Manuel d'utilisation / d'entretien du produit 6211-I1 du fabricant Paradyne
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6211-I1 Router User’ s Guide Document No. 6211-A2-GB21-30 A ugust 2005.
A August 2005 6211-A2-GB21-30 Copyright 2005 P aradyne Corporation. All rights reser ved. Printed in U .S.A. Notice This publication is protected b y feder al copyright law .
6211-A2-GB21-30 August 2005 B Important Safety Instructions 1. Read and follo w all warning notices an d instructions mar k ed on the p roduct or included in the manual.
C August 2005 6211-A2-GB21-30 This equipment has been tested and found to comply with the limits f or a Class B digital de vice, pursuant to P ar t 15 of the FCC Rules. These limi ts are designed to provide reasonab le p rotection against har mful interference in a residential installation.
6211-A2-GB21-30 August 2005 D Notice to Users of the Ca nadian T elephone Network NO TICE: This equipment meets t he applicable Industr y Canada T er minal Equi pment T echnical Specif ications.
E August 2005 6211-A2-GB21-30.
6211-A2-GB21-30 August 2005 i Contents About This Guide Document Pur pose and Intended Audience . . . . . . . . . . . . . . . . . . . . v Document Sum mary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v Product-Rela ted Documents .
Contents ii August 2005 6211-A2-GB21-30 Route . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8 ARP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Contents 6211-A2-GB21-30 August 2005 iii 6 Diagnostics Testing the D SL Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1 7 Management Saving and Res toring the Config uration . . . . . . . . . . . . . . . . . . . .
Contents iv August 2005 6211-A2-GB21-30.
6211-A2-GB21-30 August 2005 v About This Guide Document Purpose and Intended A udience This guide contai ns detailed inf ormation about the 6211-I1 rout er . It is intended f or all users of the route r . Document Summary A master glossary of terms and acrony ms used in P aradyne documents is av ailable online at www .
About This Guide vi August 2005 6211-A2-GB21-30 Pr oduct-Related Documents Complete document ation f or P aradyne product s is av ailabl e online at www .paradyne.com . Select Suppor t → T echnical Manuals . T o order a pape r cop y of a Paradyne document, o r to speak with a sales representat ive , please call 1-727-530- 2000.
6211-A2-GB21-30 August 2005 1-1 1 Intr oduction Intr oduction Congr atulations on becoming the o wner of a 6211 ADSL router . This User’ s Guide will sho w you ho w to set up the router , and ho w to customize its configura tion to get the most out of th is product.
1. Introduction 1-2 August 2005 6211-A2-GB21-30 — Windows 95b , 98, 98SE, 2000, ME, NT , or XP (Note: Windows 95 re quires the installation o f the Winsoc k progr am, not included. Win dows 95 an d 98 do not support USB.) — (Optional) An Ethe r net hub or s witch, if you wish to conne ct the router to se ver al computers on an Ethernet network.
1. Introduction 6211-A2-GB21-30 August 2005 1-3 Fr ont Panel The front pane l contains LED indicators that show the status of the unit. Figure 1-2. Front P anel LEDs T able 1-1.
1. Introduction 1-4 August 2005 6211-A2-GB21-30 Rear Panel The rear panel co ntains the por ts f or the router's data a nd power connections. T able 1-2.
6211-A2-GB21-30 August 2005 2-1 2 Hard war e Installation and PC Setup Overview This chapter provides basic instructions for con necting the rout er to a computer or a LAN and to the Inte r net using DSL.
2. Hardware Installation and PC Setup 2-2 August 2005 6211-A2-GB21-30 — If y our LAN has more than one computer , y ou can attach one end of an Ethernet cable to a hub or a switch an d the other to the LAN port of the router . Either a crosso ve r or straight-throu gh Ethernet cable can be used.
2. Hardware Installation and PC Setup 6211-A2-GB21-30 August 2005 2-3 If the LEDs are illuminated as e xpect ed, the router is working proper ly . T able 2-1. LED Indicators This LED . . . Should be: POWER Solid green to indicate that the device is turned on.
