Manuale d’uso / di manutenzione del prodotto 6212 del fabbricante Zhone Technologies
Vai alla pagina of 84
6212-I3 4-Port Rou ter User ’ s Guide May 2006 Document Part Number: 6212-A2 -ZB83-20.
Zhone T echn ologies @Zhone W ay 7001 Oa kport Street Oakl and, CA 9 4621 USA 510.77 7.7000 www .zhone .com info@z hone.co m COPYRIGHT 2000– 2006 Zhone T echnolog ies, Inc.
6212- I3 4-Port Ro uter User’s Guid e 3 Important Safety Instructions 1 Read and f ollow all warning notices and i nstruct ions marked on the product or included in t he manual.
4 6212-I3 4-Po rt Router User’s Gu ide CE Marking When the pr oduct is marked wit h the CE mark on the e quipment label, a support i ng Decl aration of Confo rmity may be downloade d from the Zhone W orld W ide W eb site at ww w .
6212- I3 4-Port Ro uter User’s Guid e 5 This equi pment is intende d to connect to t he Public Switched T elephone Network th rough a Univers al Service Or der Code (USOC) type RJ 11C j ack.
6 6212-I3 4-Po rt Router User’s Gu ide NOT ICE: T he Ri nger Eq uiva lence Numb er (REN ) for t his ter minal equipment is labeled on t he equipment. The REN ass igned to each te rminal equipment provides an indi cation of the max imum number of terminal s allow ed to be conn ected t o a tele phone interf ace.
6212-A2-ZB8 3-20 6212-I3 4 -Port Router User ’s Guide 7 C ONTE NT S Document Summary ...................... .................................... .................................... ..... 11 Chapter 1 Introduction ...................... ............
8 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 Chapter 4 Quick Setup ............................... .................................... .................................... ..... 35 Quick Setup with Auto-Connect Enabled ............. ....
6212-A2-ZB8 3-20 6212-I3 4 -Port Router Use r’s Guid e 9 View System Log .............. .................................... .................................... .............. 72 Configure Sys tem Log ................................. .............
10 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20.
6212-A2-ZB8 3-20 6212-I3 4-Port Ro uter User’s Guid e 11 A BOUT T HI S G UIDE This guid e contains deta iled informati on about the 6212-I 2 router . It is intende d for all use rs of the route r . Document Summary Section Desc ription Chapter 1, Intr oduction Descri bes the feature s of the router .
12 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20.
6212-A2-ZB8 3-20 6212-I3 4-Port Ro uter User’s Guid e 13 1 I NTRO DUCTION Congratul ations on becomin g the owner of a 6212 ADSL route r . This User’ s Guide will s how you how to set up t he router , and how to customiz e its configura tion to get the most out of this pro duct.
Introduct ion 14 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 Part s List In addit ion to this doc um ent , your 6212 ADSL r outer should come wi th the followi ng: z 6212 ADSL rout er z Po.
Rear Panel 6212-A2-ZB8 3-20 6212-I3 4 -Port Router Use r’s Guid e 15 Rear Panel Figure 2: Bac k Panel The rear panel contai ns the por ts for the rout er's data and po wer connectio ns. LAN 1–4 Green On: The Ethernet int erface is success fully connect ed to a devic e through t he LAN port.
Introduct ion 16 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20.
6212-A2-ZB8 3-20 6212-I3 4-Port Ro uter User’s Guid e 17 2 H ARDWA RE I NS T ALLATI ON AND PC S ET UP Ove rview This chap ter provides basic in structions for connecting t he route r to a computer o r a LAN and to the Int ernet using DSL.
Hardware Ins tallation and PC Se tup 18 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 Figure 3: Hardw are Inst allation 5 T urn on your PC a nd any other LAN devi ces, such as hubs or switches. 6 T urn on the r outer using it s power switch.
Con figuri ng Yo ur Compu ter 6212-A2-ZB8 3-20 6212-I3 4 -Port Router Use r’s Guid e 19 If the LEDs are illuminated a s expected, the r outer is working properly . Configuri ng Y our Computer Before yo u can access the r outer over the LAN you have to conf igure your PC's TCP/I P address to be 192.
Hardware Ins tallation and PC Se tup 20 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 Figure 5: W indows V ersion Windows XP 1 In the W indows task bar , click on the S tart butt on, and the n click on Control P anel. 2 Double-cl ick on the Netw ork Connections i con.
