Manuel d'utilisation / d'entretien du produit SMCWHSG44-G du fabricant SMC Networks
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SMCWHSG44-G.
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2 Cop yright Inf ormation furnished by SMC Net work s, Inc. ( SMC) is believ ed to be ac cu- r ate and r eliable . How-e ver , no re sponsibility is assumed b y SMC f or its use , nor for an y infringements o f patent s or other rights of thir d parties which may r esult fr om its use .
3 LIMITED W ARRANTY Limited W arrant y St atement: SMC Net work s, Inc. (“SMC”) w arr ants its pr oducts to be fr ee fr om defects in w orkmanship and materials , under normal use and servic e, f or the applicable w arr anty t erm.
W ARRANTIES EX CL USIVE: IF AN SMC PRODUC T DOES NO T OPERA TE AS W ARRANTED ABO VE, CUS T OMER'S SOLE REMED Y SHALL BE REP AIR OR REPLACEMENT OF THE PR ODUCT IN QUE STION, A T SMC'S OPTION.
5 F eder al Communication C ommission Interf erenc e Stat ement This equipment has been t est ed and found t o comply with the limits f or a Class B digital de vice , pur suant to P art 15 of the F C C Rules. T hese limits ar e designed t o pro vide reas onable prot ection against harmful int erf erenc e in a re sidential installation.
6 E C Con formanc e Declaration SMC cont act for thes e products in E urope is: SMC Netw orks Sp ain S.L., Edificio C onata II, Calle F ructuós Gelabert 6-8, 2o , 4a, 0897 0 - Sant Joan Despí, Bar celona, Spain. Signed and dated C opy o f the Declar ation of C onformit y can be f ound in the product s ection of www .
to other s y stem. T he user is obligated t o ensur e the devic e is operating acc ording t o the channel limitations , indoor / outdoor r es trictions and licens e requir ements f or each Eur opean Communit y country as de scribed in this document.
8 Important! Bef ore making c onnections, mak e sure y ou hav e the corr ect cor d set . Check it (r ead the label on the cable ) against the follo wing: Po wer C ord S et U.S .A. and Canada T h e c o r d s e t m u s t b e UL - appr oved and C SA c ertified.
9 • La prise sect eur doit se tr ouver à pr oximité de l' appar eil et son ac cès doit être f acile . V ous ne pouve z mettr e l'app areil hor s circuit qu' en débr anchant son c ordon électrique au niv eau de ce tte pris e.
Wichtige Sicherheitshin weise ( Germany ) 1. Bitt e les en Sie diese Hinw eise sor gfältig dur ch. 2. Heben Sie diese Anleit ung für den später en Gebr auch auf . 3. V or jedem R einigen ist das Gerät v om Str omnetz zu tr ennen. V erwenden Sie keine Flüs -sigoder Aer os olreiniger .
Der arbeitsplatzbe zogene S challdruckpegel nach DIN 45 63 5 T eil 1000 beträgt 7 0dB( A) oder w eniger . Str omkabel. Dies muss v on dem Land, in dem es be-nutzt wir d geprüft wer den: U.S .A und Canada Der Cor d muß das UL gepruft und w ar das CS A beglaubigt.
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13 T able of Cont ents 1. Introduction 17 1. 1. Overvie w 18 1.2. F eatur es 18 1.2. 1 P ackage Checklis t 22 1.3. LED Definition 22 1.4. R ear P anel 22 1.5. S electing a Po wer Supply Method 23 1.6. Mounting the SMCWHSG44 -G on a W all 2 4 1. 7 . Preparing f or Con figur ation 25 1.
14 1. 11. C o n f irming the Se ttings of the SMC WHSG44-G and Client C omputer s 4 0 2. Using W eb-Bas ed Netw ork Manager 42 2. 1. Overvie w 42 2. 1. 1. Menu S tructure 42 2. 1.2. Sa ve , Sav e & Re start, and C ancel C ommands 44 2. 1.3. Home and R efr esh Commands 44 2.
