Lantronix A104 manuel d'utilisation

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Un bon manuel d’utilisation

Les règles imposent au revendeur l'obligation de fournir à l'acheteur, avec des marchandises, le manuel d’utilisation Lantronix A104. Le manque du manuel d’utilisation ou les informations incorrectes fournies au consommateur sont à la base d'une plainte pour non-conformité du dispositif avec le contrat. Conformément à la loi, l’inclusion du manuel d’utilisation sous une forme autre que le papier est autorisée, ce qui est souvent utilisé récemment, en incluant la forme graphique ou électronique du manuel Lantronix A104 ou les vidéos d'instruction pour les utilisateurs. La condition est son caractère lisible et compréhensible.

Qu'est ce que le manuel d’utilisation?

Le mot vient du latin "Instructio", à savoir organiser. Ainsi, le manuel d’utilisation Lantronix A104 décrit les étapes de la procédure. Le but du manuel d’utilisation est d’instruire, de faciliter le démarrage, l'utilisation de l'équipement ou l'exécution des actions spécifiques. Le manuel d’utilisation est une collection d'informations sur l'objet/service, une indice.

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

Donc, ce qui devrait contenir le manuel parfait?

Tout d'abord, le manuel d’utilisation Lantronix A104 devrait contenir:
- informations sur les caractéristiques techniques du dispositif Lantronix A104
- nom du fabricant et année de fabrication Lantronix A104
- instructions d'utilisation, de réglage et d’entretien de l'équipement Lantronix A104
- signes de sécurité et attestations confirmant la conformité avec les normes pertinentes

Pourquoi nous ne lisons pas les manuels d’utilisation?

Habituellement, cela est dû au manque de temps et de certitude quant à la fonctionnalité spécifique de l'équipement acheté. Malheureusement, la connexion et le démarrage Lantronix A104 ne suffisent pas. Le manuel d’utilisation contient un certain nombre de lignes directrices concernant les fonctionnalités spécifiques, la sécurité, les méthodes d'entretien (même les moyens qui doivent être utilisés), les défauts possibles Lantronix A104 et les moyens de résoudre des problèmes communs lors de l'utilisation. Enfin, le manuel contient les coordonnées du service Lantronix en l'absence de l'efficacité des solutions proposées. Actuellement, les manuels d’utilisation sous la forme d'animations intéressantes et de vidéos pédagogiques qui sont meilleurs que la brochure, sont très populaires. Ce type de manuel permet à l'utilisateur de voir toute la vidéo d'instruction sans sauter les spécifications et les descriptions techniques compliquées Lantronix A104, comme c’est le cas pour la version papier.

Pourquoi lire le manuel d’utilisation?

Tout d'abord, il contient la réponse sur la structure, les possibilités du dispositif Lantronix A104, l'utilisation de divers accessoires et une gamme d'informations pour profiter pleinement de toutes les fonctionnalités et commodités.

Après un achat réussi de l’équipement/dispositif, prenez un moment pour vous familiariser avec toutes les parties du manuel d'utilisation Lantronix A104. À l'heure actuelle, ils sont soigneusement préparés et traduits pour qu'ils soient non seulement compréhensibles pour les utilisateurs, mais pour qu’ils remplissent leur fonction de base de l'information et d’aide.

Table des matières du manuel d’utilisation

  • Page 1

    Model N a m e: A 104 ( F o r Co ne xa nt C hi pset) Ve r sion: 1.0 FCC Part 68 FCC Part 15 C h apt e r 1. I n t roduction C h apt e r 1. 1 Ov e r view C h apt e r 1. 2 Fea t ures C h apt e r 1. 3 System R equ i r ements C h apt e r 2. I n st allation C h apt e r 2. 1 C h eckl ist C h apt e r 2. 2 The F ront LEDs C h apt e r 2. 3 The R ea r P ort s [...]

  • Page 2

    C h apt e r 3. 3 . 14 Admin P rivi l e ge - WA N S t a t us C h apt e r 3. 3 . 15 Admin P rivi l e ge - A T M S t atus C h apt e r 3. 3 . 16 Admin P rivi l e ge - T C P Stat u s C h apt e r 3. 3 . 17 Admin P rivi l e ge - R o ute T a bl e C h apt e r 3. 3 . 18 Admin P rivi l e ge - Le ar ne d (Bri dge ) M A C Ta bl e C h apt e r 3. 3 . 19 Admin P r[...]