Con figuri ng Yo ur Compu ter 6212-A2-ZB8 3-20 6212-I3 4 -Port Router Use r’s Guid e 21 Figure 6: Netw ork Connections (Wi ndows XP) Figure 7: Lo cal Area Connection Pr opertie s (Windows XP ) 5 In the I nternet Prot ocol (TCP/I P) Properties d ialog box, click o n the radio button l abeled Use the fo llowing IP addr ess.
Hardware Ins tallation and PC Se tup 22 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 Figure 8: TCP/I P Properties (Window s XP) 6 Click on OK twice to confirm you r changes, an d close the Cont rol Panel. Windows 2000 1 In the W indows task bar , click on t he Star t button, point t o Settings, and then cl ick on Control Panel.
Con figuri ng Yo ur Compu ter 6212-A2-ZB8 3-20 6212-I3 4 -Port Router Use r’s Guid e 23 8 After r estarting your PC, double-click on th e Network and Dia l-up Connecti ons icon in th e Control Panel. 9 In Network and Dial-up Conn ections window , ri ght-click on th e Local Area Connec tion icon, and th en select Proper ties.
Hardware Ins tallation and PC Se tup 24 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 192.168.1.25 4 in the IP Addr ess field and 255 .255.255.0 in the Subne t Mask field. 13 Click on OK t wice to confirm a nd save your change s, and then close the Control P anel.
Logging i n to Your Router 6212-A2-ZB8 3-20 6212-I3 4 -Port Router Use r’s Guid e 25 3 In the Net work dialog box, cl ick on the Proto cols tab. The Proto cols tab displa ys a list of cur rently instal led network protoco ls. If the list includ es TCP/IP , the proto col has alrea dy been enable d.
Hardware Ins tallation and PC Se tup 26 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 Figure 9: Lo gin Screen If you ha ve problem connect ing to the rou ter , verify t hat your PC is properl y configured within the subnet of th e router's defa ult IP addre ss 192.
Logging i n to Your Router 6212-A2-ZB8 3-20 6212-I3 4 -Port Router Use r’s Guid e 27 Figure 10: W eb Interface Home Page.
Hardware Ins tallation and PC Se tup 28 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20.
6212-A2-ZB8 3-20 6212-I3 4-Port Ro uter User’s Guid e 29 3 D EVICE I NF ORMATION S t atu s Summary Display t he general status report for the rout er by clicking on Summar y under Device I nfo ( Figure 1 1 ). Figure 1 1: St atus Summary WA N Display t he W AN sta tus report from the by clicking on W AN under Devic e Info ( Figure 1 2 ).
Device Inform ation 30 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 When a W AN connection i s configur ed, the screen l ooks like Figure 13 . Figure 13: W AN St atus with W AN Connection LAN St atistics Display L A N statist ics by clicking on LAN u nder Stati stics ( Figure 14 ).
ATM Statistic s 6212-A2-ZB8 3-20 6212-I3 4 -Port Router Use r’s Guid e 31 Figure 15: W AN St atistics A TM S t atistics Display A TM statist i cs by clicking on A TM under St atisti cs ( Figure 16 ). Figure 16: A TM St atistics ADSL S tatistics Display ADSL statistics by cl icking on ADSL u nder Stati stics ( Figure 17 ).
Device Inform ation 32 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 Figure 17: ADSL Stat us ADSL BER T est The ADSL Bit Er ror Rate (BER) tes t determines the quality of the ADSL connecti on.
Route 6212-A2-ZB8 3-20 6212-I3 4 -Port Router Use r’s Guid e 33 Figure 18: ADSL BER T es t — S tart Figure 19: ADSL BER T es t — Result Route Obtain t he Routing status re port by clic king on t.
Device Inform ation 34 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 Figure 20: Ro ute Information ARP Display t he ARP stat us report by clicki ng on ARP under Device I nfo ( Figure 21 ) Fi.
6212-A2-ZB8 3-20 6212-I3 4-Port Ro uter User’s Guid e 35 4 Q UICK S ETUP Quick Setup with Auto-Connect Enabled Auto -conne ct will autom atical ly de tect th e first u sable PVC an d auto matic ally detect PPPoE, PPPoA, and Bridge Prot ocol (with DHCP Serve r available).
