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5. Testing

5-4

February 2001

8774-A2-GB20-40

Repeater Loopback

A Repeater Loopback (RLB) loops the signal being sent from the DSX-1 port back
to the DSX-1 port.

T1-to-T1 Repeater Loopback

T1-to-V.35 Repeater Loopback

Procedure

To run a Repeater Loopback:

1. Position the cursor at the Start command next to Repeater Loopback on the

Network & DSX-1 Tests screen.

2. Press Enter.

The Start command is changed to Stop.

3. To manually stop the test, verify that the cursor is positioned at the Stop

command.

4. Press Enter.

The Repeater Loopback cannot be started when any other loopback is
in progress.

NOTE:

Activating the Repeater Loopback test causes the Embedded Operations
Channel (EOC), used for management, to be lost to the remote unit.

CAP

DSL
Port

DSX-1
Port

CAP

LIU

Framer

Transceiver

99-16417

AIS

CAP

DSL
Port

DSX-1
Port

CAP

LIU

Framer

Transceiver

99-16418

Содержание Hotwire 8774

Страница 1: ...Hotwire 8774 TDM SDSL Termination Unit with DSX 1 Interface User s Guide Document No 8774 A2 GB20 40 February 2001 ...

Страница 2: ...ocal sales representative service representative or distributor directly for any help needed For additional information concerning warranty sales service repair installation documentation training distributor locations or Paradyne worldwide office locations use one of the following methods Internet Visit the Paradyne World Wide Web site at www paradyne com Be sure to register your warranty at www ...

Страница 3: ...y requirements of the country in which it is installed If necessary consult with the appropriate regulatory agencies and inspection authorities to ensure compliance 7 A rare phenomenon can create a voltage potential between the earth grounds of two or more buildings If products installed in separate buildings are interconnected the voltage potential may cause a hazardous condition Consult a qualif...

Страница 4: ...may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense 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 e...

Страница 5: ...1 3 User Interface Types 1 4 SNMP Management Capabilities 1 4 Management Information Base MIB Support 1 4 2 Using the Asynchronous Terminal Interface User Interface Access 2 1 Management Serial Port Settings 2 1 Logging In to the Hotwire DSLAM 2 2 Initiating an ATI Session 2 2 Menu Hierarchy 2 4 Screen Work Areas 2 5 Navigating the Screens 2 6 Keyboard Keys 2 6 Function Keys 2 7 Switching Between ...

Страница 6: ...ing AutoRate 3 10 Resetting AutoRate 3 11 Restoring Access to the User Interface 3 11 Resetting the Unit 3 12 4 Monitoring the Unit What to Monitor 4 1 Viewing System and Test Status 4 2 Health and Status Messages 4 3 Self Test Results Messages 4 5 Test Status Messages 4 5 Performance Statistics 4 6 Viewing Network Error Statistics 4 6 Viewing Network Performance Statistics 4 8 Viewing Current Net...

Страница 7: ...d Loopback 5 10 Telco Initiated Remote Line Loopback 5 11 6 Messages and Troubleshooting Overview 6 1 Configuring SNMP Traps 6 2 Device Messages 6 3 Troubleshooting 6 5 7 Security Overview 7 1 ATI Access Levels 7 1 Creating a Login 7 2 Deleting a Login 7 3 Controlling SNMP Access 7 4 Assigning SNMP Community Names and Access Types 7 4 Limiting SNMP Access through the IP Addresses of the Managers 7...

Страница 8: ...ication Menu A 10 Telnet Session Options A 10 General SNMP Management Options A 12 SNMP NMS Security Options A 14 SNMP Trap Options A 16 B Standards Compliance for SNMP Traps SNMP Traps B 1 warmStart B 1 authenticationFailure B 1 linkUp and linkDown B 2 Enterprise Specific Traps B 3 C Connector Pin Assignments C 1 Front Panel 50 Pin DTE Connector Pinouts C 2 D Technical Specifications Glossary Ind...

Страница 9: ...dures for setting up the user interface and configuring the unit Chapter 4 Monitoring the Unit Describes using the LEDs status display and network statistics to monitor the unit Chapter 5 Testing Provides information about available tests and test setup Chapter 6 Messages and Troubleshooting Provides information on SNMP traps device messages and troubleshooting Chapter 7 Security Presents procedur...

Страница 10: ...mber Document Title 7974 A2 GB20 Hotwire 7974 TDM SDSL Standalone Termination Unit with DSX 1 Interface User s Guide 8000 A2 GB22 Hotwire Management Communications Controller MCC Card IP Conservative User s Guide 8000 A2 GB29 Hotwire Management Communications Controller MCC Card User s Guide 8600 A2 GN20 Hotwire 8600 Digital Subscriber Line Access Multiplexer DSLAM Installation Guide 8610 A2 GN10 ...

Страница 11: ...at full or fractional payload rates over a 2 wire full duplex circuit over varying distances Examples include support for router multiplexer and PBX connections on 24 gauge 5 mm cable at greater than 14 000 feet 4 6 km delivered at 1 544 Mbps Hotwire 2 wire TDM SDSL units are equipped with an automatic configuration capability that reduces the installation process to a simple plug and play mode ...

