Manuale d’uso / di manutenzione del prodotto Equinox Console Manager CCM4850 CCM4850 CCM4850 del fabbricante Avocent
Vai alla pagina of 100
Installer/User Guide CCM4850 590-3 73-00 1B For T echnical Support: Equinox Systems One Equinox W ay Sunrise, Florida 3335 1 USA Tel: 954.7 46.9000 Email: support@equinox.
LIMITED WARR ANTY Equinox warrants t hat the Product(s ) shall be free from manufact uring defec ts in materials and workmanship for a period of ve ( 5) y ears from t he da t e of deliv ery provided t hat t he Product was properly installed and used.
CCM4850 Inst aller/User Guide A vocent, A VW orks and Equinox are re gistered trademarks of A vocent Corporation or its af filiates. All other marks are the property of their respective owners.
USA Notification W ARNING: Changes or modifications to this unit not expressly appr oved by the party responsible for compliance could void the user ’ s authority to operate the equipment. NOTE: This equipment has been test ed and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules.
iii Table of Contents List of Figures ................ ................... .................... ................... ................... ................... vii List of Tables ........... .................... ................... .................... ..
iv CCM4850 Installer/User Guide Using Authenti cation Method s .................. ...................... .......................... ...................... ........... ..... . 23 Authentication summary ...... ......................... .................
Table of Contents v Server Reboot command ................. ......................... .......................... ...................... .............. .. .5 3 Server Security command ..................... ......................... ....................
vi CCM4850 Installer/User Guide.
vii List of Figures Figure 2.1: CCM4850 Appliance Front Panel ............................................................... ............ ....... 5 Figure 2.2: CCM4850 Appliance Back P anel ............. ..............................................
viii CCM4 850 Installer/User Guide.
ix List of Tables Table 2.1: LAN LED Values ............ ....................... .............. ......................... ....................... ..... ... ..... 5 Table 3.1: Default Port Settings .............. ......................... .............
x CCM 4850 Installer/User Gu ide Table 5.17: Server SNMP Community Command Parameters................. ......................... .............. 55 Table 5.18: Server SNMP Manager Command Parame ters .............. ......................... ...........
1 CHAPTER 1 Product Overview Features and Benefit s Overview The CCM console management appliance provides non-blocked access and cont rol for serial devices such as serial-managed Linux (or other UNIX) servers, routers, power management devices and firewalls.
2 CCM 4850 Installer/User Gu ide Extensive command set The CCM appliance offers a wide range of commands that all ow administrators to easily configu re, control and display information abou t the CCM appliance operating environment, including its ports, user accounts and active s ession s.
Chapter 1: Product Overview 3 Using A VW orks Sof tware The AVWorks cross-platform management application may be used to manage CCM4850 appliances and access attached devices. Using AV Works software, you may perform most of the operations that are described in this manual.
4 CCM 4850 Installer/User Gu ide.
5 CHAPTER 2 Installation and Configuration Hardware Overview Figure 2.1 shows the front panel of a CCM4850 appliance. Figure 2.1: CCM4850 Appliance Fron t Panel The front panel contains the 48 serial port conn ectors.
6 CCM 4850 Installer/User Gu ide Figure 2.2 shows the back panel of a CCM4850 applian ce. Figure 2.2: CCM4850 Appliance Back Pan el The back panel contains: • The AC line cord connector . • On/off switch ( O = of f, | = on). • Outflow openings for the tw o internal fans.
Chapter 2: Installation and Configuration 7 3. Attach a 10BaseT , 100BaseT or 1000BaseT LAN interface cable to the LAN POR T connector on the back of the CCM appliance. A CA T 5 cable is required for 100BaseT operation. A CA T 6 cable is required for 1000BaseT operation.
8 CCM 4850 Installer/User Gu ide 3. Y ou may verify that the BootP process was successful with a ping command, which tests net- work connectivity . The ping command is entered as: ping <ip_address> For example, the following comm and tests th e network connectivity of a CCM ap pliance with the IP address 192.
