Manuale d’uso / di manutenzione del prodotto 9820 del fabbricante Paradyne
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FrameSaver SL V MODELS 9820, 9820-2M, 9820-8M, and 9820-45M USER’S GUIDE Document No. 9820-A2-GB20-20 June 2000.
A 9820-A2-GB20-20 June 2000 Copyright E 2000 Paradyne Corporation. All rights reserved. Printed in U.S.A. Notice This publication is protected by federal copyright law .
i 9820-A2-GB20-20 June 2000 Contents About This Guide H Purpose and Intended Audience ix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H Document Organization ix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Contents ii 9820-A2-GB20-20 June 2000 4 Configuration Options H Configuring Using the Easy Install Screen (Model 9820-45M) 4-3 . . . . . . . . . H Entering System Information and Setting the System Clock 4-4 . . . . . . . . . . . H Setting Up for T rap Dial-Out (Models 9820, 9820-2M, 9820-8M) 4-5 .
Contents iii 9820-A2-GB20-20 June 2000 5 Security and Logins H Limiting Access 5-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H Controlling Asynchronous T erminal Access 5-3 . . . . . . . . . . . .
Contents iv 9820-A2-GB20-20 June 2000 7 FTP Operation H FTP File T ransfer 7-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Upgrading System Software 7-4 . . . . . . . . . . . . . . . . . . . . . . . . .
Contents v 9820-A2-GB20-20 June 2000 10 Setting Up NetScout Manager Plus for FrameSaver Devices H Getting Started 10-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H Configuring NetScout Manager Plus 10-3 .
Contents vi 9820-A2-GB20-20 June 2000 A Menu Hierar chy H Menus A-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B SNMP MIBs and T raps, and RMON Alarm Defaults H MIB Support B-2 . .
Contents vii 9820-A2-GB20-20 June 2000 C Connectors, Cables, and Pin Assignments H Rear Panels C-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H COM (T erminal) Port Connector C-3 . . . . . .
Contents viii 9820-A2-GB20-20 June 2000.
ix 9820-A2-GB20-20 June 2000 About This Guide Purpose and Intended Audience This document contains information needed to properly set up, configure, and verify operation of FrameSaver SL V in-line monitors. It is intended for system designers, engineers, administrators, and operators.
About This Guide x 9820-A2-GB20-20 June 2000 Section Description Chapter 9 Setting Up OpenLane for FrameSaver Devices. Identifies where installation and setup information is located and how FrameSaver units are supported. Chapter 10 Setting Up NetScout Manager Plus for FrameSaver Devices.
About This Guide xi 9820-A2-GB20-20 June 2000 Pr oduct-Related Documents Document Number Document Title Paradyne FrameSaver Documentation: 9820-A2-GL10 FrameSaver SL V , Models 9820, 9820-2M, 9820-8M,.
About This Guide xii 9820-A2-GB20-20 June 2000 Conventions Used Convention Used When Used Italic T o indicate variable information (e.g., DLCI nnnn ) . Menu selection sequence T o provide an abbreviated method for indicating the selections to be made from a menu or selections from within a menu before performing a procedural step.
1-1 9820-A2-GB20-20 June 2000 About FrameSaver SL V In-Line Monitors 1 This chapter includes the following: H SLM Overview H FrameSaver SL V In-Line Monitor Features SLM Overview The Service Level Man.
About FrameSaver SL V In-Line Monitors 1-2 9820-A2-GB20-20 June 2000 The following illustration shows a network that includes FrameSaver units at the central site and remote sites. User data PVCs provide LAN-to-LAN connectivity between the central site and the remote sites.
About FrameSaver SL V In-Line Monitors 1-3 9820-A2-GB20-20 June 2000 FrameSaver SL V In-Line Monitor Featur es The FrameSaver SL V in-line monitor provides the following features: H Intelligent Service Level V erification.
About FrameSaver SL V In-Line Monitors 1-4 9820-A2-GB20-20 June 2000 H RMON-Based User History Statistics Gathering. Provides everything needed to monitor network service levels, plus throughput with accurate data delivery , network latency , and LMI and PVC availability .
About FrameSaver SL V In-Line Monitors 1-5 9820-A2-GB20-20 June 2000 H A TM VPI/VCI and DLCI Correlation. For networks with both A TM and frame relay-access endpoints, allows the FrameSaver unit to re.
About FrameSaver SL V In-Line Monitors 1-6 9820-A2-GB20-20 June 2000 H NetScout Manager Plus and NetScout Probe Support. Provides complete LAN and W AN traffic analysis and monitoring functions for FrameSaver SL V devices.
2-1 9820-A2-GB20-20 June 2000 User Interface and Basic Operation 2 This chapter tells you how to access, use, and navigate the menu-driven user interface.
User Interface and Basic Operation 2-2 9820-A2-GB20-20 June 2000 Logging On Start a session using one of the following methods: H T elnet session via: — An in-band management channel through the frame relay network. — A local in-band management channel configured on the DTE port between the FrameSaver unit and the router .
User Interface and Basic Operation 2-3 9820-A2-GB20-20 June 2000 If your login was . . . Then the . . . V alid Main Menu appears. Begin your session. Invalid Message, Invalid Password , appears on line 24, and the Login screen is redisplayed. After three unsuccessful attempts: – A T elnet session is closed.
User Interface and Basic Operation 2-4 9820-A2-GB20-20 June 2000 Main Menu Entry to all of the FrameSaver unit’s tasks begins at the Main Menu, which has five menus or branches. The Access Level at the top of the screen only appears when security has been set up.
User Interface and Basic Operation 2-5 9820-A2-GB20-20 June 2000 Scr een W ork Ar eas There are two user work areas: H Screen area – Where you input information into fields. H Function keys area – Where you perform specific screen functions. Below is a sample configuration screen showing a 2 Mbps unit.
User Interface and Basic Operation 2-6 9820-A2-GB20-20 June 2000 Navigating the Scr eens Y ou can navigate the screens by: H Using keyboard keys. H Switching between the two screen work areas using function keys. Keyboard Keys Use the following keyboard keys to navigate within the screen area: Press .
User Interface and Basic Operation 2-7 9820-A2-GB20-20 June 2000 Function Keys All function keys (located in the lower part of the screen) operate the same way throughout the screens. They are not case-sensitive, so upper- or lowercase letters can be used interchangeably .
User Interface and Basic Operation 2-8 9820-A2-GB20-20 June 2000 Selecting from a Menu " Procedur e T o select from a menu: 1. T ab or press the down arrow key to position the cursor on a menu selection, or press the up arrow key to move the cursor to the bottom of the menu list.
User Interface and Basic Operation 2-9 9820-A2-GB20-20 June 2000 Selecting a Field Once you reach the desired menu or screen, select a field to view or change, or issue a command. Press the T ab or right arrow key to move the cursor from one field to another .
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3-1 9820-A2-GB20-20 June 2000 Configuration Procedur es 3 This chapter includes the following: H Basic Configuration — Configuration Option Areas — Accessing and Displaying Configuration Options .
Configuration Procedures 3-2 9820-A2-GB20-20 June 2000 Basic Configuration Configuration option settings determine how the FrameSaver unit operates. Use the FrameSaver unit’s Configuration Edit/Display menu to display or change configuration option settings.
Configuration Procedures 3-3 9820-A2-GB20-20 June 2000 Configuration Option Areas The FrameSaver unit arrives with configured factory default settings, which are located in the Factory Default Configuration option area.
Configuration Procedures 3-4 9820-A2-GB20-20 June 2000 Accessing and Displaying Configuration Options T o access and display configuration options, load (copy) the applicable configuration option set into the edit area. " Procedur e T o load a set of configuration options for editing: 1.
Configuration Procedures 3-5 9820-A2-GB20-20 June 2000 Changing Configuration Options " Procedur e T o change configuration option settings: 1. From the Configuration Edit/Display menu, select a set of configuration options and press Enter . For example: Configuration → PVC Connections 2.
Configuration Procedures 3-6 9820-A2-GB20-20 June 2000 Saving Configuration Options When changes to the configuration options are complete, use the S ave function key to save your changes to either the Current, Customer 1, or Customer 2 configuration areas.
4-1 9820-A2-GB20-20 June 2000 Configuration Options 4 This chapter includes the following: H Configuring Using the Easy Install Screen (Model 9820-45M) H Entering System Information and Setting the Sy.
Configuration Options 4-2 9820-A2-GB20-20 June 2000 H Configuring Frame Relay for an Interface H Manually Configuring DLCI Records H Configuring PVC Connections H Setting Up Management and Communicati.
Configuration Options 4-3 9820-A2-GB20-20 June 2000 Configuring Using the Easy Install Scr een (Model 9820-45M) The Easy Install screen provides direct access to the configuration options required to establish communication and prepare for Auto-Configuration.
Configuration Options 4-4 9820-A2-GB20-20 June 2000 T able 4-1. Easy Install Configuration Options (2 of 2) Ethernet Port Options Screen With the cursor on the Ethernet Port Options Screen field, press Enter . The Ethernet Port Options screen appears.
Configuration Options 4-5 9820-A2-GB20-20 June 2000 Setting Up for T rap Dial-Out (Models 9820, 9820-2M, 9820-8M) An external modem can be attached to the COM port for dialing out when an SNMP trap is generated. T o set up an external modem, you need to: 1.
