Manuel d'utilisation / d'entretien du produit 2103R-CSDI du fabricant 3Com
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® E D G E R O U T E R M O D U L E I N S T A L L A T I O N G U I D E F O R E T H E R N E T P ar t No . 17 -00590 -3 Published August 1996.
ii 3C om Corporation ■ 5400 Bayfront Plaz a ■ Santa C la r a, Cali for nia ■ 95052-8145 ©3Com Corpora t ion, 1996. All rights reserved. No pa rt of t his docume ntation m a y be reproduced in a.
iii 3Com, Boundar y Routing, C ardBo a rd , Car dFa c ts, EtherDisk, Ethe rLink, EtherL ink II , LANp lex, LAN sentr y , L inkBuild er , NETB uilde r , NETB uilde r II, NetF ac ts, ONcore, O Nsemble, .
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v C O N T E N T S A B O U T T H I S G U I D E Int rodu c tion 9 Aud ien ce 9 How to Use T h is Guide 9 Convent ions 1 0 Re lat e d Do c um ents 12 3Co m D oc um ents 12 Cisco Doc um en ts 13 Referen c.
vi Config uring DIP Switche s 2- 8 Config uring the ONline Ca rrie r DIP Switch es 2 -8 Selec ting a Ne twor k 2 -9 Isolatin g the ONline Edge Rou te r Mod ule 2-9 Config uring the ONco re Car rier D .
vii 4 M O N I T O R I N G E D G E R O U T E R M O D U L E O P E R A T I O N Mo nitoring Ed g e Rou ter M od ule Ope ration 4-1 Showing Mod ule Configura tion and Sta tus 4 - 3 Us i ng th e S HOW MO DU.
viii B T E C H N I C A L S U P P O R T Onlin e T ec hnical Ser vices B-1 3Com Bulletin Bo ard Se r vic e B-1 Access by Analog Mod em B-2 Access by Dig ital M ode m B - 2 Wor ld W id e We b Si te B -3 .
A B O U T T H I S G U I D E Intr o duction This g uid e desc r i bes ho w to ins tall an d confi g ure a 3Com ® ONli n e ™ or ONcore ® E d ge R outer m o dul e into the 3Com ONlin e System Concen trator or ONcore Switc hing H ub.
10 A B O U T T H I S G U I D E C on vention s T able 2 and T abl e 3 l is t co nv e nt io ns use d t hr oug hou t t his gu ide . Proc e d u r e s for conf iguring Edge Route r engin e parameter s Cha .
Conventions 11 “Syn t ax ” vs. “Comman d ” When the wor d “syn tax” i s used in thi s guid e, it i n d icate s tha t the g e neral fo rm of a comman d syntax is prov i de d . You mus t evalu ate the syntax an d s upply th e appropr i a te port, path , value , addres s, or string .
12 A B O U T T H I S G U I D E Re la te d Documen ts This se c t ion provi des info rma tion on sup por ting docum entati on, incl ud ing : ■ 3Com Doc umen ts ■ Ci s c o D o c um en t s ■ Refere.
Relate d Docum ents 13 Cisco Do cume nts Cis co® C D- ROM d ocu ments d e sc ribe com ma n d s and oth er softw are -re lated infor m atio n you n eed to o perate th e Edg e R outer mo d u le. Re fe re nce Docu ment s The fol low i ng d oc um en ts s uppl y rela ted bac k g rou nd i nfor m ati on : Case, J.
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1 I N T R O D U C T I O N This ch apter provi d es an intro du c tio n to the 3Com ® Edge Ro uter m odul e. This ch apter co ntai ns the follow in g secti ons: ■ Pro d uc t O ver vi ew ■ Edge Rou.
1-2 C H A P T E R 1: I N T R O D U C T I O N Fig ure 1 -1 T ypi c a l Edge Rou t er Mo dul e Con nec t i ons The rou t e r m o d u l e run s Cisco stan dard s oftw are and ful ly intero perates with t.
Product O v e rvie w 1-3 Edg e R ou ter M od ule Arch ite c ture Each Edge R outer modul e co n s i sts o f the foll o win g co mponen t s : ■ Carrier – Provi des co nnec tio n s to o ne o f th ree 3Com sw itchin g hub prod u cts . ■ Engi n e – Provid es Ethe rnet- t o -W AN por t conn ec ti on s.
