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Paradyne HotWire 7985 User Manual

M/hdsl standalone termination unit with eia 530a interface
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Download this manual See also: Instruction and Installation Manual
HOTWIREt MODEL 7985
M/HDSL STANDALONE
TERMINATION UNIT
WITH EIA 530a INTERFACE
USER'S GUIDE
Document No. 7985-A2-GB20-00
October 1998

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  • Page 1 HOTWIREt MODEL 7985 M/HDSL STANDALONE TERMINATION UNIT WITH EIA 530a INTERFACE USER’S GUIDE Document No. 7985-A2-GB20-00 October 1998...
  • Page 2 Paradyne Corporation, 8545 126th Ave. N., Largo, FL 33773, or send e-mail to userdoc@eng.paradyne.com. Include the number and title of this document in your correspondence. Please include your name and phone number if you are willing to provide additional clarification. Printed on recycled paper October 1998 7985-A2-GB20-00...
  • Page 3 Avoid using a telephone (other than a cordless type) during an electrical storm. There may be a remote risk of electric shock from lightning. — Do not use the telephone to report a gas leak in the vicinity of the leak. 7985-A2-GB20-00 October 1998 Important Information...
  • Page 4 To Users of Digital Apparatus in Canada: This Class A digital apparatus meets all requirements of the Canadian interference-causing equipment regulations. Cet appareil numérique de la classe A respecte toutes les exigences du règlement sur le matérial brouilleur du Canada. October 1998 7985-A2-GB20-00...

  • Page 5: Table Of Contents

    Contents About This Guide H Document Purpose and Intended Audience H Document Summary H Product-Related Documents About the Model 7985 Standalone Termination Unit H M/HDSL Overview H Model 7985 Features H Network Configuration H User Interface Types H Front Panel LED Status Indicators...
  • Page 6 Health and Status Self-Test Results Test Status H Viewing Network Error Statistics H Viewing Network Performance Statistics H Viewing Model 7985 Standalone Termination Unit LEDs H Model 7985 Standalone Termination Unit LEDs Testing H Accessing the Test Menu H Running Network Tests...
  • Page 7 H Enterprise-Specific Traps 7985-A2-GB20-00 ............
  • Page 8 ......... . . October 1998 C-11 C-11 7985-A2-GB20-00...

  • 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 7985 Multirate/High-bit-rate Digital Subscriber Line (M/HDSL) Standalone Termination Unit and is intended for installers and operators. Document Summary...

  • Page 10: H Product-Related Documents

    Lists key terms, acronyms, concepts, and sections in alphabetical order. Document Title Hotwire 8784 M/HDSL Termination Unit with DSX-1 Interface User’s Guide Hotwire 8786 M/HDSL Termination Unit with G.703 Interface User’s Guide Hotwire 8786 M/HDSL Termination Unit Installation Instructions Technical Manuals October 1998 7985-A2-GB20-00...

  • Page 11: About The Model 7985 Standalone Termination Unit

    About the Model 7985 Standalone Termination Unit M/HDSL Overview Hotwiret Multirate/High-bit-rate Digital Subscriber Line (M/HDSL) products 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.

  • Page 12: H Model 7985 Features

    About the Model 7985 Standalone Termination Unit Model 7985 Features The Hotwire Model 7985 M/HDSL Standalone Termination Unit is an endpoint for the chassis-mounted Hotwire Model 8784 or 8786 M/HDSL Termination Unit housed in the Hotwire 8600 or 8800 Digital Subscriber Line Access Multiplexer (DSLAM).

  • Page 13: H Network Configuration

    7986 (G.703) 7984 (DSX) Figure 1-1. Sample M/HDSL Configurations User Interface Types There are three types of user interfaces to the Model 7985 Standalone Termination Unit: Menu-driven async terminal interface screens. See Chapter 2, Asynchronous Terminal Interface Front panel LED status indicators. See Chapter 4, Internal DIP Switches.

  • Page 14: Front Panel Led Status Indicators

    About the Model 7985 Standalone Termination Unit Front Panel LED Status Indicators Figure 1-2 shows the front panel of the Model 7985 Standalone Termination Unit. For more information on front panel LEDs, refer to Chapter 4, Figure 1-2. Hotwire Model 7985 Standalone Termination Unit Front Panel...

