Instruction/ maintenance manual of the product WL-540B 3Com
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http://www.3com.com/ Part No. DU A-0075-4A AA 01 Rev . 01 Publ ished Ja nuary 2 004 Of ficeCo nnect AD SL W ireless 11g Fir ewal l Rout er User Gui d e 3CRWE754G72 -A 3CRWE754G72 -B WL-540A WL-540B.
3Com Cor poratio n 350 Ca mpu s Dri ve, Mar lboro ugh, MA USA 01752-3 064 Copyri ght © 20 04, 3Com C orpor ation. Al l right s reserved. N o part of thi s docu mentat ion may be reprod uced in any fo.
C ONTEN TS A BOUT T HIS G UIDE Naming C onvention 7 Conventions 8 Feedback about this User Guide 8 Related Doc umentation 9 1 I NTR ODUC ING THE R OUTER Offi ceConnect ADSL W ireless11g Fir ewall Rout.
4 R UNNING THE S ET UP W IZARD Accessing the W izar d 2 7 29 DSL Settings 29 Summary 33 5 R OUT E R C ONF IGURATIO N Navigating T hr oug h the Router Confi guration Pages 35 Main Me nu 35 St atus Scre.
Acce ss Con tr o l 54 URL Blocking 56 Schedule Rule 57 MAC Address Filte ring 59 DMZ 60 Advanced 60 SNMP 6 3 SNMP Communi ty 63 SNMP T ra p 64 Sys tem T ools 65 Restart Router 65 Reset to Factory Defa.
B T ECHNICAL S PEC IFICATIONS Offi ceConnect AD SL W ireless 11g F ir ew all Router 81 St andards 82 C S AFETY I NFORMA TION D E ND U SER S OFTWAR E L IC ENSE A GREEMENT D O BTAINING S UPPORT FOR YOUR.
A BOUT T HI S G UI DE This gu id e descr ibes ho w to inst all and co nf igure the OfficeCon ne ct ADS L W ireless 1 1g Firewal l Rou ter ( 3CR WE7 54G 72-A /B).
8 A BOU T T HIS G UI D E Conve ntions Ta b l e 1 and Ta b l e 2 list conventi ons that ar e used thr ou ghout th is guide. F eedbac k about thi s User Gu ide Y our suggest ions ar e ver y important t o us. They will help make our docum en tati on more useful to yo u.
Convent i o ns 9 Exampl e: ■ OfficeCon ne ct ADS L W ireless 11g F irewall Rou ter U se r Guide ■ Part N um ber D UA 0 075-4A AA 01 ■ Page 24 Do not u se thi s e- mail ad dress for te c hni cal suppor t quest ion s. For inform ation a bout c onta cting T ech nical Supp ort, please r efer to t he Support and Safety In formati on sheet.
10 A BOU T T HIS G UI D E.
1 I NTR ODUCI NG THE R OUTE R W elcome to the world o f networki ng with 3Com ® . In t he m oder n business envi ronme nt, co mm unica tion a n d shari ng in format ion i s cru cial.
12 C HAPTER 1: I NTRODUCING THE R OUTER Figure 1 Example Net work Without a Gate way When you use the Router in your netwo rk ( Fi gur e 2 ), it bec omes you r conne cti on to the Inter n et.
Router Advantage s 13 Rou ter Ad vant ages The adva n tage s of the Route r incl ude: ■ Shared I nter net con necti on for bo th wired and wi reless c om pute rs ■ High sp ee d 802.
14 C HAPTER 1: I NTRODUCING THE R OUTER Min imum Sy stem and Co mp onent Requirement s Y o ur Rou ter requi res that the comp ut er(s) and comp one nts in you r net work b e co nfig ured wi th a t lea.
Rear P anel 15 If th is LED illu minates success ful Username/Pass wor d has been authen ticate d with your ISP . 4 Wir eless LAN (WLAN) Status LED Green If the LED is on it indicates that wireless networki n g is enabled. If the LED is flas hing , the link is OK and data i s b eing tra nsm itted or rece ived.
16 C HAPTER 1: I NTRODUCING THE R OUTER exampl e, a hub or a swit ch). The se ports have an automatic MDI / MDIX feature , which mea ns eith er strai gh t-through or a crossover cabl e can be used.
