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Paradyne 7975 Network Card User Manual

1. o o NN T VN CNN oDNE o NN DNE CNN NEN o NN EN o NN O CNN oa NN Figure 3 1 7975 A2 GB20 40 4 mdi OQ Front Tl 1 3 Rear 98 15937 Hotwire 7975 Standalone Termination Unit Switchpack Locations December 1998 3 7 Initial Startup and Configuration Switchpack Definitions Manually change configuration options by moving Switchpack S1 DIP switches on the card Table 3 1 lists Switchpack S1 definitions Table 3 1 Switchpack S1 Definitions Switch 4t Allows you to Default in Bold 1 Enable or disable Switchpacks S1 and S2 OFF Switchpacks Disabled ON Switchpacks Enabled Control Sync Port Type OFF EIA 530 RS 449 or X 21 ON V 35 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 3 2 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 1Mbps units Use Table 3 2 to set the Sync Port Payload Rate Defaults are shown in bold NOTE Sync Port and DSL Line Rates can only be selected from units configured as LTU Switchpack S2 1 with AutoR
2. Type LED LEDis Indicating SYSTEM POWER _ Green Unit has power Off No power to the Unit Flashing Unit is in minimum mode and a download is required ALARM Red Device failure or Power On Self Test POST is not complete Off Self test passed TEST Yellow Loopback test or 511 test pattern in progress Yellow Self test in progress flashing Off No tests DSL DSL Green DSL link is up Amber DSL training in progress Amber An OOF condition exists flashing Off The DSL Link is down SYNC Port DTE Green Interchange circuits for the port are in the correct state to transmit and receive data Amber The port is configured to monitor DTR and or RTS and no monitored lead is asserted Amber The Data Channel or Data Terminal loopback flashing is active 4 10 December 1998 7975 A2 GB20 40 Testing Accessing the Test Menu From the Test menu you can run network tests data port tests and a lamp test for the front panel LEDs To access the Test menu follow this menu selection sequence Main Menu Test main test Hotwire Model 7975 TEST Network Tests SYNC Data Port Tests Device Tests Abort All Tests Ctrl a to access these functions ESC for previous menu MainMenu Select To Network Tests Start and stop tests on the network interface SYNC Data Port Tests Start and stop tests on the SYNC Port interface Device Tests Start and stop lamp test Abort All T
3. 3 5 Configuration ODplIONS ncn RERPhseRPRRRPRRRERRRERRRRRPRSES S 3 5 m Configuring the Unit Using the Internal Switches 3 6 SWitchpack Locations 2a ndo un dioc ete acabe tracks d 3 7 Swilchpack Deflhitiolis lt cactidacustargidscinddiimdatesdideedad 3 8 m Accessing and Displaying Configuration Options 3 11 a Configuration EdIUDISplay 255i spepbRIRRPIiBRRRPRPRS e bBRPRERRRPEA 3 12 m Configuring AutoRate isssssssssssssss essen 3 13 m Oontiguratlonm Loader 3 33pbebheUs EMO EPDOEE RP ESPDE E PPRRE DES 3 14 m Saving Configuration Options isersilepec er bte eror ERR eS 3 16 E Download GOUQuisisetbu ub ERES D REM Abqpa n piedad 3 17 4 Monitoring the Unit wi What tO MODICO 2o oce ical stated buit a D hebr 3 nding tees Sec 4 1 Viewing System and Test Status usesesellulesesssese 4 2 Healtliand Stalts 2 cmo ivatiteeleteetiaiaelebasdidaelabwaded 4 3 Sel lest RESUS 2252 22 29 teire daise lat aed eine acea d 4 4 Tes SISIUB uadsetebued ides d bac stasdicieade tetas saad ade 4 5 m Viewing Network Error Statistics 0000 0c cece eee 4 6 m Viewing Network Performance Statistics 0000ee eee eee 4 8 m Viewing 7975 Standalone Termination Unit LEDs 4 9 m 7975 Standalone Termination Unit LEDs 2 0005 4 10 ii December 1998 7975 A2 GB20 40 Contents 5 Testing m Accessing the Test MenuU
4. 0 cece eect ess 5 1 B Running NEWONCTSSIS vcd cuss s PSP de Pd K RE Pha bab 5 2 Eine bOODDSOE uuusecmdkssue phu Sade sta Died shee D oe des 5 3 Repeater Loopback ac cevisertbpesTeEbept est URP Ub EPI PR 5 4 Send Remote Line Loopback sseslulueessssss 5 5 Send and Mentor T1 ad i2aedonecs sii P PORE PP QcoE E die ain 5 6 m Running SYNC Data Port Tests 000 0c cece eee eens 5 7 Data Terminal LOOPBACK ecis Kiokahitis hienon ina ee Inher bte Ship 5 8 Data Ghannel Loopback isi phReeRERRRRRRRCHEREPRRHRPERREPSEDPE 5 9 Send Remote Data Channel Loopback 222 0005 5 10 a Device TESS irris nisrani iia n aa ean dete ios osito dads 5 11 SMe ere ee eee Corer ee Tee CC ee Te re Cer ee re rere T 5 11 m Ending an Active Test scans edad sarba nirna beck apu End 5 12 6 Messages and Troubleshooting T OVNEN assoucdrpcrebita ui beans puo dedic bold d S A 6 1 w Gontig tririg SNMP Traps eocrtese iestkheCBFRRPREPERRERRRREPPNMPRTS 6 2 m Device MESSAGES s cesis en etuer E machen EUR MUR Gic eran eS 6 3 A Woubleshgollqs sus s ease tcr Scb P Emo Seu Eun d ee dia dus 6 5 7 Security W OVerVIBW ds22594 46 dec aded obex e diode fetu bcd d dedu see 7 1 B All AcGOSS LEVES qussscesidaesuhiaers asbOceR c0 dodo Saba dd 7 1 B Cheating d Looms es seriairiqtasCvrsibqQo a daa datoahadaa san 7 2 E Deledng a logi usosotrbreeRbRt RBhRORRPTCeRHBETMARRPMRBRERPRAERRR 7 4 a Controlling SNMP ACCGSS 2o osk xr