1-4 C H A P T E R 1: I N T R O D U C T I O N F igu re 1 - 2 sh ow s the arch i tec tur e of each Edge R ou ter mod ul e ty pe. Fig ure 1 -2 Edg e Rou t er M o dule A r c hitec ture ONl in e ca rrie r .
Edge Route r Modul e F eatur es 1-5 Edge R oute r Mo du le Featu res This se c tion d es cr ibe s the m ajor fea tu res of the Edge Rou te r mod ule, in cl ud i ng : ■ So ft wa re O pt io ns ■ T o.
1-6 C H A P T E R 1: I N T R O D U C T I O N T able 1-1 Soft ware Featu re Sets Fe atur e C ate go ry Fea ture S e t IP/IPX Deskt op Desktop plu s IBM E nte rpr i se LAN Suppor t IP, B ri dgin g, L AN.
Edge Route r Modul e F eatur es 1-7 T opolo g y Switc hin g Usin g top olo g y sw itch ing y ou ca n: ■ Swi tch the ONli ne Edg e Ro uter mod u le am on g any of three Eth erne t n etw or k s ( c ha.
1-8 C H A P T E R 1: I N T R O D U C T I O N Fig ure 1 -3 Ne twor k Reli ability C onfig uration IOS R outer S oft wa re Up da tes The IOS s oftw are in the Edg e Ro u ter m odul e en g ine can be up da ted by purc hasing fi e l d - upg ra d eable softw are d istri bution k its .
Edge Route r Modul e F eatur es 1-9 Y ou ca n a ls o p urc ha se a n u p gr a de kit t o upgr a de y ou r IP/ I PX , De skt op , or De sktop pl us IBM so ftwa re to a vers ion w ith an enh an ced featur e se t. Con tac t your 3Com re sel ler o r 3Co m Cus tom er S uppo r t for more infor m atio n and par t num b ers .
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2 I N S T A L L I N G T H E E D G E R O U T E R M O D U L E This ch apter co ntai ns the follow in g secti ons: ■ Ins tallati on Fl owchar t ■ P re caution ar y Proced ures ■ Qui ck In stal la t.
2-2 C H A P T E R 2: I N S T A L L I N G T H E E D G E R O U T E R M O D U L E In s tallat ion F lowchart The flow ch ar t in F igure 2 - 1 identi fie s th e steps req ui red to in sta ll and con figu re the Edge Rou te r mod ul e.
Precautionary P roce dures 2-3 Pr ecau t ionar y Pr o cedu res Elec tros tati c dis ch arg e (ESD ) can dam ag e s tatic- sen si tive de v ice s on ci rcui t boar ds.
2-4 C H A P T E R 2: I N S T A L L I N G T H E E D G E R O U T E R M O D U L E Qu ick In st allat ion fo r Un mana ged Hu bs F ol low the ge ne ral steps outl ined i n T abl e 2- 1 to ins tal l an d con fig ur e the E d ge Router m odul e in an unm anage d ONline or ONcore hub .
Quick Installati on 2-5 Qu ick In st allat ion for M anag ed Hu bs F ol low the ge ne ral steps outl ined i n T abl e 2-2 to in stal l and con fi gu re the E d ge R outer mo d ule in a managed ONlin e or ONcore hub. T able 2-2 Qui ck I nsta l la tion for Mana g e d Hu bs St ep Proce dur e Re fe r t o: 1 Unpa c k the mod ul e.
2-6 C H A P T E R 2: I N S T A L L I N G T H E E D G E R O U T E R M O D U L E Unp a c k ing Pr o cedu res T o unp a ck the E dg e Ro ut e r mo du le : 1 V e rify th at th e m odu le is the m od el you o rd ered by c hec k in g the mo de l num ber l isted on th e s i d e o f th e shippi ng car ton.
Verifying Jumper Pl ug Positions 2-7 V erifying Jumper Plug P os itions V eri fy the jum per plug p os ition s on the ONline or ONcore Edg e Router mod ule befo re proceed ing with the instal la tion proced ure. The E d ge R outer mo dule i s equi ppe d with severa l jumpe r plug s.
2-8 C H A P T E R 2: I N S T A L L I N G T H E E D G E R O U T E R M O D U L E C onfiguring D IP S witches DIP sw itch es let you selec t the back pl an e netw or k us ed b y an ONli n e or ONcore Ed ge Ro uter m odu le .