15 2.4.3 . 1. Basic 57 2.4.3 .2. Virtual Serv er Mappings 58 2.4. 4. DHCP Serv er 58 2.4. 4. 1. DHCP S erver 5 9 i. Basic 5 9 ii. St atic DHCP Mappings 5 9 2.4. 4.2. DHCP R elay 60 2.4.5 . Load B alancing 60 2.4.6. Z er o Client R econfigur ation 61 2.
16 2.8. 1.2. VLAN 7 9 2.8. 1.3. Fir ew all 7 9 2.8. 1.4 . URL Filter s 80 2.8.2. Management 80 2.8.2. 1. Basic 80 2.8.2.2. UPnP 81 2.8.2.3. S ys tem L og 81 2.
1. Introduction The Elit eConnect 2.4GHz 80 2. 11g Wir eless Hot spot Gate w ay ( SMCWHSG44 -G ) enables V ARs, WISPs and S y st em Integr ator s to ins tall secur e , easy t o manage Hotspots as a one-bo x solution.
1. 1. Ov erview 1.2. F eature s • User A uthentication, A uthorization, and A ccounting ( AAA) • W eb redir ection - When an unauthentic ated wir eless user is trying t o acc ess a W eb p age, he / she is redir ected t o a logon page f or entering the user name and pas sw ord.
• 64-bit and 12 8-bit WEP (Wired E quivalent Priv acy ) - F or authentication and data encryption. • Enable/Disable SSID br oadcast - The us er can enable or disable the SSID br oadcas ts functionality f or security r eas ons.
• Virtual server - Exposing s ervers on the intr ane t to the Int ernet. • PPTP , IPSec, and L2TP pass -through - P assing VPN (V irtual Privat e Netw ork ) packe ts through the intr anet -Interne t boundary . PPTP means P oint-t o-Point T unneling Protoc ol, IPSec means IP S ecurity , and L2TP means Lay er 2 T unneling Protoc ol.
• SNTP - Support for s y stem time b y SNTP (Simple Ne twork T ime Prot ocol). • Dynamic DNS - Support for dynamic DNS s ervices pr ovided b y dyndns. or g and no-ip. com, so that the SMC WHSG44-G c an be associat ed with a domain name ev en if it obtains an IP addr ess dynamic ally by PPP , PPPoE or DHCP .
• Configur ation Re set - R eset the c onfigur ation se ttings t o fact ory-se t value s. 1.2. 1 P ackage Checklist * Check that you ha ve the f ollowing c ontents in the bo x: • SMCWHSG44 -G Wirele ss Hotspot Gate w ay • User Guide • Utility & Document ation CD • W allmount Kit • Po wer A dapter • 2 dBi Dipole Ant enna 1.
1.5 . Selecting a Po w er Supply Method The SMCWHSG44-G c an be power ed b y either the supplied AC po wer adapt er or the optional SMCPWR-INJ3 Elit eConnect™ P ow er Injector . The SMCWHSG44-G automatic ally selects the suit able pow er depending on your decision.
Fig. 5. C onnecting Etherne t cables t o SMCPWR-INJ3 . 5. Check the “ A CTIVE” LED: if pow er is succ essfully f ed into the SMCWHSG44 -G, the “ ACTIVE” LED will be on (R ed light); otherwis e, the “ ACTIVE” LED will be o ff . 6. If the electricity current is o ver the normal c ondition (Io°÷1.
1. 7 . Preparing f or C onfigur ation T o conf igure the Wir eles s Hotspot Gate w ay , a managing comput er with a W eb br ow ser is needed. F or fir st-time c onfigur ation of a SMC WHSG44-G , an Etherne t netw ork interf ace c ar d (NIC) should have been ins talled in the managing comput er .
addre ss of the c omputer t o 19 2. 168.2.xxx (the def ault IP addr ess o f the SMCWHSG44-G is 19 2. 168.2. 1 ) and the subnet mask t o 25 5.2 55 .2 55 .0 .) It is pref err ed to se t the comput er to “ obtain an IP addr ess aut omatically” so the rout er will give y our c omputer the corr ect se ttings automatic ally .
