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Paradyne 7123 User Manual

Zhone 7123 dsu-csu combo: users guide
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Download this manual See also: Instruction and Installation Manual
7123 SNMP DSU/CSU
User's Guide
Document No. 7123-A2-GB20-00
September 2001

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  • Page 1 7123 SNMP DSU/CSU User’s Guide Document No. 7123-A2-GB20-00 September 2001...
  • Page 2 ACCULINK, COMSPHERE, FrameSaver, Hotwire, MVL, NextEDGE, OpenLane, and Performance Wizard are registered trademarks of Paradyne Corporation. ReachDSL and TruePut are trademarks of Paradyne Corporation. All other products and services mentioned herein are the trademarks, service marks, registered trademarks, or registered service marks of their respective owners. September 2001 7123-A2-GB20-00...

  • Page 3: Table Of Contents

    System Overview ......... Differences Between 7112 and 7123 DSU/CSUs ....
  • Page 4 Time Slot Assignment Status......September 2001 3-10 3-10 3-13 3-16 3-17 3-18 3-19 3-19 3-21 3-22 3-25 3-27 3-30 3-32 3-36 4-10 4-11 4-11 5-10 5-11 5-14 7123-A2-GB20-00...
  • Page 5 Menus ..........7123-A2-GB20-00...
  • Page 6 Cables ..........Index September 2001 B-10 7123-A2-GB20-00...

  • Page 7: About This Guide

    About This Guide Purpose and Intended Audience This document contains information that applies to the 7123 SNMP DSU/CSU unit. It is intended for system designers, engineers, administrators, and operators. The reader should be familiar with the functional operation of digital data communications equipment.

  • Page 8: Product-Related Documents

    Technical Specifications. Equipment List. Lists key terms, acronyms, concepts, and sections. Technical Glossary 7123 SNMP DSU/CSU Installation Instructions OpenLane SLM Reports Reference Guide OpenLane SLM Administrator’s Guide Technical Manuals. September 2001 7123-A2-GB20-00...

  • Page 9: Conventions Used

    Menu selection sequence (Path:) Brackets [ ] Text highlighted in 7123-A2-GB20-00 Used to . . . Indicate variable information (for example, N tt ) . 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.
  • Page 10 About This Guide viii September 2001 7123-A2-GB20-00...

  • Page 11: About The 7123 Snmp Dsu/Csu

    About the 7123 SNMP DSU/CSU System Overview The 7123 SNMP DSU/CSU provides an interface between the T1 digital network and the customer premises equipment, converting signals received from the DTE (Data Terminal Equipment) to bipolar signals that can be transmitted over T1 lines.

  • Page 12: Differences Between 7112 And 7123 Dsu/Csus

    Differences Between 7112 and 7123 DSU/CSUs If you have both models in your network, you should be aware that the 7112 DSU/CSU and 7123 DSU/CSU provide the same basic functions, but are based on different hardware platforms. The following table shows the major differences.

  • Page 13: User Interface And Basic Operation

    Current configuration – How your network is currently configured. Security access level – The security level set by the system administrator for each user. Data selection criteria – What you entered in previous screens. 7123-A2-GB20-00 on page 2-2 on page 2-4 on page 2-5...

  • Page 14: Logging On

    — Number of characters – Up to 10 characters can be entered in the Login ID and Password fields — Case-sensitive – Yes An asterisk (*) appears in the password field for each character entered. Main Menu on page 2-4). You can begin your session. September 2001 7123-A2-GB20-00...
  • Page 15 If your login was . . . Valid Invalid The 7123 DSU/CSU supports two simultaneous sessions. If two sessions are currently active, wait and try again. If two sessions are currently active and you are attempting to access the unit through Telnet, the local Telnet client process returns a Connection refused: message at the bottom of the screen.

  • Page 16: Main Menu

    Control the menu-driven user interface, device naming, login administration, and selecting software releases. You can also initiate a power-on reset of the DSU/CSU. , for a pictorial view of the menu hierarchy, which September 2001 7123 09/09/2001 02:01 Exit 7123-A2-GB20-00...

  • Page 17: Screen Work Areas

    Ctrl-a to access these functions, ESC for previous menu Function Keys Area Save Message Area Screen Format Menu Path Device Name 7123 Screen Area Function Keys Area Message Area 7123-A2-GB20-00 2. User Interface and Basic Operation Model Number Date and Time...

  • Page 18: Navigating The Screens

    Move cursor one character to the left if in edit mode. Redraw the screen display, clearing information typed in but not yet entered. Accept entry or, when pressed before entering data or after entering invalid data, display valid options on the last row of the screen. September 2001 7123-A2-GB20-00...

  • Page 19: Function Keys

    S or s R or r C or c U or u D or d 7123-A2-GB20-00 2. User Interface and Basic Operation on page 2-5) operate the same way throughout the screens. For the screen function . . . And press Enter to . . .

  • Page 20: Selecting From A Menu

    3. Press Enter. The function is performed. To return to the screen area, press Ctrl-a again. to position the cursor on a menu to move the cursor to the bottom of the Screen Work Areas September 2001 on page 2-5). 7123-A2-GB20-00...

  • Page 21: Selecting A Field

    If a field is blank and the Message area displays valid selections, press the spacebar; the first valid setting for the field appears. Continue pressing the spacebar to scroll through other possible settings. 7123-A2-GB20-00 2. User Interface and Basic Operation September 2001...
  • Page 22 2. User Interface and Basic Operation 2-10 September 2001 7123-A2-GB20-00...