Conf i guring DIP Switch e s 2-9 F igu re 2 -2 show s the ONli n e car rier DIP swi tch locati on . Fig ure 2 -2 ON line Ca r r i e r DIP Swi t c h Locatio n Se lecti n g a N etw or k Use T abl e 2 -4 to sele c t a networ k by usi ng the DIP switc hes.
2- 10 C H A P T E R 2: I N S T A L L I N G T H E E D G E R O U T E R M O D U L E ■ Enabl i ng or Dis abl ing NVR AM Con fi g urati on ■ Selec tin g a Netwo rk F igu re 2-3 sh ow s the ONcore carrier DIP sw itch locati on.
Conf i guring DIP Switch e s 2-1 1 If th e N V S E L D I P sw itc h is : ■ ON (ena bl ed) – The Edg e Router m o du le u s es confi g urati on se ttin gs store d in its NVRA M . If NVR AM does no t contai n co nfi g ura tion set tin gs, the Edge R outer mo d ules are assig ned to the Isola te_1 netw or k.
2- 12 C H A P T E R 2: I N S T A L L I N G T H E E D G E R O U T E R M O D U L E Installing the ONl in e Edge Router Modu le This sec tion des cr ibe s how to ins tal l the ONli ne Edg e Router modu le in an ONli ne hu b.
Ins talling the ONcore Edge Route r Modu le 2-1 3 4 Usin g yo ur fin ger s, ti ghten the tw o s pring -loa ded s crew s on the front of the mod ule face plate (Figure 2 -4) .
2- 14 C H A P T E R 2: I N S T A L L I N G T H E E D G E R O U T E R M O D U L E 3 Ins er t the m od u le into the board g uid es a t the to p and bo ttom of th e slot an d slide i t into th e hu b by pres sin g firm ly at a poi nt s lig htl y below the cen ter of th e fa ce pl at e (Fig ur e 2- 5) .
Ins talling the ONcore Edge Route r Modu le 2-1 5 4 C lo se th e ej ect or s (F i gur e 2- 6) . Fig ure 2 -6 Op e ned a nd Cl o sed M odu l e Eje c tors 5 Usin g yo ur fin ger s, ti ghten the tw o s pring -loa ded s crew s on the front of the Edge R outer m o dul e facepl ate (do n ot over ti gh ten) .
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3 C O N F I G U R I N G T H E E D G E R O U T E R M O D U L E This ch apter co ntai ns the follow in g secti ons: ■ Ma nag e d Confi gura tion O v e r vie w ■ Attach i ng a Management T ermi nal .
3-2 C H A P T E R 3: C O N F I G U R I N G T H E E D G E R O U T E R M O D U L E Man a ged C onfig urat ion Over view Y ou can m a nage a n ONlin e or ONcore carrier using a netwo rk ma nage ment mo du le in st a lled in the s ame h ub .
At tach i n g a Man agement T erm inal 3-3 Usin g ON d ema nd NCS The 3Com ONd em an d ™ Ne t wor k Con trol Sy stem (NC S) is an S NMP man ag er w ith a g rap hical u s er inter face.
3-4 C H A P T E R 3: C O N F I G U R I N G T H E E D G E R O U T E R M O D U L E C onfig u ring the C arrier in a Man aged ONline Hu b T hi s s ect io n de scri bes ho w to use ne t work ma n age me nt comm a nd s t o con figu re ONli n e car ri er s instal led in an ONl i ne Sys tem Con centra tor .
Configuring the Carrier in a Mana g ed ON core Hub 3-5 C onfig u ring the C arrier in a Man a ged O Nco re Hu b T h i s section de s cribes the p ossible sour ces of ONcore ca r rier co n fi gur ati o.
3-6 C H A P T E R 3: C O N F I G U R I N G T H E E D G E R O U T E R M O D U L E Carrie r N VR A M S et tin g s The ONcore c arrier can sto r e config uratio n settin gs in its NV RAM (non -volatil e ra nd om a cces s me m or y), whi ch it can use w he n pow er in g on in ei ther a man ag ed or u nman ag e d hub.
Configuring the Carrier in a Mana g ed ON core Hub 3-7 Hot Swapp ing an ON co re M od ule Y ou can remove a m odul e from th e ONcore hub a n d ins tal l an identic al modul e in the sa me slot with ou t power ing off the hub. This is called a hot swap.
3-8 C H A P T E R 3: C O N F I G U R I N G T H E E D G E R O U T E R M O D U L E De term inin g th e Config urat ion So urce T abl e 3- 1 sho ws h ow to determ i n e the carr ier co nfig urati on sou rce . * Use the S HOW DEVICE comm and to view the DIP configuration s et ting.