  • Page 15: Mib Support

    MIB Support The Model 7985 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 7985 Standalone Termination Unit.
  • Page 16 About the Model 7985 Standalone Termination Unit This page intentionally left blank. October 1998 7985-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 7985 Standalone Termination Unit with an asynchronous terminal interface (ATI) using one of the following methods: Direct connection through the COM port. Using an external modem through the COM port.

  • Page 18: 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 7985 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 View system status, diagnostic test results, statistics, LEDs, and device identity information. Select and cancel tests for the termination unit’s interfaces. Change the device identity, administer logins, download new firmware, or initiate a power-up reset of the termination unit. October 1998 Hotwire Model 7985 Exit...
  • Page 20 Tests Network Sync Port October 1998 Configuration Control Change Download Reset Identity Code AutoRate Administer Apply Logins Download Configuration Current Configuration Loader Edit/Display System Communication Management Options Port Communication Telnet SNMP Communication Protocol Option Session Traps 7985-A2-GB20-00 Reset Device 98-15859...

  • Page 21: Screen Work Areas

    Using the Asynchronous Terminal Interface Configuration Load Configuration From NETWORK INTERFACE OPTIONS Margin Threshold: –3db Excessive Error Rate Threshold: 1E–5 AutoRate: Enable Peer IP Address: 111.255.255.000 Messages October 1998 Network Hotwire Model: 7985 Clear Clear MainMenu Exit LOS at Net, Pt n System...

  • Page 22: H Navigating The Screens

    Move cursor up one field within a column on the same screen. Move cursor one character to the right if in edit mode. Move cursor one character to the left if in edit mode. Redraw the screen display, clearing information typed in but not yet entered. October 1998 7985-A2-GB20-00...

  • Page 23: Screen Function Keys

    Exit MainMenu PgDn PgUp ResetMon Save 7985-A2-GB20-00 Using the Asynchronous Terminal Interface Select . . . And press Enter to . . . F or f Clear far-end network statistics and refresh the screen. N or n Clear near-end network statistics and refresh the screen.

  • Page 24: Switching Between Screen Work Areas

    Ctrl-a to access these functions, ESC for previous menu Save NETWORK INTERFACE OPTIONS Margin Threshold: –3db Excessive Error Rate Threshold: 1E–5 AutoRate Disable DSL Line rate Peer IP Address: 111.255.255.000 October 1998 Hotwire Model: 7985 Clear Î Î Î Î Clear MainMenu Exit 7985-A2-GB20-00...

  • Page 25: Ending An Ati Session

    2. Save changes if required. A confirmation message appears if you have made but not saved changes to your configuration. 3. Tab to Exit (or type e or E) and press Enter. 7985-A2-GB20-00 Using the Asynchronous Terminal Interface October 1998...
  • Page 26 Using the Asynchronous Terminal Interface This page intentionally left blank. 2-10 October 1998 7985-A2-GB20-00...

  • Page 27: Initial Startup And Configuration

    Edit menus. Choosing the current or factory default configuration options or downloading configuration options from a TFTP server. Modifying current configuration options using the Configuration Edit/Display menu. Saving your changes. Downloading unit firmware from a TFTP server. 7985-A2-GB20-00 October 1998...

  • Page 28: Connecting The Unit To An Optional External Dc Power Source

    Connecting the Unit to an Optional External DC Power Source Use the following procedures only if you want to use the dc power cable. Using the dc power cable, the Hotwire Model 7985 Standalone Termination Unit is capable of operating on a +24 Vdc power supply.

  • Page 29: H Connecting To The Network

    Connecting to a System Terminal An optional system maintenance terminal may be attached to your Hotwire Model 7985 Standalone Termination Unit through the modular jack on the rear panel. You may have terminals attached to both endpoints. The system terminal must be a VT100-compatible terminal or a PC running terminal emulation software.
  • Page 30 2. Position the cursor in the System Location field. Enter the physical location of the unit. The maximum length of System Location is 128 characters. Control Change Identity IDENTITY lllQJ98-001 October 1998 Hotwire Model: 7985 Clear Clear Clear Î Î Î Î MainMenu Exit 7985-A2-GB20-00...

  • Page 31: Choosing A Configuration Mode

    Use the Configuration menu branch of the unit to display or change configuration option settings. Configuration Options The Model 7985 Standalone Termination Unit is shipped with factory settings in the Default Factory configuration area. You can find default information by: Referring to Appendix A, Accessing the Configuration branch of the Model 7985 Standalone Termination Unit menu.