2 H AR DWAR E I NSTALLAT I ON Introduction Thi s ch apter will g uide you t hrough a b asic instal lation of the Router , in cl u d in g: ■ Connec ting the Rou ter to the Internet. ■ Connec ting the Rou ter to your ne twork. ■ Sett ing up yo ur co mpu ters fo r ne two rking wi th t he Ro ut er .
18 C HAPTER 2: H ARDWARE I NSTALLATION When posit ioni ng you r R oute r , ensure: ■ It is ou t of direct sunl ight a nd awa y fro m sources of heat . ■ Cabli ng i s away fr om power lin es, fl uoresc ent li ghti ng fi xture s, and sources of electric al noise such a s radi os, tr ansmit ters a nd broadba nd amplif ier s.
Connec ting the Route r 19 Figure 5 Connecting the Gate way 3 Run th e prov ide d teleph one ca ble from the wal l jack p rovidi ng ADSL service to th e ADS L port on your ADS L Ro uter . W hen inser ting an ADS L RJ-1 1 plug, be sure th e tab on t he plug cli cks into position to ensure tha t i t is pr operly seated.
20 C HAPTER 2: H ARDWARE I NSTALLATION Figure 6 Installing wi th a split ter or I f you ar e using a sp litter less (G.li t e) con nectio n, then you r servic e provide r w ill atta ch the outsi de ADS L line directly to y our phon e syste m.
Connec ting the Route r 21 Figure 7 Installing wi t hout a spli t ter Y o u h ave no w co mpleted th e hardw are instal lation of you r Rout er . Ne xt you need to set up y o ur comput ers so that t h ey can make u se of the Rou ter to co mm u ni ca te w i th th e In te rn et.
22 C HAPTER 2: H ARDWARE I NSTALLATION.
3 S E TTI NG U P Y OUR C OM PUTE RS The Ro ut er ha s the ab ility to dyna mical ly all ocate net work addresse s to the com pu ter s on your n etwor k, us ing D HC P . H ow ever , you r com pute rs need to b e conf igur ed corr ectly fo r thi s to take p lace.
24 C HAPTER 3: S ETTING U P Y OUR C OMPUTERS Figure 8 Local Ar ea Proper tie s Scr e en 6 Ensu re that t he opti o ns Obtai n an IP Address automatic ally , an d Obta in DNS se rver ad dress autom aticall y ar e both selected as shown in Figu re 9 . Click OK .
Ob tain i ng an IP Add ress Aut om atic a lly 25 Win dows XP 1 From th e W ind ow s Start menu , select C o nt rol Panel . 2 Click on Network and Int ernet Con nectio n s . 3 Click on th e Network Connecti ons icon. 4 Dou ble click on LAN or Hi gh Sp eed C onn ection icon.
26 C HAPTER 3: S ETTING U P Y OUR C OMPUTERS Dis abli n g PP PoE and P PTP Client So ft wa re I f you have PPPoE c lient soft ware insta lled on your computer , you will ne ed t o di sabl e i t. T o do thi s: 1 From th e W ind ow s Start menu , select S ettings > Co ntrol Pan el .
4 R UNNI NG TH E S ETUP W IZARD Ac cessin g t he Wi zar d The R out er se tup program i s Web- based, w hich m ean s tha t it is a cce ssed through your Web browser (N etsca pe Na vig ator 4. 7 or hi ghe r , In ter n et Explorer 5.0 or highe r , o r Moz illa 1.
28 C HAPTER 4: R UNNING THE S ETUP W IZA RD Figure 12 Router Login Scr een 5 When you have logge d in either: ■ The Statu s scre en wil l appear ( Fi gur e 13 ) . Select Wi z ar d from the menu . or ■ If y our Ro ut er ha s not bee n co nfi gur ed bef o r e, t he W iz ar d wi l l la un ch autom atical ly (r efer t o Fi gu r e 1 4 ).
Ac cessi ng the Wizar d 29 Figure 13 Status Sc re en DSL Se ttings Figure 14 DSL Setti ngs Scr een.