  • Page 23: Configuration

    — — Configuring the Ethernet Port — Configuring the Communication Port — Configuring the COM Port to Support an External Modem 7123-A2-GB20-00 on page 3-2 on page 3-8 on page 3-9 on page 3-10 on page 3-16 September 2001 on page 3-7...
  • Page 24 Configuration option settings determine how the 7123 SNMP DSU/CSU operates. Use the DSU/CSU’s Configuration Edit/Display menu to display or change configuration option settings. The Configuration Edit/Display menu of the 7123 DSU/CSU is shown below. Configuration Menu main/config Device Name: Node A...
  • Page 25 Configuration Option Area Current Configuration Customer Configuration 1 Customer Configuration 2 Default Factory Configuration 7123-A2-GB20-00 Configuration Option Tables Description The currently active set of configuration options. An alternate set of configuration options that the customer can set up and store for future use.
  • Page 26 The selected set of configuration options is loaded into the configuration edit area and the Configuration Edit/Display menu appears. This sequence of steps would be shown as the menu selection sequence: Main Menu Configuration September 2001 so the cursor is on 7123-A2-GB20-00...
  • Page 27 — Security Access Level 2 users can only view configuration options and run tests. — Security Access Level 3 users can only view configuration options; they cannot change configuration options or run tests. 7123-A2-GB20-00 Data Ports Chapter 2, User Interface and , for additional information.
  • Page 28 — Saving your configuration changes would cause configuration — If you are making changes and someone else makes changes and are not saved. changes made via another method to be lost. saves them, your changes would be lost. September 2001 7123-A2-GB20-00...

  • Page 29: Entering System Information And Setting The System Clock

    NOTE: To clear existing information, place the cursor in the Clear field (Tab to the Clear field) and press Enter. Chapter 4, Security and 7123-A2-GB20-00 Control System Information Enter the . . . Unique name for device identification of up to 20 characters.

  • Page 30: Configuration Option Tables

    Table 3-5, General SNMP Management Options Table 3-6, Telnet and FTP Session Options Table 3-7, SNMP NMS Security Options Table 3-8, SNMP Traps Options Table 3-9, Ethernet Management Options Table 3-10, Communication Port Options Table 3-11, External Modem (COM Port) Options September 2001 7123-A2-GB20-00...

  • Page 31: Configuring The Overall System

    DSU/CSU and the clocks for all of the external interfaces. Net1 – The primary clock is derived from the Network1 interface. Internal – The primary clock is the internal clock. 7123-A2-GB20-00 Table 3-1, General System Configuration...

  • Page 32: Configuring The Physical Interfaces

    Specifies the line build out for the signal transmitted to the network. 0.0, –7.5, –15, –22.5 – Specifies line build out in dB. 3-10 Table 3-2, Network Physical Interface Configuration Network Physical Network Physical Interface Options (1 of 3) September 2001 7123-A2-GB20-00...
  • Page 33 Display Conditions – This option only appears when Line Framing Format is set to ESF. Enable – Generates and sends PRMs. Disable – Does not generate and send PRMs. 7123-A2-GB20-00 Network Physical Interface Options (2 of 3) September 2001 3. Configuration...
  • Page 34 Clears when fewer than 10 CRC6 errors are , 10 , 10 , 10 condition occurs. Clears when fewer than 42 CRC6 , 10 , 10 , 10 , or 10 condition occurs. Clears when fewer than September 2001 7123-A2-GB20-00...

  • Page 35: Configuring The User Data Port

    External – The DTE provides the clock for the transmitted data, and the DSU/CSU uses the interchange circuit DA (ITU 113) – Transmit Signal Element Timing (XTXC) (DTE source) for timing the incoming data. 7123-A2-GB20-00 Table 3-3, Data Port Physical Interface Configuration...
  • Page 36 Local – The DTE attached to the port controls the local external DTE Loopback. Disable – The DTE attached to the port cannot control the local external DTE Loopback. 3-14 Data Port Physical Interface Options (2 of 3) September 2001 7123-A2-GB20-00...
  • Page 37 ANSI T1.403, Annex B standard are recognized and control initiation and termination of a DCLB for the network link. The actuate and release sequences do not need to match (for example, a DCLB started with a V.54 actuate sequence can be stopped with an FT1 release sequence). 3-15 7123-A2-GB20-00 September 2001...

  • Page 38: Assigning Time Slots/Cross Connections

    You can also clear cross-connection assignments for the unit, or for a selected interface. NOTE: Although it is not required, progressing through each screen in order, from top to bottom, helps to minimize errors. Use the following procedures to assign cross connections. 3-16 September 2001 7123-A2-GB20-00...

  • Page 39: Assigning The Synchronous Data Port To Network Time Slots

    -------------------------------------------------------------------------------- Ctrl-a to access these functions, ESC for previous menu Save Value Assign To N tt Available Port-1 7123-A2-GB20-00 Configuration Time Slot Assignment SYNC DATA PORT ASSIGNMENT Assign To: Net1 ClearAll Meaning Specifies Net1 (network) time slots. This field represents time slot tt of the network interface.

  • Page 40: Clearing Assignments

    4. Repeat Step 3 until the synchronous data port is assigned to all desired time slots. 5. Save the configuration. Clearing Assignments Clearing assignments sets all time slots to Unassgn (unassigned). Main Menu 3-18 Configuration Time Slot Assignment Configuration Time Slot Assignment September 2001 Clear Assignments 7123-A2-GB20-00...

