LevelOneメーカーWBR-3403TXの使用説明書/サービス説明書
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1 L evelOne WB R -34 0 3TX 5 4Mbps Wi r eless Broadband R outer w / VPN/Printer S e r v er(pa r allel) U s e r`s Man u a l.
2 Co p y r ight The c o nt e nts o f t h i s publicati o n m a y not be rep r o d uced i n an y part o r as a whole, st o r e d , t r a n scri b e d i n a n i n f o r mat i o n ret r i e v al s y st e.
3 FCC Interference S tate m e n t This e q u i p m e n t h as b ee n teste d and f oun d t o c o m pl y w i th the limits f o r a Class B d i g ital d e v ice p u r su a n t t o Part 1 5 o f the F C C R ules.
4 T able o f Conten t s Chapter 1 In t rod u c t io n . . . . .. . . . . . . . .. . . . . . . . .. . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . .. . . . . . . . .. . . 6 Funct i ons an d F eatur e s .. . . . . . .. . . . .
5 4.8. 1 S y st e m Lo g .. . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . .. . . . . . . . .. . . . . . . . .. . . . . . .. . . . . . . . . . 65 4.8. 2 Firmware U p g r a d e . . . . . .. . . . . . . . .. . . . . . . . .. .
6 Chapter 1 Int r o ducti o n C o n g r a t ulat i o n s o n y our p u r chase o f L e v el O ne WBR -3 4 0 3 TX W ireless B r o a d b a n d R o u te r . This p r o d u c t is specifica ll y d es i g n ed f o r Small O f f ice a n d H o me O f f ice n ee d s.
7 Packe t F i lter all o ws yo u t o c o nt r o l access t o a n e t w o rk b y ana l y z i n g t h e in c o m i n g and o u t goi n g p a c k ets an d letting the m pass or h a lti n g t h e m b as e d o n t h e IP address o f t h e s o ur ce a n d d estinati o n.
8 l VPN Supp o rted Enables y o u t o c r eate v irt u al pri v ate t u nnels t o rem o te VPN g atewa y s. l 8 0 2.1 X suppor t ed Wh e n the 80 2 . 1 X f unct i o n is e n able, t h e W ireless u ser must Authe n t icate t o t h i s r o ute r f i r st t o use t h e Netw o r k ser v ice.
9 acti v it y Blin k i ng The W AN p o rt is sen d i ng o r r ecei v in g d ata. W L AN W ireless acti v ity Green Blin k i ng Sendin g o r recei v in g data v ia wi r eless O n A n acti v e stati o n is c o nnecte d t o the c o rresp o n d i ng L AN p o r t.
10 P o rt: R E SET T o reset s y stem settin g s t o fact o r y de f aults, p lease f o ll o w t h e steps: 1. P o we r of f the de v ice, 2. P r ess the reset butt o n and h o ld, 3. P o we r on t h e d e v ice, 4. Keep the b u tt o n pressed ab o ut 5 sec on ds, 5.
11 2.1. 2 . Re a r P a nel F i gu re 2- 2 Rea r P anel P o rts: Port Description 5 V DC P o we r i n let: DC 5 V , 1 .5 A (minimum) W A N t h e p o r t w h ere yo u wi l l c o n nec t y o u r cable ( o r DSL ) m o dem o r Et h ernet r o ute r .
12 2. Setup LAN connecti on a . W ire d LAN c o n n ectio n : c on n ects an Et h e r net cable f r om y o ur c o m p u ter ’ s Ethernet p o rt t o o n e o f t h e L AN po rts o f t h is p r o d u ct. b. W ireless LAN c o n n ect i o n: locate this p r oduct at a p r o pe r p o sit i o n t o g a i n t h e b e st t r ansmit p er f o rmance.
13 Chapte r 3 Net w ork Setti n gs and So f t w are Ins t allatio n T o u se L e velOne WBR- 3 4 0 3 TX c o r rect l y , y o u have t o p r o p er l y c o nf i g ure the net w o r k setti n g s o f y ou r c o m p u ters a nd i n stall the attached set u p p r o g r am int o y o u r MS W i n d o ws plat f o r m ( W i n d o ws 9 5 / 9 8/NT/20 0 0).
