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Maintenance and Troubleshooting

5-4

9121-A2-GB20-20

May 1998

DTE Port 1 or 2

Label

Indication

Color

What It Means

1-OK
2-OK

Operational
Status

Green

– The interchange circuits for the port

are in the correct state to transmit and
receive data.

OFF – The port is idle. Occurs if the port is

disabled, or if the port is configured to
monitor DTR and/or RTS and the
lead(s) is not asserted.

System Alarm Relay

The FrameSaver 9000 Series Access Carrier provides an alarm system relay that
you can configure to activate when an alarm condition is present. To use the
system alarm relay, you must:

See the

FrameSaver 9000 Series Access Carrier Installation Instructions for

information on how to connect the alarm relay connector.

Set the following configuration option:

Main Menu

→

Configuration Edit/Display

→

Alarm Options

→

System

Alarm Relay

→

Enable

Ensure that the System Alarm Relay Cut-off under the Control branch is not
selected. This menu selection turns off the system alarm relay.

Summary of Contents for FrameSaver 9120

Page 1: ...FrameSaver 9120 USER S GUIDE Document No 9121 A2 GB20 20 May 1998 ...

Page 2: ... right to revise this publication and to make changes from time to time in the contents hereof without obligation of Paradyne Corporation to notify any person of such revision or changes Changes and enhancements to the product and to the information herein will be documented and issued as a new release to this manual Warranty Sales and Service Information Contact your local sales representative se...

Page 3: ...e harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense The authority to operate this equipment is conditioned by the requirements that no modifications will be made to the equipment unless the changes or modifications are expressly...

Page 4: ...allow anything to rest on the power cord and do not locate the product where persons will walk on the power cord 7 General purpose cables are provided with this product Special cables which may be required by the regulatory inspection authority for the installation site are the responsibility of the customer Connection to the network is to be made with UL Listed CSA Certified minimum No 26 AWG cor...

Page 5: ...2 H What You Need to Do Before Using the FrameSaver 9120 1 3 2 User Interface H Interfaces to the FrameSaver 9120 2 1 Access Unit s Faceplate 2 1 Async Terminal User Interface 2 1 Network Management 2 1 H Menu Hierarchy 2 2 Main Menu Screen 2 2 H Screen Format Types 2 3 H What Affects Screen Displays 2 3 H Screen Work Areas 2 4 H Navigating the Screens 2 5 Keyboard Keys 2 5 Screen Function Keys 2 ...

Page 6: ...isplaying Statistical Information 4 22 Physical Performance Statistics for All Interfaces 4 22 Network Physical Performance Statistics 4 23 Selecting T1 Network Statistical Intervals for Display 4 24 DBM Physical Performance Statistics 4 25 Frame Relay Performance Statistics 4 26 PVC Performance Statistics 4 28 Clearing Performance Statistics 4 30 5 Maintenance and Troubleshooting H LEDs 5 1 Frame...

Page 7: ...it Chapter 2 User Interface Describes the user interface and how to use it Chapter 3 Startup Tells you how to log in out and how to start end a session Chapter 4 Displaying System Information Tells you how to display information about your system via the user interface and describes status and statistical information provided by the access unit Chapter 5 Maintenance and Troubleshooting Consolidate...

Page 8: ...ons to be made from a menu or selections from within a menu before performing a procedural step For example Main Menu Status System and Test Status indicates that from the Main Menu you should select Status then select System and Test Status from the Status menu Path To provide a check point that coincides with the menu path shown at the top of the screen Always shown within parentheses so you can...

Page 9: ...allation Instructions Describes how to install the power cord and transformer for a 1 slot unit Includes technical specifications 9000 A2 GN18 International 1 Slot FrameSaver Unit Installation Instructions Describes how to install a fully assembled 1 slot access unit intended for use outside the United States and Canada Includes technical specifications 9000 A2 GN19 ISDN BRI Dial Backup Module DBM...

Page 10: ...ent list Provides supplemental MIB descriptions a user interface to MIB cross reference and SNMP traps support 9121 A2 GN10 FrameSaver 9120 Network Access Module NAM Installation Instructions Describes how to install a NAM in a 1 slot housing Includes cabling operation verification technical specifications and pin assignments Describes how to install a NAM in either a 1 slot housing Includes cabli...

