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Testing

6-12

7970-A2-GB20-00

August 1999

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.

99-15935-01

NTU/LTU

Port

Interface

Framer

EIA-530

Port

CAP

All Ones

NTU/LTU

Port

Interface

Framer

CAP

Local

Remote

DSL

Procedure

To send a Remote DCLB:

1. Position the cursor at the Up or Down selection next to Send Remote DCLB

on the SYNC Data Port Tests screen.

2. Press the spacebar to select the desired code (Up or Down).

3. Position the cursor at the Start command next to Send Remote DCLB on the

SYNC Data Port Tests screen.

4. Press Enter.

The Status field is changed to Sending. The Up or Down sequence
transmission stops automatically after 10 seconds. You cannot stop the
sequence manually.

The Send Remote DCLB test cannot be started when a Send and Monitor 511
test is active on the network interface.

Содержание 7984

Страница 1: ...HOTWIRE 7974 7975 7976 7984 7985 AND 7986 STANDALONE TERMINATION UNIT USER S GUIDE Document No 7970 A2 GB20 00 August 1999 ...

Страница 2: ...nted and issued as a new release to this manual Warranty Sales Service and Training Information Contact your local 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...

Страница 3: ...cables are provided with this product Special cables which may be required by the regulatory inspection authority for the installation site are the responsibility of the customer 7 When installed in the final configuration the product must comply with the applicable Safety Standards and regulatory requirements of the country in which it is installed If necessary consult with the appropriate regula...

Страница 4: ...rmful 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 expressly app...

Страница 5: ... Network Configuration 1 3 Front Panel LED Status Indicators 1 4 Rear Panel Interface Connections 1 5 SNMP Management Capabilities 1 6 Management Information Base MIB Support 1 6 SNMP Trap Support 1 7 2 Using the Asynchronous Terminal Interface User Interface Access 2 1 Communication Port Settings 2 1 Initiating an ATI Session 2 2 Screen Work Areas 2 5 Navigating the Screens 2 6 Keyboard Keys 2 6 ...

Страница 6: ...ownload Code 3 14 4 Configuring the Unit Using the Internal Switches Overview 4 1 Configuring the Unit Using the Internal Switches 4 2 Switchpack Locations 4 3 Switchpack Definitions for Models 7974 and 7984 4 4 Switchpack Definitions for Models 7975 and 7985 4 6 Switchpack Definitions for Models 7976 and 7986 4 9 5 Monitoring the Unit What to Monitor 5 1 Viewing System and Test Status 5 2 Health ...

Страница 7: ...5 6 9 Data Terminal Loopback 6 10 Data Channel Loopback 6 11 Send Remote Data Channel Loopback 6 12 G 703 Tests Models 7976 7986 6 13 G 703 Repeater Loopback 6 14 G 703 DTE Loopback 6 15 Device Tests 6 16 Lamp Test 6 16 Ending an Active Test 6 17 Telco Initiated Tests Models 7974 7984 6 18 Telco Initiated Line Loopback 6 18 Telco Initiated Payload Loopback 6 19 Telco Initiated Remote Line Loopback...

Страница 8: ...9 1 Configurations Not Running IP Conservative Software 9 1 All Configurations 9 1 IP Addressing Example 9 2 A Configuration Option Tables Overview A 1 Network Interface Options Menu A 2 DSX 1 Interface Options Models 7974 7984 A 4 Synchronous Data Port Options Models 7975 7985 A 6 G 703 Interface Options Models 7976 7986 A 10 System Options Menu A 12 Communication Port A 14 Management and Communi...

Страница 9: ... Specific Traps B 3 C Cables and Pin Assignments Overview C 1 DSL Network Interface Cable C 2 COM Port Interface Cable C 3 Power Input Connector C 5 Optional Power Cable C 5 DSX 1 G 703 Network Interface C 6 EIA 530 A Port C 7 EIA 530 A to X 21 Interface C 8 EIA 530 A to RS 449 Interface C 10 EIA 530 A to V 35 Interface C 12 D Technical Specifications Glossary Index ...

Страница 10: ...Contents vi 7970 A2 GB20 00 August 1999 This page intentionally left blank ...

Страница 11: ...creens Chapter 3 Initial Startup and Configuration Provides procedures for setting up the user interface and for configuring the unit using the asynchronous terminal interface Chapter 4 Configuring the Unit Using the Internal Switches Provides procedures for configuring the unit using the internal switches instead of the asynchronous terminal interface Chapter 5 Monitoring the Unit Describes using...

Страница 12: ... concepts and sections in alphabetical order Product Related Documents Document Number Document Title 7970 A2 GN10 Hotwire 7974 7975 7976 7984 7985 and 7986 Standalone Termination Unit Installation Instructions 8774 A2 GB20 Hotwire 8774 M SDSL Termination Unit with DSX 1 Interface User s Guide 8775 A2 GB20 Hotwire 8775 M SDSL Termination Unit User s Guide 8776 A2 GB20 Hotwire 8776 M SDSL Terminati...

Страница 13: ...r and PBX connections on 24 gauge 5 mm cable at greater than 14 000 feet 4 6 km delivered at up to 2 048 Mbps depending on model Hotwire M HDSL products can transport at full or fractional payload rates over a 4 wire full duplex circuit over varying distances based on the conditions of the 4 wire loop Examples include support for router multiplexer and PBX connections on 24 gauge 5 mm cable up to ...

Страница 14: ...cally or remotely by Telnet session H Local Management standalone unit Provides local management using a Terminal or equivalent through the COM port of the unit Network Management System NMS connection through the 10BaseT port Telnet through the COM port of the unit H Remote Management DSLAM card Provides remote management using VT100 compatible Terminal or PC via the Management Serial port of the...

Страница 15: ...ugh the termination unit to partner units supporting a host or router and frame relay encapsulated or unframed data The figure also shows a standalone to standalone configuration Frame Relay Switch Router T1 Host Frame Relay Encapsulated Data 99 16486 Router Frame Relay Encapsulated Data Router 87xx Termination Unit in DSLAM CO Site 79xx 79xx 79xx 79xx 79xx CP NTU CO Site LTU DSL Customer Premises...

Страница 16: ...hapter 5 Monitoring the Unit P O W E R A L A R M T E S T D S L D S X 1 98 16116 7974 M SDSL TM TM Figure 1 2 Hotwire DSX 1 Interface Standalone Termination Unit Front Panel P O W E R A L A R M T E S T D S L D T E 98 15856 7975 M SDSL TM TM Figure 1 3 Hotwire Synchronous Interface Standalone Termination Unit Front Panel P O W E R A L A R M T E S T D S L G 7 0 3 98 16003 7976 M SDSL TM TM Figure 1 4...