Chapter 2: Installation and Configuration 9 Initial CCM appliance login The CCM appliance ships with a single user defined in its user datab ase. The first time you connect to the CCM appliance, you ar e prompted for a username. T o log in to the CCM appliance for t he first time: 1.
10 CCM4850 Installer/User Guide T o reinitialize the CCM appliance: 1. Locate the recessed INIT button on the front of the CCM applian ce. An opened paper clip may be used to depress the button. 2. Insert the end of the opened paper clip in th e recess, then depress and hold the button.
11 CHAPTER 3 Operations Overview The CCM console management appliance and its po rts are easily configured and managed to meet your requirements for device co nnection, user authentication, access con.
12 CCM4850 Installer/User Guide The Power parameter instructs the CCM appliance to monitor the state of a sp ecified control signal. Signal transitions may be confi gured to trigger SNMP traps. The parame ter value indicates an inbound control signal (CTS, DCD or DSR) and the state of that signal (low or high).
Chapter 3: Operations 13 A VWorks sof tware T elnet client Each CCM appliance is shipped with the AVWorks cross-platfo rm management application. AVWorks software provides a conv enient way to se lect a CCM appliance or an attached device and launch a Telnet session to manage it.
14 CCM4850 Installer/User Guide port, you may also access devices thr ough a remote terminal or PC th at can dial into the external modem. For information about modem connections, see Configuring a nd using dial-in connections on page 14 and Server CLI command on pa ge 49.
Chapter 3: Operations 15 Connecting to d evices using PPP The CCM appliance supports remote PPP access usi ng an autoanswer modem that answers calls and establishes the PPP protocol with a dial-in client. Y ou may establish Telnet o r SSH connections over PPP.
16 CCM4850 Installer/User Guide command includes the Encr ypt=SSH,None parameter, which in dicates that both SSH and plain text connections will be allowed.
Chapter 3: Operations 17 A user’s access rights are determin ed from the authentication method used. SSH key authentication always uses the access rights from the local user database.
18 CCM4850 Installer/User Guide • When using the KEY keyw ord to specify the SSH key , the KEY parameter specifies the actual uuencoded SSH key . This is for configurations that do not implement an FTP server . The CCM appliance stores the specified key in the CCM user database.
Chapter 3: Operations 19 T o enable both T elnet and SSH connections: Issue a Server Security comman d, indicating Encrypt=SSH,None. CLI mode While you are connected to an attached serial device, you may en ter Telnet CLI mode and enter CCM appliance commands.
20 CCM4850 Installer/User Guide DISCONNECT - or - Allow the port to tim e-out due to inactivity. In this case, a notification message is issued and the serial CLI session returns to CLI mode.
Chapter 3: Operations 21 T o add a user: Issue a User Add command. USER ADD < username > [PASSWORD=< pwd >] [SSHKEY=< keyfile >] [FTPIP=< ftpadd >] [KEY=< sshkey >] [ACCESS=< access >] You must specify a username. You must also specify a password or SSH user key information, or you may specify both.
22 CCM4850 Installer/User Guide for each command are listed in Table 4.4 on page 36. Table 3.3 describes the access rights a user may be given . Access levels When you specify a user’s permissions, you may eith er indicate the individual rights as listed in Table 3.
Chapter 3: Operations 23 USER ADD < username > ACCESS=< access > 2. T o change a user ’ s access rights/level, issue a User Set command, using the Access parameter to specify the rights or a level. USER SE T < username > ACCESS=< access > 3.
24 CCM4850 Installer/User Guide You may optionally specify both RADIUS and local au thenti cation, in either order. In this case, authentication w ill be attempted ini tially on the first metho d specified. If that fails, t he second method will be used for authenti cation.
Chapter 3: Operations 25 You may also use this command to delete a RADIUS server definition. SERVER RADIUS PRIMARY |SECONDARY DELETE For more information, see Server RADIUS command on page 52. 2. Issue a Server Security comm and, using the Authentication pa rameter to specify the authenti- cation method.
26 CCM4850 Installer/User Guide T o enable or disable security lock-out: 1. T o enable security lock-out, issue a Server Security comman d, using the Lockout parameter with a value between 1-99. 2. T o disable security lock-out, issue a Server Security command, us ing the Lockout=0 p a rameter .