Quick Se tup 36 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 Figure 23: De tecting A vailable P VC Figure 2 4: Detecting avai lable PVC – A vailable P VC Detected Quick Setup with Auto-Connect Di sabled 1 Selec t Qui ck Setu p. The Quick S etup in itial screen appea rs.
Quick Setu p with Auto-Connect Di sabled 6212-A2-ZB8 3-20 6212-I3 4 -Port Router Use r’s Guid e 37 Figure 25: S pecifying VPI and VCI 4 Click on Ne xt. The Connection T ype scree n appears. Figure 26: Co nnection T ype 5 Select the protocol and encapsulation t ype required by y our ISP .
Quick Se tup 38 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 Figure 27: PP P Username and Password 7 Click on Next . The Network Address T ranslat ion Settings scree n appears. Figure 28: NA T Settings 8 Enter t he settings spec ified by your IS P and click on Ne xt.
Quick Setu p with Auto-Connect Di sabled 6212-A2-ZB8 3-20 6212-I3 4 -Port Router Use r’s Guid e 39 Figure 29: De vice Setup 9 If desi red, configure c onfigure the DSL Rout er IP address a nd Subnet Mask for t he LAN interface to co rrespond to y our LAN's IP Subnet.
Quick Se tup 40 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 Figure 30: W AN Setup - Summary.
6212-A2-ZB8 3-20 6212-I3 4-Port Ro uter User’s Guid e 41 5 A DVAN CED S ET UP WA N Set up W AN parameters as directed by your ISP . Figure 31: W AN Setup Screen Add Function – A TM PVC Configuration If you w ant to add a new rule for the W AN interf ace, click on the Add button.
Adva nced S etup 42 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 Figure 32: A TM PVC Configura tion Screen V eri fy the following values with your ISP before you c hange them. z VPI (V irtu al Path Id entifier) – The valid range is 0 to 255.
WAN 6212-A2-ZB8 3-20 6212-I3 4 -Port Router Use r’s Guid e 43 Connection T ype Screen 1 Select the type of ne twork prot ocol and encapsul ation mode over the A TM PVC that your ISP has instruc ted you to use, th en click on Next button. Figure 33: Co nnection T ype Screen 2 Select a connection type and click on Ne xt.
Adva nced S etup 44 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 W AN Setup - Summary 1 Make sure t hat the settings on the W AN Setup - Su m mary s creen match the set tings provided b y your ISP .
Local Area Network (LAN) Setup 6212-A2-ZB8 3-20 6212-I3 4 -Port Router Use r’s Guid e 45 Finish Function After yo u change any item in W AN Setup, remember to click on the Finish button t o apply the ch anges and reboot t he system.
Adva nced S etup 46 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 Figure 38: NA T Virtual Serve r Setup Y ou can se lect a Service o r make new one. Ent er the Ser ver IP Address, then click o n Save/Apply to submi t your configura tion. Figure 39: V irtual Server Add S creen On this s creen you can view a nd delete serve rs.
Port Trigg ering 6212-A2-ZB8 3-20 6212-I3 4 -Port Router Use r’s Guid e 47 Figure 40: Re moving Selected V irtual Servers Port T riggeri ng Click th e on the Add butt on to add Port T r igge ring for your I nternet applica tion.
Adva nced S etup 48 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 Figure 42: Po rt Tr iggering Add Page On this s creen you can view a nd delete appli cations. Click i n the check box under Remove an d click on the Remove bu tton to delete selected applic ations.
Firewall 6212-A2-ZB8 3-20 6212-I3 4 -Port Router Use r’s Guid e 49 Figure 44: DMZ Ho st Setup Firewa ll For secur ity reasons, fir ewall options ca n be config ured only from the LAN side of the router . IP Filtering – Outgoing The outg oing filte r will bl ock the traff ic from the LAN side to the W AN side.
Adva nced S etup 50 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 Figure 46: I P Filtering - Outgoing Fi lter Add Page Y ou can vi ew and delete the outgoing filte r sett ings on this sc reen.
Firewall 6212-A2-ZB8 3-20 6212-I3 4 -Port Router Use r’s Guid e 51 Figure 48: I P Filtering – Incomi ng Filter Setup Page Enter a f ilter name, inf ormation about th e source address (from the W AN side), and informat ion about the destina tion addres s ( to the LAN side) .
