Manuale d’uso / di manutenzione del prodotto 3545 PRI del fabbricante Cisco
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Americas Hea dquarters Cisc o Syst ems , Inc . 170 West Ta sman Driv e San Jos e, CA 95 134-1706 USA http://www.ci sco.com Tel: 408 526-4000 800 553- NETS (638 7) Fax: 408 527-0883 Installation and Upgrade Guide f or Cisco Unif ied Videoconferencing 3545 PRI Gate w a y and 3545 S erial Gate w ay Releases 5.
THE SPECIFICATIONS AND INFORMATION REGARDING TH E PRODUCTS IN THIS MANUAL ARE SUBJE CT TO CHANGE WITHOUT NO TICE. ALL STATEMENT S, INFORMATI O N, AND RECOMME NDATIONS IN T HIS MANUAL ARE BELI EVED TO BE A CCURATE BUT ARE P RESENTED WI THO UT WARRANTY OF ANY KIND, EXPRE SS OR IMPLIED.
iii Installation and Upgrade Guide for Cisco Unified V ideoconfe renc ing 3545 PRI Ga teway and 3545 Serial Ga teway Releases 5 .6 and 5. 7 OL-17011-01 CONTENTS CHAPTER 1 Functio nality 1-1 About Cis .
Cont ents iv Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Setti ng the IP Address 2-11 Setti ng.
Content s v Installation and Upgrade Guide for Cisco Unified V ideoconfe renc ing 3545 PRI Ga teway and 3545 Serial Ga teway Releases 5 .6 and 5. 7 OL-17011-01 High V oltage 6-2 Powe r Sup ply 6-2 ESD.
Cont ents vi Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01.
CH A P T E R 1-1 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5.
1-2 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapt er 1 Function alit y About Ga tewa y Feat ures About Gateway Features Ta b l e 1-1 lists the m ajor features of the Cisco Unified V i deoconf eren cing 3545 Gate way.
1-3 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5. 7 OL-17011-01 Chapter 1 Functional ity About Gateway Features Ta b l e 1-2 o n page 1-4 lists features for specif ic Cisco gate ways.
1-4 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapt er 1 Function alit y About Ga tewa y Fea.
1-5 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5. 7 OL-17011-01 Chapter 1 Functional ity About Gateway Featur.
1-6 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapt er 1 Function alit y About Cis co Unifie.
1-7 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5. 7 OL-17011-01 Chapter 1 Functional ity About Cisco Unif ied Videoco nferencing 3545 Gateway Applica tions and Topologies About Multimedia Conferencing The Cisc o PRI gatew ay enab les H.
1-8 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapt er 1 Function alit y About Cis co Unifie.
1-9 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5. 7 OL-17011-01 Chapter 1 Functional ity About Cisco Unif ied.
1-10 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapt er 1 Function alit y About Cis co Unifi.
1-11 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5. 7 OL-17011-01 Chapter 1 Functional ity About Cisco Unif ie.
1-12 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapt er 1 Function alit y About Cis co Unifi.
1-13 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5. 7 OL-17011-01 Chapter 1 Functional ity About Cisco Unified.
1-14 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapt er 1 Function alit y About Cis co Unifi.
CH A P T E R 2-1 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5.
2-2 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapter 2 Installing the Cisco Unified Videoco.
2-3 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5. 7 OL-17011-01 Chapter 2 Installing th e Cisco Unified Video.
2-4 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapter 2 Installing the Cisco Unified Videoco.
2-5 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5. 7 OL-17011-01 Chapter 2 Installing th e Cisco Unified Video confe rencing 35 45 Gatew ay Mounting the Cisco Unified Videoconferencing 3545 Chassis in a 19-inch Rack • V .
2-6 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapter 2 Installing the Cisco Unified Videoconferencing 3545 Gateway How to Install the Ga teway Step 6 Fa sten t he brack ets to the side rails o f the rack.
2-7 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5. 7 OL-17011-01 Chapter 2 Installing th e Cisco Unified Video.
2-8 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapter 2 Installing the Cisco Unified Videoconferencing 3545 Gateway How to Install the Ga teway Caution Do not force the con nection.
2-9 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5. 7 OL-17011-01 Chapter 2 Installing th e Cisco Unified Video.
2-10 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapter 2 Installing the Cisco Unified Videoc.
2-11 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5. 7 OL-17011-01 Chapter 2 Installing th e Cisco Unified Vide.
2-12 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapter 2 Installing the Cisco Unified Videoc.
2-13 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5. 7 OL-17011-01 Chapter 2 Installing th e Cisco Unified Video confe rencing 35 45 Gatew ay How to Perform the Initial Gateway Configuration Caution D o no t use le ading zeros i n the IP a ddres s.
2-14 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapter 2 Installing the Cisco Unified Videoconferencing 3545 Gateway How to Perform the Initia l Gateway Conf igurat ion Step 6 Press Enter .
2-15 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5. 7 OL-17011-01 Chapter 2 Installing th e Cisco Unified Vide.
2-16 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapter 2 Installing the Cisco Unified Videoc.
2-17 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5. 7 OL-17011-01 Chapter 2 Installing th e Cisco Unified Video confe rencing 35 45 Gatew ay Serial Gateway C able Co nnectio ns and Pin-o uts V.
2-18 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapter 2 Installing the Cisco Unified Videoconferencing 3545 Gateway Serial Gateway Cable Connec tions and Pin-outs EIA530/RS366- DTE Figure 2-9 sh ows the EIA5 30/RS366- DTE c able.
2-19 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5. 7 OL-17011-01 Chapter 2 Installing th e Cisco Unified Video confe rencing 35 45 Gatew ay Serial Gateway C able Co nnectio ns and Pin-o uts EIA530A/RS366-DTE Figure 2-11 shows the EIA 530A/RS3 66-DTE cab le.
