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Paradyne M/HDSL Standalone Termination Unit HOTWIRE 7986 User Manual

Standalone termination unit with g.703 interface
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HOTWIRE
MODEL 7986
M/HDSL STANDALONE
TERMINATION UNIT
WITH G.703 INTERFACE
USER'S GUIDE
Document No. 7986-A2-GB20-00
September 1998

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Summary of Contents for Paradyne M/HDSL Standalone Termination Unit HOTWIRE 7986

  • Page 1 HOTWIRE MODEL 7986 M/HDSL STANDALONE TERMINATION UNIT WITH G.703 INTERFACE USER’S GUIDE Document No. 7986-A2-GB20-00 September 1998...

  • Page 2: Document Feedback

    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

    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: Emi Warnings

    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 Model 7986 Standalone Termination Unit M/HDSL Overview Hotwire 7986 Termination Unit Features Network Configuration Front Panel LED Status Indicators Rear Panel Interface Connections MIB Support Using the Asynchronous Terminal Interface User Interface Access Communication Port Settings...
  • Page 6 Contents Initial Startup and Configuration Overview Connecting Power to the Unit Optional Power Sources 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 Configuration Options Configuring the Unit Using the Internal Switches...
  • 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 G.703 Interface Options Menu System Options Menu Communication Port Management and Communication Options Menu Telnet Session Options Communication Protocol Options SNMP Traps Options Standards Compliance for SNMP Traps SNMP Traps warmStart authenticationFailure linkUp and linkDown Enterprise-Specific Traps...

  • 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 Model 7986 Multirate/High Bit-Rate Digital Subscriber Line (M/HDSL) Standalone Termination Unit with G.703 interface and is intended for installers and operators.

  • Page 10: Product-Related Documents

    Document Number 8786-A2-GB20 8786-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 Model 7986 Standalone Termination Unit

    About the Model 7986 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 M/HDSL products can transport at full 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: Hotwire 7986 Termination Unit Features

    About the Model 7986 Standalone Termination Unit Hotwire 7986 Termination Unit Features The Hotwire Model 7986 M/HDSL Standalone Termination Unit is an endpoint for the chassis-mounted Hotwire Model 8786 M/HDSL Termination Unit housed in the Hotwire 8600 or 8800 Digital Subscriber Line Access Multiplexer (DSLAM). Two Hotwire Model 7986 M/HDSL Standalone Termination Units can also be configured to operate in a central office LTU to customer premises NTU environment.

  • Page 13: Network Configuration

    Network Configuration Figure 1-1 shows a network application using a 2-port Hotwire 8786 M/HDSL Termination Unit for access concentration in a central office (CO). 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 Model 7986 Standalone Termination Unit Front Panel LED Status Indicators Figure 1-2 shows the front panel of the Model 7986 Standalone Termination Unit. For more information on front panel LEDs, refer to Chapter 4, Figure 1-2. Hotwire Model 7986 Standalone Termination Unit Front Panel Rear Panel Interface Connections Figure 1-3 shows the physical interfaces of the Model 7986 Standalone Termination Unit.

  • Page 15: Mib Support

    MIB Support The Model 7986 Standalone Termination Unit supports traps as defined in RFC 1215. They may include variable-bindings specified in the following MIBs: MIB II (RFC 1573) – Defines the general objects for use with a network management protocol in TCP/IP internets and provides general information about the Model 7986 Standalone Termination Unit.
  • Page 16 About the Model 7986 Standalone Termination Unit This page intentionally left blank. September 1998 7986-A2-GB20-00...

  • Page 17: Using The Asynchronous Terminal Interface

    Using the Asynchronous Terminal Interface User Interface Access You can communicate with the Hotwire Model 7986 Standalone Termination Unit with an asynchronous terminal interface (ATI) using one of the following methods: Direct connection through the COM port. Telnet session through the Embedded Operations Channel (EOC). NOTE: Only one terminal interface session can be active at a time, and another user’s session cannot be forced to end.