  • Page 41: Setting Up Management And Communication Options

    Clear – Fills the node subnet mask with zeros. When the node’s subnet mask is all zeros, the IP protocol creates a default subnet mask based upon the class of the IP address: Class A: 255.000.000.000, Class B: 255.255.000.000, or Class C: 255.255.255.000. 7123-A2-GB20-00 Table 3-4, Node IP Configuration...
  • Page 42 Ethernet port’s Interface Status option is enabled. When selected, the Default Gateway Address must also be configured (see Options). 3-20 Node IP Options (2 of 2) Table 3-10, Communication Port September 2001 Options). Table 3-9, Ethernet Management 7123-A2-GB20-00...
  • Page 43 MIB. ASCII text entry – Adds to or changes Community Name 2 (maximum 255 characters). Clear – Clears Community Name 2. 7123-A2-GB20-00 Table 3-5, General SNMP Management Configuration Management and...
  • Page 44 Enable – Requires a login to access a Telnet session. Disable – Does not require a login. 3-22 General SNMP Management Options (2 of 2) Options). Configuration Management and Communication Telnet and FTP Session Options (1 of 3) September 2001 7123-A2-GB20-00...
  • Page 45 Sets the amount of keyboard inactive time allowed before a user session is disconnected. Display Conditions – This option does not appear when Inactivity Timeout is disabled. 1 – 60 – Up to an hour can be set. 7123-A2-GB20-00 Telnet and FTP Session Options (2 of 3) Options).
  • Page 46 Enable – User is prompted for a login ID and password. Disable – No login is required for an FTP session. 3-24 Telnet and FTP Session Options (3 of 3) September 2001 7123-A2-GB20-00...
  • Page 47 Display Conditions – This option appears for each trap manager specified in the Number of Trap Managers configuration option. 001.000.000.000 – 223.255.255.255 – Adds to or changes the NMS IP address. Clear – Fills the NMS IP address with zeros. 7123-A2-GB20-00 Table 3-7, SNMP NMS Security Configuration Management and Communication...
  • Page 48 MIB RFCs. Read/Write – Allows read and write access (SNMP Get and Set commands) to the MIB objects. However, access for all read-only objects is specified as read-only. 3-26 SNMP NMS Security Options (2 of 2) September 2001 7123-A2-GB20-00...
  • Page 49 Number of Trap Managers configuration option. 001.000.000.000 – 223.255.255.255 – Adds to or changes the IP address for the trap manager. Clear – Fills the NMS IP address with zeros. 7123-A2-GB20-00 Table 3-8, SNMP Traps Configuration Management and Communication , for trap format standards and special...
  • Page 50 Down – Sends trap messages for linkDown events only. Both – Sends trap messages for linkUp and linkDown events. 3-28 SNMP Traps Options (2 of 3) Table 3-4, Node IP Table 3-9, Ethernet Management Options). September 2001 Options). Options). 7123-A2-GB20-00...
  • Page 51 Ports – Generates these trap messages for linkUp, linkDown, and enterpriseSpecific events on the user data port only. All – Generates these trap messages for linkUp and enterpriseSpecific events on all interfaces, except for the COM port, that are applicable to the model. 3-29 7123-A2-GB20-00 September 2001...
  • Page 52 Clear – Fills the subnet mask associated with the IP address with zeros. 3-30 Table 3-9, Ethernet Management Configuration Management and Communication Ethernet Management Options (1 of 2) Table 3-8, SNMP Traps Options). September 2001 Options). Table 3-4, Node IP Options) is Table 3-4, Node IP 7123-A2-GB20-00...
  • Page 53 001.000.000.000 – 223.255.255.255 – Shows the IP address for the port, which can be viewed or edited (i.e., a router on the LAN). Clear – Fills the default gateway’s IP address with zeros. 3-31 7123-A2-GB20-00 September 2001...
  • Page 54 Even – Makes the sum of all 1 bits and its corresponding parity bit always even. Odd – Makes the sum of all 1 bits and its corresponding parity bit always odd. 3-32 Options). Configuration Management and Communication September 2001 Table 3-10, Table 3-4, Node IP Options) 7123-A2-GB20-00...
  • Page 55 Level-2 – Allows limited access and control of the device. The user can monitor and perform diagnostics, display status and configuration option information. Level-3 – Allows limited access with monitoring control only. The user can monitor and display status and configuration screens only. 7123-A2-GB20-00 September 2001 3. Configuration 3-33...
  • Page 56 Clear – Clears the subnet mask for the COM port and fills the address with zeros. When the node subnet mask is all zeros, the IP protocol creates a default subnet mask based upon the IP address class: Class A: 255.000.000.000, Class B: 255.255.000.000, or Class C: 255.255.255.000. 3-34 September 2001 7123-A2-GB20-00...
  • Page 57 NOTE: The router must be configured to receive RIP on the port connected to the COM port, configured as the management interface. To create this management interface, make sure that Node or COM Port IP information has been set up (refer to Configuring Node IP Information 7123-A2-GB20-00 on page 3-19). September 2001 3. Configuration...
  • Page 58 Enable – Answers incoming calls and establishes connection to the remote terminal or IP network. Disable – Does not answer incoming calls. 3-36 Options). Configuration Management and Communication in Appendix C, Connectors, Cables, and Pin Assignments , for cable pin September 2001 Standard EIA-232-D Crossover 7123-A2-GB20-00...

