Manuale d’uso / di manutenzione del prodotto 5104M-FB1 del fabbricante 3Com
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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.
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.
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.
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 .
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 . . . . .
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 .
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 . . . . . .
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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 ins.
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 .
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.
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: .
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.
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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.
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.
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.
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.
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 .
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.
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.
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.
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.
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.
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.
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.
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 l.
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.
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: .
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.
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.
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 .
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 .
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.
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.
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.
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.
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 .
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.
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.
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).
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.
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.
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 .
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.
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.
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 .
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).
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 .
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 t.
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 .
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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 .
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.
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 .
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 .
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.
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 .
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 .
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.
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 o.
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 ).
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.
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.
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.
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.
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.
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.
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 .
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 ).
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.
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.
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 .
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.
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.
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.
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 .
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 - 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).
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.
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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 .
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.
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 i.
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.
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.
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.
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.
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 .
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.
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.
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 .
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.
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.
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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 .
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-.
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.
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 U.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il 3Com 5104M-FB1 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del 3Com 5104M-FB1 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso 3Com 5104M-FB1 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul 3Com 5104M-FB1 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il 3Com 5104M-FB1, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del 3Com 5104M-FB1.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il 3Com 5104M-FB1. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo 3Com 5104M-FB1 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
