Manuale d’uso / di manutenzione del prodotto 9820-2M del fabbricante Paradyne
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FrameSaver ® SL V Configuratio n Reference Docume nt No. 9000-A2-G B31-00 Decem ber 2002.
A Decembe r 2002 9000-A2-G B31-00 Copyright © 2002 Paradyne Corporatio n. All righ ts r ese rved. Prin ted in U.S. A. Notice This pu blicatio n is p rotected by feder al copyri ght law .
9000-A2-G B31-00 Decembe r 2002 i Contents About This Guide n Purpose an d Intend ed Audie nce . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v n Document Organizat ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Conten ts ii Decembe r 2002 9000-A2-G B31-00 n Configur ing Phys ical In terfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17 Configur ing the Netw ork Inter face . . . . . . . . . . . . . . . . . . . . . . . . . 3-17 T1 Network Inte rface .
Contents 9000-A2-G B31-00 Decembe r 2002 iii 4 Feature-Specific Configuration n Setting Up an Exter nal Mode m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2 n Setting Up an Inte rnal Mod em . . . . . . . . . . . . . . . . . . . . . .
Conten ts iv Decembe r 2002 9000-A2-G B31-00.
9000-A2-G B31-00 Decembe r 2002 v About Th is Guid e Purpose and Intended Audien ce This doc ument list s and desc ribes t he config uration o ptions of the following FrameSav er SL V CSU/DSUs and rou ters ru nning fir mware rele ase 2.
Abou t This Gu ide vi De cember 20 02 9000-A2-GB31 -00 Pr oduct-Related Documents Comple te Parad yne docu mentati on for thi s produ ct is av ailable at www .pa radyne.com . Select Su pport → T echnical Manual s → Frame Saver Fram e Relay D evice s .
About This Guide 9000-A2-G B31-00 December 2002 vii T o order a pa per copy of this or any of the abo ve doc uments : n Within t he U.S.A., c all 1-800- P ARADYN E (1-80 0-727-2396 ) n Outsid e the U.
Abou t This Gu ide viii December 2002 9000-A2-G B31-00 Conventions Used Convention Used When Used Italic T o indicate v ariable informati on (for exa mple, DLCI n nnn , where nn nn denote s a 4-digi t number) .
9000-A2-G B31-00 December 2002 1-1 1 Configuration Pr ocedures This chapter includes the follo wing: n Config uration Menu n Config uration Opt ion Area s n Accessi ng and Display ing Configur ation O.
1. Co nfig ura tion P roce dure s 1-2 December 200 2 9000-A2-G B31-00 Configuration Menu Configur ation opti on setting s determ ine how the FrameSav er unit operates . Use the FrameS aver un it’s Configurati on Edit/Di splay m enu to dis play or c hange configur ation option se ttings .
1. Configur ation Procedures 9000-A2-G B31-00 December 2002 1-3 Configuration Option Ar eas The Fram eSaver unit arri ves with configur ed factor y defaul t settings , which a re located i n the Fa ctory De fault Confi guration option area.
1. Co nfig ura tion P roce dure s 1-4 December 200 2 9000-A2-G B31-00 Accessing and Displaying Configuration Options T o access a nd dis play co nfigurati on option s, loa d (copy) the appli cable configur ation option se t into the edit ar ea. Proc edure T o load a s et of co nfigurat ion opt ions for editing: 1.
1. Configur ation Procedures 9000-A2-G B31-00 December 2002 1-5 Changing Configuration Options Proc edure T o change c onfigur ation o ption sett ings: 1. From the Configuration Edit/Display m enu, sele ct a set o f confi guration option s and press Enter .
1. Co nfig ura tion P roce dure s 1-6 December 200 2 9000-A2-G B31-00 Saving Configuration Options When cha nges to the c onfigura tion op tions are c omple te, use the S ave fu nction key to sav e your cha nges to ei ther the C urrent, C ustomer , or S cratch pad configur ation ar eas.
9000-A2-G B31-00 December 2002 2-1 2 Basic Configuration This chapter includes the follo wing: n Usi ng th e Easy Ins tall Fe ature on page 2-2 n Using RIP with Frame Saver SL V CSU/DSUs on page 2 -1 .
2. Basi c Confi gura tion 2-2 December 200 2 9000-A2-G B31-00 Using the Easy Install Feature The Easy Install f eature pr ovides a strai ghtforwar d installat ion me nu that req uires minimal configur.
2. Basic Configuration 9000-A2-G B31-00 December 2002 2-3 Easy I nstall Scr een Exampl e – DDS I nterf ace Easy Ins tall Screen Exampl e – DSL Inter face T o remotely access the Fram eSave r unit .
2. Basi c Confi gura tion 2-4 December 200 2 9000-A2-G B31-00 The menu struct ure and s electio ns, and the fea tures an d function s of th e FrameSav er unit, are chan ged ba sed upon th e type of servic e being u sed. T a ble 2-1, Easy Ins tall Conf igura tion Opti ons , describes the en tries on the Easy Install sc reens.
2. Basic Configuration 9000-A2-G B31-00 December 2002 2-5 DSLAM T ype (978 3) Possible Settings: Paradyne, Alcatel (Ne wBridge), PairG ain, Nokia Default Sett ing: Paradyne Ensures i nteroperability w ith non -Paradyne DSLA Ms, not j ust the Hotwire G ranDSLAM.
2. Basi c Confi gura tion 2-6 December 200 2 9000-A2-G B31-00 TS Acces s Possible Settings: None, DLCI, VPI,VCI, DLCI_on_VPI,VCI Default Sett ing: [Depends on mod el] Specifies the type of V irtual Circuit (VC) by whi c h sp ecial tro ubleshooting (TS) access is provided to service prov iders.
