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Glossary

GL-2

February 2001

8784-A2-GB20-30

DSR

Data Set Ready. A signal from the modem to the DTE that indicates the modem is turned
ON and connected to the DTE.

DSX-1

Digital Signal Cross Connect level 1. An interconnection point for terminals, multiplexers
and transmission facilities.

DTE

Data Terminal Equipment. The equipment, such as a computer or terminal, that provides
data in the form of digital signals for transmission.

DTLB

Data Terminal LoopBack. Loopback mode that loops the data for a particular synchronous
data port back to the port just before it is combined with the rest of the T1 data stream.

DTR

Data Terminal Ready. A signal from the DTE to the modem, sent via Pin 20 of the
EIA-232 interface (V.24 circuit 108/1, /2), that indicates the DTE is turned ON and
connected to the modem.

E1

A wideband digital interface operating at 2.048 Mbps, defined by ITU recommendations
G.703 and G.704. It is used primarily outside North America.

EER

Excessive Error Rate. An error rate that is greater than the threshold that has been
configured in the device.

EIA-530-A

An Electronic Industries Association standard for a high-speed, 25-position, DCE/DTE
interface.

EOC

Embedded Operations Channel. An in-band channel between DSL devices, used for
8 kbps management data.

ES

Errored Seconds. A second with one or more error events (one or more CRC 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 using a Carrier Sense, Multiple Access with Collision Detection
(CSMA/CD) paradigm.

ETSI

European Telecommunications Standardization Institute. An organization that produces
technical standards in the area of telecommunications.

factory defaults

A predetermined set of configuration options containing the optimum settings for operation
on asynchronous dial networks.

FAS

Frame Alignment Signal. A loss of frame (LOF) error detection.

FAW

Frame Alignment Word. A loss of synchronization error detection.

FCC

Federal Communications Commission. The Board of Commissioners that regulates all
electrical communications that originate in the United States.

FDL

Facility Data Link. The selected framing bits in the ESF format used in a wide-area link that
are used for control, monitoring, and testing.

FEBE

Far-End Block Error. Block errors reported by remote equipment.

frame

One identifiable group of data bits that includes a sequence of bits for control and
identification information.

framer

A program or device that assembles and disassembles frames.

frame relay

A high-speed connection-oriented packet switching WAN protocol using variable-length
frames.

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Содержание Hotwire 8784

Страница 1: ...Hotwire 8784 TDM SDSL Termination Unit with DSX 1 Interface User s Guide Document No 8784 A2 GB20 30 February 2001...

Страница 2: ...cal sales representative service representative or distributor directly for any help needed For additional information concerning warranty sales service repair installation documentation training dist...

Страница 3: ...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 vol...

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...

Страница 5: ...3 SNMP Management Capabilities 1 4 Management Information Base MIB Support 1 4 SNMP Trap Support 1 4 2 Using the Asynchronous Terminal Interface User Interface Access 2 1 Management Serial Port Settin...

Страница 6: ...ng 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 Sta...

Страница 7: ...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 Acce...

Страница 8: ...n 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 au...

Страница 9: ...guration Provides procedures for configuring the unit Chapter 4 Monitoring the Unit Describes using the LEDs status and network statistics to monitor the unit Chapter 5 Testing Provides information ab...

Страница 10: ...ment Title 7970 A2 GB20 Hotwire TDM SDSL Standalone Termination Units Models 7974 7975 7976 7984 7985 and 7986 User s Guide 8000 A2 GB22 Hotwire Management Communications Controller MCC Card IP Conser...

Страница 11: ...544 Mbps 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 connect...

Страница 12: ...erface 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...

Страница 13: ...uter and 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 Fig...

Страница 14: ...tatus of the DSX 1 interface and supports the features found on the DSX 1 Performance Statistics screen Paradyne Enterprise MIB Supports configuration status statistics and tests Select Clear to reset...

Страница 15: ...Operations Channel EOC 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 Time...

Страница 16: ...iating 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 t...

Страница 17: ...ce and each user Data selection criteria What you entered in previous screens main Access Level Administrator Hotwire Slot 4 Model 8784 MAIN MENU Status Test Configuration Control Ctrl a to access the...