Configuration Options 4-6 9820-A2-GB20-20 June 2000 Setting Up Auto-Configuration The auto-configuration feature allows you to select a method of automatic configuration and connection of DLCIs within the FrameSaver unit, as well as to automatically remove DLCIs and connections that are no longer supported by the network service provider .
Configuration Options 4-7 9820-A2-GB20-20 June 2000 Selecting a Frame Relay Discovery Mode When a Frame Relay Discovery Mode is active, the FrameSaver unit “discovers” network DLCIs from the network LMI status response message. It configures a network DLCI, a user data port DLCI, and automatically connects them to create a PVC.
Configuration Options 4-8 9820-A2-GB20-20 June 2000 NOTE: If 1MPort (the default) is not the setting required for your application, change the Frame Relay Discovery Mode before connecting the network cable or editing discovered option settings. Otherwise, the FrameSaver unit will start “discovering” DLCIs as soon as it powers up.
Configuration Options 4-9 9820-A2-GB20-20 June 2000 When a Frame Relay Discovery Mode is changed and saved, the Saving will cause Auto-Configuration to update and Restart. Are you sure? prompt appears. N o is the default for this prompt. H If Y es (y) is entered, the Delete All DLCIs and PVC Connections? prompt appears.
Configuration Options 4-10 9820-A2-GB20-20 June 2000 Setting Up Management FrameSaver units are already set up for SNMP management, with Community Name 1 set to Public and Name 1 Access set to Read/Write. For remote sites, other than the IP Address, this is all that is required.
Configuration Options 4-1 1 9820-A2-GB20-20 June 2000 Setting Up So the Router Can Receive RIP Using the system’s standard Routing Information Protocol (RIP) feature, routing information is passed to the router over the management PVC, so the router can learn routes to FrameSaver SL V devices.
Configuration Options 4-12 9820-A2-GB20-20 June 2000 5. Select the Delete EDLCI Connections and Make a Mgmt Only PVC option. PVC connections for the selected DLCI are broken, the Port-1 DLCI mapped to.
Configuration Options 4-13 9820-A2-GB20-20 June 2000 Configuration Option T ables Configuration option descriptions contained in this chapter are in menu order , even though this may not be the order in which you access them when configuring the unit.
Configuration Options 4-14 9820-A2-GB20-20 June 2000 Configuring Frame Relay and LMI for the System Select Frame Relay and LMI from the System menu to display or change the Frame Relay and LMI options for the entire system (see T able 4-2).
Configuration Options 4-15 9820-A2-GB20-20 June 2000 T able 4-2. System Frame Relay and LMI Options (2 of 2) LMI Error Event (N2) Possible Settings: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 Default Setting: 3 Configures the LMI-defined N2 parameter , which sets the number of errors that can occur on the LMI link before an error is reported.
Configuration Options 4-16 9820-A2-GB20-20 June 2000 Configuring Service Level V erification Options SL V options are selected from the System menu (see T able 4-3).
Configuration Options 4-17 9820-A2-GB20-20 June 2000 T able 4-3. Service Level V erification Options (2 of 2) SL V T imeout Clearing Event Threshold Available Settings: 1, 2, 3, 4 . . . 20 Default Setting: 1 Specifies the number of consecutive SL V messages that must be received before the DLCI Inactive status is cleared.
Configuration Options 4-18 9820-A2-GB20-20 June 2000 Configuring General System Options Select General from the System menu to configure the general system configuration options (see T able 4-4). Main Menu → Configuration → System → General T able 4-4.
Configuration Options 4-19 9820-A2-GB20-20 June 2000 Configuring the Physical Interfaces Characteristics for the following physical interfaces can be configured: H Network Data Port Physical Interface.
Configuration Options 4-20 9820-A2-GB20-20 June 2000 T able 4-5. Network Data Port Physical Interface Options (2 of 2) Monitor DSR Possible Settings: Enable, Disable Default Setting: Enable Specifies .
Configuration Options 4-21 9820-A2-GB20-20 June 2000 Configuring the User Data Port Select Physical to display or change the physical characteristics of the user data port connected to the DTE (see T able 4-6).
Configuration Options 4-22 9820-A2-GB20-20 June 2000 T able 4-6. User Data Port Physical Interface Options (2 of 2) Invert T ransmit Clock Possible Settings: Auto, Enable, Disable Default Setting: Aut.
Configuration Options 4-23 9820-A2-GB20-20 June 2000 Configuring Frame Relay for an Interface Select Frame Relay from the interface’s menu to display or change the Frame Relay options for an individual interface (se e T able 4-7).
Configuration Options 4-24 9820-A2-GB20-20 June 2000 T able 4-7. Interface Frame Relay Options (2 of 3) LMI Parameters Possible Settings: System , Custom Default Setting: System Allows you to use the system LMI options, or to set specific LMI options for this interface.
Configuration Options 4-25 9820-A2-GB20-20 June 2000 T able 4-7. Interface Frame Relay Options (3 of 3) LMI Heartbeat (T1) Possible Settings: 5, 10, 15, 20, 25, 30 Default Setting: 10 Configures the LMI-defined T1 parameter , which sets the number of seconds between the initiation of status enquiry messages on the user side of the LMI.
Configuration Options 4-26 9820-A2-GB20-20 June 2000 Manually Configuring DLCI Records The Auto-Configuration feature automatically configures DLCI Records and their PVC Connections.
Configuration Options 4-27 9820-A2-GB20-20 June 2000 T able 4-8. DLCI Record Options (2 of 3) CIR (bps) Possible Settings: For FrameSaver SL V 9820: 0 – 128000 For FrameSaver SL V 9820-2M: 0 – 204.
Configuration Options 4-28 9820-A2-GB20-20 June 2000 T able 4-8. DLCI Record Options (3 of 3) Excess Burst Size (Bits) Specifies the maximum amount of data in bits that the network may accept beyond the CIR without discarding frames.
Configuration Options 4-29 9820-A2-GB20-20 June 2000 Configuring PVC Connections The Auto-Configuration feature automatically configures PVC Connections and their DLCI Records.
Configuration Options 4-30 9820-A2-GB20-20 June 2000 T able 4-9. PVC Connection Options (2 of 3) Primary Destination Link Possible Settings: Net1-FR1 Default Setting: Initially blank; no default. Specifies the frame relay interface used as the primary destination link; the to end of a from-to link.
Configuration Options 4-31 9820-A2-GB20-20 June 2000 T able 4-9. PVC Connection Options (3 of 3) AlternateDestination DLCI Possible Settings: 16 – 1007 Default Setting: Initially blank; no default. Specifies the alternate destination DLCI for a frame relay interface.
Configuration Options 4-32 9820-A2-GB20-20 June 2000 Setting Up Management and Communication Options The following options can be selected from the Management and Communication menu: H Node IP Options.
Configuration Options 4-33 9820-A2-GB20-20 June 2000 T able 4-10. Node IP Options (1 of 3) Node IP Address Possible Settings: 001.000.000.000 – 223.255.255.255, Clear Default Setting: Clear (000.000.000.000) Specifies the IP address needed to access the node.
Configuration Options 4-34 9820-A2-GB20-20 June 2000 T able 4-10. Node IP Options (2 of 3) Default IP Destination Possible Settings (Models 9820, 9820-2M, 9820-8M): None, COM, PVCname Possible Setting.
Configuration Options 4-35 9820-A2-GB20-20 June 2000 T able 4-10. Node IP Options (3 of 3) TS Management Link Available Settings: None, PVCname Default Setting: None Specifies a troubleshooting management link for the special needs of network service providers.
Configuration Options 4-36 9820-A2-GB20-20 June 2000 Configuring Management PVCs Select Management PVCs to define inband management links by adding or changing Management PVCs (see T able 4-1 1). First, DLCI records must have been configured for the interface where the Management PVC will reside.
Configuration Options 4-37 9820-A2-GB20-20 June 2000 T able 4-1 1. Management PVC Options (2 of 4) Intf Subnet Mask Possible Settings: Node-Subnet-Mask, Calculate, Special ( nnn .
Configuration Options 4-38 9820-A2-GB20-20 June 2000 T able 4-1 1. Management PVC Options (3 of 4) Primary DLCI Possible Settings: 16 – 1007 Default Setting: Initially blank; no default. Specifies the DLCI number used for the management PVC after the frame relay interface is selected.
Configuration Options 4-39 9820-A2-GB20-20 June 2000 T able 4-1 1. Management PVC Options (4 of 4) Alternate Link Possible Settings: Net1-FR1 Default Setting: Initially blank; no default. Specifies the alternate frame relay interface to use for this management PVC if the primary link has failed.
Configuration Options 4-40 9820-A2-GB20-20 June 2000 Configuring General SNMP Management Select General SNMP Management to add, change, or delete the information needed to allow the FrameSaver unit to be managed as an SNMP agent by the NMS supporting the SNMP protocols (see T able 4-12).
Configuration Options 4-41 9820-A2-GB20-20 June 2000 Configuring T elnet and/or FTP Session Support T elnet and FTP options control whether a T elnet or FTP (File T ransport Protocol) session is allowed through an interconnected IP network and the access security applicable to the session.