5. 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 495 14323 01 Figure C 4 EIA 530A to RS449 Cable Pinouts Feature Number 7900 F1 504 C 8 December 1998 7975 A2 GB20 40 Cables and Pin Assignments Table C 4 RS449 Cable Interface Circuit CCITT Signal Mnemonic Number Direction Pin Shield 1 Signal Ground SG 102A 19 Receive Ground RC 102B 20 Send Common SC 37 Send Data SD 103 To DSU CSU 4 A 22 B Receive Data RD 104 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 CSU 10 Remote Loopback RL 140 To DSU CSU 14 Test Mode TM 142 From DSU CSU 18 7975 A2 GB20 40 December 1998 C 9 Cables and Pin Assignments EIA 530A to V 35 Cable Interface The EIA 530A to V 35 adapter cable Figure C 5 provides the V 35 interface shown in Table C 5 98 15885 530 DB25 MS34 V 35 SIGNAL PLUG SOCKET SIGNAL SHIELD SHIELD TD A
6. 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 inkUp or linkDown SNMP traps are generated Up A linkUptrap is generated when the 7975 Termination Unit recognizes that one of the communication interfaces is operational Down A linkDown trap is generated when the 7975 Termination Unit recognizes a failure in one of the communication interfaces Both Sends trap messages for detection of both inkUp and linkDown NOTE Refer to inkUp 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 inkUp SNMP inkDown 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 7975 A2 GB20 40 December 1998 A 15 Configuration Option Tables General SNMP Management Options A 16 SNMP configuration options allow you to specify the information necessary to support the Termination Unit General SNMP functionality T
7. 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 December 1998 7975 A2 GB20 40 Cables and Pin Assignments EIA 530A Port Interface Connector The EIA 530A Port interface connector information is shown in Table C 3 Table C 3 EIA 530A Port Interface Connector Circuit CCITT Signal Mnemonic Number Direction Pin Shield 1 Signal Common AB 102A 7 Signal Common AC 102B 23 Transmitted Data BA 103 To DSU CSU 2 A 14 B Received 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 From DSU CSU 6 DTE Ready CD 108 1 2 To DSU CSU 20 Transmit Signal Element Timing DA 113 To DSU CSU 11 B DTE Source 24 A Transmit Signal Element Timing DB 114 From DSU CSU 12 B DCE Source 15 A Receiver Signal Element Timing DD 115 From DSU CSU 17 A DCE Source 9 B Local Loopback LL 141 To DSU CSU 18 Remote Loopback RL 140 To DSU CSU 21 Test Mode TM 142 From DSU CSU 25 7975 A2 GB20 40 December 1998 C 5 Cables and Pin Assignments EIA 530A to X 21 Interface Cable The EIA 530A to X 21 adapter cable Figure C 3 provides the X 21 interfac
8. The unit can be managed by an SNMP manager supporting SNMP The community name must be supplied by an external SNMP manager accessing an object in the MIB To define SNMP community names follow this menu selection sequence Main Menu gt Configuration Load Configuration From Edit gt SNMP General SNMP Management Refer to Table A 8 General SNMP Management Options to 7 4 Enable SNMP Management Assign the SNMP community names of the SNMP Managers that are allowed to access the units Management Information Base MIB Specify Read or Read Write access for each SNMP community name December 1998 7975 A2 GB20 40 Security 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 control SNMP access with IP addresses follow this menu selection sequence Main Menu Configuration Management Security Menu Refer to Table A 9 SNMP NMS Security Options The SNMP access can be limited by m Enabling NMS IP address checking m Add each IP address and access level NOTE Do not change or delete the IP address or access level of the NMS performing the sets or enable IP address checking prior to adding the NMS to the table Resetting the Termination Unit s COM Port or Factory Defaults Misconfiguring the termination unit could render the user interface inaccess
