3Com 5104M-FL1 manuale d’uso

ONline Ether net 10BASE-FL Module Inst allation and Operat ion Guide Doc umen t Nu mber 17 -0 04 70-3 Print ed March 1 995 Model Nu mb er: 5 104 M -FL1 3Co m Co rporatio n 118 T urnpike Road South bo r ough , MA 0 177 2-188 6 U.S.A. (5 0 8) 46 0- 8 90 0 F A X (50 8) 46 0-8 950 ®[...]

ii O Nline Ethern et 10B ASE-F L Modu le Installat ion and O per ation G uid e Federal Commun ication s Co m mission Notice Th is equi pment has been t este d an d f o und to com ply with the limits for a Class A digital device, pursu ant to P art 15 of the FC C Rules. These limits are designed to provide reasonable protection against ha r m fu l i[...]

ONline Ether net 10 BA SE-FL M odule In stallatio n and Operatio n G ui de iii Arte l, Ch i pcom, E ther modem, Galactica, ON cor e, ORnet , Star Bridge, an d T riChannel ar e re gister ed trademark s of 3Com Corporat ion. Chipcom OpenHu b, G- Man, LAN sentry , MultiPr obe, ONdemand, ONline, ONs emble, PowerRing, SL2000, SL3000 , S L40 00, Stac k J[...]

iv O Nline Ethern et 10BA SE-FL M odule Instal lation and O peratio n Guid e[...]

Contents ON line Eth ernet 10 BASE-FL Module In stallation and Operatio n Gu ide v How to Use This Gu ide Audien ce . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii Structu r e of This Gui d e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiv Docum ent Co nv entio[...]

vi O Nline Eth ernet 10BA SE-FL M od ule Installatio n and O peratio n G u ide 10BA S E-FL Backbon e , 10BASE-F L to- the-D e s k . . . . . . . . . . . . . . . . 2 -16 Networ k Distanc e C alcu latio n Exam p le s . . . . . . . . . . . . . . . . . . 2 -18 10BAS E-FL Backbon e , Unshielded Twisted Pair to-the-Desk . . . . . . 2-20 10BA S E-FB Fiber [...]

ONli ne Ethernet 10 BASE- FL Mod ule Installation and O per ation G uide vii Append ix A — S pecificatio ns General Specificat ion s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 Opti cal Specificatio ns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2 Transmit ter Specif icatio n[...]

viii O Nlin e Eth ernet 1 0BASE-F L Mo dul e Installat ion a nd O perat ion Gu id e[...]

ONline Ether net 10 BA SE-FL M odule In stallatio n and Operatio n G ui de ix Fig ures Figure 1- 1 . 10BA S E-FL M od ule Conn ectio ns . . . . . . . . . . . . . . . . . . . 1-4 Figure 2- 1. 2000 Meter Fib er Lin k With M echan ical Spl ice . . . . . . . 2-11 Figure 2-2. 1700 Meter Fiber Lin k Through Two Patch Panels . . . . . 2-12 Figure 2- 3 . S[...]

x O Nl ine Ether net 10 BA SE-FL M odule In stallatio n and Operatio n Gui d e[...]

ONline Ether net 10 BA SE-FL M odule In stallatio n and Operatio n G ui de x i Ta ble s Table 1-1. 10BAS E-F Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Table 2-1. Seven Basic Network Rules . . . . . . . . . . . . . . . . . . . . . . . . 2-2 Table 2-2. LAN Prod uc t Equivalent Distanc e s . . . . . . . . . . . . . . . . . [...]

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O Nline Et herne t 10B ASE-FL Mo dule Installat ion a nd Oper ation G uid e xiii How to Use This G uide This guide is designed to help you underst and the features, indicators, and installation procedure for the 3C om ON line™ Et hern et 10BASE-F L Mo du le (Model Number 5104M -FL1). Infor mation on troubleshoot ing and diagno s tics are inc lude[...]

xiv O Nline Eth ernet 10BA SE-FL M od ule Installatio n and O peration G u ide Structu re of This Gui de This guide co ntains the follow ing chap ters and append ix: Chapt e r 1 - I n troduction – Intr o duces the principal features of the ONline Ethern et 10BA SE-FL Mod ule. Chapt e r 2 - De signi ng and Expa nding the Network – Shows and expl[...]

ONli ne Ethernet 10 BASE- FL Mod ule Installation and O per ation G uide xv Docu ment C onve nti ons This se ctio n describes doc umen t con vention s. T e xt Con ve ntio ns T ext Co nvent ion Ex ampl e System ou tput Cour ier text After yo u cli ck App ly , th e system display s the me ssage Tran smit ting Data . User input In the A gent I nfo rma[...]

xvi O Nline Eth ernet 10BA SE-FL M od ule Installatio n and O peration G u ide Notes, Caution s, and W ar nings A note ind icates inform ation that is im po rtan t : Note: Use ST P lobe cabl es for your system . A cautio n indicates a con dit ion t hat m ay dama ge so ftw are or hardware: Caution: Do not put y our i nstallation d iske ttes on a mag[...]