Страница 17: ...terfaces of the termination units POWER DSL COM DSX 1 98 16117 O I Figure 1 5 Hotwire 7974 and 7984 Standalone Termination Unit Rear Panel POWER DSL COM 98 15880 PORT O I Figure 1 6 Hotwire 7975 and 7985 Standalone Termination Unit Rear Panel POWER DSL COM TX RX G 703 75Ω 120Ω 98 16005 O I Figure 1 7 Hotwire 7976 and 7986 Standalone Termination Unit Rear Panel ...

Страница 18: ...nformation about the unit MIB II is backward compatible with MIB I H DS1 E1 MIB RFC 1406 Models 7974 7976 7984 and 7986 Reports the performance status of the DSX 1 or G 703 interface and supports the features found on the DSX 1 or G 703 Performance Statistics screen H 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 synchronou...

Страница 19: ...AC INPUT AC 48VDC CLASS 2 OR LIMITED PWR SOURCE RTN 48V A A B B T5A 2 4 6 A B 3 1 2 POSITION STACK ALM A IN B DC FUSES T4A MIN 48V 5 DC PWR FAN OUT SERIAL MCC 1 3 1 2 3 SY ST EM OK Alr m Tes t 250V SY ST EM OK Alr m Tes t 1 2 3 4 G 70 3 AL RM DS L PO RT LIN K U P 1 2 3 4 SY ST EM OK Alr m Tes t 1 2 3 4 G 70 3 AL RM DS L PO RT LIN K U P SDSL 8715 1 2 3 4 Router SNMP NMS Ethernet Interface DSL EOC D...

Страница 20: ...About the Hotwire 79xx Standalone Termination Unit 1 8 7970 A2 GB20 00 August 1999 This page intentionally left blank ...

Страница 21: ...ns Channel EOC NOTE Only one terminal interface 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 see Table A 7 Telnet Session Options in Appendix A Configuration Option Tables Security can limit ATI access several ways To limit user access or set up login IDs refer to Chapter 8 ...

Страница 22: ... use you will see H A connection refused or connection failed message if you are using a Telnet session or H The IP address of the other user if you are using the Management Serial port If security is enabled on the 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 Î ÎÎ Login Hotwire Model 79xx LOGIN Login ID Enter ...

Страница 23: ...re Model 79xx MAIN MENU Status Test Configuration Control Ctrl a to access these functions Exit Screen Area Screen Function Keys Area Entry to all of the Hotwire 79xx Standalone Termination Unit s tasks begins at the Main Menu screen The four branches of the Main Menu are as follows Select To Status View system status diagnostic test results statistics LEDs and device identity information Test Sel...

Страница 24: ...em Options Communication Port Management and Communication Change Identity Administer Logins Download Code Apply Download Reset AutoRate Device Tests Abort All Tests 99 16496 Reset Device Network General SNMP Management SNMP NMS Security Communication Protocol Telnet Session SNMP Traps 7974 7984 DSX 1 Statistics 7975 7985 Not Applicable 7976 7986 G 703 Statistics 7974 7984 Network and DSX 1 Tests ...

Страница 26: ...rsor to the previous field on the screen Return 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 left Spacebar Select the next valid value for the field Delete Del Delete character that the cursor is on Up Arrow or Ctrl u Move cursor up one field within a colu...

Страница 27: ...s blank and the Field Values screen area displays valid selections press the spacebar The first valid value for the field will appear Continue pressing the spacebar to scroll through other valid values Screen Function Keys All screen 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 ...

Страница 28: ... To return to the screen area above the dotted line press Ctrl a again Î Î ÎÎ ÎÎ main config network Hotwire Model 79xx NETWORK INTERFACE OPTIONS Margin Threshold 3db Excessive Error Rate Threshold 1E 6 AutoRate Disable DSL Line Rate 1552 Kbps Payload Rate 1536 Kbps Circuit Identifier Clear Ctrl a to access these functions ESC for previous menu MainMenu Exit Save Ending an ATI Session Use the Exit...

Страница 29: ...ecting the unit to a DTE H Connecting the unit to a system terminal H Providing initial unit identity information or changing existing identity information H Configuring your unit using the Configuration Edit menus or internal switches H Choosing the current or factory default configuration options H Modifying current configuration options using the Configuration Edit Display menu H Downloading co...

Страница 30: ...power supply Connect the unit to an external 48 Vdc power source as described in the documentation shipped with the power supply and power cable Connecting to an Optional External 24 Vdc Power Source Using the dc power cable the Hotwire 79xx Standalone Termination Unit is capable of operating on a 24 Vdc power supply Procedure To use the dc power cable 1 Connect the green wire to a suitable ground...

Страница 31: ...0 A interface Depending on the cable used the interface can be adapted to an X 21 RS 449 or V 35 interface 7976 7986 The G 703 interface is either two BNC connectors Transmit and Receive for a 75 ohm unbalanced interface or an RJ48C 8 position unkeyed modular connector for a 120 ohm balanced interface See Appendix C Cables and Pin Assignments for more information Ferrite Choke Model 7975 Only Proc...

Страница 32: ...ion options The terminal must be a VT100 compatible terminal or a PC running terminal emulation software Procedure To connect your unit to a system terminal 1 Connect the 9 pin end of the terminal cable into a COM port on your PC 2 Plug the other end into the modular jack on the rear panel If your PC requires a 25 pin connector to the COM port see Appendix C Cables and Pin Assignments for the corr...

Страница 33: ...ystem Contact C Parker 800 727 2396 pager 888 555 1212 Clear Ctrl a to access these functions ESC for previous menu MainMenu Exit Save The three System entry fields are alphanumeric and provide 128 characters for each field The System entries appear on the Identity display as shown above The SNMP System entry fields are H System Name The general SNMP system name H System Location The physical loca...

Страница 34: ...acters 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 3 Position the cursor in the System Contact field Enter the name and contact information for the person responsible for the unit The maximum length of System Contact is 128 characters 4 Press Ctrl a to switch to the screen function key area below...

Страница 35: ...uration options may not need to be changed The Hotwire 79xx Standalone Termination Unit is shipped with factory settings in the Default Factory configuration area You can find default information by H Referring to Appendix A Configuration Option Tables H Accessing the Configuration branch of the Hotwire 79xx Standalone Termination Unit menu The Hotwire 79xx Standalone Termination Unit has two sets...

Страница 36: ... Configuration Configuration Loader Default Factory Configuration Ctrl a to access these functions ESC for previous menu MainMenu Exit Î ÎÎ Make a selection by placing the cursor at your choice and pressing Enter If you select Then Current Configuration The selected configuration option set is loaded and the Configuration Edit Display menu screen appears Configuration Loader The Configuration Load...

Страница 37: ...e Configuration Edit Display screen follow this menu selection sequence Main Menu Configuration Current Configuration or Main Menu Configuration Default Factory Configuration Î Î ÎÎ ÎÎ main config edit Hotwire Model 79xx CONFIGURATION EDIT DISPLAY Network DSX 1 SYNC Port G 703 System Options Communication Port Management and Communication Ctrl a to access these functions ESC for previous menu Main...

