Manuale d’uso / di manutenzione del prodotto SN 5428-2 del fabbricante Cisco Systems
Vai alla pagina of 78
Corporate Headquarters Cisco S yste ms, Inc . 170 W est Tasma n Drive San Jose , CA 95134 -1706 USA http://ww w.cisco. com Tel: 408 526-400 0 800 55 3-N ETS ( 6387 ) Fax: 408 526- 4100 Cisco SN 5428-2.
THE SPECIFICA TIONS AND INFORMA TIO N REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTI CE. ALL ST A TEMENTS, INFORMA TION, AND RECOMM END A TIONS IN THIS M ANU AL ARE B ELIEVED TO BE ACCURA TE BUT ARE PRESENTED WITHOUT W ARRAN TY OF ANY KIND, EXPRESS OR IMPLIED .
Cisco SN 5428- 2 Storage Router Hardwar e Installat ion Guide Copyright © 200 3 Cisco Sy stems, Inc. All ri ghts reserved. CCIP , CCSP , the Cisco Arro w logo, the Cisco P ower ed Network mark, Cisco Unity , Follow Me Bro wsing, FormShare, and StackW ise are trademarks of Cisco Systems, Inc.
.
v Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 CONTEN TS Preface ix Audienc e ix Organi zati on ix Convent ions x Relat ed Do cume nta tion xi Obtain ing Docu mentat ion xi Cisco.
Contents vi Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01 Front- Panel LEDs 1-5 Fan Assembl y 1-8 Power S upply 1-9 CHAPTER 2 Instal ling th e SN 5428-2 Stor age Router 2-1.
vii Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 Conte nts CHAPTER 3 Troubles hootin g 3-1 Solvi ng Probl ems at the Co mpon ent Level 3-1 Identi fying St artu p Problems .
Contents viii Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01.
ix Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 Preface This p refac e de scribe s the aud ience , or ga nizat ion, a nd con vent ions of the Cisco SN 5 428 -2 Stor a g e R oute r Ha r dwar e Inst all ati on Gui de . It also pro v ides information on how to obtai n related documenta tion.
Preface Conve ntions x Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01 Conven tions This docu ment u ses t he f ollowing con ventions : Note Means r eader ta ke no t e . No tes cont ain h elpf ul s ugg esti ons or r efer ence s to materi al not covered in th e manual.
xi Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 Preface Rela ted Do cum ent atio n Related Documentation Refer to the follo wing docu ments for additional informa tion: .
Preface Obtaining Documentation xii Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01 Documenta tion CD-ROM Cisco docum entation a nd ad ditional l iterature are a v ai lable in a Cisco Docume ntation CD -R OM packag e, which ma y hav e shipped wit h your prod uct.
xiii Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 Preface Obtaini ng T echnical Assi stance Y ou can subm it co mments by using the re sponse ca rd (if p resent) behind th.
Preface Obtainin g Techn ical Assist ance xiv Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01 For P1 or P2 cases ( your produc tion n etwork is down or severely degraded) or if you do not h av e Intern et acc ess, con tact Cisc o T AC by telephone.
xv Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 Preface Obtaini ng Additiona l Publicati ons and Informa tion Obtaining Ad ditional Public ations and In formation Informa tion abo ut Cisco produ cts, tech nologies, and ne twork solu tions is av ailable fro m va riou s onlin e and printe d sour ces.
Preface Obtaining Additional Publications and Information xvi Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01 • T raining — Cisco offers world- class n etworking t raining. C urren t offerings in networ k training are liste d at this URL: http://www .
C HAPTER 1-1 Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 1 Product Overview Installi ng and c onfiguring a Cisco SN 5428- 2 Storage Router c onsists of the follo wing tasks: • Install t he SN 5428-2 Storage Router accordi ng to th e Cisc o SN 5428 -2 Storage Router Hardwar e Install ation G uide (this ma nual) .
Chapt er 1 Product Over view SN 5428-2 Ba sic Des cri ption 1-2 Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01 SN 5428-2 Basic Description The SN 5428- 2 Storage Router is a.
1-3 Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 Chapter 1 Product Ov erview Port Descriptions Port De scriptions The SN 5428- 2 Stora ge Router provides the po rts shown in Figu re 1-2 .
Chapt er 1 Product Over view Port Description s 1-4 Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01 Gigabit Etherne t Ports The Gigabit E therne t ports are l abeled GE 1 a nd G E 2. ( See Figure 1-2 .) Each port provides a 1-Gigab it Etherne t inter face for conne cting t o IP hosts that require IP access to storage.