  • Page 32: H Configuring The Unit Using The Internal Switches

    4. After you enable the switchpacks, you must set the switches to your desired configuration. Refer to 5. Replace and secure the cover. 6. Power up the board to reset and enable the new configuration. Figure 3-1 Table 3-1. October 1998 7985-A2-GB20-00...

  • Page 33: Switchpack Locations

    Initial Startup and Configuration Switchpack Locations Use Figure 3-1 to locate Switchpacks S1 and S2. Switchpack S1 & S2 Front 98-15937 Rear Figure 3-1. Hotwire Model 7985 Standalone Termination Unit Switchpack Locations 7985-A2-GB20-00 October 1998...

  • Page 34: Switchpack Definitions

    Control Sync Port Data Rate (refer to Table 3-2, Rates) NOTE: Switches 4 through 8 are only used when the unit is configured as an LTU and autorate is disabled. All OFF = 2048 kbps October 1998 Default in Bold Selectable Payload 7985-A2-GB20-00...
  • Page 35 384 kbps (6 x 64) 320 kbps (5 x 64) 256 kbps (4 x 64) 192 kbps (3 x 64) 128 kbps (2 x 64) 64 kbps (1 x 64) 7985-A2-GB20-00 Initial Startup and Configuration Switch Number October 1998 Associated DSL Line...
  • Page 36 Select one of eight preset DSL line rates (refer to Table 3-4). All OFF = 2064 Not used Emergency Use Only – The Model 7985 has two banks of flash memory used to hold executable firmware This switch allows you to switch between the two versions of firmware. This switch is independent from the position of Switch 1 on Switchpack S1 (switchpack enable/disable).

  • Page 37: Accessing And Displaying Configuration Options

    The selected configuration option set is loaded and the Configuration Edit/Display menu screen appears. The Configuration Loader screen is displayed allowing you to upload or download configurations from a TFTP server. October 1998 Hotwire Model: 7985 Î Î MainMenu Exit 3-11...
  • Page 38 Options, Table A-5 Communication Protocol Options, Table A-6 SNMP Traps Options, Table A-7 October 1998 Hotwire Model: 7985 Î Î Î Î MainMenu Exit To Configure the . . . DSL network interfaces on the unit. Synchronous DTE interface Ports.

  • Page 39: H Configuring Autorate

    Configuration Network NETWORK INTERFACE OPTIONS Margin Threshold: Excessive Error Rate Threshold: AutoRate DSL Line Rate Fixed Rate Payload Rates and DSL Line October 1998 Hotwire Model: 7985 –3db 1E–5 Disable Î Î Î Î Clear MainMenu Exit Rates, to set...

  • Page 40: Configuration Loader

    Bytes Received: 0000000 Transfer Status: Transfer Pending Activate new configuration? No October 1998 1040 1552 2064 1088 1600 1152 1664 1216 1728 1024 1280 1792 1344 1856 1408 1920 1472 1984 1536 2048 Hotwire Model: 7985 Clear Clear MainMenu Exit 7985-A2-GB20-00...
  • Page 41 You must change these settings with the appropriate configuration menus after the new configuration is activated. See Table A-3, Appendix A, Configuration Option Tables . 7985-A2-GB20-00 System Options, and Table A-5, Telnet Session October 1998...

  • Page 42: Saving Configuration Options

    An answer of “yes” will cause the system to reset as if it had been powered off and on! Then . . . The configuration is saved. The Main Menu appears and changes are not saved. October 1998 Hotwire Model: 7985 Î Î MainMenu Exit 7985-A2-GB20-00...

  • Page 43: H Download Code

    DOWNLOAD CODE Image File Name: 000.000.000.000 Destination: Start Transfer: Yes Packets Sent: 0000000 Packets Received: 0000000 Bytes Sent: 0000000 Bytes Received: 0000000 Transfer Status: Transfer Pending October 1998 Initial Startup and Configuration Hotwire Model: 7985 Clear Clear MainMenu Exit 3-17...
  • Page 44 Initial Startup and Configuration This page intentionally left blank. 3-18 October 1998 7985-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 7985 Standalone Termination Units on the network. You can monitor Model 7985 Standalone Termination Unit operations by viewing: System and Test Status screens...
  • Page 46 PgDn Health and Status Messages. Self-Test Results Messages. October 1998 Hotwire Model: 7985 Page 1 of 1 TEST STATUS No Test Active LLB Test Active, Pt 1 RLB Test Active, Pt 1 DTLB Test Active, Pt 1 DCLB Test Active, Pt 1...