14 S tep 1: I n sert the i n stall a tio n CD-ROM int o the CD - R O M drive. The f o llow i n g w i ndow will be sh o w n a u t o maticall y . I f it isn ’ t, please r u n “ install.
15 S te p 2 : C lic k o n t h e INS T A LL b ut t o n. W ait until t h e f o l l owi n g W el c o me d ialo g t o a ppea r , a n d cli c k o n the Next b u tt o n.
16 S te p 4: Whe n t h e f o ll o win g win do w is d is p la y ed, clic k on t h e Finish b u tt o n. S te p 5: Select the item t o restart t h e c o m p uter a n d the n clic k t h e OK b utt o n t o re boo t y o ur c o mp u te r .
17 Chapt e r 4 Co n fig u r i n g Le v elOne WBR-3403 T X W B R- 3 403TX p r o v i des W eb b as e d co n f ig u r at i o n s c h e me, that is, c o nf i g ur i n g b y yo u r W e b b r owse r , such as Netscape C o mm u n i c a t o r o r I nte r net Expl o re r .
18 4.2 S tatus This op ti o n pr o v i d es t h e fu n cti on f o r ob ser v i ng this pr od uct ’ s w o r k in g status: A. W AN P o r t S tatus. I f the W AN p o r t is ass i g n e d a d y n amic I P , t h ere m a y appea r a “ Renew ” o r “ Rele a se ” b u tt o n on t h e S i d en o te c o lumn.
19 4.3 W izard Setup W i zard wil l g uid e y ou throu g h a basi c conf i g urat i on pro c edure s t ep b y s t ep . Press ” N e xt > ”.
20 Setu p W izard - S e le c t W A N T ype : For de t ai l set t in g s, ple a s e ref e r to 4.4 .1 pri m a r y setu p..
21 4.4 Basic S e tting.
22 4.4 . 1 Pri m a r y Setup – W AN T y p e , V i rtual C o m puters Press “ C hange ”.
23 This o pt i o n i s pr i ma r y t o e nable this p r o d u ct t o w o r k p r o p er l y . The setti n g it e ms an d t he web a p pea r a n ce de p en d o n the W AN t y pe. C ho o se c o r rect W AN t y p e b ef o re y o u start. 1. LAN I P A d dr e ss : t h e local I P a d dr e ss o f t h is d e v ice.
24 t h e lease time is e x pi r in g - - e v e n w h e n t h e s y stem is idle. 4.4. 1 . 3 D y na m ic I P Address with Ro a d Runner Sessi o n Mana g e m ent.(e.g. T elstr a BigPond) LAN IP Ad d r ess i s t h e IP address o f this p r o d uct . I t mus t be t he defa u l t gatew a y o f y o u r c o m p uters.
25.
26 4.4. 1 . 7 V ir t u a l Co m puters V i r tual C o mp u ter e n ables y o u t o use the o ri g i n al N A T feature, an d all o ws y o u t o set u p the o ne - t o - on e map p i ng o f multi p le g l o bal IP ad d r ess an d l o cal IP ad d r ess.
27 4.4 . 2 DHC P Serv e r P r ess “ Mo r e>> ”.
28 The sett i ngs of a T C P/ IP e n v i r onm e nt i n clude host I P , S u b net M a s k , Gatew a y , a n d D N S co n f ig u r at i o n s. I t is not ea s y to ma n u al l y con f i gu r e all the c o m p u ters a nd d e v ices i n y o u r netw o r k.
29 IP t o y ou r P C . 4.4 . 3 W i r e less Setting , an d 802.1 X sett i n g W ireless settin g s all o w y o u t o set the wi r eless c o nfi g urati on items. 1. Network ID ( SSID) : Netw o r k I D is used f o r id e n ti f y i n g t h e W ireless L AN (WL A N).
30 7. 802 . 1X Se t ting 8 0 2.1 X Che c kBox was used t o swit c h th e func t ion of the 802.1X. Wh e n th e 802.1X funct i on is e nabl e , the W i rel e ss user must authenti c ate t o th i s router first to use the N e twork ser v i c e. Encr y p t ion Ke y L ength Allows user to se l ec t th e l e n g th for WE P en c r y ption .
