3Com 5104M-FB1 manuel d'utilisation

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Le mot vient du latin "Instructio", à savoir organiser. Ainsi, le manuel d’utilisation 3Com 5104M-FB1 décrit les étapes de la procédure. Le but du manuel d’utilisation est d’instruire, de faciliter le démarrage, l'utilisation de l'équipement ou l'exécution des actions spécifiques. Le manuel d’utilisation est une collection d'informations sur l'objet/service, une indice.

Malheureusement, peu d'utilisateurs prennent le temps de lire le manuel d’utilisation, et un bon manuel permet non seulement d’apprendre à connaître un certain nombre de fonctionnalités supplémentaires du dispositif acheté, mais aussi éviter la majorité des défaillances.

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Tout d'abord, le manuel d’utilisation 3Com 5104M-FB1 devrait contenir:
- informations sur les caractéristiques techniques du dispositif 3Com 5104M-FB1
- nom du fabricant et année de fabrication 3Com 5104M-FB1
- instructions d'utilisation, de réglage et d’entretien de l'équipement 3Com 5104M-FB1
- signes de sécurité et attestations confirmant la conformité avec les normes pertinentes

Pourquoi nous ne lisons pas les manuels d’utilisation?

Habituellement, cela est dû au manque de temps et de certitude quant à la fonctionnalité spécifique de l'équipement acheté. Malheureusement, la connexion et le démarrage 3Com 5104M-FB1 ne suffisent pas. Le manuel d’utilisation contient un certain nombre de lignes directrices concernant les fonctionnalités spécifiques, la sécurité, les méthodes d'entretien (même les moyens qui doivent être utilisés), les défauts possibles 3Com 5104M-FB1 et les moyens de résoudre des problèmes communs lors de l'utilisation. Enfin, le manuel contient les coordonnées du service 3Com en l'absence de l'efficacité des solutions proposées. Actuellement, les manuels d’utilisation sous la forme d'animations intéressantes et de vidéos pédagogiques qui sont meilleurs que la brochure, sont très populaires. Ce type de manuel permet à l'utilisateur de voir toute la vidéo d'instruction sans sauter les spécifications et les descriptions techniques compliquées 3Com 5104M-FB1, comme c’est le cas pour la version papier.

Pourquoi lire le manuel d’utilisation?

Tout d'abord, il contient la réponse sur la structure, les possibilités du dispositif 3Com 5104M-FB1, l'utilisation de divers accessoires et une gamme d'informations pour profiter pleinement de toutes les fonctionnalités et commodités.

Après un achat réussi de l’équipement/dispositif, prenez un moment pour vous familiariser avec toutes les parties du manuel d'utilisation 3Com 5104M-FB1. À l'heure actuelle, ils sont soigneusement préparés et traduits pour qu'ils soient non seulement compréhensibles pour les utilisateurs, mais pour qu’ils remplissent leur fonction de base de l'information et d’aide.

Table des matières du manuel d’utilisation

  • Page 1

    ONline Ethe rnet 10 BASE -FB Module Installa tion and Operat ion Gu ide Do cu ment Nu mber 1 7-00 32 8-5 Prin ted Feb ruary 19 96 Mod el Nu mber : 5 10M- FBP 510 2M-FBP 51 04M- FB1 3Co m Corpo ratio n 118 T urnpike Road Southb oroug h, M A 0 1772 -1886 U. S.A. (508) 46 0-89 00 FAX (50 8) 460-8 950 ®[...]

  • Page 2

    i i ONli ne Et hern et 10 BAS E- FB M odu le Ins ta l la ti on an d O per at io n Gu ide Feder al Com munications Com mission Notice This equipment ha s been tested a nd found to comply with the limits for a Cla ss A digit al devic e, purs uant t o Part 15 of the FCC Rules. T hese limits a re de s igned to provide reasona ble protection again st ha[...]

  • Page 3

    ON lin e E th erne t 1 0B ASE-F B Mo dul e In st all at io n and Ope ra ti on Gui de ii i The 3Com Multich annel A rch itecture Comm unication s System is registered un der U. S . Patent Number 5,3 0 1, 3 03 . AT& T is a registered tradem a rk of America n T e lephone and Tele graph Compan y. Banyan and VINES are re gistered tra demarks o f Ban[...]

  • Page 4

    i v ONl ine Eth er net 10BA SE- F B Mod ul e In st all at io n an d Ope ra ti on G ui de[...]

  • Page 5

    Contents ONl in e Et he rn et 10 BA SE- F B Mod u le I ns ta lla ti on and Oper at io n Gu ide v How to Use T his Guide Au di en ce . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xii i Structu re of Th is Gu i de . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiv [...]

  • Page 6

    v i ONli ne Ethe rn et 10BA S E-FB Modu le I nsta l la ti on an d O per at ion Gu id e Ne t wor k Dis t an ce Cal cu l atio n Ex ampl es . . . . . . . . . . . . . . . . . . . . 2-1 9 Fiber Bac kbone , U nshield ed T wisted Pair to-th e-Des k . . . . . . . . . . . . . 2 -22 Fi be r Back bon e, C oax i al Con n ect i on . . . . . . . . . . . . . . . [...]

  • Page 7

    ONl ine Et h ernet 1 0BAS E-F B M odul e I ns ta ll ati on an d O per at ion Guid e vi i Appe ndix A — Specificati ons Ge ne r al Spe ci f ic at i on s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A - 2 Op ti ca l Sp ec if i ca t ion s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 8

    v ii i ON li ne Et he rne t 10 BASE - FB Modu le I nst al lat io n an d O p er at io n Gu ide[...]

  • Page 9

    ON li ne E ther ne t 10 BASE - FB Mo du le I nst al la tio n a nd O per at io n Gu ide i x Figures F i gur e 1- 1. 1 0B ASE -F B Modu l e Co nn ec t io ns . . . . . . . . . . . . . . . . . . . . . 1-5 Figure 2-1. 1700 Meter Fiber Li nk Wi th Mecha n ical S plice . . . . . . . . . 2 -1 2 Figure 2-2 . 2000 Meter Fiber Li nk Thro ugh T wo Patch Pa nel[...]