2. Basic Configuration 9000-A2-G B31-00 December 2002 2-7 Network 1 Line Fra ming Format (9 123, 9126, 9128) Possible Settings: D4, ESF Default Sett ing: ESF For units with a T1 network in terface, specifi es the fra ming form at for trans mitted an d received signals on the T1 network interface .
2. Basi c Confi gura tion 2-8 December 200 2 9000-A2-G B31-00 DS0 Base Rate (9123, 9126 , 9128) Possible Settings: Nx64 , Nx56 Default Sett ing: Nx64 Selects t he base rate for th e DS0s alloca ted to frame re lay on th e network interface . Nx64 – The base rate is 64 Kbps .
2. Basic Configuration 9000-A2-G B31-00 December 2002 2-9 Network 1 DSL Line Rate (9783) Possible Settings: – If DSLAM T ype is set to Paradyne , or if DSLAM T ype is set to Nokia and Network 1 DSL .
2. Basi c Confi gura tion 2-10 December 2002 9000-A2-G B31-00 Network 1 Channel (9720) Possible Settings: B1, B2 Default Sett ing: B1 Specifies the B channel u s ed for da ta transfer when the line rate is 64 kbps. Display Conditions – Network 1 Ch annel app ears only whe n Network 1 Ope rating Rate is set to 64.
2. Basic Configuration 9000-A2-G B31-00 December 2002 2-11 Using RIP with FrameSaver SL V CSU/DSU s Using the system ’s standard Rout ing Info rmation Protoco l (RIP) feat ure, rou ting informa tion is p assed to the rou ter over the mana gement P VC, so th e router can learn rout es to Fr ameSave r devic es.
2. Basi c Confi gura tion 2-12 December 2002 9000-A2-G B31-00 Entering System Information and Se tting the Syste m Clock Select S ystem In forma tion to set up or display the g eneral SN MP name f or the unit, its locatio n, and a co ntact for the unit, a s well as to set the system clock.
2. Basic Configuration 9000-A2-G B31-00 December 2002 2-13 Setting Up Auto-Conf igurati on The auto -config uration fe ature is availa ble in frame r elay m ode on al l models except th ose with D SL int erfaces.
2. Basi c Confi gura tion 2-14 December 2002 9000-A2-G B31-00 Selecting a Frame Relay Discove ry Mode When a Fram e Relay Di scovery Mode is active , the F rameSav er unit “discove rs” network DLCIs from the networ k LMI sta tus respon se mess age.
2. Basic Configuration 9000-A2-G B31-00 December 2002 2-15 NOTE: If the defau lt setting (1MPor t or 1PPor t) is n ot the setti ng requir ed for yo ur applica tion, c hange the Frame Re lay D iscove ry Mode be for e connec ting the network cable or editing discov ered opti on setting s.
2. Basi c Confi gura tion 2-16 December 2002 9000-A2-G B31-00 When a Frame Re lay Disco very Mod e is change d and saved, the Saving will cause Auto-Configuration to update and Restart. Are you sure? prompt ap pears. N o is th e defau lt for thi s prompt .
9000-A2-G B31-00 December 2002 3-1 3 Configuration Options This chapter includes the follo wing: n Conf igurin g the Over all Syste m on page 3-3 n Config uring Ph ysical Interfac es on page 3-17 n As.
3. Co nfig ura tion O pti ons 3-2 December 200 2 9000-A2-G B31-00 n T a ble 3-8, T3 Networ k Phys ical Int erface O ptions n T abl e 3-9, DDS Network Phy sical Inter face Opti ons n T abl e 3-10, IDS .
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-3 Configuring the Overall System The Syste m menu option s are ex plained in the foll owing section s: n Configur ing Fra me Relay and LMI f.
3. Co nfig ura tion O pti ons 3-4 December 200 2 9000-A2-G B31-00 LMI Behavio r (continued) Net1-FR1_Follo w s_Port-1 – Bri ngs LMI down on the network int erface when LMI on Port-1 goe s down, d isabling the network interfa ce and deasserti ng its cont rol leads.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-5 LMI Beh avior (97 83 and 9788 ) Possible Settings: Independent, Net1-FR1_F ollows_Port-1, Port-1_Foll ows_Net1-FR1 , Port-1_Codependent_ w.
3. Co nfig ura tion O pti ons 3-6 December 200 2 9000-A2-G B31-00 LMI Status En quiry (N1) Possible Settings: 1, 2, 3, 4, . . . 255 Default Sett ing: 6 Configu res the LMI-defin ed N1 paramete r , which sets the numb er of status en quiry pol ling cycles that the u ser side of the LMI in itiates before a full status enquiry i s initiated.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-7 Configuring PPP Options PPP optio ns are sel ected f rom the Syst em menu ( see T abl e 3-2, PPP Opt ions ). The option appe ars only when Service T ype is PP P . Main Menu → Con figurati on → System → PPP T able 3 -2.
3. Co nfig ura tion O pti ons 3-8 December 200 2 9000-A2-G B31-00 Configuring Class of Service Definitions Select Cl ass of S ervice Def initions from the Sy stem m enu to dis play or c hange the Class o f Service definitio ns to b e used wi th latency , availa bility , and thr oughput measur ements of I P traffic on IP Enabled circu its.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-9 8. Select S ave, then sel ect Pg D n or PgUp . The Class of Service De finitions pag e reappears . In the Code Po ints As signed c olumn nex t to your selected name there is now a Y fo r Y es.