  • Page 59: Security And Logins

    Assigning SNMP Community Names and Access Levels Limiting SNMP Access through IP Addresses — Creating a Login Modifying a Login Deleting a Login 7123-A2-GB20-00 on page 4-2 on page 4-2 on page 4-4 on page 4-4 on page 4-7 on page 4-10...
  • Page 60 4. Security and Logins Limiting Access The 7123 SNMP DSU/CSU provides access security on the following interfaces: Asynchronous (async) terminal Telnet SNMP Up to two direct or Telnet sessions can be active at any given time; that is, you can...
  • Page 61 Level-3 or Level-2 NOTE: Should you be locked out inadvertently, see Restoring Communication 3. Save your changes. 7123-A2-GB20-00 Configuration Management and Communication Set the configuration option . . . Login Required to Enable. NOTE: User ID and password combinations must be defined.

  • Page 62: Controlling External Com Port Device Access

    The DSU/CSU provides several methods for limiting access via a Telnet or FTP session. Telnet or FTP access can be on a standard management link or on a service provider’s troubleshooting (TS) management link. Configuration Management and Communication September 2001 in Chapter 3, 7123-A2-GB20-00...

  • Page 63: Limiting Telnet Access

    Require a login Assign an access level 3. Save your changes. Configuring Telnet and/or FTP Session Support for more information about setting Telnet configuration options. 7123-A2-GB20-00 Configuration Management and Communication Set the configuration option . . . Telnet Session to Disable.

  • Page 64: Limiting Ftp Access

    Level-1. Level-1 access is required to download software to the unit, or to upload or download configuration files. Level-3 is sufficient for NMS access for SLV historical information. in Chapter 3, Configuration, September 2001 on page 4-10. 7123-A2-GB20-00...

  • Page 65: Controlling Snmp Access

    General SNMP Management 2. Disable the SNMP Management option. 3. Save your change. Configuring General SNMP Management more information about General SNMP Management configuration options. 7123-A2-GB20-00 Configuration Management and Communication in Chapter 3, Configuration, for September 2001 4. Security and Logins...

  • Page 66: Assigning Snmp Community Names And Access Levels

    Set the configuration option . . . Community Name 1 and Community Name 2 to a community name text, up to 255 characters in length. Name 1 Access and Name 2 Access to Read or Read/Write. in Chapter 3, Configuration, for September 2001 7123-A2-GB20-00...

  • Page 67: Limiting Snmp Access Through Ip Addresses

    Specify the access allowed for an authorized NMS when IP address validates is performed 3. Save your changes. Configuring SNMP NMS Security information about SNMP NMS Security configuration options. 7123-A2-GB20-00 Configuration Management and Communication SNMP Management: Enable in Chapter 3, Configuration, for Configuration Management and Communication Set the configuration option .

  • Page 68: Creating A Login

    CAUTION: Make sure at least one login is set up for Level-1 access or you may be inadvertently locked out. Resetting the Unit and in Chapter 6, Troubleshooting . in Chapter 3, Configuration, for more September 2001 7123-A2-GB20-00...

  • Page 69: Modifying A Login

    When the deletion is complete, the number of login pages/records reflects one less record, and the record before the deleted record reappears. Example: Page 2 of 4 is changed to Page 2 of 3. 7123-A2-GB20-00 Control Administer Logins September 2001 4.
  • Page 70 4. Security and Logins 4-12 September 2001 7123-A2-GB20-00...

  • Page 71: Operation And Maintenance

    FTP File Transfers FTP File Transfers — Upgrading System Software Determining Whether a Download Is Complete — Changing Software — 7123-A2-GB20-00 on page 5-2 on page 5-3 on page 5-6 on page 5-10 , which includes: on page 5-15 on page 5-17...
  • Page 72 5. Operation and Maintenance Displaying System Information Use the Identity screen to view identification information about the 7123 SNMP DSU/CSU. This information is useful if you are purchasing additional or replacement units and/or making firmware upgrades. Main Menu View this field . . .

  • Page 73: Viewing Leds And Control Leads

    Viewing LEDs and Control Leads The 7123 SNMP DSU/CSU’s faceplate includes LEDs (light-emitting diodes) that provide status on the unit and its interfaces. FT1/T1 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.

  • Page 74: Led Descriptions

    Yellow ON – Loopback or test pattern is in progress, initiated locally, remotely, or from the network. OFF – No tests are active. September 2001 Table 5-3, User Data Port LED, Health and Status on page 5-12 for additional 7123-A2-GB20-00...
  • Page 75 Table 5-2. Label Table 5-3. Label 7123-A2-GB20-00 Network Interface LEDs Indication Color What It Means Signal Green ON – A recoverable signal is present on the network interface. OFF – The signal cannot be recovered from the network interface. An LOS condition exists.

  • Page 76: Device Messages

    Changing Software page 5-26. Try again, making sure you type the filename correctly. Exit the FTP session, or download another file. Changing Software page 5-26. Reenter information using valid characters. Reenter the date in the month/day/4-digit year format. 7123-A2-GB20-00...
  • Page 77 Limit of six Login IDs reached No Security Records to Delete Password Matching Error – Re-enter Password 7123-A2-GB20-00 Device Messages (2 of 4) What It Indicates A non-valid date or time was entered on the System Information screen. The date does not exist (e.g., February 30th).
  • Page 78 No action is needed. Contact service provider if test initiated by the network. Wait until the test ends and message clears. Cancel all tests from the Test screen (Path: main/test). Stop the test from the same screen the test was started from. 7123-A2-GB20-00...
  • Page 79 Table 5-4. Message User Interface Already in Use User Interface Idle 7123-A2-GB20-00 Device Messages (4 of 4) What It Indicates Two Telnet sessions are already in use when an attempt to access the menu-driven user interface through the COM port is made.