  • 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 security is enabled on the Model 7986 Standalone Termination Unit and you used Telnet to access it directly (you did not log in through the MCC), the system prompts you for a login ID and password.
  • 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 Display Test Status Statistics LEDs Network Network G.703 Error Performance Statistics Statistics Statistics Network G.703 Test Main Test Configuration Identity 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 September 1998 7986-A2-GB20-00...

  • 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 dc power cable: Connect the unit to an external dc power source as described in External DC 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. Connect the other end to your DSL network interface. NOTES: A cross over cable (pins 1, 2 to 4, 5) is required for connecting two 7986 termination units back-to-back.

  • 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: Choosing A Configuration Mode

    3. Position the cursor in the System Contact field. Enter the name and contact information for the person responsible for the unit. The maximum length of System Contact is 128 characters. 4. Press Ctrl-a to switch to the screen function key area below the dotted line. 5.

  • Page 32: Configuring The Unit Using The Internal Switches

    Initial Startup and Configuration Configuring the Unit Using the Internal Switches Use internal Switchpacks S1 and S2 to manually configure the unit. Use Figure 3-1 to locate Switchpacks S1 and S2. HANDLING PRECAUTIONS FOR STATIC-SENSITIVE DEVICES This product is designed to protect sensitive components from damage due to electrostatic discharge (ESD) during normal operation.

  • Page 33: Switchpack Locations

    Initial Startup and Configuration Switchpack Locations Use Figure 3-1 to locate Switchpacks S1 and S2. Switchpack S1 & S2 Front Rear 98-16073 Figure 3-1. Hotwire Model 7986 Standalone Termination Unit Switchpack Locations 7986-A2-GB20-00 September 1998...

  • Page 34: Switchpack Definitions

    Initial Startup and Configuration 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 # . . . Allows you to . . . Enables or disables Switchpacks S1 and S2.
  • Page 35 Table 3-2 lists Switchpack S2 definitions. Table 3-2. Switchpack S2 Definitions Switch # . . . 3, 4, 5 6, 7 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 7986-A2-GB20-00 Allows you to .

  • Page 36: Accessing And Displaying Configuration Options

    Initial Startup and Configuration 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...

  • Page 37: Configuration Edit/Display

    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 ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– Î Ctrl-a to access these functions, ESC for previous menu Save See Appendix A, configuration options available.

  • Page 38: Configuring Autorate

    Initial Startup and Configuration Configuring AutoRate The M/HDSL AutoRate function is controlled from the Network Interface Options screen and allows you to enable or disable AutoRate only from a unit configured as an LTU. To access the Network Interface screen, follow this menu selection sequence: Main Menu Î...
  • Page 39 Table 3-4 provides the maximum payload rates achievable for each DSL line rate and the number of time slots required to achieve that payload rate depending on whether you are using signaling (time slots 0 and 16) or data only (time slot 0). Table 3-4.

  • Page 40: Configuration Loader

    Initial Startup and Configuration 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 41 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 42: Saving Configuration Options

    Initial Startup and Configuration 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.

  • Page 43: Download Code

    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 44 Initial Startup and Configuration This page intentionally left blank. 3-18 September 1998 7986-A2-GB20-00...

  • Page 45: Monitoring The Unit

    Monitoring the Unit What to Monitor This chapter presents information on how to access and monitor Hotwire Model 7986 Standalone Termination Units on the E1 network. You can monitor Model 7986 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 46: 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 47: 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 48 Monitoring the Unit Table 4-1. Health and Status Messages (2 of 2) Message Fallback Rate, Pt 1 Primary Clock Failed (G.703 Pt 1) DeviceFailed yyyyyyyy Download Failed Net Com Link Down Mismatch Rate, Pt 1 NTU TS16 Not Supported What Message Indicates What To Do The LTU, set to AutoRate Reset AutoRate.

  • Page 49: 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 DeviceFailed G.703 Failed, Pt 1 Memory Failed Failure xxxxxxxx Passed 7986-A2-GB20-00 What Message Indicates...

  • Page 50: 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 PLB Test Active, Pt 1 DTE Test Active, Pt 1 RLB Test Active, Pt 1...

  • Page 51: Viewing Network Error Statistics

    Viewing Network Error Statistics The Model 7986 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 52 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 Contains . . . The number of seconds which have elapsed in the current 15-minute interval.

