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Manual Paradyne 7975

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  • Paradyne 7975 - page 1

    HOTWIRE  7975 M/SDSL ST ANDALONE TERMINA TION UNIT USER’S GUIDE Document No. 7975-A2-GB20-40 December 1998 ...

  • Paradyne 7975 - page 2

    Printed on recycled paper A 7975-A2-GB20-40 December 1998 Copyright E 1998 Paradyne Corporation. All rights reserved. Printed in U.S.A. Notice This publication is protected by federal copyright law . No part of this publication may be copied or distributed, transmitted, transcribed, stored in a retrieval system, or translated into any human or comp ...

  • Paradyne 7975 - page 3

    Important Information B 7975-A2-GB20-40 December 1998 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) ...

  • Paradyne 7975 - page 4

    Important Information C 7975-A2-GB20-40 December 1998 EMI W arnings ! W ARNING: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial ...

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    i 7975-A2-GB20-40 December 1998 Contents About This Guide H Document Purpose and Intended Audience v . . . . . . . . . . . . . . . . . . . . . . . . . H Document Summary v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H Product-Related Documents vi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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    Contents ii 7975-A2-GB20-40 December 1998 3 Initial Startup and Configuration H Overview 3-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H Connecting Power to the Unit 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Connecting the Unit to an Optional Exter ...

  • Paradyne 7975 - page 7

    Contents iii 7975-A2-GB20-40 December 1998 5 T esting H Accessing the T est Menu 5-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H Running Network T ests 5-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Line Loopback 5-3 . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Paradyne 7975 - page 8

    Contents iv 7975-A2-GB20-40 December 1998 A Configuration Option T ables H Overview A-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H Network Interface Options Menu A-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H Synchronous Data Port Options Menu A-4 . . . . ...

  • Paradyne 7975 - page 9

    v 7975-A2-GB20-40 December 1998 About This Guide Document Purpose and Intended Audience This guide contains information needed to set up, configure, and operate the Hotwire 7975 Multirate/Symmetric Digital Subscriber Line (M/SDSL) Standalone T ermination Unit and is intended for installers and operators. Document Summary Section Description Chapter ...

  • Paradyne 7975 - page 10

    About This Guide vi 7975-A2-GB20-40 December 1998 Section Description Appendix A Configuration Option T ables. Contains all configuration options, default settings, and possible settings. Appendix B Standards Compliance for SNMP T raps. Contains SNMP trap compliance information. Appendix C Cables and Pin Assignments. Contains connector and interfac ...

  • Paradyne 7975 - page 11

    1-1 7975-A2-GB20-40 December 1998 About the Hotwir e 7975 Standalone T ermination Unit 1 M/SDSL Overview Hotwire  Multirate/Symmetrical Digital Subscriber Line (M/SDSL) 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 ...

  • Paradyne 7975 - page 12

    About the Hotwire 7975 Standalone T ermination Unit 1-2 7975-A2-GB20-40 December 1998 Hotwir e 7975 Features The Hotwire 7975 M/SDSL Standalone T ermination Unit is an endpoint for the chassis-mounted Hotwire 8775 M/SDSL T ermination Unit housed in the Hotwire 8600 or 8800 Digital Subscriber Line Access Multiplexer (DSLAM). T wo Hotwire 7975 M/SDSL ...

  • Paradyne 7975 - page 13

    About the Hotwire 7975 Standalone T ermination Unit 1-3 7975-A2-GB20-40 December 1998 Network Configuration Figure 1-1 shows a network application using a 4-port Hotwire 8775 M/SDSL T ermination 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 sup ...

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    About the Hotwire 7975 Standalone T ermination Unit 1-4 7975-A2-GB20-40 December 1998 Fr ont Panel LED Status Indicators Figure 1-2 shows the front panel of the 7975 Standalone T ermination Unit. For more information on front panel LEDs, refer to Chapter 4, Monitoring the Unit . POWER ALARM TEST DSL DTE 98-15856 7975 M/SDSL TM TM Figure 1-2. Hotwir ...

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    About the Hotwire 7975 Standalone T ermination Unit 1-5 7975-A2-GB20-40 December 1998 SNMP Management Capabilities The termination unit supports SNMP V ersion 1, and can be managed by any industry-standard SNMP manager and accessed using SNMP by external SNMP managers. Management Information Base (MIB) Support For a detailed description of supporte ...

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    About the Hotwire 7975 Standalone T ermination Unit 1-6 7975-A2-GB20-40 December 1998 This page intentionally left blank. ...

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    2-1 7975-A2-GB20-40 December 1998 Using the Asynchr onous T erminal Interface 2 User Interface Access Y ou can communicate with the Hotwire 7975 Standalone T ermination Unit with an asynchronous terminal interface (A TI) using one of the following methods: H Direct connection through the COM port. H Using an external modem through the COM port. H T ...

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    Using the Asynchronous T erminal Interface 2-2 7975-A2-GB20-40 December 1998 Initiating an A TI Session The Main Menu screen is displayed on the screen unless a login ID and password is required or the A TI is already in use. If security is enabled on the 7975 Standalone T ermination Unit and you used T elnet to access it directly (you did not log ...

  • Paradyne 7975 - page 19

    Using the Asynchronous T erminal Interface 2-3 7975-A2-GB20-40 December 1998 main Access Level: Administrator Hotwire Model 7975 MAIN MENU Status Test Configuration Control ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– ...