Conf iguring t h e E dge Router E ngine 3-9 T o as s i g n a carri er b ack pl ane p or t to a n etwor k u sing net work mana gem en t softwa re , use the fol lowin g com man d: se t p or t slo t. po rt ne tw or k {et he rne t_ 1 . .. et he rn et _8} {i so la ted_ 1 .
3- 10 C H A P T E R 3: C O N F I G U R I N G T H E E D G E R O U T E R M O D U L E Fig ure 3 -1 Atta chin g a T e r mina l Cable to the C on sol e Port 2 Attach the DB-25 e nd of the adapter cabl e to the R S -2 32 null modem cable com ing from yo ur ter m inal .
Conf iguring t h e E dge Router E ngine 3-1 1 Con so le a nd au xili ar y po rt s peci fi catio ns are provi d ed in T abl e 3-2 and T abl e 3- 3, res pec tivel y. Mi ni- DI N co nne c t or p i nou ts a r e pr o vid ed i n A p pe ndix A. The Edg e Router mo d ule is sh ipped au toc onfi g ure d fo r conne c t i on to a network running NetW are®.
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4 M O N I T O R I N G E D G E R O U T E R M O D U L E O P E R A T I O N This ch apter co ntai ns the follow in g secti ons: ■ Mo n i torin g Ed g e Ro uter Mod u l e O peratio n ■ Show i ng M od u.
4-2 C H A P T E R 4: M O N I T O R I N G E D G E R O U T E R M O D U L E O P E R A T I O N Fig ure 4 -1 E dge Ro ut er Modu le LE Ds RTR S EO Reset CONSOLE AUX S0 ACT S1 ACT 2103R-CS Router Status Mod.
Showing Module Configuration and Status 4-3 E ach L ED is de sc rib ed i n T a bl e 4- 1. S h owing Modu le C onfig urat ion and Status This se c tion d es cr ibe s NM M com m an ds that show m od ule con fig u rati on and status.
4-4 C H A P T E R 4: M O N I T O R I N G E D G E R O U T E R M O D U L E O P E R A T I O N Using the SH OW MODUL E C omman d The S HO W MO D ULE com man d dis play s infor m a tion abo ut a spe ci fic mo dule.
Showing Module Configuration and Status 4-5 The fol lowing comm a nd di splays verbo se infor matio n for a n E d g e Rou te r mod ul e ins tal le d in s lo t 6 of an O Nline hub : O Nline> s how mod ule 6 verbo se S lot Module Ver sion Net work Gene ral Inf o rma tion - ---- --- ------ ------ --- ---- - -------- --- - 0 6 210 3R- CSD v1.
4-6 C H A P T E R 4: M O N I T O R I N G E D G E R O U T E R M O D U L E O P E R A T I O N Using the SH OW PORT C omm and Th e SHOW PORT c omm and di spla ys i nf orma t ion a bou t a s i ngl e port or a l l por ts. The syn ta x for th e SHOW PORT com man d i s : SH OW P ORT sl ot .
Showing Module Configuration and Status 4-7 No_ V erbo se is the defau lt op tion for th e SH O W POR T com m an d. Us e th e No_ V e rbo se opti on to dis pl ay s um m ar y i nfor m ati on for th e c ar ri er por ts.
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5 T R O U B L E S H O O T I N G This ch apter provi d es ha rdware troubl es h ooti ng in for mati on y ou ca n us e if the Ed ge R o uter mod u le fai ls to oper ate corre c tly . I f af ter revi ewi ng the infor matio n in th is ch apter , you ca nnot cor rec t the probl em, co ntac t you r 3Com repres en tative for fur ther ass ista nce.
5-2 C H A P T E R 5: T R O U B L E S H O O T I N G T r o ublesho oting S tar tup Pr o b lems This se cti on de scri bes how to troubl es ho ot star tup proble m s by mon i tori ng the LE Ds on the Edge R outer m o dul e.
Trouble shootin g Network Conn e c tivity Problems 5-3 T r o ublesho oting Network C onnec tivity Pr oblems If th e Edge Ro uter mod ule does not appe ar to be routin g traffic prop er ly on the netw or k, it may indi cat e that ther e is no connec ti on to the net work.