Page 11: ...cuts H Optional ISDN BRI DBM automatic backup H Automated configuration H Local or remote management using a menu driven user interface or through SNMP simple network management protocol management H MIBs support MIB II RFC 1213 and RFC 1573 Frame Relay DTEs MIB RFC 1315 DS1 E1 MIB RFC 1406 RS 232 Like MIB RFC 1659 Frame Relay Service MIB RFC 1604 and Enterprise MIB H Data port rates Port 1 4 8 9 ...

Page 12: ...meSaver access unit Based upon the local management interface LMI status response messages when the network interface is configured as the user side of LMI the FrameSaver access unit automatically discovers a network DLCI and cross connects the DLCI to a port DLCI provided the port is configured as the user side Management PVCs can also be discovered and cross connected Backup ISDN BRI DBM Availab...

Page 13: ...examples see Chapter 2 Management Control and IP Addressing and for configuration worksheets see Appendix B Configuration Worksheets in the FrameSaver 9120 Technical Reference Install ISDN BRI DBM if ordered separately see the ISDN BRI Dial Backup Unit DBM Installation Instructions Install FrameSaver access unit ready to be configured see the 1 Slot Assembled Access Unit Installation Instructions ...

Page 14: ...About the FrameSaver 9120 1 4 9121 A2 GB20 20 May 1998 This page intentionally left blank ...

Page 15: ...unit s faceplate includes 12 LEDs light emitting diodes See Chapter 5 Maintenance and Troubleshooting for an understanding of what each LED indicates Async Terminal User Interface Access to the easy to use menu driven interface is provided through an async asynchronous or other VT100 compatible terminal PC terminal emulation or a Telnet session This guide focuses upon using this menu driven user i...

Page 16: ...t Select and cancel test for the access unit s interfaces Configuration Display and edit the configuration options Configuration Shortcuts Configure basic access unit setup automatically based upon a selected application Fill network and data port DLCI configuration options with numeric settings automatically Control Control the user interface for call setup device naming login administration and ...

Page 17: ...on on a screen Underlines in the field value or selection indicate an input or edit field Display Display configuration information and results from performance and system specific tests No underlines in the field value or selection indicate a display only field What Affects Screen Displays What appears on the screens depends on H Current configuration How your network is currently configured H Se...

Page 18: ...Î main Company Name 9120 Device Name Node A 01 26 96 23 32 PORT 1 PHYSICAL OPTIONS Port Type E530 Port Rate Kbps 256 Transmit Clock Internal Invert Transmit Clock Disable Port DTE Initiated Loopbacks Disable Control Leads Supported Both Ctrl a to access these functions Exit Save Menu Path Screen Area Device Name Model Number Date and Time Screen Function Key Area System Message Area Screen Format ...

Page 19: ...ous field Backspace Move cursor one position to the left or to the last character of the previous field Spacebar Select the next valid value for the field Delete Del Delete character that the cursor is on Up Arrow or Ctrl u Move cursor up one field within a column on the same screen Down Arrow or Ctrl d Move cursor down one field within a column on the same screen Right Arrow or Ctrl f Move cursor...

Page 20: ...d press Return to M or m MainMenu Return to the Main Menu screen E or e Exit Terminate the async terminal session N or n New Enter new data O or o Modify Modify existing data L or l Delete Delete data S or s Save Save information R or r Refresh Update screen with current information V or v PVCs Display PVC statistics for the selected interface C or c ClrStats Clear network performance statistics a...

Page 21: ...u reach the screen you want Refer to the Quick Reference to guide you through menu selections Selecting a Field Once you reach the desired menu or screen select a field to view change or issue a command Press the Tab or right arrow key to select a field within a menu The current setting or value appears to the right of the field Example To change the amount of time that a test will run before it i...

Page 22: ... the selection H Switch from the screen area to the screen function area and select or enter the designated screen function key See Switching Between Screen Work Areas for an example If a field is blank and the System Messages and Field Values screen area displays valid selections press the spacebar the first valid setting for the field appears Continue pressing the spacebar to scroll through othe...