Configuration Options 4-42 9820-A2-GB20-20 June 2000 T able 4-13. T elnet and FTP Session Options (2 of 3) Session Access Level Possible Settings: Level-1, Level-2, Level-3 Default Setting: Level-1 Specifies the highest security level allowed when accessing the menu-driven user interface via a T elnet session.
Configuration Options 4-43 9820-A2-GB20-20 June 2000 T able 4-13. T elnet and FTP Session Options (3 of 3) FTP Session Possible Settings: Enable, Disable Default Setting: Enable Determines whether the system responds as a server when an FTP (file transfer protocol) client on an interconnected IP network requests an FTP session.
Configuration Options 4-44 9820-A2-GB20-20 June 2000 Configuring SNMP NMS Security Select SNMP NMS Security from the Management and Communication menu to display , add, or change SNMP security configuration options for the FrameSaver unit to set up trap managers (see T able 4-14 ).
Configuration Options 4-45 9820-A2-GB20-20 June 2000 Configuring SNMP T raps and T rap Dial-Out Select SNMP T raps from the Management and Communication menu to configure SNMP traps and dial-out when a trap is generated (see T able 4-15). Dial-out is not available on the Model 9820-45M.
Configuration Options 4-46 9820-A2-GB20-20 June 2000 T able 4-15. SNMP T raps and T rap Dial-Out Options (2 of 5) Initial Route Destination Possible Settings: AutoRoute, COM, PVCname Default Setting: AutoRoute Specifies the initial route used to reach the specified T rap Manager .
Configuration Options 4-47 9820-A2-GB20-20 June 2000 T able 4-15. SNMP T raps and T rap Dial-Out Options (3 of 5) Link T raps Possible Settings: Disable, Up, Down, Both Default Setting: Both Determines whether SNMP linkDown or linkUp traps are sent to the currently configured trap manager(s).
Configuration Options 4-48 9820-A2-GB20-20 June 2000 T able 4-15. SNMP T raps and T rap Dial-Out Options (4 of 5) T rap Dial-Out Possible Settings: Enable, Disable Default Setting: Disable Controls whether SNMP trap messages initiate a call automatically .
Configuration Options 4-49 9820-A2-GB20-20 June 2000 T able 4-15. SNMP T raps and T rap Dial-Out Options (5 of 5) Alternate Dial-Out Directory Possible Settings: None, 1 – 5 Default Setting: None Specifies whether an incomplete call (busy , or no answer , etc.
Configuration Options 4-50 9820-A2-GB20-20 June 2000 Configuring the Ethernet Port (Model 9820-45M) Select Ethernet Port from the Management and Communication menu to display or change the Ethernet port configuration options (see T able 4-16).
Configuration Options 4-51 9820-A2-GB20-20 June 2000 T able 4-16. Ethernet Port Options (2 of 2) Default Gateway Address Possible Settings: 000.000.000.000 – 223.255.255.255, Clear Default Setting: Clear (000.000.000.000) Specifies an address for packets sent out the Ethernet port that do not have a route.
Configuration Options 4-52 9820-A2-GB20-20 June 2000 Configuring the Communication Port Select Communication Port from the Management and Communication menu to display or change the COM port (T erminal port on the Model 9820-45M) configuration options (see T able 4-17).
Configuration Options 4-53 9820-A2-GB20-20 June 2000 T able 4-17. Communication Port Options (2 of 5) Parity Possible Settings: None, Even, Odd Default Setting: None Provides a method of checking the accuracy of binary numbers for the COM (T erminal) port.
Configuration Options 4-54 9820-A2-GB20-20 June 2000 T able 4-17. Communication Port Options (3 of 5) Port Access Level Possible Settings: Level-1, Level-2, Level-3 Default Setting: Level-1 Specifies level of user access privilege for an asynchronous terminal connected to the COM (T erminal) port.
Configuration Options 4-55 9820-A2-GB20-20 June 2000 T able 4-17. Communication Port Options (4 of 5) IP Address Possible Settings: 001.000.000.000 – 223.255.255.255, Clear Default Setting: Clear (000.000.000.000) Specifies a unique IP address for accessing the unit via the COM (T erminal) port.
Configuration Options 4-56 9820-A2-GB20-20 June 2000 T able 4-17. Communication Port Options (5 of 5) RIP Possible Settings: None, Proprietary , Standard_out Default Setting: None Specifies which Routing Information Protocol (RIP) is used to enable routing of management data between devices.
Configuration Options 4-57 9820-A2-GB20-20 June 2000 Configuring the COM Port to Support an External Modem (Models 9820, 9820-2M, 9820-8M) For all models except Model 9820-45M, select External Modem (.
Configuration Options 4-58 9820-A2-GB20-20 June 2000 T able 4-18. External Modem (COM Port) Options (2 of 2) Alternate IP Address Possible Settings: 001.000.000.000 – 223.255.255.255, Clear Default Setting: Clear (000.000.000.000) Specifies the Alternate IP Address for the COM port when the alternate phone directory is used.
Configuration Options 4-59 9820-A2-GB20-20 June 2000 Configuring the Modem Port (Model 9820-45M) Select Modem Port from the Management and Communication menu to display or change the Modem port configuration options (see T able 4-19). Main Menu → Configuration → Management and Communication → Modem Port T able 4-19.
Configuration Options 4-60 9820-A2-GB20-20 June 2000 T able 4-19. Modem Port Options (2 of 3) Port Access Level Possible Settings: Level-1, Level-2, Level-3 Default Setting: Level-1 Specifies level of user access privilege for the asynchronous terminal interface accessed through the Modem port.
Configuration Options 4-61 9820-A2-GB20-20 June 2000 T able 4-19. Modem Port Options (3 of 3) IP Address Possible Settings: 000.000.000.000 – 223.255.255.255, Clear Default Setting: Clear (000.000.000.000) Specifies a unique IP address for accessing the unit via the Modem port.
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5-1 9820-A2-GB20-20 June 2000 Security and Logins 5 This chapter includes the following: H Limiting Access H Controlling Asynchronous T erminal Access H Controlling External COM Port Device Access (Mo.
Security and Logins 5-2 9820-A2-GB20-20 June 2000 Limiting Access The FrameSaver unit provides access security on the following interfaces: H Asynchronous (async) terminal H External devices H T elnet.
Security and Logins 5-3 9820-A2-GB20-20 June 2000 Contr olling Asynchronous T erminal Access Asynchronous terminal access to the menu-driven user interface can be limited by: H Requiring a login. H Assigning an access level to the port or interface. " Procedur e T o limit asynchronous terminal access to the menu-driven user interface: 1.
Security and Logins 5-4 9820-A2-GB20-20 June 2000 Contr olling External COM Port Device Access (Models 9820, 9820-2M, 9820-8M) Dial-in access can be controlled on Models 9820, 9820-2M, and 9820-8M when an external device (modem) is connected to the unit’s communication (COM) port.
Security and Logins 5-5 9820-A2-GB20-20 June 2000 Contr olling T elnet or FTP Access The FrameSaver unit provides several methods for limiting access via a T elnet or FTP session. T elnet or FTP access can be on a standard management link or on a service provider ’s troubleshooting (TS) management link.
Security and Logins 5-6 9820-A2-GB20-20 June 2000 Limiting FTP Access FTP access can be limited by: H Disabling FTP access completely . H Requiring a user ID and password to login. H Limiting FTP bandwidth. (Models 9820, 9820-2M, 9820-8M.) " Procedur e T o limit FTP access when the session is not on the TS Management Link: 1.
Security and Logins 5-7 9820-A2-GB20-20 June 2000 Limiting T elnet or FTP Access Over the TS Management Link " Procedur e T o limit T elnet or FTP access when the session is on the TS Management Link: 1. Select the T elnet and FTP Session options.
Security and Logins 5-8 9820-A2-GB20-20 June 2000 Contr olling SNMP Access The FrameSaver unit supports SNMP V ersion 1, which provides limited security through the use of community names. There are three methods for limiting SNMP access: H Disabling SNMP access.
Security and Logins 5-9 9820-A2-GB20-20 June 2000 Assigning SNMP Community Names and Access Levels The FrameSaver unit supports the SNMP protocol and can be managed by an SNMP manager . SNMP manager access can be limited by: H Assigning the SNMP community names that are allowed to access the FrameSaver unit’s Management Information Base (MIB).
Security and Logins 5-10 9820-A2-GB20-20 June 2000 Limiting SNMP Access Through IP Addr esses An additional level of security is provided by: H Limiting the IP addresses of NMSs that can access the FrameSaver unit. H Performing validation checks on the IP address of SNMP management systems attempting to access the FrameSaver unit.
Security and Logins 5-1 1 9820-A2-GB20-20 June 2000 See Configuring SNMP NMS Security Options in Chapter 4 , Configuration Options, for more information about SNMP NMS Security configuration options. Cr eating a Login A login is required if security is enabled.
Security and Logins 5-12 9820-A2-GB20-20 June 2000 See Configuring SNMP NMS Security in Chapter 4 , Configuration Options, for more information about security configuration options. Modifying a Login Logins are modified by deleting the incorrect login and creating a new one.
6-1 9820-A2-GB20-20 June 2000 Monitoring 6 This chapter includes the following: H Displaying System Information H Front Panel LEDs — Front Panel Status LEDs H Displaying LEDs and Control Leads — D.