  • Page 3

    advan ce . B ut i f adva nce not i ce isn't pract i cal , yo u w i ll be no t ified as soon as possible. Y o u wi l l b e advis ed of yo u r r i ght t o f i l e a compl ai nt with t he FC C . The tele ph o ne co m p an y may make changes i n i t s faci l i t i es, equi pm e nt , operations, o r procedures t h at cou l d a ffect t he p r ope r [...]

  • Page 4

    C h ang es or modificatio ns not exp r e ssl y ap pr ove d b y t h e p ar ty r espo nsi bl e f o r compliance t o t h e F C C R u l e s co ul d vo i d the user's aut h or i t y t o op erat e this equipment. All e quipme n t co nnected t o th i s modem m ust use shield ed cab l e as t h e i n t erconnectio n means. Oper a t ion is sub j ect to [...]

  • Page 5

    The C X 823 10 is built upo n a sca la bl e ar chi t e ct ure and i s f ul l y co m pl i ant w i t h full-rate ADSL (T1.413 I ssu e 2 an d G . dm t standards) a nd the spl i t t e r l e ss G.Lite (G.992.2) st an dar d s, i ncludi ng A n nex A ( A D S L over P O T S ) and A nne x B ( A DSL o ve r I SDN ) . This br oa d level of compl i an ce ensu re[...]

  • Page 6

    - T o ne d e t ection f o r l o w po w er mode - S uppo rts spl itter l ess ADS L i m plem e nt a t i o n - Supports D ying G asp - Int e r op e r ab l e w i t h al l maj or DS L AM eq ui p ment ATM Prot o col s - WA N m ode suppo rt : PP P over ATM (R FC 2364 ) a nd P PP ove r Ethernet (RF C 2 516 ) - LAN mo d e sup po r t: bridg ed / routed E t h[...]

  • Page 7

    - WA N a nd L A N si de conne ct i on st at i st i cs - Conf i gurat i on of st at i c rout e s an d r out i ng t a bl e - Password pr o t e ct ed acce ss - Selection of b ri d ge or r o u t er mode - P PP user ID and passw o r d - Conf i gurat i on of VCs (virt u a l ci rcui t s) 1) Per so na l comput er ( PC) 2) Pent i um I I 23 3 M H z processor[...]

  • Page 8

    ON OF F Mod em is p ower ed O N Mod em is p ower ed O FF Fla sh ing W h en t he ro u t er is w ork i n g pr op er ly ON Fla sh ing OF F "S h ow t ime"-succ essfu l c on ne c t ion b et w ee n AD S L mo de m a nd t e lep ho ne comp any' s ne t w o rk "H a nd s ha k ing "- mode m is try ing t o e stab lish a c o nn ec t i o n[...]

  • Page 9

    mod em an d t he AD S L ne t w ork thr ou gh a t w is t e d- pa ir pho ne wi r e This se ct i o n d escri bes h ow t o c onnect a nd co n f i gur e t he A D S L rout er . C o nne ct the router dir e ct l y t o the w al l j ack u sing t h e i ncl u ded A D S L cable. The r e are t w o met ho ds to co nn e ct t he rout e r a nd w o r kst a tion. T h [...]

  • Page 10

    Th e P OT S s plit t e r may als o be in sta lled o n t h e ou t s ide of th e h ouse a dja c e nt to the t e l e ph on e ne twor k inte rfac e de v ic e ( N I D ). ( AD S L over IS D N ) A I SD N s plitt er sep ara tes AD S L s ign a ls f ro m I SD N s ign als o n yo ur ISD N t elep ho n e li n e . T he I SDN s p lit t er w o rks by r u nn i n g a[...]

  • Page 11

    Th e I S D N s p l it ter m ay a ls o b e in s t alle d on the o ut s ide o f the h ouse a dja c e nt to the t e l e ph on e ne twor k inte rfac e de v ic e ( N I D ). Be f ore yo u con f i gu r e t h e r outer , you ne ed t o kn ow t he con nect i o n i nf or mat i on supplied by you r A D S L service pr o vi der. 1) P P P o E V C - Mux 2) P P P o[...]

