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Monitoring the Unit

4-2

7985-A2-GB20-00

October 1998

Viewing System and Test Status

To view System and Test Status information, follow this menu selection
sequence:

Main Menu

→

Status

→

System and Test Status

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ

main/status/system

Hotwire

Model: 7985

SYSTEM AND TEST STATUS

Page 1 of 1

HEALTH AND STATUS

SELF-TEST RESULTS

TEST STATUS

–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

LOS at Net, Pt 1

CPU Failed

No Test Active

OOF at Net, Pt 1

Device Failed

LLB Test Active, Pt 1

EER at Net, Pt 1

Net DSL Failed, Pt 1

RLB Test Active, Pt 1

SYNC Pt Down, Pt 1

SYNC Pt Failed, Pt 1

DTLB Test Active, Pt 1

Net Margin Threshold, Pt 1

Memory Failed

DCLB Test Active, Pt 1

Fallback Rate, Pt 1

Failure

xxxxxxxx

511 Test Active, Pt 1

Devise Failed

yyyyyyyy

Passed

Lamp Test Active

Download Failed

Net Com Link Down

Mismatch Rate, Pt 1

ESC for previous menu

MainMenu

Exit

PgUp

PgDn

The System and Test Status screen has three sections:

Health and Status – Displays messages in priority order (highest to lowest).
Refer to

Table 4-1,

Health and Status Messages

Self-Test Results – Results of the Diagnostic test 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

Summary of Contents for Hotwire 7985

Page 1: ...HOTWIRE MODEL 7985 M HDSL STANDALONE TERMINATION UNIT WITH EIA 530a INTERFACE USER S GUIDE Document No 7985 A2 GB20 00 October 1998...

Page 2: ...herein will be documented and issued as a new release to this manual Warranty Sales and Service Information Contact your local sales representative service representative or distributor directly for...

Page 3: ...ables 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 th...

Page 4: ...mful 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...

Page 5: ...1 4 H MIB Support 1 5 2 Using the Asynchronous Terminal Interface H User Interface Access 2 1 H Communication Port Settings 2 1 H Initiating an ATI Session 2 2 H Screen Work Areas 2 5 H Navigating th...

Page 6: ...ng the Unit H What to Monitor 4 1 H Viewing System and Test Status 4 2 Health and Status 4 3 Self Test Results 4 4 Test Status 4 5 H Viewing Network Error Statistics 4 6 H Viewing Network Performance...

Page 7: ...ng H Selecting an IP Addressing Scheme 8 1 H IP Addressing Example 8 2 A Configuration Option Tables H Overview A 1 H Network Interface Options Menu A 2 H Synchronous Data Port Options Menu A 4 H Syst...

Page 8: ...rface Cable C 2 H COM Port Interface Cable C 3 H EIA 530A Port Interface Connector C 4 H EIA 530A to X 21 Interface Cable C 5 H EIA 530A to RS449 Cable Interface C 7 H EIA 530A to V 35 Cable Interface...

Page 9: ...Interface Provides instructions for accessing the user interface and navigating through the screens Chapter 3 Initial Startup and Configuration Provides procedures for setting up the user interface an...

Page 10: ...n values and accessory part numbers Glossary Defines acronyms and terms used in this document Index Lists key terms acronyms concepts and sections in alphabetical order Product Related Documents Docum...

Page 11: ...uit over varying distances based on the conditions of the 4 wire loop Examples include support for router multiplexer and PBX connections at 128 kbps with distances exceeding 29 000 feet 8 9 km on 24...

Page 12: ...session capability over the M HDSL network H Asynchronous Terminal Interface ATI Provides a menu driven VT100 compatible terminal interface for configuring and managing the termination unit locally o...

Page 13: ...d Data 98 16131 Router Frame Relay Encapsulated Data EIA 530a V 35 Router 2 048 Mb over SDSL 8786 or 8784 Termination Unit in 8600 DSLAM CO Site 7985 7985 7985 Customer Premises CP 7985 Customer Premi...

Page 14: ...on front panel LEDs refer to Chapter 4 Monitoring the Unit P O W E R A L A R M T E S T D S L D T E 98 16132 7985 M HDSL TM TM Figure 1 2 Hotwire Model 7985 Standalone Termination Unit Front Panel Rear...