Chapter 3: Operations 27 The following examples assume the user is in port history mode. The following command searches the history buff er in the upward dir ection for the string Abort Process. PORT HISTORY> s -u “Abort Process” The following command searches the history buffer for the string Process, ignoring case.
28 CCM4850 Installer/User Guide SERVER CLI HISTORY=CLEAR|KEEP • If Clear is specified, the port history buffer is cleared and all data is discarded at the end of a session. • If Keep is specified, the port history buffer ’ s content is retain ed at the end of a session.
Chapter 3: Operations 29 NOTE: The default community names are “public”; if you enable SNMP , you are encouraged to change the community values to prevent access to the MIB.
30 CCM4850 Installer/User Guide dash or a combination of numb ers with commas and dashes. To disable all traps, type ALL . To cancel the command, press Enter . - or - To disable all SNMP traps, issue a Server SNM P Trap command with the Disable and All parameters.
Chapter 3: Operations 31 T o display SNMP configuration information: Issue a Show Server SNMP command. SHOW SERVER SNMP The display includes information specified w ith the Server SNMP, Se rver SNMP Community , Server SNMP Manager, Server SNMP Trap a nd Server SNMP Trap Destination co mmands.
32 CCM4850 Installer/User Guide.
33 CHAPTER 4 Using CCM Appliance Commands Accessing the CLI You may access the CLI in three ways: using the Telnet CLI, using the console port or entering the CLI access character during a sessi on to a serial device. When th e CLI is accessed, its prompt appears (>), indicating you may type a command.
34 CCM4850 Installer/User Guide Table 4.2 lists the line editi ng operations for ASCII TTY devices. There is no command line buffer available on an ASCII TTY device. When commands take effect Each command is completely processed before the next command may be entered.
Chapter 4: Using CCM Appliance Commands 35 Not every command will contain al l syntax types. For example, the following comm and reboots the CCM appliance. >SERVER REBOOT In this case, both SERVER and REBOOT are positional commands. In most cases, one or more spaces s eparate positional commands, posi tional parameters and keyword parame ters.
36 CCM4850 Installer/User Guide In the following example, the keyword value “576 ” is not valid. Numeric keyword values must be fully specified and may not be shortened to three characters.
Chapter 4: Using CCM Appliance Commands 37 Port Alert Add Adds a port alert string. Access right: SCON or PCON Access level: ADMIN or APPLIANCEADMIN Port Alert Copy Copies a port’s alert strings to another port. Access right: SCON or PCON Access level: ADMIN or APPLIANCEADMIN Port Alert Delete Deletes one or more port alert strings.
38 CCM4850 Installer/User Guide Server RADIUS S pecifies RADIUS server parameters. Access right: SCON Access level: APPLIANCEADMIN Server Reboot Reboots the unit. Access right: SCON Access level: APPLIANCEADMIN Server Security S pecifies the user authentication mode, enables/disables secu rity lock-out and connection methods.
Chapter 4: Using CCM Appliance Commands 39 Show Server Displays CCM appliance configuration, statistics and session information. Access right: SMON Access level: ADMIN or APPLIANCEADMIN Show Server CLI Displays information specified wit h the Server CLI command.
40 CCM4850 Installer/User Guide User Unloc k Unlocks a locked-out user . Access right: USER Access level: ADMIN or APPLIANCEADMIN (An ADMIN level user may issue this command for users with any level other than APPLIANCEADMIN.
41 CHAPTER 5 CCM Appliance Commands Connect Command The Connect command establishe s a connection from the CCM console management appliance console port to a device attached to another port on that CCM appliance. To use this command, yo u must have previously issued a Server CLI co mmand with the Connect=O n parameter.
42 CCM4850 Installer/User Guide Help Command The Help command displays information about CCM appliance commands. Access right: none needed Access level: none needed Syntax HELP [< command_name >] Examples The following command displays inform ation about the Show Server CLI command.
