Paradyne HOTWIREt 7984 User Manual

M/hdsl standalone termination unit with dsx-1 interface
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HOTWIRE
7984
M/HDSL STANDALONE
TERMINATION UNIT
WITH DSX-1 INTERFACE
USER'S GUIDE
Document No. 7984-A2-GB20-10
February 1999

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Summary of Contents for Paradyne HOTWIREt 7984

  • Page 1 HOTWIRE 7984 M/HDSL STANDALONE TERMINATION UNIT WITH DSX-1 INTERFACE USER’S GUIDE Document No. 7984-A2-GB20-10 February 1999...
  • Page 2 Paradyne Corporation, 8545 126th Ave. N., Largo, FL 33773. Paradyne Corporation makes no representation or warranties with respect to the contents hereof and specifically disclaims any implied warranties of merchantability or fitness for a particular purpose. Further, Paradyne Corporation reserves the 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.
  • Page 3 Important Safety Instructions 1. Read and follow all warning notices and instructions marked on the product or included in the manual. 2. Input power to this product must be provided by one of the following: (1) a UL Listed/CSA Certified power source with a Class 2 or Limited Power Source (LPS) output for use in North America;...
  • Page 4 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 approved by Paradyne Corporation.
  • Page 5: Table Of Contents

    Contents About This Guide Document Purpose and Intended Audience Document Summary Product-Related Documents About the Hotwire 7984 Standalone Termination Unit M/HDSL Overview Hotwire 7984 Termination Unit Features Network Configuration Front Panel LED Status Indicators Rear Panel Interface Connections SNMP Management Capabilities Management Information Base (MIB) Support SNMP Trap Support Using the Asynchronous Terminal Interface...
  • Page 6 Contents Initial Startup and Configuration Overview Connecting Power to the Unit Connecting the Unit to an Optional External DC Power Source Connecting to the Network Connecting to a System Terminal Entering Identity Information Choosing a Configuration Mode Configuring the Unit Using the Configuration Menus Configuring the Unit Using the Internal Switches Switchpack Locations Switchpack Definitions...
  • Page 7 Testing Accessing the Test Menu Running Network Tests Line Loopback Repeater Loopback DTE Loopback Send Remote Line Loopback Send and Monitor 511 Device Tests Lamp Test Ending an Active Test Messages and Troubleshooting Overview Configuring SNMP Traps Device Messages Troubleshooting Security Overview ATI Access Levels...
  • Page 8 Contents Configuration Option Tables Overview Network Interface Options Menu DSX-1 Interface Options System Options Menu Communication Port Management and Communication Options Menu Telnet Session Options Communication Protocol Options SNMP Traps Options General SNMP Management Options SNMP NMS Security Options Standards Compliance for SNMP Traps SNMP Traps warmStart authenticationFailure...
  • Page 9: About This Guide

    About This Guide Document Purpose and Intended Audience This guide contains information needed to set up, configure, and operate the Hotwire 7984 Multirate High-bit-rate Digital Subscriber Line (M/HDSL) Standalone Termination Unit with DSX-1 interface, and is intended for installers and operators.
  • Page 10: Product-Related Documents

    Document Number 8784-A2-GB20 8784-A2-GZ40 Contact your sales or service representative to order additional product documentation. Paradyne documents are also available on the World Wide Web at: http://www.paradyne.com Select Service & Support Description Configuration Option Tables. Contains all configuration options, default settings, and possible settings.
  • Page 11: About The Hotwire 7984 Standalone Termination Unit

    About the Hotwire 7984 Standalone Termination Unit M/HDSL Overview Hotwire maximize customer service areas by varying the DSL line rate. This ensures symmetric DSL connectivity over a wide range of telephone line distances and transmission line qualities. Hotwire products can transport at full (2.048 Mbps) or fractional payload rates over a 4-wire, full-duplex circuit over varying distances based on the conditions of the 4-wire loop.
  • Page 12 About the Hotwire 7984 Standalone Termination Unit Local Management (standalone unit). Provides local management using a: — Terminal or equivalent through the COM port of the unit — Telnet through the COM port of the unit — NMS connection through the 10BaseT port Remote Management (DSLAM card).
  • Page 13: Network Configuration

    Network Configuration Figure 1-1 2-port Hotwire 8784 M/HDSL Termination Unit in a central office (CO). In this configuration, a frame relay switch and a router are connected, through the termination unit, to partner units supporting a host or router, and frame relay encapsulated or unframed data.
  • Page 14: Front Panel Led Status Indicators

    About the Hotwire 7984 Standalone Termination Unit Front Panel LED Status Indicators Figure 1-2 shows the front panel of the 7984 Standalone Termination Unit. For more information on front panel LEDs, refer to Chapter 4, Figure 1-2. Hotwire 7984 Standalone Termination Unit Front Panel Rear Panel Interface Connections Figure 1-3 shows the physical interfaces of the 7984 Standalone Termination Unit.
  • Page 15: Snmp Management Capabilities