1-5 Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 Chapter 1 Product Ov erview Front-Panel LE Ds Fibre Chann el Ports The Fi bre Cha nnel p orts ar e labele d FC 1 through FC 8.
Chapt er 1 Product Over view Front-Pa nel LEDs 1-6 Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01 The 10/1 00 Ethern et manage ment port, MGMT 10/ 100, has two LEDs , labeled A CT and SPEED. The A CT LED is loca ted at the left-botto m corner of the port; the SPEED LED is located at the righ t-bott om corner of the por t.
1-7 Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 Chapter 1 Product Ov erview Front-Panel LE Ds ST A TUS Green On after successful boot up. Flashing dur ing boot up. PO WER Green Power is on. MGMT 10/100 LEDs A C T (Acti vity LED) Gree n (Left) Link is activ e.
Chapt er 1 Product Over view Fan Assem bly 1-8 Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01 Fan Assembly The f an assembly pro vides coo ling for th e intern al chassis component s. The SN 5428- 2 chassi s cont ains t wo exhaust fan s that are loc ated on the r ear of the chas sis.
1-9 Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 Chapter 1 Product Ov erview Power Supply Power Supply The SN 5428- 2 Stora ge Rout er has an int ernal power supply that m onitor s its tempera ture and ou tput voltages.
Chapt er 1 Product Over view Powe r Su pply 1-10 Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01.
C HAPTER 2-1 Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 2 Installing the SN 5428-2 Storage Router This chapte r describes ho w to prepa re your site for installatio n, h.
Chapter 2 Install ing the SN 5428- 2 Storage R outer Read Safety No tices 2-2 Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01 War ni ng Before you install, operate, or service the sy stem, read the Site Preparation and Safety Guide .
2-3 Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 Chapter 2 Instal ling the SN 5428-2 St orage Rou ter Read Safety Notices when the power cord is connected. T o see translat ed versions of the warning, refer to the Regulatory Compliance and Safety documen t that accompanied the device.
Chapter 2 Install ing the SN 5428- 2 Storage R outer Read Safety No tices 2-4 Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01 War ni ng During this procedure, wear grounding wrist straps to avoid ESD damage to the card. Do not directly touch the backplane with your hand or any m etal tool, or you could shock yourself.
2-5 Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 Chapter 2 Instal ling the SN 5428-2 St orage Rou ter Site P lanning War ni ng T o avoid electric shock, do not connect safety ext ra-low voltage (SEL V) circuits to telephone-network voltage (TNV) circuits.
Chapter 2 Install ing the SN 5428- 2 Storage R outer Installi ng the SN 5428-2 Chas sis 2-6 Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01 V erify the s ite po wer for the typ e of de vice you are ins tallin g.
2-7 Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 Chapter 2 Instal ling the SN 5428-2 St orage Rou ter Installing the SN 5428-2 Chassis Rack-Mou nting the SN 5428-2 S torage Ro uter Y o u can rack -mount the SN 5428-2 Storage R outer chassis in a 19-inch equipm ent rac k with the fr ont pane l forward.
Chapter 2 Install ing the SN 5428- 2 Storage R outer Installi ng the SN 5428-2 Chas sis 2-8 Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01 Figur e 2 Rack Rails Note If your .
2-9 Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 Chapter 2 Instal ling the SN 5428-2 St orage Rou ter Installing the SN 5428-2 Chassis Figur e 2-3 Remo ving Scr ews from the Sid es Step 4 Using th e screws removed in Step 3 , attach the right a nd left mount ing brac kets (label ed R IGHT and LE FT) t o the c hass is.
Chapter 2 Install ing the SN 5428- 2 Storage R outer Installi ng the SN 5428-2 Chas sis 2-10 Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01 Step 5 Assemble an d mount t he rack rails a s follo ws: a. Assemb le the r ack ra ils b y sl iding the f ront an d rear brack et s into ea ch oth er .
2-11 Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 Chapter 2 Instal ling the SN 5428-2 St orage Rou ter Installing the SN 5428-2 Chassis Step 6 Align the hol es in the rails with mount ing holes in the ra ck. Ensure tha t the rails are le v el from front to rear an d side to side.
Chapter 2 Install ing the SN 5428- 2 Storage R outer Installi ng the SN 5428-2 Chas sis 2-12 Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01 Step 8 Slide the chassis into the rack. Press in the side spring tabs, if necessary , so that the chassis slides fully into th e rack.