Страница 38: ...A 3 G 703 Interface Options Table A 4 DSX 1 interface Models 7974 7984 Synchronous DTE interface Models 7975 and 7985 or G 703 interface Models 7976 7986 System Options System Options Table A 5 General system options of the unit Communication Port Communication Port Options Table A 6 Unit s COM port options Management and Communication H Telnet Session Options Table A 7 H Communication Protocol Op...

Страница 40: ...irectories filenames and permissions so that anyone using the system has read and write permissions 2 Position the cursor in the TFTP Server IP Address field Enter the TFTP server IP address 3 Position the cursor in the Destination field Use the spacebar to select a network destination for the TFTP server Select DSL if the TFTP server destination is the DSL link or COM if the TFTP destination is t...

Страница 41: ...ppears requiring a Yes or No response Î Î ÎÎ ÎÎ main config saveprompt Hotwire Model 79xx SAVE CONFIGURATION Save Changes No Ctrl a to access these functions ESC for previous menu MainMenu Exit Command Complete If you select Then Yes The configuration is saved No The Main Menu appears and changes are not saved If the Telnet Session configuration option is changed a message is displayed on the Save...

Страница 43: ...r COM if the TFTP destination is the COM port 4 Position the cursor in the Immediately Apply Download field If you would like the download to be effective immediately select Yes 5 Position the cursor at the Start Transfer field Use the spacebar to select Yes Press Enter When the data transfer is complete the Transfer Status field changes to Completed successfully 6 Press the Escape key to return t...

Страница 44: ...Initial Startup and Configuration 3 16 7970 A2 GB20 00 August 1999 This page intentionally left blank ...

Страница 45: ...changes either through a VT100 compatible terminal and the unit s Configuration menus or by manually changing switches on the board The unit is shipped with the switchpacks disabled to allow settings to be made through the Configuration menus To use the Configuration menus see Chapter 3 Initial Startup and Configuration ...

Страница 46: ...o equipment If you are not sure of the proper static control precautions contact your nearest sales or service representative Procedure To configure the unit using internal Switchpacks S1 and S2 1 Power off the unit Remove the enclosure cover by pushing a flat blade screwdriver through the slots on both sides of the housing to free the four inner latches 2 Locate Switchpack S1 on the circuit board...

Страница 47: ... 4 3 7970 A2 GB20 00 August 1999 Switchpack Locations Use Figure 4 1 to locate Switchpacks S1 and S2 98 16073a Switchpack S1 S2 Front S2 Rear S1 6 7 8 ON 1 2 3 4 5 6 7 8 ON 1 2 3 4 5 Figure 4 1 Hotwire Standalone Termination Unit Switchpack Locations ...

Страница 48: ...cks Enabled 2 Not used 3 Select the unit s primary timing source Only valid for units configured as LTU OFF Internal Clock ON External Clock 4 Control the unit s T1 line coding OFF B8ZS ON AMI 5 Control the unit s framing format OFF ESF ON D4 6 7 8 Control the unit s line equalization The three switches form a binary value used as an index to the table of equalization values Off denotes 0 zero and...

Страница 49: ...her Telco loopbacks are supported OFF Enabled ON Disabled 7 Control whether remote Telco loopbacks are supported OFF Disabled ON Enable 8 Emergency Use Only Switch between two versions of firmware The unit has two banks of flash memory used to hold executable firmware This switch allows you to change between the two versions of firmware This switch is independent from the position of Switch 1 on S...

Страница 50: ...F EIA 530 RS 449 or X 21 ON V 35 3 Select the unit s timing source Only valid for LTU configured units OFF Internal clock ON External Clock 4 5 6 7 8 Control Sync Port Data Rate refer to Table 4 5 Selectable Payload 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 1024 kbps for 1 Mbps units Use Table 4 5 to set the Sync ...

Страница 51: ...kbps 1280 kbps 20 x 64 ON OFF ON OFF OFF 1552 kbps 1216 kbps 19 x 64 ON OFF OFF ON ON 1552 kbps 1152 kbps 18 x 64 ON OFF OFF ON OFF 1552 kbps 1088 kbps 17 x 64 ON OFF OFF OFF ON 1552 kbps 1024 kbps 16 x 64 ON OFF OFF OFF OFF 1040 kbps 960 kbps 15 x 64 OFF ON ON ON ON 1040 kbps 896 kbps 14 x 64 OFF ON ON ON OFF 1040 kbps 832 kbps 13 x 64 OFF ON ON OFF ON 1040 kbps 768 kbps 12 x 64 OFF ON ON OFF OFF...

Страница 52: ...re OFF Elastic Store Enabled ON Elastic Store Disabled 7 Not used 8 Emergency Use Only The unit has two banks of flash memory used to hold executable firmware This switch allows you to change between the two versions of firmware This switch is independent from the position of Switch 1 on Switchpack S1 switchpack enable disable OFF Current Firmware ON Previous Firmware Use Table 4 7 to set the DSL ...

Страница 53: ... 120 Ohm ON 75 Ohm 3 Select the unit s primary timing source Only valid for units configured as LTU OFF Internal Clock ON External Clock 4 Control the unit s E1 line coding OFF HDB3 ON AMI 5 Determine whether the unit will use G 704 framing OFF Framed ON Unframed 6 Enable CRC 4 monitoring Only valid for units configured as LTU The NTU will automatically be configured to match the LTU setting OFF D...

Страница 54: ... Rate represents the AutoRate ceiling All OFF 2064 6 7 Not used 8 Emergency Use Only The unit has two banks of flash memory used to hold executable firmware This unit allows you to change between the two versions of firmware This switch is independent from the position of Switch 1 on Switchpack S1 switchpack enable disable OFF Current Firmware ON Previous Firmware Use Table 4 10 to set the DSL Lin...

Страница 55: ...ion Units You can monitor a unit s operations by viewing H System and Test Status screens H Highest priority Health and Status messages on the last line of all screens H Network Error Statistics screen H Network Performance Statistics screen H DSX 1 or G 703 Statistics screen H Display LEDs screen or front panel LEDs on the Hotwire 79xx Standalone Termination Unit ...

Страница 57: ...on has been detected at the network interface Contact network provider LOS at DSX 1 LOS at G 703 An LOS Loss Of Signal condition has been detected on the DSX 1 or G 703 interface 1 Verify proper framing 2 Contact network provider LOF at DSX 1 LOF at G 703 An LOF Loss Of Frame condition has been detected on the DSX 1 or G 703 interface 1 Verify that the network cable is securely attached at both en...

Страница 58: ...st known rate but to a lower rate 1 Verify that the network cable is securely attached at both ends 2 Contact network provider Primary Clock Failed A failure has occurred in the primary clock source configured from the Network DSX or from the card internal clock 1 Verify that the network cable is securely attached at both ends 2 Contact network provider Net Com Link Down The Network communication ...