Page 15: ...illustrates a typical M HDSL SNMP configuration Refer to Chapter 8 IP Addressing and Appendix B Standards Compliance for SNMP Traps 98 16134 V 35 8600 DSLAM Network 7985 AC INPUT AC 48VDC CLASS 2 OR...

Page 16: ...About the Model 7985 Standalone Termination Unit 1 6 7985 A2 GB20 00 October 1998 This page intentionally left blank...

Page 17: ...NOTE Only one asynchronous 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 Inactivit...

Page 18: ...you for a login ID and password Login Hotwire Model 7985 LOGIN Login ID Enter Password Ctrl a to access these functions Exit After you enter a valid login ID and password the Main Menu appears If you...

Page 19: ...tistics LEDs and device identity information Test Select and cancel tests for the termination unit s interfaces Configuration Display and edit the configuration options Control Change the device ident...

Page 20: ...rror Statistics Network Performance Statistics Configuration Control Factory Config Configuration Loader Current Configuration Edit Display System Options Communication Protocol Option Communication P...

Page 21: ...d Configuration From Network Interface Options H Screen function key area This is the area below the dotted line that lists function keys specific to the screen field value choices and system messages...

Page 22: ...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...

Page 23: ...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 Sel...

Page 24: ...line 2 Select either the function s designated underlined character or press the Tab key until you reach the desired function key Example To save the current screen type s or S Save 3 Press Enter 4 T...

Page 25: ...een to terminate the session Procedure To end a session with the asynchronous terminal interface 1 Press Ctrl a to go to the screen function key area below the dotted line 2 Save changes if required A...

Page 26: ...Using the Asynchronous Terminal Interface 2 10 7985 A2 GB20 00 October 1998 This page intentionally left blank...

Page 27: ...Connecting a system terminal H Providing initial unit identity information or changing existing identity information H Configuring your unit using internal switchpacks or using the Configuration Edit...

Page 28: ...Source Connecting the Unit to an Optional External DC Power Source Use the following procedures only if you want to use the dc power cable Using the dc power cable the Hotwire Model 7985 Standalone Te...

Page 29: ...on the rear panel You may have terminals attached to both endpoints The system terminal must be a VT100 compatible terminal or a PC running terminal emulation software The system maintenance terminal...

Page 30: ...it Save Fields on the Card Identity screen are null until you enter values The field values display 40 characters with a maximum field length of 128 characters If a field value is greater than 40 char...

Page 31: ...tion option settings Configuration Options The Model 7985 Standalone Termination Unit is shipped with factory settings in the Default Factory configuration area You can find default information by H R...

Page 32: ...oper static control precautions to prevent damage to equipment If you are not sure of the proper static control precautions contact your nearest sales or service representative Procedure To configure...

Page 33: ...B20 00 October 1998 Switchpack Locations Use Figure 3 1 to locate Switchpacks S1 and S2 98 15937 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 3 1 Hotwire Model 7985 S...

Page 34: ...2 Controls Sync Port Type OFF 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...

Page 35: ...21 x 64 ON OFF ON OFF ON 1552 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...

Page 36: ...Not used 8 Emergency Use Only The Model 7985 has two banks of flash memory used to hold executable firmware This switch allows you to switch between the two versions of firmware This switch is indepe...

Page 37: ...nt Configuration Configuration Loader Default Factory Configuration Ctrl a to access these functions ESC for previous menu MainMenu Exit Make a selection by placing the cursor at your choice and press...

Page 38: ...ication Ctrl a to access these functions ESC for previous menu MainMenu Exit Save See Appendix A Configuration Option Tables for a list and explanation of the configuration options available Select To...

Page 39: ...rgin Threshold 3db Excessive Error Rate Threshold 1E 5 AutoRate Disable DSL Line Rate 144 Circuit Identifier Clear Ctrl a to access these functions ESC for previous menu MainMenu Exit Save Procedure T...

Page 40: ...oad configurations to and download configurations from a TFTP server To access the Configuration Loader screen follow this menu selection sequence Main Menu Configuration Configuration Loader main con...

Page 41: ...directories 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 Posit...

Page 42: ...ponse main config saveprompt Hotwire Model 7985 SAVE CONFIGURATION Save Changes No WARNING An answer of yes will cause the system to reset as if it had been powered off and on Ctrl a to access these f...

Page 43: ...e downloaded The file name may be a regular path name expression of directory names separated by a forward slash ending with the file name The total path name length can be up to 128 characters 2 Posi...