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    Using the Asynchronous T erminal Interface 2-4 7975-A2-GB20-40 December 1998 The following illustration shows the paths to the different A TI screens. Main Status T est System and T est Status Perf or mance Statistics Display LEDs Identity Network Error Statistics Network P erformance Statistics Configuration Control F actor y Config Configuration ...

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    Using the Asynchronous T erminal Interface 2-5 7975-A2-GB20-40 December 1998 Scr een W ork Areas There are two user work areas: H 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 sel ...

  • Paradyne 7975 - page 22

    Using the Asynchronous T erminal Interface 2-6 7975-A2-GB20-40 December 1998 Navigating the Scr eens Y ou can navigate the screens by: H Using keyboard keys H Using screen function keys H Switching between the two screen work areas Keyboard Keys Use the following keyboard keys to navigate within the screen. Press . . . T o . . . Ctrl-a Move cursor ...

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    Using the Asynchronous T erminal Interface 2-7 7975-A2-GB20-40 December 1998 The current setting or value appears to the right of the field name. Y ou can enter information into a selected field by: H T yping in the first letter(s) of a field value or command. H Switching from the screen area to the screen function area below the dotted line and se ...

  • Paradyne 7975 - page 24

    Using the Asynchronous T erminal Interface 2-8 7975-A2-GB20-40 December 1998 Switching Between Screen W ork Areas Select Ctrl-a to switch between the two screen work areas to perform all screen functions. " Procedur e T o access the screen function area below the dotted line: 1. Press Ctrl-a to switch from the screen area to the screen functio ...

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    Using the Asynchronous T erminal Interface 2-9 7975-A2-GB20-40 December 1998 Ending an A TI Session Use the E xit function key from any screen to terminate the session. " Procedur e T o 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. Save changes if require ...

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    Using the Asynchronous T erminal Interface 2-10 7975-A2-GB20-40 December 1998 This page intentionally left blank. ...

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    3-1 7975-A2-GB20-40 December 1998 Initial Startup and Configuration 3 Overview This chapter provides instructions on how to access and configure your unit for the first time. This chapter includes procedures for: H Connecting power to the unit. H Connecting the unit to the network. H Connecting a system terminal. H Providing initial unit identity i ...

  • Paradyne 7975 - page 28

    Initial Startup and Configuration 3-2 7975-A2-GB20-40 December 1998 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 V ac. Connect the output cable of the power pack to the connector marked POWER on the rear panel. If your package includes a d ...

  • Paradyne 7975 - page 29

    Initial Startup and Configuration 3-3 7975-A2-GB20-40 December 1998 Connecting to the Network " Procedur e T o 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. NOTE: Do not use a flat VF network cable as this may severely degrade the per ...

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    Initial Startup and Configuration 3-4 7975-A2-GB20-40 December 1998 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. T o access the Card Identity screen, follow this menu s ...

  • Paradyne 7975 - page 31

    Initial Startup and Configuration 3-5 7975-A2-GB20-40 December 1998 " Procedur e T o 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. Position the cursor in the Syste ...

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    Initial Startup and Configuration 3-6 7975-A2-GB20-40 December 1998 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 ST A TIC-SENSITIVE DEVICES This product is designed to protect sensitive components from da ...

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    Initial Startup and Configuration 3-7 7975-A2-GB20-40 December 1998 Switchpack Locations Use Figure 3-1 to locate Switchpacks S1 and S2. 98-15937 Switchpac k S1 & S2 F ront S2 Rear S1 678 ON 12345 678 ON 12345 Figure 3-1. Hotwire 7975 Standalone T ermination Unit Switchpack Locations ...

  • Paradyne 7975 - page 34

    Initial Startup and Configuration 3-8 7975-A2-GB20-40 December 1998 Switchpack Definitions Manually change configuration options by moving Switchpack S1 DIP switches on the card. T able 3-1 lists Switchpack S1 definitions. T able 3-1. Switchpack S1 Definitions Switch # . . . Allows you to . . . Default in Bold 1 Enable or disable Switchpacks S1 and ...

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    Initial Startup and Configuration 3-9 7975-A2-GB20-40 December 1998 T able 3-2. Selectable Payload Rates (Switches 4–8 on Switchpack S1) Switch Number Associated DSL L i ne Sync Port Payload Rate 8 7 6 5 4 DSL Li ne Rate 2048 kbps (32 x 64) OFF OFF OFF OFF OFF 2064 kbps 1984 kbps (31 x 64) ON ON ON ON ON 2064 kbps 1920 kbps (30 x 64) ON ON ON ON ...

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    Initial Startup and Configuration 3-10 7975-A2-GB20-40 December 1998 T able 3-3 lists Switchpack S2 definitions. T able 3-3. Switchpack S2 Definitions Switch # . . . Allows you to . . . Default in Bold 1 Control whether the unit is an L TU or an NTU. OFF = NTU ON = L TU 2 Control enabling and disabling of the AutoRate capability . OFF = AutoRate En ...

  • Paradyne 7975 - page 37

    Initial Startup and Configuration 3-1 1 7975-A2-GB20-40 December 1998 Accessing and Displaying Configuration Options T o display configuration options, you must first load a configuration into the edit area. T o load a configuration option set into the configuration edit area, follow this menu selection sequence: Main Menu → Configuration (Load C ...