ON line Ethernet 1 0BASE-F L Mo dul e Installation an d O peration Guide xvi i 17-Sl ot ONlin e Syste m Conce ntra tor Installa tion a nd Opera tion Guid e – Explains how to in stall, operate , and manage th e 3Com O Nli ne 17-Slot System C oncent rator ( Models 5017C -LS and 5017C wit h load sharing ). 6-Slot O Nline System C oncent rator Instal[...]

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Introd uct ion 1 - 1 1 Introduction This chapter in tr o duces you to the 3Com ONline ™ E t hern et 10BASE-F L Modu le ( Mod el N um ber 51 04-FL1 ) and provid es an overvi ew of its featu r es . This chapter co ntai ns the fo llowin g s ectio ns: ❑ 10B ASE-FL Mo dul e D escrip tio n ❑ 10B ASE-FL a n d FOI RL IEEE Standards Com pari son ❑ T[...]

1 - 2 ONl ine Ethern et 10 BA S E-FL Installatio n and Op eration G uide 10BASE-FL M odul e Des criptio n The ONline Ether net 1 0BASE-FL M odule is a 4-por t, fi ber repeater module designe d for the 3C om ONlin e System Concen trator . Th e module provide s 10BAS E - FL backbone connectiv ity fo r Ethern et local area netwo rks. It also provide s[...]

Introd uct ion 1 - 3 10BASE-FL an d FOI RL IEEE S tand ard s Co mparis on 10BAS E -FL is a subpart of a IEEE standard called 10BASE-F (80 2.3, section 18), wh ich standardiz es three types of Ether net-ov er -fi ber op tic cable . T able 1- 1 descr ibes ea ch 10 BA SE-F standard Theory of O perati o n Use the 10BA SE-FL M odul e to connect directly[...]

1 - 4 ONl ine Ethern et 10 BA S E-FL Installatio n and Op eration G uide . Figure 1-1. 1 0 BASE-FL M odule Conne ctions[...]

Designin g and Ex panding the Netwo rk 2 - 1 2 Designing a nd Expanding the Network This chapter con tains config uration inf ormat ion that will help you to pl an your netw ork . Install all equipm ent usin g only approved cables for prop er operation. Refer to Appen dix A, the section Fiber Cables and Conn ectors, for i nform ation on fib er c ab[...]

2 - 2 ONl ine Ethern et 10 BA S E-FL Installatio n and Op eration G uide Unders tand ing the Gen eral R ules This se ction descr ibes general rules for configuring an Ether net netw ork using f iber as the backbon e m edium. It also p r ovid es rules t o ensure that your net work con figurati on conf orms to distanc e l imitati ons im posed b y Eth[...]

Designin g and Ex panding the Netwo rk 2 - 3 2 W ire the bac kbone in a star t opology to isolate faults. Ma k e sure to lay extra fiber cables. The extra cost is small an d you will find you need them as y our netw ork grow s . The star topol og y confo rm s to FDDI wirin g as well -- just m ake sure to run at least two fib er strand s to every ba[...]

2 - 4 ONl ine Ethern et 10 BA S E-FL Installatio n and Op eration G uide 5 Assume th at one meter of coaxial o r twisted pair is equal to one meter of fiber cable. This is a conservative ru le of t humb. For examp le, the actual eq uivalence is about 1 .1 meters of co axial fo r e very meter o f fiber . F or sim p licit y , a s su me one meter . 6 [...]

Designin g and Ex panding the Netwo rk 2 - 5 LAN E q uiv ale nce LAN equ ivalen c e i s the su m of both the inc om in g and o ut going modu le port signals. Differe nt m odules, however , have dif f er ent eq uivalent distances. T a b le 2 -2 lists the LAN product equ ivalent distan ces. T a ble 2-2. LAN P roduct Equiv alent D istanc es LAN Pr odu[...]

2 - 6 ONl ine Ethern et 10 BA S E-FL Installatio n and Op eration G uide Determining Maximu m 10B ASE-FL Link Distanc es This se ctio n describes how to cal cul ate the m aximu m allow able link distances betwe en two 10 BA SE-FL ports. T o do thi s, you m ust know the foll owing info rm ation: ❑ 10B ASE-FL Mo dul e o ptical (link) po wer budg et[...]

Designin g and Ex panding the Netwo rk 2 - 7 Determinin g Link Budget As a network plan ner or installer , account for worst case losses through th e optical con nection , end -to-end , to ensure lin k int egrit y . T he optical po wer budg et represents a “wor st case” assumin g the transmit ter is tran smittin g at the low end of its range . [...]