Chapter 5: CCM Applianc e Commands 43 Port Alert Add command The Port Alert Add command adds a port alert string to a specified port. Each port m ay have up to ten port alert strings. Duplicate st rings are not allowed on the same port. To generate a trap, the Server SNMP Trap command must be issued to en able the PortAlert trap.
44 CCM4850 Installer/User Guide Port Alert Delete command The Port Alert Delete command deletes one or more alert strings from a port . When you issue this command, a numbered list of defi ned alert strings is displayed, from whic h you choose those to b e deleted.
Chapter 5: CCM Applianc e Commands 45 Access right: none needed Access level: all Syntax PORT HISTORY When you are in port history mod e, you may issue the commands listed in Table 3.5 on page 26. Examples The following command accesses the serial port’s history mode.
46 CCM4850 Installer/User Guide T able 5.8: Port Set Command Parameters Parameter Description < port > A port number in the range 1-48, a range of port numbers separated by a dash, multiple port numbers separated by commas or CON.
Chapter 5: CCM Applianc e Commands 47 Example The following command sets a baud rate of 57600 and enab les XON/XOFF flow control on port 2. > port 2 set baud=57600 flow=xonxof SOCKET=< socket > TCP port that must be entered on the T elnet client to connect to this serial port.
48 CCM4850 Installer/User Guide Quit Command The Quit command terminates the current CCM appliance session and terminates your Telnet connection to the unit. Access right: none needed Access level: all Syntax QUIT Resume Command The Resume command exits the CLI and resumes your connection to the attached serial device.
Chapter 5: CCM Applianc e Commands 49 Server CLI command The Server CLI command: • Specifies the co nsole port type • Specifies the CLI access character • Enables or disables device connection f.
50 CCM4850 Installer/User Guide Server FLASH command The Server FLASH command updat es the CCM appliance program imag es in FLASH memory. Yo u may wish to use this command to update the program wi th new features or to install a later release. There are two program images that you may update in the CCM appliance FLASH.
Chapter 5: CCM Applianc e Commands 51 Syntax SERVER FLASH BOOT|APP HOS TIP=< t ftp_add > IMAGE=< host_file > Example The following command updates the boot image program using the im age file name c:winntsystem32driversccm5 0bt.img, which is located on the TFTP serv er host located at 192.
52 CCM4850 Installer/User Guide Examples The following command enables the PP P server with a local IP address o f 192.168.0.1, a remote IP address of 192.168.0.2 an d a su bnet mask of 255.255.255.0. > ser ppp ena loc=192.168.0.1 rem=19 2.168.0.2 mas=255.
Chapter 5: CCM Applianc e Commands 53 Examples The following command specifies pr imary RADIUS server information; default values wi ll be used for the UDP port, time-o u t and retries values. > ser radius primary ip=192.168.0.20 0 secret=ThePrimaryRadSecret user- rights=86 The following command deletes the primary RADIUS server defin ition.
54 CCM4850 Installer/User Guide Syntax SERVER SECURITY [AUTHENTICATION=< aut h >] [ENCRYPT=< conns >] [LOCKOUT=< hours >] Server Set command The Server Set command changes CCM appliance address settings. You may specify one, two or all three parameters.
Chapter 5: CCM Applianc e Commands 55 Server SNMP command The Server SNMP command enables or disables SNMP UDP port 161 SNMP processing. When you disable SNMP processing, you may still enab le and disable traps w ith the Server SNMP Trap command. For more information, see Managing the CCM Applia nce Using SNMP on page 28.
56 CCM4850 Installer/User Guide Server SNMP Manager command The Server SNMP Manager command defines or deletes SNMP management entities. You m ay define up to four managem ent en tities. If you delete all SNMP ma nagers (or never add any), the CCM appliance may be accessed using SNMP from any IP address.
Chapter 5: CCM Applianc e Commands 57 Syntax SERVER SNMP TRAP [ ENABLE|DISABLE] [ALL] Example The following command enables the linkUp, userDeleted and userLogi n SNMP traps.
58 CCM4850 Installer/User Guide terminated if a CCM SSH server key must be gene rated. Yo u must also h ave previously speci fied an authentication method other than No ne with the Server Security command.