30 C HAPTER 4: R UNNING THE S ETUP W IZA RD The DSL M ode w ind ow a llow s yo u to se t up th e Rou ter fo r the t yp e of I ntern et co nnec ti on yo u ha ve. Bef o r e s ett in g up yo ur DS L conn ect ion mo de, hav e you r ac co unt i nform atio n from yo ur I SP ready .
Ac cessi ng the Wizar d 31 3 Re-t y pe your PP P o ver Et h ernet pass wor d in t he Rety pe Pa sswor d text box. 4 Ente r y our VPI an d VCI inf o rmatio n in the VPI/ VCI te x t bo xe s.
32 C HAPTER 4: R UNNING THE S ETUP W IZA RD Figure 17 RFC1483 Routed Configura tion Scr een 1 Ente r y our In ter net I P ad dr ess in the WAN I P te xt bo x. 2 Ente r the subnet mask in th e Sub net Mas k text bo x. 3 Ente r y our VPI an d VCI inf o rmatio n in the VPI/ VCI te x t bo xe s.
Ac cessi ng the Wizar d 33 Figure 18 RFC1483 Bridged Configur ation Screen 5 Ente r y our VPI an d VCI inf o rmatio n in the VPI/ VCI te x t bo xe s. Chec k all of y our setti ngs, and the n click Next .
34 C HAPTER 4: R UNNING THE S ETUP W IZA RD When you comp lete the Setup Wizard , a config urat ion summary will displa y . Verify the co nfigur ation i nfor mat ion o f the R out er an d the n cl ick Apply to sa ve y our se ttings. 3Co m reco mmen ds tha t you prin t this p age fo r y ou r re co rd s.
5 R OUTER C ON FIGUR ATION Nav igating Through the Router Config uration Pag e s Th is ch ap ter d es c ri be s a l l th e scre e ns a va il a bl e thro u gh th e R ou te r conf igu rati on pages, and i s pro vid ed as a ref erenc e.
36 C HAPTER 5: R OUTER C O N FI GUR A TI ON Status Figure 20 Status Scre en Ther e are two b uttons on thi s scr een - Connec t an d Disco nnec t . T h ese butt ons all ow y ou to m a nuall y conn ect or di sconne ct y our rout er from your ISP’ s service.
LAN Setup 37 The Route r will also pro vid e you with a li st of al l clien t computers connec ted to the netwo rk. T o view t he list, clic k D HCP cli ents list . LAN Se ttings Figure 21 LAN Setti ngs Scre en The LAN Settin gs scre en is used to specif y the LAN IP addr ess of your Rou ter , a nd to co nfi gu re th e D HC P se r ve r .
38 C HAPTER 5: R OUTER C O N FI GUR A TI ON DHCP Clie nts Li st Figure 22 DHCP Cli ent s Li s t S cr een The D HCP Clients List pr ov ides deta ils on t he devices that have r eceived I P addr esses fr om the Router . The l ist is on ly cr eated when the Router is set up as a DHCP server .
Wireless 39 Wi r e le ss From t hese pa g es yo u can conf igure t he set ting s for wireless co nnec tion s. Figure 23 W ir eles s Settin gs Screen This scree n all ows y ou to e nab le or disa ble the w ireless sectio n of y our LAN.
40 C HAPTER 5: R OUTER C O N FI GUR A TI ON Y o ur Router is ca pab le o f bl ocking th is "ran dom " se arching fo r a networ k. I f you disabl e the " Br oadcast SSID" feat u r e, the only way a computer c an joi n the networ k is by sett ing the computer's SSI D to the specif ic nam e of the netwo rk (li ke W LA N).
Wireless 41 ■ 64-b it WEP (see pag e 42 ) ■ WP A (wi th RA D IUS Ser ver ) (see pa g e 43 ) Sel ect the r equir ed val ue fr om the dr op down list, an d pres s Ap ply . Disa ble d In this mode , wireless tran smissio ns will not be e ncry pted, a nd w ill b e visible to e veryon e.
42 C HAPTER 5: R OUTER C O N FI GUR A TI ON 128-b it WEP Figure 27 128-bit WEP Scr een WEP is the bas ic mechani sm to trans mit your data sec urely over the wireless net wor k. Ma tching e n crypt ion key s mu st be setup on you r Router and w ireless clien t de vices t o u se W EP .