9. HOTWIRE 7975 M SDSL STANDALONE TERMINATION UNIT USER S GUIDE Document No 7975 A2 GB20 40 December 1998 Copyright 1998 Paradyne Corporation All rights reserved Printed in U S A Notice This publication is protected by federal copyright law No part of this publication may be copied or distributed transmitted transcribed stored in a retrieval system or translated into any human or computer language in any form or by any means electronic mechanical magnetic manual or otherwise or disclosed to third parties without the express written permission of Paradyne Corporation 8545 126th Ave N Largo FL 33773 Paradyne Corporation makes no representation or warranties with respect to the contents hereof and specifically disclaims any implied warranties of merchantability or fitness for a particular purpose Further Paradyne Corporation reserves the right to revise this publication and to make changes from time to time in the contents hereof without obligation of Paradyne Corporation to notify any person of such revision or changes Changes and enhancements to the product and to the information 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 any help needed For additional information concerning warranty sales service repair installation documentation training dist
10. Session Access Level Possible Settings Administrator Operator Default Setting Administrator The Telnet session access level is interrelated with the access level of the Login ID Refer to AT Access Levels in Chapter 7 Security for more information Administrator This is the higher access level permitting full control of the 7975 Termination 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 Possible Settings Enable Disable Default Setting Disable Provides automatic logoff of a Telnet session Enable The Telnet session terminates automatically after the Disconnect 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 automatically Time out is based on no keyboard activity Disconnect Time minutes option appears when Inactivity Timeout is enabled 1 to 60 The Telnet session is closed after the selected number of minutes Communication Protocol Options To access the Communication Protocol Options screen follow this menu selection sequence Main Menu Configuration Load Configuration From gt
11. main status system Hotwire Model 7975 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 The System and Test Status screen has three sections m Health and Status Displays messages in priority order highest to lowest Refer to Table 4 1 Health and Status Messages m Self Test Results Results of the Diagnostic test run on the device itself Refer to Table 4 2 Self Test Results Messages m Test Status Currently active tests Refer to Table 4 3 Test Status Messages 4 2 December 1998 7975 A2 GB20 40 Monitoring the Unit Health and Status 7975 A2 GB20 40 The following messages can appear in the first column of the System and Test Status screen The highest priority Health and Status message also appears on all ATI screens on the bottom right Table 4 1 Health and Status Messages Message What Message Indicates What To Do System There are no problems Operational detected LOS at
12. Available payload rates are 320 and 384 kbps 528 Available payload rates are 448 and 512 kbps 784 Available payload rates are 576 640 704 and 768 kbps 1040 Available payload rates are 832 896 960 and 1024 kbps 1552 2 Mbps unit only Available payload rates are 1088 1152 1216 1280 1344 1408 1472 and 1536 kbps 2064 2 Mbps unit only Available payload rates are 1600 1664 1728 1792 1856 1920 1984 and 2048 kbps Peer IP Address Possible Settings 000 000 000 001 223 255 255 255 Clear Default Setting 000 000 000 001 Specifies the peer IP address for the remote management providing the remote management link on the DSL loop This option is only available when the standalone unit is configured as an LTU 000 000 000 001 223 255 255 255 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 must be in the same subnet as the MCC address Clear Clears the IP address field and sets to all zeros Circuit Identifier Possible Settings ASCII Text Clear Default Setting blank Uniquely identifies the circuit number of the transmission vendor s DSL line for troubleshooting purposes ASCII Text Enter a maximum of 128 characters All printable ASCII characters except caret are allowed Clear Clears the fie