Страница 12: ...nterface ATI Provides a menu driven VT100 compatible terminal interface for configuring and managing the unit locally or remotely by Telnet session Local Management Provides local management using the Management Communications Card MCC with a Terminal or PC via the Management Serial port of the DSLAM Network Management System NMS via the Management MCC port of the DSLAM NMS connection through the ...

Страница 13: ... frame relay encapsulated or unframed data Figure 1 1 Sample CO to CP Configuration Figure 1 2 Sample Campus Configuration shows termination units used to distribute T1 lines over a campus Figure 1 2 Sample Campus Configuration Frame Relay Switch Router T1 Host Frame Relay Encapsulated Data 99 16412 Router Frame Relay Encapsulated Data EIA 530 Router 1 544 Mb over DSL 8774 Termination Unit in 8600...

Страница 14: ...general information about the unit MIB II is backward compatible with MIB I DS1 E1 MIB RFC 1406 Reports the performance status of the DSX 1 interface and supports the features found on the DSX 1 Performance Statistics screen RS 232 Like MIB RFC 1659 Defines objects for managing RS 232 type interfaces e g V 35 RS 422 RS 423 etc and supports the synchronous data port on the DSU Enterprise MIB Suppor...

Страница 15: ...C NOTE Only one ATI session can be active at a time and another user s session cannot be forced to end To automatically log out a user due to inactivity enable the Inactivity Timeout option To enable the Inactivity Timeout option refer to Table A 5 Telnet Session Options in Appendix A Configuration Options Security can limit ATI access several ways To set up security or a login ID refer to Chapter...

Страница 16: ...tiating an ATI Session The Main Menu screen is displayed unless a login ID and password is required or the ATI is already in use If the ATI is already in use the message connection refused is sent to the terminal attempting Telnet access If security is enabled and Telnet is used to access the terminal unit directly you did not log in through the MCC the system prompts you for a login ID and passwo...

Страница 17: ...ch interface and each user Data selection criteria What you entered in previous screens main Access Level Administrator Hotwire Slot 4 Model 8774 MAIN MENU Status Test Configuration Control Ctrl a to access these functions Exit Screen Area Function Keys and Message Area Select To Status View system status diagnostic test results statistics LED status and device identity information Test Select sta...

Страница 18: ...atistics Network Performance Statistics Configuration Control Default Factory Configuration Configuration Loader Current Configuration Change Identity Administer Logins Download Code Apply Download Reset Autorate Network DSX 1 Tests Device Tests Abort All Tests 01 15708 03 DSX 1 Statistics Reset Device Current Network Performance Network DSX 1 Copy Ports System Options Management and Communication...

Страница 19: ...n Current Configuration Network Function keys and message area This is the area below the dotted line that lists function keys specific to the screen field value choices and system messages main config network Hotwire Slot 4 Model 8774 Port 3 NETWORK INTERFACE OPTIONS Margin Threshold 3db Excessive Error Rate Threshold 1E 5 AutoRate Disable DSL Line rate 1552 Circuit Identifier Clear Ctrl a to acc...

Страница 20: ...s and message area below the dotted line at the bottom of the screen Esc Return to the previous screen Tab Move cursor to the next field on the screen Backspace Move cursor to the previous field on the screen Enter Accept entry or display valid options on the last row of the screen when pressed before entering data or after entering invalid data Ctrl k Tab backwards move cursor one field to the le...

Страница 21: ...valid values Press Enter to select the value Function Keys All function keys located below the dotted line operate the same way upper or lowercase throughout the screens For the screen function Select And press Enter to ClrFar F or f Clear far end network statistics and refresh the screen ClrNear N or n Clear near end network statistics and refresh the screen ClrStats S or s Clear DSX 1 statistics...

Страница 22: ...er the designated underlined character for the function key or press the Tab key until you reach the desired function key Example To save the current options type s or S Save 3 Press Enter The function is performed 4 To return to the screen area above the dotted line press Ctrl a again main config network Hotwire Slot 4 Model 8774 Port 3 NETWORK INTERFACE OPTIONS Margin Threshold 3db Excessive Err...

Страница 23: ...the unit through the management card the Hotwire Chassis Card Selection menu appears Exiting From the DSLAM Session You can manually log out of the system or after five minutes of inactivity the system automatically logs out when the inactivity time out option is enabled Procedure To manually exit from the Hotwire DSLAM system 1 Return to the Hotwire Chassis Main Menu by selecting Exit from either...

Страница 24: ...2 Using the Asynchronous Terminal Interface 2 10 February 2001 8774 A2 GB20 40 ...

Страница 25: ...nd reset the unit These procedures include Entering Identity Information on page 3 2 Configuring the Unit on page 3 3 Current and Default Factory Configurations on page 3 4 Configuration Loader on page 3 5 Saving Configuration Changes on page 3 7 Downloading Firmware on page 3 8 AutoRate Feature on page 3 10 Disabling AutoRate on page 3 10 Resetting AutoRate on page 3 11 Restoring Access to the Us...

Страница 26: ...e System Name The general SNMP system name System Location The physical location of the SNMP managed device System Contact Identification information such as contact name phone number or mailing address Valid entry values are any printable ASCII character ASCII printable characters include Numeric 0 9 Upper or lowercase A Z Space All ASCII symbols except the caret Select Clear to reset a field to ...