Wireless 43 WEP is the bas ic mechani sm to trans mit your data sec urely over the wireless net wor k. Ma tching e ncr ypti on key s mu st be setup on you r Router and w ireless clien t de vices t o u se W EP .
44 C HAPTER 5: R OUTER C O N FI GUR A TI ON 3 Ente r the key for th e RADIUS se rver in the RA DIU S Key fi el d. 4 By def au lt, the WP A keys ar e c hanged ev ery hour , but i f you wish to ch ange t his yo u ca n do so by spe cifyi ng the required t ime in th e Re- key In te r va l fiel d, in m inut es 5 Click Apply .
Inte rne t S etti ngs 45 PPPoE Figure 31 PPPoE Settings S c r een 1 Ente r the User Name assig ned to y ou by your ISP in the User Name field . 2 Enter t he Pa ssword assign e d to y ou b y your I SP in the Passwor d fiel d. Re-en ter yo ur password in th e Re type P asswor d fiel d .
46 C HAPTER 5: R OUTER C O N FI GUR A TI ON 8 Click Apply . PPPo A Figure 32 PPPoA Setti ngs Scr een 1 Ente r the User Name assig n ed to y ou by your ISP in the User Name fiel d. 2 Enter t he Pa ssword assign ed t o you b y y our IS P in th e Password fi eld.
Inte rne t S etti ngs 47 Ente r a v a lue of 0 to disa ble th is t imeout. 8 Click Apply . Bri dged Mode for Sing le PC Figure 33 Bridge Mode for Single PC Scr een 1 Ente r the VPI and VC I param et ers pr ovided to y ou by your ISP in the VPI and VCI fie l ds .
48 C HAPTER 5: R OUTER C O N FI GUR A TI ON 3 Sel ect the e ncapsul ation ty pe (LLC or VC MUX) i n th e Enc apsul ation fi eld . This inf o rmation wi ll hav e been pr ovided to you by your ISP .
Routi ng 49 Stat ic Ro utes Figure 36 Static Route P arameters Scr een The St atic R oute Parameter scre en shows a list o f curr ent static r oute entr ies. For each entr y , the foll owing in formati on is dis play ed : ■ In d ex — the index of the en try ■ Network Address — t he network addr ess of the r oute.
50 C HAPTER 5: R OUTER C O N FI GUR A TI ON Y o u c an set up R IP in depend en tly on b ot h LA N and W AN inter faces. 1 Sel ect the R IP Mode Enable rad io bu tton.
Fire wall 51 Figure 38 Routing T able Scr een Fir ewall From the se pa ges y ou ca n c onfigure se ttings for t he firewa ll. Figure 39 Fir ewall Sc ree n Y o ur Rou ter is e quipp ed w ith a firewa l.
52 C HAPTER 5: R OUTER C O N FI GUR A TI ON Spec ial App lica tio ns F igure 40 Speci al Applic ations Scr een Special Ap plication s let you speci fy specific ports to be open for specif ic applic ations to work pr o perly with the Network Addres s T ranslatio n (NA T) featu re o f the Ro uter .
Fire wall 53 4 Click Apply . Virtua l Se rvers Figure 41 V i rtual Serve rs Screen This f u nc tion will al lo w yo u to ro ute external ( Intern et) cal ls for ser v ices such a s a w eb s erver (po rt 80 ), F TP s erver (Por t 21), or ot her appl ication s through yo ur Rou ter to yo ur inter n al ne two rk.
54 C HAPTER 5: R OUTER C O N FI GUR A TI ON Clien t IP Filter s The R o uter ca n be configur ed to r estric t access t o the Int er net , e-mail o r other netwo rk ser vices at spec ific day s and times. Re strictio n can be set for a single compu ter , a range of comput ers, or mult iple computers.
Fire wall 55 Figure 43 Add PC Scree n 2 Enter a desc ription f or t he f ilter y ou are def ining i n the Client P C Descript ion field . 3 Ente r the IP addr ess or IP addr ess range in to the Client I P Address fie ld s. 4 Sel ect the s ervic es to b e blocked .