  • Page 53: Viewing Network Performance Statistics

    Viewing Network Performance Statistics Network performance statistics allow you to monitor the current status of the network DSL operations. Performance statistics can assist you in determining the duration of specific conditions and provide a historical context for problem detection and analysis. Statistics are maintained for up to 96 15-minute intervals (24 hours).
  • Page 54 Monitoring the Unit This Field . . . Current interval timer Payload Rate DSL Line Rate Current Interval Interval xx 4-10 Contains . . . The number of seconds which have elapsed in the current 15-minute interval. Maximum value is 900 seconds (15 minutes). This counter resets every 15 minutes.

  • Page 55: Viewing G.703 Performance Statistics

    Viewing G.703 Performance Statistics G.703 performance statistics allow you to monitor the current status of the network DSL operations. Performance statistics can assist you in determining the duration of specific conditions and provide a historical context for problem detection and analysis. Statistics are maintained for up to 96 15-minute intervals (24 hours).
  • Page 56 Monitoring the Unit 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 received at the G.703 interface —...

  • Page 57: Viewing Model 7986 Standalone Termination Unit Leds

    Viewing Model 7986 Standalone Termination Unit LEDs The Model 7986 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 G.703 LEDs provide the status of the G.703 interface DSL Loop LEDs display the activity on the DSL network To view the LED status screen, follow this menu selection sequence:...

  • Page 58: Model 7986 Standalone Termination Unit Leds

    Monitoring the Unit Model 7986 Standalone Termination Unit LEDs The following table contains a description of the LEDs on the Model 7986 Standalone Termination Unit front panel. Type General G.703 4-14 7986 M/HDSL LED is . . . Indicating . . . POWER Green Unit has power.

  • Page 59: 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 60: 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 61: 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 62: Repeater Loopback

    Testing Repeater Loopback Repeater Loopback (RLB) loops the signal being sent from the data port back to the data port and to the network interface. Port Transceiver Procedure To run a Repeater Loopback: 1. Position the cursor at the Start command next to Repeater Loopback on the Network Tests screen.

  • Page 63: Dte Loopback

    DTE Loopback DTE Loopback loops the G.703 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 64: Send Remote Line Loopback

    Testing Send Remote Line Loopback The LTU initiates the 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.

  • Page 65: 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 66: 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 67: Ending An Active Test

    Ending an Active Test Except for the Remote Send Line Loopback and Remote DCLB, 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 user-initiated Loopback or Pattern test (as opposed to manually terminating a test) after it has been running a specified period of time.
  • Page 68 Testing This page intentionally left blank. 5-10 September 1998 7986-A2-GB20-00...

  • Page 69: 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 7986-A2-GB20-00 September 1998...

  • Page 70: 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 Model 7986 Standalone Termination Unit detects conditions set by the user. These traps enable the SNMP manager to gauge the state of the network.

  • Page 71: 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 72 Messages and Troubleshooting Table 6-1. Device Messages (2 of 2) Device Message Invalid entry at cursor (1...223, excluding 127) 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...

  • Page 73: Troubleshooting

    Troubleshooting This Model 7986 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 74 Messages and Troubleshooting Table 6-2. Troubleshooting (2 of 2) Symptom Not receiving data. Power-Up Self-Test fails. Only Alarm LED is on after power-up. Possible Cause Solutions The network or data port Check network and data port cables are not cables. connected (check front Run Loopback tests.

  • Page 75: Security

    Security Overview The Model 7986 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 76: 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 Model 7986 Standalone Termination Unit.
  • Page 77 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 78: 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 79 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 80 Security This page intentionally left blank. September 1998 7986-A2-GB20-00...

  • Page 81: 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 and subnet mask 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 82: Ip Addressing Example

    IP Addressing IP Addressing Example DSLAM MCC Base Address = 126.35.1.1 MCC Base Subnet Mask = 255.255.0.0 7986 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 83: Configuration Option Tables

    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 G.703 Interface System Communication Port...