3. Co nfig ura tion O pti ons 3-10 December 2002 9000-A2-G B31-00 Code Point Defin itions Select Cl ass of Ser vice Definit ions from the System menu, then PgD n or PgU p, to display or cha nge the Code Poin t defini tions for a Class of Servi ce ID. See Conf igurin g Class of Ser vice D efin itions on page 3-8 for instructi ons.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-11 Confi guring Servi ce Level V erification Options SL V o ptions are selec ted from t he Syste m menu (see T able 3-5, Se rvice Level V erificati on Option s ). Main Menu → Con figurati on → System → Ser vice Level V e rifica tion T able 3-5.
3. Co nfig ura tion O pti ons 3-12 December 2002 9000-A2-G B31-00 SL V Delivery Ratio Possible Settings: Enable, Disable Default Sett ing: Disable Determines whether communication of Frame an d Data Delivery Ratios (FDR/DDR) between FrameSaver SL V dev ices is enabled.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-13 SL V Round T rip Latency Error Threshold (m s) Avai lable Settings: 50, 51, 5 2, . . . 10000 Default Sett ing: 10000 Specifies the number.
3. Co nfig ura tion O pti ons 3-14 December 2002 9000-A2-G B31-00 Configuring Gene ral System Options Select G eneral from the System m enu to c onfigur e the ge neral sys tem configur ation options ( see T a ble 3-6, General System O ptions ). Main Menu → Con figurati on → System → General T able 3-6.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-15 Secondary Cloc k Source Possible Settings: Net1, DSX, Internal, DBM Default Sett ing: Internal Provides a secondary cl ock source when the prima ry clock s ource fails.
3. Co nfig ura tion O pti ons 3-16 December 2002 9000-A2-G B31-00 System Alar m Relay Possible Settings: Enable, Disable Default Sett ing: Disable Specifies whether an ala rm condition for the un it will activat e the syst em alarm relay . The alarm rel ay is deacti vated when th e conditi on causing th e alarm is co rrected.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-17 Configuring Physical Interfaces Characte ristics for phys ical i nterfaces a re expl ained in t he foll owing sec tions: n Conf iguri ng .
3. Co nfig ura tion O pti ons 3-18 December 2002 9000-A2-G B31-00 T1 Network Interface FrameSav er Model s 9123, 9 126, and 91 28 hav e a T1 net work inter face.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-19 T ransmi t Ti ming Possible Settings: System, Interfa ce Default Sett ing: System Allows tran smit timing to be selected from either th e system master c lock source or from the cur rently selected inter face.
3. Co nfig ura tion O pti ons 3-20 December 2002 9000-A2-G B31-00 Network Initiated DCLB Possible Settings: Disable, V .54 _&_ANSI Default Sett ing: V .
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-21 Excessive Error Rate Threshold Possible Settings: 10E-4, 10E-5, 10E-6, 1 0E-7, 10E-8, 10E-9 Default Sett ing: 10E-4 Sets the e rror rate threshold that determ ines when an EER conditio n is declared.
3. Co nfig ura tion O pti ons 3-22 December 2002 9000-A2-G B31-00 T3 Network Interface FrameSav er Model s 9520 an d 9520-IL M have a T3 net work inte rface.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-23 DDS Network Interfac e FrameSav er Model s 9623 an d 9626 hav e a DDS net work int erface.
3. Co nfig ura tion O pti ons 3-24 December 2002 9000-A2-G B31-00 Network Initiated DCLB Possible Settings: Disable, V .54 _&_ANSI Default Sett ing: V .
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-25 IDSL Network Interface FrameSav er Model 9720 has an IDSL ne twork in terface. T able 3-10. IDSL Network Ph ysical Interface Options Operating R ate Possible Settings: AutoRate, 64, 128, 144 Default Sett ing: AutoRate Specifies the IDSL li ne rate.
3. Co nfig ura tion O pti ons 3-26 December 2002 9000-A2-G B31-00 SDSL Network Interface The Fram eSaver DS L 9783 C SU/DSU and R outer hav e an SDSL network interfac e.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-27 SHDSL Network Interfac e The Fram eSaver DS L 9788 C SU/DSU and R outer have a n SHDSL network interfac e.
3. Co nfig ura tion O pti ons 3-28 December 2002 9000-A2-G B31-00 Synchr onous Network Interface FrameSav er Mode ls 9 820-2M and 9820- 8M ha ve an E IA-530- A networ k interf ace. PSD Mask Possible Settings: Symmetric Default Sett ing: Symmetric Rea d-onl y .
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-29 Monitor DSR Possible Settings: Enable, Disable Default Sett ing: Enable Specifies whethe r the state of the DCE Ready (D SR) circuit on th e network data port will be used to determine wh en valid data c ommunication is possible w ith the u nit.
3. Co nfig ura tion O pti ons 3-30 December 2002 9000-A2-G B31-00 HSSI Network Interface FrameSav er Model 9820-45 M has a HS SI networ k interfac e. T able 3-14 .
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-31 Configuring a User Data Port (CSU/DSUs) Select P hysic al from t he Data P orts me nu to di splay o r ch ange the physic al charac teristics of the dat a port connecte d to the DTE. Main Menu → Con figurati on → Data Por ts → Ph ysic al See: n T a ble 3-15 , V .
3. Co nfig ura tion O pti ons 3-32 December 2002 9000-A2-G B31-00 Port Use ( 912 8) Possible Settings: Frame Relay , Synchronous Data Default Sett ing: Frame Re lay when the port supports fra me relay . Synchronous Da ta when t he port only sup ports synch ronous da ta.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-33 Invert T ransmit Cloc k Possible Settings: Auto, Enable, Disable Default Sett ing: Auto Determi nes whether the clock supp lied by the Fr.