  • Page 12

    G a t h er t he i nf orm at i o n a s i l l ust rat ed i n the f ollowing t ab le a nd keep i t for r e f er en ce . VP I /V C I , Ser v ic e N ame , U s e rn ame , Pas s w o r d, an d D o main N a me S y st em (DN S ) I P ad dr ess ( i t can b e au t o m atic ally a s s ign ed f r o m ISP or b e set fix ed ) VP I /V C I , Ser v ic e N ame , U s e [...]

  • Page 13

    LA N a nd VPI / V C I of WA N . The n save and r ebo ot R out er, i t w i l l w or k fine w ith your w hol e system . T he co m p uter sho u ld be se t t he fixed assigned IP ad dress wi th th e sam e d om ai n a t t hi s mode. If you r ISP provid es R F C 148 3 B rid g e mode pl us P P PoE , it means t he IP a ddr e ss of co m puter or r ou t er w[...]

  • Page 14

    If you w a nt to con f i gur e the d evi ce with admin i st r ator l eve l , type i n the username f i e l d and in t h e pa ssw ord f i el d. If yo u w ant t o con f igur e the d evi ce with t h e u ser leve l , t ype i n the username f i e l d and i n t he passw o r d f i el d . The n , cl ick t o l og in. Yo u ca n m od i fy these pa sswo r ds f[...]

  • Page 15

    The H o m e page show s the f i r mwa re ver si ons and WA N and L AN i nt erf ace status. This f i e l d disp l ay the C one xan t fir m ware (vxworks. z) ver si on number . T hi s f i el d displays t h e cust om e r ' sow n firmware versi o n nu mber a nd i t i s b ased on r evi si on. txt. The se fields di spl a y the I P address, S ub net [...]

  • Page 16

    The page show s t he A D SL physical laye r st atus. This fie l d di splays the Co ne xan t A D S L data p um p f i rm w ar e versi on nu mber . This fie l d di splays the AD S L con nect i on pr oce ss and st a tu s. This f i eld d i spl ays the A DSL modul at i on status f or G.dmt or T 1. 41 3. Th i s f i e l d di splays t he ADSL a nnex m od es[...]

  • Page 17

    Th i s f i e l d di splays t he t i m e of the m od em has b een i n operation. Amount of incr e ased no i se th at ca n be t ol e r ated w hi l e maintai n i ng t h e d esi gne d BE R (bi t er r or rat e). Th e SN R M argi n i s set by C entr al O ffice D SLAM. I f the S N R Margin i s in creased, bit e r ror rat e perf o r mance will improve, b u[...]

  • Page 18

    T hese f i e l ds disp l ay t he IP a dd r e ss, S ubnet Mask and M A C address f or t he LA N i nt er face. T h is f ield di sp l a ys t he t ot a l nu m ber of ava i l ab l e in t er f aces f or t h e LA N i nter face. The se f i el ds d i sp l a y the D H CP cli e nt t ab l e with t he assi gne d IP addresses and M AC addresses. Thi s fie l d di[...]

  • Page 19

    T h ese fie l d s di splay t h e C onn ect i o n Nam e (user de f i ne d) , Interface (PVC), Mode (PP Po E o r P PP oA ) , St a t us ( C onne ct ed or N ot C o nne ct e d) , P a cket s S en t , P acket s R e ce ived , B yt e s Se nt a nd B yt e R e cei ved. Thi s fie l d allows t he u ser t o manua l l y conne ct /disconn ect t he P P P co nnect i [...]

  • Page 20

    To switch betwe en the P V C s, plea se choo se the o pt i o ns of vi r tual ci rcui t a nd cli ck o n th e bu t ton t o switch o ver. The i s d e vel ope d to sol ve t he scenari o w he n the I S P only recognizes o ne MAC a d d re ss. C opy t h e I S P-recogni zed MAC address here. U B R a nd C BR are sup por t ed f r om t he AT M. B and w i dth [...]