  • Page 80: Status Information

    5. Operation and Maintenance Status Information Status information is useful when monitoring the DSU/CSU. The following illustration shows the Status menu for the 7123 DSU/CSU. Status Menu main/status Device Name: Node A -------------------------------------------------------------------------------- Ctrl-a to access these functions, ESC for previous menu NOTE: Status messages in the following sections are in alphabetical order.

  • Page 81: System And Test Status Messages

    This field indicates the last time the DSU/CSU was reset. It appears after the Self-Test Results field at the top of the System and Test Status screen. Date is in mm/dd/yyyy format (month/day/year). Time is in mm:ss format (minutes:seconds). 7123-A2-GB20-00 Status System and Test Status Self-Test Results Messages...
  • Page 82 5. Operation and Maintenance Health and Status Messages The following table provides Health and Status messages that apply to the 7123 DSU/CSU. Table 5-6. Message AIS at Network 1 CTS down to Port-1 Device DTR Down from Port-1 Device EER at Network 1...
  • Page 83 Monitor Pttn Active, [Interface] No Test Active PLB Active, Network 1 Send Pttn Active, [Interface] 7123-A2-GB20-00 Health and Status Messages (2 of 2) What It Indicates A failure of the primary clock source configured for the unit is detected and the unit’s internal clock is providing the timing.

  • Page 84: Time Slot Assignment Status

    The time slot is unassigned. The synchronous data port (Port-1) is assigned to the network interface time slot (01 to 24). September 2001 in Chapter 3, Configuration , Network 7123 09/09/2001 05:03 Unassign Unassign Unassign Unassign Unassign Unassign Unassign Unassign Unassign MainMenu...

  • Page 85: Ip Routing Table

    The table is sorted by the Destination IP address, from the lowest number to the highest. If no routes exist, the No Routes message appears instead of routing information. Table 5-8. Column Destination Mask Gateway 7123-A2-GB20-00 Status IP Routing Table IP ROUTING TABLE Mask Gateway 255.255.255.000 135.042.001.254 255.255.255.000...
  • Page 86 COM: Communications port Ethernet: Ethernet port Internal: The interface to be used for software loopbacks or internal device functions in order to reach the destination. The Time to Live that was set for the route, in seconds: 1–999 September 2001 7123-A2-GB20-00...

  • Page 87: Performance Statistics

    Performance Statistics Menu main/status/performance Device Name: Node A -------------------------------------------------------------------------------- Ctrl-a to access these functions, ESC for previous menu 7123-A2-GB20-00 Status Performance Statistics PERFORMANCE STATISTICS ESF Line Ethernet Clear All Statistics September 2001 5.

  • Page 88: Clearing Performance Statistics

    To clear all statistics: Performance Statistics Procedure To clear specific statistics: Use the ClrNearStats or ClrFarStats function key to reset all near-end or all far-end Extended SuperFrame (ESF) line performance statistics. Performance Statistics 5-18 Clear All Statistics ESF Line September 2001 7123-A2-GB20-00...

  • Page 89: Esf Line Performance Statistics

    Bracketing a selected interval or time Occurring on and after a selected interval or time 7123-A2-GB20-00 Status Performance Statistics You must enter an interval or time on . . . Line 10. The display will include the selected interval plus the 6 intervals recorded before it.
  • Page 90 Near Far Near Far 00010 00000 00000 00010 00000 00000 PgDn PgUp ClrFarStats ClrNearStats September 2001 7123 09/09/2001 05:06 ESF Error Events Near = 15 Far = 12 --BES-- --CSS-- -LOFC-- Near Far Near Far Near Far 00000 00000 MainMenu...
  • Page 91 Controlled Slip Seconds (CSS) Loss of Frame Count (LOFC) Worst Interval 7123-A2-GB20-00 5. Operation and Maintenance What It Indicates Any second with one or more ESF Error events. Any second in which service is unavailable. Begins incrementing at the onset of 10 consecutive seconds of severely errored seconds (SES), and stops incrementing after 10 consecutive seconds of no SESs.

  • Page 92: Ethernet Performance Statistics

    The number of failed frame transmissions due to excessive collisions. The number of times the carrier sense condition was lost, or was never asserted, during frame transmissions. The number of delayed first transmissions due to the line being busy. September 2001 Ethernet 7123-A2-GB20-00...

  • Page 93: Ftp File Transfers

    Before putting a download file, you must use the bin binary command to place the data connection in binary transfer mode. You initiate an FTP session to a 7123 DSU/CSU in the same way as you would initiate an FTP to any other IP-addressable device.
  • Page 94 DSU/CSU. If file2 is not specified, the file will be named file1 on the DSU/CSU. Same as a get. Same as a put. Print the name of the current directory of the DSU/CSU. Places the FTP session in binary-transfer mode. September 2001 in Chapter 4, 7123-A2-GB20-00...

  • Page 95: Upgrading System Software

    If the message displayed is . . . nam.ocd: File Transfer Complete nam.ocd: File Transfer Failed – Invalid file 7123-A2-GB20-00 Table 3-10, Communication Port Options, Then . . . The download was successful. The file is loaded into system memory.

  • Page 96: Determining Whether A Download Is Complete

    Alternate Software Revision field. Displaying System Information unit’s Identity screen. 5-26 Status Identity Control Select Software Release on page 5-25 if this occurs. Status Identity on page 5-2 to see what is included on the September 2001 Upgrading 7123-A2-GB20-00...

  • Page 97: Troubleshooting

    Send Line Loopback — Send and Monitor Pattern Tests — — DTE Loopback IP Ping Test Lamp Test 7123-A2-GB20-00 on page 6-2 on page 6-5 on page 6-8 on page 6-9 on page 6-10 on page 6-12 on page 6-18...