2-13 Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 Chapter 2 Instal ling the SN 5428-2 St orage Rou ter Installing the SN 5428-2 Chassis Step 9 Secure the chassis to the rack: a. Screw one screw thr ough the bottom hole in the fr ont of t he mou nting bracket into the correspon ding hole in t he mounting post.
Chapter 2 Install ing the SN 5428- 2 Storage R outer Installi ng the SN 5428-2 Chas sis 2-14 Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01 Attaching the Optional Cable Guide T wo cable guides are included in the ac cessory kit shipped with the SN 5428-2 Storage R outer .
2-15 Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 Chapter 2 Instal ling the SN 5428-2 St orage Rou ter Installing SFP Modules Installing SFP Modul es Before yo u install or r emov e an SFP (sm all form- factor pluggable) module, read the installation information in this section.
Chapter 2 Install ing the SN 5428- 2 Storage R outer Installing SFP Mo dules 2-16 Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01 Figur e 2-1 0 LC Connect or and Fiber -Optic.
2-17 Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 Chapter 2 Instal ling the SN 5428-2 St orage Rou ter Installing SFP Modules Mylar Tab S FP Modules The Mylar tab SFP module has a ta b that you must pull i n order to remo ve the module from a port.
Chapter 2 Install ing the SN 5428- 2 Storage R outer Installing SFP Mo dules 2-18 Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01 T o remove the SF P module from the port, pull the tab gently in a slight ly do wnward direction until it disengages from the port, and then pull the SFP module ou t.
2-19 Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 Chapter 2 Instal ling the SN 5428-2 St orage Rou ter Installing SFP Modules Figur e 2-1 5 Inser ting an A c tu ator/B ut .
Chapter 2 Install ing the SN 5428- 2 Storage R outer Installing SFP Mo dules 2-20 Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01 Figur e 2-1 6 Remo ving an Ac tuat or /Butt .
2-21 Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 Chapter 2 Instal ling the SN 5428-2 St orage Rou ter Installing SFP Modules Bale Clasp S FP Module s The bale clasp SFP module has a bale clasp t hat you use to secure the SFP module in a port.
Chapter 2 Install ing the SN 5428- 2 Storage R outer Installing SFP Mo dules 2-22 Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01 T o re mo ve a bale cla sp SFP module from a port, perform the following steps: Step 1 Open the bale clasp on t he SFP module with your index finger in a do wnward direct ion.
2-23 Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 Chapter 2 Instal ling the SN 5428-2 St orage Rou ter Installing SFP Modules Figur e 2-2 0 Remo ving a Ba le Clasp SFP Mod.
Chapter 2 Install ing the SN 5428- 2 Storage R outer Connecti ng to Gigabi t Ethernet and Fib re Channel Port s 2-24 Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01 Connectin.
2-25 Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 Chapter 2 Instal ling the SN 5428-2 St orage Rou ter Connec ting t o Gigabit Ether net and Fibre Ch annel P orts Connecti.
Chapter 2 Install ing the SN 5428- 2 Storage R outer Connecti ng to the 10/ 100 Ethernet Managem ent and HA Ports 2-26 Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01 Connect.
2-27 Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 Chapter 2 Instal ling the SN 5428-2 St orage Rou ter Connect ing to t he Conso le Por t Connecting to the Console Port Connec t a PC serial po rt to the cons ole por t for loca l adminis trati v e acce ss to the SN 54 28-2 Stor age R outer .
Chapter 2 Install ing the SN 5428- 2 Storage R outer Connecting Po wer 2-28 Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01 Figur e 2-2 2 Connect ing the Con sole Cable Conne.
2-29 Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 Chapter 2 Instal ling the SN 5428-2 St orage Rou ter Connecti ng Pow er Figur e 2-23 P ow er Set t o Of f Step 3 Plug the po wer c ord into the p ow er rece ptacle l ocated on the rear panel on t he chass is.
Chapter 2 Install ing the SN 5428- 2 Storage R outer Verify ing In stalla tio n 2-30 Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01 Verifying Installation V eri fying insta .
2-31 Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 Chapter 2 Instal ling the SN 5428-2 St orage Rou ter Verifying Installation Verify Th at Network Co nnections A re Oper a.
Chapter 2 Install ing the SN 5428- 2 Storage R outer Where to Go Ne xt 2-32 Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01 Where to Go Next Once you have verif ied that th e SN 5428-2 Stora ge Router hardwa re is properl y installed, it is ready for software conf iguration .
C HAPTER 3-1 Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 3 Troubleshooting This c hapter p rovides troublesh ooting proced ures for prob lems e ncountere d during install.