  • Paradyne 7975 - page 38

    Initial Startup and Configuration 3-12 7975-A2-GB20-40 December 1998 Configuration Edit/Display The Configuration Edit/Display screen is displayed when the current, customer , or default configuration is loaded. T o access the Configuration Edit/Display screen, follow this menu selection sequence: Main Menu → Configuration → Current Configurati ...

  • Paradyne 7975 - page 39

    Initial Startup and Configuration 3-13 7975-A2-GB20-40 December 1998 Configuring AutoRate The M/SDSL AutoRate function is controlled from the Network Interface Options screen and allows you to enable or disable AutoRate from a unit configured as an L TU. T o access the Network Interface screen, follow this menu selection sequence: Main Menu → Con ...

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    Initial Startup and Configuration 3-14 7975-A2-GB20-40 December 1998 T able 3-5. Fixed Rate Payload Rates and DSL Line Rates DSL Line Rate (kbps) 2 Mbps units 144 272 400 528 784 1040 1552 2064 P 64 192 320 448 576 832 1088 1600 P a y 128 256 384 512 640 896 1 152 1664 y l o 704 960 1216 1728 o a d 768 1024 1280 1792 d 1344 1856 R a 1408 1920 a t e ...

  • Paradyne 7975 - page 41

    Initial Startup and Configuration 3-15 7975-A2-GB20-40 December 1998 " Procedur e T o upload or download a configuration: 1. Position the cursor in the Image File Name field. T ype the name of the file to be downloaded, or the name to be used for the file to be uploaded. The file name may be a regular path name expression of directory names se ...

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    Initial Startup and Configuration 3-16 7975-A2-GB20-40 December 1998 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 S ave key or Save Configuration screen. " Procedur e T o save configuration options changes: 1. Pre ...

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    Initial Startup and Configuration 3-17 7975-A2-GB20-40 December 1998 Download Code The Download Code screen allows you to download firmware from a TFTP server . T o access the Download Code screen, follow this menu selection sequence: Main Menu → Control → Download Code main/control/download_code Hotwire Model: 7975 DOWNLOAD CODE Image File Nam ...

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    4-1 7975-A2-GB20-40 December 1998 Monitoring the Unit 4 What to Monitor This chapter presents information on how to access and monitor Hotwire 7975 Standalone T ermination Units on the E1 network. Y ou can monitor 7975 Standalone T ermination Unit operations by viewing: H System and T est Status screens H Highest priority Health and Status messages ...

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    Monitoring the Unit 4-2 7975-A2-GB20-40 December 1998 V iewing System and T est Status T o view System and T est Status information, follow this menu selection sequence: Main Menu → Status → System and T est Status main/status/system Hotwire Model: 7975 SYSTEM AND TEST STATUS Page 1 of 1 HEALTH AND STATUS SELF-TEST RESULTS TEST STATUS ––– ...

  • Paradyne 7975 - page 47

    Monitoring the Unit 4-3 7975-A2-GB20-40 December 1998 Health and Status The following messages can appear in the first column of the System and T est Status screen. The highest priority Health and Status message also appears on all A TI screens on the bottom right. T able 4-1. Health and Status Messages Message What Message Indicates What T o Do Sy ...

  • Paradyne 7975 - page 48

    Monitoring the Unit 4-4 7975-A2-GB20-40 December 1998 T able 4-1. Health and Status Messages Message What T o Do What Message Indicates Net Com Link Down The Network communication link is down. Communications between the management system and the L TU/NTU is not possible. 1. V erify that the network cable is securely attached at both ends. Mismatch ...

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    Monitoring the Unit 4-5 7975-A2-GB20-40 December 1998 T est Status The T est Status messages in the following table appear in the right column of the System and T est Status screen. T able 4-3. T est Status Messages T est Status Message Meaning No T est Active No tests are currently running. LLB T est Active, Pt 1 A network Line Loopback test is ac ...

  • Paradyne 7975 - page 50

    Monitoring the Unit 4-6 7975-A2-GB20-40 December 1998 V iewing Network Err or Statistics The 7975 Standalone T ermination Unit maintains error statistics on the network DSL interface for port 1. Statistics are maintained for up to 96 15-minute intervals (24 hours). T o view the Network Error Statistics, follow this menu selection sequence: Main Men ...

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    Monitoring the Unit 4-7 7975-A2-GB20-40 December 1998 Use the virtual function keys to page through the intervals and clear statistics. This Field . . . Contains . . . Current Interval T imer 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. E ...

  • Paradyne 7975 - page 52

    Monitoring the Unit 4-8 7975-A2-GB20-40 December 1998 V iewing 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 analys ...

  • Paradyne 7975 - page 53

    Monitoring the Unit 4-9 7975-A2-GB20-40 December 1998 This Field . . . Contains . . . Current Interval T imer 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. DSL Line Rate The rate of the DSL line. Current Interval Performance data for the c ...

  • Paradyne 7975 - page 54

    Monitoring the Unit 4-10 7975-A2-GB20-40 December 1998 7975 Standalone T ermination Unit LEDs The following table contains a description of the LEDs on the 7975 Standalone T ermination Unit front panel. POWER ALARM TEST DSL DTE 98-15856 7975 M/SDSL TM TM T ype LED LED is . . . Indicating . . . SYSTEM POWER Green Off Flashing Unit has power . No pow ...