Страница 18: ...cs Network Performance Statistics Configuration Control Default Factory Configuration Configuration Loader Current Configuration Network DSX 1 Copy Ports System Options Management and Communication Ch...

Страница 19: ...rent Configuration Network Function key 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 netw...

Страница 20: ...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...

Страница 21: ...elections press the spacebar and the first valid value for the field will appear Continue pressing the spacebar to scroll through other valid values Function Keys All screen function keys located belo...

Страница 22: ...lined 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 ret...

Страница 23: ...ccessed the card through the MCC 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 au...

Страница 24: ...2 Using the Asynchronous Terminal Interface 2 10 February 2001 8784 A2 GB20 30...

Страница 25: ...d 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...

Страница 26: ...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...

Страница 27: ...and message key 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 s...

Страница 28: ...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 s...

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...

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...

Страница 31: ...ion 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 cau...

Страница 32: ...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 U...

Страница 33: ...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 N...

Страница 34: ...tion 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...

Страница 35: ...erface Improper configuration of the unit could render the user interface inaccessible If this occurs access can be restored using the MCC Procedure To reset the DSL Card 1 Select Configuration DSL Ca...

Страница 36: ...nterface 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 t...

Страница 37: ...tions 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 Viewi...

Страница 38: ...t 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 8784 SYSTEM...

Страница 39: ...ive 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...

Страница 40: ...tch 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...

Страница 41: ...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 Me...

Страница 42: ...s 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 performan...

Страница 43: ...e 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 er...

Страница 44: ...r 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 S...

Страница 45: ...elapsed in the current 15 minute interval Maximum value is 900 seconds 15 minutes This counter resets every 15 minutes DSL Line Rate The rate of the DSL line 400 to 1552 kbps Payload Rate The rate of...

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 whic...

Страница 47: ...nts 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 min...

Страница 48: ...t 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...

Страница 49: ...tatus of the DSX 1 interface 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 The LED stat...

Страница 50: ...test or 511 test pattern is in progress POST is in progress No tests are active DSX 1 1 2 Green On Slow cycling Fast cycling Off Recoverable signal is present on the DSX 1 interface Yellow Alarm Indi...

Страница 51: ...Network DSX 1 Tests Start and stop tests on the network or DSX 1 interface Device Tests Start and stop lamp test Abort All Tests To abort current tests excluding Network initiated loopback tests An a...

Страница 52: ...ults 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 disru...

Страница 53: ...ion 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 pos...

Страница 54: ...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 b...

Страница 55: ...he 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 positione...

Страница 56: ...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 s...

Страница 57: ...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 te...

Страница 58: ...e 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 eve...

Страница 59: ...e 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 th...

Страница 60: ...d Telco Initiated Payload Loopback The Hotwire 8784 Termination Unit supports payload loopback as specified in AT T TR 54016 and ANSI T1 403 A Telco initiated line loopback loops the received signal o...

Страница 61: ...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...

Страница 62: ...5 Testing 5 12 February 2001 8784 A2 GB20 30...

Страница 63: ...ubleshooting 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 Devi...

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 Trap...

Страница 65: ...action is needed Invalid Character x A nonprintable ASCII character x has been entered Re enter information using valid characters Invalid Password Login is required and an incorrect password was ent...

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...

Страница 67: ...it 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 properl...

Страница 68: ...6 Messages and Troubleshooting 6 6 February 2001 8784 A2 GB20 30...

Страница 69: ...vels 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 Sessi...

Страница 70: ...ntrol Administer Logins 2 Select New and press Enter The Login Entry screen is displayed main control admin_logins Hotwire Slot 4 Model 8784 ADMINISTER LOGINS Page 1 of 1 Login ID newuser Access Level...

Страница 71: ...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 correc...

Страница 72: ...nagement 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...

Страница 73: ...ssigned you can use the ATI to assign Peer IP addresses to the two TDM SDSL ports These addresses are used as the IP addresses of the remote units See Table A 1 Network Interface Options in Appendix A...

Страница 74: ...eer 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...