3. Co nfig ura tion O pti ons 3-34 December 2002 9000-A2-G B31-00 Monitor DTR Possible Settings: Enable, Disable Default Sett ing: Enable Specifies whethe r the state of the D TE Ready (DTR) circuit on the user data port will be used to d etermine when valid data com m uni cation is possible wi th the DT E.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-35 Inve rt Transmit and R ecei ve Da ta (9 128) Possible Settings: Enable, Disable Default Sett ing: Disable Specifies w hether tran smitted and rece ived data for the synch ronous data port is logi cally inver ted before b eing transm itted or afte r being receive d from the netwo rk.
3. Co nfig ura tion O pti ons 3-36 December 2002 9000-A2-G B31-00 EIA-530-A/X.21/V .35 Data Port Physical Interface FrameSav er Model s 9788, 9 820-2M, a nd 9820 -8M have an EIA- 530-A da ta port that can b e adapte d for use as an X. 21 or V .35 data port.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-37 T ransmi t Clock Sou r ce Possible Settings: Internal, External Default Sett ing: Internal Determi nes whe ther the DTE’ s transmitt ed data is clock ed into the F rameSaver unit by its internal t ransmit clock or b y the external c lock provided by the DTE.
3. Co nfig ura tion O pti ons 3-38 December 2002 9000-A2-G B31-00 HSSI Data Port Physical Interface FrameSav er Model 95 20 has two HSSI da ta ports, and Mo del 9820-4 5M has one.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-39 Port T ype (9520 ) Possible Settings: HSSI, V .35 Default Sett ing: HSSI Specifies the port t ype of the dat a port. V. 3 5 – The port is configure d as a V .35-co mpatible DCE. A V .35-com patible D TE may b e connect ed to the port u s ing a DB25-to-M S34 ad apter .
3. Co nfig ura tion O pti ons 3-40 December 2002 9000-A2-G B31-00 Monitor DTR Possible Settings: Enable, Disable Default Sett ing: Enable Specifies whethe r the state of the D TE Ready (DTR) circuit on the user data port will be used to d etermine when valid data com m uni cation is possible wi th the DT E.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-41 Configuring the T3 User Port (9520-ILM) Select P hysic al to dis play or change th e phys ical char acteri stics of the us er data port con nected to the DTE ( see T able 3-18, T3 Us er Por t Physic al Inter face Options ).
3. Co nfig ura tion O pti ons 3-42 December 2002 9000-A2-G B31-00 Configuring the DSX-1 Interface (9126, 9128) Select D SX-1 to d isplay or change t he phy sical con figurati on options when a DSX- 1 int erfac e is insta lled (se e T able 3-1 9, DSX-1 Physical Interfac e Options ).
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-43 Line Equaliz ation Possible Settings: 0 –133, 133 – 266, 266 – 399, 399 – 533 , 533 – 655 Default Sett ing: 0– 1 3 3 Permits a standard DSX signa l to be delivere d over a distanc e of up to 655 fe et.
3. Co nfig ura tion O pti ons 3-44 December 2002 9000-A2-G B31-00 Configuring the ISDN DBM Interface (9126, 9128, 9626) For mo dels with ISDN ba ckup ca pabili ty , sele ct Phy sical from the I SDN menu to configur e the phy sical cha racter istics for DBM I nterface .
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-45 Refer to the T abl e 3-21 wh en config uring a P RI DBM. T abl e 3-21. I SDN PRI DBM Physi cal Interface O p tions (9 128) (1 of 3) Interface Status Possible Settings: Enable, Disable Default Sett ing: Disable Determi nes whethe r the ISDN inter face is a vailable for use.
3. Co nfig ura tion O pti ons 3-46 December 2002 9000-A2-G B31-00 Line Build Out (LBO ) Possible Settings: 0.0, –7. 5, –15, –22. 5 Default Sett ing: 0.0 Specifies the line build out for the signa l transmitte d to the ISDN. 0.0, –7.5, –15, –22.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-47 Excessive Error Rate Threshold Possible Settings: 10E-4, 10E-5, 10E-6, 1 0E-7, 10E-8, 10E-9 Default Sett ing: 10E-4 Sets the e rror rate threshold that determ ines when an EER conditio n is declared.
3. Co nfig ura tion O pti ons 3-48 December 2002 9000-A2-G B31-00 Setting Up ISDN Link Pr ofiles (9126, 9128, 9626) For mo dels with ISDN ba ckup ca pabili ty , sele ct ISDN Link Profiles f rom the IS DN menu t o set up the ISD N Link P rofiles ( see T ab le 3-22, ISDN L ink Pr ofile Optio ns ).
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-49 Outbound Ph one Number Possible Settings: 0 – 9 , * , # , space, _ , – , (, o r ) Default Setting: none Specifies the prim ary phone numbe r to call (the ISDN Called Party Ident ifier) for the Link Profile.
3. Co nfig ura tion O pti ons 3-50 December 2002 9000-A2-G B31-00 Assigning T ime Slots/Cross Connec tions The T ime Sl ot Assi gnment/C ross Conne ct featu re provid es an easy met hod of assign ing tim e slots for frame r elay dat a and cre ating cr oss-conn ection s to the synchron ous da ta interface .
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-51 Assigning T ime Slots to the Network Interfac e Befo re assign ing netw ork time slot s for use b y frame re lay traf fic, co nfigur e th.
3. Co nfig ura tion O pti ons 3-52 December 2002 9000-A2-G B31-00 For ea sy move ment be tween s creens, select the DSX Assign function key to go directly to t he DSX-1 to Network A ssignments screen. Time Slot Assignmen t Rule: V alid network time slo ts ar e either Available or contain a Fram e Relay Link 1 assign ment.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-53 DSX-1 to Network Time Sl ot Assignmen t Screen Example (Page 1) Page 2 of 2 is fo r defini ng signa ling ass ignments and trun k condit ioning for eac h DSX-1 inte rface tim e slot.