Page 23: ...rd and press Return An asterisk appears in the password field for each character entered If the Login ID Password combination is Then the Valid Main Menu appears Begin your session Invalid Message Invalid Password is displayed on line 24 and the Login screen is redisplayed If an invalid Login ID Password combination is entered 3 consecutive times A Telnet session is closed The User Interface Idle ...

Page 24: ...from the screen area to the screen function key area 2 Select Exit by entering e and pressing Return The session is ended Starting a Session Depending on how your network is configured you can start a session using one of the following methods H Telnet session through an in band management channel through the frame relay network H Telnet session through a local in band management channel configure...

Page 25: ... interface is currently in session The message Connection refused appears FrameSaver access unit allows only one connection at a time See Device Status Messages in Chapter 5 Maintenance and Troubleshooting Attempting direct access through the COM port and the user interface is currently in session The message User Interface Already In Use appears with the active user s IP address See Device Status...

Page 26: ...e terminal is disconnected 3 If ending a configuration editing session the Save Configuration screen appears with the Save Changes prompt If you select Then No The session is terminated without the configuration option changes being saved Yes The Save Configuration To screen appears Select a configuration option area to save your changes to Current Customer 1 or Customer 2 and press Return Configu...

Page 27: ...formation is available for viewing Use the right and left arrow keys to scroll additional text into view View this field To find the System Identity System Name Domain name for the SNMP managed node A maximum of 40 characters System Contact Contact person for this SNMP managed node System Location Physical location for this SNMP managed node NAM Identity Serial Number NAM s 7 character serial numb...

Page 28: ...epresents the major and minor revision levels Hardware Revision DBM s hardware version Format nnnn nnx consists of a 4 digit number followed by 2 digits and 1 alphabetic character Procedure To enter access unit or site identification system identity information use the following menu sequence Main Menu Control Device Name Refer to the FrameSaver 9120 Technical Reference for more information ...

Page 29: ...eported DLCIs Select an interface Network Port 1 Port 2 BRI B1 or BRI B2 and view the status of all DLCIs reported on that interface Only available when at least one interface has frame relay Link Status set to Enable and LMI Personality is set to User Side PVC Connection Status View Source or originating Primary Destination and Alternate Destination information for each PVC connection Information...

Page 30: ...C Connection Status The following sections provide information about the status information that is available System and Test Status Messages System and test status information is selected from the Status menu Main Menu Status System and Test Status All messages are listed in alphabetical order Use the following menu sequence to clear device failure messages from the System and Test Status screen ...

Page 31: ...manual or automatic could not be made because the Call Profile had been disabled Enable the ISDN Call Profile Main Menu Control ISDN Call Profiles Enable BRI Bn Call Profile Invalid ISDN backup call manual or automatic could not be made because the Call Profile is invalid 1 Verify that the ISDN Call Profile identifier is not blank 2 Check that the phone number associated with the ISDN Call Profile...

Page 32: ...nk is active on the primary destination link If it is no action is required If not contact network provider H No action is needed if communicating directly with another access unit The other unit has chosen to revert back to the primary destination link DTR down from Port n Device The DTR control lead on the device connected to Port n is off Examine the DTE that is connected to the access unit s p...

Page 33: ...r if problem persists LOS at DSX 1 A Loss of Signal LOS condition is detected on the DSX 1 interface Clears when the ratio of ones to zeros received is greater than or equal to 12 5 1 DSX 1 cable problem 2 No signal being transmitted from the DTE 1 Check that the DSX 1 cable is securely attached at both ends 2 Check the DTE status LOS at Network A Loss of Signal LOS condition is detected on the ne...

Page 34: ... the DSX 1 cable is securely attached at both ends OOF at Network An Out of Frame OOF condition is detected on the network interface 1 Incompatible framing format between the network and the access unit 2 Network cabling problem 3 T1 facility problem 1 Check that the framing format for the network interface is correct 2 Check that the network cable is securely attached at both ends 3 Contact your ...

Page 35: ...ally switch from internal until the primary clock source returns H If the secondary clock was derived from the network contact the network provider H Check the clock source connector Yellow at Network A yellow alarm signal is received on the network interface 1 Network cable problem 2 Far end access unit has lost framing sync on the T1 line 3 T1 facility problem 1 Check that your network cable is ...