  • Page 84: 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 85 Table A-1. Network Interface Options (2 of 2) DSL Line Rate Possible Settings: 144, 272, 400, 528, 784, 1040, 1552, 2064 Default Setting: 2064 Specifies the DSL line rate of the unit. This option is only available when the standalone unit is configured as an LTU and AutoRate is disabled (unit is in fixed rate).

  • Page 86: G.703 Interface Options Menu

    Configuration Option Tables G.703 Interface Options Menu For G.703 Interface Options, refer to Table A-2. To access the G.703 Interface Options screen, follow this menu selection sequence: Main Menu main/config/G.703 Î –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– Ctrl-a to access these functions, ESC for previous menu Save Table A-2.
  • Page 87 Table A-2. G.703 Interface Options (2 of 2) Line Framing Possible Settings: CRC4, noCRC4 Default Setting: noCRC4 Specifies the framing format to be used by the G.703 interface. CRC4 – CRC4 framing formatting is used for transmitted and received data over the Network Interface.

  • Page 88: 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 89 Configuration Option Tables Table A-3. System Options Test Duration (min) Possible Settings: 1–120 Default Setting: 10 Number of minutes for a test to be active before automatically ending. The Test Duration (min) option appears when Test Timeout is enabled. 1 to 120 – Amount of time in minutes for a user-initiated test to run before terminating. G.703 Line Termination Possible Settings: 75 ohms, 120 ohms Default Setting: 120 ohms...

  • Page 90: 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 91 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 (Terminal). 14.4 – Communication port rate is 14400 bps (Netlink). 19.2 –...
  • Page 92 Configuration Option Tables Table A-4. Communication Port Options (3 of 3) Login Required (Asynchronous mode 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 level.

  • Page 93: Management And Communication Options Menu

    Management and Communication Options Menu The Management and Communication Options Menu includes the following: Telnet Session Communication Protocol SNMP Traps Telnet Session Options The Telnet session configuration options control whether a Telnet session is allowed through an interconnected IP Network. If allowed, these options determine what level of security to apply to the session to control access.
  • Page 94 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 95: 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 96 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. This option is only available when the standalone unit is configured as an LTU. Address Field –...
  • Page 97 Configuration Option Tables 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. This option is only used when the Port Use option on the Communication Port Options menu is set to Net Link.

  • Page 98: Snmp Traps Options

    Configuration Option Tables SNMP Traps Options SNMP configuration options allow you to specify the information necessary to support the Model 7986 Termination unit SNMP traps. To access the SNMP Traps Options screen, follow this menu selection sequence: Main Menu Management and Communication Î...
  • Page 99 Configuration Option Tables Table A-7. SNMP Traps Options (1 of 2) SNMP Traps Possible Settings: Enable, Disable Default Setting: Disable Controls the generation of SNMP trap messages. The options for addresses and types of traps are located in this table. Enable –...
  • Page 100 Configuration Option Tables Table A-7. SNMP Traps Options (2 of 2) Enterprise Specific Traps Possible Settings: Enable, Disable Default Setting: Disable Determines if SNMP traps are generated for enterprise-specific events. Enable – SNMP traps are generated for enterpriseSpecific events. NOTE: Disable –...

  • Page 101: 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 102: 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 103: 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) enterpriseSecondary ClockFail(4) enterprisePrimary ClockFailClear(101) enterpriseSecondary ClockFailClear(104) enterpriseSelfTestFail(2) enterpriseDeviceFail(3)
  • Page 104 Standards Compliance for SNMP Traps SNMP Trap enterpriseTestStop(105) enterpriseFallback AutoRateClear(113) There are no variable-bindings for enterpriseDeviceFail, enterprisePrimary ClockFail. enterpriseSecondaryClockFail, enterprisePrimaryClockFailClear, enterpriseSecondaryClockFailClear, and enterpriseConfigChange. The variable-binding for enterpriseSelfTestFail is devSelfTestResults. The following list describes the conditions that define enterpriseFallbackAutoRate and enterpriseFallbackAutoRateClear: enterpriseFallbackAutoRate Variable-Bindings ifIndex (RFC 1573) This object provides the index into the ifTable and potentially into tables in other MIBs.
  • Page 105 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 E1 network and user data port interfaces. The specific tests and variable-bindings are described in the following table: Interface HDSL Network...
  • Page 106 Standards Compliance for SNMP Traps September 1998 7986-A2-GB20-00...