5-4 C H A P T E R 5: T R O U B L E S H O O T I N G T r o ublesho oting WA N C onnec tivity Pr oblems If you suspec t tha t the Edge R outer mo dul e has lost W AN con ne c tivity , per form on e or mo re of the foll ow ing troubl es ho oti ng ac tio ns: ■ V eri fy th at you have the cor rec t cab le for you r config u ratio n.
Corre cting O perating Ma lfunctions 5-5 C orrecting Op eratin g Malfu nc tions T abl e 5- 1 lists the s ymptom s of ope ratin g m alfu nc ti on s for the Edg e R ou te r mod ul e an d sh ow s poss ible caus es an d corr ec tive acti on s for thes e mal fun cti on s.
5-6 C H A P T E R 5: T R O U B L E S H O O T I N G The termin a l f a ils to respo nd to comma n d s enter ed a t the k eyboar d. The te rmina l is n ot rece ivi ng comm ands . P owe r o ff the t e rmina l, w ait 3 0 se con ds, a nd th en po wer i t on ag ai n.
A S P E C I F I C A T I O N S This appe ndi x con tain s the h ardw are speci fi cations for th e 3 Com Edg e Router m o du le i n the fol l owi ng sec ti on s: ■ G ene ral Sp eci fication s ■ Ele.
A-2 A P P E N D I X A: S P E C I F I C A T I O N S Gen er al Specif icatio ns Electrical Specif icatio ns The fol lowi ng tabl e lists the bas i c power requi rem e nts by mod ul e type. * ONco re po wer requ iremen ts are based on an Edg e Ro ute r engi n e inst alled in bay 1 o f the O Ncore c ar ri e r .
Environm ental Spec i f ications A- 3 Environmental Specif icatio ns T abl e A- 4 lists the BT U /hr cal cu lati on s for the Edg e R o ute r mod ule i nstal le d in eac h hub ty pe.
A-4 A P P E N D I X A: S P E C I F I C A T I O N S Hub Ca p acities This se c t ion provi des gu ideli nes for in stal lin g Edge Ro uter m odu l e s in ONli ne or O Nc ore h ubs.
Cable Pinou ts A- 5 F o ll o w t he gui del in es in T a b le A- 8 w hen in sta ll ing ON lin e Ed ge Rou t er mod ul es in an ON core 1 0 -slo t or 1 7-s lo t hub. . C ab le Pino uts Use the in f o rma tion in thi s s ecti on to ensu re that th e cables and co n n ecti n g ha rdwa re m eet requi rem e nts.
A-6 A P P E N D I X A: S P E C I F I C A T I O N S T hi s s ect io n de scri bes : ■ Con sole P o rt Pi nouts ■ Au xil i a r y P o r t Pi n o ut s ■ DB -25 Nul l M od em Ca ble ■ Se ri al P o .
Cable Pinou ts A- 7 F igu re A- 1 i d en tifi es the pi n s th at th e 8 -p in m ini-D IN por t uses. F ig ur e A-1 Min i-DI N Se rial Por t P in outs M ini- D IN to D B-2 5 Mo de m Cable T abl e A-1 0 lis ts con sole por t p i n outs fo r t he 3Com Op enHub ™ Ma nage ment Cabl e (mi n i-DI N to D B- 25 mo de m a d apter ca ble ).
A-8 A P P E N D I X A: S P E C I F I C A T I O N S Auxiliar y P or t Pin ou ts T abl e A- 11 lis ts th e cab le pin outs for th e aux ilia r y por t on the Edg e Rou t er mo dule.
Cable Pinou ts A- 9 DB-25 Nu ll Modem Ca ble Use a n ul l mod e m ca ble to conne ct the Edg e R ou ter mo d u le to an othe r DT E devi ce (for exam p le, a dum b term i nal ).
A- 10 A P P E N D I X A: S P E C I F I C A T I O N S EIA-53 0 DT E S y nchron ous Se rial Cab le Pino uts T abl e A- 13 l ists pin outs for E IA-5 3 0 D TE syn ch ron ous se ri al cabl e (P ar t Nu m ber E R M5 30- CAB) .
Cable Pinou ts A-1 1 RS-232 DTE and DCE Seria l Cable Pinouts T abl e A - 14 lists pin outs for : ■ RS- 232 DTE s ynch ron ou s s er ial ca ble (Par t Nu mber E R M2 3 2-C AB) ■ RS-2 32 DC E syn c.
A- 12 A P P E N D I X A: S P E C I F I C A T I O N S RS-449 DTE and DCE Seria l Cable Pinouts T abl e A - 15 lists pin outs for : ■ RS- 449 DTE s ynch ron ou s s er ial ca ble (Par t Nu mber E R M4 .