  • Page 47: Health And Status

    1. Provide the 8-digit failure code detected by the operating shown ( yyyyyyyy ) to your service software. yyyyyyyy indicates representative. the 8-digit hexadecimal failure 2. Reset the Model 7985 code. Standalone Termination Unit to clear the condition and message. October 1998 Monitoring the Unit...

  • Page 48: Self-Test Results

    LTU/NTU is not possible. What Message Indicates The CPU failed internal testing. One or more of the Model 7985 Standalone Termination Unit’s integrated circuit chips has failed device-level testing. The Model 7985 Standalone Termination Unit failed to loop data on the network DSL circuit of Port 1.

  • Page 49: Test Status

    DCLB Test Active, Pt 1 A Data Channel Loopback test is active on Port 1. 511 Test Active, Pt 1 Lamp Test Active 7985-A2-GB20-00 in the following table appear in the right column of the Meaning No tests are currently running.

  • Page 50: Viewing Network Error Statistics

    Monitoring the Unit Viewing Network Error Statistics The Model 7985 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 51 Current Interval Interval xx Worst Interval Near and Far TOT 7985-A2-GB20-00 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 52: Viewing Network Performance Statistics

    Status Performance Statistics NETWORK PERFORMANCE STATISTICS ––MrGn–– ––XmtPw– Near Far Near Far PgDn ClrNear ClrFar October 1998 Network Performance Hotwire Model: 7985 Payload Rate 2048 Kbps DSL Line Rate: 2063 kbps ––RxGn–– –Complete– Near Far Near Far MainMenu Exit 7985-A2-GB20-00...

  • Page 53: H Viewing Model 7985 Standalone Termination Unit Leds

    Interval xx Viewing Model 7985 Standalone Termination Unit LEDs The Model 7985 Standalone Termination Unit LEDs can be viewed on the Display LEDs Status screen. This ATI status screen is available locally and remotely. The 3 groups of LEDs are:...

  • Page 54: H Model 7985 Standalone Termination Unit Leds

    Monitoring the Unit Model 7985 Standalone Termination Unit LEDs The following table contains a description of the LEDs on the Model 7985 Standalone Termination Unit front panel. Type SYSTEM SYNC Port 4-10 7985 M/HDSL LED is . . . Indicating . . .

  • Page 55: Testing

    To abort all current tests. Network-initiated tests will not be affected. An aborted test may continue to run for a few seconds as the abort command is sent to the remote end and processed. October 1998 Hotwire Model: 7985 Î Î Î Î MainMenu Exit...

  • Page 56: Running Network Tests

    When the Send and Monitor 511 test is active, ResetMon is available to reset the error counter to zero. Test Network Tests NETWORK TESTS Command Status Results Start Inactive 00:00:00 Start Inactive 00:00:00 Send Inactive 00:00:00 Stop Active hh:mm:ss - Errors 99999+ October 1998 Hotwire Model: 7985 MainMenu Exit 7985-A2-GB20-00...

  • Page 57: Line Loopback

    3. To manually stop the test, verify that the cursor is positioned at the Stop command. 4. Press Enter. Line Loopback cannot be started when a Repeater Loopback, Data Channel Loopback (DCLB), Remote DCLB, or network-initiated Line Loopback is in progress. 7985-A2-GB20-00 NTU/LTU Port Framer All 1s Interface...

  • Page 58: Repeater Loopback

    DCLB, or Data Terminal Loopback (DTLB) is active. NOTE: If a disconnected DSL loop is connected while a Repeater Loopback is active, the connected units will not be able to synchronize. NTU/LTU Port EIA-530 Framer Interface Port 98-15932 October 1998 7985-A2-GB20-00...

  • Page 59: Send Remote Line Loopback

    The loopback stops automatically after 10 seconds. You cannot stop the test manually. The Send Remote Line Loopback cannot be started when any other loopback or a Send and Monitor 511 test is active on the network interface. 7985-A2-GB20-00 Local NTU/LTU Port...

  • Page 60: Send And Monitor 511

    ResetMon virtual function key is available for use. Type r or R or select the ResetMon virtual function key to reset the error count. Remote 511 Pattern 511 Pattern October 1998 NTU/LTU Port EIA-530 Framer All 1s Interface Port 98-15936 7985-A2-GB20-00...