Page 36: ...unit to the factory see page A at the front of this guide DSX 1 T1 Fail The NAM failed to internally loop data on the DSX 1 circuit 1 Reset the unit and try again 1 2 Call your service representative for assistance 3 Return the unit to the factory see page A at the front of this guide Failure xxxxxxxx An internal failure occurred xxxxxxxx represents an eight digit hexadecimal failure code for use ...

Page 37: ... T1 Fail The NAM failed to internally loop data on the network T1 circuit 1 Reset the unit and try again 1 2 Call your service representative for assistance 3 Return the unit to the factory see page A at the front of this guide Passed Self Test is enabled the access unit has been plugged in or reset the access unit has passed the diagnostic test and there are no other status messages No action nee...

Page 38: ...1 Physical Tests screen Path main test dsx_phy to activate or deactivate the test DSX 1 RLB Test Active A DSX 1 Repeater Loopback RLB test is active H Allow the loopback to continue or abort the test H Press Return while the loopback is selected via the Command column on the DSX 1 Physical Tests screen Path main test dsx_phy to activate or deactivate the test DTE External LB Port n An external DTE...

Page 39: ...ng and the number of errors during that time are displayed 2 H Continue monitoring test H Press Return while the test is selected via the Command column on the interface s PVC Tests screen Path main test network port 1 port 2 BRI _pvc to activate or deactivate the test Mon Pttn interface 3 Access unit is monitoring the selected test pattern on the network or DSX 1 interface When status is Active t...

Page 40: ...deactivate the test Network RLB Test Active A Network Repeater Loopback RLB test is active H Allow the loopback to continue or abort the test H Press Return while the loopback is selected via the Command column on the Network Physical Tests screen Path main test network_phy to activate or deactivate the test Network RemLB Test Active A Network Remote Loopback RemLB test is active H Allow the loopb...

Page 41: ...umn on the interface s PVC Tests screen Path main test network port 1 port 2 BRI _pvc to activate or deactivate the test Send Pttn interface 3 Access unit is sending a selected test pattern on the network or DSX 1 interface H Allow the test to continue H Press Return while the test is selected via the Command column on the Network or DSX 1 Physical Tests screen Path main test network dsx _phy to a...

Page 42: ... the selected interface the identifying number assigned to the path between two frame relay access unit s ports DLCI statuses are listed in ascending order i e lowest number first Status Active Inactive Deleted 1 New1 LMI reported status of the DLCI H Whether the DLCI is active capable of carrying data in the frame relay network H Whether it is inactive H Whether it has been deleted by the frame r...

Page 43: ...nit H Network T1 network H Port Port 1 or Port 2 H BRI B channel 1 or 2 H Mgmt Link PVC is a management link that terminates in the access unit name is set up from Management PVCs Options Path main config management pvc entry Source EDLCI Primary Destination EDLCI and Alternate Destination EDLCI 0 to 62 For multiplexed DLCIs only Identifies an individual link connection embedded within a DLCI Stat...

Page 44: ...ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ main status connections 9120 Device Name Node A 01 26 96 23 32 Page 1 of x PVC CONNECTION STATUS Source Primary Destination Alternate Destination Link DLCI EDLCI Link DLCI EDLCI Status Link DLCI EDLCI Status 1 Port 1 201 Network 300 Active 2 Port 2 202 Network 1001 1 Active 3 Port 1 100 Network 1001 4 Active 4 Port 2 204 Network 1001 2 Active 5 Mgmt PVC Dunedin Network 1001 5 A...

Page 45: ... H Inv SPID The switch has rejected one of the configured SPIDs H Inv Local Number The phone number configured for a B channel is an invalid local number H Inv Call ID The incoming call was rejected because the Calling ID did not match the number in any of the enabled ISDN Call Profiles The rejected Calling ID appears in the BRI Bn Remote Call ID field Operating Mode Disabled1 Idle 2 Test Active S...

Page 46: ...he remote device received for the B channel Local call origination Called ID of the remote device No Caller ID The network is not providing the caller ID of the calling device Negotiated Rate 64 Kbps 56 Kbps Negotiated rate of the connection link Performance Statistics Use the Status menu to display statistical information for a selected interface Network Port 1 Port 2 DBM BRI B1 or DBM BRI B2 Sta...