56 C HAPTER 5: R OUTER C O N FI GUR A TI ON URL Blo cking Figure 44 URL Blocking Scr een T o c onfigur e the URL Blo ckin g feat ure , use the ta b le on t h e URL B locki ng page t o sp ecify th e we bsites ( ww w .some site.c om ) and/ or key words you want to fil ter on you r netwo rk.
Fire wall 57 Sche dule R ule Figure 45 Schedule Rule S cr een The Route r c an be con figur ed to restr ict access t o the Internet , e-mail o r other network s ervic es at speci fic days and times . These sc hedule r ules ar e u sed by the rules defined on the A ccess Control page ( see “Acc ess Co n trol ” on pa ge 54 ).
58 C HAPTER 5: R OUTER C O N FI GUR A TI ON Figure 46 Add Schedule Rule Sc reen 2 Ente r a name and comment fo r the sch edule rule in the Na me and Com ment fie ld s. 3 Spec ify th e schedu le rules f o r th e requir ed days and t imes - note that all times shou ld be in 2 4 ho ur fo rma t.
Fire wall 59 MAC Address Filterin g Figure 47 M AC Addr ess Filtering S creen The MAC Addr ess Filt er is a powerful sec u rit y featu re th at allows you to spec ify whi ch computers ar e allowed on the W ir eless n etwork.
60 C HAPTER 5: R OUTER C O N FI GUR A TI ON DMZ Figure 48 DMZ Scre en I f you have a cl ient PC that cannot run an Intern et applic ation pr operl y from beh in d the f irewal l, you can open the c lien t u p to un restricte d two- way Internet acc ess.
Fire wall 61 ■ Remo te A dmin Figure 49 Advanced Screen NA T En able Befor e you enable th is f unction , make sur e you have changed the administ rator password. Netwo rk A ddress T ran slation (N A T) is t he method by whic h t he router shares t he sing le IP addres s assigned by yo ur ISP wit h the c omput ers on yo ur netw ork.
62 C HAPTER 5: R OUTER C O N FI GUR A TI ON Rout er ship s with the Uni v ersal Plu g an d Play featu re d isabled . If y ou are using any applicat ions tha t are Unive rsal Plug and Play complian t, and wish to take advan t age of th e Unive rsal Pl ug and Play f eatur es, you can enable t h is featu re.
SNMP 63 SN MP S NMP (Sim ple Ne tw ork Ma na gement Prot ocol) allows remot e manag em ent of yo ur route r by a P C tha t ha s an SNM P ma nagem e nt agent insta lled. SN M P Co m mu ni ty Figure 50 SNMP Community Scr een T o Co nfig ure SNM P: 1 In t h e C omm unity c olumn, enter the name of the SNMP c o mmunicatio n chan nel.
64 C HAPTER 5: R OUTER C O N FI GUR A TI ON SNM P T rap Figure 51 SNMP T rap Scr een Y o u c an co nfig ure your r out er to se nd status m essa ges t o the S NM P manage ment agent if a p ro blem occur s on th e network.
Syst em Tool s 65 Sys tem T o ols These page s let s yo u man age different par ame ters of the router an d perfor m ce rtai n adm inistr ative f unction s. Rest ar t Rou ter Figure 52 Restart Router Sc reen Somet imes i t ma y be necessa ry t o Re start o r Reboot the Rout er .
66 C HAPTER 5: R OUTER C O N FI GUR A TI ON before you restore all of th e defau lts. T o restore t he fac tory de faul t settings, c lick Re set . Ba ck up /R est ore Settin gs Figure 54 Backup/Restor e Settings Sc reen Y o u c an sav e your cu rrent co nfig urati on by usi ng this feat ure.
Syst em Tool s 67 From ti m e to ti me 3 C om may rel e a se ne w v ers io n s of th e Rou ter s firmw are. Fir mwa re upd ates co nt ain im provem ent s and f ixes t o prob lems that may h ave exist ed. Pl ease do wnload t he fir mwar e fi le to y our PC first, an d then click Br owse an d s ele c t th e fi r mw a re f ile .
68 C HAPTER 5: R OUTER C O N FI GUR A TI ON make any mor e changes. The lo gin timeout opti o n is fo r sec urit y purpo ses a nd the d efaul t is set t o 5 minu tes. As a not e, on ly on e compu ter can be l ogg ed into the Ro uter's we b m anage ment interf ace at one ti me.