13. B gt Procedure 1 To create a login record follow this menu selection sequence Main Menu gt Control Administer Logins main control admin logins Hotwire Model 7975 ADMINISTER LOGINS Page 1 of x Login ID newuser Access Level Administrator Are you sure Yes ESC for previous menu MainMenu Exit New Delete 2 Select Newuser and press Enter The Login Entry screen is displayed main control admin logins Hotwire Slot 4 Model 7975 LOGIN ENTRY Login ID newuser2 Password es342 Re enter Password es342 Access Level Administrator WARNING New logins will not become permanent until saved through the ADMINISTER LOGINS screen Ctrl a to access these functions ESC for previous menu MainMenu Exit Save 7 2 December 1998 7975 A2 GB20 40 7975 A2 GB20 40 Security 3 Create the login by entering the following fields Login IDs and passwords are case sensitive On the Login Entry screen for the Enter Login ID 1 to 10 ASCII printable characters hex21 through 7E Blanks are not allowed Password 1 to 10 ASCII printable characters that can consist of 0 9 a z A Z pound period dash and slash Re enter Password 1 to 10 ASCII printable characters 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
14. Management and Communication Comm Protocol Options Table A 6 Communication Protocol Options 1 of 2 Node IP Address Possible Settings 000 000 000 000 223 255 255 255 Default Setting 000 000 000 000 Specifies the Node IP address This option is only available when the standalone unit is configured as an LTU 000 000 000 000 223 255 255 255 Enter an IP address for the node 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 A 12 December 1998 7975 A2 GB20 40 Configuration Option Tables Table A 6 Communication Protocol Options 2 of 2 Node Subnet Mask Possible Settings 000 000 000 000 255 255 255 255 Default Setting 000 000 000 000 Specifies the Node Subnet Mask This option is only available when the standalone unit is configured as an LTU 000 000 000 000 255 255 255 255 Enter an address for the Node Subnet Mask Default Network Destination Possible Settings None COM DSL Default Setting None Specifies where 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 Unroutable data is discarded COM The unit s COM port is the default network destination This option is only available when the Port Use option on the
15. None Specifies the parity of the communication port None No parity used Odd Odd parity used Even Even parity used A 8 December 1998 7975 A2 GB20 40 Configuration Option Tables Table A 4 Communication Port 2 of 3 Stop Bits Possible Settings 1 1 5 2 Default Setting 1 Specifies the number of stop bits for the communication port 1 One stop bit 1 5 One and one half stop bits 2 Two stop bits used Ignore Control Leads Possible Settings Disable DTR Default Setting Disable Specifies whether DTR is used Disable Control leads are treated as standard DTR DTR is ignored Login Required Possible Settings Enable Disable Default Setting Disable Specifies if an ID and password are required to access the asynchronous terminal interface on the communication port Login IDs are created with a password and access level Refer to Chapter 7 Creating a Login Enable Login ID 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 Administrator Operator Default Setting Administrator Specifies the highest level of access allowed when accessing an ATI session through a Telnet session Administrator This is the higher access level permitting full control of the 7975 Te
16. Pt 1 The 7975 Standalone Termination Unit failed to loop data on the network DSL circuit of Port 1 1 Reset the unit and try again Call your service representative for assistance SYNC Pt Failed Pt 1 The 7975 Standalone Termination Unit failed to internally loop data on the synchronous Port 1 Memory Failed The 7975 Standalone Termination Unit failed memory verification 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 Passed No errors were detected 4 4 December 1998 7975 A2 GB20 40 Monitoring the Unit Test Status The Test Status messages in the following table appear in the right column of the System and Test Status screen Table 4 3 Test Status Messages Test Status Message Meaning No Test Active No tests are currently 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 test is active on Port 1 DCLB Test Active Pt 1 A Data Channel Loopback test is active on Port 1 511 Test Active Pt 1 A 511 Test and Monitor is active on the DSL Port 1 network interface Lamp Test Active The Lamp Test is active causing the LED