Страница 59: ...nit s integrated circuit chips failed device level testing try again 2 Call your service representative for DSX 1 Failed Sync Port Failed G 703 Failed The unit failed to loop data on the DTE interface circuit re resentative for assistance Memory Failed The unit failed memory verification FPGA Failed A failure in the FPGA was detected DataPath Failed The unit failed to loop data between the DSX 1 P...

Страница 60: ... Active A DTE Loopback test is active 511 Test Active A 511 Test and Monitor is active on the DSL network interface Remote LLB Up Active A Remote Line Loopback Up command is being sent Remote LLB Dn Active A Remote Line Loopback Down command is being sent Remote DCLB Up Active A Remote Data Channel Loopback Up command is being sent Remote DCLB Dn Active A Remote Data Channel Loopback Down command ...

Страница 61: ...ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ main status performance net_error Hotwire Model 79xx NETWORK ERROR STATISTICS Current Interval Timer 002 Error Events Counter 0034 ES SES FEBE Complete Near Far Near Far Near Far Near Far Current Int 000 000 000 000 000 000 Yes No Interval 01 000 000 000 000 000 000 Yes Yes Interval 02 000 000 000 000 000 000 Yes Yes Interv...

Страница 62: ...s 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 minutes Error Events Counter A running total of CRC errors Range 0 65535 This counter resets when the near end data is cleared Current Int Performance data for the current 15 minute interval Interval xx Historical pe...

Страница 64: ...900 second interval 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 minutes Payload Rate The Payload Rate across the DSL interface DSL Line Rate The rate of the DSL line 400 to 1552 kbps Current Int Performance data for the current 15 minute interval Interval x...

Страница 66: ...aintains a history of specific events that have occurred during an interval Values include Y Remote alarm indication signal yellow alarm received at the DSX 1 interface L Loss of signal detected 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 This Field Contains Curre...

Страница 68: ...s of the status events register The status events register maintains a history of specific events that have occurred during an interval Values include Y Remote alarm indication signal received at the G 703 interface L Loss of signal detected at the G 703 interface E Excessive error rate threshold exceeded F Frame synchronization bit error detected V Line code violation detected None No significant...

Страница 69: ...rt or G 703 LEDs provide the status of the DTE interface H DSL Loop LEDs display the activity on the DSL network To view the Display LEDs status screen follow this menu selection sequence Main Menu Status Display LEDs main status leds Hotwire Model 79xx DISPLAY LEDs GENERAL DTE Interface DSL LOOP ALRM Link Up Link Up TEST ESC for previous menu MainMenu Exit Î Î ÎÎ ÎÎ The LED status display screen ...

Страница 70: ...oopback test or 511 test pattern in progress No tests in progress Self test in progress DSL Green On Off Slow Cycling Fast Cycling DSL link is up The DSL link is down DSL training in progress An OOF condition DSX 1 DTE G 703 Green On Off Slow Cycling Fast Cycling DTE port is operational No signal on DTE port DSX 1 Yellow Alarm Indication received Sync DTE Not applicable G 703 Remote Alarm Indicati...

Страница 71: ...C for previous menu MainMenu Exit Select On To Network and DSX 1 Tests Models 7974 and 7984 Start and stop tests on the DSX 1 or network interface Network Tests Models 7975 and 7985 Start and stop tests on the network interface Network and G 703 Tests Models 7976 and 7986 Start and stop tests on the G 703 or network interface SYNC Data Port Tests Models 7975 and 7985 Start and stop tests on the SY...

Страница 72: ...ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ main test network Hotwire Model 79x5 NETWORK TESTS Test Command Status Results Local Loopbacks Line Loopback Start Inactive 00 00 00 Repeater Loopback Start Inactive 00 00 00 Remote Loopbacks Send Line Loopback Down Send Inactive 00 00 00 Pattern Tests Send and Monitor 511 Stop Active hh mm ss Errors 99999 Ctrl a to acce...

Страница 73: ...twork Line Loopback 1 Position the cursor at the Start command next to Network Line Loopback on the Network DSX 1 Network or Network G 703 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 and press Enter Network Line Loopback cannot be started when a Repeater Loopback DTE Loopback Remote DCLB networ...

Страница 74: ...link CAP DSX 1 Port CAP T1 LIU Framer Framer Transceiver 98 16109 CAP CAP T1 LIU Framer Framer Transceiver AIS Local Remote Procedure To run a Remote Network Send Line Loopback 1 Position the cursor at the Up or Down selection next to Send Line Loopback on the Network DSX 1 Network or Network G 703 Tests screen 2 Press the spacebar to select either Up or Down 3 Position the cursor at the Send comm...

Страница 75: ...ort CAP T1 LIU Framer Framer Transceiver 98 16108 CAP CAP T1 LIU Framer Framer Transceiver AIS AIS 511 Gen 511 Mon 511 Pattern 511 Pattern 511 Mon 511 Gen Procedure To run a Send and Monitor 511 test 1 Position the cursor at the Start command next to Send and Monitor 511 on the Network DSX 1 Network or Network G 703 Tests screen 2 Press Enter The Start command is changed to Stop 3 To manually stop...

Страница 76: ...ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ main test network_DSX 1 Hotwire Model 79x4 NETWORK DSX 1 TESTS Test Command Status Results Local Loopbacks Network Line Loopback Start Inactive 00 00 00 DSX 1 Repeater Loopback Start Inactive 00 00 00 DSX 1 DTE Loopback Start Inactive 00 00 00 Remote Network Loopbacks Send Line Loopback Down Send Inactive 00 00 00 Network Pattern Tests Send and Monitor 511 Stop Active hh m...

Страница 77: ...ent to be lost to the remote unit CAP DSL Port DSX 1 Port CAP T1 LIU Framer Framer Transceiver 99 16111 01 AIS T1 to T1 Repeater Loopback CAP DSL Port DSX 1 Port CAP T1 LIU Framer Framer Transceiver 98 16111 T1 to V 35 Repeater Loopback Procedure To run a DSX 1 Repeater Loopback 1 Position the cursor at the Start command next to DSX 1 Repeater Loopback on the Network DSX 1 Tests screen 2 Press Ent...

Страница 78: ...Transceiver 98 16110 All Ones Procedure To run a DSX 1 DTE Loopback 1 Position the cursor at the Start command next to DSX 1 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 and press Enter A DSX 1 DTE Loopback cannot be started when any other loopback test is in pr...

Страница 80: ... Framer EIA 530 Port CAP All Ones Procedure To run a Data Terminal Loopback 1 Position the cursor at the Start command next to Data Terminal Loopback on the SYNC Data Port 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 and press Enter Data Terminal Loopback cannot be started when a Repeater Loopba...