2 - 8 ONl ine Ethern et 10 BA S E-FL Installatio n and Op eration G uide Note: The valu es in T ab le 2-3 are pe ak pow er values. Y ou determ ine averag e optic al pow er by subtr acting 3 d Bm fr om the peak valu e. All of th e examples provid ed in th e pages that foll ow refer to peak op tic al powe r . Note that higher o ptical pow er is r epr[...]

Designin g and Ex panding the Netwo rk 2 - 9 In such cases, some atten uatio n is r equired to prevent th is pr oblem . This attenuatio n is usually cov ered by: ❑ A m oderate link length ❑ Th e fi ber op tic c on necto r s Splicin g Many fib er optic in stallatio ns emplo y the use of patch panels to ma n age expansion and t opological changes[...]

2 - 10 ON lin e Ethernet 10B ASE-FL Installation and Operat ion G uid e T able 2- 4 s hows t he range of loss and th e typical lo ss a s a r esult of splice. Opti c al Fibe r Lo ss Even tho ugh fiber o ptic cable can carry light signals ov er a lo ng distan ce, optical power loss is a sig nificant factor . C heck your cable m anufacturer's rat[...]

Des igni ng a nd Ex pand ing the Net wor k 2 - 11 Max imum Link Distance C alculation The fo llowin g exam p les use the inf ormat ion provided in t he prev ious p ages to calcu late the m aximu m allow able fiber o ptic lin k distan ce bet ween two ports. Exam ple : Fi ber Li nk Wit h Mec hani cal Sp li ce In the follow ing examp le, two ONline Co[...]

2 - 12 ON lin e Ethernet 10B ASE-FL Installation and Operat ion G uid e Exam ple : Fiber Link Thr ough Patch Panels Figure 2-2 illu strates two O Nline Co ncen trato rs are separated by 170 0 meters of fiber cab le with two patch p anels in between. If we u se 50/125 fiber cable, the op tical p ower budg et a ccordin g to T abl e 2-3 is 10.0 dB . .[...]

Des igni ng a nd Ex pand ing the Net wor k 2 - 13 Cho osi ng a Netw ork Bac kb o ne C abl ing Structu re Becaus e of fi ber's long-d istanc e capab ilities and immu nity to no ise, 3Com str ongly r ecommends using f iber as t he backbone . Y ou can choose between two fundam ental confi guration t opologies when connecti ng your networ k backbo[...]

2 - 14 ON lin e Ethernet 10B ASE-FL Installation and Operat ion G uid e . Figure 2-3. S tar -Wiring Config ur ation Serial C onfig uration Use a serial c on figuratio n (Figu r e 2-4) for smaller d iameter n etwo rks tha t are not expec ted to gr ow . S e r ial con figuratio ns redu ce th e o verall networ k diameter (by 560 meters for each concent[...]

Des igni ng a nd Ex pand ing the Net wor k 2 - 15 . Figure 2 -4. S erial Configuratio n Us i ng 10BASE-FL Module s 10BASE-FL M odul e Co nfig uration s The theoretical maximu m diameter of an all fiber Ethe r net netwo rk is limit ed to 4.2 km as def ined by th e 51.2 µ sec slottime that is sp ecified fo r the r oun d trip-d elay budg et set by th[...]

2 - 16 ON lin e Ethernet 10B ASE-FL Installation and Operat ion G uid e This se ctio n describes the fo llowin g scenario s : ❑ 10B ASE-FL Backbone, 10 BAS E - FL to-th e-Desk ❑ 10B ASE-FL Backbone, Un shielded T wisted Pair t o-the-De s k ❑ 10B ASE-FB Backb one, 10 BA SE-FL to -th e-Des k 10BAS E-FL B ackb one, 10 B ASE-FL to -the -Desk When[...]

Des igni ng a nd Ex pand ing the Net wor k 2 - 17 4. Each 1 0BASE-FL Module counts a s one h alf of a repeater . The 802.3 specific ation limits th e numb er of repe at ers between any tw o netwo rk statio ns to 4 . This r es trict s t he nu mber of serially-c on nected 10B ASE-FL Mo dule s to a m ax imum of 8. Note: The Ether net 4-r ep eater rule[...]

2 - 18 ON lin e Ethernet 10B ASE-FL Installation and Operat ion G uid e Network Dista nce C alculation Examples The foll owing exam ples demo nstrate how to calcu late networ k distances for v ariou s al l-10BA SE-FL n etwo rks. Exam ple : A N etwork with 3 Co ncentrator s Refer to Fig ure 2- 5, wh ich show s a networ k with 3 con cen trato rs. T o[...]

Des igni ng a nd Ex pand ing the Net wor k 2 - 19 . Figure 2-6. Ne t work with 6 Concentrato rs In this example, the path betw een transceivers attaching C oncentrators A and F has the gr eatest fiber equ ivalent distance of 4440 meters (2200 + (4 * 560) = 44 40). Because t his distance exceeds th e maximum of 4200 meters, this config uration is il[...]