17. Testing Device Tests The Device Tests branch is used to access the only card level test the Lamp Test To access the Device Tests screen follow this menu selection sequence Main Menu Test Device Tests Hotwire Model 7975 main test card DEVICE TESTS Command Status Lamp Test Start Inactive Ctrl a to access these functions ESC for previous menu MainMenu Lamp Test The Lamp test determines whether all LEDs are lighting and functioning properly B gt Procedure To test the LEDs 1 Position the cursor at the Start command next to Lamp Test on the Card Tests screen 2 Press Enter The Start command is changed to Stop During the Lamp test all LEDs blink simultaneously every second When you stop the Lamp test the LEDs are restored to their normal condition 3 To stop the lamp test position the cursor at the Stop command 4 Press Enter 7975 A2 GB20 40 December 1998 5 11 Testing Ending an Active Test 5 12 Except for the Remote Send Line Loopback and Remote DCLB a test initiated by the user can be ended by the user Tests can also be terminated automatically by enabling the Test Timeout option from the System Options Menu A Test Timeout option is available to automatically terminate a user initiated Loopback or Pattern test as opposed to manually terminating a test after it has been running a specified period of time The default is 10 minutes Refer to Table A 3 System Options T
18. resetting the access unit COM port the unit default configuration options 7 5 restoring user interface access RS 449 interface S Save Configuration screen saving option changes screen function keys screens for user interface 2 1 2 6 SDSL Mode security Selectable Payload Rates self test results Send and Monitor 511 Send Ones configuration option Send Remote DCLB Loopback 5 10 size of unit SNMP trap options 6 2 traps December 1998 IN 3 Index SNMP Management Configuration A 16 SNMP management general limiting access 7 4 SNMP NMS Security Options SNMP Trap Options NMS n IP Address start up ATI status test messages subnet IP addresses Switchpack definitions 3 8 Switchpack locations Switchpack S1 Definitions 3 8 Switchpack S2 Definitions 3 10 SYNC Data Port Tests Sync Port LEDs SYNC Ports Options SYNC Pt Down status message SYNC Pt Failed self test result system LEDs System Options T Telnet session access level enable disable inactivity timeout login required telnet session access telnet session options terminal communication parameters 3 3 connecting terminal port direct connection test aborting 5 12 Data Channel Loopback 5 9 Data Terminal Loopback 5 8 LED Line Loopback Network Initiated DCLB Port DTE Initiated Loopbacks Remote Send Line Loopback 5 5 Repeater Loopback Send and Monitor 5
19. 4 to set the DSL Line Rate Defaults are shown in bold Table 3 4 DSL Line Rate Switches 3 5 on Switchpack S2 Switch Position 5 4 3 DSL Line Rate OFF OFF ON 144 kbps OFF ON OFF 272 kbps OFF ON JON 400 kbps ON OFF OFF 528 kbps ON OFF ON 784 kbps ON ON OFF 1040 kbps ON JON ON 1552 kbps 2 Mbps unit only OFF OFF OFF 2064 kbps 2 Mbps unit only NOTE The 1 Mbps unit DSL line rate is defaulted to 1040 kbps all OFF December 1998 7975 A2 GB20 40 Initial Startup and Configuration Accessing and Displaying Configuration Options To display configuration options you must first load a configuration into the edit area To load a configuration option set into the configuration edit area follow this menu selection sequence Main Menu Configuration Load Configuration From main configuration Hotwire Model 7975 LOAD CONFIGURATION FROM Current 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 pressing Enter If you select Then Current Configuration The selected configuration option set is loaded and the Configuration Edit Display menu screen appears Default Factory Configuration The selected configuration option set is loaded and the Configuration Edit Dis