3. Co nfig ura tion O pti ons 3-54 December 2002 9000-A2-G B31-00 Proc edure 1. Follow this menu sele ction se quence : Config uration → Time Slot As signment → DSX -to-Netwo rk Assi gnments The DSX- 1 to Ne twor k Assignm e nts sc reen app ears.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-55 Only th ose DSX-1- to-Networ k ass ignments from page 1 are displayed on this page, fro m left to r ight and to p to bot tom in asc ending o rder , by network and t ime slot.
3. Co nfig ura tion O pti ons 3-56 December 2002 9000-A2-G B31-00 E&M-idle The signa ling bits transmit ted to the cross-c onnected T1 interfa ce during a CG A represent the idle state for an E&M int erface (ABCD = 0000 ).
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-57 PLAR3idl e The sig naling bit s transmitted to the c ross-connected T1 interfa ce during a CG A represent the idle state for a PLAR D3 i nterface (ABCD = 0000).
3. Co nfig ura tion O pti ons 3-58 December 2002 9000-A2-G B31-00 Assigning a Synchr onous Data Port to Networ k or DSX-1 T i me Slots For a Fram eSav er SL V un it with two data por ts, anoth er assi gnmen t screen is availab le.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-59 For ea sy move ment be tween s creens, select the F rA ssign fu nction k ey to go directly to the Fr ame Relay Network Assign ments sc reen or the DSX Assign function key to go to t he DSX-1 to Network Assignme nts scree n.
3. Co nfig ura tion O pti ons 3-60 December 2002 9000-A2-G B31-00 Configuring Frame Relay for an Interf ace Select F rame Re lay from the in terface’s menu to displa y or ch ange th e Frame Relay opt ions for an indiv idual in terface (see T able 3-25, Int erface P PP Opti ons ).
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-61 T raffic Policin g Possible Settings: Enable, Disable Default Sett ing: Disable Determines whether or not CIR (Committed Inf ormation Rate) and EIR (Excess Informatio n Rate) will b e enforced by the unit on frames bein g sent on network frame relay links.
3. Co nfig ura tion O pti ons 3-62 December 2002 9000-A2-G B31-00 LMI Clearing Event (N3) Possible Settings: 1, 2, 3, 4, 5, 6 , 7, 8, 9, 1 0 Default Sett ing: 1 Configu res the LMI-define d N3 parameter , which se ts the number of error-free me ssages that must be receive d before c learing an erro r event.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-63 Configuring PPP for an Interface Select P PP f rom the i nterface ’s menu to dis play or change the PP P options for an indivi dual inter face (s ee T a ble 3-25 , Interfac e PPP Opti ons ).
3. Co nfig ura tion O pti ons 3-64 December 2002 9000-A2-G B31-00 Manually Configuring DLCI Records The Auto -Configu ration fea ture a utomatic ally co nfigures DLCI Recor ds and th eir PVC Conne ctions. D LCI Reco rds can also be crea ted man ually ( see T able 3-26, DLCI Record Opt ions ).
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-65 DLCI T ype Possible Settings: Standard, Multiplexed , IP Enabled Default Sett ing: For user d ata port DLCIs: Stan dard For network int erface DLCIs: Mu ltiplexed Specifies whether the DLCI is sta ndard or mult iplexed.
3. Co nfig ura tion O pti ons 3-66 December 2002 9000-A2-G B31-00 Committed Burst Siz e Bc (Bit s) Possible Settings: CIR, Other Default Sett ing: CIR Specifies whether the DLCI’ s committed burs t size will fol low the CIR, or whether it will be entered in dependently .
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-67 DLCI Priority Possible Settings: Low, M e dium, High Default Sett ing: High Specifies the relative p riority for data re ceived on t he DLCI fro m an attached device (also known as qua lity of servic e ).
3. Co nfig ura tion O pti ons 3-68 December 2002 9000-A2-G B31-00 Configuring Cir cuit Recor ds for the Network Int erface For Model s 9783 and 9788, circui t records can be c reated or m odifie d and PVC s can b e created based on existin g DLCIs using the Networ k Circ uit Records screen .
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-69 DLCI T ype Possible Settings: Standard, Multiplexed, IP Enabled Default Sett ing: Multiplexed Specifies whether the DLC I is standard, mu ltiplexed, o r IP Enable d.
3. Co nfig ura tion O pti ons 3-70 December 2002 9000-A2-G B31-00 Bc Possible Settings: – 9783: 0 – 232000 0 – 9788: 0 – 231200 0 Default Sett ing: 0 Allows you to di splay or change the DLCI’s committed burst siz e. Displa y C onditio ns – This op tion appe ars only when Com m itted Burs t Size is set to Other .
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-71 Configuring A TM for the Network Inte rface For Model s 9783 and 9788, select A TM fr om the Netwo rk menu to displ ay or change A TM op tion s ettings (s ee T able 3-28, Network A TM Options ).
3. Co nfig ura tion O pti ons 3-72 December 2002 9000-A2-G B31-00 Configuring PVC Connections The Auto -Configu ration fea ture a utomatic ally co nfigures PVC C onnection s and their DLC I Records . PVC Conn ectio ns can al so be cr eated man ually ( see T a ble 3-29 , PVC Conne ction Options ).
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-73 Source EDLCI Possible Settings: 0 – 62 Default Sett ing: Initiall y blank; no defa ult. Specifies the source Embedd ed Data Li nk Connection Ide ntifier (EDLCI) for a fr ame relay interface when a multip lexed DLCI r ecord is s elected as one end of a conne ction.