  • Page 98: Problem Indicators

    6. Troubleshooting Problem Indicators The 7123 SNMP DSU/CSU provides a number of indicators to alert you to possible problems: Indicators . . . LEDs Health and status Performance statistics Alarm conditions that will generate an SNMP trap SNMP traps See . . .
  • Page 99 2. Select Reset Device and press Enter. The Are You Sure? prompt appears. 3. Type y (Yes) and press Enter. The unit reinitializes itself, performing a self-test. Resetting the Unit By Cycling the Power Disconnecting, then reconnecting the power cord resets the unit. 7123-A2-GB20-00 September 2001 6. Troubleshooting...

  • Page 100: Restoring Communication With An Improperly Configured Unit

    All configuration and control settings are reset to the Default Factory Configuration, overwriting the current configuration. Unit resets itself. CAUTION: This causes the current configuration to be destroyed and a self-test to be performed. September 2001 on page 6-3 7123-A2-GB20-00...
  • Page 101 CTS down to Port-1 Device DTR Down from Port-1 Device EER at Network 1 Ethernet Link Down 7123-A2-GB20-00 Conditions, describes the alarm conditions that will generate an Status System and Test Status Alarm Conditions (1 of 3) What It Indicates...
  • Page 102 Check that the network cable is securely attached at both ends. Contact your network provider. Reset the unit. Contact your service representative. Wait until no other Level-1 users are accessing the unit if testing or configuration will be performed. 7123-A2-GB20-00...
  • Page 103 Table 6-1. Alarm Condition Yellow at Network 1 7123-A2-GB20-00 Alarm Conditions (3 of 3) What It Indicates A yellow alarm signal is received on the network interface. Network cable problem. T1 facility problem. September 2001 6. Troubleshooting What To Do...

  • Page 104: Troubleshooting Device Problems

    Contact your service representative and provide the 8-digit failure code. Run the Lamp Test. If the LED in question does not flash with the other LEDs, then contact your service representative. Reconnect or repair the cable. Call the network service provider. 7123-A2-GB20-00...

  • Page 105: Tests Available

    Tests Available The following tests are available to the 7123 DSU/CSU. Test Menu Example main/test Device Name: Node A -------------------------------------------------------------------------------- Ctrl-a to access these functions, ESC for previous menu Tests can be commanded from the OpenLane SLM system using its enhanced Diagnostic Troubleshooting graphical interface, as well as from the menu-driven user interface.

  • Page 106: Test Timeout Feature

    5. View the length of time that the test has been running in the Result column. 6-10 in Chapter 3, Configuration ). Aborting All Tests on page 6-11. The only command available is . . . Start Stop Test September 2001 7123-A2-GB20-00...

  • Page 107: Aborting All Tests

    2. Select Abort All Tests and press Enter. Command Complete appears when all tests on all interfaces have been stopped. NOTE: Abort All Tests does not interrupt DTE-initiated loopbacks. 7123-A2-GB20-00 Starting and Stopping a Test on page 6-10. Test September 2001 6.

  • Page 108: Physical Tests

    6. Troubleshooting Physical Tests A 7123 DSU/CSU’s physical tests screen for the network interface is shown below. Main Menu Physical Tests Screen Example main/test/network Device Name: Node A Test Local Loopbacks Line Loopback: Payload Loopback: Remote Loopbacks Send Line Loopback: Down...

  • Page 109: Line Loopback

    An LLB cannot be started when one of the following tests is active: Payload Loopback, Send Remote Line Loopback, or an active Monitor Pattern on this network interface. Send Pattern test on this network interface. 7123-A2-GB20-00 Test Network Physical Tests Framer September 2001 6.

  • Page 110: Payload Loopback

    A PLB cannot be started when one of the following tests is active: Line Loopback, Repeater Loopback, Send Remote Line Loopback, or an active Monitor Pattern on this network interface. Send Pattern test on this network interface. 6-14 Test Network Physical Tests Framer September 2001 The T1 Interface 97-15337 7123-A2-GB20-00...

  • Page 111: Send Line Loopback

    — Down: Takes the remote device out of loopback. 3. Highlight Send and press Enter to start the test. The code is sent for 10 seconds. 4. View the length of time that the test has been running in the Result column. 7123-A2-GB20-00 Test Network Physical Tests Test...

  • Page 112: Send And Monitor Pattern Tests

    6. View the length of time that the test has been running in the Result column. 6-16 — 511 — 2047 — 2E15-1 (215-1) — 2E20-1 (220-1) — User-defined 2-byte test pattern (a0a0) Test Network Physical Tests September 2001 7123-A2-GB20-00...

  • Page 113: Dte Loopback

    An attached device or test equipment must generate the data to be looped back. User Data DTLB Port CAUTION: Any IP data being sent while this test is active will be disrupted. 7123-A2-GB20-00 Test Data Port Physical Tests Network Port 99-16284 September 2001 6.

  • Page 114: Ip Ping Test

    — When the test is finished, Alive. Latency = nn ms should appear as the Status ( nn being the amount of time the test took in milliseconds). If any other message is displayed, additional testing will be required. 6-18 Configuration Management and Communication Test IP Ping September 2001 7123-A2-GB20-00...

  • Page 115: Lamp Test

    Main Menu If the Test Timeout configuration option is enabled and a Test Duration is set, the Lamp Test stops when the test duration expires. See page 6-10 for additional information. 7123-A2-GB20-00 Test Lamp Test September 2001 6. Troubleshooting...
  • Page 116 6. Troubleshooting 6-20 September 2001 7123-A2-GB20-00...