31 4.4 . 4 Cha n g e Passwo r d Y ou can chan g e Pass w ord here . W e strongly r e com m end y ou to chan g e th e s y s t em pass w ord for secur i t y reason.
32 4.5 Fo r warding R ul e s.
33 4.5 . 1 V i rtual Se r ver This p r o d u ct ’ s N A T f irewal l f ilte r s o u t unre c o gnized p a c k ets t o p r o te c t y o u r Intranet, s o all hosts behi n d t h i s p r oduct are i n v isible t o the o u ts i d e w o rld.
34 4.5 . 2 Spec i al A P Some applicat i ons requi r e multiple c o n n e c t i o n s, l i k e I n t e rnet g am e s, V id e o confer e n c in g , I nte r net telep h o n y , etc. Because o f the firewall f u nc ti o n, t h ese applicatio n s c a n n o t w o r k wi t h a p u r e N A T r o ute r .
35 4.5 . 3 M isce l laneous It e m s I P Address o f DM Z H o s t DMZ (DeMilitarize d Z on e) H o st is a h o st wit hou t the pr o tecti on o f firewall.
36 4.6 Secur i ty Settings.
37 4.6 . 1 Packet Filt e r Pac k et F ilte r ena b les y ou t o c o nt r o l what p ac k ets are all o wed t o pass the r o ute r . O u t bou nd f ilte r ap p lies on all o utb ou n d p ac k ets. H o we v e r , I n b o u n d filter ap p lies on pac k ets t h at destined t o V irt u al Ser v e r s o r DMZ ho st o nl y .
38 a d dresses (4.3. 2 . 1 - 4 .3.2. 2 5 4 ) . A n empt y implies all I P a d dresses. Fo r s ou r ce o r destinati o n po rt, y o u can d efi n e a sin g le p o rt ( 8 0) o r a ra ng e o f p o r ts (10 0 0-1 9 9 9 ). Ad d prefi x "T" o r "U" t o specif y TCP o r UDP p r o t o c o l.
39 (1.2 . 3.10-1 . 2.3 . 20) The y c an do e v e r y thin g (block noth i n g ) Others a re all blo c ked. Exa m ple 2: (1.2 . 3.100-1 . 2.3 . 1 19) The y can do ever y th i n g ex c ept read net news (port 1 19) a nd tr a nsf e r fi l es v i a FT P (port 21) Others a re all a l lowed.
40 Exa m ple 1: (192.168 . 123.100-192 . 168.123 . 149) The y a re allowed to s e nd m a il (port 25), r e ce i v e m a il (port 1 10), and browse Interne t (por t 80); port 53 (D N S) is ne c ess a r y to resol v e th e dom a in n a me . (192.168 . 123.
41 (192.168 . 123.100-192 . 168.123 . 1 19) The y can do ever y th i n g ex c ept read net news (port 1 19) and t ransfer f i les v i a FT P (port 21) Others a re allowed After Outbo u nd Pa c k e t Filter set t in g is conf i g ured, cl i ck the save but t on.
42 4.6 . 2 Do m ain Fi l ter Do m a in Fil t er let y o u pre v ent users u n d er t h is d e v ice fr o m accessi ng s p eci f ic UR L s. Do m a in Fil t er En a ble C h ecke if y o u wa n t t o ena b le D o mai n F ilte r . L o g DNS Quer y C h ecke if y o u wa n t t o l o g t h e acti o n w h en s o me on e accesses the specific UR L s.
43 Exa m ple: I n this exam p le: 1. UR L i n cl u de “ se x .c om ” will be bl o c k ed, an d the acti on will be r ec o rd in l o g - f ile. 2. UR L i n cl u de “ g i r l.c om ” will n o t b e b l o c k e d , b ut t h e acti o n will be r ec o rd in l o g - file.
44 4.6 . 3 UR L B l ocking UR L B l o cking will b l o c k LAN c o m p uters t o c on nect t o p re-defi n ed W ebsites. The maj o r di f ference b etwee n “ D o main filter ” an d “ UR L Bl o c k i ng ” is D o mai n filter req u ire u ser t o i n p u t s u ffi x (li k e .