Fig. 10. Home P age . 1.8.2. SETUP WIZARD S tep 1: S electing an Operational Mode Fig. 11. Oper ational Modes. • If the Rout er is t o be used with a DSL or cable modem and the IP addr es s assignment f or the Ethernet W AN interf ac e is achiev ed by PPP oE, select Rout er with a PPP oE -B ased DSL/ C able Connection.
of the E thernet W AN interf ace has t o be manually set, s elect Rout er with a St atic-IP DSL/ C able Connection. • If you ha ve multiple AD SL/ cable c onnections, select R outer with n DSL/ C able Connections .
1.8.3.2. R outer with a DHCP-B ased DSL/ Cable C onnection Fig. 13. T CP /IP s ettings f or Rout er with a DHCP-Based DSL/ C able Connection mode . If the SMCWHSG44-G is s et to be in 'R outer wi.
addre ss is 19 2. 168.2. 1 and the def ault subnet mask is 255.255.255.0 . In most c ases , these def ault set tings need no change. As for the W AN IP addr ess, it mus t be manually set. C onsult your ISP f or the corr ect IP addr ess, Def ault gat ew a y , Subnet mask, Primary DNS server , and Sec ondary DNS server se ttings.
1.8.4 . SETUP WIZARD St ep 3: C onfiguring DHCP S erver Set tings Fig. 16. DHCP Serv er Settings . The SMCWHSG44-G c an automatically as sign IP addre sses t o client comput ers by DHCP . DHCP serv er settings include Def ault gat ew a y , Subnet mask, Primary DNS serv er , and Secondary DNS serv er .
The number o f av ailable RF channels depends on local r egulations; there for e you ha ve t o choose an appr opriate r egulat ory domain to c omply with local regulations . The S SID of a wir eless client comput er and the SSID o f the wire- less Hot spot gate wa y must be identical f or them t o communicat e with each other .
Authentication pr otoc ol: RADIUS : A uthentication b y ext ernal RADIUS serv er . Local A ccounts : A uthentication b y local dat abase , associat ed with ticket printing or manually con figured us ers. RADIUS authentic ation method: EAP-MD5 PA P CHAP 2.
• Amount of Mone y Per Uni t: define s the money t o be charged per unit . • Unit of Se ssion time ( min) : define s the time fr ame (by min ) for the user to ac ces s the Internet .
Fig. 2 4. Ac count T able List 1.8.6.3. Ho w to S etup the Mini-POS T ick et Printer The SMCWHSG44-G supports a built-in us er databas e for loc al authentication. This function also as sociate s with the ext ernal Mini-POS T icket Print er (SMC WHS-PO S) f or billing and printing purposes .
Unit” and a v alue for the number o f minute s for “Units o f Session time ”. In or der to pr oduce a tick et fr om the Mini-POS Tick et Print er , you will need to k e y in selected number s, and pr ess ENTER . The number s you select on the k eyp ad will alwa ys c orre spond to the Units of S ession Time .
1.8.6.5 C onfiguring R ADIUS Set tings The R ADIUS client on the SMCWHSG44-G w orks in c onjunction with the W eb redir ection c omponent and IEEE 802.
1. 9 . Deploying the SMCWHSG44 -G Aft er the set tings hav e been conf igured, deplo y the Wir eless Hotspot Gate w ay t o the field application en vironment .
name and pass wor d inf ormation must be s et up on the RADIUS serv er or Loc ally on the Wir eless Hotspot Gat ew ay . On the other hand, if IEEE 802. 1x EAP- TLS authentication me thod is used, a digital c ertificate must be installed on the c omputer or PD A and on the back end R ADIUS serv er .
current IP addr es s and reobt aining an IP addres s. IPC onfig.e x e is a command-line progr am, and the / r elease option r eleases the curr ent IP addr ess and the / rene w option triggers the W indows DHCP client sub sy st em to r e-obtain an IP addr ess.
Fig. 31. Authentic ation Suc cess . Fig. 32. L og-Off Windo w . 6. Click Log Off within the log-of f window t o end the ses sion. NO TE : On a PD A such as Pock et PC, the log-of f would not be sho wn. T o log of f from the net work, go b ack to the Log-on p age, and then click L og Off t o end the ses sion.