3. Co nfig ura tion O pti ons 3-74 December 2002 9000-A2-G B31-00 Primary Dest ination EDL CI Possible Settings: 0 – 62 Default Sett ing: Initiall y blank; no defa ult.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-75 Alternate De stination EDLCI Possible Settings: 0 – 62 Default Sett ing: Initiall y blank; no defa ult.
3. Co nfig ura tion O pti ons 3-76 December 2002 9000-A2-G B31-00 Configuring the IP Path List Select I P Path Li st (Stati c) from th e Configur ation Edi t/Displa y menu to display or change th e list of static path I P address es expli citly defi ned in the unit.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-77 Setting Up Management and Communication Options Managemen t and Commun ications o ptions are expl ained i n the f ollowing section s: n C.
3. Co nfig ura tion O pti ons 3-78 December 2002 9000-A2-G B31-00 Configuring Node IP Information Select N ode IP to displa y , add, or chang e the i nformati on neces sary to su pport general IP commu nication s for the n ode (see T a ble 3-31 , Node IP Opti ons ).
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-79 Node Subnet M ask Possible Settings: 000.000.000.0 00 – 255. 255.255.255, Cl ear Default Sett ing: 000.000.0 00.000 Specifies the subnet ma sk needed to access the node. Since the subnet m ask is not bound to a particular port, it can be used f or remote acces s via a man agement PVC.
3. Co nfig ura tion O pti ons 3-80 December 2002 9000-A2-G B31-00 Manageme nt MTU Size Possible Settings: 90 – 1500 Default Sett ing: 1500 Specifies the Maximum T ransmissi on Unit (MTU) for man agement traf fic transmit ted on standard DLCIs, EDLCIs, IP tunnels, and Payload M anageme nt circuits.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-81 TS Managem ent SNMP V alidation Possible Settings: Enable, Disable Default Sett ing: Disable Specifies whether vali dation of c ommunity stri ngs and I P addresses i s perform ed for this managem ent link.
3. Co nfig ura tion O pti ons 3-82 December 2002 9000-A2-G B31-00 Confi guring Manageme nt PVCs Select M anagem ent PVCs to defi ne inband manage ment link s by add ing or changing Manag ement P VCs (see T able 3-32, Man agement PVC Opt ions ).
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-83 Payload Managed Possible Settings: Enable, Disable Default Sett ing: Disable Specifies whethe r the PVC is p ayload managed. Displa y Conditio ns – This is a rea d-only fie ld set to Enabled if the PVC is IP Enab led.
3. Co nfig ura tion O pti ons 3-84 December 2002 9000-A2-G B31-00 Primary Li nk Possible Settings: Net1-FR1, Port- n , Rtr-S0, ISDN Link Na m e , Clea r Default Sett ing: Initiall y blank; no defa ult. Spec ifi es the fram e re lay int erf ace t o us e for t his manag emen t PVC .
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-85 Primary EDLCI Possible Settings: 0 – 62 Default Sett ing: Initiall y blank; no defa ult. Specifies the EDLCI numb er used for a man agement PVC when a multiplexed DLCI is selecte d. EDLCIs ident ify individ ual connectio ns within mult iplexed DLC Is that are unique to those DLCIs.
3. Co nfig ura tion O pti ons 3-86 December 2002 9000-A2-G B31-00 Alternate Link Possible Settings: Net1-FR1, Port- n , ISDN Link Name , Cle ar Default Sett ing: Initiall y blank; no defa ult. Specifies the frame relay in terface to use for this m anageme nt PVC as the al ternate link.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-87 Encapsulatio n Possible Settings: Routed Default Sett ing: Routed This read -only field spe cifies that the IP encapsula tion used is RFC 1490/R FC 2427 routed N etwork Leve l Protocol IDen tifier (NL PID) enca psulatio n, and not SubNe twork Access Proto c ol (SNAP) e ncapsulati on.
3. Co nfig ura tion O pti ons 3-88 December 2002 9000-A2-G B31-00 Configuring Ge neral SNMP Manage ment Select G eneral SNMP Managemen t to add, chang e, or del ete the info rmation needed to a llow t.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-89 Configuring T elnet and/or F TP Session Support T e lnet and F TP options c ontrol w hether a T elnet or F TP ( File Transport Pr otocol) sessi on is all owed thro ugh an inte rconnec ted IP net work and the acces s secur ity applica ble to the sess ion.
3. Co nfig ura tion O pti ons 3-90 December 2002 9000-A2-G B31-00 T able 3- 34. T elnet an d F TP Se ssion Op tions (1 of 2) T elnet Session Possible Settings: Enable, Disable Default Sett ing: Enable Specifies whether the Fra meSaver u nit will respond t o a session request fr om a T el net client o n an interconnec ted IP network.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-91 Inac tivi ty Time out Possible Settings: Enable, Disable Default Sett ing: Enable Determi nes whether a T elnet sessi on is disco nnected after a speci fied period of ke yboard inact ivity .
3. Co nfig ura tion O pti ons 3-92 December 2002 9000-A2-G B31-00 Configuri ng SNMP NMS Securi ty Select S NMP NM S Securit y from th e Manag ement a nd Communi catio n menu to display , ad d, or ch ange S NMP secu rity co nfigurat ion opt ions for the Fra meSaver unit to se t up trap managers (see T able 3-35, S NMP NMS S ecurit y Options ).
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-93 Configuring SNMP T r aps and T r ap Dial-Out Select S NMP T raps fr om the Manag ement and Communic ation me nu to configu re SNMP traps and di al-out wh en a trap is gener ated (se e T ab le 3-36, S NMP Traps and Tr ap Dial -Out Opti ons ).