Cable Pinou ts A-1 3 V .35 DTE and DCE S erial Cable Pino ut s T abl e A - 16 lists pin outs for : ■ V .35 DTE s ynch ron ous serial cabl e (Par t Num b er ERM V3 5- C AB ) ■ V .35 DCE s ynch ron ous serial cabl e (Par t Num be r E RF V3 5-C AB) T able A- 16 V .
A- 14 A P P E N D I X A: S P E C I F I C A T I O N S X.21 DTE an d DC E Seria l Cable Pinout s T abl e A - 17 lists pin outs for : ■ X.2 1 DTE s yn ch ron ous s eri al cabl e (Par t Num b e r ERM X2 1- C AB) ■ X-2 1 DC E syn ch ron ou s ser ia l cable (Par t Nu mber E RF X2 1-C AB ) T able A- 17 X.
B T E C H N I C A L S U P P O R T 3Com provid e s ea sy acce ss to techn ical s upp or t inform ati on throu g h a variety of s er vices. This a ppen dix c ontain s th e followi n g s ectio ns: ■ On.
B-2 A P P E N D I X B: T E C H N I C A L S U P P O R T Acce ss by An a lo g Mo de m T o reach the ser vi ce by mo dem , set you r m odem to 8 data bi ts, n o par it y , an d 1 stop bi t.
Onl i ne Te ch ni cal Ser vi ce s B- 3 W or ld Wid e W eb S ite Access the lates t net work ing inform ation on th e 3Com W or l d Wide Web site by en teri ng ou r UR L into y our Intern et brow s er : h ttp://ww w.
B-4 A P P E N D I X B: T E C H N I C A L S U P P O R T L o cal a cc ess numb er s ar e a v a ila b le wi thi n th e fol lowi ng co u nt rie s: Sup po r t F rom Y o u r Net work Supplier If add iti on al a ssi stan ce i s requ ire d, contact yo ur netw or k su ppl ie r .
Support From 3Com Corporation B- 5 Sup po r t F rom 3Com C orp orat io n If you a re un abl e to re cei ve su ppor t from you r ne two rk s up pli er , t e ch nical suppor t contrac ts are a vaila ble from 3Com . I n t h e U . S. an d C an a da, ca ll (8 00) 87 6- 32 66 for cus tom er s er vice.
B-6 A P P E N D I X B: T E C H N I C A L S U P P O R T A ccessing the 3C om ISD MIB The 3Com Ma na gem ent Info rmati on Base (MIB ) for th e Integrated S ystem s Di vis ion (ISD) de sc ribes com m an d s that ena ble you to manag e 3 Com SNM P-b a sed pro du c ts.
I N D E X 1 I N D E X Numerics 3Com B ulletin B oard Serv ice (3ComB BS) B-1 3C om sales offic es B-5 3C omF acts B-3 3ComF orum B- 3 A Audien ce o f Manua l 9 Aux ilia r y por t pinouts A-8 specifica.
2 I N D E X F F aceplate 2-13 F ax ser vice. Se e 3ComF a ct s FCC notice ii F irm ware upgra ding 1-8 Flo wcha r t ins talla tion 2-2 F ront panel LEDs 4-1 H Hardwa r e spe cifications A-1 Hot swa pp.
I N D E X 3 R Return ing products for repair B-5 Rou ter (RTR ) L ED 5-2 Rou ter problems troubles hootin g 5-2 Router So ftware Support Ser vi ce 1-8 RS-232 DTE/ DCE cable pi n outs A- 11 RS-449 DTE/.
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LIMITED W AR RANTY HAR DW ARE: 3Com warrants its ha r d ware products to b e free from d efect s in workmanship and m at erials, under normal use and service, for the following lengths of time from t .
GOVERN ING L A W: This Limit ed Warranty shall be govern ed by t he laws o f the state of California. 3Com Cor p oration 5400 Bayfront P laza Santa Clara , CA 9505 2-8145 (4 08) 764-5000 3/18 /96.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté 3Com 2103R-CSDI c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du 3Com 2103R-CSDI - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation 3Com 2103R-CSDI, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le 3Com 2103R-CSDI va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le 3Com 2103R-CSDI, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du 3Com 2103R-CSDI.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le 3Com 2103R-CSDI. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei 3Com 2103R-CSDI ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