Страница 27: ...ion keys area below the dotted line 5 Select Save and press Enter Configuring the Unit Configuration option settings determine how the termination unit operates Use the Configuration menus to select display or change configuration option settings The unit is shipped with factory settings that match the options and settings in the Default Factory Configuration area To display configuration options ...

Страница 28: ...t has been misconfigured In the menu selection sequences contained in this manual Current Configuration is assumed and shown If you select Then Current Configuration The selected configuration option set is loaded and the Configuration Edit Display menu appears This is the unit s currently active configuration Configuration Loader The Configuration Loader screen is displayed allowing you to upload...

Страница 29: ...ts Options Table A 3 DSL network and DSX 1 interface ports by copying options from port to port System Options System Options Table A 4 General system options of the unit Management and Communication Telnet Session Options Table A 5 General SNMP Management Options Table A 6 SNMP NMS Security Options Table A 7 SNMP Traps Options Table A 8 Management support of the unit through SNMP and Telnet main ...

Страница 30: ...d write permissions 2 Position the cursor in the TFTP Server IP Address field Enter the TFTP server IP address The first three digits of the IP address cannot be 000 or greater than 223 3 Position the cursor in the TFTP Transfer Direction field Use the spacebar to select Download from Server or Upload to Server 4 Position the cursor in the Destination field Use the spacebar to select a network des...

Страница 31: ...sion to disconnect Do not answer Yes unless you are prepared to disconnect If the DSL Mode configuration option is changed the Save Configuration screen bears the warning that an answer of Yes will cause the system to reset Do not answer Yes unless you are prepared to reset the unit NOTE When Exit is selected before Save or Save has been selected from any Configuration Edit menu a Save Configurati...

Страница 32: ...e cursor in the TFTP Server IP Address field Enter the TFTP server IP address The first three digits of the IP address cannot be 000 or greater than 223 3 Position the cursor in the Destination field Use the spacebar to select a network destination for the TFTP server 4 Position the cursor in the Immediately Apply Download field If you would like the download to be effective immediately select Yes...

Страница 33: ...s the Escape key to return to the Control menu Select Apply Download 2 On the Apply Download screen type Yes to reset the card and activate the code Selecting Yes causes the termination unit to reset NOTE The termination unit has two flash memory banks to hold executable firmware You can switch between these two firmware versions by applying the firmware listed on the Apply Download screen main co...

Страница 34: ...te option is only available if the unit is configured as an LTU To access the Network Interface screen follow this menu selection sequence Main Menu Configuration Current Configuration Network The AutoRate option defaults to Enable Procedure To disable AutoRate 1 Position the cursor in the AutoRate field and press the spacebar The AutoRate field toggles to Disable and the DSL Line Rate field appea...

Страница 35: ...f the unit could render the user interface inaccessible If this occurs access can be restored using the MCC Procedure To reset the DSL Card using the DSLAM s management card 1 Follow this menu selection sequence Configuration DSL Cards Reset Slot 2 Enter DSLnn where nn is the slot number for the DSL card you wish to reset 3 Enter Reset 4 Enter Y if you want to clear NVRAM also otherwise enter N En...

Страница 36: ...interface is functional and you would like to reset the unit without removing it from the DSLAM you can reset the unit from the Control menu Procedure To reset the unit from the Control menu 1 Follow this menu selection sequence Main Menu Control Reset Device The message Are you sure appears 2 Enter Yes ...

Страница 37: ...ations Viewing System and Test Status on page 4 2 Health and Status Messages on page 4 3 Self Test Results Messages on page 4 5 Test Status Messages on page 4 5 Performance Statistics on page 4 6 Viewing Network Error Statistics on page 4 6 Viewing Network Performance Statistics on page 4 8 Viewing Current Network Performance on page 4 10 Viewing DSX 1 Performance Statistics on page 4 11 Viewing L...

Страница 38: ...st run on the device itself Refer to Table 4 2 Self Test Results Messages Test Status Currently active tests Refer to Table 4 3 Test Status Messages main status system Hotwire Slot 4 Model 8774 SYSTEM AND TEST STATUS Page 1 of 1 HEALTH AND STATUS SELF TEST RESULTS TEST STATUS LOS at Net Pt n CPU Failed No Test Active OOF at Net Pt n Device Failed LLB Test Active Pt n EER at Net Pt n Net DSL Failed...

Страница 39: ...sive Error Rate condition has been detected on the DSX 1 interface 1 Verify the attached equipment coding is compatible 2 Contact network provider EER at Net Pt n An EER Excessive Error Rate condition has been detected on the network interface at Port n The condition is cleared when the error rate falls below the threshold value currently configured 1 Check the Network Performance Statistics scree...

Страница 40: ...atch OOF at Net Pt n Three consecutive frame synchronization bits were in error 1 Check the Transmit Clock Source configuration options Do not set both the local and remote unit to Internal External or Loop timing 2 Set the unit to run at a lower DSL line rate 3 Contact network provider Prim Clk Failed Pt n A failure has occurred in the primary clock source configured from the Network DSX or from ...