3. Co nfig ura tion O pti ons 3-94 December 2002 9000-A2-G B31-00 NMS n IP Address Possible Settings: 001.000.000.0 00 – 223. 255.255.255, Cl ear Default Sett ing: Clear (000.000.0 00.000) Specifies the IP add ress that identi fies the SNM P manage r(s) to receive SNM P traps.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-95 Enterprise Spec ific Tr aps Possible Settings: Enable, Disable Default Sett ing: Enable Determi nes whether trap messages for enterp riseSpecific eve nts are sent to the curren tly configure d trap manager(s ).
3. Co nfig ura tion O pti ons 3-96 December 2002 9000-A2-G B31-00 DLCI T raps on Interf aces – In terface Selectio n Field Possible Settings: Network , Ports, DBM, All, None Default Sett ing: All Specifies which interface s will generat e linkUp and link D own trap messages for individual DLCIs.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-97 T rap Dial- Out Possible Settings: Enable, Disable Default Sett ing: Disable Controls whe ther SNMP trap me ssages initiate a call automati cally .
3. Co nfig ura tion O pti ons 3-98 December 2002 9000-A2-G B31-00 Alternate Dial-Out Directory Possible Settings: None, 1 – 5 Default Sett ing: None Specifies whether an in complete call (bus y , or no an swer , etc.) resulti ng from an attem pt to send a n SNMP trap messa ge is retried usi ng an alternat e telepho ne number .
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-99 Confi guring Ethe rnet Ma nagemen t Select Ethernet Manage ment from the Ma nagement a nd Comm unicati on menu, o r Ethernet Manage ment Opti ons Scree n from the Easy Install screen, to confi gure the Ether net port ( see T a ble 3-37, Eth ernet Man agemen t Options ).
3. Co nfig ura tion O pti ons 3-100 December 2002 9000-A2-G B31-00 Default Gateway Add ress Possible Settings: 001.000.000.0 00 – 223. 255.255.255, Cl ear Default Sett ing: Clear (000.000.0 00.000) Specifies the IP add ress for the port’ s default ga teway .
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-101 Configuring the Commu n ication Port Select C ommuni cation Port from the Man agement and Commu nication menu to display or cha nge the communic ation port con figurati on options (see T able 3-38, Commun ication Port Op tions ).
3. Co nfig ura tion O pti ons 3-102 December 2002 9000-A2-G B31-00 Parity Possible Settings: None, Even, Odd Default Sett ing: None Provides a method of checki ng the accuracy of binary n umbers for th e COM port. A pari ty bit is ad ded to the data to make the “1” bits of ea ch character ad d up to either an odd or even num ber .
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-103 Port Acces s Level Possible Settings: Level-1, Level- 2, Level-3 Default Sett ing: Level-1 Specifies level of user access privil ege for an asynchronous terminal connec ted to the COM port.
3. Co nfig ura tion O pti ons 3-104 December 2002 9000-A2-G B31-00 IP Address Possible Settings: 001.000.000.0 00 – 223. 255.255.255, Cl ear Default Sett ing: Clear (000.000.0 00.000) Specifies a unique IP address for accessing the un it via the COM po rt.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-105 Configuri ng the Modem Port Select Mo dem Port fro m the Manag ement and Comm unica tion menu to con figure the modem port (s ee T ab le 3-39, M odem Por t Option s ).
3. Co nfig ura tion O pti ons 3-106 December 2002 9000-A2-G B31-00 Login Required Possible Settings: Enable, Disable Default Sett ing: Disable Determines whether a user ID and pa ssword (referred to as the login) is required in order to log on to the asynchro nous termina l connec ted to the modem port.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-107 Disconnect T ime (Minutes) Possible Settings: 1 – 60 Default Sett ing: 10 Determi nes the amount of lapsed time before disconne cting a user session in minutes. Displa y C onditio ns – This op tion only appears when : Port Use is set to T e rminal.
3. Co nfig ura tion O pti ons 3-108 December 2002 9000-A2-G B31-00 Alternate I P Address Possible Settings: 001.000.000.0 00 – 223. 255.255.255, Cl ear Default Sett ing: Clear (000.000.0 00.000) Specifies the alternate IP a ddress for the m odem port.
3. Conf iguration Op tions 9000-A2-G B31-00 December 2002 3-109 Configuring the Criteria for Automatic Backup For units with a n ISDN DBM, follow thi s menu se lecti on sequen ce to specify whether a .
3. Co nfig ura tion O pti ons 3-110 December 2002 9000-A2-G B31-00 When Auto Backup Al lowe d Possible Settings: Always, Restr ict Default Sett ing: Always Determines when backup for the access unit i s allowed to occ ur . Always – No res trictions on backup.
9000-A2-G B31-00 December 2002 4-1 4 Featur e-Specific Confi guration This chapter includes the follo wing: n Setting Up an Ex ternal M odem on pa ge 4-2 n Setting Up an Inte rnal Mod em on pa ge 4-3 .
4. Feature -Specific Conf iguration 4-2 December 200 2 9000-A2-G B31-00 Setting Up an Exte rnal Modem A standa rd E IA-232-D c rossover cable can be used to conne ct the CO M port to an externa l modem. T he exter nal modem must be c onfigured so it is compa tible w ith the FrameS aver un it.
4. Fe atu re-Sp ecif ic Co nfi gura tion 9000-A2-G B31-00 December 2002 4-3 Setting Up an I nternal Modem Models 9 126, 91 28, 9520, 95 20-ILM , 9626, and 9820- 45M have an inte rnal modem for dial-in a ccess to th e menu -driven u ser inte rface, as well as dial-out capabil ity w hen an S NMP trap is generated .
4. Feature -Specific Conf iguration 4-4 December 200 2 9000-A2-G B31-00 4. S ave t he phone number (s) . Setting Up to Use the Modem PassT hru Feature Dial-in access to the r outer is possib le via th e Modem PassTh ru featu re, also known as the Rout er Assist feature.