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    5-1 7975-A2-GB20-40 December 1998 T esting 5 Accessing the T est Menu From the T est menu, you can run network tests, data port tests, and a lamp test for the front panel LEDs. T o access the T est menu, follow this menu selection sequence: Main Menu → T est main/test Hotwire Model: 7975 TEST Network Tests SYNC Data Port Tests Device Tests Abort ...

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    T esting 5-2 7975-A2-GB20-40 December 1998 Running Network T ests Network tests require the participation of your network service provider . T o access the Network T ests screen, follow this menu selection sequence: Main Menu → T est → Network T ests main/test/network Hotwire Model: 7975 NETWORK TESTS Test Command Status Results ––––– ...

  • Paradyne 7975 - page 57

    T esting 5-3 7975-A2-GB20-40 December 1998 Line Loopback Line Loopback (LLB) loops the received signal on the network interface back to the network without change. 98-15931 NTU/L TU Network Interf ace All 1s Po r t Interf ace F ramer EIA-530 Po r t CAP " Procedur e T o run a Line Loopback: 1. Position the cursor at the Start command next to Li ...

  • Paradyne 7975 - page 58

    T esting 5-4 7975-A2-GB20-40 December 1998 Repeater Loopback Repeater Loopback (RLB) loops the signal being sent from the data port back to the data port and to the network interface. 98-15932 NTU/L TU Network Interf ace Po r t Interf ace F ramer EIA-530 Po r t CAP " Procedur e T o run a Repeater Loopback: 1. Position the cursor at the Start c ...

  • Paradyne 7975 - page 59

    T esting 5-5 7975-A2-GB20-40 December 1998 Send Remote Line Loopback The L TU 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 rece ...

  • Paradyne 7975 - page 60

    T esting 5-6 7975-A2-GB20-40 December 1998 Send and Monitor 51 1 The L TU initiates the test by lighting the T est LED sending a command to the remote unit to send a 51 1 test pattern. When the remote unit detects the command, it sends a 51 1 pattern and lights the front panel test LED. Each unit will send and monitor the 51 1 pattern. The duration ...

  • Paradyne 7975 - page 61

    T esting 5-7 7975-A2-GB20-40 December 1998 Running SYNC Data Port T ests T o access the SYNC Data Port T ests screen, follow this menu selection sequence: Main Menu → T est → SYNC Data Port T ests main/test/data Hotwire Model: 7975 SYNC DATA PORT TESTS Test Command Status Results –––––––––––––––––––––? ...

  • Paradyne 7975 - page 62

    T esting 5-8 7975-A2-GB20-40 December 1998 Data T erminal Loopback Data T erminal Loopback (DTLB) loops the user data back to the DTE. This loopback is located as closely as possible to the user data port (DTE) interface. 98-15933 NTU/L TU Network Interf ace Po r t Interf ace F ramer EIA-530 Po r t CAP All 1s " Procedur e T o run a Data T ermi ...

  • Paradyne 7975 - page 63

    T esting 5-9 7975-A2-GB20-40 December 1998 Data Channel Loopback Data Channel Loopback (DCLB) loops the data from the network interface back to the network. This loopback is located as closely as possible to the user data port (DTE) interface. 98-15934 NTU/L TU Network Interf ace Po r t Interf ace F ramer EIA-530 Po r t CAP All 1s " Procedur e ...

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    T esting 5-10 7975-A2-GB20-40 December 1998 Send Remote Data Channel Loopback The local termination unit can send an Up or Down sequence to request the start or stop of a Data Channel Loopback (DCLB) on a remote unit. 98-15935 NTU/L TU Po r t Interf ace F ramer EIA-530 Po r t CAP All 1s NTU/L TU Po r t Interf ace Fr amer CAP Local Remote " Pro ...

  • Paradyne 7975 - page 65

    T esting 5-1 1 7975-A2-GB20-40 December 1998 Device T ests The Device T ests branch is used to access the only card-level test, the Lamp T est. T o access the Device T ests screen, follow this menu selection sequence: Main Menu → T est → Device T ests main/test/card Hotwire Model: 7975 DEVICE TESTS Test Command Status ––––––––? ...

  • Paradyne 7975 - page 66

    T esting 5-12 7975-A2-GB20-40 December 1998 Ending an Active T est Except for the Remote Send Line Loopback and Remote DCLB, a test initiated by the user can be ended by the user . T ests can also be terminated automatically by enabling the T est T imeout option from the System Options Menu. H A T est T imeout option is available to automatically t ...

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    6-1 7975-A2-GB20-40 December 1998 Messages and T r oubleshooting 6 Overview There are many messages available to assess the status of the device and contribute to problem resolutions. Refer to the following sections: H Configuring SNMP T raps H Device Messages H T roubleshooting ...

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    Messages and T roubleshooting 6-2 7975-A2-GB20-40 December 1998 Configuring SNMP T raps An SNMP trap can be automatically sent out through the EOC or the Management port to an SNMP manager when the 7975 Standalone T ermination Unit detects conditions set by the user . These traps enable the SNMP manager to gauge the state of the network. Refer to A ...

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    Messages and T roubleshooting 6-3 7975-A2-GB20-40 December 1998 Device Messages The Device Messages in T able 6-1, listed in alphabetical order , can appear in the messages area at the bottom of the A TI screens. T able 6-1. Device Messages (1 of 2) Device Message What Message Indicates What T o Do Access level is Operator . Configuration is read-o ...