Stat us and Logs 69 Status a nd Logs Y ou can use th e Status pages to vi ew versio n numbers fo r yo ur r ou ter’ s softwa re and hardware a nd che ck the sta tus of co nnec tions to WAN, LAN and W LAN inter fac es.
70 C HAPTER 5: R OUTER C O N FI GUR A TI ON Click Clear to clear the log (n ote that al l curr ent entri es will be er ased). Click Save to save the log to disk i n a t ext file . Wh en prom pte d for a l ocati o n to s ave th e file to, specify a fil en ame an d lo catio n , and then cli ck OK .
6 T R OUBLESH OOTI NG Basic Con nection Check s ■ Check that th e Route r is conn ected to your compu ters and to the telepho ne line , and that a ll th e eq uipm ent is pow ered on . Ch eck th at the LAN Stat us a nd DSL L E Ds on the Route r are ill uminat ed, an d t hat any corres pondi ng LE Ds on th e NIC a re also illum inated.
72 C HAPTER 6: T ROUBLESHOOTING ■ If you c anno t b rowse to t he Ro uter , us e the wi ni pcfg utility in W indo ws 95/98/ M E to verif y tha t yo ur com puter has rece ived t he correct address i nfor mat ion f r om the Rout er . From th e St a r t m enu, choose Ru n and th en en ter winipcf g .
Wirel ess Networ king 73 4 Pr ess and hold the Rese t b utton o n the r ear panel (see “Rear Pa n el” on page 1 5 ) for 5 second s. 5 The Route r will r estart, and when th e start-up seq u ence has c omplet ed, browse to: http :/ /1 92. 16 8. 1. 1 and run t he c onf igura tion wiza rd.
74 C HAPTER 6: T ROUBLESHOOTING Add itional ly consi der movi ng the wirel ess com pute r cl oser to the Router to co nf irm tha t t he bu ilding structu re or fitt ings are no t adv ersel y aff ec tin g the connec tivity .
Fre quently Aske d Questio ns 75 Ensure that one of your com put ers has a copy of the new software image file sto r e d on its ha rd disk or avai lable o n CD- ROM .
76 C HAPTER 6: T ROUBLESHOOTING There are o nly 4 L AN ports on th e Ro uter . H ow are ad ditio nal com p ute rs c on ne ct ed? Y o u c an exp and t he nu mb er of c onn ection s avai lable o n y our LA N by usi ng hub s, sw itches and wireless acc ess point s co nnec ted to the Rou ter .
A IP A DD R ESSING Th e Int er n e t Protocol Sui te The Inte r net pr otoc o l suit e c onsis ts of a well -defined s et of commu ni catio ns protocol s and seve ral sta ndard ap plication protoc ols.
78 A PPENDIX A: I P A DDR ESSI NG Fo r you r n etw o rk to w or k c or rec tly , a l l d ev ic es on t he n e tw or k m ust h av e : ■ The same s ub-networ k addre ss . ■ The sam e subnet m ask. The onl y value th at will be di fferen t is t he specifi c ho st device n u mber .
Ho w does a Device Obtai n an I P Addres s and Subnet Mask? 79 This ty pe o f IP Add ress ope ra tes on a subne t ma sk of ‘2 55.2 55.0 .0’. See Ta b l e 4 f or an exam pl e about h ow a ne tw ork (on ly fo ur co mpu ter s represented) and a R out er might be conf igured.
80 A PPENDIX A: I P A DDR ESSI NG an IP a ddress at ran dom from t he indu stry sta ndard subn et o f 169.25 4.x. x (wi th a subne t ma sk of 25 5.2 55.0 .0). If tw o dev ices a lloca te themselv es the same addr ess, the conf lict is dete cted and one of the devices allocates itself a new address.
B T ECHNI CAL S PECIFICATIONS This secti o n lists th e technical spec ificatio ns for the O ff iceConnect ADSL W ireless 11g F irewall Rou ter . Off ice Conn ect ADS L Wi r e le ss 11 g Firew a ll R .