4. Fe atu re-Sp ecif ic Co nfi gura tion 9000-A2-G B31-00 December 2002 4-5 Setting Up Dial Backup When con figur ing un its with I SDN backu p capabi lity , t he followi ng gui delines apply: n Central site config uration gui delin es: — Set up the ISDN DB M physic al interfa ce.
4. Feature -Specific Conf iguration 4-6 December 200 2 9000-A2-G B31-00 Setting Up Au tomatic B ackup Config urat ion The Auto matic Ba ckup Con figur ation featu re is us ed to a utomatic ally cr eat.
4. Fe atu re-Sp ecif ic Co nfi gura tion 9000-A2-G B31-00 December 2002 4-7 When the A utomat ic Back up Con figurati on setting is chan ged, the followin g prompts appear . N o i s the defa ult for th ese prom pts. When the . . . The following p rompt appears .
4. Feature -Specific Conf iguration 4-8 December 200 2 9000-A2-G B31-00 NOTE: When DLCIs , PVC co nnections , and m anagement PVCs for the first I SDN Link Profi le ha ve been c onfigu red manua lly , i t is reco mmende d that spec ific discover ed DLCIs, P VC co nnection s, and man agemen t PVCs be delete d manually via the Configu ration m enus.
4. Fe atu re-Sp ecif ic Co nfi gura tion 9000-A2-G B31-00 December 2002 4-9 Modifying ISDN Link Profiles Once an ISDN Link Profil e is conf igured u sing the Automatic Backu p Config uration feature, p hone nu mbers and Ca llin g IDs need to be en tered.
4. Feature -Specific Conf iguration 4-10 December 2002 9000-A2-G B31-00 Restrictin g Automatic B ackup an d Configur ing Backup Timers Y ou can speci fy when auto bac kup is al lowed to occ ur .
4. Fe atu re-Sp ecif ic Co nfi gura tion 9000-A2-G B31-00 December 2002 4-11 Configuring the DBM Interface to Send SNMP T raps The ISDN DBM inter face can be sp ecified a s an inte rface tha t monit o.
4. Feature -Specific Conf iguration 4-12 December 2002 9000-A2-G B31-00 PVC Backup Over the Ne twork Interface Genera lly , b ackup can b e per formed on the netw ork inte rface’s frame relay l ink using a b ackup P VC, as well o n an ISDN l ink; the u nit doe s not hav e to have t he ISDN DBM fe ature.
4. Fe atu re-Sp ecif ic Co nfi gura tion 9000-A2-G B31-00 December 2002 4-13.
4. Feature -Specific Conf iguration 4-14 December 2002 9000-A2-G B31-00.
9000-A2-G B31-00 December 2002 IN-1 Index Numerics 1MPort mode auto -co nfi gur ati on, 2- 14 1Por t mode auto -co nfi gur ati on, 2- 14 1PPort mode auto -co nfi gur ati on, 2- 14 2MPor ts mod e auto .
Index IN-2 December 20 02 9000-A2-GB31 -00 changi ng auto -co nfi gur ati on, 4- 7 automat ic backup con figurat ion, 4- 7 configu ration options, 1-5 changi ng operating m ode, 4-12 Chann el, 2-10, 3.
Index 9000-A2-G B31-00 December 2002 IN-3 Desti nation, 3- 94 Default IP, 3-79 DLCI, 3- 73–3-74 EDLCI, 3 -74–3-75 Link , 3- 73– 3- 74 dial ba ckup, 4-5 Dial-In Access , 3-105 Dial-Out Dela y Tim.
Index IN-4 December 20 02 9000-A2-GB31 -00 Excess ive Error Rate Threshold, 3-21 External Transmi t Clock, 3 -33 External Tran smit Clock, 3-37, 3-39 F Frame Relay assi gnin g time s lot s, 3-5 1 conf.
Index 9000-A2-G B31-00 December 2002 IN-5 Link Create a Dedicated Net work Manag ement, 2- 6 Desti nation, 3- 73–3-74 maximu m ISDN rate, 3-49 Name, 3-48 Protocol, 3-105, 3-107 setting up ISDN profi.
Index IN-6 December 20 02 9000-A2-GB31 -00 NMS IP Address, 3-92, 3-94 IP Validation , 3-92 SNMP secu rity opti ons, 3-92 Node IP Address, 2-5, 3-78 IP config uration optio n table s, 3-78 Subnet M a s.
Index 9000-A2-G B31-00 December 2002 IN-7 Protocol address resoluti on, 3-100 encaps ulations, 2 -10, 3-71 Link, 3- 105, 3-107 LMI, 3 -60 Point-to-Po int (PPP), 3-105, 3-107 Routin g Informat ion (RIP.
Index IN-8 December 20 02 9000-A2-GB31 -00 spectra l density (PSD ), 3-28 SPID, 3-44 Stan dard DLCI Type, 3- 69 Status Enquiry LMI, 3 -6, 3-62 Stop Bits, 3-1 02 Subnet Mas k, 3-83, 3-99, 3-104, 3-10 7.
Index 9000-A2-G B31-00 December 2002 IN-9 W warmStart eve nts Gener al Tr aps, 3 -94 warrant y, A website access to d ocumen tati on, vi glos sary , v X X.
Index IN-1 0 Decembe r 2002 9000-A2-GB31-00.
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 Paradyne 9820-2M 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 Paradyne 9820-2M - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Paradyne 9820-2M imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Paradyne 9820-2M ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Paradyne 9820-2M, 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 Paradyne 9820-2M.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Paradyne 9820-2M. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Paradyne 9820-2M 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.