Page 47: ...ical 4 ISDN BRI DBM s physical interface performance statistics BRI B1 Physical 4 DBM s BRI physical performance statistics for B channel 1 BRI B1 Frame Relay 3 4 DBM s BRI frame relay performance statistics for B channel 1 BRI B2 Physical 4 DBM s BRI physical performance statistics for B channel 2 BRI B2 Frame Relay 3 4 DBM s BRI frame relay performance statistics for B channel 2 Clear Statistics...

Page 48: ...ected Physical Performance Statistics for All Interfaces These statistics appear when Network Port 1 Port 2 BRI B1 or BRI B2 Physical is selected from the Performance Statistics menu They are only available when the interface is enabled Main Menu Status Performance Statistics Network Port 1 Port 2 BRI B1 BRI B2 Physical Statistic What It Indicates Rx Overruns Number of receiver overruns too many b...

Page 49: ...or more controlled slips a replication or deletion of a DS1 frame by the receiving device This is collected for network performance statistics only Loss of Frame Count LOFC The number of Loss of Frame conditions In addition to the metrics kept for the Network physical interface the value of the Status Event Register is kept for each 15 minute interval user count only The system records the occurre...

Page 51: ...ssful calls answered by the DBM Calls Rejected Security Number of calls rejected by the DBM due to security Calls Rejected Other Number of calls rejected by the DBM due to reasons other than security Average Call Duration mins Average amount of time in minutes that successful calls take Calculation is on actual call time it does not include security verification call back time etc Longest Call Dur...

Page 52: ... BECNs Received Number of Backward Explicit Congestion Notifications received over the interface The network sends BECNs to notify users of data traffic congestion in the opposite direction of the frame carrying the BECN indicator Frame Relay Errors Invalid Rx Frames Number of invalid frames received over the interface There is a non frame relay device on the far end of the circuit Short Rx Frames...

Page 53: ... not fall into one of the other statistic categories Indicates that the error is not one that the unit can recognize Frame Relay LMI LMI Protocol LMI protocol configured for the frame relay link Normal condition Status Msg Received Number of LMI status messages received over the interface Normal condition Reliability Errors Number of LMI reliability errors received over the interface Indicates the...

Page 54: ...er FR Discovery mode then change it back to the desired mode Statistic What It Indicates Interface s PVC DLCI DLCI number selected for display of the PVC statistics for a specific DLCI This is a DLCI selection or entry field Tx Rx Characters Number of data octets 8 bit bytes sent received for the selected DLCI on the interface Tx Rx Frames Number of frames sent received for the DLCI on the interfa...

Page 55: ...estination backup link is lower than the source DLCI s Rx BECN Frames Number of Backward Explicit Congestion Notifications received over the interface The network receives BECNs to notify users of data traffic congestion in the opposite direction of the frame carrying the BECN indicator Rx FECN Frames Number of Forward Explicit Congestion Notifications received for the selected DLCI on the interfa...

Page 56: ... and Command Complete appears at the bottom of the screen no additional Clear Network Port 1 Port 2 or BRI Statistics menu appears 3 If All is not selected the selected interface s Network Port 1 Port 2 or BRI Clear Statistics menu appears Select All or the statistics associated with a selected interface For interface Select To clear Network Port 1 Port 2 or BRI 1 All T1 network s port s or ISDN B...

Page 57: ...ork interface and the DTE interfaces Test jacks are also provided on the faceplate The following illustration shows a FrameSaver 9120 access unit faceplate 97 15315 2 O K O K A L M T S T B K P S I G O O F A L M S I G O O F A L M 1 O K 9121 I N O U T I N O U T I N O U T I N O U T NET DSX NET MON DSX MON NETWORK DSX PORT From the user interface async terminal or NMS access this status information by...

Page 58: ...or an error or fault has been detected Error fault alarm conditions H Out of Frame OOF H Loss of Signal LOS H Alarm Indication Signal AIS H Exceeded Error Rate EER H Yellow Alarm Signal H Device Fail H DBM Card Failed H Memory Failed H T1 Failed H CPU Failed H ISDN Network Failed H LMI Down H DLCI Down H Network Communication Link Down H CTS Down to device H DTR Down to device H Download Failed H ...