45 I n this exam p le: 1.U R L incl u de “ sex ” will be bl o c k ed, an d the acti on will be r ec o rd in l o g - f ile. 2.U R L incl u de “ er o tica ” will be bl o c k ed, b u t the acti on will be r ec o rd i n l o g - f ile 3.
46 4.6 . 4 M A C A dd r e ss Cont r ol MAC A d d r ess Co n t r ol all o ws y o u t o assig n different access r i g ht f o r d i f f e r e n t u se r s and t o assign a specific I P a d dress t o a certain MAC a d dress. M A C A d d r ess C ont rol C h e c k “ Enable ” t o en a b le the “ M A C A ddress C o nt r ol ” .
47 Con t r ol t a ble " C o nt r o l t a b le" i s t h e t a b le at t h e b o t t o m o f t h e "MAC Address Cont r o l " pa g e. Each r o w o f this t a b l e i n dic a tes t h e MAC a d d r ess a n d the e x pect e d IP ad d r ess map p in g o f a clie n t.
48 4.6 . 5 VPN s e tting V P N Setti ng s a r e setti ng s t h at are u sed t o c r eate v i r tual pri v ate t u n n els t o r em o te VPN g atewa y s.
49 S y stem mana g ers o f bo t h e n d g atewa y s on l y need set the same pre-sha r ed k e y . Func t ion o f Bu t t o ns More : T o setup deta i ler c o n f i g uration f o r m a n ual k e y o r I KE a pp r o aches b y cli c k i ng the " M o r e " b u tt on .
50 L oc a l net m ask Lo cal n etmas k c o mbi n e d wit h l o cal su b net t o f o rm a s u b n et do main. Re m o t e subnet The su b net o f L AN site o f rem o te VPN g atewa y , it can b e a h o st, a pa r tial su b net, a n d the wh o le s u b n et o f L AN site o f rem o te g atewa y .
51 • VPN Sett i n gs - Set IKE Pro p osal IKE Propos a l index A list o f selected p r o p o sal in d e x es f r o m t h e I KE pr opo sal p o o l liste d bel o w . T h e selectin g acti v it y is pe r f o rme d b y selectin g a p r o p o sal I D a n d clic k i ng "ad d t o " b u tt o n i n t h e bo tt o m o f the pa g e.
52 • V P N Settings -Set IP S e c P r oposa l IPSec Propos a l index A list o f selecte d pr opo sal i n de x es fr o m the IPSec p r o p o sal p o o l listed b el o w. T h e selectin g acti v it y is pe r f o rme d b y selectin g a p r o p o sal I D a n d clic k i ng "ad d t o " b u tt o n i n t h e bo tt o m o f the pa g e.
53 I P Sec pr opo sal. L i f e ti me The u n it o f life time is based o n the v alue o f L ife T ime Unit. I f t h e v al u e o f u nit is sec o n d , the v al u e o f li f e time represe n ts the life time o f d edicated VPN tu n nel b etwee n b o t h e n d g atewa y s.
54 4.6 . 6 M isce l laneous It e m s Re m ote Ad m inistrato r Host/P o rt I n g ene r al, o nl y I nt r anet user can br o wse t h e b uilt-in we b pa g es t o p er f o r m admi n ist r ati o n tas k . This feat u re e n ables y o u t o perf o rm a d ministrati o n tas k f r o m r em o te h o st.
55 4.7 Adva n c ed Setting.
56 4.7 . 1 Syste m T i m e Get Date a nd T i m e b y NT P Pr o t o col Se l ec t ed i f y ou w a nt t o Get D a te and T i me b y NT P P ro t ocol . T i m e Ser v er Sel e ct a NT P ti m e s e r v er t o consul t UTC ti m e T i m e Zo ne Sel e ct a t im e zone wher e th i s de v i c e l oca t es.
57 4.7 . 2 Syste m Log This p a ge support two methods t o expor t system logs to spe c i fic destin a t i on by me a ns of syslog(UD P ) and SMTP( T C P) . T h e items you h a v e to s etup i n c l uding: I P Address f o r S y sl o g Hos t I P of dest i nation where s y slo g s w i ll be sen t to .