  • Page 10

    x ONl in e E ther net 10B ASE -F B M odul e I nst al l at ion an d O pe ra tion Gui de[...]

  • Page 11

    ON li ne E ther ne t 10 BASE - FB Mo du le I nst al la tio n a nd O per at io n Gu ide x i Tab les T ab le 1-1. 1 0B ASE -F B Modu l e Co mpa t ib il it y . . . . . . . . . . . . . . . . . . . . . 1- 6 T ab le 2-1. B as ic Netw or k Ru le s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2- 2 T ab le 2-2. Equ i val en t Fib er Di st a n[...]

  • Page 12

    [...]

  • Page 13

    ONli ne Ethe rne t 10 BASE -FB Mo du le I nst al lat i on and Oper at io n Gu ide x ii i How to Use This Guide This guide is design ed to he lp yo u und ersta nd th e f eat ures, indica tors, a nd insta l l ati on pro cedures for the: ❑ 3Com ONl in e ™ Etherne t Port -Switc hi ng 10BA SE-FB Mo dules (Mo del Num b ers 51 02M-FB P and 5 10 4M-FB [...]

  • Page 14

    x iv O Nli ne Ethe rn et 10 BAS E-FB M odu le I ns tal la ti on and O perat io n Gu id e Stru cture of T his Gui de This guide co nta in s the fol lowing c hap ters : Chapter 1, In troduction – Intro duces the prin cipal feature s of the ON line Etherne t Port-S witc hing 10 BASE-F B Modu les an d the ON li ne Ethern et 10BA SE-FB Mo dule . Chapt[...]

  • Page 15

    ONl ine E ther net 1 0B ASE-F B M odul e I nst all at io n an d O pera ti on Gui de xv Docu ment Conventi ons The fol lowing d ocum en t conv e ntion s are us ed in thi s m anua ll: Con ve ntio n Indicates Ex ample Courie r tex t Use r inp ut In th e Age nt In forma tion F orm , enter MIS in the New Con tact fi eld. System outpu t After pres sing t[...]

  • Page 16

    x vi ONl i ne Ethe rn et 10 BAS E-FB M odu le I ns tal la ti on and Oper at io n Gu ide Relat ed Doc u me nts This sec tion prov ide s info rmatio n o n s uppo rting d ocum enta tio n, inc ludi ng: ❑ 3Co m D ocu ment s ❑ Ref er e nc e Do cu men t s 3Com Documents The fol lowi ng doc umen ts prov ide addi tiona l inform atio n on 3 Com produ cts[...]

  • Page 17

    ON lin e E th erne t 1 0B ASE-F B Mo dul e In st all at io n and Ope ra ti on Gui de xvi i 6 -Sl ot ONl in e Sy st em Conc en tra to r I nst al la ti on and Oper at io n Guide – Exp la ins how to in stall, o perate , an d man age th e 3Com ONline 6-Slo t Sys tem Co ncent rator. ON lin e E th er ne t Man ag emen t M od ule Ins ta ll ati on and O p[...]

  • Page 18

    [...]

  • Page 19

    I ntr o duc tion 1 - 1 1 Int roducti on This chapte r intro d uces y ou to the : ❑ 3Com ONl in e ™ Etherne t Port -Switc hi ng 10BA SE-FB Mo dules (510 2M-FB P and 51 04M-FBP) ❑ 3Com ONl in e ™ Etherne t 10 BASE-F B Modu le (5104M -FB1) The modul es are re ferred thro ugho ut this g uide a s the 1 0BAS E-FB Mo dules. Inform ation in thi s g[...]

  • Page 20

    1 - 2 ONl ine E ther net 10B ASE-F B Mo dul e I nst all atio n an d Ope r ati on Gui de 10B ASE-F B Mod ule Desc riptions The ON line E thern et Port-S witch in g 10BAS E-FB Mo dule is a 2 - or 4-po rt, Etherne t fibe r mo dule d esign ed f or 3Co m ON line S yste m Conc entra tors. The ON line E thernet 1 0B ASE-FB M odule is a 4-port, Ethe rnet f[...]

  • Page 21

    I ntro ducti on 1 - 3 ❑ Includ e d iagnosti cs for tro ublesho oting ❑ Prov ide 1 0 Mb ps pe rform a nce wi th 100 perc ent co l l i s i o n dete ctio n using CSMA/CD ❑ Sup port 50 , 62.5 , 85, an d 100 µ m fib er cable ❑ A re sh ippe d wi th eithe r ST, SM A, or FC-ty pe co nnecto rs Other ben efits o f the 10BA SE-F B Mod ules i nc lude:[...]

  • Page 22

    1 - 4 ONl ine E ther net 1 0B ASE-F B Mo dul e I nst all atio n an d Ope r ati on Gui de 10B ASE-FB C ompliance The ON line E thernet Po rt-S witch ing 10B AS E-FB Mo dules an d the ONlin e Etherne t 10BAS E-FB Mo du le are ful l y co mplia nt w ith the IEEE 10BAS E-FB fiber stand ard. Th e IEE E ratifica tion o f the 10BAS E-FB s tand ard va l ida[...]

  • Page 23

    I ntro ducti on 1 - 5 Figu re 1-1 illus trates a confi gurati on us ing fiber tra nsce i v e rs and the 10BA SE-FB Mo dule s to co nnec t conc entrato rs and dev ic es . Figu re 1-1. 10 BASE -FB Modu le C onne ctio ns[...]

  • Page 24

    1 - 6 ONl ine E ther net 1 0B ASE-F B Mo dul e I nst all atio n an d Ope r ati on Gui de Compatibili ty W ith O ther E t herne t Fibe r P roducts The 10 BASE -FB Modul es are co mpatibl e with the 3Com produc ts outlin ed in Ta ble 1- 1. From the back plane interfa ce, you can also connec t the 10BASE -FB Mod ules to othe r Ethern et mo dules on th[...]