  • Page 21

    The curr e nt r e l ease suppo rt s multip l e P P P sessions per P V C . The PPP co nf i gurat i on i n t he WAN c on f i gu r a t i on pa ge i s f or t h e first PP P sessi on f or each P VC . The pr ed e fined PP P A cco u nt N a m e (Account ID) i s “ S i mple PP P A ccou nt 0” f or P V C 0 an d predefined PPP C onne ctio n N am e i s “ S[...]

  • Page 22

    When it is checke d, i t wil l m aint ai n the PP P conne ct i o n all th e time. I f t he I S P shut d ow n t he PP P co nne ct ion, i t w i l l automatically reconne ct P PP session. When op t i o n is cho sen , t h e P A P m o de wil l run first th e n CHA P . R eq ui r e d by som e I S P s. I f the ISP d oe s not pr o vi de t he H o st name, pl[...]

  • Page 23

    P VC Ge ne r a l Mu l t i cast IP - I g no r e The conf i gu rat i on page al lows t h e user to set t he co nf i gu r at i on for the LA N p or t. T h e de f a ul t i s 10. 0 . 0.2 a nd 255.0.0.0. U ser can chan ge i t t o ot h er private I P a ddress, such as 192.168.1. 2, an d 2 55. 25 5. 2 55.0. The D H C P a dd r ess po ol i s ba sed on LA N p[...]

  • Page 24

    The co nf i gurat ion pa ge al l ow s t he user t o se t t h e LA N port i n t o Auto S ense , 10 0 Mbps F ul l Dupl ex, 100 M bp s H al f D u p lex, 10 Mbps F ul l Duple x or 1 0 Mbps H alf Dup l ex. The pa g e allows t h e user to conf i g u r e multip l e P P P sessions for ea ch P V C . It can support up to t otal of 16 P P P sessi ons, and eac[...]

  • Page 25

    This fie l d al l ow s t he u ser to e nte r his/her o w n sessi on N a m e t o distingui sh differ e nt se ssi on for differ e nt P P P accou nt s and differ e nt P V C s . T hi s field al l o w s t he u ser t o choose t h e sp eci f i c P VC for P P P session. T h e se r vi ce na m e of PP P i s r eq ui r e d by some ISP s. I f the ISP d oe s n o[...]

  • Page 26

    of the P PP co nn ect i o n wil l be set to t he smal l e r on e of M TU and t h e peer’ s MRU. The def a ul t i s value 1 492 . M axim u m S egment Size i s th e l ar g est si ze of d ata t h at T C P w ill send i n a sin gl e I P packe t . Whe n a con n ect i on i s est ab l i she d b etwe en a LAN cl ie nt a n d a ho st in the W A N sid e, t h[...]

  • Page 27

    This f ie l d a l l o w s t he user t o en t er h i s/her own accou n t I D to di st inguish di f f erent accoun t s. Enter t he PPP user na m e ( u sual ly pr ovi d e d bu y the I S P ) . Enter the P PP p assw o r d (usual l y pr ovided buy t h e IS P ) . w i ll be di splayed a t t h e bott om of this page t o show a l l t he accou n t s w i t h i[...]

  • Page 28

    N e t work A dd r ess Transl a t i o n cap ab i l i t y betwe en LA N a nd mul tiple WAN conne ct i o ns, and t he LA N t raf f i c is r o ut e d t o a ppropr i a t e WA N co nn ect i o ns based on th e de stin at i o n IP add resses an d R out e T ab l e. Th i s el im i n at e s the need for t h e stat i c N AT se ssi o n configu r ation betwe en [...]

  • Page 29

    show the cor respon di n g Session N ame w i t h i t s I P ad d r ess. Thi s fil e d displa ys t he tot a l num b e r of NAT Sessions i s e n tered. w i ll be di spl a yed at t he end of t h i s page t o show all t h e Se ssi on N ames wi t h i ts WA N Int er f a ce. T hi s f i l ed displays t h e t ot a l n u m be r of N A T Se ssi ons N ame is en[...]

  • Page 30

    page to sho w al l t h e NAT Session N ames w i th i t s WAN Int er face. Thi s fil e d displa ys t he tot a l num b e r of NAT S essi ons N ame i s e nt ered. C l ick t h e l i nk to t h e N A T configu r ation page . S e l ect t he opt i on. S el e ct t he S essi on N a m e and assi gn the P C I P ad dress, an d ch oo se t he action. C lick t he [...]

