wo rldwide tech nical tel ephone support numbe rs: Count r y Tel ephon e Nu mber Count ry Tel eph one Nu mber Asi a Paci fic Rim Austra lia China From any where in Chi na: From Sha nghai: Hong Kong In dia Indones ia Ja pan Ma la ysi a 1 800 678 515 86 21 6350 1590 10 800 3656 800 93 3 486 61 2 ...
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3Com 1100 - page 49
Retu r ni ng Produc t s for Rep air 49 Retu rning Produ cts fo r Rep air Before you send a pr odu ct directly t o 3Com for repair , you must f i rst obtai n a Retur n Ma t er i als Au thorization (RMA) n umber . Pr o ducts sent t o 3Com without RMA number s will be ret urne d to the se nder un opened , at th e sender ’ s exp ense. T o ob t ai n a ...
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3Com 1100 - page 50
50 A PPENDIX D: T ECHNICAL S UPPORT 169 50ua. bk Pa ge 5 0 T hu rsday, A ugus t 27, 19 98 11 : 55 AM ...
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3Com 1100 - page 51
G LOSSARY 10B A SE- T T he IEEE specific a ti on f or 10M bps Ether net over Category 3, 4 or 5 twist ed pair cable. 100B ASE- FX The IEEE spec ifica tion for 100 Mbps Fast Et hernet over fib er -optic ca ble. 100BA SE-T X Th e IEEE sp ecif icatio n for 100 Mbps Fast Et hernet over Categor y 5 t wis te d- pai r ca ble . auto- negoti at ion A fea tu ...
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3Com 1100 - page 52
52 G LOSSARY broa dca st st orm M u ltip le simultan eous br oadcast s that ty pic ally absor b all the avai lable netw ork bandwidt h a n d can cau se a netw ork t o fail. Broadca st st orms c an b e due t o fa ul ty net work de vic es. coll ision A te r m used to describe t w o col l iding packet s in an E the rne t network. Collision s are a par ...
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3Com 1100 - page 53
G LOSSARY 53 hub A device that r egen er ate s LAN t raf fic so that the tr ansmissio n dis tance of t hat signal c an be exte nded. Hubs ar e sim i lar t o re peater s, in that they c onnect LANs of t he sam e type; howeve r t h e y c onnect mor e LANs than a r epeat er and ar e gener ally more s ophist icated. IEEE I nstitute of Electri c al and ...
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3Com 1100 - page 54
54 G LOSSARY MA C ad dress M edia Access Cont r ol address; also c a lled ha r dware or phy sical address. A laye r 2 ad dr ess a ssociated with a particular networ k device . Most devic e s t h a t c onnect to a LAN ha ve a MA C address assi gned to t hem as they are used to identi fy o ther device s in a n etwork . MAC addr esses ar e 6 byt es lo ...
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3Com 1100 - page 55
G LOSSARY 55 SN MP Si mple Networ k M anagement Pr otoc ol. The c urren t IETF stand ard protocol for ma naging de vices on a n TC P/IP netw ork. stack A group of networ k device s that are int egrated t o form a single logi cal devic e. swi tch A de vice tha t in terco nnect s se ver al LA Ns to fo rm a si ngle log ica l L AN that comprises o f se ...
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3Com 1100 - page 56
56 G LOSSARY 169 50ua. bk Pa ge 5 6 T hu rsday, A ugus t 27, 19 98 11 : 55 AM ...
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3Com 1100 - page 57
I NDEX Numbers 10BASE- T ports 13 10BASE- T/ 100BASE- TX ports 13 3C num be r 15 3C om bul le tin b oa rd s erv ic e (3 Com BB S) 46 3Com URL 45 3ComF acts 47 A auto- neg otiat ing por ts 1 3 B bull etin boar d ser vice 46 C cab le choos ing the cor rec t 31 Matrix 16 max imum lengt h 13, 21 pin- outs 41 conso l e port 15 conve nt i ons noti ce ic ...
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3Com 1100 - page 58
58 I NDEX RJ45 42 ser ia l cab le 4 1 pin- outs 41 po rts 10BASE- T 13 10BASE- T/ 100BASE-T X 13 au to-nego tiat i ng 1 3 co nsole 15 matrix 16 powe r socke t 15 powe ring-up a S w it ch 11 00 30 pro duct name 15 R rack mounti ng a Sw itch 1100 24 Redunda nt Po wer System . See RPS re turning p roduc t s for r epa ir 49 RPS 15 co nnecti ng 30 soc k ...
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3Com 1100 - page 59
3C om Co r pora t io n L IMITED W ARRANTY S UPER S TACK ® II S WITCH 1100 H ARDWA RE 3Co m warrants thi s hardware p r od uct t o be free from defect s in workma nship and mat erials, und er normal use a nd s er vice, for the following le ngth of time from the d a te of pur c h a se fr om 3Com o r its a uth or iz e d re sell er : 3Com’s s ol e o ...
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3Com 1100 - page 60
Dead- or D efective- on-Arrival. In the e vent a p r oduc t co mpletely fails t o fun ction or exhibi ts a defect in mater i als o r wor kmanship wi thin the first forty-eight (48) hours of i ns t allatio n but no l ater t h a n thi r ty (30 ) days aft e r the date of purc hase, and th i s is ve rified by 3Com, i t will be c onsidered dead - or de ...
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3Com 1100 - page 61
EMC S TATEMENTS FCC S TA TEMENT T h is equi pment has be en tested and f ound to compl y with t he lim its for a Class A digital de vice, pursuant to part 15 o f the FCC r ules. These l imits a re designe d to provi de re a sonab le protect i on a gain st harmful int erfe ren ce wh en t he eq uip men t is o per ate d in a c om merc ial envi ronm en ...
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3Com 1100 - page 62
169 50ua. bk Pa ge 6 2 T hu rsday, A ugus t 27, 19 98 11 : 55 AM ...
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