Страница 75: ...iguration Select To Access the To Configure the Network Network Interface Options Table A 1 DSL network interface Ports 1 and 2 DSX 1 DSX 1 Interface Options Table A 2 DSX 1 interface port Copy Ports...

Страница 76: ...condition 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 ra...

Страница 77: ...e 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 Pee...

Страница 78: ...sequence Main Menu Configuration Current Configuration DSX 1 main config DSX 1 Hotwire Slot 4 Model 8784 Port 2 DSX 1 INTERFACE OPTIONS Port Status Enable Line Framing ESF Line Coding B8ZS Line Equal...

Страница 79: ...sible 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 Inver...

Страница 80: ...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...

Страница 81: ...s the source of the configuration options 1 to 2 The configuration of the selected port is copied To Port y Possible Settings 1 2 All Default Setting 2 Controls the target of the configuration options...

Страница 82: ...screen follow this menu selection sequence Main Menu Configuration Current Configuration System main config system Hotwire Slot 4 Model 8784 SYSTEM OPTIONS DSL Mode LTU Test Timeout Enable Test Durat...

Страница 83: ...Tests 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 act...

Страница 84: ...A 8 Telnet Session Options To access the Telnet Sessions Options screen follow this menu selection sequence Main Menu Configuration Current Configuration Management and Communication Telnet Session ma...

Страница 85: ...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...

Страница 86: ...s 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...

Страница 87: ...ity 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 Al...

Страница 88: ...ement security Hotwire Slot 4 Model 8784 SNMP NMS SECURITY OPTIONS NMS IP Validation Enable Number of Managers 2 NMS 1 IP Address 135 014 040 001 Clear Access Type Read Write NMS 2 IP Address 135 014...

Страница 89: ...s 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 t...

Страница 90: ...t trap Hotwire Slot 4 Model 8784 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 0...

Страница 91: ...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 addre...

Страница 92: ...ap 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 interf...

Страница 93: ...ationFailure 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...

Страница 94: ...the same for all models although not all indexes 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...

Страница 95: ...uring 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 Oper...

Страница 96: ...B 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 rem...

Страница 97: ...ent Front Panel 50 pin DTE Connector Pinouts DTE connectors on the Hotwire 8784 Termination Unit provide the 4 wire DSX 1 interface from each DSL port to the DTE The following table lists the pin assi...

Страница 98: ...C Connector Pin Assignments C 2 February 2001 8784 A2 GB20 30...

Страница 99: ...The Hotwire 8784 TDM SDSL 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 wa...

Страница 100: ...D Technical Specifications D 2 February 2001 8784 A2 GB20 30...

Страница 101: ...ort 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 equ...

Страница 102: ...rror 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...

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...

Страница 104: ...x 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 simultane...

Страница 105: ...eiling DSL Line Rate A 3 enabling disabling 3 10 A 3 resetting 3 11 B Btu hr D 1 C Change Identity information 3 2 Circuit Identifier A 3 Clock Failed status message 4 4 Source Primary and Secondary A...

Страница 106: ...mbedded Operations Channel EOC 1 2 ending an ATI session 2 9 tests 5 9 Enterprise Specific Traps A 18 B 3 environment requirements D 1 Equalization Line A 5 Error messages line 24 6 3 Rate Threshold A...

Страница 107: ...me 8 1 logging in 2 2 Memory Fail self test result 4 5 messages alarm and device 6 1 6 3 health and status 4 3 line 24 6 3 self test results 4 5 test status 4 5 MIB support 1 4 Monitor and Send 511 pa...

Страница 108: ...s 3 7 screen area 2 5 security 7 1 options A 14 self test results 4 5 Send AIS on Network Failure A 6 All Ones on DSX 1 Failure A 6 and Monitor 511 5 7 Remote Line Loopback 5 6 Session Access Level Te...

Страница 109: ...511 5 7 status messages 4 5 stopping a 5 9 Telco initiated 5 10 Test Duration A 9 Test Timeout 5 9 A 9 Threshold Excessive Error Rate A 2 A 5 Margin A 2 timeout Telnet session inactivity A 11 Test A 9...

Страница 110: ...Index IN 6 February 2001 8784 A2 GB20 30...

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