2. Hardware Installation and PC Setup 2-4 August 2005 6211-A2-GB21-30 Installing the USB Driver The f ollowing section ap plies only if you use the USB connector on the router . If yo u connect the USB cab le betw een your PC and the route r , Windows detect s the new har dware and the F ound New Hardw are Wizard appears on you r PC monitor .
2. Hardware Installation and PC Setup 6211-A2-GB21-30 August 2005 2-5 2. Inser t the supp lied CD ROM and use Br owse to include t he CD drive in the search. Figure 2-3. Search and Installation Options 3. If the Wizard repor ts a compatibilit y issue, select "Contin ue Anywa y".
2. Hardware Installation and PC Setup 2-6 August 2005 6211-A2-GB21-30 Figure 2-5. Progr ess Screen 4. When prompted, clic k on Finish to close the Wizard.
2. Hardware Installation and PC Setup 6211-A2-GB21-30 August 2005 2-7 Conf iguring Y our Computer Bef ore you can access the router o ver t he LAN or the USB por t, y ou hav e to configure y our PC's TCP/IP address to be 19 2.168.1.x (where x is an y number between 3 and 254), with a su bnet mask of 255.
2. Hardware Installation and PC Setup 2-8 August 2005 6211-A2-GB21-30 Figure 2-8. Local Area Connect ion Pr operties (Windows XP) 5. In the Internet Protocol (TCP/IP) Properties dialog bo x, click on the r adio but ton labeled Use the f ollowing IP address .
2. Hardware Installation and PC Setup 6211-A2-GB21-30 August 2005 2-9 Windo ws 2000 PCs 1. In the Win dows task bar , click on the S tar t button, point to Setting s, and then click on Control P anel. 2. Double-clic k on the Network and Dial-up Connections icon.
2. Hardware Installation and PC Setup 2-10 August 2005 6211-A2-GB21-30 4. If Internet Protocol (TCP/ IP) does not appear as a n installed component, clic k on Add. 5. In the Select Netw ork Component T ype dialog bo x, select Protocol, and then click on Add.
2. Hardware Installation and PC Setup 6211-A2-GB21-30 August 2005 2-11 8. After restarting your PC , open the Control P anel windo w , and then clic k on the Network icon. 9. Select the netw ork component labeled TCP/IP , and then clic k on Proper ties.
2. Hardware Installation and PC Setup 2-12 August 2005 6211-A2-GB21-30 Logging in to Y our Router This section sho ws how to connect to the ro uter's web interf ace, configure settings , and observe some statistics of your Internet connection. 1.
2. Hardware Installation and PC Setup 6211-A2-GB21-30 August 2005 2-13 Figure 2-11. W eb Interface Home P age.
2. Hardware Installation and PC Setup 2-14 August 2005 6211-A2-GB21-30.
6211-A2-GB21-30 August 2005 3-1 3 De vice Inf o rmation Status Summary Displa y the general st atus repor t f or the router by clic king on Summary under De vice Info ( Figure 3-1 ).
3. Device Info rmation 3-2 August 2005 6211-A2-GB21-30 WA N Displa y the W AN status repor t from the b y clicking on W AN under De vice Inf o ( Figure 3-2 ).
3. Device Information 6211-A2-GB21-30 August 2005 3-3 LAN Statistics Displa y LAN statistics by clic king on LAN under Statistics ( Figur e 3-3 ). Figure 3-3.
3. Device Info rmation 3-4 August 2005 6211-A2-GB21-30 WA N S t a t i s t i c s Displa y W AN statistics by clic king on W AN under Statistics ( Figure 3-4 ).
3. Device Information 6211-A2-GB21-30 August 2005 3-5 A TM Statistics Displa y A TM statistics by clic king on A TM under Statistics ( Figure 3-5 ). Figure 3-5.
3. Device Info rmation 3-6 August 2005 6211-A2-GB21-30 ADSL Statistics Displa y ADSL statistics by clicking on ADSL under Statistics ( Figure 3-6 ). Figure 3-6.