Monitoring 6-2 9820-A2-GB20-20 June 2000 Displaying System Information Use the Identity screen to view identification information about the FrameSaver unit. This information is useful if you are purchasing additional or replacement units and/or making firmware upgrades.
Monitoring 6-3 9820-A2-GB20-20 June 2000 Fr ont Panel LEDs The FrameSaver SL V 9820 unit’ s faceplate includes LEDs ( light-emitting diodes) that provide status on the FrameSaver unit, its network data port, and its user data port. 00-16201a-01 OK ALM TST OK OK 9820-2M NETWORK POR T F r ameSa ver TM SL V F r ameSa ver ® SL V Figure 6-1.
Monitoring 6-4 9820-A2-GB20-20 June 2000 Front Panel Status LEDs T able 6-1. System Status LEDs Label Indication Color What It Means OK Power and Operational Status Green ON – FrameSaver unit has power and it is operational. OFF – FrameSaver unit is in a power-on self-test, or there is a failure.
Monitoring 6-5 9820-A2-GB20-20 June 2000 T able 6-2. NETWORK Status LEDs Label Indication Color What It Means OK Operational Status Green (Models 9820, 9820-2M, 9820-8M) ON – The interchange circuits for the port are in the correct state to transmit and receive data.
Monitoring 6-6 9820-A2-GB20-20 June 2000 Displaying LEDs and Contr ol Leads The Display LEDs and Control Leads screen allows you to monitor a remote unit and is useful when troubleshooting control lead problems. The appropriate interfaces are shown on this screen, with the appropriate status highlighted.
Monitoring 6-7 9820-A2-GB20-20 June 2000 T able 6-5. Network and User Data Port LEDs and Control Leads Label Indication What It Means Both Network and User Data Ports OK Operational Status The data port is operational. TXD T ransmit Data Data is being sent to the far-end device on the data port.
Monitoring 6-8 9820-A2-GB20-20 June 2000 Display LEDs and Control Leads Scr een (Model 9820-45M) Display LEDs & Control Leads Screen (Model 9820-45M) main/status/leds 9820-45M Device Name: Node A .
Monitoring 6-9 9820-A2-GB20-20 June 2000 T able 6-7. Network and User Data Port Control Leads Label Indication What It Means Both Network and User Data Ports TD T ransmit Data Data is being transmitted on the circuit. RD Receive Data Data is being received on the circuit.
Monitoring 6-10 9820-A2-GB20-20 June 2000 Power Module LEDs (Model 9820-45M) Each power module has a green LED which remains lit while power is applied and the power module is functioning. When the yellow front panel System PWR LED is lit, one of the power modules has failed.
Monitoring 6-1 1 9820-A2-GB20-20 June 2000 Device Messages These messages appear in the messages area at the bottom of the screens. All device messages are listed in alphabetical order . T able 6-9. Device Messages (1 of 5) Message What It Indicates What T o Do Access level is n , Configuration is Read-only .
Monitoring 6-12 9820-A2-GB20-20 June 2000 T able 6-9. Device Messages (2 of 5) Message What T o Do What It Indicates File T ransfer Failed – Invalid file (Seen at an FTP terminal.) A file transfer was attempted, but it was not successful. H T ry again, making sure you type the filename correctly .
Monitoring 6-13 9820-A2-GB20-20 June 2000 T able 6-9. Device Messages (3 of 5) Message What T o Do What It Indicates Limit of PVC Connections reached N ew was selected from the PVC Connection T able and the maximum number of PVCs has already been created.
Monitoring 6-14 9820-A2-GB20-20 June 2000 T able 6-9. Device Messages (4 of 5) Message What T o Do What It Indicates Not enough circuits available A new TS Access DLCI was selected, but the maximum number of network DLCIs or management PVCs has already been created.
Monitoring 6-15 9820-A2-GB20-20 June 2000 T able 6-9. Device Messages (5 of 5) Message What T o Do What It Indicates T est Active No higher priority health and status messages exist, and a test is running. H Contact service provider if test initiated by the network.
Monitoring 6-16 9820-A2-GB20-20 June 2000 Status Information Status information is useful when monitoring the FrameSaver unit. The following illustration shows the Status menu for the FrameSaver unit.
Monitoring 6-17 9820-A2-GB20-20 June 2000 System and T est Status Messages System and test status information is selected from the Status menu. Main Menu → Status → System and T est Status The fol.
Monitoring 6-18 9820-A2-GB20-20 June 2000 Health and Status Messages The following table provides Health and Status messages that apply to the FrameSaver unit.
Monitoring 6-19 9820-A2-GB20-20 June 2000 T able 6-1 1. Health and Status Messages (2 of 2) Message What It Indicates Ethernet Link Down (Model 9820-45M) The Ethernet port is administratively enabled, but communication is not possible. Fan Failure (Model 9820-45M) At least one fan has failed.
Monitoring 6-20 9820-A2-GB20-20 June 2000 T est Status Messages These test messages appear in the right column of the System and T est Status screen. Y ou have the option of allowing the test to continue or aborting the test. See Chapter 8, T roubleshooting , for more information on tests, including how to start and stop them.
Monitoring 6-21 9820-A2-GB20-20 June 2000 Network LMI-Reported DLCIs Status Network LMI-reported DLCI statuses are selected from the Status menu. Main Menu → Status → LMI Reported DLCIs The LMI Reported DLCIs screen displays the status and CIR (if supported by the switch) for each DLCI, whether the DLCI is configured or not.
Monitoring 6-22 9820-A2-GB20-20 June 2000 T able 6-13. Network LMI-Reported DLCIs Status Field Status What It Indicates DLCI 16 through 1007 Identifies the Local Management Interface-reported DLCI numbers assigned to the selected interface – the identifying number assigned to the path between two frame relay FrameSaver units’ ports.
Monitoring 6-23 9820-A2-GB20-20 June 2000 PVC Connection Status PVC connection statuses are selected from the Status menu. Main Menu → Status → PVC Connection Status Only PVC connections with Source DLCIs configured to be Active are shown.
Monitoring 6-24 9820-A2-GB20-20 June 2000 T able 6-14. PVC Connection Status (2 of 2) Field What It Indicates Status DLCI 16 to 1007 For standard DLCIs. Identifies an individual link/ connection embedded within a DLCI. EDLCI 0 to 62 For multiplexed DLCIs only .
Monitoring 6-25 9820-A2-GB20-20 June 2000 Network Interface Status Network Interface Status can be selected from the Status menu. Main Menu → Status → Network Interface Status Network Interface St.
Monitoring 6-26 9820-A2-GB20-20 June 2000 IP Routing T able (Model 9820-45M) The IP Routing T able display is selected from the Status menu. Main Menu → Status → IP Routing T able IP Routing T abl.
Monitoring 6-27 9820-A2-GB20-20 June 2000 T able 6-16. IP Routing T able (2 of 2) Field What It Indicates Interface The interface used to get to the destination: COM – The COM (T erminal) port is used. Modem – The Modem port is used. Ethernet – The Ethernet port is used.
Monitoring 6-28 9820-A2-GB20-20 June 2000 Performance Statistics Use the Performance Statistics menu to display statistical information for a selected interface. Statistical information is useful when trying to determine the severity and frequency or duration of a condition.
Monitoring 6-29 9820-A2-GB20-20 June 2000 Clearing Performance Statistics Performance statistics counters can be reset to the baseline when using a directly connected asynchronous terminal and your security Access Level is Level-1. This feature is useful when troubleshooting problems.
Monitoring 6-30 9820-A2-GB20-20 June 2000 Service Level V erification Performance Statistics These statistics appear when Service Level V erification (SL V) is selected from the Performance Statistics menu.
Monitoring 6-31 9820-A2-GB20-20 June 2000 T able 6-17. Service Level V erification Performance Statistics (2 of 2) Statistic What It Indicates Inbound Dropped Characters T otal number of bytes transmitted by the far-end device that were dropped in transit.
Monitoring 6-32 9820-A2-GB20-20 June 2000 The statistics collected by the unit depend upon the device at the far end of the connection. If the far-end device is a FrameSaver SL V unit, frame relay , latency , Frame Relay Delivery Ratio (FDR), and Data Delivery Ratio (DDR) performance statistics are collected.
Monitoring 6-33 9820-A2-GB20-20 June 2000 T able 6-18. DLCI Performance Statistics (2 of 2) Statistic What It Indicates H With BECN Set H The number of frames and octets sent on the selected DLCI of the frame relay link with backward explicit congestion notifications.
Monitoring 6-34 9820-A2-GB20-20 June 2000 Frame Relay Performance Statistics The following statistics appear when Frame Relay is selected from the Performance Statistics menu. Main Menu → Status → Performance Statistics → Frame Relay All counts continue to increment until the maximum value is reached (2 32 –2), then the count starts over .
Monitoring 6-35 9820-A2-GB20-20 June 2000 T able 6-19. Frame Relay Performance Statistics (2 of 3) Statistic What It Indicates Frame Relay Errors (cont’d) Short Rx Frames The number of frames received over the Network or Port-1 interface that were less than 5-octets ( five 8-bit bytes) in length.
Monitoring 6-36 9820-A2-GB20-20 June 2000 T able 6-19. Frame Relay Performance Statistics (3 of 3) Statistic What It Indicates Frame Relay HDLC Errors Rx T otal Errors The number of receiver errors on the interface.