2 - 20 ON lin e Ethernet 10B ASE-FL Installation and Operat ion G uid e Becaus e it i s no t always obvious which path b etween tran sceivers ha s the gre at est fi ber equivalent distance, use T able 2-6 to help you determine the equivalent distanc es. 10BAS E-FL B ackb one, Un shi eld ed T wisted Pair to-th e-Desk Designin g a netw ork with u nsh[...]

Des igni ng a nd Ex pand ing the Net wor k 2 - 21 Be aware of the fo llowin g tw o add itional ru les: ❑ Ensure that there a re no mor e than eig ht 10BASE-F L Modules ( a n d/or 10BASE-T M odules) in the pat h between any two transc e i vers due t o Ether net's 4-repeater rule (each 10BASE-F L and 10BASE-T Mo du le counts as a 1/2 r epeater[...]

2 - 22 ON lin e Ethernet 10B ASE-FL Installation and Operat ion G uid e . Figure 2-7. Sample Configuration D ist ance Calculation T o ma k e the c onfiguratio n in Figu r e 2-7 work, ensure the fiber equivalent distance betw een transceiver A and transceiv e r B is less than 4200 meters. T o determ ine if t he netw ork conf igu ratio n is legal: 1.[...]

Des igni ng a nd Ex pand ing the Net wor k 2 - 23 ❑ Inco ming signal from T ran sceiver A to the 1 0B ASE-T Modu le = 420 m . ❑ Ou tgoin g sign al from th e 10B ASE-T M odule to T ransceiv er B = 165 m (4 20 m + 1 65 m = 585 m ). 4. Subtract all cable len gths between the tw o transceivers (calcu late copp er length th e same w ay you d o fo r [...]

2 - 24 ON lin e Ethernet 10B ASE-FL Installation and Operat ion G uid e Therefore, for each pair of ONline Fiber M odules that a signal p asses thr o ugh, t her e is a fiber equiva l ent distance of 190 meters (1 40 m + 50 m = 190 m). In add ition, a signal making a round trip throug h the mo du le (that is , enterin g a port ex ter nall y and exi [...]

Des igni ng a nd Ex pand ing the Net wor k 2 - 25 T o det erm in e if t he netw ork co nf igu ratio n in Fi gu re 2-8 is legal : 1. Us e 4200 meters as the maximum netw ork diam eter as defined by the 802 .3 specificatio n. 2. Subtract the eq uivalent fiber d istance fo r each 1 0BASE-FL Module in the sign al path between T r ansceivers A and B. Th[...]

2 - 26 ON lin e Ethernet 10B ASE-FL Installation and Operat ion G uid e Exam ple : Connecting a Th in Eth ernet (1 0BAS E2) Se gment Figure 2- 9 shows a typic al Thin Eth ernet segm ent c onnect ed to an O Nline Concen trator th rough an I EEE 802.3 Repeater . Figure 2-9. Thin Ethe r net S e gment Connecti ng to ONl i ne U si ng a n IEEE Repeater T[...]

Des igni ng a nd Ex pand ing the Net wor k 2 - 27 Note: In the r everse dire ctio n, a signal origin ating at T ran sceiver A loses 165 m of fiber equivalent distance w hen it exits the 10BA SE-T M odule t o wh ich T ransceiver B is connec ted a nd 330 meters for the s ignal ent ering the 10BASE-FL M odule in the botto m co ncen trator . The overal[...]

2 - 28 ON lin e Ethernet 10B ASE-FL Installation and Operat ion G uid e Fault-T oleran t C onfi gurati ons This section co ntains descripti ons of the redundan cy features built i nto th e ONli ne 1 0BASE-F L M odul e. Y ou can implem en t li nk redu ndancy betw een concen trator s usin g the port re dun dancy switc h setting s on th e 10 BASE-FL M[...]

Des igni ng a nd Ex pand ing the Net wor k 2 - 29 ❑ Remote Failur e Signaling Config uration - If r edundanc y i s enabled at th e oth er en d of t he fib er link, you m ust enable r emote failu re signalin g for all con nect ing 10BASE-F L Mo du le po rts. Impl ementing B ackbone C able Plant Faul t T o lera nce Y ou c an enable r edun dancy bet[...]

2 - 30 ON lin e Ethernet 10B ASE-FL Installation and Operat ion G uid e Figure 2-10. Re d undant Fiber Backbone Confi guratio n Note: Always enable r edundancy in the low er level concentr ators (those co nnectin g to th e cent ral concen trato r s i n the star -wir ed topology). The primary port passes d ata. The b ackup p ort does not pas s any d[...]

Des igni ng a nd Ex pand ing the Net wor k 2 - 31 Remote Failu re Sign alin g In any redundan t link path, you can designate (that is, activate) o nly one end a s a redundant port pair (1-2 or 3- 4). Y ou mu st enabl e r emo te failure signaling (RFS) if p orts are connected to fiber with redu ndancy en abled at the other end . If y ou enab le port[...]