    SNMP manager and accessed using SNMP by external SNMP managers. Management Information Base (MIB) Support For a detailed description of supported MIBs, visit Paradyne’s web site at http://www.paradyne.com. The following MIBs are supported: MIB II (RFC 1213 and RFC 1573) – Defines the general objects for use with a network management protocol in TCP/IP internets and provides general information about the unit.
  • Page 16 About the Hotwire 7984 Standalone Termination Unit This page intentionally left blank. February 1999 7984-A2-GB20-10...
  • Page 17: Using The Asynchronous Terminal Interface

    Using the Asynchronous Terminal Interface User Interface Access You can communicate with the Hotwire 7984 Standalone Termination Unit with an asynchronous terminal interface (ATI) using one of the following methods: Direct connection through the COM port of the standalone unit or through the serial port of the DSLAM MCC.
  • Page 18: Initiating An Ati Session

    Using the Asynchronous Terminal Interface Initiating an ATI Session The Main Menu screen is displayed on the screen unless a login ID and password is required or the ATI is already in use. If the ATI is already in use, you will see a connection refused or connection failed message (if you are using a Telnet session), or you will see the IP address of the other user (if you are using the Management Serial port).
  • Page 19 Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î main Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î...
  • Page 20 Using the Asynchronous Terminal Interface The following illustration shows the menu paths to the different ATI screens. Status System and Performance Test Status Statistics Network Network Error Performance Statistics Statistics DSX-1 Test Main Test Configuration Display Identity LEDs DSX-1 Statistics Network Device Abort...
  • Page 21: Screen Work Areas

    Screen Work Areas There are two user work areas: Screen area – This is the area above the dotted line that provides the menu path, menus, and input fields. The menu path appears as the first line on the screen. In this manual, the menu path is presented as a menu selection sequence with the names of the screens: Main Menu...
  • Page 22: Navigating The Screens

    Using the Asynchronous Terminal Interface Navigating the Screens You can navigate the screens by: Using keyboard keys Using screen function keys Switching between the two screen work areas Keyboard Keys Use the following keyboard keys to navigate within the screen. Press .
  • Page 23: Screen Function Keys

    The current setting or value appears to the right of the field name. You can enter information into a selected field by: Typing in the first letter(s) of a field value or command. Switching from the screen area to the screen function area below the dotted line and selecting or entering the designated screen function key.
  • Page 24: Switching Between Screen Work Areas

    Using the Asynchronous Terminal Interface Switching Between Screen Work Areas Select Ctrl-a to switch between the two screen work areas to perform all screen functions. Procedure To access the screen function area below the dotted line: 1. Press Ctrl-a to switch from the screen area to the screen function key area below the dotted line.
  • Page 25: Ending An Ati Session

    Ending an ATI Session Use the Exit function key from any screen to terminate the session. Procedure To end a session with the asynchronous terminal interface: 1. Press Ctrl-a to go to the screen function key area below the dotted line. 2.
  • Page 26 Using the Asynchronous Terminal Interface This page intentionally left blank. 2-10 February 1999 7984-A2-GB20-10...
  • Page 27: Initial Startup And Configuration

    Initial Startup and Configuration Overview This chapter provides instructions on how to access and configure your unit for the first time. This chapter includes procedures for: Connecting power to the unit. Connecting the unit to the network. Connecting a system terminal. Providing initial unit identity information or changing existing identity information.
  • Page 28: Connecting Power To The Unit

    Initial Startup and Configuration Connecting Power to the Unit If your package includes a power pack: Plug the power pack into an ac outlet having a nominal voltage rating between 100–240 Vac. Connect the output cable of the power pack to the connector marked POWER on the rear panel. If your package includes a direct-connection +24 Vdc power cable: Connect the unit to an external +24 Vdc power source as described in an Optional External +24 Vdc Power Source...
  • Page 29: Connecting To The Network

    Connecting to the Network Procedure To connect your unit to the network: 1. Connect one end of the network cable into the rear panel DSL jack. 2. Connect the other end to your DSL network interface. NOTE: Do not use a flat VF network cable as this may severely degrade the performance of the termination unit.
  • Page 30: Entering Identity Information

    Initial Startup and Configuration Entering Identity Information After accessing your unit for the first time, use the Change Identity screen to determine SNMP administrative system information that will be displayed on the Identity screen of the Status branch. To access the Identity screen, follow this menu selection sequence: Main Menu main/control/change_identity...
  • Page 31 Procedure To enter Change Identity screen information: 1. Position the cursor in the System Name field. Enter a name unique in your network to identify the SNMP managed node (or unit). The maximum length of System Name is 128 characters. 2.
  • Page 32: Choosing A Configuration Mode

    Initial Startup and Configuration Choosing a Configuration Mode You can make configuration changes either through a VT100-compatible terminal and the unit’s Configuration menus, or by manually changing switches on the board. The unit comes defaulted to allow settings to be made through the Configuration menus.
  • Page 33: Configuring The Unit Using The Internal Switches

