Instruction/ maintenance manual of the product WBR-3404TX LevelOne
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1 L evelOne WB R -34 0 4TX 5 4Mbps Wi r eless Broadband R outer w / VPN/Printer S e r v er(USB) 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 u lat i o n s o n y our p u r chase o f L e v el O ne WBR -3 4 0 4 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 Enables y o u t o c r eate v irt u al pri v ate t u n n els 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 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. L in k /Act. 1 ~ 4 L i nk stat u s Green Blin k i ng The c o r r esp on din g L AN po rt is sen d in g o r recei v in g d ata.
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 4 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 “ i n stall.
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-3404 T X W B R- 3 404TX 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 mputer e n ables y o u t o use the o ri g inal 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. • Glo b al IP : E n ter the g l o bal IP ad d ress assi g ne d b y y o ur I S P .
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 to swit c h th e func t ion of the 802.1X. Wh e n th e 802 . 1 X 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 Network 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 bo u n d 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 a llowed 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 404TX 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 .
An important point after buying a device LevelOne WBR-3404TX (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought LevelOne WBR-3404TX yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data LevelOne WBR-3404TX - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, LevelOne WBR-3404TX you will learn all the available features of the product, as well as information on its operation. The information that you get LevelOne WBR-3404TX will certainly help you make a decision on the purchase.
If you already are a holder of LevelOne WBR-3404TX, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime LevelOne WBR-3404TX.
However, one of the most important roles played by the user manual is to help in solving problems with LevelOne WBR-3404TX. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device LevelOne WBR-3404TX along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