Страница 41: ...t n Failure xxxxxxxx An internal failure occurred xxxxxxxx represents an 8 digit hexadecimal failure code for use by service personnel Record the failure code and contact your service representative Memory Failed The unit failed memory verification 1 Reset the unit and try again 2 Call your service representative for assistance Net DSL Failed Pt n The unit failed to loop data on the network DSL ci...

Страница 42: ...cs on the network DSL interface for each port To view Network Error Statistics follow this menu selection sequence Main Menu Status Performance Statistics Network Error Statistics main status performance net_error Hotwire Slot 4 Model 8774 Port 3 NETWORK ERROR STATISTICS Current Interval Timer 2 Error Events Counter 34 ES SES FEBE Complete Near Far Near Far Near Far Near Far Current Int 000 000 00...

Страница 43: ...ve elapsed in the current 15 minute interval Maximum value is 900 seconds 15 minutes This counter is reset every 15 minutes When zero the port is disabled Error Events Counter A running total of CRC errors Range 0 65535 This counter resets when the near end data is cleared When zero the port is disabled Current Int Performance data for the current 15 minute interval When blank the port is disabled...

Страница 44: ...or better XmtPw The transmit power level RxGn The receiver gain level Complete Whether the interval register contains data for all 900 seconds of the interval main status performance net_perf Hotwire Slot 4 Model 8774 Port 3 NETWORK PERFORMANCE STATISTICS Payload Rate 1536 kbps Current Interval Timer 002 DSL Line Rate 1552 kbps Mrgn XmtPw RxGn Complete Near Far Near Far Near Far Near Far Current I...

Страница 45: ...e DSL line Payload Rate The rate of data transfer Table 4 4 Payload Rates shows payload rates relative to line rates Current Int Performance data for the current 15 minute interval Interval xx Historical performance data for up to 96 15 minute intervals 24 hours Table 4 4 Payload Rates DSL Line Rate kbps Maximum Payload Rate kbps T1 to T1 Number of Time Slots Maximum Payload Rate kbps T1 to V 35 N...

Страница 46: ... Rate BER of 10 7 or better XmtPw The transmit power level RxGn The receiver gain level The following Network Error Statistics are collected for the selected port ES Errored Seconds Seconds during which one or more ESF error events occurred SES Severely Errored Seconds Seconds during which more than 320 cyclic redundancy check CRC error events or at least one Out of Frame OOF event occurred FEBE F...

Страница 47: ...ents or at least one Out of Frame OOF event occurred Field Contains Current Interval Timer The number of seconds which have elapsed in the current 15 minute interval Maximum value is 900 seconds 15 minutes This counter is reset every 15 minutes When zero the port is disabled Payload Rate The rate of data transfer DSL Line Rate The rate of the DSL line main status performance DSX 1 Hotwire Slot 4 M...

Страница 48: ...at the DSX 1 interface E Excessive error rate threshold exceeded F Frame synchronization bit error detected V Line code violation detected None No significant events have occurred Fields on this screen include This Field Contains Current Interval Timer 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 min...

Страница 49: ...1 interface DSL Loop LEDs display the activity on the DSL network To view the LED status screen follow this menu selection sequence Main Menu Status Display LEDs The LED status display screen is updated every 5 seconds For information about the meaning of the LEDs see Front Panel LEDs on page 4 14 main status leds Hotwire Slot 4 Model 8774 DISPLAY LEDs GENERAL DSX 1 DSL LOOP ALRM Off P1 Lnk Up P1 ...

Страница 50: ... mode and a download is required Normal operation Alrm Amber On Off Device failure or the Power On Self Test POST has failed No alarms exist Test Amber On Slow cycling Off Loopback test or 511 test pattern is in progress POST is in progress No tests are active DSX 1 1 2 3 4 Green On Slow cycling Fast cycling Off Recoverable signal is present on the DSX 1 interface Yellow Alarm Indication RAI is pr...

Страница 51: ...twork DSX 1 Tests Start and stop tests on the network or DSX 1 interface Device Tests Start and stop a lamp test Abort All Tests To abort all currently tests excluding Network initiated loopback tests An aborted test may continue to run for a few seconds as the abort command is sent to the remote end and processed main test Hotwire Slot 4 Model 8774 TEST Network DSX 1 Tests Device Tests Abort All ...

Страница 52: ... Results column displays the test duration When the Send and Monitor 511 test is active ResetMon is available to reset the error counter to zero Selecting Abort All Tests from the Test menu will not disrupt a Send and Monitor 511 test main test network_DSX1 Hotwire Slot 4 Model 8774 NETWORK DSX 1 TESTS Test Command Status Results Local Loopbacks Line Loopback Start Inactive 00 00 00 DSX 1 Repeater...

Страница 53: ...tion the cursor at the Start command next to Line Loopback on the Network DSX 1 Tests screen 2 Press Enter The Start command is changed to Stop 3 To manually stop the test verify that the cursor is positioned at the Stop command 4 Press Enter The Line Loopback cannot be started when another loopback or pattern test is in progress CAP DSL Port DSX 1 Port CAP T1 LIU Framer Framer Transceiver AIS 98 ...