    Configuring the Unit Using the Internal Switches Use internal Switchpacks S1 and S2 to manually configure the unit. Use Figure 3-1 HANDLING PRECAUTIONS FOR STATIC-SENSITIVE DEVICES This product is designed to protect sensitive components from damage due to electrostatic discharge (ESD) during normal operation. When performing installation procedures, however, take proper static control precautions to prevent damage to equipment.
  • Page 34: Switchpack Locations

    Initial Startup and Configuration Switchpack Locations Use Figure 3-1 to locate Switchpacks S1 and S2. Switchpack S1 & S2 Figure 3-1. Hotwire 7984 Standalone Termination Unit Switchpack Locations Front Rear February 1999 98-16073a 7984-A2-GB20-10...
  • Page 35: Switchpack Definitions

    Switchpack Definitions Manually change configuration options by moving Switchpack S1 DIP switches on the card. Table 3-1 lists Switchpack S1 definitions. Table 3-1. Switchpack S1 Definitions Switch # . . . 6, 7, 8 7984-A2-GB20-10 Initial Startup and Configuration Allows you to . . . Enable or disable Switchpacks S1 and S2.
  • Page 36 Initial Startup and Configuration Table 3-2 lists Switchpack S2 definitions. Table 3-2. Switchpack S2 Definitions Switch # . . . 3, 4, 5 Use Table 3-3 to set the DSL Line Rate. Defaults are shown in bold. Table 3-3. DSL Line Rate, Switches 3–5 on Switchpack S2 Switch Position 3-10 Allows you to .
  • Page 37: Accessing And Displaying Configuration Options

    Accessing and Displaying Configuration Options To display configuration options, you must first load a configuration into the edit area. To load a configuration option set into the configuration edit area, follow this menu selection sequence: Main Menu main/configuration Î –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– Ctrl-a to access these functions, ESC for previous menu Make a selection by placing the cursor at your choice and pressing Enter.
  • Page 38: Configuration Edit/Display

    Initial Startup and Configuration Configuration Edit/Display The Configuration Edit/Display screen is displayed when the current, customer, or default configuration is loaded. To access the Configuration Edit/Display screen, follow this menu selection sequence: Main Menu – or – Main Menu main/config/edit Î...
  • Page 39: Configuration Loader

    Configuration Loader The Configuration Loader screen allows you to upload configurations to and download configurations from a TFTP server. To access the Configuration Loader screen, follow this menu selection sequence: Main Menu Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î main/config/config_loader Î...
  • Page 40 Initial Startup and Configuration 2. Position the cursor in the TFTP Server IP Address field. Enter the TFTP server IP address. 3. Position the cursor in the Destination field. Use the spacebar to select a network destination for the TFTP server. Select DSL if the TFTP server destination is the DSL link or COM if the TFTP destination is the COM port.
  • Page 41: Saving Configuration Options

    Saving Configuration Options When changes are made to the configuration options through the Configuration Edit/Display branch, the changes must be saved to take effect. Use the Save key or Save Configuration screen. Procedure To save configuration options changes: 1. Press Ctrl-a to switch to the screen function key area below the dotted line. 2.
  • Page 42: Download Code

    Initial Startup and Configuration Download Code The Download Code screen allows you to download firmware from a TFTP server. To access the Download Code screen, follow this menu selection sequence: Main Menu Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î...
  • Page 43: Monitoring The Unit

    Monitoring the Unit What to Monitor This chapter presents information on how to access and monitor Hotwire 7984 Standalone Termination Units on the T1 network. You can monitor 7984 Standalone Termination Unit operations by viewing: System and Test Status screens Highest priority Health and Status messages on the last line of all screens Network Error Statistics screen Network Performance Statistics screen...
  • Page 44: Viewing System And Test Status

    Monitoring the Unit Viewing System and Test Status To view System and Test Status information, follow this menu selection sequence: Main Menu Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î main/status/system Î...
  • Page 45: Health And Status

    Health and Status The following messages can appear in the first column of the System and Test Status screen. The highest priority Health and Status message also appears on all ATI screens on the bottom right. Table 4-1. Health and Status Messages (1 of 2) Message System Operational LOS at Net, Pt 1...
  • Page 46 Monitoring the Unit Table 4-1. Health and Status Messages (2 of 2) Message Net Margin Threshold, Pt 1 Primary Clock Failed (DSX-1, Pt 1) DeviceFailed yyyyyyyy Download Failed Net Com Link Down What Message Indicates What To Do The signal-to-noise margin 1.
  • Page 47: Self-Test Results

    Self-Test Results The results of the last power-up or reset self-test appear in the middle column of the System and Test Status screen. Table 4-2. Self-Test Results Messages Message CPU Failed Device Failed DSX-1 Failed, Pt 1 Memory Failed FPGA Failed, Pt1 DataPath Failed, Pt1...
  • Page 48: Test Status