20. D data channel loopback DCLB 5 9 A 6 data port loopbacks DTE initiated data port tests 5 7 data terminal loopback DTLB dc power option default configuration area delete Login ID device messages 6 3 6 4 dimensions D 1 Disconnect Time for Telnet session documents related DOS TFTP server on download code Download Failed status message DSL Line Rate 3 10 Fixed Rate DSL Port LEDs DSLAM defined DTE port tests DTE initiated loopbacks E EER Excessive Error Rate status message effective access level EIA 530A Port Interface Connector EIA 530A to V 35 Cable Interface ElasticStore ending an ATI session enterprise SNMP traps environment requirements error messages line 24 ET error statistics ESD precautions Excessive Error Rate EER Threshold F factory default configuration options resetting factory defaults 3 5 Failure self test result feature numbers features firmware download from server IN 2 December 1998 G General SNMP Traps Options H health and status messages I identity inactivity timeout for Telnet session A 9 A 12 Initial Startup and Configuration intended audience Internal Switches Manual configuration Internal Switches 3 6 invert transmit clock IP address DSL peer SNMP manager IP addresses 8 1 IP addressing example 8 2 K keyboard functions 2 6 L la
21. 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 port to the DTE attached to this port This loopback is controlled 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 this port ElasticStore Possible Settings Disable Enable Default Setting Enable Used to enable or disable a first in first out FIFO buffer circuit for the incoming external clock This circuit is used to compensate for the differences between the frequencies of the data clocks for the two units in the circuit This option only applies if the unit is set for external timing Disable Disables the Elastic Store FIFO Enable Enables the Elastic Store FIFO December 1998 7975 A2 GB20 40 Configuration Option Tables System Options Menu For System Options refer to Table A 3 To access the System Options screen follow this menu selection sequence Main Menu gt Configuration Load Configuration From System Table A 3 System
22. 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 December 1998 GL 3 Glossary Telnet TFTP TXD UNIX V 35 WAN 511 GL 4 Virtual terminal protocol in the Internet suite of protocols Allows the user of one host computer to log into a remote host computer and interact as a normal terminal user for that host Trivial File Transfer application A standard TCP IP protocol that allows simple file transfer to and 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 Conversely the modem uses Pin 2 to receive data from the DTE An operating system developed at AT amp T Bell Laboratories and since used as the basis of similar operating systems An ITU T standard for a high speed 34 position DCE DTE interface Wide Area Network A network that spans a large geographic area A random bit test 511 bytes in length December 1998 7975 A2 GB20 40 Index A Abort All Tests ac transformer connecting access SNMP to async terminal interface 2 3 access level effective 7 1 functions available for access to user interface resetting restoring Action on Network LOS Alarm administer on l Alar
23. Mbps units 144 272 400 528 784 1040 1552 2064 64 192 320 448 576 832 1088 1600 128 256 384 512 640 896 1152 1664 1 704 960 1216 1728 768 1024 1280 1792 4 1344 1856 R 1408 1920 t 1472 1984 1536 2048 Configuration Loader The Configuration Loader screen allows you to upload 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 config config loader Hotwire Model 7975 CONFIGURATION LOADER Image File Name TFTP Server IP Address 000 000 000 000 TFTP Transfer Direction Download from Server Destination DSL Start Transfer Yes Packets Sent 0000000 Packets Received 0000000 Bytes Sent 0000000 Bytes Received 0000000 Transfer Status Transfer Pending Activate new configuration No Ctrl a to access these functions ESC for previous menu MainMenu Exit 3 14 December 1998 7975 A2 GB20 40 Initial Startup and Configuration B gt Procedure To upload or download a configuration 1 Position the cursor in the Image File Name field Type the name of the file to be downloaded or the name to be used for the file to be uploaded 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 DOS machine I