  • Page 61: H Running Sync Data Port Tests

    Position the cursor at the desired Start or Stop command and press Enter. The Results column displays the test duration. 7985-A2-GB20-00 Test SYNC Data Port Tests SYNC DATA PORT TESTS Command Status Start Inactive Start Inactive Down Send Inactive October 1998 Testing Hotwire Model: 7985 Results 00:00:00 00:00:00 00:00:00 MainMenu Exit...

  • Page 62: Data Terminal Loopback

    3. To manually stop the test, verify that the cursor is positioned at the Stop command. 4. Press Enter. Data Terminal Loopback cannot be started when a Repeater Loopback, DCLB, or Remote DCLB is already active on the data port. NTU/LTU Port All 1s Framer Interface October 1998 EIA-530 Port 98-15933 7985-A2-GB20-00...

  • Page 63: Data Channel Loopback

    Data Channel Loopback cannot be started when any of the following tests is active: Send and Monitor 511, Line Loopback, or Repeater Loopback on the network interface, or a Data Terminal Loopback on the data port. 7985-A2-GB20-00 NTU/LTU Port Framer...

  • Page 64: Send Remote Data Channel Loopback

    The Send Remote DCLB test cannot be started when a Send and Monitor 511 test is active on the network interface. 5-10 Local Remote NTU/LTU NTU/LTU Framer Framer October 1998 Port EIA-530 All 1s Interface Port 98-15935 7985-A2-GB20-00...

  • Page 65: H Device Tests

    3. To stop the lamp test, position the cursor at the Stop command. 4. Press Enter. 7985-A2-GB20-00 Test Device Tests DEVICE TESTS Test Command Status Lamp Test: Start Inactive October 1998 Testing Hotwire Model: 7985 Î Î MainMenu Exit 5-11...

  • Page 66: Ending An Active Test

    Complete appears when all tests on all interfaces have been terminated. An aborted test may continue to run for a few seconds as the abort command is sent to the remote end and processed. 5-12 System Options. October 1998 7985-A2-GB20-00...

  • Page 67: Messages And Troubleshooting

    Messages and Troubleshooting Overview There are many messages available to assess the status of the device and contribute to problem resolutions. Refer to the following sections: Configuring SNMP Traps Device Messages Troubleshooting 7985-A2-GB20-00 October 1998...
  • Page 68 Model 7985 Standalone Termination Unit by entering an IP address and network destination for each SNMP manager specified. Select the type of SNMP traps to be sent from the Model 7985 Standalone Termination Unit. To configure SNMP Traps, follow this menu selection sequence:...
  • Page 69 Invalid Password Invalid – Send Pattern Already Active Invalid – [ Test ] Already Active Invalid Test Combination 7985-A2-GB20-00 Messages and Troubleshooting What Message Indicates What To Do The operator requested that If configuration options are to be configuration options be...
  • Page 70 Wait until the other test ends and message clears. Cancel all tests from the Test screen. Stop the test from the same screen the test was started from. An IP address of all zeroes Enter a valid, non-zero IP was entered. address. October 1998 7985-A2-GB20-00...
  • Page 71 Troubleshooting This Model 7985 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.
  • Page 72 (check the TEST LED on the front panel). The far-end device is Make sure the far-end device is offline. The unit has detected an Reset the unit and try again. internal hardware failure. Contact your service representative. October 1998 Testing 7985-A2-GB20-00...

  • Page 73: Security

    Security Overview The Model 7985 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

    Creating a Login Logins apply to the terminal directory connected to the communication port or Telnet access directly to the ATI of the Model 7985 Standalone Termination Unit. Six login ID/password combinations are available. Each Login ID and Password must be unique and include an access level.
  • Page 75 6. If additional logins are required, repeat Steps 3 through 5. 7. When all logins are entered, press Esc to return to the Administer Logins screen. 8. Select Save and press Enter. 7985-A2-GB20-00 Enter . . . 1 to 10 ASCII printable characters (hex21 through 7E). Blanks are not allowed.

  • Page 76: Deleting A Login

    2. Reset the unit, then immediately and repeatedly press Enter at a rate of about 1 press per second until the System Paused screen appears. 3. Tab to the desired method, and enter yes (or y) for the selected prompt. Control Administer Logins October 1998 7985-A2-GB20-00...
  • Page 77 COM port rate returning to its configured rate. The termination unit resets itself, going through a self-test. Connectivity is restored and the Main Menu screen appears. 7985-A2-GB20-00 Then . . . Port type is set to Terminal Data Rate (kbps) is set to 9.6...
  • Page 78 Security This page intentionally left blank. October 1998 7985-A2-GB20-00...