    Monitoring the Unit Test Status The Test Status messages in the following table appear in the right column of the System and Test Status screen. Table 4-3. Test Status Messages Test Status Message No Test Active LLB Test Active, Pt 1 DLB Test Active, Pt 1 RLB Test Active, Pt 1 511 Test Active, Pt 1...
  • Page 49: Viewing Network Error Statistics

    Viewing Network Error Statistics The 7984 Standalone Termination Unit maintains error statistics on the network DSL interface for Port 1. Statistics are maintained for up to 96 15-minute intervals (24 hours). To view the Network Error Statistics, follow this menu selection sequence: Main Menu Î...
  • Page 50: Viewing Network Performance Statistics

    Monitoring the Unit Use the virtual function keys to page through the intervals and clear statistics. This Field . . . Current Interval Timer Error Events Counter Current Interval Interval xx Worst Interval Near and Far Tot Viewing Network Performance Statistics Network performance statistics allow you to monitor the current status of the network DSL operations.
  • Page 51 This Field . . . Current Interval Timer Payload Rate DSL Line Rate Current Interval Interval xx Network Performance Statistics are collected for: Mrgn: Margin, the signal-to-noise ratio (SNR) less an SNR reference value. XmtPw: The transmit power level. RxGn: The receiver gain level. Complete: Whether the interval register contains data for a complete 900-second interval.
  • Page 52: Viewing Dsx-1 Performance Statistics

    Monitoring the Unit Viewing DSX-1 Performance Statistics DSX-1 performance statistics allow you to monitor the current status of the DSX-1 interface operations when ESF framing is selected. Performance statistics can assist you in determining the duration of specific conditions and provide a historical context for problem detection and analysis.
  • Page 53 Status: Contains the contents of the status events register. The status events register maintains a history of specific events that have occurred during an interval. Values include: — Y – Remote alarm indication signal (yellow alarm) received at the DSX-1 interface —...
  • Page 54: Viewing 7984 Standalone Termination Unit Leds

    Monitoring the Unit Viewing 7984 Standalone Termination Unit LEDs The 7984 Standalone Termination Unit LEDs can be viewed on the Display LEDs status screen. This ATI status screen is available locally and remotely. The three groups of LEDs are: General LEDs display the status of the unit DSX-1 LEDs provide the status of the DSX-1 interface DSL Loop LEDs display the activity on the DSL network To view the Display LEDs status screen, follow this menu selection sequence:...
  • Page 55: 7984 Standalone Termination Unit Leds

    7984 Standalone Termination Unit LEDs The following table contains a description of the LEDs on the 7984 Standalone Termination Unit front panel. Type General DSX-1 7984-A2-GB20-10 7984 M/HDSL LED is . . . Indicating . . . POWER Green Unit has power. No power to the Unit.
  • Page 56 Monitoring the Unit This page intentionally left blank. 4-14 February 1999 7984-A2-GB20-10...
  • Page 57: Accessing The Test Menu

    Testing Accessing the Test Menu From the Test menu, you can run network tests, data port tests, and a front panel lamp test. To access the Test menu, follow this menu selection sequence: Main Menu main/test Î –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– Î Ctrl-a to access these functions, ESC for previous menu Select .
  • Page 58: Running Network Tests

    Testing Running Network Tests Network tests require the participation of your network service provider. To access the Network Tests screen, follow this menu selection sequence: Main Menu Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î...
  • Page 59: Line Loopback

    Line Loopback Line Loopback (LLB) loops the received signal on the network interface back to the network without change. Port Transceiver Procedure To run a Line Loopback: 1. Position the cursor at the Start command next to Line Loopback on the Network Tests screen.
  • Page 60: Repeater Loopback

    Testing Repeater Loopback Repeater Loopback (RLB) loops the signal being sent from the data port back to the data port. Port T1 to T1 Repeater Loopback Port Transceiver T1 to V.35 Repeater Loopback Procedure To run a Repeater Loopback: 1. Position the cursor at the Start command next to Repeater Loopback on the Network Tests screen.
  • Page 61: Dte Loopback

    DTE Loopback DTE Loopback loops the DSX signal back to itself before the signal is sent to the Framer. All Ones Port Procedure To run a DTE Loopback: 1. Position the cursor at the Start command next to DTE Loopback on the Network Tests screen.
  • Page 62: Send Remote Line Loopback

    Testing Send Remote Line Loopback The local unit initiates this test by sending a line loopback up or down command to the remote unit for 10 seconds. When the remote unit detects the loopback up command, it puts itself in line loopback and lights the front panel test LED. The remote unit remains in loopback until it receives a loopback down command or the remote unit’s test timeout value is exceeded.
  • Page 63: Send And Monitor 511

    Send and Monitor 511 The LTU initiates the test by sending a command to the remote unit to send a 511 test pattern. When the remote unit detects the command, it sends a 511 pattern and lights the front panel test LED. Each unit will send and monitor the 511 pattern.
  • Page 64: Device Tests