Страница 81: ...es Procedure To run a Data Channel Loopback 1 Position the cursor at the Start command next to Data Channel Loopback on the SYNC Data Port 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 and press Enter Data Channel Loopback cannot be started when any of the following tests is active Send and Monit...

Страница 82: ...te DCLB 1 Position the cursor at the Up or Down selection next to Send Remote DCLB on the SYNC Data Port Tests screen 2 Press the spacebar to select the desired code Up or Down 3 Position the cursor at the Start command next to Send Remote DCLB on the SYNC Data Port Tests screen 4 Press Enter The Status field is changed to Sending The Up or Down sequence transmission stops automatically after 10 s...

Страница 83: ...ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ main test network_G 703 Hotwire Model 79x6 NETWORK G 703 TESTS Test Command Status Results Local Loopbacks Line Loopback Start Inactive 00 00 00 Payload Loopback Start Inactive 00 00 00 Repeater Loopback Start Inactive 00 00 00 DTE Loopback Start Inactive 00 00 00 Remote Loopbacks Send Line Loopback Down Send Inactive 00 00 00 Pattern Tests Send and Monitor 511 Stop Active h...

Страница 84: ... to the remote unit CAP DSL Port G 703 Port CAP E1 LIU Framer Framer Transceiver 98 15999 Procedure To run a G 703 Repeater Loopback 1 Position the cursor at the Start command next to G 703 Repeater Loopback on the Network G 703 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 and press Enter A G 70...

Страница 85: ...nit CAP DSL Port G 703 Port CAP E1 LIU Framer Framer Transceiver 98 16000 All Ones Procedure To run a G 703 DTE Loopback 1 Position the cursor at the Start command next to G 703 DTE Loopback on the Network G 703 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 and press Enter A G 703 DTE loopback ca...

Страница 86: ...ccess these functions ESC for previous menu MainMenu Exit Î ÎÎ Lamp Test The Lamp Test determines whether all LEDs are lighting and functioning properly Procedure To test the 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...

Страница 87: ...is 10 minutes Refer to Table A 5 System Options H The Command column on each test screen To manually stop the test press Enter when the cursor is on the Stop command H The Abort Tests selection from the Test menu to stop all tests running on all interfaces with the exception of network initiated loopbacks Command Complete appears when all tests on all interfaces have been terminated An aborted tes...

Страница 88: ...rted Supported Message Oriented Not Applicable Not Supported Not Applicable Telco Initiated Line Loopback The Hotwire 7974 and 7984 Standalone Termination Units support line loopback as specified in AT T TR 54016 AT T TR 62411 and ANSI T1 403 A Telco initiated line loopback loops the received signal on the DSX 1 interface back to the DSX 1 interface without modification Framing CRC and FDL bits ar...

Страница 89: ...t the point of the loopback and BPVs are removed CAP DSL Port DSX 1 Port CAP T1 LIU Framer Framer Transceiver 99 16253 All Ones Telco Telco Initiated Remote Line Loopback If Remote Telco Loopback is enabled a Telco initiated 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 initiat...

Страница 90: ...Testing 6 20 7970 A2 GB20 00 August 1999 This page intentionally left blank ...

Страница 91: ...bleshooting 7 Overview Resources available to assess the status of the Hotwire 79xx Standalone Termination Unit and contribute to problem resolutions are described in the following sections H Configuring SNMP Traps H Device Messages H Troubleshooting ...

Страница 93: ...that configuration changes can be made Operator level users cannot make configuration changes Save the Login IDs Command Complete Action requested has successfully completed No action needed Invalid Character A nonprintable ASCII character has been entered Reenter information using valid characters Invalid Data Terminal Initiated Loopback Active Network initiated loopback was in progress when the ...

Страница 94: ...ombination 2 Reenter the new login ID No Security Records to Delete Delete was selected from the Administer Login screen and no security records had been defined H No action needed H Enter a security record Password Matching Error Re enter Password Password entered in the Reenter Password field of the Administer Logins screen does not match what was entered in the Password field H Try again H Cont...

Страница 95: ...e unit is configured properly Verify IP address and communication port usage H Reset the unit Device Fail appears on the System and Test Status screen under Self Test results The unit detects an internal hardware failure H Reset the unit H Contact your service representative No power or the LEDs are not lit The power cord is not securely plugged into the wall receptacle or into the rear panel conn...

Страница 96: ... cables H Run loopback tests Refer to Chapter 6 Testing H Stop the test or wait for the test to end TEST LED on the front panel H The far end unit is offline H The far end unit is running a test H An alarm condition exists in the far end unit H Make sure the far end device is on H Stop the far end test H Check the far end Health and Status messages Power On Self Test fails Only POWER and ALARM LED...

Страница 97: ... by limiting user access to the ATI through option settings You can H Enable the Telnet Login Required option H Limit the access by setting a Session Access Level option of Operator for the Telnet Session H Disable the access with the Telnet Session option See Table A 7 Telnet Session Options in Appendix A Configuration Option Tables ...

Страница 98: ...s is through the COM port and a login is required on the COM port the effective access level is the more restrictive of the COM port access level or the login access level See Table A 6 Communication Port Options H When access is through Telnet and a login is required for Telnet the effective access level is the more restrictive of the Telnet session access level or the login access level See Tabl...

Страница 99: ...trol Administer Logins main control admin_logins Hotwire Model 79xx ADMINISTER LOGINS Page 1 of x Login ID newuser Access Level Administrator ESC for previous menu MainMenu Exit Save New Delete Î Î ÎÎ ÎÎ 2 Select New and press Enter The Login Entry screen appears main control admin_loginss entry Hotwire Model 79xx LOGIN ENTRY Login ID newuser2 Password es342 Re enter Password es342 Access Level Ad...

Страница 100: ...le characters that can consist of 0 9 a z A Z pound period dash and slash Access Level Administrator Operator NOTE Assign at least one Administrator level Login ID Full access is necessary to make configuration option changes and administer logins 4 Press Ctrl a to switch to the screen function key area below the dotted line Select Save and press Enter 5 When Save is complete Command Complete appe...

Страница 101: ...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 The number of login pages records reflects one less record and the record following the deleted record appear...

Страница 102: ...rt configure the terminal to operate at 9 6 kbps using character length of 8 bits with one stop bit and no parity 2 Reset the unit then immediately and repeatedly press Enter at a rate of at least once per second until the System Paused screen appears 3 Tab to the desired method and enter yes or y for the selected prompt If entering yes to prompt Then Reset COM Port usage H Port type is set to Ter...

Страница 103: ...nagement H Assign the SNMP community names of the SNMP Managers that are allowed to access the unit s Management Information Base MIB H 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 the IP addresses The SNMP Management option must be enabled To cont...

Страница 104: ...Security 8 8 7970 A2 GB20 00 August 1999 This page intentionally left blank ...