82 A PPENDIX B: T ECHNICAL S PECIF ICATIO NS Ma ximum cli ents: 12 8 O /P Pow er 16dBm Operatin g T e m peratu re 0 °C t o 40 °C (32 °F to 105 °F ) Pow er 8V A , 25 BThU/ hr Hum id ity 0 % t o 9 0 % (no n- conde nsing ) hu midity Di me ns io ns ■ W idt h = 220 mm (8.
OfficeConn ect ADS L Wirele ss 11 g Firewal l Route r 83 Sy ste m Requi r ements Opera ting Syste ms The Ro uter w ill suppo rt t he fol lowing O per ating Sy stem s: ■ W indo ws 95 /98 ■ W indo ws N T 4 .0 ■ W indo ws M E ■ W indo ws 20 00 ■ W indo ws X P ■ Ma c OS 8.
84 A PPENDIX B: T ECHNICAL S PECIF ICATIO NS.
C S AFETY I N FORMA TION Importa nt Safe ty In form atio n WARN ING : Warn ings c ontain direc tions that y ou must fol low f or yo ur personal saf ety .
86 A PPENDIX C: S AFETY I NFORM ATION WA RN IN G : RJ -4 5 por ts. These are sh iel ded RJ-45 dat a socket s. They cann ot be u sed as teleph one so ck ets.
87 VORSICH T : Es sin d keine vo n dem Benutz er zu ersetz ende oder zu warte nde T e ile in dem Ger ät v orhande n . Wenn S ie e in Pro blem m it dem Rou ter habe n, da s n icht mit tels de r Fehl eran alyse in dies er Anleit ung behoben werden kan n, setzen Sie s ich mit Ih rem L ie feranten in Ve r bind ung .
88 A PPENDIX C: S AFETY I NFORM ATION condi tions ne so nt mai ntenue s que si l'é quipem ent auqu el il e st r acco rdé fo ncti onn e da ns le s mê me s co nd it io ns. A VERTI SSEM ENT : Il n’y a pas de parties rem placea bles par les uti lisateurs ou en treten ues par les utili sateurs à l’int érieur du moyeu.
D E ND U SER S OFTWARE L IC EN SE A GR E EM EN T 3Com Cor poration E ND USER SOF TW ARE LI CENS E AGRE EMENT YOU SHOULD CAREFULLY READ THE FOLLOWING TERMS AND CONDITIONS BEFORE DOWNLOADING, INSTALLING.
90 A PPENDIX D: E ND U SER S OFTWARE L ICENSE A GREEMENT and de veloped solely at privat e expe nse. Th e Softwa re is de livered as "Com mercial Comput er Softw are" as defined in DFARS 252 .227- 7014 (J une 1995) or as a com merci al item as defined in FAR 2.
D O BT AI NIN G S UP PORT FOR YO UR P R ODUCT Registe r Y ou r Product t o Gai n Serv ice B e ne fits T o take advan tage of warr an ty and othe r servic e b enef it s, you must first r egi ste r y our pr od uct at h ttp: // eSu pp or t.3c om .c om / .
92 A PPENDIX D: O B TAINING S UPPORT FO R YO UR P RODUCT http :/ /w ww. 3c om .com /p ro df orm s/so ft wa re /c onn ecti on _a ss is tan t/ca _t ha nky ou .h tml Ac ces s So ftw a r e Do wnloa ds Softw are Up dates are the bug fix / mai n tena nce re leases for t he version of sof tware initi ally p urchased with t he product .
Tele phone T echnic al Suppor t and Re pair 93 be retur ned to the se nder unope ned, at the sen der’ s expen se. I f your product is regi stered and und er war ran ty , yo u c an ob tain a n RM A num ber onl ine a t ht tp :/ /eSup po rt .3 co m.co m/ .
94 A PPENDIX D: O B TAINING S UPPORT FO R YO UR P RODUCT Publi shed 1 6th J uly 2 003 Latin Ameri ca T elephone T echnic al Support and Repa i r Antigu a Argentina Aruba Bahama s Barbado s Be lize Ber.
G LOSSARY 802.1 1b The IEEE specif ication fo r wireles s Etherne t which all o ws speed s of up to 11 Mb ps. Th e standa r d prov ides fo r 1, 2, 5.5 and 1 1 M bp s dat a rate s. The rates w ill switch au toma ticall y depen ding on r ange and envi ronme nt.