  • Paradyne 7975 - page 70

    Messages and T roubleshooting 6-4 7975-A2-GB20-40 December 1998 T able 6-1. Device Messages (2 of 2) Device Message What T o Do What Message Indicates Invalid entry at cursor (1...223, excluding 127) Invalid range. Enter a value within the IP address range. Limit of six Login IDs reached An attempt to enter a new login ID was made, and the limit of ...

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    Messages and T roubleshooting 6-5 7975-A2-GB20-40 December 1998 T r oubleshooting This 7975 Standalone T ermination Unit is designed to provide you with many years of trouble-free service. If a problem occurs, however , refer to T able 6-2 for possible solutions. T able 6-2. T roubleshooting (1 of 2) Symptom Possible Cause Solutions Alarm LED is on ...

  • Paradyne 7975 - page 72

    Messages and T roubleshooting 6-6 7975-A2-GB20-40 December 1998 T able 6-2. T roubleshooting (2 of 2) Symptom Solutions Possible Cause Not receiving data. H The network or data port cables are not connected (check front panel LEDs for more information). H A test is being executed H Check network and data port cables. H Run Loopback tests. Refer to ...

  • Paradyne 7975 - page 73

    7-1 7975-A2-GB20-40 December 1998 Security 7 Overview The 7975 Standalone T ermination Unit provides several methods of security by limiting user access to the A TI through option settings. Y ou can: H Enable the T elnet Login Required option. H Limit the access by setting a Session Access Level option of Operator for the T elnet Session. H Disable ...

  • Paradyne 7975 - page 74

    Security 7-2 7975-A2-GB20-40 December 1998 Access level is also used to control access via T elnet. If the T elnet Session Access Level is set to Administrator (see T able A-5, T elnet Session Options ), a Login ID with an Operator access level is not permitted access. Cr eating a Login Logins apply to the terminal directory connected to the commun ...

  • Paradyne 7975 - page 75

    Security 7-3 7975-A2-GB20-40 December 1998 3. Create the login by entering the following fields. Login IDs and passwords are case-sensitive. On the Login Entry screen, for the . . . Enter . . . Login ID 1 to 10 ASCII printable characters (hex21 through 7E). Blanks are not allowed. Password 1 to 10 ASCII printable characters that can consist of 0– ...

  • Paradyne 7975 - page 76

    Security 7-4 7975-A2-GB20-40 December 1998 Deleting a Login " Procedur e 1. T o delete a login record, follow this menu selection sequence: Main Menu → Control → Administer Logins 2. Select PgU p or PgDn and press Enter to page through login pages / records until you find the one to be deleted. 3. Once the correct record is displayed, sele ...

  • Paradyne 7975 - page 77

    Security 7-5 7975-A2-GB20-40 December 1998 Limiting SNMP Access through the IP Addr esses of the Managers The unit provides an additional level of security through validation of the IP addresses. The SNMP Management option must be enabled. T o control SNMP access with IP addresses, follow this menu selection sequence: Main Menu → Configuration ? ...

  • Paradyne 7975 - page 78

    Security 7-6 7975-A2-GB20-40 December 1998 If entering yes to prompt . . . Then . . . Reset COM Port usage H Port type is set to T erminal H Data Rate (kbps) is set to 9.6 H Character Length is set to 8 H Stop Bits is set to 1 H Parity is set to None Reload Factory Defaults Y es (or y) will restore all factory-loaded configuration and control setti ...

  • Paradyne 7975 - page 79

    8-1 7975-A2-GB20-40 December 1998 IP Addr essing 8 Selecting an IP Addr essing Scheme The NTU’s network interface IP address is assigned through the peer IP address of the L TU’s Network Interface menu. The NTU obtains the L TU’s IP address and subnet mask when the PPP link is established over the EOC. The L TU IP address and subnet mask are ...

  • Paradyne 7975 - page 80

    IP Addressing 8-2 7975-A2-GB20-40 December 1998 IP Addr essing Example 98-15901 DSLAM DSLAM 7975 7975 7975 MCC Base Address = 126.35.50.1 MCC Base Subnet Mask = 255.255.255.0 Po r t 1 P eer IP Address = 126.35.50.5 MCC LT U 8775 Po r t 2 P eer IP Address = 126.35.10.1 Po r t 3 P eer IP Address = 126.35.10.2 Po r t 4 P eer IP Address = 126.35.10.3 N ...

  • Paradyne 7975 - page 81

    A-1 7975-A2-GB20-40 December 1998 Configuration Option T ables A 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 . . . T o Access the . . . T o Configur e the . . . Network ...

  • Paradyne 7975 - page 82

    Configuration Option T ables A-2 7975-A2-GB20-40 December 1998 Network Interface Options Menu For Network Interface Options, refer to T able A-1. T o access the Network Interface Options screen, follow this menu selection sequence: Main Menu → Configuration → Current Configuration → Network T able A-1. Network Interface Options (1 of 2) Margi ...

  • Paradyne 7975 - page 83

    Configuration Option T ables A-3 7975-A2-GB20-40 December 1998 T able A-1. Network Interface Options (2 of 2) DSL Line Rate Possible Settings: 144, 272, 400, 528, 784, 1040, 1552 (2 Mbps unit only), 2064 (2 Mbps unit only) Default Setting: 144 Specifies the DSL line rate of the unit. This option is only available when the standalone unit is configu ...