  • Page 25

    De s igning and Expa nd ing the N etwork 2 - 1 2 Desig n ing and Ex panding t he Network This chapte r co ntains co nfig uratio n inform atio n to hel p yo u desig n you r netwo rk. I t de scrib es how to con figure netwo rks us ing th e ONline Syste m Conce ntrato r and the ON line 10 BASE- FB Mod ules. I t a ls o pro vide s exam ples o f ne twork[...]

  • Page 26

    2 - 2 ONl ine E ther net 1 0B ASE-F B Mo dul e I nst all atio n an d Ope r ati on Gui de Underst a nding the General Rule s This sec ti on descri bes g enera l rul es for con f iguri ng an Ethern et ne twork using fib er as the back bo ne me di um. It also p rovides rul es to en sure tha t you r netw ork con f igura tion con forms to di stanc e l i[...]

  • Page 27

    De s igning and Expa nd ing the N etwork 2 - 3 2 ( c on’t) Wire the bac kb one i n a star to pology to i s o l a te fa ults. The s tar topo l o gy co nfo rms to FDDI wiring. Run a t least two fibe r stran ds to each ba ckbon e co nnect ion. 3 Do no t excee d the ma ximum Fi ber Ethern et netw ork di ame ter of 42 00 me ter s of fi ber ca bl e. Th[...]

  • Page 28

    2 - 4 ONl ine E ther net 1 0B ASE-F B Mo dul e I nst all atio n an d Ope r ati on Gui de 5 A ss ume tha t on e mete r of co axial or t w isted pai r cable is equa l to one meter o f fiber ca bl e. This is a con serva tive equiva le nc e. One meter of fi b er is a ctually equal to 1.1 m eters of coa xia l. F or simp li cit y, as sume one meter. 6 Ve[...]

  • Page 29

    De s igning and Expa nd ing the N etwork 2 - 5 Equivalent F iber D istances Equiv alent fib er dist ance is the sum of b oth the in com ing an d outg oing mod ule po rt si gnals. Diffe rent p roduc ts, h owev er, hav e d ifferen t equiva le nt distan ces. Tab le 2 -2 lists the equi v a le nt fiber d is tan ce of 3Co m ONli ne L AN prod ucts. Tabl e[...]

  • Page 30

    2 - 6 ONl ine E ther net 1 0B ASE-F B Mo dul e I nst all atio n an d Ope r ati on Gui de Determining M axim um F iber Link Dis tanc e s This section des cribes how to c alculate the m axim um al l owab le lin k distanc es betwe en two fiber po rts. To do thi s, you m ust kn ow the follo wing i nforma tion : ❑ 10B ASE-FB optic al po wer bud get ?[...]

  • Page 31

    De s igning and Expa nd ing the N etwork 2 - 7 Th e f o llow ing tab les as sist yo u in obt aini ng thi s inf orma t ion: ❑ Table 2 -3 - Lists the opti ca l powe r budget for the 10BAS E-FB Mo du le ❑ Table 2 -6 - Li st typ ical los ses fo r conn ecto r and spli c e ins ertio n loss ❑ Table 2 -7 - Lists ty pica l losse s for va rious fi ber [...]

  • Page 32

    2 - 8 ONl ine E ther net 1 0B ASE-F B Mo dul e I nst all atio n an d Ope r ati on Gui de Table 2-3 pro vides t he transmi t optical po wer ran g e s a nd requ ired rec eiver optica l pow er bu dget leve ls for the 10B ASE-FB M odules . Tabl e 2-4 provi des 1 0BAS E-FB Mo dule optic al p ower b udg et value s for high power. Table 2-3. ONline 1 0BAS[...]

  • Page 33

    De s igning and Expa nd ing the N etwork 2 - 9 Table 2- 5 pro vides inform ation on the 10B ASE-FB -specifi c optica l powe r budg et. Table 2-4. ONline 1 0BASE -FB M odule Opti cal Powe r Bu d g et: Hig h Pow er Cabl e Size Us ed (micro n) Tran smit Power (d Bm ) Receive Pow er (d Bm ) Opt ic al Pow er Bu dge t (d B) Link Loss Requ ired (d B) (ONl[...]

  • Page 34

    2 - 10 ONli ne Ethe rn et 10 BASE- FB Modu le Ins t al lati on and Op erat ion Gu ide Attenuat ion It is po ssibl e for receiv ers to rec eive to o muc h light when: ❑ Usi ng 85 /125 and 100/ 140 mi cron fibe r cab les ❑ Ports are clo se toge ther on a link R ecei vers ca n al so r ecei ve t oo muc h li ght on 62. 5 mic ron fib er an d Hi gh po[...]

  • Page 35

    De signi ng an d Expa ndi ng th e Netw ork 2 - 11 Table 2- 6 sh ows th e rang e of lo ss a nd th e typica l lo ss a s a result of sp lices . O p tical Fibe r Loss Even th ough fibe r op tic ca ble can c arry lig ht sig nals o ver a lon g dis tanc e, optica l pow er los s is a sig nifican t factor. Chec k your c able m anufa cturer' s rating o [...]

  • Page 36

    2 - 12 ONli ne Ethe rn et 10 BASE- FB Modu le Ins t al lati on and Op erat ion Gu ide Ma ximum Link Distance Calc ulat i on The fo llow ing e xamp les use th e info rmati on p rovide d in the p revious pag es to calc ulat e t he max imum al lo wabl e fi ber opt ic l ink di stan ce bet ween tw o ports . Exampl e : 1700 M eter Fibe r Link W ith Mech [...]

  • Page 37

    De signi ng an d Expa ndi ng th e Netw ork 2 - 13 3. Us e Ta ble 2-7 to dete rmin e th e wo rst ca s e los s for the 62 .5/125 fibe r cab le ( 1 700 meters x 5 dB = 8.5 dB ). A dd the losse s to determ ine tota l path lo ss. Th e total path lo ss is 9 .5 d B. B ecause the ov eral l pow er budg et is 10.0 dB , this leaves .5 dB to s pare, so the l i[...]