Страница 105: ...figuration DSL Cards Set IP Address menu Once the address is assigned you can use the ATI to assign H Peer IP address This address is used as the IP address of the remote unit See Table A 1 Network Interface Options in Appendix A Configuration Option Tables H An IP address for each NMS to act as a trap manager See Table A 11 SNMP Traps Options in Appendix A Configuration Option Tables All Configur...

Страница 106: ...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 126 35 1 4 Port 3 Peer IP Address 126 35 1 2 Port 4 Peer IP Address 126 35 1 3 NTU MCC MCC Backplane Address 126 35 1 1 MCC Backplane Mask 255 255 255 0 LTU Backplane Address 126 35 1 16 NTU Backplane Address 126 35 50 2 Peer IP Address Assignments H The Peer I...

Страница 107: ...ace Options Table A 4 DSX 1 interface Models 7974 7984 Synchronous DTE interface Models 7975 7985 G 703 interface Models 7976 7986 System Options System Options Table A 5 General system options of the unit Communication Port Communication Port Options Table A 6 Unit s COM port options Management and Communication H Telnet Session Options Table A 7 H Communication Protocol Options Table A 8 H Gener...

Страница 108: ...b 4db 5db 6db 7db 8db 9db 10db Default Setting 0db Determines the level expressed in decibels at which a signal to noise margin alarm condition is reported 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 r...

Страница 109: ... NTU has an EIA 530 A interface the Payload Rate set on the LTU determines the port speed of the synchronous port of the NTU H Payload Rate is only available when the unit is configured as an LTU Rates above 1536 available only on Models 7976 and 7986 64 to 2048 The Payload Rate in kbps Peer IP Address Possible Settings 001 000 000 000 223 255 255 255 Clear Default Setting 000 000 000 000 Specifie...

Страница 110: ...ble A 2 DSX 1 Interface Options Models 7974 and 7984 1 of 2 Line Coding Format 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 line coding format used by the DSX 1 interface is B8ZS Line Framing Possible Settings ESF ...

Страница 111: ...Indication Signal AIS is sent to the DSX 1 port in the event of an LOS or OOF condition on the DSX 1 interface Disable The failed signal on the 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 DSX when a valid signal cannot be recovered from t...

Страница 112: ...ation Load Configuration From SYNC Ports Î ÎÎ main config sync_data Hotwire Model 79x5 SYNCHRONOUS DATA PORT OPTIONS Port Type E530A Payload Rate 1024 Kbps Transmit Clock Source Internal Invert Transmit Clock Disable Send All Ones on Data Port Not Ready Both Action on Network LOS Alarm Halt Network Initiated Data Channel Loopback Disable Port DTE Initiated Loopbacks Disable Elastic Store Enable Ct...

Страница 113: ... 704 768 832 896 960 1024 1088 1152 1216 1280 1344 1408 1472 1536 1600 1664 1728 1792 1856 1920 1984 2048 Default Setting 128 NOTE Payload rates of 1088 kbps and higher pertain only to the 2 Mbps termination unit Specifies the payload rate of the port This option is not displayed on the unit when AutoRate is enabled or the unit is configured as an NTU The LTU configures the payload rate for the NT...

Страница 114: ...uits from the DTE connected to the synchronous data port DTR Monitors the DTE Ready interchange circuit CD CCITT 108 1 2 When DTR is interrupted all ones are sent to the network RTS Monitors the Request to Send interchange circuit CA CCITT 105 When RTS is interrupted all ones are sent to the network Action on Network LOS Alarm Possible Settings Halt None Default Setting Halt Specifies the action t...

Страница 115: ...ntrolled by the Local Loopback interchange circuit LL CCITT 141 DCLB Gives control of the remote DCLBs for the far end port connected to this port to the 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 thi...

Страница 116: ...ry Clock Source G703 Ctrl a to access these functions ESC for previous menu MainMenu Exit Save Table A 4 G 703 Interface Options Models 7976 and 7986 1 of 2 Framing Possible Settings Framed Unframed Default Setting Framed Specifies whether G 704 framing is used for the G 703 interface Framed The unit conforms to G 704 framing Unframed G 704 framing is disabled Line Coding Format Possible Settings ...

Страница 117: ...g Signaling Specifies whether the G 703 interface is used for voice or data Signaling Time slot 16 is used for signaling the unit is in voice mode Data Time slot 16 is used for data the unit is in data mode Send AIS on Network Failure Possible Settings Enable Disable Default Setting Enable Specifies the action taken on the signal transmitted to the G 703 when a valid signal cannot be recovered fro...

Страница 118: ...enu selection sequence Main Menu Configuration Load Configuration From System Î Î ÎÎ ÎÎ main config system Hotwire Model 79xx SYSTEM OPTIONS DSL Mode NTU Test Timeout Enable Test Duration min 10 Telco Initiated Loopback Enable Models 7974 7984 Remote Telco Line Loopback Disable Models 7974 7984 Ctrl a to access these functions ESC for previous menu MainMenu Exit Save ...

Страница 119: ...een or remotely network initiated tests Refer to Running Network Tests in Chapter 6 Testing Test Duration min Possible Settings 1 120 Default Setting 10 Number of minutes for a test to be active before automatically ending H Test Duration min appears when Test Timeout is enabled 1 to 120 Amount of time in minutes for a test runs before terminating Telco Initiated Loopback Models 7974 7984 Possible...

Страница 120: ...ynchronous Data Rate Kbps 9 6 Character Length 8 Parity None Stop Bits 1 Ignore Control Leads Enable Login Required Disable Port Access Level Administrator Inactivity Timeout Enable Disconnect Time Minutes 5 Ctrl a to access these functions ESC for previous menu MainMenu Exit Table A 6 Communication Port Options 1 of 3 Port Use Possible Settings Terminal Net Link Default Setting Terminal Specifies...

Страница 121: ...termines the character length of the communication port 7 The character length of the communication port is seven bits 8 The character length of the communication port is eight bits Parity Terminal Use Only Possible Settings None Odd Even Default Setting None Specifies the parity of the communication port None No parity used Odd Odd parity used Even Even parity used Stop Bits Terminal Use Only Pos...

Страница 122: ...TI session through a Telnet session Administrator This is the higher access level permitting full control of the 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 Inactivity Timeout Terminal Use Only Possible Settings E...

Страница 123: ...onnected IP Network If allowed these options determine what level of security to apply 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 Load Configuration From Management and Communication T...

Страница 124: ...sion access level is interrelated with the access level of the Login ID Refer to ATI Access Levels in Chapter 8 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 Telnet Login Required is disabled the session access level is Administrator Operator This is the lower access level permitting rea...

Страница 126: ...here the default management network is connected For example if your default network is connected to the COM port select COM as the default management network destination None No default destination is defined Data that cannot be routed is discarded COM The unit s COM port is the default network destination H COM is only available when the Port Use option on the Communication Port Options menu is ...