Chapter 5: CCM Applianc e Commands 59 Show Port command The Show Port command displays configuratio n and status information about one or all ports. Access right: SMON Access level: ADMIN or APPLIANCEADMIN Syntax SHOW PORT [< port >|ALL|NAMES] The SHOW PORT NAME S co mmand displ ay includes the port nu mbers and names.
60 CCM4850 Installer/User Guide Show Port Alert command The Show Port Alert command displays a port’s alert strings. Access right: SMON Access level: ADMIN or APPLIANCEADMIN Syntax SHOW PORT < port > ALERT Show Server command The Show Server command displa ys CCM appliance configuration information and statistics.
Chapter 5: CCM Applianc e Commands 61 Show Server CLI command The Show Server CLI command di splays the serial CLI settings. Access right: SMON Access level: ADMIN or APPLIANCEADMIN Syntax SHOW SERVER CLI T able 5.26: Show Server Command Display Fields Field Cont ent Server IP address (from initial configuratio n or Server Set command).
62 CCM4850 Installer/User Guide Show Server PPP command The Show Server PPP comm and displays the current PPP settings that were configured with the Server PPP command.
Chapter 5: CCM Applianc e Commands 63 Show Server SNMP command The Show Server SNMP command displays SNMP configu ration information. Access right: SMON Access level: ADMIN or APPLIANCEADMIN Syntax SHOW SERVER SNMP Show User command The Show User command displays information about one or all users.
64 CCM4850 Installer/User Guide A Show User All command display includes the information in Table 5.31. SPC Command The SPC command is reserved for future f unctionality. T able 5.30: Show User Command Display Fields Field Cont ents User Username. Level User ’s access level.
Chapter 5: CCM Applianc e Commands 65 User Commands The User command has several fo rms, as listed in Table 5.32. User Add command The User Add command adds a new user to the CCM user database. The user database holds a maximum of 64 user definitions.
66 CCM4850 Installer/User Guide Examples The following command adds the username JohnD oe, with the p assword secretname, access to ports 2, 5, 6 and 7 and user and monitor access rights. > user add JohnDoe password=secretna me access=P2,5-7,user,smon The following command adds the username JaneDoe, with access to all ports.
Chapter 5: CCM Applianc e Commands 67 User Logout command The User Logout command terminates a user’s active sessions on the C CM appliance. If the specified user has no active sessions, an error messa ge is displayed. For all active sessions that are terminated, a message is sent to the Telnet client and the Telnet connection is dropped.
68 CCM4850 Installer/User Guide Examples The following command sets the access rights fo r JohnDoe, enabling access to all ports with configuration and moni toring access rights. >user set JohnDoe access=pall,scon,s mon The following command removes th e server configuration access ri ght for JohnDoe, and leaves other access rights intact.
Chapter 5: CCM Applianc e Commands 69 Syntax USER UNLOCK < username > T able 5.37: User Logout Command Param eter Parameter Description <username> Username to be unlocked.
70 CCM4850 Installer/User Guide.
71 Appendices Appendix A: T echnical S pecifications T able A.1: CCM4850 Appliance T echnical Specifications Item V alu e Device Ports Number 48 T ype Serial ports Connectors Serial port RJ-45 Console Por t Number 1 Connector Serial port RJ-45 Network Connection Number 1 Ty p e Ethernet: IEEE 802.
72 CCM4850 Installer/User Guide AC-input cable 18 AWG thre e-wire cable, with a t h ree-lead IEC-320 recepta cle on the power supply end and a coun try depende nt plug on the powe r resource end Frequ.
Appendices 73 Appendix B: Device Cabling Each CCM appliance serial port has an R J-45 conn ector for attaching a se rial device. Table B.1 lists the pin assignments. Modular adaptors are available from Equinox to convert RJ-45 modular jacks to stand ard pinout configurations.
74 CCM4850 Installer/User Guide Figure B.1 shows the pin assignments for the adaptors li sted in Table B.2. Figure B.1: CA T 5 and CA T 6 Cable Adaptor Pin A ssignments 210127 RJ-45 to RJ-45 Male Adaptor for Cisco and Sun Netra console port 750238 CA T 5 Serial St arter Kit - includes all t he above adaptors T able B.