Adva nced S etup 52 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 Figure 50: I P Filtering - Incomin g Filtering List Firewa ll – MAC Filtering MAC filter ing can forward or block traf fic by MAC a ddress. Y ou can ch ange the poli cy or add set tings to the MAC filtering t able using the MAC Filtering Setup scr een.
Firewall 6212-A2-ZB8 3-20 6212-I3 4 -Port Router Use r’s Guid e 53 If you wan t to add a setting t o the MAC filteri ng table, enter the Source and Destinat ion MAC addres s, and select pr otocol ty pe, frame directi on, and W AN in terface . Then click on Save/ Apply to save it .
Adva nced S etup 54 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 Figure 55: Pa rental Control Scre en T o s et up p arent al con trols : 1 Click on Ad d. The T ime of Day Res triction screen appears. Figure 5 6 : Par e nt al Control – Time of Day Restrictions 2 Enter a Us er Name to identify t he tar get of the rest rictions.
Port Mapp ing 6212-A2-ZB8 3-20 6212-I3 4 -Port Router Use r’s Guid e 55 Port Ma pping Use the Por t Mapping scre en to map multiple ports to a PVC an d create bridgin g groups. Each group will perform as a n independent net work. Figure 57: Po rt Mapping T o crea te a new m appi ng group: 1 Click on Ad d.
Adva nced S etup 56 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 Quality of Service Y ou can configu re the Qualit y of Service to a pply diffe rent priori ties to traf fic on th e router . Figure 59: Qua lity of Service Setup Click on Add a nd the Add Network T raf fic Class Rule screen appe ars.
Routing – Default Gateway 6212-A2-ZB8 3-20 6212-I3 4 -Port Router Use r’s Guid e 57 Figure 60: Qua lity of Service Add Screen Routing – Default Gate way Y ou can cha nge the Defaul t Gateway on the Routing - D efa ult Gateway screen. By default the Ena ble Automatic As signed Defa ult Gateway box is check ed.
Adva nced S etup 58 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 If you wan t to specify th e default gatewa y address, then unc heck the box as seen bel ow . Enter the defau lt gateway addre ss and, optionall y , the W AN interf ace you will use.
Routing – RIP 6212-A2-ZB8 3-20 6212-I3 4 -Port Router Use r’s Guid e 59 Figure 64: S tatic Route Add Routing – RIP If RIP i s enabled, the router oper ation can be conf igured as Active or Passive.
Adva nced S etup 60 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 Figure 66: DNS S etup Dynamic DNS Use the Dyna mic DNS screen to alias a dyna mic IP ad dress to a static hostname, a llowing your rout er to be e asily accessed from anywhere on the Inter net.
ADSL 6212-A2-ZB8 3-20 6212-I3 4 -Port Router Use r’s Guid e 61 T o set u p a Dynamic DNS ent r y: 1 Click on Ad d. The Add Dynamic DNS scree n appears. Figure 68: Ad ding a Dynamic DNS Entry 2 Select a D-DNS Provider from t he drop-down li st. 3 Enter t he Hostname you have se lected for the interface .
Adva nced S etup 62 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 Modulation Method s The foll owing modulatio n methods ar e supported by the 6212 ADSL router: z G. d m t E n a b l e d z G .lite Ena bled z T1.413 En abled z ADSL Enabled z Annex L Enabl ed z ADSL2+ Enable d.
Tone Selec tion 6212-A2-ZB8 3-20 6212-I3 4 -Port Router Use r’s Guid e 63 Figure 70: DSL Advanced Settings T one Selection T o view the ADSL T one Settings screen, click o n the T one Select ion button of the DSL Advanced Setti ngs screen (see Figure 70 ).
Adva nced S etup 64 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 Certificat e Use the Cer tificate sc reen to add, vi ew , or remove a ce rtificat e for use b y a peer to verify your iden tity . A maximum of four certificat es can be stored.
6212-A2-ZB8 3-20 6212-I3 4-Port Ro uter User’s Guid e 65 6 D IAGN OSTICS T esting the DSL Connection The diagno stics screen a llows you to run di agnostic test s to check your DSL connecti on.