3. Device Information 6211-A2-GB21-30 August 2005 3-7 ADSL BER T est The ADSL Bit Error Rate (BER) test de termin es the quality of the ADSL connection. The te st is perf ormed by transf erring idle cells containing a kno w n pattern and comparing the receiv ed data with this kno wn pattern to check f or any errors ( Figure 3-7 and Figure 3-8 ).
3. Device Info rmation 3-8 August 2005 6211-A2-GB21-30 Figure 3-8. ADSL BER T est — Result Route Obtain the Routing statu s repor t by clic king on the Route item under De vice Info ( Figure 3-9 ) Figure 3-9.
3. Device Information 6211-A2-GB21-30 August 2005 3-9 ARP Displa y the ARP status repor t b y c lic king on ARP under De vice Info ( Figur e 3-10 ) Figure 3-10.
3. Device Info rmation 3-10 August 2005 6211-A2-GB21-30.
6211-A2-GB21-30 August 2005 4-1 4 Quick Setup Quick Setup with A uto-Connect Enabled A uto-connect will automatically detect th e first usable PVC and automatically detect PPP oE, PPP oA, and Bridge Protocol (with DHCP Server a v ailable). T o use auto-conn ect: Procedur e 1.
4. Quick Setup 4-2 August 2005 6211-A2-GB21-30 2. Select DSL A uto-Connect, then clic k on Ne xt. The prog ress inf or mation screen appears . Figure 4-2.
4. Quick Setup 6211-A2-GB21-30 August 2005 4-3 Quick Setup with A uto-Connect Disabled Procedur e 1. Select Qui ck Setup . The Quic k Setup initial screen appears. Figure 4-4. Specifying VPI and VCI 2. V erify that DSL A uto-Connect is not selected. Specify VPI and VCI as directed by y our ISP .
4. Quick Setup 4-4 August 2005 6211-A2-GB21-30.
6211-A2-GB21-30 August 2005 5-1 5 Adva nced Setup WA N Set up W AN parameters as dire cted by y our ISP . Figure 5-1. W AN Setup Scr een.
5. Advanced Setup 5-2 August 2005 6211-A2-GB21-30 Add Function – A TM PVC Conf iguration If yo u want to add a ne w rule f or the W AN interf ace, clic k on the Add bu tton.
5. Advanced Setup 6211-A2-GB21-30 August 2005 5-3 Connection T ype Screen Select the ty pe of networ k protocol an d encapsulation mode ov er the A TM PVC that your ISP has ins tructed you to use, then click on Next button. Figure 5- 3. Connection T ype Scr een Select a connection type and clic k on Next.
5. Advanced Setup 5-4 August 2005 6211-A2-GB21-30 Bridge Service and Quality of Serv ice Screen This W AN ser vice can be enab led or disabled b y clicking in the chec k bo x. Enabl ing QoS f or a PVC improv es performance f or selected classes of applications .
5. Advanced Setup 6211-A2-GB21-30 August 2005 5-5 W AN Setup - Summary Mak e sure that the settings on the W AN Setup screen match the set tings provided by your ISP . If all settings are cor rect, click on the Sa ve button to sa ve these settings; if n ot, click on the Back b utton to mak e any modifica tions.
5. Advanced Setup 5-6 August 2005 6211-A2-GB21-30 Remove Function If you want to delete a conne ction from the lis ted W AN setu p , c lic k in the Re mov e chec k box ne xt to the item, then clic k on the Remov e button.
5. Advanced Setup 6211-A2-GB21-30 August 2005 5-7 Local Ar ea Network (LAN) Setup Y ou can configure the DSL Router IP address and Subnet Mask f or the LAN interf ace to conf or m y our LAN's IP Subnet. The Sa ve b utton only sa ves the LAN configuratio n data.
5. Advanced Setup 5-8 August 2005 6211-A2-GB21-30 NA T Y ou can configure the Virtual Ser v er , P or t T riggering, and DMZ Host when NA T is enab led. V irtual Servers A vir tual ser v er allows y ou to direct incomi ng traffic from the W AN s ide to a specific IP address on the LAN side.