2 - 32 ON lin e Ethernet 10B ASE-FL Installation and Operat ion G uid e Impl ementing T ota l Back bon e Faul t T o lera nce Y ou can add a b ackup ON lin e System Con centrator to provide total backbon e fau lt toler ance and lin k r e d undan cy fo r y our b ackbone netw ork . As s how n in Figu r e 2 -11, if the p rimar y co ncentr ator or a ny [...]

Des igni ng a nd Ex pand ing the Net wor k 2 - 33 Exam ple : Netw o rk with Th ree Conc entrators an d a Fo urth Conce ntrato r in Full Redundancy Configuration In th e follo wing exam ple, t hr ee co nc e ntrat ors ar e active. Figure 2 -12. Network With 3 C once ntrato rs Concentrato r B is a redundant conc entrator for Co ncentrato r A. The fi b[...]

2 - 34 ON lin e Ethernet 10B ASE-FL Installation and Operat ion G uid e In Figure 2-1 2 , if the m ain link from Co ncen trato r A to C on centrato r C faults , the sig nal path enab led through redund ancy inclu des C oncentrator B. By addin g Concen trator B, the fi ber equivalent distance become s too gre at and the n etwork cann ot w ork becaus[...]

Installing an d O perat ing t he Modu le 3 - 1 3 Inst alli ng and Operati ng the Module This chapter d escribes the installation pr ocedures for the ON line Ether net 10BAS E -FL M odule. For your conven ience , a quick reference installatio n chart is inclu ded. This chapter in clu des the fol lowing sec tion s : ❑ Precautio nary Procedures ❑ [...]

3 - 2 ONl ine Ethern et 10 BA S E-FL Installatio n and Op eration G uide Pr ec autio nary Pro c ed ures Electrostatic discharge (ESD) can damage static-sen s itive d evices o n circuit boar ds. F ollow th e s e precautio ns wh en you handle th e 10BA SE-FL M odule: ❑ Do not remove th e boa r d fr om its anti-stati c shieldin g bag until yo u are [...]

Installing an d O perat ing t he Modu le 3 - 3 4. Keep th e carto n and anti-stat ic bag in wh ich you r mod ule was shipp ed for repackagi ng th e m od ule for st orage o r s hipm ent. 5. Record the serial number of your 10BASE-FL Modu le. A lo g and other informatio n specific t o your mo dules is included in the O Nlin e System Co ncen trato r I[...]

3 - 4 ONl ine Ethern et 10 BA S E-FL Installatio n and Op eration G uide Setting th e Dip Switc hes The 10BA SE-FL M odule has tw o 8-posit ion dip sw itch e s (SW1 and SW 2) located on the rear of t h e boar d. Figure 3-1 show s t he l ocation and defau lt settin gs o f th e SW 1 and SW2 dip sw itche s . Y ou may need to reconfig ure one or m o re[...]

Installing an d O perat ing t he Modu le 3 - 5 Figure 3-1. 1 0BASE-FL M o dule Dip Sw itch Locations Setting Dip Switch SW1 The SW1 di p switch o n the 10BA SE-FL Mod ule contains 8 dip switches. Switches 7 and 8 ar e not f unctio nal. The re m aining swit ches allow you to: ❑ Enab le or d isable redundancy between por ts 1 and 2 or 3 and 4 ❑ E[...]

3 - 6 ONl ine Ethern et 10 BA S E-FL Installatio n and Op eration G uide T able 3-2 lists the fu nc tions an d setting s for sw itch SW1 . For a definit ion o f each dip swit ch fu nc tion , refer to the Con figuri ng the Mo du l e section. T able 3-2. D ip Switch SW 1 Settings Swi tch Lab el Fun ction Fa ct ory D efa ul t Switch Set ting Of f On 1[...]

Installing an d O perat ing t he Modu le 3 - 7 Setting Dip Switch SW2 The SW2 di p switch o n the 10BA SE-FL Mod ule contains 8 dip switches. Switches 7 and 8 ar e not f unctio nal. The re m aining swit ches allow you to: ❑ Enab le or d isable e ach of t he po rts ❑ As sign the m odule to a ch annel T able 3-3 lists the fu nction s and settin g[...]

3 - 8 ONl ine Ethern et 10 BA S E-FL Installatio n and Op eration G uide T able 3-4 lists the fu nction s and settin gs for sw itc hes 5 and 6. For a definitio n of each dip switch f unctio n, refer to th e Configu ring the Mod ule sectio n in this chap ter . I nstal li ng the Modu le Y o u do not need to power down the ON line System C oncent rato[...]