  • Page 79: Ip Addressing

    Communication Protocol Options menu. The Model 7985 Standalone Termination Unit is assigned an IP address and subnet through the Peer IP address of the M/HDSL Network interface menu. Once the address is assigned, you can use the Model 7985 Standalone Termination Unit’s ATI to assign:...
  • Page 80 MCC Backplane Address = 126.35.1.1 MCC Backplane Mask = 255.255.0.0 7985 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: Configuration Option Tables

    System Communication Port Management Communication NOTE: All changes to configuration options must be saved. Refer to Configuration Options 7985-A2-GB20-00 To Access the . . . Network Interface Options, Table A-1 Synchronous Data Port Options, Table A-2 System Options, Table A-3...

  • Page 82: Network Interface Options Menu

    1040 – Available payload rates are: 832, 896, 960, and 1024 kbps. 1552 – Available payload rates are: 1088, 1152, 1216, 1280, 1344, 1408, 1472, and 1536 kbps. 2064 – Available payload rates are: 1600, 1664, 1728, 1792, 1856, 1920, 1984, and 2048 kbps. Configuration Current Configuration October 1998 Network 7985-A2-GB20-00...
  • Page 83 Uniquely identifies the circuit number of the transmission vendor’s DSL line for troubleshooting purposes. [ASCII Text] – Enter a maximum of 128 characters. All printable ASCII characters except ^ (caret) are allowed. Clear – Clears the field. 7985-A2-GB20-00 October 1998...
  • Page 84 If an external clock is used, it must be synchronized to the same clock source as the LTU. Internal – Indicates the clock is provided internally by the 7985 Termination Unit on the TXC interchange circuit DB (CCITT 114).
  • Page 85 Model 7985 Termination Unit and the DTE are causing data errors. Disable – Indicates TXC supplied by the Model 7985 Termination Unit on this port is not phase inverted. Enable – Indicates TXC supplied by the Model 7985 Termination Unit on this port is phase inverted.
  • Page 86 DTE attached to this port. This loopback is controlled by the Remote Loopback interchange circuit RL (CCITT 140). The far-end equipment must support in-band V.54 loopbacks. Both – Gives control of local DTLBs and remote DCLBs to the DTE connected to this port. October 1998 7985-A2-GB20-00...

  • Page 87: System Options Menu

    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. 7985-A2-GB20-00 Configuration Load Configuration From Changing this option will reset the card.
  • Page 88 Default Setting: None Specifies the parity of the communication port. None – No parity used. Odd – Odd parity used. Even – Even parity used. Configuration Load Configuration From Peer IP Address and Circuit Identifier are not copied. October 1998 Communication 7985-A2-GB20-00...
  • Page 89 Telnet session. Administrator – This is the higher access level, permitting full control of the Model 7985 Termination Unit. Access level is determined by the Login ID. If Telnet Login Required is disabled, the session access level is Administrator. Operator – This is the lower access level, permitting read-only access to status and configuration screens.
  • Page 90 Number of minutes of inactivity before the session terminates automatically. Timeout is based on no keyboard activity. Disconnect Time (minutes) option appears when Inactivity Timeout is enabled. 1 to 60 – The Telnet session is closed after the selected number of minutes. A-10 October 1998 7985-A2-GB20-00...
  • Page 91 Possible Settings: Enable, Disable Default Setting: Disable Specifies if the Model 7985 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.
  • Page 92 Refer to ATI Access Levels Administrator – This is the higher access level, permitting full control of the 7985 Termination Unit. Access level is determined by the Login ID. If Telnet Login Required is disabled, the session access level is Administrator.
  • Page 93 Communication Port Options menu is set to Net Link. PPP – Defines Point-to-Point protocol for the link layer protocol for the network communication link. SLIP – Serial Line IP Protocol for the link layer protocol for the network communication link. 7985-A2-GB20-00 October 1998 A-13...

  • Page 94: Snmp Traps Options

    Warm – Sends trap message for warmStart events. AuthFail – Sends trap message for authenticationFailure events. Both – Sends both trap messages. NOTE: A-14 Configuration Load Configuration From SNMP Traps Refer to Appendix B, Standards Compliance for SNMP Traps October 1998 Edit 7985-A2-GB20-00...
  • Page 95 Disable – No linkUp or linkDown SNMP traps are generated. Up – A linkUp trap is generated when the 7985 Termination Unit recognizes that one of the communication interfaces is operational. Down – A linkDown trap is generated when the 7985 Termination Unit recognizes a failure in one of the communication interfaces.
  • Page 96 Configuration Option Tables This page intentionally left blank. A-16 October 1998 7985-A2-GB20-00...