    Testing Device Tests The Device Tests branch is used to access the only card-level test, the Lamp Test. To access the Device Tests screen, follow this menu selection sequence: Main Menu main/test/card –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– Î –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– Ctrl-a to access these functions, ESC for previous menu Lamp Test The Lamp test determines whether all LEDs are lighting and functioning properly.
  • Page 65: Ending An Active Test

    Ending an Active Test A test initiated by the user can be ended by the user. Tests can also be terminated automatically by enabling the Test Timeout option from the System Options Menu. A Test Timeout option is available to automatically terminate a Loopback or Pattern test (as opposed to manually terminating a test) after it has been running a specified period of time.
  • Page 66 Testing Telco-Initiated Payload Loopback The Hotwire 7984 Standalone Termination Unit supports payload loopback as specified in AT&T TR 54016 and ANSI T1.403. A Telco-initiated line loopback loops the received signal on the DSX-1 interface back to the DSX-1 interface. Framing, CRC, and FDL bits are regenerated at the point of the loopback, and BPVs are removed.
  • Page 67: Messages And Troubleshooting

    Messages and Troubleshooting Overview There are many resources available to assess the status of the device and contribute to problem resolutions. Refer to the following sections: Configuring SNMP Traps Device Messages Troubleshooting 7984-A2-GB20-10 February 1999...
  • Page 68: Configuring Snmp Traps

    Messages and Troubleshooting Configuring SNMP Traps An SNMP trap can be automatically sent out through the EOC or the Management port to an SNMP manager when the 7984 Standalone Termination Unit detects conditions set by the user. These traps enable the SNMP manager to gauge the state of the network.
  • Page 69: Device Messages

    Device Messages The Device Messages in Table 6-1, listed in alphabetical order, can appear in the messages area at the bottom of the ATI screens. Table 6-1. Device Messages (1 of 2) Device Message Access level is Operator. Configuration is read-only.
  • Page 70 Messages and Troubleshooting Table 6-1. Device Messages (2 of 2) Device Message Limit of six Login IDs reached No Security Records to Delete Password Matching Error – Re-enter Password Please Wait Test Active 0.0.0.0 is an invalid IP address What Message Indicates What To Do An attempt to enter a new 1.
  • Page 71: Troubleshooting

    Troubleshooting This 7984 Standalone Termination Unit is designed to provide you with many years of trouble-free service. If a problem occurs, however, refer to Table 6-2 for possible solutions. Table 6-2. Troubleshooting (1 of 2) Symptom Alarm LED is on. Cannot access the unit via the ATI.
  • Page 72 Messages and Troubleshooting Table 6-2. Troubleshooting (2 of 2) Symptom Not receiving data. Power-Up Self-Test fails. Only Power and Alarm LEDs are on after power-up. Possible Cause Solutions The network or data port Check network and data port cables are not cables.
  • Page 73: Security

    Security Overview The 7984 Standalone Termination Unit provides several methods of security by limiting user access to the ATI through option settings. You can: Enable the Telnet Login Required option. Limit the access by setting a Session Access Level option of Operator for the Telnet Session.
  • Page 74: Creating A Login

    Security Access level is also used to control access via Telnet. If the Telnet Session Access Level is set to Administrator (see Table A-5, Login ID with an Operator access level is not permitted access. Creating a Login Logins apply to the terminal directory connected to the communication port or Telnet access directly to the ATI of the 7984 Standalone Termination Unit.
  • Page 75 3. Create the login by entering the following fields. Login IDs and passwords are case-sensitive. On the Login Entry screen, for the . . . Login ID Password Re-enter Password Access Level NOTE: Assign at least one Administrator-level Login ID. Full access is necessary to make configuration option changes and administer logins.
  • Page 76: Deleting A Login

    Security Deleting a Login Procedure 1. To delete a login record, follow this menu selection sequence: Main Menu 2. Select PgUp or PgDn and press Enter to page through login pages / records until you find the one to be deleted. 3.
  • Page 77: Limiting Snmp Access Through The Ip Addresses Of The Managers

    Limiting SNMP Access through the IP Addresses of the Managers The unit provides an additional level of security through validation of the IP addresses. The SNMP Management option must be enabled. To control SNMP access with IP addresses, follow this menu selection sequence: Main Menu Refer to Table A-9, limited by:...
  • Page 78 Security If entering yes to prompt . . . Reset COM Port usage Reload Factory Defaults If no (or n) is entered, or if no selection is made within 30 seconds, the unit returns to the condition or operation it was in when the system reset was initiated, with the COM port rate returning to its configured rate.
  • Page 79: Ip Addressing

    IP Addressing Selecting an IP Addressing Scheme The NTU’s network interface IP address is assigned through the peer IP address of the LTU’s Network Interface menu. The NTU obtains the LTU’s IP address when the PPP link is established over the EOC. The LTU IP address and subnet mask are configured from the Communication Protocol Options menu.
  • Page 80: Ip Addressing Example