Monitoring 6-37 9820-A2-GB20-20 June 2000 Ethernet Performance Statistics (Model 9820-45M) The following statistics appear when Ethernet is selected from the Performance Statistics menu.
Monitoring 6-38 9820-A2-GB20-20 June 2000 T rap Event Log (Model 9820-45M) The T rap Event Log display is selected from the Status menu. Main Menu → Status → T rap Event Log T rap Event Log Screen.
7-1 9820-A2-GB20-20 June 2000 FTP Operation 7 This chapter includes the following: H FTP File T ransfer — Upgrading System Software — Determining Whether a Download is Completed — Changing Softw.
FTP Operation 7-2 9820-A2-GB20-20 June 2000 FTP File T ransfer The FrameSaver unit supports a standard File T ransfer Protocol (FTP) server over T ransmission Control Protocol (TCP). A complete binary image of the configuration files can be copied to a host to provide a backup.
FTP Operation 7-3 9820-A2-GB20-20 June 2000 " Procedur e T o initiate an FTP session: 1. Start the FTP client program on your host. For example, on a UNIX host, type ftp , followed by the FrameSaver unit’s IP address.
FTP Operation 7-4 9820-A2-GB20-20 June 2000 Upgrading System Software If you need to upgrade the FrameSaver unit’s program code, you must transfer the upgrade of the nam.
FTP Operation 7-5 9820-A2-GB20-20 June 2000 Determining Whether a Download Is Completed T o see whether a download has completed, check the Identity screen. Main Menu → Status → Identity Check Alternate Software Rev . under the NAM Identity column.
FTP Operation 7-6 9820-A2-GB20-20 June 2000 T ransferring Collected Data SL V user history statistics and LMI packet capture data can be uploaded to an NMS or a Network Associates Sniffer using FTP , which is faster than other methods.
8-1 9820-A2-GB20-20 June 2000 T roubleshooting 8 This chapter includes the following: H Problem Indicators H Resetting the Unit and Restoring Communication — Resetting the Unit from the Control Menu.
T roubleshooting 8-2 9820-A2-GB20-20 June 2000 H Physical T ests — DTE Loopback H IP Ping T est H Lamp T est Pr oblem Indicators The unit provides a number of indicators to alert you to possible problems: Indicators .
T roubleshooting 8-3 9820-A2-GB20-20 June 2000 Resetting the Unit and Restoring Communication Y ou can reset the unit in one of four ways: H Reset it from the Control menu. H Cycle the power . H Reset the configuration options for the COM (T erminal) port, or reload the factory default settings.
T roubleshooting 8-4 9820-A2-GB20-20 June 2000 Restoring Communication with an Improperly Configur ed Unit Configuring the unit improperly can render the menu-driven user interface inaccessible. If this occurs, connectivity to the unit can be restored via a directly connected asynchronous terminal.
T roubleshooting 8-5 9820-A2-GB20-20 June 2000 T roubleshooting Management Link Featur e A dedicated troubleshooting management link is available to help service providers isolate device problems within their networks.
T roubleshooting 8-6 9820-A2-GB20-20 June 2000 V iewing Captured Packets fr om the Menu-Driven User Interface The twelve most recent LMI events are stored in the trace log. Once the capture buffer or trace log is full, the oldest packets are overwritten.
T roubleshooting 8-7 9820-A2-GB20-20 June 2000 Alarms The following table describes the alarm conditions that will generate an SNMP trap for a physical interface, and the frame relay LMIs and DLCIs. These alarm conditions also generate Health and Status messages seen on the System and T est Status screen.
T roubleshooting 8-8 9820-A2-GB20-20 June 2000 T able 8-1. Alarm Conditions (2 of 4) Alarm Condition What T o Do What It Indicates DTR Down from Port-1 Device The DTR control lead on the device connected to Port -n is off. Examine the attached DTE and cable connected to the FrameSaver unit’s port.
T roubleshooting 8-9 9820-A2-GB20-20 June 2000 T able 8-1. Alarm Conditions (3 of 4) Alarm Condition What T o Do What It Indicates LMI Down, frame relay link 2 The Local Management Interface is down for the specified frame relay link.
T roubleshooting 8-10 9820-A2-GB20-20 June 2000 T able 8-1. Alarm Conditions (4 of 4) Alarm Condition What T o Do What It Indicates LOS at Network 1 A Loss of Signal (LOS) condition is detected. Either the control leads on the network data port are deasserted, the TM lead is asserted, or no clock is detected from the NTU.
T roubleshooting 8-1 1 9820-A2-GB20-20 June 2000 T roubleshooting T ables The unit is designed to provide many years of trouble-free service. However , if a problem occurs, refer to the appropriate table in the following sections for possible solutions.
T roubleshooting 8-12 9820-A2-GB20-20 June 2000 T able 8-2. Device Problems (2 of 2) Symptom Solutions Possible Cause Failure xxxxxxxx appears at the top of the System and T est Status screen, at Self-T est Results. The unit detects an internal software failure.
T roubleshooting 8-13 9820-A2-GB20-20 June 2000 Frame Relay PVC Problems T able 8-3. Frame Relay PVC Problems Symptom Possible Cause Solutions No receipt or transmission of data. Cross Connection of the DLCIs are configured incorrectly . V erify the PVC connections and DLCIs by checking the network-discovered DLCIs on the LMI Reported DLCIs screen.
T roubleshooting 8-14 9820-A2-GB20-20 June 2000 T ests A vailable The following tests are available to a FrameSaver SL V 9820 model. T est Menu Example main/test 9820-2M Device Name: Node A 5/13/2000 .
T roubleshooting 8-15 9820-A2-GB20-20 June 2000 Starting and Stopping a T est Use this procedure to start, monitor , or abort specific tests. T o abort all active tests on all interfaces, see Aborting All T ests . When the status of a test is . . . The only command available is .
T roubleshooting 8-16 9820-A2-GB20-20 June 2000 Aborting All T ests Use the Abort All T ests selection from the T est menu to abort all tests running on all interfaces, with exception to DTE-initiated loopbacks. T o abort individual tests that are active, see Starting and Stopping a T est .
T roubleshooting 8-17 9820-A2-GB20-20 June 2000 PVC T ests PVC tests can be run on a requested DLCI for a selected interface. H When PVC tests are on a multiplexed DLCI between FrameSaver devices, they are nondisruptive to data, so user data can continue to be sent during a test.
T roubleshooting 8-18 9820-A2-GB20-20 June 2000 Network or Port (Internal) PVC Loopback The PVC Loopback loops frames back to the selected interface on a per-PVC basis. This test logically (not physically) loops back frames received from another FrameSaver device through the selected frame relay PVC to the same device.
T roubleshooting 8-19 9820-A2-GB20-20 June 2000 Monitor Pattern This test monitors packets filled with a hexadecimal 55 test pattern and sequence number over the selected interface and DLCI to another FrameSaver device.
T roubleshooting 8-20 9820-A2-GB20-20 June 2000 Physical T ests Physical T ests can be commanded for the user data port. CAUTION: Y ou should not run these tests with frame relay equipment attached; you must disconnect the frame relay equipment and use external test equipment.
T roubleshooting 8-21 9820-A2-GB20-20 June 2000 IP Ping T est An IP Ping test can be run to test connectivity between the FrameSaver unit and any FrameSaver device, router , or NMS to which it has a route.
T roubleshooting 8-22 9820-A2-GB20-20 June 2000 " Procedur e 2 T o ping the NMS at the central site: 1. V erify that the central site NMS has the FrameSaver unit’ s IP address in its routing table so it can communicate with the FrameSaver unit.
9-1 9820-A2-GB20-20 June 2000 Setting Up OpenLane for FrameSaver Devices 9 This chapter includes: H OpenLane Support of FrameSaver Devices H Setting Up the OpenLane SLM System H Setting Up FrameSaver .
Setting Up OpenLane for FrameSaver Devices 9-2 9820-A2-GB20-20 June 2000 Setting Up the OpenLane SLM System Instructions for installing Paradyne’s OpenLane Service Level Management (SLM) System can be found in the following documents: H OpenLane 5.x Service Level Management for UNIX Quick Start Installation Instructions H OpenLane 5.
10-1 9820-A2-GB20-20 June 2000 Setting Up NetScout Manager Plus for FrameSaver Devices 10 This chapter includes NetScout Manager Plus information as it relates to FrameSaver SL V devices.
Setting Up NetScout Manager Plus for FrameSaver Devices 10-2 9820-A2-GB20-20 June 2000 Getting Started Before configuring NetScout Manager Plus, you need to copy some OpenLane directories to a NetScout Manager Plus user directory . OpenLane provides these directories as a starting point for loading new alarms and creating history files.
Setting Up NetScout Manager Plus for FrameSaver Devices 10-3 9820-A2-GB20-20 June 2000 Configuring NetScout Manager Plus For the NetScout Manager Plus main window to appear , make sure your environment is set up exactly as specified in your NetScout Readme file.
Setting Up NetScout Manager Plus for FrameSaver Devices 10-4 9820-A2-GB20-20 June 2000 Adding FrameSaver SL V Units to the NetScout Manager Plus Network " Procedur e 1. Bring up the NetScout Manager Plus main window . 2. Select the FrameRelay radio button from the agent type selection bar (on the left side of the window).