  • Page 117: A Menu Hierarchy

    Menu Hierarchy Menus The following menus are a graphical representation of the 7123 SNMP DSU/CSU’s menu organization. 7123-A2-GB20-00 September 2001...
  • Page 118 Select Software Release • Current Release • Alternate Release • Switch & Reset September 2001 MAIN MENU Status Test Configuration Control MAIN MENU Status Test Configuration Control MAIN MENU Status Test Configuration Control MAIN MENU Status Test Configuration Control 01-17033 7123-A2-GB20-00...

  • Page 119: Mib Support

    Paradyne Indexes to the Interface Table (ifTable) Standards Compliance for SNMP Traps — Trap: warmStart Trap: authenticationFailure — Traps: linkUp and linkDown — — Traps: enterprise-Specific 7123-A2-GB20-00 on page B-2 on page B-2 on page B-3 on page B-4 on page B-4 September 2001...
  • Page 120 B. SNMP MIBs and Traps MIB Support The 7123 SNMP DSU/CSU supports the SNMP Version 1, and has the capability of being managed by any industry-standard SNMP manager and accessed by external SNMP managers using the SNMP protocol. The following MIBs are supported:...

  • Page 121: System Group (Mib-2)

    System Group (mib-2) This section provides the system description and system object identifier for the System Group for the 7123 DSU/CSU, which is an SNMPv1 MIB. DSU/CSU’s sysDescr (system 1) The following is the system description (sysDescr [system 1]) for the NMS subsystem in the 7123 DSU/CSU: PARADYNE T1 DSU/CSU;...

  • Page 122: Interfaces Group (Mib-2)

    Ethernet Port Ethernet Port; T1 DSU/CSU; Hardware Version: hhhh-hhh Synchronous Data Synchronous Data Port, Port-1 Slot: 1, Port: 1; T1 DSU/CSU; Hardware Version: hhhh-hhh Communications port COM Port; T1 DSU/CSU; Hardware Version: hhhh-hhh September 2001 ifIndex 101001001 101006001 101003001 101004001 7123-A2-GB20-00...

  • Page 123: Trap: Warmstart

    Table B-2. Trap warmStart Trap: authenticationFailure This trap indicates that access to the DSU/CSU was unsuccessful due to lack of authentication. Table B-3. Trap authenticationFailure 7123-A2-GB20-00 warmStart Trap What It Indicates DSU/CSU has just reinitialized and stabilized itself. Variable-Binding devLastTrapString (devHealthAndStatus.mib)

  • Page 124: Traps: Linkup And Linkdown

    One of the failed communication interfaces is up and operational. September 2001 Possible Cause A failure in one of the communication interfaces has occurred. One of the failed communication interfaces is up and operational. Table B-5, linkUp and linkDown 7123-A2-GB20-00...
  • Page 125 The RTS alarm condition will only generate a linkUp/linkDown trap if the DTE supports the RTS lead state. A linkUp/linkDown trap is based solely upon whether the interface is enabled or disabled. 7123-A2-GB20-00 linkUp and linkDown Variable-Bindings (1 of 2) Variable-Bindings ifIndex (RFC 1573)
  • Page 126 (devHealthAndStatus.- mib) September 2001 Possible Cause linkDown – Communication is not possible over the Ethernet port. Strings: ‘$ifString down.’ ‘$ifString administratively shutdown.’ (Due to an intentional shutdown.) linkUp – Communication on the port is restored. String: ‘$ifString up.’ 7123-A2-GB20-00...

  • Page 127: Traps: Enterprise-Specific

    These traps indicate that an enterprise-specific event has occurred. Supported enterprise-specific traps are listed below. Table B-6. Trap enterpriseConfig- Change(6) enterprisePrimary- ClockFail(1) enterprisePrimary- ClockFailClear(101) enterpriseSelfTest- Fail(2) enterpriseTest- Start(5) 7123-A2-GB20-00 enterprise-Specific Traps and Variable-Bindings Variable-Bindings devLastTrapString (devHealthAndStatus.- mib) devLastTrapString (devHealthAndStatus.- mib) devLastTrapString (devHealthAndStatus.- mib) For physical interfaces: ifIndex (RFC 1573) .0.0 (placeholder)

  • Page 128: Physical Interface Alarm Defaults

    D = Delta. Indicates that the calculated difference between the current value and the previous value is contained in the MIB. I in the OID = Interface ID of the link. B-10 Event Interval Type 900 secs Rising (15 mins) September 2001 Rising Falling Threshold Threshold Default Default 7123-A2-GB20-00...

  • Page 129: C Connectors, Cables, And Pin Assignments

    This appendix shows the DSU/CSU’s front and rear panels, and the pin assignments for the connectors/interfaces and cables. Front Panel The following illustration shows the 7123 SNMP DSU/CSU’s front panel. FT1/T1 Viewing LEDs and Control Leads for information about the front panel LEDs.

  • Page 130: T1 Network Interface

    Transmit Ring Transmit Tip Circuit RJ48C Plug Unkeyed Blue White/Blue Orange White/Orange White/Orange September 2001 Direction Pin Number From Network From Network To Network To Network DA15P Plug Blue Receive Ring Receive Tip White/Blue Orange Transmit Ring Transmit Tip 98-16215 7123-A2-GB20-00...