Installing an d O perat ing t he Modu le 3 - 9 2. Locate a blan k slot in th e con centrator . If there is no blank slot, re m ove a blan k panel on the con centrato r to expose a slot for the 10B ASE-FL Mo dul e . 3. In sert the mo du le into the bo ard guid es at t he top an d bott om of th e slot and slide i t in to the conc entrator . M ake s u[...]

3 - 10 ON lin e Ethernet 10B ASE-FL Installation and Operat ion G uid e Figure 3-3. 1 0BASE-FL M o dule Connection 7. Make sure that the t ransmit an d receive c ables are: ❑ Clearly m arked o r co lor c oded . ❑ Con nected to th e appropr iate ports on th e 10B ASE-F L Modu le. ❑ Properly c leaned w ith an approp riate f iber op tic cleaning[...]

Installin g and Op erating th e Mod ule 3 - 11 Make sure that the transmit fiber at o ne end always c onnects to a r eceiv e port at the ot her end. Caution: Do not c onnect th e 10B ASE-FL Mo du le to an O Nline Ethern et Fi ber Mod ule, to a 10BASE-F B module, or to any other m odu le or tran sc eiver th at is not FOIRL-compatibl e or 1 0BASE-FL-[...]

3 - 12 ON lin e Ethernet 10B ASE-FL Installation and Operat ion G uid e When you f irst inst all the mod ule: 1. The netwo rk (chan nel) defaul ts to isolat ed m od e. The ports are automa tically disabled so t hat un approved users cannot be added. Therefore, you mu st enable th e p ort s you wish to u se and set th e module to th e appr opriate E[...]

Installin g and Op erating th e Mod ule 3 - 13 Selectin g a Ne twork The ONline 10 BASE-FL M odule is equipped with the tech nology to work with th e ON lin e C oncent rator's uniqu e T riChann el™ Arch itectu r e. This feature lets you assign th e mo dule to a ny o f three netwo rks (or non e) on the ON line System C oncentr ator backplan e[...]

3 - 14 ON lin e Ethernet 10B ASE-FL Installation and Operat ion G uid e For exam ple, when yo u enabl e redun dan cy: 1. Port 1 bec omes the pr imary lin k a n d port 2 is the redundan t link. 2. If th e primar y link (por t 1) f ails , th e r e dun dant lin k (port 2) is engag ed au to mat ically , t hus prevent ing a netwo rk f ailure. 3. When yo[...]

Installin g and Op erating th e Mod ule 3 - 15 Enab lin g Remote Failu re S ignal ing Due to the n atur e of the 10 BAS E-FL standard, the receive path of a r edund ant port c an detect no light an d partitio n errors, but th e transm it path cannot d etect thes e errors. Remote Failure Signal ing (RFS) pr o vides a way for tran sm it failu res to [...]

3 - 16 ON lin e Ethernet 10B ASE-FL Installation and Operat ion G uid e T o enable RFS for a port, issue the following man agem ent command: SE T PO RT { sl ot .p ort } MO DE RE MOTE _FAI LU RE _ SIGN ALIN G Savin g Mod u le Config uratio n T o save the mo dule a n d po rt settin gs to m a n agement modu le mem ory , issue the follow ing co mmand :[...]

Installin g and Op erating th e Mod ule 3 - 17 This display tells yo u the status of the specific p ort. It inclu des the manag em ent m o dul e a nd dip swit ch settin gs from the bo a r d . For m ore inform ation on th e S HO W co m mand s , r efer to the: ❑ Appr opr iate ON line Managem ent Mod ule Installatio n and Op eration Gu ide ❑ ON li[...]

3 - 18 ON lin e Ethernet 10B ASE-FL Installation and Operat ion G uid e . Figure 3 -5. 1 0BASE-FL M odule Fa ce pla t e and ON line System Conce ntrato r[...]

Installin g and Op erating th e Mod ule 3 - 19 T able 3- 5 describes ho w to interp ret the 10BASE-F L Modu le LEDs. T able 3-5. I n terpretin g the 10 B A SE-FL Module LED s LED N a me C o lor State Ind icates Activit y Y ellow Off No packets are received on the fiber segment. (Ports 1- 4) On Co nstant a ctiv ity on the fibe r se gmen t. Blinki ng[...]

3 - 20 ON lin e Ethernet 10B ASE-FL Installation and Operat ion G uid e V erifyin g the LED an d Network Ass ignmen ts Once y ou install the modul e, verify its operatio n through the fr o nt panel of the ONline Con tr o ller Module. The C ontr o ller Mod ule is equipped with a n LED c heck bu tton on the fr o nt p anel. Use the LED c heck bu tton [...]

Troublesh oot ing 4 - 1 4 T rou ble shooting This chapter describ es fault con dition s and t r ou bleshoo ting su ggesti ons for the 10BA SE-FL M od ule. This chapter co ntai ns the fo llowin g s ectio ns: ❑ T rou blesho oting Using t he Port Acti vity L ED s ❑ T rou bleshoot ing Using the Port Stat us LEDs ❑ RF S T r o ubl esh oo tin g ❑ [...]