  • Paradyne 7975 - page 84

    Configuration Option T ables A-4 7975-A2-GB20-40 December 1998 Synchr onous Data Port Options Menu For Synchronous Data Port Options, refer to T able A-2. T o access the Synchronous Data Port Options screen, follow this menu selection sequence: Main Menu → Configuration → Load Configuration From → SYNC Ports T able A-2. Synchronous Data Port ...

  • Paradyne 7975 - page 85

    Configuration Option T ables A-5 7975-A2-GB20-40 December 1998 T able A-2. Synchronous Data Port Options (2 of 3) Invert T ransmit Clock Possible Settings: Disable, Enable Default Setting: Disable Specifies whether the clock supplied by the 7975 T ermination Unit on the TXC interchange circuit DB (CCITT 1 14) is phase inverted with respect to the T ...

  • Paradyne 7975 - page 86

    Configuration Option T ables A-6 7975-A2-GB20-40 December 1998 T able A-2. Synchronous Data Port Options (3 of 3) Port (DTE) Initiated Loopbacks Possible Settings: Disable, DTLB, DCLB, Both Default Setting: Disable Allows the initiation and termination of a local Data T erminal Loopback (DTLB) or remote Data Channel Loopback (DCLB) by the DTE conne ...

  • Paradyne 7975 - page 87

    Configuration Option T ables A-7 7975-A2-GB20-40 December 1998 System Options Menu For System Options, refer to T able A-3. T o access the System Options screen, follow this menu selection sequence: Main Menu → Configuration → Load Configuration From → System T able A-3. System Options DSL Mode Possible Settings: LT U , NTU Default Setting: N ...

  • Paradyne 7975 - page 88

    Configuration Option T ables A-8 7975-A2-GB20-40 December 1998 Communication Port For Communication Port Options, refer to T able A-4. T o access the Communication Port screen, follow this menu selection sequence: Main Menu → Configuration → Load Configuration From → Communication Port T able A-4. Communication Port (1 of 3) Port Use Possible ...

  • Paradyne 7975 - page 89

    Configuration Option T ables A-9 7975-A2-GB20-40 December 1998 T able A-4. Communication Port (2 of 3) Stop Bits Possible Settings: 1, 1.5, 2 Default Setting: 1 Specifies the number of stop bits for the communication port. 1 – One stop bit. 1.5 – One and one half stop bits . 2 – T wo stop bits used . Ignore Control Leads Possible Settings: Di ...

  • Paradyne 7975 - page 90

    Configuration Option T ables A-10 7975-A2-GB20-40 December 1998 T able A-4. Communication Port (3 of 3) Disconnect Time (Minutes) Possible Settings: 1 – 60 Default Setting: 5 Number of minutes of inactivity before the session terminates automatically . Timeout is based on no keyboard activity . H Disconnect T ime (minutes) option appears when Ina ...

  • Paradyne 7975 - page 91

    Configuration Option T ables A-1 1 7975-A2-GB20-40 December 1998 Management and Communication Options Menu The Management and Communication Options Menu includes the following: H T elnet Sessions Options , T able A-5 H Communication Protocol Options , T able A-6 H SNMP T raps Options , T able A-7 H General SNMP Management Options , T able A-8 H SNM ...

  • Paradyne 7975 - page 92

    Configuration Option T ables A-12 7975-A2-GB20-40 December 1998 T able A-5. T elnet Sessions Options (2 of 2) Session Access Level Possible Settings: Administrator , Operator Default Setting: Administrator The T elnet session access level is interrelated with the access level of the Login ID. Refer to A TI Access Levels in Chapter 7, Security for m ...

  • Paradyne 7975 - page 93

    Configuration Option T ables A-13 7975-A2-GB20-40 December 1998 T able A-6. Communication Protocol Options (2 of 2) Node Subnet Mask Possible Settings: 000.000.000.000 – 255.255.255.255 Default Setting: 000.000.000.000 Specifies the Node Subnet Mask. This option is only available when the standalone unit is configured as an L TU. 000.000.000.000 ...

  • Paradyne 7975 - page 94

    Configuration Option T ables A-14 7975-A2-GB20-40 December 1998 SNMP T raps Options T o access the SNMP T raps Options screen, follow this menu selection sequence: Main Menu → Configuration → Load Configuration From → Edit → Management and Communication → SNMP T raps T able A-7. SNMP T raps Options (1 of 2) SNMP T raps Possible Settings: ...

  • Paradyne 7975 - page 95

    Configuration Option T ables A-15 7975-A2-GB20-40 December 1998 T able A-7. SNMP T raps Options (2 of 2) Enterprise Specific T raps 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: Refer to Enter ...

  • Paradyne 7975 - page 96

    Configuration Option T ables A-16 7975-A2-GB20-40 December 1998 General SNMP Management Options SNMP configuration options allow you to specify the information necessary to support the T ermination Unit General SNMP functionality . T o access the General SNMP Management Options screen, follow this menu selection sequence: Main Menu → Configuratio ...