Страница 54: ...ork DSX 1 Tests screen 2 Press Enter The Start command is changed to Stop 3 To manually stop the test verify that the cursor is positioned at the Stop command 4 Press Enter The Repeater Loopback cannot be started when any other loopback is in progress NOTE Activating the Repeater Loopback test causes the Embedded Operations Channel EOC used for management to be lost to the remote unit CAP DSL Port...

Страница 55: ...on the cursor at the Start command next to DTE Loopback on the Network DSX 1 Tests screen 2 Press Enter The Start command is changed to Stop 3 To manually stop the test verify that the cursor is positioned at the Stop command 4 Press Enter The DTE Loopback cannot be started when any other loopback is in progress CAP DSL Port DSX 1 Port CAP T1 LIU Framer Framer Transceiver 98 16110 All Ones ...

Страница 56: ...used to verify the link Procedure To run a Remote Send Line loopback 1 Position the cursor at the Up or Down selection next to Send Line Loopback on the Network DSX 1 Tests screen 2 Press the spacebar to select either Up or Down 3 Position the cursor at the Send command next to Up or Down selection 4 Press Enter The local unit stops sending the loopback command automatically after 10 seconds you c...

Страница 57: ...d Monitor 511 test 1 Position the cursor at the Start command next to Send and Monitor 511 on the Network DSX 1 Tests screen 2 Press Enter The Start command is changed to Stop 3 To manually stop the test verify that the cursor is positioned at the Stop command 4 Press Enter When a Send and Monitor 511 test is active a count of bit errors is displayed next to the test duration and the ResetMon virt...

Страница 58: ...he LEDs 1 Position the cursor at the Start command next to Lamp Test on the Device Tests screen 2 Press Enter The Start command is changed to Stop During the Lamp Test all LEDs blink simultaneously every second When you stop the Lamp Test the LEDs are restored to their normal condition 3 To stop the Lamp Test position the cursor at the Stop command 4 Press Enter main test card Hotwire Slot 4 Model...

Страница 59: ...nit terminates the test The default is 10 minutes Refer to Table A 4 System Options in Appendix A Configuration Options Command column Under the Command column on any test screen position the cursor at Stop next to the active test and press Enter to stop a specific test Abort All Tests menu selection Select Abort All Tests from the Test menu to stop all tests running on all interfaces Command Comp...

Страница 60: ...oved Telco Initiated Payload Loopback The unit supports a Payload Loopback as specified in AT T TR 54016 and ANSI T1 403 A Telco initiated Line Loopback loops the received signal on the DSX 1 interface back to the DSX 1 interface Framing CRC and FDL bits are regenerated at the point of loopback and BPVs are removed Activation and Deactivation Line Loopback Payload Loopback Remote Line Loopback In ...

Страница 61: ...d Line Loopback loops received data at the remote unit and passes it back to the Telco through the local unit The following figure shows the data flow for a remote Telco initiated payload loopback CAP DSX 1 Port CAP T1 LIU Framer Framer Transceiver 98 16109 CAP CAP T1 LIU Framer Framer Transceiver Telco Local Remote DSX 1 Port AIS DSL ...

Страница 62: ...5 Testing 5 12 February 2001 8774 A2 GB20 40 ...

Страница 63: ...oubleshooting 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 on page 6 2 Device Messages on page 6 3 Troubleshooting on page 6 5 ...

Страница 64: ... Select the type of SNMP traps to be sent from the unit To configure SNMP Traps follow this menu selection sequence Main Menu Configuration Current Configuration Management and Communication SNMP Traps Refer to Table A 8 SNMP Traps Options in Appendix A Configuration Options to configure SNMP Traps main config management trap Hotwire Slot 4 Model 8774 SNMP TRAPS OPTIONS SNMP Traps Enable Number of...

Страница 65: ... No action needed Invalid Character x A nonprintable ASCII character x has been entered Reenter information using valid characters Invalid Password Login is required and an incorrect password was entered access is denied Try again Contact your system administrator to verify your password Invalid Send Pattern Already Active A pattern test was already in progress when the Start field was selected Al...

Страница 66: ...assword field of the Administer Logins screen does not match what was entered in the Password field Try again Contact your system administrator to verify your password Please Wait Command takes longer than 5 seconds Wait until message clears Test Active A test is running and no higher priority health and status messages exist Contact service provider if test initiated by the network Wait until the...

Страница 67: ...nit detects an internal hardware failure Reset the unit Contact your service representative No power or the LEDs are not lit The unit is not properly seated in the DSLAM Verify that the unit is properly inserted There is no power to the DSLAM Verify that the DSLAM has power An LED is not lit LED is out Run the Lamp Test If the LED in question does not flash with the other LEDs then contact your se...

Страница 68: ...6 Messages and Troubleshooting 6 6 February 2001 8774 A2 GB20 40 ...

Страница 69: ...evels Administrator and Operator The access level determines what functions are accessible as shown in Table 7 1 Access Levels Access level is also used to control access via Telnet If the Telnet Session Access Level is set to Administrator a Login ID with an Operator access level is not permitted access see Table A 5 Telnet Session Options in Appendix A Configuration Options The effective access ...