96 G LOSSARY common s peed. Th e or d er o f pr efer ence (bes t fi rst) is : 100B ASE-TX full duplex , 10 0BA SE-T X hal f dupl ex, 10BA SE-T f ull d uplex, and 1 0BA SE- T half d uplex. Aut o-ne gotia tion is define d in the IEEE 8 02.3 stan dard for Ethe r net and is an operat ion that tak es place in a few m illis econds .
G LOSSARY 97 host c omput ers and the ir respective doma in n ames a nd IP address es, so tha t when a do mai n nam e is reques ted (as in t yp ing “3 com .
98 G LOSSARY IEEE I nstitute of El ec tri c al and Electr o nics Engineer s. Thi s Ameri c an organi zatio n was fou nded in 196 3 and se ts standa rds for comp uters and co mmu nica tio ns. IETF In ter net Engi neering T a sk Fo r ce . A n organi zatio n respon sible for pr ov i ding en gi nee ring so lut ion s fo r TCP / I P net wor ks.
G LOSSARY 99 MAC Address M edia Access Con tr ol Ad dress. A lso cal le d th e ha r dwa re or ph ysi cal address. A laye r 2 a ddress assoc iated w ith a par ticular ne tw ork de vic e. Most device s that co nnec t to a LA N h ave a MAC ad dress assi gned to them as th ey ar e u se d to identi fy other devic es in a network.
100 G LOSSAR Y Ser ver A compute r in a netwo rk that i s shar ed by multi p l e end statio ns. Serve rs provide end sta tion s with acce ss to shared ne twor k servic es such a s compu ter files a nd print er queues. SSI D Servi ce Set Iden tifier . Some vendors of wir eless pr oducts u se SSID int erc h angeably with ESSID.
G LOSSARY 101 URL Fil ter A UR L Filte r is a featur e of a f ir ewall that allows it to sto p its clients form browsing inapprop riate Web si tes. WAN W ide A rea Ne tw ork. A netw ork tha t conn ect s com pu ters loca te d in geog raph ically separat e a r e as ( for e xam ple, di fferent bu ilding s, cities, or countr ies).
102 G LOSSAR Y.
I NDEX A Addr esses IP 77 Automat i c Addr essing 79 C Cable Specifi cati ons 83 Channel s 105 Convent ions noti ce icons, About Thi s Gu ide 8 text , About Thi s Guide 8 D DHCP 3 8, 79 DHCP Ser ve r .
104 I NDEX.
R EGUL AT OR Y N OTICES FOR TH E O FF I C E C ONNECT ADSL W IRELES S 11 G F IREWALL R OU TER Channe ls Use of the O fficeCon ne ct ADS L W i reless 11g F irewal l Rou ter is only aut horize d for the ch anne ls approv ed b y ea ch cou ntry .
106 Howeve r , ther e is no guarant ee that interf erence wi ll no t occur in a partic ular inst allation. In form atio n t o th e Us er If this equi pm ent doe s caus e interf erence to r adio or tel.
107 ■ 15.107 (e )Cla ss B C onduct ed L imits 15.109 (g)C lass B Radia ted E missions L imi ts Expo sure to Ra dio Frequ ency Radia tion: T he r adia ted out pu t pow er of th e 3Co m AD SL 11 g W irel ess Rou ter is far be low the F CC r adi o frequenc y expo sure limits.
108.
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3Com Corporation, Corporate Headquarters, 350 Campus Drive, Marlborough, MA USA 01752-30 64 T o learn m ore about 3Com products and s ervices, visit our World W ide Web s ite at www. 3co m.com All specifications a re subject to change without notice. Copyright © 2004 3Com Corpo ration.
An important point after buying a device 3Com WL-540B (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought 3Com WL-540B 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 3Com WL-540B - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, 3Com WL-540B you will learn all the available features of the product, as well as information on its operation. The information that you get 3Com WL-540B will certainly help you make a decision on the purchase.
If you already are a holder of 3Com WL-540B, 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 3Com WL-540B.
However, one of the most important roles played by the user manual is to help in solving problems with 3Com WL-540B. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device 3Com WL-540B 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