5. Advanced Setup 6211-A2-GB21-30 August 2005 5-9 Y ou can select a Service or make ne w one. Enter the Server I P Address, then clic k on Sa ve/App ly to submit your configur ation. Figure 5-9. Virtual Server Add Scr een On this screen you can view and delete ser v ers.
5. Advanced Setup 5-10 August 2005 6211-A2-GB21-30 P ort T riggering Click the on the Add button to add P or t T riggering for y o ur Internet application. Figure 5-11. Port T riggering Setup Page Y ou can select an application e very time or create ne w one f or you r application.
5. Advanced Setup 6211-A2-GB21-30 August 2005 5-11 On this screen you can vie w and delete applications. Click in the check bo x under Remov e and click on the Remo ve b utton to delete select ed applications.
5. Advanced Setup 5-12 August 2005 6211-A2-GB21-30 DMZ Host Y ou can define the IP address of the DMZ Host on this scre en. Enter the IP address and clic k on Sav e/Apply .
5. Advanced Setup 6211-A2-GB21-30 August 2005 5-13 Fir ewall F or security reasons, fire wall options can be configured on ly from the LAN side of the router. IP Filtering – Outgoing The outgoing filter will bloc k th e traffic from the LAN side to the W AN side.
5. Advanced Setup 5-14 August 2005 6211-A2-GB21-30 Input the filter nam e, sourc e inf or mation (from the LAN side), and Destin ation inf ormation (from the W AN side). Then click on Sav e/Apply . Figure 5-16. IP Filtering - Outgoing Filter Add Page Y ou can view an d delete the outgoing filt er settings on this scree n.
5. Advanced Setup 6211-A2-GB21-30 August 2005 5-15 IP Filtering – Incoming Incoming filter filters t he traffic from the W AN side to the LAN side . Click on Add to add incoming filter sett ings.
5. Advanced Setup 5-16 August 2005 6211-A2-GB21-30 Enter a filter name , information about the sour ce address (from the W AN side), and inf or mation about the desti nation address ( to the LAN side) . Select the protocol and W AN interf ace. Then clic k on Sav e/Apply to add the sett ing.
5. Advanced Setup 6211-A2-GB21-30 August 2005 5-17 Fire wall – MA C Filtering MA C filtering can f orward or b lock traf fic by MAC addre ss. Y ou can change the policy or add settings to t he MAC filtering tab le using the MAC Filtering Setup screen.
5. Advanced Setup 5-18 August 2005 6211-A2-GB21-30 If y ou want to add a se tting to the MA C filtering table , enter the Source and Destination MA C address, and select prot ocol type, fr ame direction, and W AN interf ace. Then clic k on Sav e/Apply to sav e it.
5. Advanced Setup 6211-A2-GB21-30 August 2005 5-19 Par ental Control Use the P arental Control f eature to restrict the da ys and times a par ticular de vice is allow ed to access the Internet. Figure 5-25. Par ental Control Screen T o set up parental controls: 1.
5. Advanced Setup 5-20 August 2005 6211-A2-GB21-30 2. Enter a U ser Name to iden tify the target of t he restrict ions. 3. Enter the MA C address of the network adapter to be re stricted, and, optionally , another MA C address. 4. Select the da ys of the week the restriction is in f orce.
5. Advanced Setup 6211-A2-GB21-30 August 2005 5-21 Click on Add and the Add Network T raffi c Class Rule screen a ppears. En ter and select QoS paramete rs, then click on Sa ve/Apply . Note that 802.1p Prior ity and T OS are mutually e xclusive . Figure 5-28.
5. Advanced Setup 5-22 August 2005 6211-A2-GB21-30 Routing – Default Gateway Y ou can change the Def ault Gatew a y on the Routing - Def ault Gate wa y screen.
5. Advanced Setup 6211-A2-GB21-30 August 2005 5-23 Routing – Static Route Use the Routing - Static Rout e screen to add a static route to the rou ting table . Figure 5-31. Static Route Setup Enter the rout e inf or mation and click on Save /Apply to make it activ e.
5. Advanced Setup 5-24 August 2005 6211-A2-GB21-30 Routing – RIP If RIP is enable d, the router oper ation can be configured as Activ e or Passiv e. Figure 5-33. RIP Setup DNS Serv er Use the DNS Server screen to reque st automatic assignment of a DNS o r to specify a pr imar y and secondar y DNS.