58 E- m ail Sub j ect Th e sub j e c t of em a il al e rt. Th i s s e tt i n g i s option a l. 4.7 . 3 Dyna m ic D N S T o h o st y o ur ser v e r o n a c h an g i ng I P a d dress, y ou ha v e t o u se d y n amic do main n ame se r v ice ( DDNS). S o that a n y on e wis h i ng t o reach y ou r ho st on l y needs t o k n o w the name o f it.
59 H o st Name Use r n ame/E - mail Passw o rd/Ke y Y o u will g et t h is inf o rmati on w h e n y o u re g ister an acc ou nt on a D y n amic DNS ser v e r . E x a m ple : A f ter D y namic DNS settin g is c o nfi g ure d , clic k t h e sa v e b utt on .
60 4.7 . 4 SNM P Sett i n g I n b r ief, SNMP, the Simple Netw o r k M a n a g eme n t P r o t o c o l, is a pr o t o c o l d esi g ne d t o g i v e a u ser t h e ca p a b ilit y t o r em o tel y ma n a g e a c o mp u ter n etw o r k b y p o llin g a n d settin g termi n al v al u es and m on it o rin g netw o r k e v e n ts.
61 1. This de v ice will resp o nse t o SNM P client w h ich ’ s g et c o mm uni ty is set as “ p u blic ” 2. This de v ice will resp o nse t o SNM P client w h ich ’ s set co mm unity is set as “ pri v ate ” 3.
62 4.7 . 5 Routing T able Rou t ing T a bles all o w y o u t o determine which p h y sical i n terface ad d r ess t o use f o r ou t g o i ng IP data g rams.
63 S o i f , f o r e x ample, the h o st wanted t o sen d a n IP d ata g ram t o 1 9 2 . 1 68.3. 8 8, it w o uld u se the ab o v e table t o determi n e t h at it ha d t o g o v ia 19 2 . 1 6 8 .1.33 ( a g atewa y ), And if it se n ds Pac k ets t o 1 9 2.
64 4.8 T oolbox.
65 4.8 . 1 Syste m Log Y ou can V i e w s y st e m l o g b y cl i ckin g the V ie w Log but t on.
66 4.8 . 2 Fir m w a r e Upgrade Y ou can u p g r ade f i r mware b y clic k i ng Fir m w a re Upgrade b utt on ..
67 4.8 . 3 Ba c k up Sett i n g Y ou can backup y our se t tin g s b y c l icking th e Backu p Setting bu t ton a nd sa v e i t as a bin fil e . O n c e y ou w a nt to r e s t ore t hese se t tin g s, pl e as e c lick F i r m w a r e U pgrade but t on and us e t he b i n fi l e y ou sa v ed .
68 4.8 . 6 M isce l laneous It e m s MAC Address f o r W ake-on-LAN W a k e- on - L AN is a techn o l o g y that ena b les y ou t o p o we r u p a n etw o r k ed d e v ice rem o tel y .
69 Cha p ter 5 Print Ser v e r L e v elOne WBR- 3 403TX provides t he f unct i o n o f n et w o r k pri n t se r v er f o r M S W i n dows 9 5 / 98/ N T/ 2 0 0 0 and Unix b a se d plat f o r ms. (If the p r oduct yo u p ur c h as e d d o esn ’ t h a v e pri n te r p o r t, please s k i p t h is cha p te r .
70 1. Find o ut t h e c o r respondi n g i c o n of y o u r s e rver print er , f o r ex a m p le, t h e H P Laser J et 6L . Cli c k the m o u se ’ s r i g h t b ut t o n o n t h at i c o n, an d t hen sele c t the Pr o p erties item: 2.
71 3. Ch o o se t h e “ P R Tmat e : (All-i n -1) ” f r o m t h e list attac h e d at the Print To it e m. Be sure t h at t h e Printe r Driver item is c o nfi g ured t o the c o r rect dri v er o f y ou r server p rinter .
72 5.2 Co n f i g u r ing on W i n do w s N T P l atfor m s The c o nf i g uratio n p r o c e dure f o r a W i n dows N T plat f o r m is similar t o that o f W i n d o ws 9 5 / 9 8 except th e scree .