  • Paradyne 7975 - page 97

    Configuration Option T ables A-17 7975-A2-GB20-40 December 1998 SNMP NMS Security Options SNMP configuration options allow you to specify the information necessary to support the T ermination Unit SNMP NMS Security . T o access the SNMP NMS Security Options screen, follow this menu selection sequence: Main Menu → Configuration → Load Configurat ...

  • Paradyne 7975 - page 98

    Configuration Option T ables A-18 7975-A2-GB20-40 December 1998 This page intentionally left blank. ...

  • Paradyne 7975 - page 99

    B-1 7975-A2-GB20-40 December 1998 Standards Compliance for SNMP T raps B SNMP T raps 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: H warmStart H authenticationFailure H linkUp H linkDown warmStart SNMP T rap Description Pos ...

  • Paradyne 7975 - page 100

    Standards Compliance for SNMP T raps B-2 7975-A2-GB20-40 December 1998 linkUp and linkDown The link SNMP traps are: H linkUp – The unit recognizes that one of the communication interfaces is operational. H linkDown – The unit recognizes that one of the communication interfaces is not operational. The network and synchronous port interfaces (phy ...

  • Paradyne 7975 - page 101

    Standards Compliance for SNMP T raps B-3 7975-A2-GB20-40 December 1998 Enterprise-Specific T raps The enterpriseSpecific trap 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 T rap Descri ...

  • Paradyne 7975 - page 102

    Standards Compliance for SNMP T raps B-4 7975-A2-GB20-40 December 1998 The tests that affect the enterpriseT estStart, enterpriseT estStop, 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 ...

  • Paradyne 7975 - page 103

    C-1 7975-A2-GB20-40 December 1998 Cables and Pin Assignments C Overview The following sections provide pin assignments: H DSL Network Interface Cable H COM Port Interface Cable H EIA-530A Port Interface Connector H EIA-530A to X.21 Interface Cable H EIA-530A to RS 449 Interface Cable H EIA-530A to V .35 Interface Cable H Power Input Connector H Opt ...

  • Paradyne 7975 - page 104

    Cables and Pin Assignments C-2 7975-A2-GB20-40 December 1998 DSL Network Interface Cable The DSL line interface cable is a 20-foot, 24 A WG solid, 2-twisted-pair cable that is RJ48C-to-RJ48C (Figure C-1). T able C-1. DSL Network Interface Connector Signal Pin Number Ring 4 Ti p 5 98-15954 Unused Unused Ring Tip T wisted P air T wisted P air RJ48C P ...

  • Paradyne 7975 - page 105

    Cables and Pin Assignments C-3 7975-A2-GB20-40 December 1998 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 A WG, 8-conductor cable with an 8-position modular plug keyed connector and a DB9 socket connector (Figure C-2). The COM port connector is ...

  • Paradyne 7975 - page 106

    Cables and Pin Assignments C-4 7975-A2-GB20-40 December 1998 T able C-2. COM Port Connector (J6) Signal Direction Pin Number Reserved for future use to DTE (Out) 1 DCE Received Data to DTE (Out) 2 Signal Ground — 3 DCE T ransmit Data from DTE (IN) 4 DCE Data T erminal Ready from DTE (IN) 5 DCE Carrier Detect to DTE Out) 6 DCE Request-to-Send from ...

  • Paradyne 7975 - page 107

    Cables and Pin Assignments C-5 7975-A2-GB20-40 December 1998 EIA-530A Port Interface Connector The EIA-530A Port interface connector information is shown in T able C-3. T able C-3. EIA-530A Port Interface Connector Signal Circuit Mnemonic CCITT Number Direction Pin Shield — — — 1 Signal Common AB 102A — 7 Signal Common AC 102B — 23 T rans ...

  • Paradyne 7975 - page 108

    Cables and Pin Assignments C-6 7975-A2-GB20-40 December 1998 EIA-530A-to-X.21 Interface Cable The EIA-530A-to-X.21 adapter cable (Figure C-3) provides the X.21 interface shown in T able C-3. 98-15883 2 14 3 16 17 9 4 19 8 10 7 24 11 2 9 4 11 6 13 3 10 5 12 8 7 14 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 TD-A ...

  • Paradyne 7975 - page 109

    Cables and Pin Assignments C-7 7975-A2-GB20-40 December 1998 T able C-3. X.21 Cable Interface Signal CCITT Number Direction Pin Signal Common 102 — 8 T ransmitted Data 103 T o DSU/CSU 2 (A) 9 (B) Received Data 104 From DSU/CSU 4 (A) 1 1 (B) Request-to-Send 105 T o DSU/CSU 3 (A) 10 (B) Data Channel Received Line Signal Detector 109 From DSU/CSU 5 ...

  • Paradyne 7975 - page 110

    Cables and Pin Assignments C-8 7975-A2-GB20-40 December 1998 EIA-530A-to-RS449 Cable Interface The EIA-530A-to-RS449 adapter cable (Figure C-4) provides the RS449 interface shown in T able C-4. 98-15902 1 2 14 3 16 15 12 17 9 4 19 5 13 20 8 10 6 7 21 18 23 24 11 25 22 1 4 22 6 24 5 23 8 26 7 25 9 27 12 13 31 11 19 14 10 20 17 35 18 29 30 SHIELD TD- ...