Page 59: ...eing established but no data has been passed Network DSX Interface Label Indication Color What It Means SIG Signal Green ON A recoverable signal is present on the Network DSX interface OFF The signal cannot be recovered from the Network DSX interface An LOS condition exists OOF Out of Frame Yellow ON At least one OOF was detected during the sampling period OFF No OOFs were detected during the samp...

Page 60: ...em Alarm Relay The FrameSaver 9000 Series Access Carrier provides an alarm system relay that you can configure to activate when an alarm condition is present To use the system alarm relay you must H See the FrameSaver 9000 Series Access Carrier Installation Instructions for information on how to connect the alarm relay connector H Set the following configuration option Main Menu Configuration Edit...

Page 61: ...xist No other alarms will be reported until the original alarm condition has been cleared Example When a 04 10 97 10 26 32 Frame Relay DLCI number 201 is down on the Port 1 Interface message is reported you could also have a Primary or Secondary Clock Source Failure as well All messages in the following table are listed in order of priority Each message is preceded by the name of the access unit D...

Page 62: ...etwork provider mm dd yy hh mm ss Alarm Cleared for Out of Frame OOF condition at the Network DSX 1 Interface Alarm condition no longer exists No action needed mm dd yy hh mm ss Alarm Indication Signal AIS received at the Network DSX 1 Interface An Alarm Indication Signal condition is detected on the network or DSX 1 interface Check the status of the far end unit If necessary contact network provi...

Page 63: ...ion no longer exists No action needed mm dd yy hh mm ss An ISDN Network Failure has been detected active ISDN Network Failure condition has been detected at the specified date month day year and time hour minute second H Check the network connection H Contact network provider mm dd yy hh mm ss Alarm Cleared for an ISDN Network Failure Alarm condition no longer exists No action needed mm dd yy hh m...

Page 64: ...he other unit has chosen to revert back to the primary destination link mm dd yy hh mm ss Alarm Cleared Frame Relay DLCI Number DLCI number is up on the T1 Network Port 1 Port 2 BRI B1 BRI B2 Interface Alarm condition no longer exists No action needed mm dd yy hh mm ss A Primary Clock Source Failure has occurred The primary clock source has failed The system is operating from the secondary clock s...

Page 65: ...as been entered Reenter information using valid characters Invalid Test Already Active A test was already in progress when it was selected No action needed Invalid CSU DTE Network Initiated Loopback Active Network initiated loopback was in progress when CSU or DTE Loopback Start was selected No action needed Selecting Abort All Tests from the Test menu Path main test will not interrupt a network i...

Page 66: ...tion 2 Reenter the new login ID Limit of 40 Links Reached A management PVC is being created and 40 links already exist H Do not create the link H Delete another link and try again Name Must be Unique Name entered for a management PVC has been used previously Enter another 4 character name for the logical management link No DLCIs Available for Net Link A management PVC is being created and the maxi...

Page 67: ...gain H Contact your system administrator to verify your password Set Frame Relay Link Status to Disable first Tried to disable the physical port when the logical link was up tried to change Port Status to Disable while Link Status was enabled 1 Change Link Status to Disable 2 Retry disabling the port Value Out of Range CIR entered for the DLCI is a number greater than 64 000 or is a special charac...

Page 68: ...e then Save was selected H No action needed H Reenter the Login ID Password and Access Level Command Complete Configuration has been saved or all tests have been aborted No action needed Please Wait Command takes longer than 5 seconds Wait until message clears Resetting Device Please Wait Yes or y was entered in the Reset COM Port usage field of the System Paused menu No action needed Test Active ...

Page 69: ...y in use access to the interface is denied IP address and login of the user currently accessing the interface are also provided H Wait and try again H Contact IP address user and request that they log off User Interface Idle Previously active session is now closed ended and access via the COM port is now available Log onto the access unit Session has been ended due to timeout No action needed ...