  • Page 38

    2 - 14 ONli ne Ethe rn et 10 BASE- FB Modu le Ins t al lati on and Op erat ion Gu ide 3. Us e Tab le 2-7 to determ ine the wo rst c as e loss fo r the 50 /125 fibe r cab le ( 2 000 meters x 5 dB = 10 .0 d B). Add the dB loss es to dete rmin e total path l oss. T he to tal pa th los s is 11 .5 dB. Th e 11 .5 dB o ptic al lo ss excee ds t he o ptica [...]

  • Page 39

    De signi ng an d Expa ndi ng th e Netw ork 2 - 15 Star Co nfigu ra tion Wire y our ne two rk in a s tar con figura tio n usi ng an ONl ine System Conce ntrato r as the c entral point in th e netwo rk. W iring in a star top o lo g y confi guratio n ha s two m ajor b enefits: ❑ Faul ts in the cable pl ant a ffect onl y a piec e of the ne twork ❑ [...]

  • Page 40

    2 - 16 ONli ne Ethe rn et 10 BASE- FB Modu le Ins t al lati on and Op erat ion Gu ide Serial Con figuration Use a se rial c onfigura tion ( sho wn i n Fig ure 2-4) for s maller d iamete r netwo rks that are n ot expe cted to gro w. Seri al co nfig uratio ns redu ce th e ove ral l ne tw ork di amet er by 19 0 mete rs fo r each c once ntra tor i n an[...]

  • Page 41

    De signi ng an d Expa ndi ng th e Netw ork 2 - 17 10BA SE- FB Modu le Config u rations The theo retic al maxim um d iamete r of an a l l fi ber Ethern et netw ork is lim ited to 4 .2 km as defi ne d by the 51. 2 µ sec slotti me that i s s pecified f or the roun d trip de lay bud get set by the IEEE 80 2.3 CSM A/CD p rotoc ol. (Thus, po int-to-p oi[...]

  • Page 42

    2 - 18 ONli ne Ethe rn et 10 BASE- FB Modu le Ins t al lati on and Op erat ion Gu ide 3. A UI cab les of up to 50 me ters a re not i nclude d in Ru le n umbe r 1, thus the to tal ne twork d i a m eter betw een fi ber Ethern et node s can b e 4110 me ters (4 200 m - 19 0 m + 50 m + 50 m = 4110 m) through a sin g l e con cent r ato r . Figur e 2-5 . [...]

  • Page 43

    De signi ng an d Expa ndi ng th e Netw ork 2 - 19 Network Distance Ca l culation Examples The fol lowing exam ples de monstra te how to ca lculate netwo rk d i s tanc es for vari ous a ll-fibe r netwo rks . Exampl e : Ne tw ork W ith 3 Co ncen tr ato rs Figu re 2-6 show s a netw ork w ith 3 co ncen trators. Figur e 2-6. Network W ith 3 Co ncentrato[...]

  • Page 44

    2 - 20 ONli ne Ethe rn et 10 BASE- FB Modu le Ins t al lati on and Op erat ion Gu ide 3. Sub tract the known am ount of fiber cable be tween the two trans ceivers: 1 km + 1 km + 1 k m = 3 km (R ule 5) 4. The rema ind er i s the max imum a llow able dist anc e of th e li nk betw een Co ncen trators A a nd C: 420 0 m - 57 0 m - 300 0 m = 630 me ters [...]

  • Page 45

    De signi ng an d Expa ndi ng th e Netw ork 2 - 21 In thi s exa mple, the path between trans ceiver s attach ed to Concen trators A and G has the g reate st fiber eq uival ent dista nce (42 40 mete rs), eve n thoug h the l ink d i stance is l ess tha n the A to H path (310 0 m eters v ersu s 3200 mete r s). Be cause 4 240 m eters e xceed s the 420 0[...]

  • Page 46

    2 - 22 ONli ne Ethe rn et 10 BASE- FB Modu le Ins t al lati on and Op erat ion Gu ide Fiber Backbon e, U nshielded Twiste d Pair to-the-Desk Config uring a n etwork with un shielded tw isted pa ir cab ling to-th e-desk i s simil ar to a n a ll -fiber netwo rk bec ause t he ca bling is s tar-wired in bo th ca ses. Be aware of the follow ing a dditio[...]

  • Page 47

    De signi ng an d Expa ndi ng th e Netw ork 2 - 23 Figur e 2-8. Sa mple Co nfigur ation D ista n ce Ca lculati on To determ ine i f your netwo rk c onfig urati on i s lega l: 1. Use 42 00 m as the max imum n etwor k di ame ter for a pur e f ibe r netw ork as de fine d b y th e 802. 3 sp ecifi c ati on. 2. Ca l culate the equi valent distanc es fo r [...]

  • Page 48

    2 - 24 ONli ne Ethe rn et 10 BASE- FB Modu le Ins t al lati on and Op erat ion Gu ide Fiber Backbon e, C oaxial C onnection When conn ectin g Thic k or Thi n Ethern et seg men ts to an ON line ne two rk , use an : ❑ ONl ine Etherne t Bridge Modul e ❑ ONl ine Etherne t Repe ater Mo dul e ❑ Externa l brid g e or re peate r If you u se a repea t[...]

  • Page 49

    De signi ng an d Expa ndi ng th e Netw ork 2 - 25 To de termi ne if t he co nfigurati on m eets Eth ernet di stanc e limita ti on s for Trans ceivers A an d B: 1. Use 42 00 m as the max imum n etwor k di ame ter for a pur e f ibe r netw ork as de fine d b y th e 802. 3 sp ecifi c ati on (R ule 3 ). 2. Sub tract the fib er equiva lent dis tance o f [...]

  • Page 50

    2 - 26 ONli ne Ethe rn et 10 BASE- FB Modu le Ins t al lati on and Op erat ion Gu ide Fault -Tole ra nt Confi gurati ons This sec tion co ntains de s c ription s of the red undancy fea tures bu ilt into the ONli ne 1 0BAS E-FB Mo dule s. Yo u can impl emen t link redu ndan c y b etwe en conc entra tors us ing the po rt red unda ncy switc h sett ing[...]