Appendices 75 Reversing adaptors and cables Table B.3 lists the reversing adaptors and reversing cables available from Equino x. T able B.3: Reversing Adaptors and Cables Part Number Description 21009.
76 CCM4850 Installer/User Guide Figure B.2 shows the pin assignments for the adaptors li sted in Table B.3. Figure B.2: Reversing Cable Adapt or Pin Assignments If you choose to u se a non-Equinox reversing cable, make sure the cab le is reversing, as shown in Figure B.
Appendices 77 Figure B.3: 8-wire RJ-45 Reversing C able RTS DSR CD RD TD GND DTR CTS 1 2 3 4 5 6 7 8 8 7 6 5 4 3 2 1 RTS DSR CD RD TD GND DTR CTS 8-WIRE CCM Port Modular Adaptor.
78 CCM4850 Installer/User Guide Appendix C: Supported T rap s The CCM appliance supports the following MIB2 traps: • authentication Failure • linkUp • linkDown •c o l d S t a r t Table C.1 lists the supported enterprise traps. The Equin ox web site, www.
Appendices 79 UserAuthentication Failure A user failed to authenticate with the CCM appliance. V ariable: username FactoryDefaultsSet The CCM appliance has received a command to set itself to factory default values. (The appliance sends this trap after rece iving the command, but before actually reverting to fact ory default values.
80 CCM4850 Installer/User Guide Appendix D: Port s Used Table D.1 lists the UDP and TCP port numbers us ed by the CCM appliance. The values assume a default configuration ; some values are configurable. T able D.1: Ports Used by CCM Appliance Port T ype and Number Used for TCP 22 SSH2, if enabled.
Appendices 81 Appendix E: T echnical Support Our Technical Support staff is ready to assist yo u wit h any installation or operating problems you encounter with your Equinox product. If an issue should devel op, follow the steps below for the fastest possible service: 1.
82 CCM4850 Installer/User Guide.
83 A Access rights and levels about 21 changing 22 configuring 22 displaying 22 Adaptors for use with CAT 5 and CAT 6 cable 73 reversin g 75 Authentication configuring 24 , 53 displaying configuration.
84 CCM4850 Installer/User Guide Show Server SNMP 63 Show User 63 summary 36 syntax 34 User Add 65 User command summary 65 User Delete 66 User Logout 67 User Set 67 User Unlock 68 Configuration IP addr.
Index 85 IP address changing 54 configuring 7 displaying 60 L Line editing operations ASCII TTY devices 34 VT100 compatibl e devices 33 Lock-out. See Security lock-out Login 9 Logout 45 , 67 M Modem.
86 CCM4850 Installer/User Guide Server SNMP Trap Destination comm and 57 Server SSH command 57 Session ending 19 , 45 , 48 , 67 preemption 20 time-out 20 , 45 , 49 , 61 Show command summary 58 Show Po.
LIMITED WARR ANTY Equinox warrants t hat the Product(s ) shall be free from manufact uring defec ts in materials and workmanship for a period of ve ( 5) y ears from t he da t e of deliv ery provided t hat t he Product was properly installed and used.
Installer/User Guide CCM4850 590-3 73-00 1B For T echnical Support: Equinox Systems One Equinox W ay Sunrise, Florida 3335 1 USA Tel: 954.7 46.9000 Email: support@equinox.
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 Avocent Equinox Console Manager CCM4850 CCM4850 CCM4850 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 Avocent Equinox Console Manager CCM4850 CCM4850 CCM4850 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Avocent Equinox Console Manager CCM4850 CCM4850 CCM4850 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Avocent Equinox Console Manager CCM4850 CCM4850 CCM4850 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Avocent Equinox Console Manager CCM4850 CCM4850 CCM4850, 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 Avocent Equinox Console Manager CCM4850 CCM4850 CCM4850.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Avocent Equinox Console Manager CCM4850 CCM4850 CCM4850. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Avocent Equinox Console Manager CCM4850 CCM4850 CCM4850 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.
