3Com 5104M-FB1 manuale d’uso

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 ®[...]

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[...]

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[...]

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[...]

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 [...]

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 . . . . . . . . . . . . . . . [...]

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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

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[...]

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[...]

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[...]

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[...]

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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 [...]

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[...]

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[...]

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[...]

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[...]

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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[...]

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[...]

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:[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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 ?[...]

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 [...]

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[...]

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[...]

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[...]

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 [...]

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 [...]

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[...]

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 [...]

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 ❑ [...]

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[...]

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[...]

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 . [...]

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[...]

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 [...]

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[...]

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[...]

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 [...]

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[...]

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 [...]

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[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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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[...]

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[...]

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-[...]

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[...]

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 [...]

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[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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 [...]

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 [...]

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[...]

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:[...]

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 [...]

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[...]

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[...]

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[...]

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 ❑[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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 [...]

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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[...]

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[...]

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[...]

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[...]

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[...]

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 [...]

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[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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[...]

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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 [...]

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 [...]

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[...]

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[...]