Page 44: ...Initial Startup and Configuration 3 18 7985 A2 GB20 00 October 1998 This page intentionally left blank...

Page 45: ...on Units on the network You can monitor Model 7985 Standalone Termination Unit operations by viewing H System and Test Status screens H Highest priority Health and Status messages on the last line of...

Page 46: ...n Pt 1 SYNC Pt Failed Pt 1 DTLB Test Active Pt 1 Net Margin Threshold Pt 1 Memory Failed DCLB Test Active Pt 1 Fallback Rate Pt 1 Failure xxxxxxxx 511 Test Active Pt 1 Devise Failed yyyyyyyy Passed La...

Page 47: ...twork provider EER at Net Pt 1 An EER Excessive Error Rate condition has been detected on the network interface at Port 1 The condition is cleared when the error rate falls below the threshold value c...

Page 48: ...t the unit and try again DeviceFailed One or more of the Model 7985 Standalone Termination Unit s integrated circuit chips has failed device level testing 2 Call your service representative for assist...

Page 49: ...y running LLB Test Active Pt 1 A network Line Loopback test is active on Port 1 RLB Test Active Pt 1 A network Repeater Loopback test is active on Port 1 DTLB Test Active Pt 1 A Data Terminal Loopback...

Page 50: ...02 000 000 000 000 000 000 Yes Yes Interval 03 000 000 000 000 000 000 Yes Yes Interval 04 000 000 000 000 000 000 Yes Yes Interval 05 000 000 000 000 000 000 Yes Yes Interval 06 000 000 000 000 000 0...

Page 51: ...A running total of CRC errors Range 0 65535 This counter resets when the near end data is cleared Current Interval Performance data for the current 15 minutes Interval xx Historical performance data f...

Page 52: ...048 Kbps Current Interval Timer 2 DSL Line Rate 2063 kbps MrGn XmtPw RxGn Complete Near Far Near Far Near Far Near Far Current Int 02 01 03 03 02 02 Yes Yes Interval 01 02 03 02 Yes No Interval 02 02...

Page 53: ...del 7985 Standalone Termination Unit LEDs can be viewed on the Display LEDs Status screen This ATI status screen is available locally and remotely The 3 groups of LEDs are H General LEDs display the s...

Page 54: ...wnload is required ALARM Red Off Device failure or Power On Self Test POST is not complete Self test passed TEST Yellow Yellow flashing Off Loopback test or 511 test pattern in progress Self test in p...

Page 55: ...C Data Port Tests Device Tests Abort All Tests Ctrl a to access these functions ESC for previous menu MainMenu Exit Select To Network Tests Start and stop tests on the network interface SYNC Data Port...

Page 56: ...00 00 Pattern Tests Send and Monitor 511 Stop Active hh mm ss Errors 99999 Ctrl a to access these functions ESC for previous menu MainMenu Exit ResetMon Use the Command column to start or stop a test...

Page 57: ...Port CAP Procedure To run a Line Loopback 1 Position the cursor at the Start command next to Line Loopback on the Network Tests screen 2 Press Enter The Start command is changed to Stop 3 To manually...

Page 58: ...Position the cursor at the Start command next to Repeater Loopback on the Network Tests screen 2 Press Enter The Start command is changed to Stop 3 To manually stop the test verify that the cursor is...

Page 59: ...ed to verify the link 98 15939 01 NTU LTU Port Interface Framer EIA 530 Port CAP All 1s NTU LTU Port Interface Framer CAP Local Remote Procedure To run a Remote Send Line Loopback 1 Position the curso...

Page 60: ...pattern 98 15936 NTU LTU EIA 530 Port All 1s NTU LTU Local Remote All 1s 511 Pattern CAP 511 Gen 511 Mon CAP 511 Mon 511 Gen Framer Port Interface Framer Port Interface 511 Pattern Procedure To run a...

Page 61: ...inal Loopback Start Inactive 00 00 00 Data Channel Loopback Start Inactive 00 00 00 Remote Loopbacks Send Remote DCLB Down Send Inactive 00 00 00 Ctrl a to access these functions ESC for previous menu...

Page 62: ...face Framer EIA 530 Port CAP All 1s 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...

Page 63: ...l 1s 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...

Page 64: ...LB 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...

Page 65: ...to access these functions ESC for previous menu MainMenu Exit Lamp Test The Lamp test determines whether all LEDs are lighting and functioning properly Procedure To test the LEDs 1 Position the curso...