  • Page 51

    De signi ng an d Expa ndi ng th e Netw ork 2 - 27 Setting Redundancy When you en able redu ndan cy betw een two ports , the ports are au tom a tic ally enab le d. ❑ Port 1 (or 3) as the pri mary link , which pas s es data. ❑ Port 2 (or 4) as the red unda nt link, w hi c h do es not p ass da ta in ei ther dire ction . Howe ver, the li nk is m on[...]

  • Page 52

    2 - 28 ONli ne Ethe rn et 10 BASE- FB Modu le Ins t al lati on and Op erat ion Gu ide . Figur e 2-1 0. Re d unda nt Fiber Bac kbone Conf igurat ion Note: Al ways ena bl e redund ancy in the l o we r leve l co ncen trators (those conn ectin g to the c entral c onc entrators in the star-w ired to polog y). In any redun dant link path, o nly one end c[...]

  • Page 53

    De signi ng an d Expa ndi ng th e Netw ork 2 - 29 If the prim ary link exp erien ces a lo cal or rem ote fault (except Lo w Light): ❑ The b acku p link ac tiva tes wi thin 10 m illisec onds ❑ The p rima ry ports disc onne ct (that is , they d o not p ass da ta to an d from the conce ntrator) Howe ver, p rima ry port diag nostics co ntinu e to o[...]

  • Page 54

    2 - 30 ONli ne Ethe rn et 10 BASE- FB Modu le Ins t al lati on and Op erat ion Gu ide . Figur e 2-11. T o tal Ba ckbo ne Fau lt-T ole rant Config ura tio n Exampl e : Fiber N etwork w ith 3 Con c en trator s a nd a Four th Conce ntrato r in Ful l Redu nd a n cy Con figu rat i on In F igure 2 -12, thre e c oncentra tors are ac ti ve w here Conce ntr[...]

  • Page 55

    De signi ng an d Expa ndi ng th e Netw ork 2 - 31 . Figur e 2-1 2. Fibe r Ne twork W ith 3 Co ncentra tors In Fig ure 2 -12, the fib er equi va lent dis tance b etwee n transcei vers a ttache d to Co ncen trators C a nd D is: 3 * 190 m + 10 00 m + 1000 m + 500 m + 1 0 00 m = 4 070 m Beca use thi s is le s s than 42 00 me ters, the config urati on i[...]

  • Page 56

    [...]

  • Page 57

    I nsta ll ing an d Ope ra ti ng the Mo du le 3 - 1 3 Ins talling an d Operati ng th e Module This cha pter desc ribes the insta l latio n pro cedu res f or the: ❑ ONl ine Ethe rne t Port-Sw itchi ng 10BA SE-FB Mo dule ❑ ONl ine Ethe rne t 10BA SE-FB Mo dule For yo ur con v e nience , a q uick re ference in stall ation ch art is in cluded . This[...]

  • Page 58

    3 - 2 ONl ine E ther net 1 0B ASE-F B Mo dul e I nst all atio n an d Ope r ati on Gui de Note: Read the prec autiona ry proc edure s befo re unpa ck ing the mo dule . Prec autionary Proce dure s Elect ros tatic d i s charg e (ESD) c an dam ag e sta tic -s en s i ti v e dev ices o n circu it board s. Follo w these pre cauti ons when you ha ndle t he[...]

  • Page 59

    I nsta ll ing an d Ope ra ti ng the Mo du le 3 - 3 Unpacking Pro ce dures When unp acking you r 10 BASE-FB Modu le: 1. Ve rify tha t th e 10BA SE-FB M odul e is the c orrect m ode l by matc hi ng the m odel num ber li sted on the side o f the s hipping ca rton to the mo del n umber y o u orde red (Model N umbe rs 5102 M-FBP, 5 104M -FBP, or 51 04M-[...]

  • Page 60

    3 - 4 ONl ine E ther net 1 0B ASE-F B Mo dul e I nst all atio n an d Ope r ati on Gui de Qui ck Ins tal lation Table 3- 1 ou tline s the ste ps for in sta lling yo ur 10BA SE-FB Mo dule . Table 3-1. Q uick Insta llatio n Proce dures Step Proc edure Sec tion T it l e 1 Verify that you r netw ork c omp l ies w ith the bas i c rule s for netw ork d es[...]

  • Page 61

    I nsta ll ing an d Ope ra ti ng the Mo du le 3 - 5 Sett ing the Dip Sw itc h es The 10 BASE-F B Mo d ules ha ve tw o 10-p ositio n dip s witch es (S1 a nd S2) locate d on the b o a rd. Fi gure 3-1 s hows the dip switc hes on the 10BAS E-FB Modu les an d the f act ory se ttin g s. ❑ Dip sw itch S1 on the Port-Sw itching Modu le d iffers from d ip [...]

  • Page 62

    3 - 6 ONl ine E ther net 1 0B ASE-F B Mo dul e I nst all atio n an d Ope r ati on Gui de Figur e 3-1. 10 BASE-FB Module Dip Swi tch Lo cations Note: The Port-S witchin g 10 BASE -FB Modu le is a lso av ailabl e as a two-p ort m odu le (M odel N um ber 5 102M -FBP) for insta llatio ns t hat do not requi re fou r fi ber ports . W hen usin g the sw it[...]

  • Page 63

    I nsta ll ing an d Ope ra ti ng the Mo du le 3 - 7 Set ting Dip Switch S1 The S1 d ip sw itch o n the 10BAS E-FB Modu les ha ve 10 sw itches . The se switc hes a llow yo u to en able or di sabl e red unda nc y b etwee n ports 1 & 2 and 3 & 4 . Th e S1 di p swi tch on th e: ❑ Port-S witc hing 10BA SE-FB M odul e a l low s you to - assign e[...]

  • Page 64

    3 - 8 ONl ine E ther net 1 0B ASE-F B Mo dul e I nst all atio n an d Ope r ati on Gui de Table 3-3 li sts the functi o ns and se tting s for switch es 3 thro ug h 10. Table 3-3. D ip Switc h S 1 Setti ngs for Switc h es 3 to 10 CHA 0 CHA1 Cha nnel Se lect i o n Switc h S etting On On 1 ( fac tory de fault ) Off On 2 On Off 3 Of f O ff Isolate d Por[...]