Setting Up NetScout Manager Plus for FrameSaver Devices 10-5 9820-A2-GB20-20 June 2000 V erifying Domains and Groups (Models 9820 and 9820-2M) " Procedur e 1. From the NetScout Manager Plus main window , with the FrameRelay and Admin radio buttons still selected, click on the Config Manager icon to open the Configuration Manager main window .
Setting Up NetScout Manager Plus for FrameSaver Devices 10-6 9820-A2-GB20-20 June 2000 Correcting Domains and Gr oups (Models 9820 and 9820-2M) Properties need to be edited when not using the Paradyne-provided file and when: H An unsupported domain needs to be deleted.
Setting Up NetScout Manager Plus for FrameSaver Devices 10-7 9820-A2-GB20-20 June 2000 3. T o add a FrameSaver SL V -supported domain or correct property settings, select the Edit... button (to the right of the Domain section of the Property Editor window).
Setting Up NetScout Manager Plus for FrameSaver Devices 10-8 9820-A2-GB20-20 June 2000 Adding SL V Alarms Using a T emplate Once DLCIs have been discovered, SL V alarms should be configured and assigned to each DLCI. OpenLane provides a template for configuring alarms.
Setting Up NetScout Manager Plus for FrameSaver Devices 10-9 9820-A2-GB20-20 June 2000 Editing Alarms " Procedur e 1. From the NetScout Manager Plus main window , with the FrameRelay and Admin radio buttons still selected, click on the Config Manager icon to open the Configuration Manager main window .
Setting Up NetScout Manager Plus for FrameSaver Devices 10-10 9820-A2-GB20-20 June 2000 4. Edit any trap defaults that may be required. See Step 4 of Adding SL V Alarms Manually for field settings you may want to change. 5. Select the OK button (at the bottom of the screen) to apply your changes.
Setting Up NetScout Manager Plus for FrameSaver Devices 10-1 1 9820-A2-GB20-20 June 2000 Adding SL V Alarms Manually Once DLCIs have been discovered, SL V alarms should be defined and assigned to each DLCI.
Setting Up NetScout Manager Plus for FrameSaver Devices 10-12 9820-A2-GB20-20 June 2000 4. Click on the ... button to the right of indicated fields for a drop-down list from which selections can be made. Minimally , configure the following fields: Field Select or Enter .
Setting Up NetScout Manager Plus for FrameSaver Devices 10-13 9820-A2-GB20-20 June 2000 Creating History Files Up to 14 additional user history tables can be created in the FrameSaver unit for each interface. An interface is a specific DLCI or the entire frame relay interface.
Setting Up NetScout Manager Plus for FrameSaver Devices 10-14 9820-A2-GB20-20 June 2000 " Procedur e 1. Open a terminal window and go to $NSHOME/usr . 2. Copy an example or interface-specific file to a new file that contains the user history table number .
Setting Up NetScout Manager Plus for FrameSaver Devices 10-15 9820-A2-GB20-20 June 2000 Installing the User -Defined History Files Once the user-defined history files have been created, the files need to be installed. History files are installed from the command-line prompt in NetScout Manager Plus.
Setting Up NetScout Manager Plus for FrameSaver Devices 10-16 9820-A2-GB20-20 June 2000 Monitoring a DLCI’ s History Data Once the monitoring variables have been defined, a problem DLCI can monitored. " Procedur e T o monitor user history data: 1.
Setting Up NetScout Manager Plus for FrameSaver Devices 10-17 9820-A2-GB20-20 June 2000 5. Select History List from the View menu. The History List window opens. The newly defined user history variables should appear on this list. 6. Highlight the desired set of user history variables, and select the OK button.
Setting Up NetScout Manager Plus for FrameSaver Devices 10-18 9820-A2-GB20-20 June 2000 Using the 2D or 3D Bar to view the user history data collected, you can click on a particular bar and get an expanded view of the data. 8. Click anywhere on this window to return to the previous window view (see Step 7 of this procedure).
Setting Up NetScout Manager Plus for FrameSaver Devices 10-19 9820-A2-GB20-20 June 2000 Monitoring the Agent Using NetScout Manager Plus (Models 9820 and 9820-2M) Once the FrameSaver SL V agent has been added to NetScout Manager Plus, select either the T raffic or Protocol radio button to monitor the newly added agent, or one of its DLCIs.
Setting Up NetScout Manager Plus for FrameSaver Devices 10-20 9820-A2-GB20-20 June 2000 NOTE: If Size Distribution is the selected V iew and distribution size has been changed via OpenLane, the values shown for the distribution will not be accurate. Only default size distributions are tracked.
1 1-1 9820-A2-GB20-20 June 2000 Setting Up Network Health for FrameSaver Devices 11 FrameSaver units are compatible with Concord Communication’s Network Health software.
Setting Up Network Health for FrameSaver Devices 1 1-2 9820-A2-GB20-20 June 2000 For additional information about installing, accessing, and managing FrameSaver SL V devices through Concord’s Network Health, and for information about applicable reports, refer to: H Network Health Installation Guide to help you install the application.
Setting Up Network Health for FrameSaver Devices 1 1-3 9820-A2-GB20-20 June 2000 Discovering FrameSaver Elements Once licenses are entered and you have access to the applications, the Discover dialog box opens. Use this dialog box to search for SL V units in your network and discover their DLCIs.
Setting Up Network Health for FrameSaver Devices 1 1-4 9820-A2-GB20-20 June 2000 Configuring the Discover ed Elements Network Health sets the speed for discovered elements when it polls the unit for the first time. For a FrameSaver SL V unit, the speed set would be the unit’ s CIR.
Setting Up Network Health for FrameSaver Devices 1 1-5 9820-A2-GB20-20 June 2000 Gr ouping Elements for Reports Once the discovery process is completed and required changes are made, the newly discovered elements (DLCIs) should be organized into a group for Health reporting.
Setting Up Network Health for FrameSaver Devices 1 1-6 9820-A2-GB20-20 June 2000 Generating Reports for a Gr oup Once Network Health has had sufficient time to gather data from the polled DLCIs and the DLCIs have been grouped, you can start generating reports.
Setting Up Network Health for FrameSaver Devices 1 1-7 9820-A2-GB20-20 June 2000 About T rend Reports By specifying specific variables like bandwidth, trend analysis can be performed and shown on T rend Reports. Up to ten variables for a DLCI, or ten DLCIs on one variable can be generated on a single trend report.
Setting Up Network Health for FrameSaver Devices 1 1-8 9820-A2-GB20-20 June 2000 — Elements Summary Report – Compares DLCI traffic with volume and the baseline, bandwidth utilization, and errors.
Setting Up Network Health for FrameSaver Devices 1 1-9 9820-A2-GB20-20 June 2000 H T rend Reports – Perform trend analysis on up to ten specified variables for DLCIs.
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12-1 9820-A2-GB20-20 June 2000 Hardware Maintenance (9820-45M) 12 Overview The FrameSaver SL V 9820-45M is designed for years of trouble-free service. There are actions you can take to further reduce the likelihood and amount of down time: Area of Concern Action Front Panel Assembly 1.
Hardware Maintenance (9820-45M) 12-2 9820-A2-GB20-20 June 2000 Cleaning the Fr ont Panel Assembly The substantial airflow through the unit’s four fans may cause dust to collect on the outside of the front air vents. When dust becomes visible at the air vents, run the brush attachment of a vacuum cleaner gently over the front panel to remove it.
Hardware Maintenance (9820-45M) 12-3 9820-A2-GB20-20 June 2000 Replacing the Fr ont Panel Assembly The System F AN LED on the front panel turns on when one or more of the front panel fans has failed. Replace the front panel assembly as soon as possible after this occurs.
Hardware Maintenance (9820-45M) 12-4 9820-A2-GB20-20 June 2000 Replacing a Power Module A power module requires replacement in a FrameSaver SL V 9820-45M when: H The front panel System PWR LED is lit. This means that one of the power modules has failed.
A-1 9820-A2-GB20-20 June 2000 Menu Hierar chy A Menus The following is a graphical representation of the FrameSaver SL V unit’ s menu organization..
Menu Hierarchy A-2 9820-A2-GB20-20 June 2000 00-16786a Menu Hierar chy Status System and T est Status LMI Repor ted DLCIs PVC Connection Status Network Interface Status IP Routing T ab le P erformance.
Menu Hierarchy A-3 9820-A2-GB20-20 June 2000 MAIN MENU Status T est Configuration A uto-Configuration Control Easy Install* Auto-Configuration • F rame Relay Discov er y Mode • Automatic Circuit R.
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B-1 9820-A2-GB20-20 June 2000 SNMP MIBs and T raps, and RMON Alarm Defaults B This appendix contains the following: H MIB Support H Downloading MIBs and SNMP T raps H System Group (mib-2) — FrameSav.
SNMP MIBs and T raps, and RMON Alarm Defaults B-2 9820-A2-GB20-20 June 2000 MIB Support The FrameSaver unit supports the SNMP V ersion 1, and has the capability of being managed by any industry-standard SNMP manager and accessed by external SNMP managers using the SNMP protocol.
SNMP MIBs and T raps, and RMON Alarm Defaults B-3 9820-A2-GB20-20 June 2000 System Gr oup (mib-2) This section provides the system description and system object identifier for the System Group for a FrameSaver SL V 9820 unit, which is an SNMPv1 MIB.