Page 66: ...after it has been running a specified period of time The default is 10 minutes Refer to Table A 3 System Options Test Timeout does not pertain to tests initiated by the network H On each test screen...

Page 67: ...sages and Troubleshooting 6 Overview There are many messages available to assess the status of the device and contribute to problem resolutions Refer to the following sections H Configuring SNMP Traps...

Page 68: ...g an IP address and network destination for each SNMP manager specified H Select the type of SNMP traps to be sent from the Model 7985 Standalone Termination Unit To configure SNMP Traps follow this m...

Page 69: ...ion needed Invalid Character x A nonprintable ASCII character x has been entered Reenter information using valid characters Invalid Data Terminal Initiated Loopback Active Network initiated loopback w...

Page 70: ...d 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...

Page 71: ...e the unit is configured properly Verify it s 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...

Page 72: ...rk and data port cables H Run Loopback tests Refer to Chapter 5 Testing H Stop the test or wait for the test to H A test is being executed on the unit check the TEST LED on the front panel H The far e...

Page 73: ...n option See Table A 5 Telnet Sessions Options in Appendix A Configuration Option Tables ATI Access Levels The Model 7985 Standalone Termination Unit has two access levels Administrator and Operator T...

Page 74: ...e and include an access level Procedure 1 To create a login record follow this menu selection sequence Main Menu Control Administer Logins main control admin_logins Hotwire Model 7985 ADMINISTER LOGIN...

Page 75: ...racters 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 mak...

Page 76: ...ectivity can be restored via a terminal directly connected to the COM port Two methods can be used to restore access to the user interface H Reset COM Port Allows you to reset the configuration option...

Page 77: ...y will restore all factory loaded configuration and control settings contained in the Default Factory Configuration area are loaded If no or n is entered or if no selection is made within 30 seconds t...

Page 78: ...Security 7 6 7985 A2 GB20 00 October 1998 This page intentionally left blank...

Page 79: ...f the M HDSL Network interface menu Once the address is assigned you can use the Model 7985 Standalone Termination Unit s ATI to assign H An IP address for each NMS to act as a trap manager See Table...

Page 80: ...Address 126 35 10 1 Port 3 Peer IP Address 126 35 10 2 Port 4 Peer IP Address 126 35 10 3 NTU 8776 MCC MCC Backplane Address 126 35 1 1 MCC Backplane Mask 255 255 0 0 7985 NTU IP Address 126 35 7 2 LT...

Page 81: ...k interface Ports SYNC Port Synchronous Data Port Options Table A 2 Synchronous DTE interface Port System System Options Table A 3 General system options of the unit Communication Port Communication P...

Page 82: ...ings Enable Disable Default Setting Enable Specifies whether the DSL line will automatically train up to the best rate or be user selectable This option is only available when the standalone unit is c...

Page 83: ...001 223 255 255 255 Enter an address for the peer unit The range for the first byte is 000 to 223 with the exception of 127 The range for the remaining three bytes is 000 to 255 The peer IP address m...

Page 84: ...r cable to connect to the DB25 Port connector on the rear panel of the unit Payload Rate Possible Settings 64 128 192 256 320 384 448 512 576 640 704 768 832 896 960 1024 1088 1152 1216 1280 1344 1408...

Page 85: ...change circuits 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 Monitor...

Page 86: ...the DTE interchange circuits as specified by the V 54 standard Disable Disables control of local DTLBs and remote DCLBs by the DTE connected to this port DTLB Gives control of the local DTLBs for this...

Page 87: ...l reset the card Test Timeout Possible Settings Enable Disable Default Setting Enable Allows user initiated tests to end automatically The feature should be enabled when the unit is remotely managed s...

Page 88: ...ynchronous Default Setting Asynchronous When Port Use is set to Net Link Port Type controls whether the communication port will be asynchronous or synchronous Asynchronous Configures the communication...

Page 89: ...and password are required to access the asynchronous terminal interface Disable No Login ID and password are required to access the asynchronous terminal interface Port Access Level Possible Settings...

Page 90: ...inutes Possible Settings 1 60 Default Setting 5 Number of minutes of inactivity before the session terminates automatically Timeout is based on no keyboard activity H Disconnect Time minutes option ap...

Page 91: ...reen follow this menu selection sequence Main Menu Configuration Load Configuration From Management and Communication Telnet Session Table A 5 Telnet Session Options 1 of 2 Telnet Session Possible Set...