  • Page 31

    T hi s f ield al l ow s the use r t o enter t he po r t nu m ber of t h e Pri va t e Netwo r k. In m ost ca ses, t he private po r t nu m ber is sam e a s public port number . Thi s fie l d allows t he u ser t o e n t er the pr i vat e network I P address f or t he pa rticula r sever . The p age a l l o w s t he user t o se t t h e config urat io n[...]

  • Page 32

    The D N S pr o xy wil l stor e the DNS server I P addresses ob t ained from DHC P cl i e nt o r PP P i nt o the table. And al l D NS qu ery m essa g es w i l l be se nt t o one of the dynami ca l l y ob t ai n ed DNS server s. The D N S p r o xy w i l l u se the user-configured p r eferre d D N S server a nd a l t ernat e DNS server . A n d all D N[...]

  • Page 33

    be f i l ter ed o u t . If t he is sel ected, then t he packets w ill be forwarded t o t he destin atio n P C . When the br idge f i l t e r ing i s en abl e d, ent er , se l ect an d cl i c k . T hen a l l i n com ing W A N an d LAN E t he rnet pa cket s m a t ched w i t h t h i s destina t i o n MAC a dd r e ss will be f i l t ered o ut . I f the[...]

  • Page 34

    rebooted. P l ease w ait….” Aft e r th e S a v e an d R e boo t , the f o l l ow i ng Web p age w i l l b e displayed “You r se ttin g have been sa ved a nd t he m od em has rebooted. ” The page al lows t he user t o r e bo ot t he syst em w i t h o ut save t he n ew con f i gu r a t i on t o the flash. D u r ing t he R eb o ot , the f ollo[...]

  • Page 35

    The se fields di spl a y the I P address, S ub net M ask a nd MAC address f or t he WAN (ADSL) i nt e r face. Th i s f i e l d al lows t he user t o r el e ase and renew the WAN IP address in th e WAN DHCP C l i ent E n abl e d (dynamic) mode. The page sh ows al l the st atistics i nfor m at i o n o f A TM cel l s.[...]

  • Page 36

    : This bu t ton a l lo w s use r t o reset t he A T M S t atus counter. The pa g e sho w s t he s ta t i stics f o r al l T C P conne ct i o ns.[...]

  • Page 37

    : This bu t ton a l lo w s use r t o reset t he T C P Stat us counter. The page di sp l ays r o u ting tabl e a nd allows the u ser t o manua l ly enter the r outin g e ntr y. The r o ut i n g tabl e wil l d isplay the r o ut i ng stat us of D e st ination, Netmask, Gate w a y, and I n t erf a ce. The in t erf a ce br0 m ea ns t h e U S B i nterfac[...]

  • Page 38

    The Gateway f i e l d of t he stat i c rout e e nt ry a ll o w s user s t o e i t her ent e r a Gateway I P add ress o r sel e ct a Net w ork I nt e r face. All u ser-d e f ined r o utes r etai ne d i n t he C P E m emor y, r ega r dl ess i f they are a l ready in t he R ou t i ng T ab le , a r e d i sp l ayed on t h e sam e R o ute Tab l e page. A[...]

  • Page 39

    N e t work I n t erf a ce , t h en that Gate w a y’ s I P ad dr ess app ears i n t he Gateway f i e l d o f t h e rout e e nt ry If t he selecte d N et w o r k I nt erf a ce i s dyn am ic bu t the conne ct i o n i s not established, then t he rout e e ntr y doe s not ap pe ar i n the R outing Tab l e. When t h e inte rf ace co m es up l ater , t [...]

  • Page 40

    T h is f ield a llows t h e use r t o enter t h e u pd at e peri od for t h e MAC tabl e . The page al l ow s t h e user t o set t h e co nf i g ur atio n f or ADSL prot oco l s.[...]

  • Page 41

    Th i s f i e l d al lows t he user t o enab l e o r di sab l e t he Trel lis Cod e. By de f aul t, i t is a lways e n ab led . Thi s f i el d allows t he u ser t o select t h e ADS L hand sh ake p r otocol . This fie l d a l l o w s t he user to e nt e r t he w i r i ng selection f or t he R J-11. T i p/ R i p i s t h e d ef ault f o r t h e bo a r[...]