SNMP MIBs and T raps, and RMON Alarm Defaults B-4 9820-A2-GB20-20 June 2000 Interfaces Gr oup (mib-2) Clarification for objects in the Interfaces Group, as defined in RFC 1573 and RFC 1213, which is an SNMPv1 MIB, is provided in this section.
SNMP MIBs and T raps, and RMON Alarm Defaults B-5 9820-A2-GB20-20 June 2000 NetScout Indexes to the Interface T able (ifT able) For remote monitoring at sites where FrameSaver units are operating with NetScout Probes, use the following ifName, ifDescr , and ifIndex.
SNMP MIBs and T raps, and RMON Alarm Defaults B-6 9820-A2-GB20-20 June 2000 Standards Compliance for SNMP T raps This section describes the FrameSaver unit’s compliance with SNMP format standards and with its special operational trap features. All traps have an associated string to help you decipher the meaning of the trap.
SNMP MIBs and T raps, and RMON Alarm Defaults B-7 9820-A2-GB20-20 June 2000 T rap: warmStart This trap indicates that the FrameSaver unit has been reset and has stabilized. T able B-3. warmStart T rap T rap What It Indicates Possible Cause warmStart FrameSaver unit has just reinitialized and stabilized itself.
SNMP MIBs and T raps, and RMON Alarm Defaults B-8 9820-A2-GB20-20 June 2000 T raps: linkUp and linkDown These traps are supported on the following interfaces: H Network and synchronous data ports – Physical sublayer interfaces H Frame relay logical link layer interfaces T able B-5.
SNMP MIBs and T raps, and RMON Alarm Defaults B-9 9820-A2-GB20-20 June 2000 T able B-6. linkUp and linkDown V ariable-Bindings (1 of 2) Interface V ariable-Bindings Possible Cause Physical Sublayer Network Synchronous Data Port (Supported by the media-specific RS232-like MIB.
SNMP MIBs and T raps, and RMON Alarm Defaults B-10 9820-A2-GB20-20 June 2000 T able B-6. linkUp and linkDown V ariable-Bindings (2 of 2) Interface Possible Cause V ariable-Bindings Physical Sublayer , continued Ethernet Port H ifIndex (RFC 1573) H ifAdminStatus (RFC 1573) H ifOperStatus (RFC 1573) H devLastT rapString (devHealthAndStatus.
SNMP MIBs and T raps, and RMON Alarm Defaults B-1 1 9820-A2-GB20-20 June 2000 T able B-7. Input Control Leads That Generate linkDown and linkUp T raps V .
SNMP MIBs and T raps, and RMON Alarm Defaults B-12 9820-A2-GB20-20 June 2000 T raps: enterprise-Specific These traps indicate that an enterprise-specific event has occurred.
SNMP MIBs and T raps, and RMON Alarm Defaults B-13 9820-A2-GB20-20 June 2000 T able B-8. enterprise-Specific T raps and V ariable-Bindings (2 of 2) T rap Possible Cause V ariable-Bindings enterpriseMissedSL V - Down(16) H devFrExtDlciIfIndex (devFrExt.
SNMP MIBs and T raps, and RMON Alarm Defaults B-14 9820-A2-GB20-20 June 2000 T raps: RMON-Specific T wo traps are defined to support the Alarm and Events Groups of RMON. See RMON Alarm and Event Defaults for the default values that will generate RMON-specific traps.
SNMP MIBs and T raps, and RMON Alarm Defaults B-15 9820-A2-GB20-20 June 2000 RMON Alarm and Event Defaults The FrameSaver unit supports automatic generation of RMON alarm and event information. Each alarm sets an SNMP variable to monitor . When the threshold set for the monitored variable is exceeded, an SNMP trap or a log event is sent.
SNMP MIBs and T raps, and RMON Alarm Defaults B-16 9820-A2-GB20-20 June 2000 Network Synchronous Port Physical Interface Alarm Defaults These alarms only apply to the FrameSaver unit’s network data port interface. They are created during RMON initialization and put into the Paradyne-defined alarm area.
SNMP MIBs and T raps, and RMON Alarm Defaults B-17 9820-A2-GB20-20 June 2000 Frame Relay Link Alarm Defaults These alarms apply to the FrameSaver unit’s frame relay link interfaces.
SNMP MIBs and T raps, and RMON Alarm Defaults B-18 9820-A2-GB20-20 June 2000 T able B-1 1. Frame Relay Link Alarm Defaults (2 of 2) Item Falling Threshold Default Rising Threshold Default Event T ype Interval MIB/T ag/OID 2 Sample T ype 1 Rx Overruns D MIB: pdn_FrExt.
SNMP MIBs and T raps, and RMON Alarm Defaults B-19 9820-A2-GB20-20 June 2000 DLCI Alarm Defaults – Paradyne Area These alarms apply to all DLCIs on the network interface and can be created during RMON initialization or when a DLCI is created. They are put into the Paradyne alarm area.
SNMP MIBs and T raps, and RMON Alarm Defaults B-20 9820-A2-GB20-20 June 2000 T able B-12. DLCI Alarm Defaults – Paradyne Area (2 of 2) Item Falling Threshold Default Rising Threshold Default Event T ype Interval MIB/T ag/OID 2 Sample T ype 1 Maximum Latency D MIB: pdn_FrExt.
SNMP MIBs and T raps, and RMON Alarm Defaults B-21 9820-A2-GB20-20 June 2000 DLCI Alarm Defaults These alarms can be created during RMON initialization or when a DLCI is created. For Models 9820 and 9820-2M, they are put into the NetScout alarm area; for Models 9820-8M and 9820-45M they are grouped with the DLCI Alarm Defaults in the Paradyne area.
SNMP MIBs and T raps, and RMON Alarm Defaults B-22 9820-A2-GB20-20 June 2000 T able B-13. Static DLCI Alarm Defaults (2 of 2) Item Falling Threshold Default Rising Threshold Default Event T ype Interval MIB/T ag/OID 2 Sample T ype 1 Tx CIR Utilization D MIB: FR DTE MIB (RFC 21 15) T ag: frCircuitSentOctets OID: .
SNMP MIBs and T raps, and RMON Alarm Defaults B-23 9820-A2-GB20-20 June 2000 Object ID Cr oss-References (Numeric Order) The FrameSaver unit supports automatic generation of RMON alarm and event information. Each alarm sets an SNMP variable to monitor .
SNMP MIBs and T raps, and RMON Alarm Defaults B-24 9820-A2-GB20-20 June 2000 T able B-15. History OID Cross-Refer ence (1 of 4) Object ID (OID) 1 Item MIB/T ag .1.3.6.1.2.1.2.2.1. . . .1.3.6.1.2.1.2.2.1. 5.I Link Speed MIB: MIB II (RFC 1573) T ag: ifSpeed .
SNMP MIBs and T raps, and RMON Alarm Defaults B-25 9820-A2-GB20-20 June 2000 T able B-15. History OID Cross-Refer ence (2 of 4) Object ID (OID) 1 MIB/T ag Item .1.3.6.1.4.1.1795.2.24.2. . . .1.3.6.1.4.1.1795.2.24.2. 6.9.4.7.1.16.I Rx Non-octet Aligns MIB: pdn_FrExt.
SNMP MIBs and T raps, and RMON Alarm Defaults B-26 9820-A2-GB20-20 June 2000 T able B-15. History OID Cross-Refer ence (3 of 4) Object ID (OID) 1 MIB/T ag Item .1.3.6.1.4.1.1795.2.24.2.6.9.4 . . . .1.3.6.1.4.1.1795.2.24.2.6.9.4. 1.1.41.I . D Network Frames Dropped In CIR MIB: pdn_FrExt.
SNMP MIBs and T raps, and RMON Alarm Defaults B-27 9820-A2-GB20-20 June 2000 T able B-15. History OID Cross-Refer ence (4 of 4) Object ID (OID) 1 MIB/T ag Item .1.3.6.1.4.1.1795.2.24.2.6.9.4.5.2.1. . . .1.3.6.1.4.1.1795.2.24.2.6.9.4.5.2.1 .2 . I.D.N Burst Upper Limit (1– 5) MIB: pdn_FrExt.
SNMP MIBs and T raps, and RMON Alarm Defaults B-28 9820-A2-GB20-20 June 2000 T able B-16. Alarm OID Cross-Refer ence (1 of 2) Object ID (OID) Item MIB/T ag .1.3.6.1.2.1.10.32.2.1. . . .1.3.6.1.2.1.10.32.2.1. 4.I . D Rx FECNs MIB: FR DTE MIB (RFC 21 15) T ag: frCircuitReceivedFECNs .
SNMP MIBs and T raps, and RMON Alarm Defaults B-29 9820-A2-GB20-20 June 2000 T able B-16. Alarm OID Cross-Refer ence (2 of 2) Object ID (OID) MIB/T ag Item .1.3.6.1.4.1.1795.2.24.2.6.9.4. . . .1.3.6.1.4.1.1795.2.24.2.6.9.4. 3.1.7.I . D Current Latency MIB: pdn_FrExt.
SNMP MIBs and T raps, and RMON Alarm Defaults B-30 9820-A2-GB20-20 June 2000.