Страница 70: ...nister Logins 2 Select New and press Enter The Login Entry screen appears main control admin_logins Hotwire Slot 4 Model 8774 ADMINISTER LOGINS Page 1 of 1 Login ID newuser Access Level Administrator Are You Sure Yes ESC for previous menu MainMenu Exit Save PgUp PgDn New Delete main control admin_logins Hotwire Slot 4 Model 8774 LOGIN ENTRY Login ID newuser Password e34t136 Re enter Password e34t1...

Страница 71: ...rd follow this menu selection sequence Main Menu Control Administer Logins 2 Select PgUp 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 select Delete and press Enter 4 To complete the delete action select Save and press Enter When the deletion is complete Command Complete appears at the bottom of the screen Th...

Страница 72: ... Management Options in Appendix A Configuration Options to Enable SNMP Management Assign the SNMP community names of the SNMP Managers that are allowed to access the units Management Information Base MIB Specify Read or Read Write access for each SNMP community name Limiting SNMP Access through the IP Addresses of the Managers The unit provides an additional level of security through validation of...

Страница 73: ... assigned you can use the ATI to assign Peer IP addresses to the four DSL ports These addresses are used as the IP addresses of the remote units See Table A 1 Network Interface Options in Appendix A Configuration Options An IP address for each NMS to act as a trap manager See Table A 8 SNMP Traps Options in Appendix A Configuration Options All Configurations The NTU obtains its IP address when the...

Страница 74: ...Peer IP Address Assignments for an example of an IP addressing scheme In the example the Peer IP Address Refers to the IP address of the unit configured as an NTU Is assigned by the LTU Figure 8 1 Peer IP Address Assignments 99 16040 02 DSLAM DSLAM 79xx 79xx 79xx MCC Base Address 126 35 50 1 MCC Base Subnet Mask 255 255 255 0 Port 1 Peer IP Address 126 35 1 5 MCC LTU 87xx Port 2 Peer IP Address 12...

Страница 75: ...uration Select To Access the To Configure the Network Network Interface Options Table A 1 DSL network interface Ports 1 4 DSX 1 Interface DSX 1 Interface Options Table A 2 DSX 1 interface port Copy Ports Copy Ports Options Table A 3 DSL network and DSX 1 interface ports by copying options from port to port System System Options Table A 4 General system options of the unit Management and Communicat...

Страница 76: ...dition is recognized 5db to 10db Sets the margin threshold to this value Excessive Error Rate Threshold Possible Settings 1E 4 1E 5 1E 6 1E 7 1E 8 1E 9 Default Setting 1E 6 Determines the error rate at which an excessive error rate EER condition is recognized The rate is the ratio of the number of CRC errors to the number of bits received in a certain period 1E 4 to 1E 9 Sets the excessive error r...

Страница 77: ... Line Rate in kbps Peer IP Address Possible Settings 001 000 000 000 223 255 255 255 Clear Default Setting 000 000 000 000 Specifies the peer IP address providing the remote management link on the DSL loop Peer IP Address is only available when the unit is configured as an LTU and the unit is not in IP Conservative mode 001 000 000 000 223 255 255 255 Enter an address for the peer unit The range f...

Страница 78: ...n sequence Main Menu Configuration Current Configuration DSX 1 main config DSX 1 Hotwire Slot 4 Model 8774 Port 3 DSX 1 INTERFACE OPTIONS Port Status Enable Line Framing ESF Line Coding B8ZS Line Equalization 0 133 Excessive Error Rate Threshold 1E 4 Send AIS on Network Failure Enable Send All Ones on DSX 1 Failure Enable Primary Clock Source DSX 1 Ctrl a to access these functions ESC for previous...

Страница 79: ...ng is used for transmitted and received data over the DSX 1 Interface D4 D4 framing format is used for transmitted and received data over the DSX 1 Interface Line Coding Possible Settings AMI B8ZS Default Setting B8ZS Specifies the line coding format to be used by the DSX 1 interface AMI Indicates the line coding format used by the DSX 1 interface is Alternate Mark Inversion AMI B8ZS Indicates the...

Страница 80: ... interface is passed through to the DSX 1 network unchanged Send All Ones on DSX 1 Failure Possible Settings Enable Disable Default Setting Enable Specifies the action taken on the signal transmitted to the network when a valid signal cannot be recovered from the network interface LOS or OOF Enable A pattern of all ones is sent to the DSX 1 port in the event of an LOS or LOF condition on the DSX 1...

Страница 81: ...ols the source of the configuration options 1 4 The configuration of the selected port is copied To Port y Possible Settings 1 2 3 4 All Default Setting 2 Controls the target of the configuration options 1 4 The configuration of the selected port is replaced If Perform Copy Then Increment is selected the port number is incremented by 1 after the copy All The configurations of all ports are replace...

Страница 82: ...creen follow this menu selection sequence Main Menu Configuration Current Configuration System main config system Hotwire Slot 4 Model 8774 Port 3 SYSTEM OPTIONS DSL Mode LTU Test Timeout Enable Test Duration min 10 Telco Initiated Loopbacks Enable Remote Telco Line Loopback Disabled Ctrl a to access these functions ESC for previous menu MainMenu Exit Save ...

Страница 83: ... screen or remotely network initiated tests Refer to Running Network Tests in Chapter 5 Testing Test Duration min Possible Settings 1 120 Default Setting 10 Number of minutes for a test to be active before automatically ending Test Duration min option appears when Test Timeout is enabled 1 120 Amount of time in minutes for a test to run before terminating Telco Initiated Loopback Possible Settings...