  • Page 65

    I nsta ll ing an d Ope ra ti ng the Mo du le 3 - 9 Set ting Dip Switch S2 Dip switc h S2 on the 1 0BAS E-FB Modul es have 10 swit ches. Thes e sw itche s allow yo u to : ❑ Ena ble h igh or nor mal op tica l power for e ach por t ❑ Enab le or di sable a ny of the four p orts ❑ Ena ble o r d isa bl e lo w ligh t d ete cti on f or t he mo dule T[...]

  • Page 66

    3 - 10 ONli ne Ethe rn et 10 BASE- FB Modu le Ins t al lati on and Op erat ion Gu ide Install ing th e Mod ule You d o no t need to power down t he ON l i ne Syste m Co ncentra tor to install the 10B ASE-FB Mo dules. Y ou can ins er t o r remo ve the mo dule whi le the conc entra tor is op eratin g ( t his is cal led a hot sw ap ). To in stall a 10[...]

  • Page 67

    Ins t al ling a n d O perat ing t h e M od ule 3 - 1 1 3. Insert t he mo dule into the board gu ides at the top and b ottom of the slot and slide it into the co ncentra tor. Make sure that the c onn ector is w ell-sea ted into the back plane o f the co nc entrato r. Fig ure 3 -2 s hows the instal lation o f a 10 BASE-F B Modu le . Figur e 3-2 . Ins[...]

  • Page 68

    3 - 12 ONli ne Ethe rn et 10 BASE- FB Modu le Ins t al lati on and Op erat ion Gu ide . Figu re 3-3. 10 BASE -FB Modu le C onne ctio n 7. M a k e sure trans mit and rec eive c ables are : ❑ Clea rly m ark ed or co lor-c o ded. ❑ Conn ected to the ap propri ate po rts on the 1 0 BASE-FB Modu le. ❑ P r op erly cleane d wi th a n appro pri ate f[...]

  • Page 69

    Ins t al ling a n d O perat ing t h e M od ule 3 - 1 3 ❑ 3Com Faul t-Tole rant 10 BASE-F B Trans ceive r M ak e sure that the tra nsmit fib er at one end alway s conne cts t o a rece ive port at the o ther end. Caution : Do no t co nn ec t t his mo dule to a n ONli ne 10 BASE-F L Modu le or to a ny other pro duct tha t is no t com patib le with t[...]

  • Page 70

    3 - 14 ONli ne Ethe rn et 10 BASE- FB Modu le Ins t al lati on and Op erat ion Gu ide When an ONl ine m anage ment m odu le is ins talled in a conc entrat or, all of the dip switc h settin gs o n the 10 BASE-FL Modul e are ov errid den. When yo u first insta l l th e m o dule: 1. The n etw ork ( cha nnel) d efaults to i so lated m ode. Th e ports a[...]

  • Page 71

    Ins t al ling a n d O perat ing t h e M od ule 3 - 1 5 Selecting a Network Both m o d els of the Port-Sw itching Mo dule (Mo del Num bers 5102 M-FBP or 5104 M-FBP) supp ort Port-Swi tching te chnolo gy. This fea ture ena b l e s yo u to assign ea ch po r t on the m odule to a ny o f three Eth erne t netwo rks ( or isolat ed ) on the ON line Sy ste [...]

  • Page 72

    3 - 16 ONli ne Ethe rn et 10 BASE- FB Modu le Ins t al lati on and Op erat ion Gu ide Enabling Port Redundanc y You c an en able p ort redu ndancy in one of the followi n g wa ys: ❑ If you h ave ne twork manag ement , yo u can e nabl e or dis able main port redun dancy betwe en a ny tw o p orts on th e 10B ASE-FB Mod ule. ❑ If you do no t have [...]

  • Page 73

    Ins t al ling a n d O perat ing t h e M od ule 3 - 1 7 When you se t redund anc y betw een tw o ports on th e sam e 10B AS E-FB Modu le and t he prim ary port an d the red und ant po rt experi en c e a link failure si multa neou sly, an d you disab le red undan c y : ❑ The p rima ry port i s disa bled ❑ The re dunda nt port i s enable d Enablin[...]

  • Page 74

    3 - 18 ONli ne Ethe rn et 10 BASE- FB Modu le Ins t al lati on and Op erat ion Gu ide The 10BA SE-FB Mod ule-Sw itching Mo dule c an be se t to high or norm al pow er thro ugh the d ip sw itches (see Tab le 3-4 ). Saving Module Configuration To sa ve t he mod ule and po rt se tting s to ma nage men t modu le m emory , us e the follow ing co mman d:[...]

  • Page 75

    Ins t al ling a n d O perat ing t h e M od ule 3 - 1 9 This d isplay tells y ou th e status of the spe c ific port. It incl udes th e ma na ge ment and dip s wit ch s ett ings fr om the boa rd. The fol lowi ng com mand display s detai led inform atio n abo ut the 10 BASE-FB Modu le in sl ot 8 of the co ncen trator. ON li ne> sho w mo du le 8 ve [...]

  • Page 76

    3 - 20 ONli ne Ethe rn et 10 BASE- FB Modu le Ins t al lati on and Op erat ion Gu ide Figur e 3-4 . 10B ASE-FB Port -Switchi ng Mo dule F aceplate a nd ONline S ystem Conc entra to r[...]

  • Page 77

    Ins t al ling a n d O perat ing t h e M od ule 3 - 2 1 Table 3-5 de scribes ho w to inte rpret the 1 0BASE-FB Modul e LEDs. Table 3-5. Inte rpreting th e 1 0BAS E-FB Modu le LE Ds LED Na me Colo r State Ind ica tes Ac tivit y (Ports 1 -4) yellow Off No pa ckets are recei v e d o n the fibe r s egme nt. On Con stant ac tivity on th e fib er se g m e[...]