Page 92: ...t Time Disable A Telnet session will not be closed due to inactivity Disconnect Time Minutes Possible Settings 1 60 Default Setting 5 Number of minutes of inactivity before a Telnet session terminates...

Page 93: ...when the Port Use option on the Communication Port Options menu is set to Net Link If the COM Port IP address is not set 000 000 000 000 the node IP address specified by the Node IP Port will be used...

Page 94: ...ible Settings 000 000 000 000 223 255 255 255 Clear Default Setting 000 000 000 000 Specifies the Internet Protocol address used to identify each SNMP trap manager 000 000 000 000 223 255 255 255 Ente...

Page 95: ...Up A linkUp trap is generated when the 7985 Termination Unit recognizes that one of the communication interfaces is operational Down A linkDown trap is generated when the 7985 Termination Unit recogn...

Page 96: ...Configuration Option Tables A 16 7985 A2 GB20 00 October 1998 This page intentionally left blank...

Page 97: ...ationFailure H linkUp H 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...

Page 98: ...o 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 HDSL Interfac...

Page 99: ...eDeviceFail 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 enterpris...

Page 100: ...SendLLBUp 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 tests is active on the interfa...

Page 101: ...ng sections provide pin assignments H DSL Network Interface Cable H COM Port Interface Cable H EIA 530A Port Interface Connector H EIA 530A to X 21 Interface Cable H EIA 530A to RS 449 Interface Cable...

Page 102: ...red for connecting two Model 7985 Termination Units back to back 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 Blu...

Page 103: ...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...

Page 104: ...ved Data 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...

Page 105: ...shown in Table C 4 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 RX...

Page 106: ...mmon 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...

Page 107: ...3 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 CO...

Page 108: ...4 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 Termi...

Page 109: ...15 12 17 9 4 5 8 6 7 24 11 20 21 18 25 23 A P S R T Y AA V X C D F E B U W H N L NN SHIELD TD A TD B RD A RD B TXC A TXC B RXC A RXC B RTS CTS RLSD DSR SIG COMMON TT A TT B DTR RL LL TM SIG COMMON SHI...

Page 110: ...r 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...

Page 111: ...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...

Page 112: ...Cables and Pin Assignments C 12 7985 A2 GB20 00 October 1998 This page intentionally left blank...

Page 113: ...power supply supplied with the unit Maximum Power Dissipation 6 watts Cables and Cable Guide Feature Number Description 7900 F1 503 EIA 530A to V 35 Interface Cable 7900 F1 504 EIA 530A to X 21 Interf...

Page 114: ...Technical Specifications D 2 7985 A2 GB20 00 October 1998 This page intentionally left blank...

Page 115: ...A mathematical method of confirming the integrity of received digital data Clear To Send A signal indicating that the device is ready for the DTE to transmit data Usually occurs in response to Request...

Page 116: ...l standards in the area of telecommunications A predetermined set of configuration options containing the optimum settings for operation on asynchronous dial networks Frame Alignment Signal A loss of...

Page 117: ...ion Unit The unit on the customer premises end of a link The LTU is on the network end Out Of Frame An error condition in which frame synchronization bits are in error A reinitialization of the device...

Page 118: ...from a remote system without directory or file listing TFTP is used where FTP is not available Transmit Data Pin 2 of the EIA 232 interface that is used by the DTE to transmit data to the modem Conve...

Page 119: ...C 1 figures C 1 part numbers D 1 pin Assignments C 1 cabling COM Port to PC cable C 3 DC Power cable C 11 DSL Network Interface Cable C 2 Card Failed self test result 4 4 status message 4 3 Circuit Id...

Page 120: ...A 2 F factory default configuration options resetting 7 4 factory defaults 3 5 Failure self test result 4 4 feature numbers D 1 features 1 2 firmware download from server 3 17 H health and status mes...

Page 121: ...upply ac transformer 3 2 optional dc 3 2 3 18 R Rear Panel 1 4 related documents vi remote send line loopback 5 5 repeater loopback RLB 5 4 resetting the access unit COM port 7 4 the unit default conf...

Page 122: ...ks A 6 Remote Send Line Loopback 5 5 Repeater Loopback 5 4 Send and Monitor 511 5 6 status messages 4 5 SYNC Data Port 5 7 terminating 5 12 Test Duration A 7 Test Timeout A 7 Test menu 5 2 testing 5 1...

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