    IP Addressing IP Addressing Example DSLAM MCC Backplane Address = 126.35.1.1 MCC Backplane Mask = 255.255.0.0 7984 LTU IP Address = 126.35.7.1 LTU Peer IP Address = 126.35.7.2 Peer IP Address Assignments The Peer IP Address refers to the IP address of the unit configured as an NTU.
  • Page 81: Overview

    Configuration Option Tables Overview The tables in this appendix summarize the configuration options accessed when you select the Configuration option on the Main Menu. The Configuration options are arranged into groups based upon functionality. Select . . . Network DSX Interface System Options Communication...
  • Page 82: Network Interface Options Menu

    Configuration Option Tables Network Interface Options Menu For Network Interface Options, refer to Table A-1. To access the Network Interface Options screen, follow this menu selection sequence: Main Menu main/config/network Î Circuit Identifier: –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– Ctrl-a to access these functions, ESC for previous menu Save Table A-1.
  • Page 83 Table A-1. Network Interface Options (2 of 2) DSL Line Rate Possible Settings: 400, 528, 784, 1040, 1552 Default Setting: 1552 Determines the fixed line rate of the LTU, in kbps. DSL Line Rate is only available when the unit is configured as an LTU, and AutoRate is set to Disable.
  • Page 84: Dsx-1 Interface Options

    Configuration Option Tables DSX-1 Interface Options For DSX-1 Interface Options, refer to Table A-2. To access the DSX-1 Interface Options screen, follow this menu selection sequence: Main Menu main/config/DSX–1 Slot 4 Port 3 Î –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– Ctrl-a to access these functions, ESC for previous menu Save Table A-2.
  • Page 85 Table A-2. DSX-1 Interface Options (2 of 2) Line Coding Format Possible Settings: AMI, B8ZS Default Setting: B8ZS Specifies the line coding format to be used by the DSX interface. AMI – Indicates the line coding format used by the DSX interface is Alternate Mark Inversion (AMI).
  • Page 86: System Options Menu

    Configuration Option Tables System Options Menu For System Options, refer to Table A-3. To access the System Options screen, follow this menu selection sequence: Main Menu main/config/system Î Î –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– Ctrl-a to access these functions, ESC for previous menu Save Table A-3.
  • Page 87 Configuration Option Tables Table A-3. System Options (2 of 2) Telco Initiated Loopback Possible Settings: Enable, Disable Default Setting: Enable Determines if the unit will respond to inband loopback commands on the DSX-1 interface. See Telco-Initiated Tests on page 5-9. Enable –...
  • Page 88: Communication Port

    Configuration Option Tables Communication Port For Communication Port Options, refer to Table A-4. To access the Communications Ports screen, follow this menu selection sequence: Main Menu Port Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î main/config/commport Î...
  • Page 89 Configuration Option Tables Table A-4. Communication Port Options (2 of 3) Data Rate Possible Settings: 9.6, 14.4, 19.2, 28.8, 38.4 Default Setting: 9.6 Specifies the communication port baud rate. 9.6 – Communication port rate is 9600 bps. 14.4 – Communication port rate is 14400 bps. 19.2 –...
  • Page 90 Configuration Option Tables Table A-4. Communication Port Options (3 of 3) Login Required (Terminal Use Only) Possible Settings: Enable, Disable Default Setting: Disable Specifies if an ID and password are required to access the asynchronous terminal interface on the communication port. Login IDs are created with a password and access Creating a Login in Chapter 7, Security .
  • Page 91: Management And Communication Options Menu

    Management and Communication Options Menu The Management and Communication Options Menu includes the following: Telnet Session Communication Protocol General SNMP Management SNMP NMS Security SNMP Traps Telnet Session Options The Telnet session configuration options control whether a Telnet session is allowed through an interconnected IP Network.
  • Page 92 Configuration Option Tables Table A-5. Telnet Session Options Telnet Session Possible Settings: Enable, Disable Default Setting: Enable Specifies if the Termination Unit will respond to a Telnet session request from a Telnet client on an interconnected IP network. Enable – Allows Telnet sessions between the unit and a Telnet client. Disable –...
  • Page 93: Communication Protocol Options

    Communication Protocol Options The communication protocol configuration options specify the information necessary to support the IP communication network, including IP address and link protocols. Initial values are determined by the configuration you currently have loaded. To access the Communication Protocol Options screen, follow this menu selection sequence: Main Menu Management and Communication...
  • Page 94 Configuration Option Tables Table A-6. Communication Protocol Options (1 of 2) Node IP Address Possible Settings: 000.000.000.000 – 223.255.255.255 Default Setting: 000.000.000.000 Specifies the Node IP address. Node IP Address is only available when the standalone unit is configured as an LTU.
  • Page 95 Table A-6. Communication Protocol Options (2 of 2) Communication Port Subnet Mask Possible Settings: 000.000.000.000 – 255.255.255.255 Default Setting: 000.000.000.000 Specifies the unit’s Communication Port Subnet Mask when the unit is configured as a network communication link. Communication Port Subnet Mask is only used when the Port Use option on the Communication Port Options menu is set to Net Link.
  • Page 96: General Snmp Management Options