Page 70: ...ntly not available 58 Bearer capability requested is supported by the device generating the cause but it is not available at this time Retry at another time Call awarded and being delivered in est chnl 7 An incoming call is being connected to an already established channel that is used for similar calls No action needed Call profile disabled 129 Call received by the ISDN BRI DBM but Call Profile r...

Page 71: ...ination 88 Request to establish a call has been received but low layer high layer or another compatibility attribute e g data rate cannot be provided Incorrect format of the destination link 1 Check the configured attribute 2 Change the appropriate attribute configuration option e g change data rate Identified channel does not exist 82 Channel requested for a call is not activated on the interface...

Page 72: ...ment Contact your service representative Message not compatible with call state 101 Device sending this cause has received a message that is not permissible while in the call state Contact your service representative Msg nonexistent 98 An unexpected message was received in a state other than Null Retry the call Msg type nonexistent or unimplemented 97 Device sending this cause has received a nonex...

Page 73: ...ormal event No action needed No user responding 18 Called device does not respond to the call with an alert or connect indication within the prescribed period of time Internal network timers may be a cause Contact network provider if the cause continues Number changed 22 Called number is no longer assigned Look in the diagnostic field for the new number then change the phone number in your ISDN ca...

Page 74: ...equested facility not subscribed 50 The supplementary service requested cannot be provided by the network until user completes arrangement with its supporting networks 1 Notify your system administrator that the arrangements are not complete 2 Complete the necessary arrangements Resource unavailable unspecified 47 No other cause in the resource unavailable class applies for this resource unavailab...

Page 75: ...ntinue for long Wait and try again Unallocated number 1 Destination requested cannot be reached because the Calling ID number is not assigned or allocated Assign the Calling ID Path main control isdn_call_profile User access information discarded 43 Network was unable to deliver the access information when trying to establish the call No action needed User alerting no answer 19 During call establi...

Page 76: ...Maintenance and Troubleshooting 5 20 9121 A2 GB20 20 May 1998 This page intentionally left blank ...

Page 77: ...hat provides automatic dial backup and service restoration of failed digital circuits Provides an ISDN U interface Discard Eligibility Part of the frame header that marks a frame for low priority if there is congestion on the network If congestion occurs DE frames are the first to be discarded by the network Data Link Connection Identifier The virtual circuit number corresponding to a particular c...

Page 78: ...ccesses or acts as an interface with the network Network Management System A computer system used for monitoring and controlling network devices A designated port DLCI and EDLCI for the primary data path from the data source so a PVC connection can be established A set of rules that determines the behavior of devices in achieving and maintaining communication Permanent Virtual Circuit A connection...

Page 79: ...ia 2 3 data port rates 1 1 DBM Card Failure 5 7 Download Required 4 5 ISDN BRI backup 1 2 physical performance statistics 4 25 Delete key 2 5 Device Error messages 5 9 Fail 5 2 messages 5 9 monitoring 1 1 Status messages 5 12 diagnostics 1 1 Discovery Frame Relay Timeslot 1 2 LMI Protocol 1 2 discovery method 1 2 displaying identity information 4 1 statistical information 4 22 status information 4...

Page 80: ...1 5 1 Line Status 4 19 Link frame relay statistics 4 26 LMI Down 4 7 frame relay statistics 4 27 LMI Protocol Discovery 1 2 logging in 3 1 out 3 2 LOS at DSX 1 4 7 LOS at Network 4 7 M Main Menu screen branch 2 2 maintenance 5 1 making input selections 2 8 management and IP addressing vi network user interface 2 1 SNMP 1 1 menu branches 2 2 path 2 4 selecting from 2 7 menu driven user interface 1 ...

Page 81: ...y 1 1 2 3 3 3 selecting a field 2 7 from a menu 2 7 Self Test Results messages 4 10 serial number 4 1 session ending 3 4 starting 3 2 shortcuts 1 2 SNMP management 1 1 software revision 4 1 Spacebar 2 5 specifications vi starting a session 3 2 statistics 4 20 clearing 4 30 displaying 4 22 frame relay 4 26 physical 4 22 4 23 4 25 selecting performance intervals for display 4 24 Status Device messag...

Page 82: ...Index IN 4 9121 A2 GB20 20 May 1998 W warranty A worksheets vi Y Yellow at DSX 1 4 9 at Network 4 9 ...

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