  • Page 97: Standards Compliance For Snmp Traps

    SNMP Trap warmStart authenticationFailure SNMP Trap authenticationFailure 7985-A2-GB20-00 Description Possible Cause The unit has reinitialized Reset command. itself. Power disruption. The trap is sent after the unit resets and stabilizes. There are no variable-bindings.

  • Page 98: Linkup And Linkdown

    This object contains the same value as ifAdminStatus. fType (RFC 1573) This object is the type of interface: – propPointToPointSerial(22) Used for the synchronous data port and EOC. – HDSL(96) Used for the HDSL network interface. COM Port HDSL Interface, Port 1 October 1998 7985-A2-GB20-00...

  • Page 99: H Enterprise-Specific Traps

    There are no variable-bindings for enterpriseDeviceFail and enterpriseConfigChange. The variable-binding for enterpriseSelfTestFail is devSelfTestResults. 7985-A2-GB20-00 Standards Compliance for SNMP Traps Description Possible Cause A hardware failure of the Failure of one or more of the unit is detected during the unit’s hardware...
  • Page 100 Start – Any one of the following tests is active on the port: – Data Terminal Loopback – Data Channel Loopback – Remote Data Channel Loopback enterpriseTest Stop – No tests currently running on the interface. 7985-A2-GB20-00...

  • Page 101: H Dsl Network Interface Cable

    The following sections provide pin assignments: DSL Network Interface Cable COM Port Interface Cable EIA-530A Port Interface Connector EIA-530A to X.21 Interface Cable EIA-530A to RS 449 Interface Cable EIA-530A to V.35 Interface Cable Power Input Connector Optional Power Cable 7985-A2-GB20-00 October 1998...
  • Page 102 8-Pin Plug Pin #8 Pin #1 NOTE: A crossover cable (Pins 1, 2 to 4, 5) is required for connecting two Model 7985 Termination Units back-to-back. Ring Ring Figure C-1. DSL Network Interface Cable with RJ48C Connector (Figure C-1). Table C-1. DSL Network Interface...
  • Page 103 (Figure C-2). The COM port connector is an 8-position keyed modular jack (Table C-2). The data signals on this port are referenced to a DTE interface. Figure C-2. COM Port-to-PC Cable (Feature Number 7900-F1-510) 7985-A2-GB20-00 Table C-2. COM Port Interface Signal...
  • Page 104 19 (B) From DSU/CSU 5 (A) 13 (B) From DSU/CSU 8 (A) 10 (B) From DSU/CSU To DSU/CSU 11 (B) 24 (A) From DSU/CSU 12 (B) 15 (A) From DSU/CSU 17 (A) 9 (B) To DSU/CSU To DSU/CSU From DSU/CSU 7985-A2-GB20-00...
  • Page 105 TD-A TD-B RD-A RD-B RXC-A RXC-B RTS-A RTS-B RLSD-A RLSD-B SIG. COMMON TT-A TT-B Figure C-3. EIA-530A-to-X.21 (Cable Feature Number 7900-F1-505) 7985-A2-GB20-00 C-4. DB25 PLUG October 1998 Cables and Pin Assignments 98-15883 DB15 X.21 SIGNAL SOCKET TD-A TD-B RD-A RD-B...
  • Page 106 October 1998 Direction — To DSU/CSU 2 (A) 9 (B) From DSU/CSU 4 (A) 11 (B) To DSU/CSU 3 (A) 10 (B) From DSU/CSU 5 (A) 12 (B) To DSU/CSU 7 (A) 14 (B) From DSU/CSU 6 (A) 13 (B) 7985-A2-GB20-00...
  • Page 107 RXC-B RTS-A RTS-B CTS-A CTS-B RLSD-A RLSD-B SIG. COMMON RCV. COMMON TT-A TT-B SIG. COMMON Figure C-4. EIA-530A-to-RS449 Cable Pinouts (Feature Number 7900-F1-504) 7985-A2-GB20-00 C-5. October 1998 Cables and Pin Assignments 98-15902 DB37 SOCKET SIGNAL SHIELD TD-A TD-B RD-A RD-B...
  • Page 108 From DSU/CSU 13 (A) 31 (B) From DSU/CSU 11 (A) 29 (B) 12 (A) 30 (B) To DSU/CSU 17 (A) 35 (B) From DSU/CSU 5 (A) 23 (B) From DSU/CSU 8 (A) 26 (B) To DSU/CSU To DSU/CSU From DSU/CSU 7985-A2-GB20-00...
  • Page 109 TD-B RD-A RD-B TXC-A TXC-B RXC-A RXC-B RLSD SIG. COMMON TT-A TT-B SIG. COMMON Figure C-5. EIA-530A-to-V.35 Cable Pinouts (Feature Number 7900-F1-503) 7985-A2-GB20-00 C-6. DB25 PLUG October 1998 Cables and Pin Assignments 98-15885 MS34 V.35 SOCKET SIGNAL SHIELD TD-A TD-B...
  • Page 110 From DSU/CSU R (A) T (B) To DSU/CSU From DSU/CSU From DSU/CSU From DSU/CSU To DSU/CSU To DSU/CSU U (A) W (B) From DSU/CSU Y (A) AA (B) From DSU/CSU V (A) X (B) To DSU/CSU To DSU/CSU From DSU/CSU 7985-A2-GB20-00...
  • Page 111 6-position Molex 39-01-2060 connector. The other end of the cable is terminated with a bare wire that should be connected to a DC power source. Figure C-6 shows the wire colors. Figure C-6. DC Power Cable (Feature Number 7900-F1-506) 7985-A2-GB20-00 Pin Number Black Green...
  • Page 112 Cables and Pin Assignments This page intentionally left blank. C-12 October 1998 7985-A2-GB20-00...