4 - 2 ONl ine Ethern et 10 BA S E-FL Installatio n and Op eration G uide T r ou bles ho otin g Using the Port Acti vity LEDs If a port Ac tivi ty L ED d oes not light, use the T able 4-1 to help trou bleshoot the problem . T able 4-1. T roubleshooting Using the Port Activity LED s LED N ame LED State Poss ible Ca use C orr ective A ctio n Activit y[...]

Troublesh oot ing 4 - 3 T r oublesh o oting Usi n g the P ort Stat us L EDs A blinkin g Port Status ind icato r is always a s i gn that the po rt detects a potenti al problem . Onc e a port det ects a prob lem, yo u can furth er a nalyze the problem by co unting th e numb er of blinks. T a ble 4-2 p rovide s tr oubleshoo ting suggestio ns for each [...]

4 - 4 ONl ine Ethern et 10 BA S E-FL Installatio n and Op eration G uide 1 Blink (cont inued) No Lig ht Received In sufficient opt ica l powe r r eceiv ed. Chec k 10BASE-FL Mo dul e optical power using a lig ht m eter . Chec k opti cal po wer of r e mot e de v i ce. If optical powe r lev els are OK, ch e ck cab le; it m ay be bad or too long . Bad [...]

Troublesh oot ing 4 - 5 R FS T r oubl eshoo tin g When y ou en able redundanc y for a port on one 1 0BASE-FL Mo dule (splices), you must enable Rem o te Failure Signaling (RFS) o n the correspond ing p or t of th e re m ote 10 BASE-FL M odule to wh ich it is connec ted. If y ou acc identally enable RFS on both sides of a 10 BASE-FL link, the link m[...]

4 - 6 ONl ine Ethern et 10 BA S E-FL Installatio n and Op eration G uide ❑ V ersio n of software installed on y ou r 10BASE-F L Mo dule ❑ Status of th e fron t panel L EDs ❑ Con figurati on o f you r co ncentrato r (you may find it helpful to r efer to the Slot Usage Chart in Appen dix B of the O Nlin e System C onc entrator Installation and [...]

Sp ecific ations A - 1 A Spec if ica tions This appendi x lists specifi catio ns for the 10B ASE-FL M odule, including: ❑ Gen eral Specif icatio ns ❑ Op tical S pecific ation s ❑ Po wer R equirem ents ❑ En vironmen tal Speci ficati ons ❑ Mech anical Sp ec ific ations ❑ 10B ASE-FL Cabl e an d Conn ecto r S pecifi cation s[...]

A - 2 ONl ine Ethernet 10 BA SE-FL In stallatio n and Operatio n Gu ide General Spec i fic ation s T able A-1 lists gen eral specifi cations for the 10BA SE-FL Mod ule. T able A -1. Ge neral Sp e cificat i ons 10BA S E-FL M odule M odel num ber 51 04M- FL1 Collisio n Detec tio n 100% determi nistic Configuration Ru les C o mpliant with IEEE 802.3 1[...]

Sp ecific ations A - 3 Opti cal Spec ifi catio ns This se ctio n lists the optic al specifi cations for the 10B ASE-F L M odu le, includ ing : ❑ T r ansm itter Sp ecificatio ns ❑ Receiver Spec ificat ion s ❑ Supported Fiber Optic C ables ❑ Fiber O ptic In terface T ran smitter Spe cif i catio ns Light Source: GaA1 As LED at wavelength 820 ?[...]

A - 4 ONl ine Ethernet 10 BA SE-FL In stallatio n and Operatio n Gu ide Receiv er Speci ficati o ns T able A-3 lists receiver specif icatio ns for t he 10 BAS E-FL Mod ule. Suppo rted Fi be r Optic C able s Y ou can use th e following fib er op tic cables with the 10 BASE-FL M od ule: ❑ 50/12 5 ❑ 62.5/12 5 ❑ 85/12 5 ❑ 100/ 14 0 The fiber op[...]

Sp ecific ations A - 5 Fiber Op tic In ter f a ce T able A-4 lists speci fications fo r the fiber op tic interfac e. Power R eq uir e ments T able A-5 lists po wer re q uirements fo r the 10 BASE-FL Modul e. T able A-4. Fiber Optic In terface S p ecifications Data Rat e 10 Mbps (m illi on bits p er secon d) Data Mod ulation Man chest er Fiber O pti[...]

A - 6 ONl ine Ethernet 10 BA SE-FL In stallatio n and Operatio n Gu ide Environmen tal Sp eci fic atio n s T able A-6 lists electr ical speci fications fo r the 10BA SE-FL Mod ule. Mech an ic al Sp eci fic atio ns T able A-7 lists m echanic al specific ations for the 10BASE-F L Modu le. T a ble A-6. Electri cal Specific ations Operating T em peratu[...]