Страница 127: ...000 000 the node IP Address will be used Address Field 000 000 000 000 255 255 255 255 Enter an address for the Communication Port Subnet Mask Clear Clears the address and sets to all zeros Communication Port Link Protocol Possible Settings PPP SLIP Default Setting PPP Specifies the unit s Communication Port link layer protocol when the unit is configured as a network communication link H Communic...

Страница 128: ... Main Menu Configuration Load Configuration From Edit Management and Communication SNMP Î Î ÎÎ ÎÎ main config management SNMP Hotwire Model 79xx GENERAL SNMP MANAGEMENT OPTIONS SNMP Management Enable Community Name 1 Public Clear Name 1 Access Read Write Community Name 2 Public Clear Name 2 Access Read Write Ctrl a to access these functions ESC for previous menu MainMenu Exit Save ...

Страница 129: ...munity name field Name 1 Access Possible Settings Read Read Write Default Setting Read Determines the access level for Community Name 1 Read Allows read only access get for Community Name 1 Read Write Allows read write access get for Community Name 1 Community Name 2 Possible Settings ASCII text field Public Default Text null string Identifies the name of the second community allowed to access the...

Страница 131: ... 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 trap manager 001 000 000 000 223 255 255 255 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 rema...

Страница 133: ...appear if the unit is connected to a DSLAM card running in IP Conservative mode Address Field 001 000 000 000 223 255 255 255 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 DSL COM Default Setti...

Страница 134: ...p A linkUp 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 ...

Страница 135: ...Start H authenticationFailure H linkUp and linkDown warmStart 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 H Reset command H Power disruption authenticationFailure SNMP Trap Description Possible Cause authenticationFailure Failed attempts to access the unit There are no variable...

Страница 136: ...l indexes are supported for each model The ifIndex included with the trap consists of 1 COM Port 2 M xDSL Interface 6 DSX 1 or G 703 Interface 10 Synchronous Data Port H ifAdminStatus RFC 1573 This object specifies the operational state of the interface up 1 M xDSL Network DSL link is established DSX 1 or G 703 No alarm condition exists Synchronous Data Port Port is enabled and both CTS and DSR ar...

Страница 137: ...er 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 enterpriseConfig Change 6 The configuration changed via the user interface The trap is sent after 60 secon...

Страница 138: ...ct provides the index into the ifTable and potentially into tables in other MIBs The values of ifIndex are the same for all models although not all indexes are supported for each model The ifIndex included with the trap consists of 1 COM Port 2 M xDSL Interface 6 G 703 Interface H ifAdminStatus RFC 1573 This object specifies the operational state of the interface up 1 M xDSL Network DSL link is es...

Страница 139: ... managed devices noTest Stops the test in progress testLoopLLB Initiates a Local Loopback testLoopPLB Initiates a Payload Loopback testLoopRLB 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 H enterpriseTest Start Any one of the following te...

Страница 140: ...P managed devices noTest Stops the test in progress testLoopDCLB Initiates a Data Channel Loopback testLoopDTLB Initiates a Data Terminal Loopback testSendDCLBUp Initiates an DCLB Up message to the remote unit testSendDCLBDown Initiates an DCLB Down message to the remote unit H enterpriseTest Start Any one of the following tests is active on the port Data Terminal Loopback Data Channel Loopback Re...

Страница 141: ...g sections provide pin assignments for H DSL Network Interface Cable H COM Port Interface Cable H Power Input Connector H Optional Power Cable H DSX 1 G 703 Network Interface H EIA 530 A Port H EIA 530 A to X 21 Interface H EIA 530 A to RS 449 Interface H EIA 530 A to V 35 Interface ...

Страница 142: ...OTE A crossover cable Pins 1 2 to 4 5 is required for connecting two M HDSL Termination Units back to back Figure C 1 DSL Network Interface Cable with RJ48C Connector Feature Number 7900 F1 514 97 15884 8 Pin Plug Pin 1 Pin 8 98 15954a Ring Tip Ring Tip Twisted Pair Twisted Pair RJ48C Plug 1 2 3 4 5 6 7 8 RJ48C Plug 1 2 3 4 5 6 7 8 Blue White Orange White Blue White Orange White Blue White Orange ...

Страница 143: ...or alarms The COM port to PC cable is a 14 foot 26 AWG 8 conductor cable with an 8 position modular plug keyed connector and a DB9 socket connector Figure C 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 98 15886 Figure C 2 COM Port to PC Cable Feature Number 7900 F1 507 ...

Страница 144: ... J6 Signal Direction Pin Number Reserved for future use to DTE Out 1 DCE Received Data to DTE Out 2 Signal Ground 3 DCE Transmit Data from DTE IN 4 DCE Data Terminal Ready from DTE IN 5 DCE Carrier Detect to DTE Out 6 DCE Request to Send from DTE IN 7 Reserved for future use to DTE Out 8 ...

Страница 145: ...er Cable The optional power cable is a 14 5 foot 18 AWG stranded cable The connector is terminated at one end with a 6 position Molex 39 01 2060 connector The other end of the cable is terminated with a bare wire that should be connected to a DC power source Figure C 3 shows the wire colors 1 2 3 4 5 6 X X Ground RTN 24 Vdc X Black Red Green White Orange Blue 99 14158 02 Figure C 3 DC Power Cable ...

Страница 146: ... a 120 ohm balanced interface Table C 4 Figure C 4 The DSX 1 network interface is an RJ48C 8 position unkeyed modular connector for a 100 ohm balanced interface Table C 4 Figure C 4 Table C 4 T1 100 Ohm E1 120 Ohm Balanced Interface Connector Signal Pin Number Receive Ring 1 Receive Tip 2 Receive Shield 3 Transmit Ring 4 Transmit Tip 5 Transmit Shield 6 Figure C 4 T1 100 Ohm E1 120 Ohm Network Int...

Страница 147: ... BB 104 From DSU CSU 3 A 16 B Request to Send CA 105 To DSU CSU 4 A 19 B Clear to Send CB 106 From DSU CSU 5 A 13 B Received Line Signal Detector CF 109 From DSU CSU 8 A 10 B DCE Ready CC 107 From DSU CSU 6 DTE Ready CD 108 1 2 To DSU CSU 20 Transmit Signal Element Timing DTE Source DA 113 To DSU CSU 11 B 24 A Transmit Signal Element Timing DCE Source DB 114 From DSU CSU 12 B 15 A Receiver Signal ...

Страница 148: ...hown in Table C 6 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 TD B RD A RD B RXC A RXC B RTS A RTS B RLSD A RLSD B SIG COMMON TT A TT B 530 SIGNAL DB25 PLUG DB15 SOCKET X 21 SIGNAL 495 14787 Figure C 5 EIA 530 A to X 21 Cable Feature Number 7900 F1 505 ...