    Configuration Option Tables General SNMP Management Options SNMP configuration options allow you to specify the information necessary to support the Termination Unit General SNMP functionality. To access the General SNMP Management Options screen, follow this menu selection sequence: Main Menu Management and Communication Î...
  • Page 97 Configuration Option Tables Table A-7. General SNMP Management Options (2 of 2) Name 1 Access Possible Settings: Read, Read/Write Default Setting: Read Determines the access level for Community Name 1. Read – Allows read-only access (get) for Community Name 1. Read/Write –...
  • Page 98: Snmp Nms Security Options

    Configuration Option Tables SNMP NMS Security Options SNMP configuration options allow you to specify the information necessary to support the Termination Unit SNMP NMS Security. To access the SNMP NMS Security Options screen, follow this menu selection sequence: Main Menu Management and Communication Î...
  • Page 99 Configuration Option Tables Table A-8. SNMP NMS Security Options (2 of 2) NMS n IP Address Possible Settings: 000.000.000.000 – 223.255.255.255, Clear Default Setting: 000.000.000.000 Specifies the Internet Protocol address used to identify each SNMP manager. 000.000.000.000 – 223.255.255.255 – Enter an address for each SNMP manager. The range for the first byte is 000 to 223, with the exception of 127.
  • Page 100 Configuration Option Tables SNMP Traps Options SNMP configuration options allow you to specify the information necessary to support the 7984 termination unit SNMP traps. To access the SNMP Traps Options screen, follow this menu selection sequence: Main Menu Management and Communication Î...
  • Page 101 Table A-9. SNMP Traps Options (2 of 3) NMS n IP Address Possible Settings: 000.000.000.000 – 223.255.255.255, Clear Default Setting: 000.000.000.000 Specifies the Internet Protocol address used to identify each SNMP trap manager. Address Field – (000.000.000.000 – 223.255.255.255) – Enter an address for each SNMP trap manager.
  • Page 102 Configuration Option Tables Table A-9. SNMP Traps Options (3 of 3) Link Traps Possible Settings: Disable, Up, Down, Both Default Setting: Both Determines if SNMP traps are generated for link up and link down for one of the communication interfaces. Disable –...
  • Page 103: Standards Compliance For Snmp Traps

    Standards Compliance for SNMP Traps SNMP Traps This section describes the unit’s compliance with SNMP standards and any special operational features for the SNMP traps supported. The unit supports the following traps: warmStart authenticationFailure linkUp linkDown warmStart SNMP Trap warmStart authenticationFailure SNMP Trap authenticationFailure...
  • Page 104: Linkup And Linkdown

    Standards Compliance for SNMP Traps linkUp and linkDown The link SNMP traps are: linkUp – The unit recognizes that one of the communication interfaces is operational. linkDown – The unit recognizes that one of the communication interfaces is not operational. The network and synchronous port interfaces (physical sublayer) are represented by an entry in the MIB-II interfaces table and supported by the DS1 MIB.
  • Page 105: Enterprise-Specific Traps

    Enterprise-Specific Traps EnterpriseSpecific traps indicates that an enterprise-specific event has occurred. The Specific-trap field identifies the particular trap that occurred. The following table lists the enterprise-specific traps supported by the unit: SNMP Trap enterprisePrimary ClockFail(1) enterprisePrimary ClockFailClear(101) enterpriseSelfTestFail(2) enterpriseDeviceFail(3) enterpriseTestStart(5) enterpriseConfig Change(6) enterpriseTestStop(105)
  • Page 106 Standards Compliance for SNMP Traps The tests that affect the enterpriseTestStart, enterpriseTestStop, and the variable-bindings are different for each particular interface. Diagnostic tests are only supported on the physical T1 network and user data port interfaces. The specific tests and variable-bindings are described in the following table: Interface DSL Network enterpriseTestStart/Stop...
  • Page 107: Cables And Pin Assignments

    Cables and Pin Assignments Overview The following sections provide pin assignments: T1 Network Interface Cable DSL Network Interface Cable COM Port Interface Cable Power Input Connector Optional Power Cable 7984-A2-GB20-10 February 1999...
  • Page 108: T1 Network Interface

    Cables and Pin Assignments T1 Network Interface The T1 network interface is an RJ48C, 8-position, unkeyed modular connector for a 100-ohm balanced interface (Table C-1, Figure C-1). Table C-1. T1 100-Ohm Balanced Interface Signal Receive Ring (Data out from 7974) Receive Tip (Data out from 7974) Receive Shield Transmit Ring (Data in from 7974)
  • Page 109: Dsl Network Interface Cable