  • Page 78

    Verif y ing LED and Network As s ignme nt s Once you instal l the mo dule, verify its o peration throug h the fron t pane l of the ON line Contro l ler Mo dule . The Contro ller Modul e is equip ped with a n LED c heck button o n th e fron t panel . U s e th e LED check button to: ❑ Verify LED opera tion ❑ Verify netwo rk (chan nel) as s i gnme[...]

  • Page 79

    T roub les hoot ing 4 - 1 4 Tr ou bl esh oo ti ng This cha pter desc ribes fault con dition s an d tro ublesho otin g p roce dures for the ONl ine Etherne t 10BA SE-FB Mo dules. Th i s chapt e r contai ns th e fol l o w in g sect ions: ❑ Trou bleshooti ng U s i ng the Port A ctiv it y LED s ❑ Trou blesho ot i n g Using the Port Statu s LEDs ❑[...]

  • Page 80

    4 - 2 ONl ine E ther net 1 0B ASE-F B Mo dul e I nst all atio n an d Ope r ati on Gui de Trouble s hoo ting Using t he Po rt Ac ti vit y LEDs If a port Activity LED does n ot light, use Tabl e 4-1 to help troublesho ot the probl em. Table 4-1. T roubles hoo ting Us ing the Port A c tivity LE Ds LE D St ate Pos sible Cau se Corre ct i v e A ction Of[...]

  • Page 81

    T roub les hoot ing 4 - 3 Trouble shoo ting Us ing t h e Port Stat us LED s A blin k i ng Port Sta tus indicat or is al ways a s i g n that the port dete cts a potential problem. On ce a po rt detect s a problem, yo u c an further ana lyze the p roblem by coun ting the num ber of b l inks. Tab le 4-2 provi des troubl es hooting s ugges tio ns for e[...]

  • Page 82

    4 - 4 ONl ine E ther net 1 0B ASE-F B Mo dul e I nst all atio n an d Ope r ati on Gui de 1 Bl in k No L ight Re ceiv ed Cab les c rosse d. Veri fy T X on rem ote dev ice is conn ected to RX on 10B AS E-FB Modu le. Insuffi cien t op tica l pow er recei ved . Check 10B ASE-FB Mod ule opti ca l pow er usin g a light me ter. Try H i gh po wer o n re mo[...]

  • Page 83

    T roub les hoot ing 4 - 5 2 Bl in ks J abbe r L oo p in net work . D is conn ect ea ch l ink in th e ne twork one at a time to isolate the lo op . Bad 1 0BASE-FB Modu le. Re pl ace mo du le . 3 Bli nks Partitio n Loop ed fibe r ca ble. Re m ove loop ed ca ble. 4 Bl in ks R emot e Faul t Rem ote devi ce detec ts a probl em. Check rem ote de vice&apo[...]

  • Page 84

    4 - 6 ONl ine E ther net 1 0B ASE-F B Mo dul e I nst all atio n an d Ope r ati on Gui de 5 Bl in ks I nval id D ata R ec ei ve li ght inten sity to o hig h. Verify th at recei ved optic al po wer le vel is correct. Re fer to Chapte r 2 (Lin k D ist ance s). Conne cti o n mad e to 10BASE- FL Modu le. Unplug the conn e c ti o n. 10 BASE -FL i s not c[...]

  • Page 85

    T roub les hoot ing 4 - 7 Tech ni cal As sist anc e You c a n receive a s s i s tance fo r ins talling a nd trou b l eshooti ng the 10B ASE-FB Modu l e by calling ei ther yo ur 3Co m reseller or 3Com Technical Support. B e prepa red t o supp l y a repre sentativ e with the fol lowin g info rmati on: ❑ Des cripti on of the problem ❑ Step s yo u [...]

  • Page 86

    [...]

  • Page 87

    Sp eci fica tions A - 1 A Sp eci fi cation s This app endix lists spec ificat ions fo r the Po rt-S w itc hing 1 0BAS E-FB Modul e and the 10 BASE-FB Modu le. Spe c i ficati on di f f e rences b etw ee n the Port-Sw itchi ng 10 BASE-F B Modu le and the 10B ASE-FB M odul e are in d i cated . Specifi ca ti o ns for the mod ules inc lu de: ❑ Ge nera[...]

  • Page 88

    A - 2 ONl ine Ethe rnet 10BAS E-F B Modu le I ns ta lla tion and Oper atio n Gu ide Gene ral Spec ifi cat ions Tabl e A-1 lists gene ral sp ecific atio ns for t h e 10B ASE-FB Modul e. Tabl e A-1 . Gene ral Spe cific atio ns 1 0BAS E-FB Modu le M od el Nu mber s 51 02M- FBP 51 04M- FBP 51 04M- FB1 Colli sion De tec tio n 100 % d eterm inistic Confi[...]

  • Page 89

    Sp eci fica tions A - 3 Opti cal Spe ci ficat ions This section lists the op tica l specifi cations for the 10 BASE-FB Mo dule, in clu ding : ❑ Tran smitter Sp ecifica tions ❑ Re ce iver Spe cif ic ati ons ❑ Sup ported Fib er Optic Cab le s ❑ Fibe r Optic I nterface Transmitte r Specificat ions Lig ht S o urce: GaA1As LED at wa velength 820[...]

  • Page 90

    A - 4 ONl ine Ethe rnet 10BAS E-F B Modu le I ns ta lla tion and Oper atio n Gu ide Receiver S pecificatio ns Tabl e A-3 lists recei ver sp ec ifica tions for the 10B AS E-FB M odul e. Supporte d F iber Optic Ca bles You c an us e the followin g fibe r optic cables with the 10B ASE-FB Mod u le: ❑ 50/1 25 ❑ 62. 5/1 25 ❑ 85/1 25 ❑ 100 /140 Th[...]

  • Page 91

    Sp eci fica tions A - 5 Fiber Op tic Interface Tabl e A-4 lists sp ecific atio ns f or t he fi ber o ptic inte rface. Powe r Re quireme nts Tabl e A-5 li sts po we r req uire m ents fo r the 10 BASE -FB Mod ule. Table A-4 . Fiber Optic Interfac e Spec ifica tio n s Dat a Ra te 1 0 Mb ps ( milli on b its pe r se cond ) Data Mo dula tion Manc heste r[...]