Chapter 3 Troublesh ooting Iden tify ing S tartu p Pro blem s 3-2 Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01 • The chassis fan assemb ly operates when the system power is on.
3-3 Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 Chapter 3 Troubles hooting Trou bleshoo ting the Powe r Supp ly Step 4 Check th e netwo rk and Fibre Cha nnel po rt LEDs on the front pa nel. See the “ Front-P anel LEDs ” section on page 1- 5 for LED descr iptions.
Chapter 3 Troublesh ooting Troubles hooting a Net work or Fibre Channel Port Con nection 3-4 Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01 Troubleshooting a Network or Fibr.
3-5 Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 Chapter 3 Troubles hooting Troub lesh ooti ng a N etwor k or Fibre C han nel Po rt Co nnect ion Step 3 Replace the SFP module. • If the LINK LED turns on, the problem was the SFP module.
Chapter 3 Troublesh ooting Troubles hooting a Net work or Fibre Channel Port Con nection 3-6 Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01 Troub lesh ooting a Co nnectio n to a Fi bre Ch annel P ort A bad conn ection t o a Fib re Channel po rt (FC 1 throu gh FC 8) is indica ted by the LOG LE D flashing twice per second.
3-7 Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 Chapter 3 Troubles hooting Contacting Customer Service Contac ting Customer Se rvice If you are unable t o solve a sta rtu.
Chapter 3 Troublesh ooting Contact ing Cust omer Serv ice 3-8 Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01.
A-1 Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 APPEND IX A Technical Specifications This appendi x lists the technical spec ific ations in Ta b l e A - 1 .
Append ix A Technical Spec ification s A-2 Cisco SN 5428-2 Storag e Router Hardwar e Installation Guide OL-4797-01 Power Supp ly Fuse (F1 ) rating 5A, 250 V AC, time delay , not field-ser viceable 1.
B-1 Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 APPEND IX B Cable and Port Pinouts This a ppendix provides ca bling and por t pinout informa tion for the SN 542 8-2 Stora.
Append ix B Cable and Port Pinout s Gigab it and Fibre Chan nel Ports B-2 Cisco SN 5428-2 Storag e Router Hardwar e Installation Guide OL-4797-01 The DS-SFP-FCGE-SW is a short wa ve SFP that operates .
B-3 Cisco SN 5428-2 S torag e Router Hardwar e Installa tion Guide OL-4797-01 Append ix B Cable and Port Pinout s 10/100 Ethe rnet Manag ement and HA P orts 10/100 Ethernet Management and HA Ports Use modu lar , RJ-45, st raight-th rough UT P cables to connec t the 10/ 100 Ethe rnet ports t o end systems.
Append ix B Cable and Port Pinout s Console Port B-4 Cisco SN 5428-2 Storag e Router Hardwar e Installation Guide OL-4797-01 Console Port The console p ort is an EIA/T IA-232 port w ith a f emale 8-pin RJ-45 re cepta cle. Use th e rollover cab le suppli ed wit h the SN 5428-2 Stor age Router to connec t to the conso le port.
B-5 Cisco SN 5428-2 S torag e Router Hardwar e Installa tion Guide OL-4797-01 Append ix B Cable and Port Pinout s Consol e Por t The co nsole port use s a subset of the EI A/TIA-2 32 signals. O nly the signa ls TxD_N, R xD_N, CTS an d R TS are connec ted.
Append ix B Cable and Port Pinout s Console Port B-6 Cisco SN 5428-2 Storag e Router Hardwar e Installation Guide OL-4797-01.
IN- 1 Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 INDE X Numerics 10/100 Et hernet HA port connec tion to 2- 26 descript ion 1-4 specifi cati ons B-1 10/100 Et hernet ma .
Index IN-2 Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01 descript ion 1-5 internal 1- 5 specifi cati ons B-1 front-p anel LE Ds 1-5 G Gigab it Ether net port connec tion to.
IN- 3 Cisco SN 5428 -2 Storage Router Hard ware Installat ion Gu ide OL-4797-01 Index T troublesh ooting conta cting custom er service 3-7 method ology 3-1 power suppl y 3-3 startup pro blems 3-2 V ve.
Index IN-4 Cisco SN 5428-2 Storag e Router Ha rdware Install ation Guid e OL-4797-01.
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 Cisco Systems SN 5428-2 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 Cisco Systems SN 5428-2 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Cisco Systems SN 5428-2 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Cisco Systems SN 5428-2 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Cisco Systems SN 5428-2, 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 Cisco Systems SN 5428-2.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Cisco Systems SN 5428-2. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Cisco Systems SN 5428-2 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.