    DSL Network Interface Cable The DSL line interface cable is a 20-foot, 24 AWG solid, 2-twisted-pair cable that is RJ48C-to-RJ48C (Table C-2, Figure C-2). 8-Pin Plug Pin #8 Pin #1 Ring Ring Figure C-2. DSL Network Interface Cable with RJ48C Connector 7984-A2-GB20-10 Table C-2.
  • Page 110: Com Port Interface Cable

    Cables and Pin Assignments COM Port Interface Cable The COM port connects to either a PC or to an ASCII terminal or printer for alarms. The COM port-to-PC cable is a 14-foot, 26 AWG, 8-conductor cable with an 8-position modular plug keyed connector and a DB9 socket connector (Figure C-3).
  • Page 111 Table C-3. COM Port Connector (J6) Signal Reserved for future use DCE Received Data Signal Ground DCE Transmit Data DCE Data Terminal Ready DCE Carrier Detect DCE Request-to-Send Reserved for future use 7984-A2-GB20-10 Cables and Pin Assignments Direction Pin Number to DTE (Out) to DTE (Out) —...
  • Page 112: Power Input Connector

    Cables and Pin Assignments Power Input Connector The required input power connector leads are shown in Table C-4. Table C-4. DC Power Connector Signal +24 Vdc +24 Vdc Return Chassis Ground Optional Power Cable The optional power cable is a 14.5-foot, 18 AWG stranded cable. The connector is terminated at one end with a 6-position Molex 39-01-2060 connector.
  • Page 113 Technical Specifications Specifications Size Weight Approvals Safety Certifications Power Cables and Cable Guide Physical Environment Operating temperature Storage temperature Relative humidity * Technical specifications are subject to change without notice. 7984-A2-GB20-10 Criteria* Width 7.25 inches (18.4 cm) Height 1.5 inches (3.8 cm) Length 9.4 inch (24.9 cm) Approximately 1.25 lbs.
  • Page 114 Technical Specifications February 1999 7984-A2-GB20-10...
  • Page 115 Glossary A random bit test 511 bytes in length. Alarm Indication Signal. A signal transmitted downstream instead of the normal signal to preserve transmission continuity and to indicate to the rest of the network that a fault exists. Also called a Blue Alarm. Alternate Mark Inversion.
  • Page 116 Glossary DSLAM Digital Subscriber Line Access Multiplexer. A platform for DSL modems that provides high-speed data transmission over traditional twisted-pair wiring. Data Set Ready. A signal from the modem to the DTE that indicates the modem is turned ON and connected to the DTE. Data Terminal Equipment.
  • Page 117 HDSL High-bit-rate Digital Subscriber Line. A technique for high bandwidth, bidirectional transmission over copper wire for T1 and E1 services. Internet Protocol. An open networking protocol used for internet packet delivery. IP address Internet Protocol address. The address assigned to an internet host. Local Area Network.
  • Page 118 Glossary Severely Errored Seconds. Usually defined as a second during which a specific number of CRC errors was exceeded, or an OOF or other critical error occurred. SNMP Simple Network Management Protocol. Protocol for open networking management. TCP/IP Transmission Control Protocol/Internet Protocol. The dominant protocol suite in the worldwide Internet, TCP allows a process on one machine to send data to a process on another machine using the IP.
  • Page 119 Index Abort All Tests, 5-1 ac transformer, connecting, 3-2 access SNMP, 7-4 to asynchronous terminal interface, 2-3 access level effective, 7-1 functions available for, 7-1 access to user interface, resetting/restoring, 7-5 administer login, 7-2 AIS (Alarm Indication Signal) Send AIS on Network Failure, A-5 status message, 4-3 Alarm, LED, 4-13 ASCII, printable characters, 3-4...
  • Page 120: Snmp Traps

    Index dc power option, 3-2 default configuration area, 3-6 delete, Login ID, 7-4 device, messages, 6-3– 6-4 dimensions, D-1 Disconnect Time for Telnet session, A-12 for terminal session, A-10 documents, related, vi DOS, TFTP server on, 3-13 download code, 3-16 Download Failed, status message, 4-4 DSL Line Rate, 3-10 Network Interface Options screen, A-3...
  • Page 121 main menu, 2-2, A-1 Management and Communication Options, A-11 management port access, 7-1 settings, 2-1 manual configuration, switchpacks, 3-7 Margin Threshold, A-2 Memory Fail, status, 4-5 messages alarm and device, 6-1 health and status, 4-3 line 24, 6-3 self-test results, 4-5 test status, 4-6 MIB, list of supported MIBs, 1-5 monitoring, 4-1...
  • Page 122 Index SNMP enable/disable management, A-16 limiting access, 7-4 NMS IP Address, A-19 NMS Security Options, A-18 support overview, 1-5 trap options, 6-2 trap support, 1-5 traps, B-1 typical configuration, 1-5 start-up, ATI, 2-1 status, test messages, 4-6 subnet, IP addresses, 8-1 switchpacks definitions, 3-9 location, 3-8...

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