  • Page 42

    Thi s f i el d a l l ows the user t o En a ble o r Disab l e t he R I P se ssio n. The resultin g RIP session will mo ni t o r al l ne t w or k i nt erf ace s that are curr e nt ly avai l a b le f or m essa ge s fr o m ot h e r RIP r out ers. This fie l d al l ow s t he u ser to e nte r the S up pl i er Interval timer in s eco nd . Thi s timer spec[...]

  • Page 43

    Thi s f i el d allows t he u ser t o cho ose the Int er f a ce ( P V C s, PPP S essi o n s, USB a n d LA N ), f o r t he RIP to be co nfig ur ed . This fie l d a l l o w s t he user to E nabl e (Yes) o r Disabl e (No) t he specified i nterface f or R I P . T h is f ield al lows t h e use r to sel e ct t he S u pp l i e r M o de (RIP Transmit) . D i[...]

  • Page 44

    status. The p age al l ow s t he u ser to se t t h e passwor d for admi n i st r a tor . The A d m in pa ssw ord i s sa m e pas t he FT P pa ssw o rd, so i t m ust has at l e ast 8-char act ers f or the FT P t o wor k. The page al l ow s t h e user t o set t h e p assw ord for t h e u ser.[...]

  • Page 45

    The al l ow s the use r to set a l l t h e miscellane o us con fig u r atio n s.[...]

  • Page 46

    Thi s fie l d al lo w s t he u ser to conf i g ur e the Web page s can b e a ccessed f rom . When t his f i el d i s ch ecke d, i t a ll o ws bot h WAN a nd LAN a ccess t o the Web p age s. Thi s fie l d allows t he Web p ag es a ccess fro m LA N si d e. Th i s f i e l d al lows t h e Web acce ss f rom WA N side w ith a sp e ci f y I P an d subn e [...]

  • Page 47

    The I P a dd r e ss of the DMZ h ost a t LA N si de . I f i t i s enab l ed, the D H C P r eq uest s f r om l ocal P C s w i l l forward t o the DHCP ser ver runs o n WA N si de. To ha ve t h i s f u nct i o n w o r king p ro p e r l y, pl e a se di sabl e the N A T t o run on rout er m ode onl y, disable t h e D H C P se r ver o n the LAN po rt , [...]

  • Page 48

    The p age sho w s t he t e st r esu l ts for the conn ect i vi ty of t h e physical l aye r and pr o t ocol layer for b oth LA N an d WAN si des.[...]

  • Page 49

    T h is t est che cks the E t h er ne t LA N i nter f ace con nection. T hi s t e st checks the AD S L sho w time. If this test r et u r ns FA I L , all ot he r t est s w i l l be skipp ed . T h is test se n ds ATM O AM F 5 Se g m en t l oop back r e qu est cel l s t o t he C O . Th i s t est w i l l p a ss i f response cel l is received. S ince so [...]

  • Page 50

    T hi s te st che cks t he P P P au t hen t i catio n. T hi s te st che cks a val i d IP address assi gn ed from t he service pr o vid er. T hi s te st che cks t he p r im ar y D N S ca n b e reached thro u gh p i ng r e qu est . T h is t est che cks the h o st n ame can be r eso l ved t o I P a dd r e ss t h oug h d om ai n nam e server s This test[...]

  • Page 51

    The page al lows t h e u ser t o u pgrade t he i m age co de f rom the r em ote F T P server . Assu m e an F TP server st o r e s t h e u pd at e d i m a g e f i rm w a r e . d l f on I n t ernet . C l ick I m age D o wn l oad t o i nitiate t h e up d at i ng. . Assu m e an F TP server st o r e s t h e u pd at e d i m a g e boo r om. dl f on I n t [...]

  • Page 52

    The page show s t he eve nt s t rig g er e d by t he system .[...]

  • Page 53

    T hi s f ield al l ows the use r t o cl e ar t h e cu r rent content s of the System Lo g. Th i s f i e l d al lows t he user t o save t he cur r e nt co nt ent s of t he System Lo g by r i gh t click H E R E and sel ect “ S ave T ar ge t A s” t o sa ve i t i n t o a t e xt file. A bi t m ask used t o se l e ct bi ts f rom a n I nter net add r [...]