2. Using W eb-Based Ne tw ork Manager In this section, w e will explain each W eb management page of the W eb-bas ed Netw ork Manager in det ail. 2. 1. Ov erview Fig. 34. Home P age . 2. 1. 1. Menu Structur e The left side o f the start page c ontains a menu for y ou t o carry out commands .
• Firmw ar e T ools. F or upgr ading the firmw ar e of the R outer and backing up and re st oring configur ation s ettings. • Time Z one. T ime zone and SNTP ( Simple Netw ork Time Pr otocol) serv er settings . • T CP /IP . T CP /IP-r elated se ttings.
authenticat ed by SMC WHSG44-G. A uthenticated us ers c an also be terminat ed in this table . • Ac count T able. Manually gener ate s new user s, or is aut omatically populat ed with acc ounts after ent ering amount of time r equir ed via the ke ypad.
2.2.2. A uthenticated U sers Fig. 38. A uthenticat ed Users . On this page , the stat us information o f each authenticat ed user , including its current idle time , user name , IP addr ess, MA C addr ess, and s tatus, is sho wn.
On this page , all the regis ter ed users in loc al user dat abase ar e shown. An activ ated user is identified b y its MA C addres s, login time and the ' Active ' display under the 'S tatus ' column. 2.2.4 . Ses sion List Fig. 42.
2.3. S Y S TEM 2.3. 1. Specifying Operational Mode Fig. 44. Oper ational Modes . On this page , you c an specify the oper ational mode for the R out er .
NO TE : When the R outer is in R outer with Multiple DSL/ Cable Connections mode, c onnect y our first D SL/ Cable c onnection to W AN, the second t o LAN 1, the thir d to LAN 2, and the f ourth to LAN 3.
with some W eb br ow ser s. If you c annot succ essfully perf orm HTTP-based firmw ar e management oper ations with your W eb brow ser , try the TFTP- based w a y . 2.3.3. 1. Upgrading Firm w are b y HTTP Fig. 48. Firm war e Upgr ade by HTTP . T o upgrade firm war e of the SMCWHSG44 -G by HTTP: 1.
2.3.3.3. Upgr ading Firm w are b y TFTP Fig. 51. TFTP Serv er Set tings. When using TFTP as the firm war e management pr otoc ol, you c an conf igure set tings for the SMC WHSG44-G's TFTP client t o communic ate with a TFTP serv er .
Fig. 53 . TFTP Serv er . NO TE : Aft er the dialog box o f the TFTP server pr ogr am appear s, be sur e to specify the w orking folder within which the do wnloaded firmw ar e files re side. NO TE : Make sur e the Ac cept r ead r equests check bo x of TFTP S erver is select ed.
2. Connect the comput er and one of the LAN E thernet swit ch port with a normal Etherne t cable . 3. Conf igure the IP addr ess o f the comput er so that the comput er and the SMCWHSG44 -G are in the same IP subnet . 4. On the c omputer , run the TFTP Serv er utility .
2.3.3.5 . R eset ting C onfigur ation t o F actory Defaults Fig. 55 . Con figur ation Re set. Clicking the Re set but ton r eset s the devic e configur ation t o f actory def aults . W ARNING: Once you click R es et you will lo se all your curr ent c onfigur ation set tings.
If the SMCWHSG44 -G was s et to be in R out er with a PPPoE -Based DSL/ C able Connection mode , tw o IP addre sses ar e needed: one f or the Etherne t LAN interf ace and the other f or the W AN interf ace . The LAN IP addre ss must be se t manually to a priv ate IP addr ess , say 19 2.
As for the W AN IP addr ess, it is obt ained by DHCP fr om the ISP . The T rigger mode set ting aff ects the behavior o f the DHCP client of the R outer . In Aut o mode, y ou don 't have t o worry about the DHCP pr oces s; the devic e tak es car e of e verything.
2.4 . 1.4 . R outer with Multiple D SL/ C able Connections Fig. 60. T CP /IP Settings f or Rout er with Multiple DSL/ C able Connections Mode . Since the Int ernet connection c an be PPPoE -based, DHC.