Страница 84: ... options determine what level of security applies to the session to control access Only one Telnet session is allowed at a time Initial values are determined by the configuration you currently have loaded To access the Telnet Session Options screen follow this menu selection sequence Main Menu Configuration Current Configuration Management and Communication Telnet Session main config management te...

Страница 85: ...d for a Telnet session Session Access Level Possible Settings Administrator Operator Default Setting Administrator The Telnet session access level is interrelated with the access level of the Login ID Refer to ATI Access Levels in Chapter 7 Security for more information Administrator This is the higher access level permitting full control of the unit Access level is determined by the Login ID If T...

Страница 86: ...es automatically Timeout is based on no keyboard activity Disconnect Time minutes appears when Inactivity Timeout is enabled It does not appear when the unit is connected to a DSLAM card running in IP Conservative mode 1 60 The Telnet session is closed after the selected number of minutes Table A 5 Telnet Session Options 2 of 2 main config management SNMP Hotwire Slot 4 Model 8774 GENERAL SNMP MAN...

Страница 87: ...ve mode ASCII text field Enter or edit a community name Clear Clears the community name field Name 1 Access Possible Settings Read Read Write Default Setting Read Determines the access level for Community Name 1 Name 1 Access is not available if the unit is in a DSLAM running in IP Conservative mode Read Allows read only access get for Community Name 1 Read Write Allows read write access get for C...

Страница 88: ...de Read Allows read only access get for Community Name 2 Read Write Allows read write access get set for Community Name 2 Table A 6 General SNMP Management Options 2 of 2 main config management security Hotwire Slot 4 Model 8774 SNMP NMS SECURITY OPTIONS NMS IP Validation Enable Number of Managers 5 NMS 1 IP Address 135 014 040 001 Clear Access Type Read Write NMS 2 IP Address 135 014 003 027 Clea...

Страница 89: ...rs An NMS IP address is required for each manager NMS n IP Address Possible Settings 001 000 000 000 223 255 255 255 Clear Default Setting 000 000 000 000 Specifies the Internet Protocol address used to identify each SNMP manager 001 000 000 000 223 255 255 255 Enter an address for each SNMP manager The range for the first byte is 001 to 223 with the exception of 127 The range for the remaining th...

Страница 90: ...nt trap Hotwire Slot 4 Model 8774 SNMP TRAPS OPTIONS SNMP Traps Enable Number of Trap Managers 5 NMS 1 IP Address 135 014 040 001 Clear NMS 2 IP Address 135 014 003 027 Clear NMS 3 IP Address 135 014 001 008 Clear NMS 4 IP Address 135 014 002 024 Clear NMS 5 IP Address 204 128 146 035 Clear General Traps Both Enterprise Specific Traps Disable Link Traps Both Link Traps Interfaces All Ctrl a to acc...

Страница 91: ...5 Enter an address for each SNMP trap manager The range for the first byte is 001 to 223 with the exception of 127 The range for the remaining three bytes is 000 to 255 Clear Clears the IP address and sets to all zeros NMS n Destination Possible Settings IMC DSL1 DSL2 DSL3 DSL4 Default Setting IMC Provides the network destination path of each trap manager NMS n Destination is available only when t...

Страница 92: ... trap is generated when the unit recognizes that one of the communication interfaces is operational Down A linkDown trap is generated when the unit recognizes a failure in one of the communication interfaces Both Sends trap messages for detection of both linkUp and linkDown NOTE Refer to linkUp and linkDown in Appendix B Standards Compliance for SNMP Traps Link Traps Interfaces Possible Settings N...

Страница 93: ...cationFailure linkUp and linkDown warmStart authenticationFailure SNMP Trap Description Possible Cause warmStart The unit has reinitialized itself The trap is sent after the unit resets and stabilizes There are no variable bindings Reset command Power disruption SNMP Trap Description Possible Cause authenticationFailure Failed attempts to access the unit There are no variable bindings Three unsucc...

Страница 94: ... are supported for each model The ifIndex included with the trap consists of the slot number times 1000 plus 2DSL Network Interface Port 1 3DSL Network Interface Port 2 4DSL Network Interface Port 3 5DSL Network Interface Port 4 10DSX 1 Port Port 1 11DSX 1 Port Port 2 12DSX 1 Port Port 3 13DSX 1 Port Port 4 ifAdminStatus RFC 1573 This object specifies the operational state of the interface up 1 DS...

Страница 95: ...during the unit s self test The trap is generated after the unit completes initialization Failure of one or more of the unit s hardware components enterpriseDeviceFail 3 An internal device failure Operating software has detected an internal device failure enterpriseTestStart 5 A test is running At least one test has been started on an interface enterpriseConfigChange 6 The configuration changed vi...

Страница 96: ... Initiates a Remote Loopback testSendMon511 Initiates a Send and Monitor 511 test testSendLLBUp Initiates an LLB Up message to the remote unit testSendLLBDown Initiates an LLB Down message to the remote unit enterpriseTest Start Any one of the following tests is active on the interface Line Loopback Repeater Loopback Remote Line Loopback Send and Monitor 511 enterpriseTest Stop No tests currently ...