  • Paradyne 7975 - page 111

    Cables and Pin Assignments C-9 7975-A2-GB20-40 December 1998 T able C-4. RS449 Cable Interface Signal Circuit Mnemonic CCITT Number Direction Pin Shield — — — 1 Signal Ground SG 102A — 19 Receive Ground RC 102B — 20 Send Common SC — — 37 Send Data SD 103 T o DSU/CSU 4 (A) 22 (B) Receive Data RD 104 From DSU/CSU 6 (A) 24 (B) Request-to ...

  • Paradyne 7975 - page 112

    Cables and Pin Assignments C-10 7975-A2-GB20-40 December 1998 EIA-530A-to-V .35 Cable Interface The EIA-530A-to-V .35 adapter cable ( Figure C-5 ) provides the V .35 interface shown in T able C-5 . 98-15885 Pin 1 MM A B NN 1 2 14 3 16 15 12 17 9 4 5 8 6 7 24 11 20 21 18 25 23 A P S R T Y AA V X C D F E B U W H N L NN SHIELD TD-A TD-B RD-A RD-B TXC- ...

  • Paradyne 7975 - page 113

    Cables and Pin Assignments C-1 1 7975-A2-GB20-40 December 1998 T able C-5. V .35 Cable Interface Signal CCITT Number Direction Pin Shield — — A Signal Common 102 — B T ransmitted Data 103 T o DSU/CSU P (A) S (B) Received Data 104 From DSU/CSU R (A) T (B) Request to Send 105 T o DSU/CSU C Clear to Send 106 From DSU/CSU D Data Channel Received ...

  • Paradyne 7975 - page 114

    Cables and Pin Assignments C-12 7975-A2-GB20-40 December 1998 Power Input Connector The required input power connector leads are shown in T able C-6. T able C-6. DC Power Connector Signal Pin Number +24 Vdc 5 +24 Vdc Return 4 Chassis Ground 3 Optional Power Cable The optional power cable is a 14.5-foot, 18 A WG stranded cable. The connector is term ...

  • Paradyne 7975 - page 115

    D-1 7975-A2-GB20-40 December 1998 T echnical Specifications D Specifications Criteria* Size Width 7.25 inches (18.4 cm) Height 1.5 inches (3.8 cm) Length 9.4 inch (24.9 cm) Weight Approximately 1.25 lbs. (0.6 kg) Approvals Safety Certifications Refer to the equipment’s label for approvals on product. Power The 7975 T ermination Unit contains a DC ...

  • Paradyne 7975 - page 116

    T echnical Specifications D-2 7975-A2-GB20-40 December 1998 This page intentionally left blank. ...

  • Paradyne 7975 - page 117

    GL-1 7975-A2-GB20-40 December 1998 Glossary Alternate Mark Inversion. A line coding technique used to accommodate the ones density requirements of E1 or T1 lines. Asynchronous T erminal Interface. A menu-driven, VT100-compatible system for configuring and managing the termination unit. Bipolar Violation. In a bipolar signal, a one (mark, pulse) whi ...

  • Paradyne 7975 - page 118

    Glossary GL-2 7975-A2-GB20-40 December 1998 Data T erminal 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. Excessive Error Rate. An error rate that is greater than the threshold that has been configured in the device. Embe ...

  • Paradyne 7975 - page 119

    Glossary GL-3 7975-A2-GB20-40 December 1998 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. A diagnostic procedure that sends a test message back ...

  • Paradyne 7975 - page 120

    Glossary GL-4 7975-A2-GB20-40 December 1998 Virtual terminal protocol in the Internet suite of protocols. Allows the user of one host computer to log into a remote host computer and interact as a normal terminal user for that host. T rivial File Transfer application. A standard TCP/IP protocol that allows simple file transfer to and from a remote s ...

  • Paradyne 7975 - page 121

    IN-1 7975-A2-GB20-40 December 1998 Index A Abort All T ests, 5-1 ac transformer , connecting, 3-2 access SNMP , 1-3, 7-4 to async terminal interface, 2-3 access level effective, 7-1 functions available for , 7-1 access to user interface, resetting/restoring, 7-5 Action on Network LOS Alarm, A-5 administer login, 7-2 Alarm, LED, 4-10 ASCII, printabl ...

  • Paradyne 7975 - page 122

    Index IN-2 7975-A2-GB20-40 December 1998 D data channel loopback (DCLB), 5-9, A-6 data port loopbacks, DTE initiated, A-6 data port tests, 5-7 data terminal loopback (DTLB), 5-8, A-6 dc power option, 3-2 default configuration area, 3-5 delete, Login ID, 7-4 device, messages, 6-3– 6-4 dimensions, D-1 Disconnect T ime, for T elnet session, A-10, A- ...

  • Paradyne 7975 - page 123

    Index IN-3 7975-A2-GB20-40 December 1998 M main menu, 2-2, A-1 Management and Communication Options, A-1 1 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 general support, 1-5 support, 1-5 monitorin ...

  • Paradyne 7975 - page 124

    Index IN-4 7975-A2-GB20-40 December 1998 SNMP Management Configuration, A-16 SNMP management general, 1-5 limiting access, 7-4 SNMP NMS Security Options, A-16, A-17 SNMP T rap Options, NMS n IP Address, A-17 start-up, A TI, 2-1 status, test messages, 4-5 subnet, IP addresses, 8-1 Switchpack definitions, 3-8 Switchpack locations, 3-7 Switchpack S1 D ...

Manufacturer Paradyne Category Network Card

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