Fig. 61. DNS Pr ox y under Multi- W AN Mode . 2.4 .2.2. Host A ddres s R esolution Fig. 62. Hos t Addr ess R esolution Mappings . The SMC WHSG44-G pr ovides the Hos t Addr ess R esolution t o pr ovide the local DNS s erver cap ability .
A DMZ (DeMilitariz ed Z one ) host r eceiv es all unrec ognized T CP /IP pack ets from the NA T server on the R outer; ther efor e T CP /IP netw orking applica- tions running on the DMZ host w ould hav e bett er compatibilit y with NA T .
2.4 .4. 1. DHCP Server i. Basic Fig. 65 . Basic DHCP serv er settings . The SMC WHSG44-G can aut omatically as sign IP addres ses t o client comput- ers b y DHCP .
T o alwa ys as sign an IP addres s to a specific DHCP client: 1. Specify the MA C addre ss of the DHCP client and the IP addr ess t o be assigned t o it. Then, giv e a description f or this mapping. 2. Select the corr esponding Enabled check box. 2.4 .
Fig. 69 . Load Balancing P olicy S ettings. 2.4 .6. Z ero Client R econ figur ation Fig. 7 0 . Z ero Client R econ figur ation Settings . The SMC WHSG44-G pr ovides the 'Z er o Client R econf igu.
client can as sociate with the SMC WHSG44-G. The P olicy se tting allow s y ou to run in mode , B only or G only . In mixed mode both 802. 11b and 802. 11g clients ar e able to c onnect. In B only mode only 802. 11b clients can connect , and in G only mode only 802.
notebook c omputer s. In this w ay , the SMCWHSG44 -G play s a role o f “ AP repe ater . ” NO TE : The SMCWHSG44 -G can ha ve up to 6 WD S links t o other wireles s AP /bridge . Fig. 7 3. Wir eles s Distribution S yst em Set tings. T o enable a WDS link: 1.
Fig. 7 5 . Netw ork T opology Containing a L oop. 2.5.2. S ecurity IEEE 802. 11b/ g securit y settings include S SID broadc asts , Client Isolation, IEEE 802. 11 Authentication algorithm, WEP , WP A, and MA C - Addr ess -Based Access Con tro l. 2.5 .2.
When the se tting is set t o " All AP s in This Subnet ", tr affic among wir eless user s of diff er ent SMCWHSG44-Gs in the same IP subnet is block ed. The behavior s are illus trat ed in the f ollowing figur es. Fig. 77 . Behavior of the “T his AP Only” Wir eless Client Isolation Option.
NO TE : The number of char act ers o f the Pre-shar ed k ey se tting must be at least 8 and c an be up to 63 . • IEEE 802. 1x EAP without Encryption (EAP-MD5). The IEEE 802. 1x functionality is enabled and the us er-name/ pass wor d-based EAP-MD5 authentication is us ed.
With MA C - Addr ess -Based A cce ss Contr ol, y ou can specify the wir eless clients ( ST As or Bridge Sla ves ) that ar e permitt ed or not permitt ed to ass o- ciate with the SMC WHSG44-G. W hen the table type is s et to inclusiv e, entries in the table ar e permitt ed to as sociat e and all other users ar e blocked.
st ored in the c omputer har d disk or a smart car d for authentic ation. And after a suc ces sful EAP- TLS authentication, a session k e y is automatic ally gener ated f or wirele ss pack ets encryption bet ween the wir eless client c om- puter and it s associat ed wireles s acc ess point.
2.6. Con figuring A uthentication Set tings The SMC WHSG44-G supports both IEEE 802. 1x-based and W eb redir ection-based user authentic ation. Here is a brief de scription of ho w W eb r edirection w.
2.6. 1. AAA 2.6. 1. 1. Basic Fig. 83. W eb-Redir ection Enabled with Authentication. Ther e ar e three modes f or W eb r edirection-Enabled with A uthentication, Enabled without Authentic ation, and Disabled. In Enabled with Authentic ation mode, y ou hav e tw o options.
Fig. 85 . Def ault Log-Off P age . NO TE : On a PD A such as Pock et PC, the log-of f would not be sho wn. T o log of f from the net work, go b ack to the log-on page , and then click Log Of f to end the ses sion.