  • Page 92

    A - 6 ONl ine Ethe rnet 10BAS E-F B Modu le I ns ta lla tion and Oper atio n Gu ide Environme ntal Spe c ifi cat ions Tabl e A-6 lists elec trical spec ificat ions fo r the 10BAS E-FB M odul e. Mech anical Specifi cat ions Tabl e A-7 lists me ch an ical s p ecific atio ns f o r the 10B ASE-FB Mo dul e. 3Com 10 BASE -F B Ne twork Pro duc t s This s [...]

  • Page 93

    Sp eci fica tions A - 7 ❑ 3Co m Fault-T olerant 10 BASE-FB Transce iver - The 3Com Faul t-Tol erant 10 BASE -FB Tran sceiv er (Mode l Num ber 51 02T-F BFT) prov ides fault tole rance to-the -deskto p. The trans ceive r co nnects an exis ting netw ork to a fault-to l eran t fibe r back bone netw ork. I t also prov ide s a fault- tolera nt ne twork[...]

  • Page 94

    A - 8 ONl ine Ethe rnet 10BAS E-F B Modu le I ns ta lla tion and Oper atio n Gu ide 10BASE -FB Con nectors The 10BA SE-FB Mod ules a re av ailab le in bo th S MA-typ e, S T-typ e, a nd FC-type fiber co nnec tors for d irect co nne cti on t o a Fibe r Ethe rnet L AN . When you orde r a 1 0BASE-F B Mo dule, use the part num bers li sted i n Table A-8[...]

  • Page 95

    Te chni ca l Supp ort B - 1 B Tec hn ic al Sup port 3Com provid es easy ac cess to te chnica l supp ort info rmati on throu gh a va rie ty o f ser vice s. T hi s ap pend ix d escr ibe s th e f oll owi ng se rvic es: ❑ On-li ne Techn ical Sup port ❑ Supp ort f rom Yo ur N etw ork Su ppli er ❑ Supp ort f rom 3C om ❑ Retu rning Produ cts for R[...]

  • Page 96

    B - 2 ONl ine Et her net 1 0BA SE-F B Mod ule I nsta llati on Gui de Email Technical Support You ca n conta ct the Inte grated Sy stems Di vi sion (form erly Chi p c om) on the Intern et for techn ical sup port us in g the e-m ail ad dress te chsu pp@ch ipco m.c om. World Wide Web Site You c an acce s s the l atest n etwork ing in formati on on the[...]

  • Page 97

    Te chni ca l Supp ort B - 3 When you con t act your network sup p lier f or assistance , have the fo l lowing inform ation rea dy: ❑ Di agn ost ic err or me ss age s ❑ A lis t of system hardw are an d softw are, in cludi n g revisi on levels ❑ D etails abo ut rec ent co nfigu ration cha nge s, i f a pplica ble If you a re unab le to co ntac t[...]

  • Page 98

    B - 4 ONl ine Et her net 1 0BA SE-F B Mod ule I nsta llati on Gui de For acces s to c ust omer se rvi ce for all 3 Com pr oduct s, cal l ( 800) 876 -32 6 6. You c an also conta ct th e In teg ra ted S ystem s Divis ion (ISD) o n the I nterne t by us ing the e-m ail a ddress tech supp @chip c o m.com . Returni ng Produ c ts for R epair A prod uct se[...]

  • Page 99

    Te chni ca l Supp ort B - 5 3. Enter yo ur full Interne t e-m ail a ddres s as the p a sswo rd (for exam ple, jdoe @com pany. co m ). 4. Change to the mib or s c hema d i rectory us i n g the cd /pub /mib s or cd /p ub/ mi bs /s ch em as com man d. 5. To v iew th e 3Com MIB , OID, o r s chema e ntri es, en ter the di r co mmand. ❑ To pa use the d[...]

  • Page 100

    [...]

  • Page 101

    Ind ex 1 Index Numer ics 10BAS E-FB Comp lian ce , 1-4 Stan dard , 1 - 4 10BAS E-F B Fiber Transce ive r , 1 - 2 10BAS E-F B Link s D ete rmin e Ma ximu m Di stan ce , 2-6 10BAS E-F B Modul e Assi gn a Netwo rk , 3-15 Co nfig uring , 3-13 Descri ptions , 1-2 Enabl e and D i sabl e Port s , 3-14 Fa ult -T ol er an t Conf ig ur at io n , 2-26 Fe a t [...]

  • Page 102

    2 Ind ex Opt ical Powe r , 3 - 9 Por t Enab le/D isabl e , 3-9 Redund ancy Ena bl e/Di sabl e , 3 - 7 Disable Redunda ncy , 3-16 Distance Limi t ation s , 2-5 E Elect rostatic D ischar g e (ESD ) , 3-2 Enabl e Redunda n cy , 3-16 Ena b le/D isabl e Po r t s , 3-14 Equiva lent Fiber Di stance , 2-5 Ether net 10B ASE-F B Modul e F ro nt Pa nel LE Ds [...]

  • Page 103

    Ind ex 3 Mo dul e Conf ig ur ati on Savin g , 3-18 Showi ng , 3-18 N Net w ork Co nf ig ur atio n Rul es , 2 - 2 Net w ork Se l ecti o n Dip Swi tch Se tting , 3 - 8 networ k supplier support , B-2 No Lig ht Cond iti on , 3-14 O ONdem and Netwo rk Con t rol System , 1-3 Mana gement Supp ort , 1 - 3 ONl in e Co nt ro ller Mo dul e , 3-2 2 ONlin e Et[...]

  • Page 104

    4 Ind ex TriChan nel Ar chit ectur e , 1-3 Troub l eshoo t i ng Tech nica l Assist an ce , 4-7 Usi ng t he A ctivit y LED s , 4-2 Using t he St a tus LE Ds , 3-21, 4-3 U Unpack ing Proced ures , 3-3 Unshiel de d Twist ed P air Cabl e , 2-22 V VDE compliance , i i Ver i fyin g LED Ope rat io n , 3-22 Netw or k Assig nm ent , 3-22[...]