Sp ecific ations A - 7 10BASE-FL C able and Con necto r Sp ec ificati ons This section contains information on 1 0BASE-FL an d fiber pr o ducts, c ables, and c onnectors. Use th e informatio n in the following sec tions to ensure that t he cables and c onnecting hardwar e meet r equir e ments. In additio n to the O Nline Ether net 10 BAS E -FL M od[...]

A - 8 ONl ine Ethernet 10 BA SE-FL In stallatio n and Operatio n Gu ide Fib er Co nnec tors The 10BA SE- FL M odule is available in ST -, SMA- , and FC- type fiber connec tor s for di rect connec tion to a F iber Ether net L AN. When you order the 10BA SE-FL Module, use the par t nu mber listed in T able A-8 fo r the correct c onnecto r typ e. Con [...]

Technical Support B - 1 B T e chnic al Support 3Com prov ides easy acc ess to t echnical suppo rt in form ation through a variety of servic es. This appendix descri bes the fol lowing services: ❑ On -line T ec hnical Suppo rt ❑ Su pport from Y our N etwork Sup plier ❑ Su pport from 3C om ❑ Retur nin g Products f or Rep air ❑ Accessin g th[...]

B - 2 Onli ne Ethern et 10 BA SE- FL Installatio n and Op eration G uide Email T ech n ical Supp ort Y ou can contact the Integrated Systems Division (form erly Chipc om) on th e Inter net fo r technical suppo rt using th e e-m ail address techsu pp@c hip com .com. World Wi d e We b S ite Y ou can acc ess the latest netwo rking inform ati on on th [...]

Technical Support B - 3 When you con tact your net work sup plier for assistance, have the f ollow ing inform at ion ready : ❑ Diagn ostic er r or messages ❑ A list of system hardwa re and sof tware, inclu ding revision levels ❑ Details abou t r ecen t config ur ation changes, if ap plic able If you are unable to co ntact yo ur net wo rk supp[...]

B - 4 Onli ne Ethern et 10 BA SE- FL Installatio n and Op eration G uide For access to customer service for all 3Com pr oducts, call (80 0) 876-3266. Y ou can also c ontact the Integ rated Systems Division (ISD) on t he Internet by u sing the e-mail addres s techsup p@ chipc om.com . Retur n i ng P r od ucts fo r Repa ir A product sent directly to [...]

Technical Support B - 5 3. En ter you r fu ll Inter net e-mail add r ess as t he pa ssw or d (for exam ple, jdoe @c ompan y. com ). 4. Chan ge to th e mib or schem a directo ry using the cd /p ub /mibs or cd /p ub/ mi bs /s ch em as c o mmand. 5. T o view t he 3C o m M IB, O ID, or schem a e ntries, enter the di r command. ❑ T o pause the display[...]

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Inde x 1 Inde x Numerics 10BAS E-FL Links Determine M ax imum Distanc e , 2-6, 2-7 10BAS E-FL Module Assign a Network To , 3-12 Configuring , 3-11 Connectio ns , 1-3, 3-10 Connectors , 1 - 2 Distance Limitations , 2-6, 2- 7 Enable/Dis able Ports , 3 - 1 2 Facep late , 3 - 1 7 Features , 1-1, 1-2 Installing , 3-1, 3- 8, 3-9 LEDs , 3-17, 3-18 Netwo r[...]

2 Inde x Twisted Pair To-The-Desk , 2- 2 0, 2- 22 Configuration Topolo gies Serial C onfigur a tion , 2-14, 2-15 Star Configuration , 2 - 1 3 Configuring the M odule , 3 - 1 1 Connect External Network Devic es , 2-25 Connectin g Fiber Cab les , A- 7 Connectin g the M odule , 3 - 1 0 Connector Los s , 2-9 Connector Type Part Numbers , A- 6 Connector[...]

Inde x 3 L LAN Produc t Equivalent Distances , 2 - 5 LEDs Interpret i ng , 3-18 Location o f , 3-17 Monitorin g , 3-17 Port A ctiv ity L EDs , 4 - 2 Port L EDs , 3 - 1 4 Port Status L EDs , 4-3 Redundancy Status L EDs , 3-14 Verify Operation of , 3-19 Link Budget , 2-6, 2- 7 M Management Commands Assign Modu le to a N etwork , 3-13 Enable Remote F [...]

4 Inde x Specifications Environmental , A-5 Gener al , A-1 Mechanic al , A- 5 Optical , A-2 Power Requirements , A-4 Splice Ins ertion Loss , 2 - 9 Splicing Broken Cables , 2 - 9 Fusion Splic e , 2-9 Mechanic al Splic e , 2 - 9 Star Topology , 2-2, 2-13, 2-14 Benefits of , 2-13 Status Indicator , 3 - 1 8 Status LED , 3 - 1 9 T Technic al As sistanc[...]