2.6. 1.2. Unr estrict ed Clients Fig. 88. Unre stricted Client s Set tings. Ther e are oc casions on which y ou w ant some c omputer s to be able t o freely acc ess the Int ernet without being authenticat ed firs t.
2.6. 1.3. W alled Garden Fig. 89 . W alled Gar den Settings . IP addre sse s or URLs in the walled gar den c an be acce ssed without authen- tication. T his feat ure is useful f or WISPs t o do advertisement.
F or the SMCWHSG44 -G, the R ADIUS client component of the R outer is shared b y the IEEE 802. 1x and W eb redir ection components . The R ADIUS set tings are f or the RADIUS client t o communic ate with back end RADIUS serv ers.
2.6.3. A uthentication Ses sion Contr ol Fig. 9 2. Authentication S ession C ontrol S ettings. Authentic ation session c ontrol s ettings ar e for c ontrolling the lif etimes o f user authentic ation sessions . The Idle timeout set ting specifies how long a user c an be idle without generating an y tr affic bef ore being t erminated.
Fig. 94 . Authentic ation Succ ess P age Cus tomization S ettings . Fig. 95. A uthentication F ailure P age Cus tomization S ettings. In addition to the T ext alignment, HTML title , and Cont ents se tting, tw o more set tings are pr ovided f or specifying the siz e of the Log-Of f window (Windo ws width and Windo w height).
Fig. 97 . Adv ertisement Links Set tings. Fig. 98. Adv ertisement Links in A ction. 2. 7 . DDNS Fig. 99 . Dynamic DNS Se ttings. With the help of dynamic DNS (DDNS ) servic es pr ovided b y dyndns.
2.8. C onfiguring A dvanc ed Set tings 2.8. 1. Filt er s and Fire w all 2.8. 1. 1. P acke t Filter s Fig. 100. P ack et Filt ers Se ttings. Y ou can specify rule s for the fir ew all c omponent of the R outer t o check outgoing p acke ts. P ack ets that meet the rules c an be permitt ed or denied.
T o set a rule f or packe t filtering: 1. Specify the pr otoc ol type , sour ce IP addr ess , sourc e IP mask, destination IP addre ss, de stination IP mask, and destination port f or the rule. T hen specify in the A ction setting ho w to de al with a packe t that meets the rule .
2.8. 1. 4. URL Filt ers Fig. 103 . URL Filter s Settings . The SMC WHSG44-G is cap able of blocking HTTP tr affic fr om the intr anet to specified unw elcome W eb sit es. T o block HTTP traffic t o an un welcome W eb site: 1. Specify the URL ( e x. www .
2. T ype the St arting IP address and the End IP A ddre ss of the ho st IP addre ss r ange . 3. Select the corr esponding check bo x next t o the IP addre ss r ange. 2.8.2.2. UPnP Fig. 105. UPnP S ettings. UPnP (Univer sal Plug and Play ) enables a W indow s XP user to aut omatically disc over peripher al de vice s by HTTP .
2.8.2.4 . SNMP Fig. 107 . SNMP Settings. The SMC WHSG44-G can be managed b y SNMP (Simple Ne twork Management Prot ocol). Y ou can specify the name ( used as a pas sw ord) o f the re ad-only and read-writ e communit y . In addition, up to 5 SNMP tr ap tar gets c an be set in the SNMP T rap t able.
3. The 'Denied' columns c an be also specified by selecting the head of line s (time ) or c olumns ( date ). Wir eless user s cannot ac ces s the internet r es ourc es in the specified date / time columns.
and Devic e Port. In other w ords , this reque st is pass ed through the built -in NA T serv er of the R outer and r outed t o the corr esponding man- aged LAN devic e. F or e xample , Fig. 111 illustr at es a LAN devic e management sc enario based on the set tings value s in Fig.
Appendix A A - 1: Default S ettings TIP : Pre ss the r eset but ton o f a pow ered-on R outer t o re set the con figur ation set tings to f actory -set v alues.
A - 2: LED Definitions Ther e ar e sev er al LED indicat ors on the housing of a R out er . They ar e defined as follo ws: • PWR : Po wer • AL V : Alive.