  • Page 113: Technical Specifications

    Length 9.4 inch (24.9 cm) Approximately 1.25 lbs. (0.6 kg) Refer to the equipment’s label for approvals on product. The Model 7985 Termination Unit contains a DC-to-DC converter that requires +24V power input. The +24V power is distributed through a universal power supply supplied with the unit.
  • Page 114 Technical Specifications This page intentionally left blank. October 1998 7985-A2-GB20-00...
  • Page 115 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. The equipment, such as a computer or terminal, that provides data in the form of digital signals for transmission. 7985-A2-GB20-00 October 1998 GL-1...
  • Page 116 Internet Protocol. An open networking protocol used for internet packet delivery. IP address Internet Protocol address. The address assigned to an internet host. kbps Kilobits per second. One kilobit is usually taken to be 1,024 bits. GL-2 October 1998 7985-A2-GB20-00...
  • Page 117 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. TCP can be used as a full-duplex or one-way simplex connection. 7985-A2-GB20-00 ) bits. October 1998 Glossary...
  • Page 118 An operating system developed at AT&T Bell Laboratories and since used as the basis of similar operating systems. V.35 An ITU-T standard for a high-speed, 34-position, DCE/DTE interface. Wide Area Network. A network that spans a large geographic area. GL-4 October 1998 7985-A2-GB20-00...
  • Page 119 EIA-530A-to-RS449 Cable Interface, C-7 EIA-530A-to-X.21 Interface Cable, C-5 Optional Power Cable, C-11 cables, C-1 figures, C-1 part numbers, D-1 pin Assignments, C-1 7985-A2-GB20-00 cabling COM Port-to-PC cable, C-3 DC Power cable, C-11 DSL Network Interface Cable, C-2 Card Failed self-test result, 4-4...
  • Page 120 Management and Communication Options, A-11 management port access, 7-1 settings, 2-1 Margin Threshold, A-2 Memory Fail, status, 4-4 messages alarm and device, 6-1 health and status, 4-3 line 24, 6-3 self-test results, 4-4 test status, 4-5 MIB, support, 1-5 monitoring, 4-1 October 1998 7985-A2-GB20-00...
  • Page 121 Port Status, A-4 power cord installation, 3-2 power requirements, D-1 power supply ac transformer, 3-2 optional dc, 3-2– 3-18 7985-A2-GB20-00 Rear Panel, 1-4 related documents, vi remote send line loopback, 5-5 repeater loopback (RLB), 5-4 resetting the access unit, COM port, 7-4...
  • Page 122 UNIX, TFTP server on, 3-15 user interface, 1-3, 3-3 async terminal, 2-1 how to access, 2-1 resetting/restoring access, 7-4 V.35 interface, C-10 V.54 Loop 3. See data terminal loopback (DTLB) virtual function keys, 2-7 warmStart, B-1 weight of unit, D-1 October 1998 7985-A2-GB20-00...

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