5. Advanced Setup 6211-A2-GB21-30 August 2005 5-25 Dynamic DNS Use the Dynamic DNS screen to alias a dynamic IP addr ess to a static hostname, allowing y our router to be easily accessed from an ywhere on the Internet. Figure 5-35. Dynamic DNS T o set up a Dynamic DNS entry: 1.
5. Advanced Setup 5-26 August 2005 6211-A2-GB21-30 2. Select a D-DNS Provid er from the drop-do wn list. 3. Enter the Hostname y ou hav e selected f or the interf ace.
5. Advanced Setup 6211-A2-GB21-30 August 2005 5-27 Phone Line Pair The 6211 ADSL router sup por ts phone lines on pins 2 and 3 or pi ns 1 and 4 to connect your ADSL line.
5. Advanced Setup 5-28 August 2005 6211-A2-GB21-30 DSL Advanced Settings Do not change the DSL Adv anced Settings unless so directed b y your ISP . T o view the DSL Adv anced Settings screen, clic k on the Adv anced Settings b u tton on the DSL Settings screen (see Fig ure 5-37 ).
5. Advanced Setup 6211-A2-GB21-30 August 2005 5-29 T one Selection T o vie w the ADSL T one Setti ngs screen, click on the T one Selection bu tton of the DSL Adv anced Settings screen (see Fig ure 5-38 ). The frequency ba nd of ADSL is split up into 256 separate t ones, each spaced 4.
5. Advanced Setup 5-30 August 2005 6211-A2-GB21-30 Po r t M a pp i n g Use the P or t Mapping screen to map mult iple por ts to a PVC and create bridging groups. Each group will perf or m as an indep endent network. Figure 5-40. Port Mapping T o create a new mapping g roup: 1.
5. Advanced Setup 6211-A2-GB21-30 August 2005 5-31 2. Enter a unique Gro up name. 3. Select interf aces from the a vailab le interf ace list and add them to the grouped interf ace list using the arrow b uttons to create th e required mapping of the por ts .
5. Advanced Setup 5-32 August 2005 6211-A2-GB21-30.
6211-A2-GB21-30 August 2005 6-1 6 Diagnostics T esting the DSL Connection Y our router is capab le of testing y our DSL connection. Th e individual tests are listed below . If a test displays a f ailure status, clic k on "T est" at the bottom of this page to make sure t he f ailure status is consistent.
6. Diagnostics 6-2 August 2005 6211-A2-GB21-30.
6211-A2-GB21-30 August 2005 7-1 7 Management Sa ving and Restoring the Configuration The configur ation of your router can be back ed up to a file, and also can be restored from a file. Y ou can also restore th e router to its f actor y def ault configuration.
7. Management 7-2 August 2005 6211-A2-GB21-30 V er ify that y ou would lik e to sav e the file. Figur e 7-2. Backup Settings Upload Conf irmation Select the location wher e you wa nt to sav e the file.
7. Management 6211-A2-GB21-30 August 2005 7-3 Restoring Conf iguration Settings T o restore sav e d settings, select Management -> Set tings -> Restore User Settings. Figure 7-4. Restore User Settings Scr een Select the bac kup file y ou want to restore and click on Update Settings .
7. Management 7-4 August 2005 6211-A2-GB21-30 The router will restore setti ngs and reboot to activate the restored settings. Figur e 7-6. Upload in Pr ogre ss Screen.
7. Management 6211-A2-GB21-30 August 2005 7-5 Restoring Default Settings Restore Def ault will erase all current setti ngs and restore the router to f actor y def ault settings. T o rest ore the router to f actor y def ault setting s, select Manageme nt -> Settings -> Restore Def ault.
7. Management 7-6 August 2005 6211-A2-GB21-30 The router will restore the de fault settings and reboot. Figure 7-9. Restore Default Settings Reboot.
7. Management 6211-A2-GB21-30 August 2005 7-7 System Log The System Log dialog a llows you t o view the System Log an d configure the System Log optio ns.