B- 1: T CP /IP Setting Pr oblems Fig. 113. C ommunication S tages f or A Client to Re ach its Corr espondent Hos t. F or a client c omputer t o communicat e with a corr espondent hos t on the Interne t by the hos t's domain name ( e.g. ht tp:// www .
• Check if the RADIUS serv er is set t o use EAP-MD5 , P AP , and CHAP authentication. • The SMC WHSG44-G does not r espond t o ping from the client c omputer . • Are t wo or mor e NICs ( wir eless or wir ed) inst alled on the client comput er? • Use W indows -pr ovided De vice Manager t o disable unnecessary NIC s.
B- 2: Wireles s Set tings Problems • The wir eless client c omputer c annot associat e with an SMCWHSG44-G . • Is the wirele ss client set in in fr astructur e mode ? • Check the oper ating mode of the WLAN NIC.
Appendix C: Dist ance s and Data R at es Important Notice: Maximum dis tance s post ed below ar e actual te sted dis- tanc e thre sholds. How ev er , there ar e many v ariables such as b arrier compo-.
Appendix D: T echnical Specifications D- 1: SMCWHSG44-G St andards • 802. 11b • 802. 11g •8 0 2 . 3 •8 0 2 . 3 u • 802.3af Data R ate • 802. 11g: 6, 9 , 11, 12, 18, 2 4 , 36, 48, 54 Mbps per channel • 802. 11b: 1, 2, 5.5, 11 Mbps per channel Modulation T ype • 802.
92 Electromagnetic C ompatibilit y • F CC Clas s B • Industry Canada •C E • ETS 3 00.3 2 8; ETS 3 00 82 6 Po wer S upply • Input: 100V AC 60Hz • Output: 12VDC, 1A Dimensions ( without antenna ) • 8. x 5.5 x 1.2 5 in • 21.6 x 14 x 3.2 cm We i g h t • 0.
93 Glos sar y 10BA SE - T IEEE 802.3 specification f or 10 Mbps E thernet ov er tw o pairs o f Cat egory 3 or bett er UTP cable . 100BA SE - TX IEEE 802.3u specification f or 100 Mbps F ast Ethernet o ver t wo pair s of Cat egory 5 or bett er UTP cable .
Dynamic Host C onfigur ation Prot ocol (DHCP) Pro vides a fr ame work f or passing c onfigur ation inf ormation to ho sts on a T CP /IP netw ork. DHCP is based on the B ootstr ap Prot ocol (B OOTP), adding the capabilit y of aut omatic allocation o f reusable net work addr es ses and additional con figur ation options.
Infr astructur e An integr at ed wirele ss and wir ed LAN is called an infr astruct ure c onfigur ation. Inter A cc ess P oint Protoc ol (IAPP) A prot ocol that specifie s the wirele ss signaling requir ed t o ensure the suc- ce ssful handov er of wir eless client s roaming bet ween dif fer ent 802.
Service Se t Identifier (SSID ) An identifier that is att ached to pack ets s ent over the wir eles s LAN and functions as a pass wor d f or joining a particular radio c ell; i.
802. 11 wireless ne tw orks. Wired E quiv alent Privac y (WEP) WEP is based on the us e of securit y ke ys and the popular R C4 encryption algorithm. Wir eless de- vices without a v alid WEP k ey will be e xcluded fr om netw ork tr affic.
98.
FOR TECHNICAL SUPPORT , CALL: Fr om U.S.A. and Canada (24 hours a da y , 7 days a week) (800) SMC-4-Y OU; Phn: (949) 679-8000; F ax: (949) 679-1481 Fr om Europe : Contact details can be found on www .smc-europe.com or www .smc.com INTERNET E-mail addresses: techsupport@smc.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté SMC Networks SMCWHSG44-G c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du SMC Networks SMCWHSG44-G - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation SMC Networks SMCWHSG44-G, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le SMC Networks SMCWHSG44-G va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le SMC Networks SMCWHSG44-G, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du SMC Networks SMCWHSG44-G.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le SMC Networks SMCWHSG44-G. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei SMC Networks SMCWHSG44-G ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