Страница 97: ...February 2001 C 1 C Connector Pin Assignments This section lists the pin assignments for the front panel s 50 pin DTE connector For information about the DSLAM connectors see the appropriate DSLAM installation document ...

Страница 98: ...g table lists the pin assignments for each of these interfaces Pins not listed are not connected DSX 1 Port 50 Pin Connector Pinout Function Port 4 36 Data Out Ring 11 Data Out Tip 35 Data In Tip 10 Data In Ring Port 3 33 Data Out Ring 8 Data Out Tip 32 Data In Tip 7 Data In Ring Port 2 30 Data Out Ring 5 Data Out Tip 29 Data In Tip 4 Data In Ring Port 1 27 Data Out Ring 2 Data Out Tip 26 Data In ...

Страница 99: ...tions Refer to the equipment s label for approvals on product Power The Hotwire 8774 Termination Unit contains a DC to DC converter that requires 48V power input The 48V power is distributed through the Hotwire DSLAM backplane Maximum Power Dissipation 19 watts Result 64 83 Btu hr Physical Environment Operating temperature Storage temperature Relative humidity Shock and vibration 32 to 122 F 0 to ...

Страница 100: ...D Technical Specifications D 2 February 2001 8774 A2 GB20 40 ...

Страница 101: ...port A computer s serial communications port used to transmit to and receive data from a modem The modem connects directly to this port CP Customer Premises CPE Customer Premises Equipment Terminal equipment on the service user s side of the telecommunications network interface CPU Central Processing Unit The main or only computing device in a data processing system CRC Cyclic Redundancy Check A m...

Страница 102: ...error events or OOFs ESF Extended SuperFrame The T1 transmission standard that specifies 24 frames as an extended superframe to be used for frame synchronization and to locate signaling bits Ethernet A type of network that supports high speed communication among systems It is a widely implemented standard for LANs All hosts are connected to a coaxial cable where they contend for network access usi...

Страница 103: ... A diagnostic procedure that sends a test message back to its origination point Used to test various portions of a data link in order to isolate an equipment or data line problem LOS Loss of Signal The line condition where there are no pulses LTU Line Termination Unit The control unit on the network end of a link The NTU is on the customer premises end MCC Management Communications Controller The ...

Страница 104: ...ex or one way simplex connection TDM Time Division Multiplexer A device that enables the simultaneous transmission of multiple independent data streams into a single high speed data stream by simultaneously sampling the independent data streams and combining these samples to form the high speed stream Telnet Virtual terminal protocol in the Internet suite of protocols Allows the user of one host c...

Страница 105: ...ling DSL Line Rate A 3 disabling 3 10 A 3 resetting 3 11 B Btu hr D 1 C Circuit Identifier A 3 Clock Failed status message 4 4 Source A 6 Community Name 1 and 2 A 13 for SNMP 7 4 Configuration AutoRate 3 10 Copy Ports Options A 7 Current and Default Factory 3 4 DSX 1 Interface Options A 4 Edit Display menu 3 4 example 1 3 General SNMP Management assigning access 7 4 Options A 12 A 13 load from 3 3...

Страница 106: ...session 2 9 tests 5 9 Enterprise Specific Traps B 3 environment requirements D 1 error messages line 24 6 3 statistics 4 6 Excessive Error Rate EER Threshold A 2 A 6 F factory defaults 3 3 3 4 Failure self test result 4 5 features 1 2 front panel LEDs 4 14 function keys 2 7 and message area 2 5 G General SNMP Management assigning access 7 4 H Health and Status messages 4 3 I Identity 3 2 IMC defin...

Страница 107: ...wn status message 4 4 Margin Threshold status message 4 4 Network current performance statistics 4 10 DSL Failed self test result 4 5 enabling disabling AutoRate 3 10 Error Statistics 4 6 interface options A 2 performance statistics 4 8 Send AIS on Network Failure A 6 tests 5 2 NMS IP Address A 15 IP Validation A 15 Number of Trap Managers A 17 SNMP connectivity 8 1 No Test Active status message 4...

Страница 108: ...13 Performance Statistics Current Network 4 10 DSX 1 4 11 Network 4 8 Network Error 4 6 System and Test 4 2 Health and Status 4 3 Self Test Results 4 5 Test Status 4 5 System device name field 3 2 Identity information 3 2 LEDs 4 14 Options A 9 T technical specifications D 1 Telco Initiated Line Loopback 5 10 Loopback A 9 Payload Loopback 5 10 Remote Line Loopback 5 11 Remote Line Loopback A 9 Teln...

Страница 109: ... B 1 troubleshooting configuring SNMP traps 6 2 Current Network Performance 4 10 DSX 1 Performance Statistics 4 11 Network Error Statistics 4 6 Performance Statistics 4 8 table 6 5 U UNIX TFTP server on 3 6 uploading a configuration 3 6 user interface 1 4 asynchronous terminal 2 1 how to access 2 1 restoring access 3 11 3 12 V virtual function keys 2 7 W warmStart B 1 weight D 1 ...

Страница 110: ...Index IN 6 February 2001 8774 A2 GB20 40 ...

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