  • Page 131: Com Port Connector

    DCE Data Set Ready (DSR) Signal Ground (GND) DCE Carrier Detect (CD) DCE Data Terminal Ready (DTR) * Pins 5, 6, and 8 are tied together. 7123-A2-GB20-00 C. Connectors, Cables, and Pin Assignments Direction — From DTE (In) To DTE (Out)

  • Page 132: Standard Eia-232-D Crossover Cable

    Pin 1 Pin 13 Pin 25 Chassis Ground Signal Ground CD (RLSD) Configuring an External Modem Plug XTXC September 2001 on page C-5 Pin 1 Plug Pin 14 Pin 25 Pin 13 Chassis Ground Signal Ground CD (RLSD) XTXC 496-15180 7123-A2-GB20-00...

  • Page 133: Configuring An External Modem

    &C0 &D2 &S0 &R1 S0=1 7123-A2-GB20-00 C. Connectors, Cables, and Pin Assignments on page C-4 for an illustration of the COM Port To configure the modem to . . . Force LSD on. Drop the connection when the unit drops DTR.

  • Page 134: Data Port Connector

    From DSU (Out) To DSU (In) From DSU (Out) From DSU (Out) From DSU (Out) September 2001 34-Pin Socket P (A) S (B) R (A) T (B) U (A) W (B) V (A) X (B) Y (A) AA (B) 7123-A2-GB20-00...

  • Page 135: Ethernet Port Connector

    RJ45 Ethernet port unkeyed modular jack. Signal 10BaseT Transmit Data (TD+) 10BaseT Transmit Data (TD–) 10BaseT Receive Data (RD+) 10BaseT Receive Data (RD–) 7123-A2-GB20-00 C. Connectors, Cables, and Pin Assignments Direction To LAN Interface (Out) To LAN Interface (Out) From LAN Interface (In)
  • Page 136 C. Connectors, Cables, and Pin Assignments September 2001 7123-A2-GB20-00...

  • Page 137: Technical Specifications

    Technical Specifications Table D-1. 7123 SNMP DSU/CSU Technical Specifications (1 of 2) Specification Approvals FCC Part 15 FCC Part 68 Industry Canada Safety Physical Environment Operating temperature Storage temperature Relative humidity Shock and vibration Power Consumption and Dissipation Physical Dimensions...
  • Page 138 D. Technical Specifications Table D-1. 7123 SNMP DSU/CSU Technical Specifications (2 of 2) Specification T1 Network Interface Data rates Services supported Physical interface (USA) Physical interface (Canada) Framing format Coding format Line Build-Out (LBO) ANSI PRM Bit stuffing Ethernet Port...
  • Page 139 7123 SNMP DSU/CSU 7123 SNMP DSU/CSU Includes 1-Slot Housing, 120 Vac Power Supply, Network Cable, and Installation Instructions. User Manual 7123 SNMP DSU/CSU User’s Guide (Paper Manual) NMS Products OpenLane SLM Enterprise OpenLane SLM Workgroup 7123-A2-GB20-00 on page E-2 for cables you can order.
  • Page 140 For connection to equipment with V.35 , MS34 connectors. Standard EIA-232-D Crossover Cable (14 feet / 4.3 meters) – For connection to an external device. Part Number 035-0209-2031 035-0221-2031 035-0314-1431 035-0313-1431 035-0244-0031 035-0336-1431 September 2001 Feature Number 3100-F1-500 3100-F1-510 3100-F2-540 3100-F2-550 3100-F1-570 9008-F1-550 7123-A2-GB20-00...
  • Page 141 2-9 branches/menus, 2-4 changing configuration options, 3-5 software release, 5-26 Character Length, 3-32 matching, 2-9 Circuit Identifier, 3-12 7123-A2-GB20-00 Clearing cross connection assignments, 3-16 existing information, 3-7 statistics, 5-18 Clock Invert Transmit, 3-13 setting system, 3-7 Source, 3-9...
  • Page 142 Login Required, 3-24 Session, 3-24, 4-6 function keys, 2-5, 2-7 Gateway Address, 5-15 Default, 3-31 General LEDs, 5-4 options, 3-9 SNMP management options, 3-21 Traps, 3-28 glossary, vi hardware revision NAM, 5-2 Health and Status messages, 5-12 Hop, 5-15 September 2001 7123-A2-GB20-00...
  • Page 143 SNMP access, 4-7 through IP addresses, 4-9 Telnet access, 4-5 Line Build Out (LBO), 3-10 Coding Format, 3-10 Framing Format, 3-10 Loopback, 6-13 7123-A2-GB20-00 Link Traps, 3-28 Traps Interfaces, 3-29 linkUp and linkDown events, 3-28 traps, B-6 LLB, 6-13, 6-15...
  • Page 144 3-18 communication options, 3-32 connector pin assignments, C-6 Ethernet connector pin assignments, C-7 interface status, 3-30 LED, 5-5 Use, 3-32 Primary Clock Failed, 5-13, 6-6 Source, 3-9 problem indicators, 6-2 product-related documents, vi Proprietary RIP, 3-28 September 2001 7123-A2-GB20-00...
  • Page 145 Session Access Level, 3-23, 4-5 ending, 2-3 starting, 2-2 setting Date & Time (system clock), 3-7 date and time, 3-7 7123-A2-GB20-00 setting up auto-configuration, 3-8 SNMP trap managers, 3-25 so router can receive RIP, 3-7 SIG LED, 5-5 SNMP assigning community names/access levels, 4-8...
  • Page 146 Telnet session, 3-22 V.35 connector, C-6 straight-through cable, C-6 V.54 Loopback, 5-13 variable-bindings, B-7 warmStart events, General Traps, 3-28 trap, B-5 warranty, A Web site access to Paradyne documentation, vi glossary, vi Yellow Alarm, B-7 Signal, 5-4–5-5 September 2001 7123-A2-GB20-00...

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