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Configuration Option Tables

A-15

7985-A2-GB20-00

October 1998

Table A-7.

SNMP Traps Options (2 of 2)

Enterprise Specific Traps

Possible Settings: Enable, Disable
Default Setting: Disable

Determines if SNMP traps are generated for enterprise-specific events.

Enable – SNMP traps are generated for

enterpriseSpecific events.

NOTE:

Refer to

Enterprise Specific Traps

in Appendix B,

Standards Compliance

for SNMP Traps

Disable – No enterprise-specific event traps are sent.

Link Traps

Possible Settings: Disable, Up, Down, Both
Default Setting: Both

Determines if SNMP traps are generated for link up and link down for one of the
communication interfaces.

Disable – No

linkUp or linkDown SNMP traps are generated.

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 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 Trap Interfaces

Possible Settings: Network, SYNC, All
Default Setting: All

Determines if the SNMP

linkUp, SNMP linkDown, and interface-related

enterpriseSpecific traps are generated for the network interface and synchronous data
(DTE) port, or all.

Network – SNMP trap messages are generated for the network interface.

SYNC – SNMP trap messages are generated for the synchronous data (DTE) port.

All – SNMP trap messages are generated for the network interface and the
synchronous data (DTE) ports.

Содержание Hotwire 7985

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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