7. Management 7-8 August 2005 6211-A2-GB21-30 V iew System Log Click on the "Vie w System Log" button to check the log file . Figure 7-11. V iew System Log.
7. Management 6211-A2-GB21-30 August 2005 7-9 Conf igure System Log If the log is enabled, the system will log se lected e v ents: Emergency , Aler t, Cr itical, Error , W ar ning, Notice, I nf or mational, and Debuggi ng. All e vents abov e or equal to the selected log lev el will be logged and displa yed.
7. Management 7-10 August 2005 6211-A2-GB21-30 SNMP Simple Network Management Protocol ( SNMP) allows a managemen t application to retrie ve statisti cs and status from the SNMP agent in the rout er . Use the SNMP screen to set up parameters f or SNMP access.
7. Management 6211-A2-GB21-30 August 2005 7-11 Internet T ime Use the Internet Time screen to specify whether the router uses Sim ple Network Time Protocol (SNTP) t o obtain the time of da y from SNTP ser v ers on the Internet. T o set up the rout er to obtain ti me from an SNTP ser v er : 1.
7. Management 7-12 August 2005 6211-A2-GB21-30 Access Contr ol – Services Y ou can enab le or disab le some services of your router b y LAN or W AN. If no W AN connection is defined, only the LAN sid e can be configured. Figure 7-15. Services Setup If a W AN connection is defined , ser vices of both the LAN side and W AN side can be configur ed.
7. Management 6211-A2-GB21-30 August 2005 7-13 Access Contr ol – IP Addresses W eb ac cess to the rout er can be limited wh en Access Control Mode is enabled. The IP addresses of allo wed hosts can be added using Access Control - > IP Address. Figure 7-17.
7. Management 7-14 August 2005 6211-A2-GB21-30 First, add the IP ad dress to the IP address list. Figure 7- 18. Access Control – IP Addr ess Add Screen Then select "Enab led" to enab le Access Control Mode .
7. Management 6211-A2-GB21-30 August 2005 7-15 Access Contr ol – Passwords Use Access Con trol -> P asswords to change a p ass word. Select an account and enter the current pass word and the ne w password.
7. Management 7-16 August 2005 6211-A2-GB21-30 Reboot Router Select Management -> Reboot Router to reboo t the router using the w eb interf ace. The router will sa ve the current configur ation and reboot itself using the new configuratio n. The rebooting process tak es about two minutes t o complete.
7. Management 6211-A2-GB21-30 August 2005 7-17.
7. Management 7-18 August 2005 6211-A2-GB21-30.
6211-A2-GB21-30 August 2005 A-1 A Specif ications Specifications are subj ect to change without notice . T able A-1. 6211-I 1 Specifi cations Specif ication Criteria Environment Operating T emperature.
A. Specifications A-2 August 2005 6211-A2-GB21-30.
6211-A2-GB21-30 August 2005 IN-1 Index A About This Guide, v Access Control IP Address es, 7-13 Passwords, 7-15 Services, 7-12 ADSL, 5-26 BER Test, 3-7 Line connection, 2-1 Statistics, 3-6 Advanced Se.
Index IN-2 August 2005 6211-A2-GB21-30 IP Filtering Incoming, 5-15 Outgoing, 5-13 J Japan Notices, D L Line port, 2-1 Local Area Network (LAN) Setup, 5-7 Statistics, 3-3 Logging In, 3 -1 M MAC Filteri.
Index 6211-A2-GB21-30 August 2005 IN-3 U Update Software, 7-15 USB connection, 2-1 driver, 2-4 User Name Default , 2-12 V View System Log, 7-8 Virtual Servers, 5-8 W WAN, 3-2, 5-1 Setup, 5-5 Statistic.
Index IN-4 August 2005 6211-A2-GB21-30.
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 Paradyne 6211-I1 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 Paradyne 6211-I1 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Paradyne 6211-I1, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Paradyne 6211-I1 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Paradyne 6211-I1, 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 Paradyne 6211-I1.
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 Paradyne 6211-I1. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Paradyne 6211-I1 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.