C-1 9820-A2-GB20-20 June 2000 Connectors, Cables, and Pin Assignments C This appendix shows the FrameSaver unit rear panels, and pin assignments for the connectors/interfaces and cables. NOTE: In the pin assignment tables of this appendix, if the pin number is not shown, it is not being used.
Connectors, Cables, and Pin Assignments C-2 9820-A2-GB20-20 June 2000 Rear Panels The following illustration shows the rear panel of the FrameSaver 9820, 9820-2M, and 9820-8M models. 98-16189 The following illustration shows the rear panel of the FrameSaver 9820-45M.
Connectors, Cables, and Pin Assignments C-3 9820-A2-GB20-20 June 2000 COM (T erminal) Port Connector The following table shows the signals and pin assignments for the DB25 communication port connector . The communication port is called the T erminal port on the Model 9820-45M.
Connectors, Cables, and Pin Assignments C-4 9820-A2-GB20-20 June 2000 Standard EIA-232 Crossover Cable (Models 9820, 9820-2M, 9820-8M) A standard EIA-232 crossover cable can be used to connect the COM port to an external modem. This is an EIA-232 plug-to EIA-232 plug (DB25-to-DB25) cable.
Connectors, Cables, and Pin Assignments C-5 9820-A2-GB20-20 June 2000 " Procedur e T o configure an external modem: 1. Disconnect the asynchronous terminal from the standard cable. See page C-4 for an illustration of the COM Port connection. 2. Reconnect the crossover cable to the external modem.
Connectors, Cables, and Pin Assignments C-6 9820-A2-GB20-20 June 2000 User and Network Data Port Connectors (Models 9820, 9820-2M, 9820-8M) The following table provides the pin assignments for the EIA-530-A connector to the DTE or NTU.
Connectors, Cables, and Pin Assignments C-7 9820-A2-GB20-20 June 2000 X.21 Network Cable (Models 9820, 9820-2M, 9820-8M) This cable is used to connect the network data port to an NTU with an X.21 interface. It is a 25-position EIA-530A-to-15-pin X.21 (DB25-to-X.
Connectors, Cables, and Pin Assignments C-8 9820-A2-GB20-20 June 2000 X.21 DTE Adapter Cable (Models 9820, 9820-2M, 9820-8M) This adapter is used to connect the user data port to a DTE with an X.21 cable. It is a 25-pin EIA-530A-to-15-pin X.21 (DB25-to-X.
Connectors, Cables, and Pin Assignments C-9 9820-A2-GB20-20 June 2000 V .35 Network Cable (Models 9820, 9820-2M, 9820-8M) This cable is used to connect the network data port to an NTU with a V .35 interface. It is a 25-position EIA-530A-to-34-pin V .35 (DB25-to-V .
Connectors, Cables, and Pin Assignments C-10 9820-A2-GB20-20 June 2000 The following table provides the pin assignments for the DB25-to-V .35 network cable.
Connectors, Cables, and Pin Assignments C-1 1 9820-A2-GB20-20 June 2000 V .35 DTE Adapter (Models 9820, 9820-2M, 9820-8M) This adapter is used to connect the user data port to a DTE with an V .35 cable. It is a 25-pin EIA-530A-to-34-position V .35 (DB25-to-V .
Connectors, Cables, and Pin Assignments C-12 9820-A2-GB20-20 June 2000 The following table provides the pin assignments for the DB25-to-V .35 adapter .
Connectors, Cables, and Pin Assignments C-13 9820-A2-GB20-20 June 2000 EIA-530-A Straight-through Cable (Models 9820, 9820-2M, 9820-8M) A standard straight-through cable (Feature No. 9008-F1-523) is used to connect the network data port to the NTU or the user data port to a DTE when the Port T ype is E530 (EIA-530-A).
Connectors, Cables, and Pin Assignments C-14 9820-A2-GB20-20 June 2000 The following table provides the pin assignments for the DB25-to-DB25 straight-through cable.
Connectors, Cables, and Pin Assignments C-15 9820-A2-GB20-20 June 2000 EIA-612/613 HSSI Connectors (Model 9820-45M) The 50-pin HSSI connectors on the Model 9820-45M use standard EIA-612/613 signaling.
Connectors, Cables, and Pin Assignments C-16 9820-A2-GB20-20 June 2000 LAN Connector (Model 9820-45M) The LAN connector on the Model 9820-45M uses a standard IEEE 802.
D-1 9820-A2-GB20-20 June 2000 T echnical Specifications D T able D-1. FrameSaver SL V Unit T echnical Specifications (1 of 3) Specification Criteria Approvals – Models 9820, 9820-2M, 9820-8M EMC (Cl.
T echnical Specifications D-2 9820-A2-GB20-20 June 2000 T able D-1. FrameSaver SL V Unit T echnical Specifications (2 of 3) Specification Criteria Weight – Models 9820, 9820-2M, 9820-8M Weight – Model 9820-45M 2.
T echnical Specifications D-3 9820-A2-GB20-20 June 2000 T able D-1. FrameSaver SL V Unit T echnical Specifications (3 of 3) Specification Criteria COM Port (9820, 9820-2M, 9820-8M) Data rates DB25 connector 9.6, 14.4, 19.2, 28.8, 38.4, 57.6, and 1 15.
T echnical Specifications D-4 9820-A2-GB20-20 June 2000.
E-1 9820-A2-GB20-20 June 2000 Equipment List E Equipment See page E-3 for cables you can order . Description Model / Feature Number FrameSaver SL V In-Line Units FrameSaver SL V 9820 In-Line unit (128.
Equipment List E-2 9820-A2-GB20-20 June 2000 Description Model / Feature Number Power Supply 100 – 240 V AC Power Supply (Models 9820, 9820-2M, 9820-8M) 9001-F1-040 120 V AC Power Module (Model 9820.
Equipment List E-3 9820-A2-GB20-20 June 2000 Cables This table lists cables you can order . Description Part Number Feature Number LAN Adapter , DB25 plug-to-8-position modular receptacle 002-0069-0031 3100-F1-920 COM Port-to-LAN Adapter Cable (14 ft /4.
Equipment List E-4 9820-A2-GB20-20 June 2000 This page intentionally left blank..
IN-1 9820-A2-GB20-20 June 2000 Index Numbers 55 hexadecimal, test pattern, 8-19 A aborting tests, 8-16 Access Dial-In, 4-57 Name, 4-40 T ype, 4-44 Access Level, 5-10, 5-1 1 assigning, 5-9 COM port, 4-.
Index IN-2 9820-A2-GB20-20 June 2000 COM port, 4-46, 4-57 as default IP destination, 4-34 configuration options, 4-52 connector , C-3 set up for trap dial-out, 4-5 Committed Burst Size Bc (Bits), 4-27.
Index IN-3 9820-A2-GB20-20 June 2000 Device messages, 6-1 1 troubleshooting problems, 8-1 1 Dial-In Access external modem, 4-57 Modem port, 4-59 Dial-Out Delay T ime (Min), 4-48 Directory , 4-49 optio.
Index IN-4 9820-A2-GB20-20 June 2000 Ethernet, statistics, 6-37 Ethernet port as default IP destination, 4-34 MAC address, 6-2 user interface options, 4-50 even parity , 4-53 Event Log, T raps, 6-38 e.
Index IN-5 9820-A2-GB20-20 June 2000 IP Address, 4-36, 4-58 for COM port, 4-55 for Ethernet port, 4-50 for Modem port, 4-61 limiting SNMP access through, 5-10 NMS number , 4-44, 4-45 Node, 4-3, 4-33 I.
Index IN-6 9820-A2-GB20-20 June 2000 M MAC address, 6-2 Main Menu, screen/branch, 2-4 making input selections, 2-9 Management and Communication, options, 4-32 General SNMP , options, 4-40 OpenLane 5.
Index IN-7 9820-A2-GB20-20 June 2000 Node IP , configuration option tables, 4-32 NSP , 4-14 NTU, 1-1 Number of Managers, 4-44, 5-10 T rap Managers, 4-45 O odd parity , 4-53 OID (object identification).
Index IN-8 9820-A2-GB20-20 June 2000 Q quality of service, 4-28 Quick Reference, 3-3 R ratios, FDR and DDR, 1-3 RD, control lead, 6-9 rear panel, C-2 remote, units, minimal configuration, 3-6 reports,.
Index IN-9 9820-A2-GB20-20 June 2000 SL V (service level verifier), 1-1 configuring, 4-16 Delivery Ratio, 4-16 DLCI Down on T imeout, 4-16 Packet Size, 4-17 performance statistics, 6-30 reports, 1-3 S.
Index IN-10 9820-A2-GB20-20 June 2000 T erminal port as default IP destination, 4-34 configuration options, 4-52 connector , C-3 Port Use, 4-52 T est menu/branch, 2-4 Mode, 6-4, 6-6, 6-8 Status messag.
Index IN-1 1 9820-A2-GB20-20 June 2000 V V .35, cable kit, C-9, C-1 1 V alue Out of Range message, 4-26, 4-27 variable-bindings, B-9, B-14 VCI, 1-5 viewing, packet capture results, 8-6 virtual path or.
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 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 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Paradyne 9820 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Paradyne 9820 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Paradyne 9820, 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.
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. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Paradyne 9820 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.