Страница 149: ...ommon 102 8 Transmitted Data 103 To DSU CSU 2 A 9 B Received Data 104 From DSU CSU 4 A 11 B Request to Send 105 To DSU CSU 3 A 10 B Data Channel Received Line Signal Detector 109 From DSU CSU 5 A 12 B Transmit Signal Element Timing DTE Source 113 To DSU CSU 7 A 14 B Receiver Signal Element Timing DCE Source 115 From DSU CSU 6 A 13 B ...

Страница 150: ... 8 26 7 25 9 27 12 13 31 11 19 14 10 20 17 35 18 29 30 SHIELD TD A TD B RD A RD B TXC A TXC B RXC A RXC B RTS A RTS B CTS A CTS B DTR RLSD A RLSD B DSR SIG COMMON RL LL RCV COMMON TT A TT B TM SIG COMMON SHIELD TD A TD B RD A RD B TXC A TXC B RXC A RXC B RTS A RTS B CTS A CTS B DTR A RR A RR B DM A SIG COMMON RL LL RCV COMMON TT A TT B TM DM B DTR B 530 SIGNAL DB25 PLUG DB37 SOCKET 449 SIGNAL 495 ...

Страница 151: ...04 From DSU CSU 6 A 24 B Request to Send RS 105 To DSU CSU 7 A 25 B Clear to Send CS 106 From DSU CSU 9 A 27 B Receiver Ready RR 109 From DSU CSU 13 A 31 B Data Mode DM 107 From DSU CSU 11 A 29 B Terminal Ready TR 108 1 2 To DSU CSU 12 A 30 B Terminal Timing TT 113 To DSU CSU 17 A 35 B Send Timing ST 114 From DSU CSU 5 A 23 B Receive Timing RT 115 From DSU CSU 8 A 26 B Local Loopback LL 141 To DSU...

Страница 152: ...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 A TXC B RXC A RXC B RTS CTS RLSD DSR SIG COMMON TT A TT B DTR RL LL TM SIG COMMON SHIELD TD A TD B RD A RD B TXC A TXC B RXC A RXC B RTS CTS RLSD DSR SIG COMMON TT A TT B DTR RL LL TM 530 SIGNAL DB25 PLUG MS34 SOCKET V 35 SIGNAL 497 15233 Figure C 7 EIA 530 A to V 35 Adapter Cable Feature Number 7900 F1 503 ...

Страница 153: ...ar to Send 106 From DSU CSU D Data Channel Received Line Signal Detector 109 From DSU CSU F Data Set Ready 107 From DSU CSU E Data Terminal Ready 108 1 2 To DSU CSU H Transmit Signal Element Timing DTE Source 113 To DSU CSU U A W B Transmit Signal Element Timing DCE Source 114 From DSU CSU Y A AA B Receiver Signal Element Timing DCE Source 115 From DSU CSU V A X B Local Loopback 141 To DSU CSU L L...

Страница 154: ...Cables and Pin Assignments C 14 7970 A2 GB20 00 August 1999 This page intentionally left blank ...

Страница 155: ... supply supplied with the unit Maximum Power Dissipation 6 watts Cables and Cable Guide Feature Number Description 3100 F1 517 DSX 1 G 703 Network Interface Cable 7900 F1 503 EIA 530 A to V 35 Adapter Cable 7900 F1 504 EIA 530 A to RS 449 Adapter Cable 7900 F1 505 EIA 530 A to X 21 Adapter Cable 7900 F1 506 Optional Power Cable 7900 F1 507 COM Port Interface Cable 7900 F1 514 DSL Network Interface...

Страница 156: ...Technical Specifications D 2 7970 A2 GB20 00 August 1999 ...

Страница 157: ...ubscribers Communications port A computer s serial communications port used to transmit to and receive data from a modem The modem connects directly to this port Customer Premises Customer Premises Equipment Terminal equipment on the service user s side of the telecommunications network interface Central Processing Unit The main or only computing device in a data processing system Cyclic Redundanc...

Страница 158: ...data Errored Seconds A second with one or more error events one or more CRC error events or OOFs 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 A type of network that supports high speed communication among systems It is a widely implemented standard for LANs All hosts are connect...

Страница 159: ...gnal on the network interface is looped back to the network without change 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 Loss of Signal The line condition where there are no pulses Line Termination Unit The control unit on the network end of a link The NTU is on the c...

Страница 160: ... America 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 Virtual terminal protocol in the Internet suite of protocols Allows the user of one host computer to log into a remote host computer...

Страница 161: ... PC cable C 3 DC Power cable C 5 DSL Network Interface Cable C 2 EIA 530 A to RS 449 Cable Interface C 10 EIA 530 A to X 21 Interface Cable C 8 Optional Power Cable C 5 part numbers D 1 pin Assignments C 1 Card Failed self test result 5 5 status message 5 4 Circuit Identifier A 3 Clock Failed status message 5 4 clocking A 7 COM port asychronous terminal settings 3 4 Communication Port Options A 14...

Страница 162: ...SX 1 DTE Loopback 6 8 Interface Option settings A 4 LED 5 16 network interface pin assignments C 6 Repeater Loopback 6 7 DSX 1 Failed self test result 5 5 DTE connecting 3 3 DTE loopback 6 8 6 15 DTE initiated loopbacks A 9 E E1 network interface pin assignments C 6 EER Excessive Error Rate status message 5 3 effective access level 8 2 EIA 530 A Port Interface Connector C 7 EIA 530 A to V 35 Cable...

Страница 163: ...for Models 7974 and 7984 4 5 Models 7975 and 7985 4 8 Models 7976 and 7986 4 10 M main menu 2 2 A 1 Management and Communication Options A 17 management port access 8 1 settings 2 1 manual configuration internal switches 4 2 Margin Threshold A 2 Memory Fail status 5 5 menu tree 2 4 messages alarm and device 7 1 health and status 5 3 line 24 7 3 self test results 5 5 test status 5 6 MIB general sup...

Страница 164: ...Configuration screen 3 13 saving configuration options 3 13 screen function keys 2 7 screen summary 2 4 screens for user interface 2 1 2 6 security 8 1 Selectable Payload Rates switch settings 4 7 self test results 5 5 Send AIS on Network Failure enabling A 5 A 11 Send All Ones on DSX 1 Failure enabling A 5 Send and Monitor 511 6 5 Send Ones configuration option A 8 Send Remote DCLB Loopback 6 12 ...

Страница 165: ...emote Send Line Loopback 6 4 Repeater Loopback 6 7 Send and Monitor 511 6 5 status messages 5 6 switch setting for telco loopback 4 5 switch setting for telco remote loopback 4 5 Telco initiated 6 18 terminating 6 17 Test Duration A 13 Test Timeout A 13 Time Slot16 configuration option A 11 timeout Com port session inactivity A 16 Telnet session inactivity A 18 transmit clock inversion A 8 transmi...

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