73 5.3 Co n f i g u r ing on W i n do w s 2000 and X P P l atfor m s W in do ws 2 0 0 0 a n d X P ha v e built - in L PR client, u se r s c ou l d utilize this feat u re t o P r int. Y ou h a v e to install y our Printer Dri v er o n L PT1 or other ports be f o re y ou p r eceed t he f ollowing sequence.
74 2. Select “ P o rts ” p a g e, Clic k “ Ad d P o rt …”.
75 3. Select “ Stan d ard T C P/ IP P o rt ” , an d t h en clic k “ New P o rt …” 4. Clic k Next a n d the n pr o v i d e the f o ll o win g i n f o rmati o n: T y pe a d dress o f ser v e r pr o v idin g L PD that is ou r N A T de v ice:1 9 2.
76 5. Select C ust o m, the n clic k “ Setti ngs …”.
77 6. Select “ L PR ” , t y p e ” lp “ l o we r case letter i n “ Que u e Name: ” And enable “ L PR B y te C o u n ti ng Ena b led ” ..
78 7. Appl y y ou r settin g s.
79.
80 5.4 Co n f i g u r ing on Unix based P l atfor m s Please f o l l ow the tra d it i o n al c o nf i g ura t io n p r o cedure o n Un i x p lat f o rms t o set u p t h e p r i n t se r v er o f t h is pr o duct.
81 A ppe n dix A T CP/I P Configuratio n for Wi n do w s 95/ 9 8 This sec t io n int r o duc e s y o u h ow t o i n stall TCP/ I P p r o t o c ol int o yo u r p ersonal c o mpute r . An d suppose y ou have b e e n succ e ssf u l l y i n stalled on e net w o r k ca r d o n y o u r pe r s o n al c om p ute r .
82 5. Select M icr o so ft it e m in th e ma n u fac t u r es l ist. A n d c hoose TCP/IP i n t h e Ne t work P r otocols . Clic k OK b utt on t o ret u r n t o Netw o r k win do w . 6. The TCP/ I P p r otoc o l s h all be list e d in t h e Netw o r k wi n d o w .
83 2. Do u ble cli c k Net w o rk i c o n. Select the TCP/ IP li n e that h as b ee n a ssociat e d t o yo ur n etw o r k ca r d i n t h e C on f igurati on ta b o f the Netw o r k wi n d o w . 3. Clic k P r o p erties b utt on t o set the TCP/ I P pr o t o c o l f o r this N A T R ou te r .
84 a. Select Ob t ain an I P a d d ress aut o m atic a lly i n t h e IP A d d r ess tab..
85 b. D on ’ t i n put a n y v al u e in the G a te w ay ta b ..
86 c. C ho o se Disa b le DNS i n t h e DN S C o nfig u ration tab..
87 B. C o nfi g ure IP man u all y a. Select Specify a n I P a dd r ess in the IP A d d r e ss t a b. The defa u l t I P address o f this p r o d u c t is 1 9 2 .1 6 8 . 1 23. 2 5 4. So p lease use 1 9 2 .1 6 8 . 1 2 3. x x x ( x x x is betwe e n 1 a n d 25 3 ) f o r IP Ad d r ess field and 2 5 5.
88 b. I n t h e Gat ew ay ta b , a d d the I P ad d ress o f t h i s p r oduct ( d e f ault I P is 1 9 2 . 168.123.2 5 4 ) i n t h e N ew g atew ay field an d clic k A dd b utt on .
89 c. I n the D N S Conf i gurat i on t a b , ad d t h e DNS v a l ues whi c h are p r ov ided b y t h e I S P i n t o DNS Server Se a r ch O r der field a n d clic k A dd b u tt on .
デバイスLevelOne WBR-3403TXの購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
LevelOne WBR-3403TXをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはLevelOne WBR-3403TXの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。LevelOne WBR-3403TXの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。LevelOne WBR-3403TXで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
LevelOne WBR-3403TXを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はLevelOne WBR-3403TXの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、LevelOne WBR-3403TXに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちLevelOne WBR-3403TXデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