  • Page 54

    C h ar a ct eristic o f an y net w ork mul t i p le xes in d e pendent ne t wor k carr i ers on to a si n gl e cabl e . B roadband t e chnol og y allows se veral n et w or ks t o coexist on o ne si n gl e ca bl e ; t raffic fr om one n et wor k do es n ot int er fer e w i t h tr aff i c from another. B roadcast A packe t d el i very sy st em w he r[...]

  • Page 55

    physical l aye r , fol l ow e d by a h e ader fr om th e netwo r k l aye r ( IP), f ol l ow ed b y a head e r f rom t he transport l a yer (TC P ) , f ol l ow e d b y t h e a ppl i c at i o n p r o t ocol dat a. One o f the m o st com m on l oca l ar ea n e t w or k ( LA N ) w i ri ng sch em es, E t h er ne t has a t ransmissi o n rat e of 10 Mbps.[...]

  • Page 56

    use i nd i vid u a l addresses r espo nsi bl y. Each address i s a 32-bi t a dd r e ss i n t he form of x. x.x. x w h er e x i s an e i ght- bi t number f r om 0 to 25 5. There ar e thr e e cl a sses: A, B and C , d epen di ng on ho w many com p ut er s on t he si t e are l i kel y to be con ne ct e d. The network layer p r otocol for t h e Int e r[...]

  • Page 57

    Plain Old T el e pho ne Servi ce - T h i s i s t he t e r m u sed t o descri b e ba si c teleph o ne se r vi ce . Po i nt-to-Poi n t -Prot o co l - The successo r t o S LIP, P P P p r ovi des r ou t er- t o - rout e r and ho st - to- ne t wor k conn ectio n s over b ot h synchronou s and asynchronou s ci r cu i t s. PPP ove r E t hernet i s a p r o[...]

  • Page 58

    R o ut ers per i od i cal ly exch a n ge i nf o r mat i on w i t h one ano t her so th a t t he y can determine m inimum dista nce p aths b et ween so ur ces an d destin at i on s. Sim p l e Ne twork Man a ge m en t Prot oco l - T he network manage m e nt p r otocol o f choice f or TC P / I P - b a sed Int e r n et . (1) T he Be r keley U NIX m e c[...]

  • Page 59

    For r ou t i n g pu r pose s, I P n etworks ca n b e di vi ded i nt o lo g i cal su bne t s by usi ng a subnet mask. V al ue s bel ow t h ose of t he m ask ar e va l i d addresses on t he subne t . Transmission C ontro l P r o to col - T he m ajor tra nsp or t p r o t ocol in t he I nter n et suite of p rot o col s pr ovi de s r e l i a b le, con n[...]

  • Page 60

    that delivers p a cke ts in sequ en ce, as h app en s on a n actual poi n t -t o- p oi n t network. In reality, t h e data i s d el iver ed across a n et w or k vi a t he most appropria t e r o u t e. T h e sen d ing a nd r e ce ivi ng devi ces d o n ot have t o be aw a re of the opt ions a nd t h e r o u te i s chosen on l y w he n a message is se[...]

  • Page 61

    To check L EDs light up w h en you finish con ne ct i ng t w o p i e ces o f h ardwa r e. T hi s d ecl a r ation o f conformity is accordi n g t o a r ticl e 7(3) a nd art i cl e 10(2) of t he Counci l o f European C o m muni t i es of 3 May 19 8 9. The prot ect i o n requir em en t s a cco r di ng t h e C ou nci l Direct i ve art i cl e 4 an d A n[...]

  • Page 62

    and sat i sf i es al l t h e t echn i cal r egu l at i on s ap pl i cabl e to t he product w i t hi n t h e sco pe o f C o uncil D ire ct i ve s 91/263/EE C and 9 3/97/ EE C : T B R 21 T h e eq u ip ment has be en approved t o [Comm i ssi o n Decision N o. 9 8/34/ E G ] f o r Pa n - Euro p ean si ngl e ter m inal connectio n to t he P u bl i c S w [...]