Diagno stics 66 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20.
6212-A2-ZB8 3-20 6212-I3 4-Port Ro uter User’s Guid e 67 7 M ANAG EMENT Saving and Restorin g the Confi guration The confi guration of your router can be ba cked up to a file , and also can b e restor ed from a file. Y ou can also r estore t he router to i t s fac tory default configur ation.
Managem ent 68 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 Figure 75: Ba ckup Settings Upload Con firmation Select the locatio n where you want t o save the file .
Rest oring C onfig urat ion Set tings 6212-A2-ZB8 3-20 6212-I3 4 -Port Router Use r’s Guid e 69 Restoring Configuration Settings T o rest ore saved settings, sele ct Management -> Set tings -> Restor e User Setting s. Figure 7 7 : Re store User Se ttings Screen Select the backup file you want to restor e and click on Upda te Settings.
Managem ent 70 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 Figure 7 9 : Up load in Progress Scree n Restoring Default Settings Restore Def ault will erase all curr ent settings and re store the route r to factory default settings.
System Lo g 6212-A2-ZB8 3-20 6212-I3 4 -Port Router Use r’s Guid e 71 Figure 81: Re store Default Confirmation Dia log The route r will restor e the default s ettings and r eboot. Figure 82: Re store Default Settings Rebo ot System Log The System Log di alog allows you to view th e System Log and configu re the System Log op tions.
Managem ent 72 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 V iew System Log Click on t he "V iew System Log" butt on to check the l og file.
System Lo g 6212-A2-ZB8 3-20 6212-I3 4 -Port Router Use r’s Guid e 73 Figure 85: Sy stem Log Configuration Select the desired v alues and click on the "S ave/Appl y" button to c onfigure the syst em log options.
Managem ent 74 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 TR-069 C lient The route r includes a TR-0 69 client which i s a W AN manage m ent protocol. Default values are a lready filled in. If you wish to enable th is protocol, then sel ect Enable and fill i n the text boxes according to your configuration .
Acce ss Control – Service s 6212-A2-ZB8 3-20 6212-I3 4 -Port Router Use r’s Guid e 75 3 Specify the time zone of fset for your rout er ’ s locati on. 4 Click on S ave/Apply . Acce ss Control – Serv ices Y ou can enabl e or disable some se rvices of you r router by LAN or W AN .
Managem ent 76 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 T o assign the I P address of the management station th at is permitt ed to access the local m anag ement services, en ter the IP addr ess in the box and click on the Save/Appl y button.
Update Software 6212-A2-ZB8 3-20 6212-I3 4 -Port Router Use r’s Guid e 77 Up date So f tware If you r ISP releas es new softwa re for t his ro uter , follo w thes e step s to pe rform an upgrad e. 1. Obtain an updated software image file from y our ISP .
Managem ent 78 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20.
6212-A2-ZB8 3-20 6212-I3 4-Port Ro uter User’s Guid e 79 A S PECIFICA TIONS Spec ificat ions are su bject to cha nge wi thout noti ce. T able 5: 62 12-I2 Speci fications Specification Crit eria Envi.
Specific ations 80 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20.
6212-A2-ZB8 3-20 6212-I3 4-Port Ro uter User’s Guid e 81 I NDEX A About T his Guide 11 Access Cont rol IP Addres ses 75 Passwords 76 Service s 75 ADSL 61 BER Test 32 Statis tics 31 Adva nced Setti n.
82 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20 Rest rictin g acce ss 53 Inter net T ime 74 Introdu ction 13 IP Addres s Access Cont rol 75 Of Router 19 IP Filt ering Incomi ng 50 Outgoing .
6212-A2-ZB8 3-20 6212-I3 4 -Port Router Use r’s Guid e 83 ARP 34 Route 33 Summary 29 WAN 29 System Log 71 Configur ing 72 System Requirement s 13 T Test BER 32 DSL Connecti on 65 Time 74 Tone Sele c.
84 6212-I3 4-Po rt Router User’s Gu ide 6212-A2-ZB83 -20.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Zhone Technologies 6212 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Zhone Technologies 6212 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Zhone Technologies 6212 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Zhone Technologies 6212 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Zhone Technologies 6212, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Zhone Technologies 6212.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Zhone Technologies 6212. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Zhone Technologies 6212 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