  • Page 107: Dsl Network Interface Cable

    Cables and Pin Assignments Overview The following sections provide pin assignments: E1 Network Interface Cable DSL Network Interface Cable and Connector COM Port Interface Cable Power Input Connector Optional Power Cable Hotwire Model 7986 Standalone Termination Unit Rear Panel 7986-A2-GB20-00 POWER September 1998 G.703...

  • Page 108: E1 Network Interface

    Cables and Pin Assignments E1 Network Interface The E1 network interface is either two BNC connectors (Transmit and Receive) for a 75-ohm unbalanced interface, or an RJ48C, 8-position, unkeyed modular connector (Table C-1, Figure C-1) for a 120-ohm balanced interface. Table C-1.

  • 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, 8-Pin Plug Pin #8 Pin #1 NOTE: A crossover cable (pins 1, 2 to 4, 5) is required for connecting two 7986 termination units back-to-back.

  • 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: Power Input Connector

    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 112 Cables and Pin Assignments This page intentionally left blank. September 1998 7986-A2-GB20-00...

  • Page 113: Technical Specifications

    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. 7986-A2-GB20-00 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 This page intentionally left blank. September 1998 7986-A2-GB20-00...
  • Page 115 Glossary A random bit test 511 bytes in length. Alternate Mark Inversion. A line coding technique used to accommodate the ones density requirements of E1 or T1 lines. Asynchronous Terminal Interface. A menu-driven, VT100-compatible system for configuring and managing the termination unit. Bipolar Violation.
  • Page 116 Glossary DTLB Data Terminal Loopback. LoopBack mode that loops the data for a particular synchronous data port back to the port just before it is combined with the rest of the T1 data stream. Data Terminal Ready. A signal from the DTE to the modem, sent via Pin 20 of the EIA-232 interface (V.24 circuit 108/1, /2), that indicates the DTE is turned ON and connected to the modem.
  • Page 117 Light Emitting Diode. A light or status indicator that glows in response to the presence of a certain condition (e.g., an alarm). Line LoopBack. A test in which the received signal on the network interface is looped back to the network without change. loopback loopback A diagnostic procedure that sends a test message back to its origination point.
  • Page 118 Glossary TFTP Trivial File Transfer Protocol. A standard TCP/IP protocol that allows simple file transfer to and from a remote system without directory or file listing. TFTP is used where FTP is not available. Transmit Data. Pin 2 of the EIA-232 interface that is used by the DTE to transmit data to the modem.
  • Page 119 Index Abort All Tests, 5-1 ac transformer, connecting, 3-2 access, to async terminal interface, 2-3 access level effective, 7-1 functions available for, 7-1 access to user interface, resetting/restoring, 7-4 administer login, 7-2 AIS (Alarm Indication Signal), status message, 4-3 Alarm, LED, 4-14 ASCII, printable characters, 3-4 ATI (Asynchronous Terminal Interface) access, 2-1...
  • Page 120 Index dc power option, 3-2– 3-18 default configuration area, 3-5 delete, Login ID, 7-4 device, messages, 6-3– 6-4 dimensions, D-1 Disconnect Time, for Telnet session, A-10, A-12 documents, related, vi DOS, TFTP server on, 3-14 download code, 3-17 Download Failed, status message, 4-4 DSL Line Rate, 3-9 Fixed Rate, 3-13 DSL Line Rates, 3-13...
  • Page 121 main menu, 2-2, A-1 Management and Communication Options, A-11 management port access, 7-1 settings, 2-1 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, support, 1-5 monitoring, 4-1 navigating the screens, 2-6...
  • Page 122 Index Save Configuration screen, 3-16 saving option changes, 3-16 screen, function keys, 2-7 screens, for user interface, 2-1– 2-6 SDSL Mode, A-6 security, 7-1 self-test results, 4-5 Send and Monitor 511, 5-7 Send Remote Line Loopback, 5-6 size of unit, D-1 SNMP trap options, 6-2 traps, B-1...

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