2-20 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapter 2 Installing the Cisco Unified Videoc.
2-21 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5. 7 OL-17011-01 Chapter 2 Installing th e Cisco Unified Video confe rencing 35 45 Gatew ay Serial Gateway C able Co nnectio ns and Pin-o uts EIA449/RS366- DCE Figure 2-14 shows the EIA 449/RS366- DCE cab le.
2-22 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapter 2 Installing the Cisco Unified Videoc.
2-23 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5. 7 OL-17011-01 Chapter 2 Installing th e Cisco Unified Vide.
2-24 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapter 2 Installing the Cisco Unified Videoconferencing 3545 Gateway Serial Gateway Cable Connec tions and Pin-outs DB-37 Connector Figure 2-17 shows the DB-3 7 pin layou t.
2-25 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5. 7 OL-17011-01 Chapter 2 Installing th e Cisco Unified Video confe rencing 35 45 Gatew ay Serial Gateway C able Co nnectio ns and Pin-o uts DB-25 Conne ctor Figure 2-18 shows the DB-2 5 pin layou t.
2-26 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapter 2 Installing the Cisco Unified Videoc.
2-27 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5. 7 OL-17011-01 Chapter 2 Installing th e Cisco Unified Vide.
2-28 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapter 2 Installing the Cisco Unified Videoc.
CH A P T E R 3-1 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5.
3-2 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapter 3 Using the Cisco Software Upg rade Utility Upgradin g Softwar e Upgrading Software Y ou use the Soft ware Up grade Uti lity to upg rade Cisco softw are installed on Cisco de vices.
CH A P T E R 4-1 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5.
4-2 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapter 4 Cable Co nnecti ons and Pin-out s 9-.
4-3 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5. 7 OL-17011-01 Chapter 4 Cable Connectio ns and Pin-o uts Ci.
4-4 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapter 4 Cable Co nnecti ons and Pin-out s IS.
CH A P T E R 5-1 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5. 7 OL-17011-01 5 Technical Specifications Ta b l e 5-1 Cisco U nified V ideoconf ere ncing 3 545 Chassi s T echnica l Spe cifi cati ons Chas sis Dimensi ons • Height : 2U (3.
5-2 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapter 5 Technica l Specifica tions Rear pane.
5-3 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5. 7 OL-17011-01 Chapter 5 Technical Specifications Mem ory .
5-4 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapter 5 Technica l Specifica tions.
CH A P T E R 6-1 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5.
6-2 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapter 6 Safety ESD Procedur es Cautio n This is a class I unit. In Denmar k, use t his unit with a n A C cord suited to Danish spe cific ations.
6-3 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5. 7 OL-17011-01 Chapter 6 Safety ESD Proce dures Batteries This prod uct may co ntain a bat tery .
6-4 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapte r 6 Sicher heit Elektrisch e Sicherheit.
6-5 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5. 7 OL-17011-01 Chapter 6 Sicherheit ESD-Verfahr en ESD-Verfa.
6-6 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapte r 6 Sicher heit Seguridad El ectrica Se.
6-7 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5. 7 OL-17011-01 Chapter 6 Sicherheit Procedi m ientos ESD Pro.
6-8 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapter 6 Securite Securite Elect rique Securi.
6-9 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5. 7 OL-17011-01 Chapter 6 Secur ite Preventio n des De cha rges El ectr osta tiqu es Cette unité est de cla sse I.
6-10 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapter 6 Securite Preventio n des Dech arges.
CH A P T E R 7-1 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5.
7-2 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapte r 7 Compli ance and Cert ifica tions Telecom • EN 61000- 3-3 • EN 61000- 6-1 War ni n g This is a class A product.
7-3 Installation and Upgrade Guide f o r Cisc o Unifi ed Vide oconferenc ing 3545 PRI Gateway an d 3545 Serial Gat eway Releases 5.6 a nd 5. 7 OL-17011-01 Chapter 7 Compliance and Certificatio ns Tele.
7-4 Installation and Upgrade Guide for Cisco Unified V ideoconfe r enci n g 3545 PRI Gateway and 3545 Ser ial Gateway Releases 5 . 6 and 5. 7 OL-17011-01 Chapte r 7 Compli ance and Cert ifica tions Te.
IN-1 Installation and Upgrade Guide for Cisco Unified V ideoconfe renc ing 3545 PRI Ga teway and 3545 Serial Ga teway Releases 5 .6 and 5. 7 OL-17011-01 INDEX A acces s cont rol 1-2 ACT LE D 2-2, 2-3 .
Index IN-2 Install ation and Upgr ade Guide for Cisco Unif ied Videoc onferenc ing 3545 PRI Gateway a nd 3545 Serial Gateway Releases 5.6 and 5. 7 OL-17011-01 DTMF 1-2 dua l vi deo 1-3 duplex para met.
Inde x IN-3 Installation and Upgrade Guide for Cisco Unified V ideoconfe renc ing 3545 PRI Ga teway and 3545 Serial Ga teway Releases 5 .6 and 5. 7 OL-17011-01 line qu ality 1-5 M media + si gnaling c.
Index IN-4 Install ation and Upgr ade Guide for Cisco Unif ied Videoc onferenc ing 3545 PRI Gateway a nd 3545 Serial Gateway Releases 5.6 and 5. 7 OL-17011-01 RJ-45 2-2, 2-3 rollover 1-3 routin g 1-2 .
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 3545 PRI 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 3545 PRI - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Cisco 3545 PRI imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Cisco 3545 PRI ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Cisco 3545 PRI, 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 3545 PRI.
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 3545 PRI. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Cisco 3545 PRI 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.