24. Number 24 Vdc 5 24 Vdc Return 4 Chassis Ground 3 Optional Power 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 6 shows the wire colors Black Red Green X X White Earth Ground RTN Orange 24 Vdc Blue Figure C 6 X 98 14158 01 DC Power Cable Feature Number 7900 F1 506 December 1998 7975 A2 GB20 40 Technical Specifications Specifications Criteria Size Width 7 25 inches 18 4 cm Height 1 5 inches 3 8 cm Length 9 4 inch 24 9 cm Weight Approximately 1 25 Ibs 0 6 kg Approvals Safety Certifications Refer to the equipment s label for approvals on product Power The 7975 Termination Unit contains a DC to DC converter that requires 24V power input The 24V power is distributed through a universal power supply supplied with the unit Maximum Power Dissipation 6 watts Cables and Cable Guide Feature Number Description 7900 F 1 503 EIA 530A to V 35 Interface Cable 7900 F 1 504 EIA 530A to X 21 Interface Cable 7900 F 1 505 EIA 530A to RS 449 Interface Cable 7900 F 1 506 Optional Power Cable 7900 F 1 507 COM Port Interface Cable 7900 F 1 514 DSL Network In
25. Performance Display Test Status Identity Statistics Network Network Error Performance Statistics Statistics LEDs Network Tests SYNC Data Device Abort PortTests Tests All Tests Change Identity Administer Logins Download Code Reset AutoR ate Apply Reset Download Device Factory Configuration Current PUN a Edit Display Network December 1998 and Communication SNMP Communication Config Loader Sync System Communication Management Port Options Port Telnet Session Traps Protocol Option 98 15859 7975 A2 GB20 40 Using the Asynchronous Terminal Interface Screen Work Areas There are two user work areas m Screen area This is the area above the dotted line that provides the menu path menus and input fields The menu path appears as the first line on the screen In this manual the menu path is presented as a menu selection sequence with the names of the screens Main Menu Configuration Load Configuration From Network Interface Options m 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 Menu Path Hotwire Model 7975 NETWORK INTERFACE OPTIONS Margin Threshold Excessive Error Rate Threshold AutoRate Input Peer IP Address Fields Circuit Identifier Screen Ctrl a to access these functions ESC for
26. be able to synchronize 5 4 December 1998 7975 A2 GB20 40 Testing Send Remote Line Loopback 7975 A2 GB20 40 The LTU initiates the test by sending a line loopback up or down command to the remote unit for 10 seconds When the remote unit detects the loopback up command it puts itself in line loopback and lights the front panel test LED The remote unit remains in loopback until it receives a loopback down command The send line loopback tests both units External equipment can be used to verify the link Local Remote NTU LTU NTU LTU Port Framer Framer Port All 1s EIA 530 Interface Interface Port 98 15939 01 p 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 Tests screen 2 Press the spacebar to select either Up or Down 3 Position the cursor at the Send command next to Up or Down selection 4 Press Enter The loopback stops automatically after 10 seconds You cannot stop the test manually The Send Remote Line Loopback cannot be started when any other loopback or a Send and Monitor 511 test is active on the network interface December 1998 5 5 Testing Send and Monitor 511 The LTU initiates the test by lighting the Test LED sending a command to the remote unit to send a 511 test pattern When the remote unit detects the command it sends a 511 pattern and lights the front panel test LED Each unit will
27. danene reich Ruben a 7 4 Assigning SNMP Community Names and Access Types 7 4 Limiting SNMP Access through the IP Addresses of the Managers 7 5 m Resetting the Termination Units COM Port or Factory Defaults 7 5 8 IP Addressing m Selecting an IP Addressing Scheme 0020e eee eee 8 1 a IP Addressing Example sso oebbeeertreescteerebRbeRerSe PER RRRRPERRR 8 2 7975 A2 GB20 40 December 1998 iii Contents A Configuration Option Tables Gs Mec pI rr A 1 Network Interface Options Menu 0 2c cece eee ees A 2 Synchronous Data Port Options Menu 00 00ers A 4 System Opuons MENG cscs etn VRPEETERPCUER S VE OC CER CU REIS UU A 7 Communication POM seite Dee re ppm et nelle Eaedem ebd d A 8 Management and Communication Options Menu A 11 Telnet Sessions Options sacas xaessa arca aex RR ark REX rx Ea A 11 Gommu nicati rn Protocol ODplIOnS ic iiu sare tbb ose rti etii A 12 SNMP TEtapS ODIIOlS 412 hhbLOTRPPRRRRURBERPTPERRepaR PESO A 14 Power Input Connector acccisciniagpadeiindate sd RR E RE P RR YS C 12 General SNMP Management Options ssuuesssses A 16 SNMP NMS Security Options 00 0c cee eee A 17 B Standards Compliance for SNMP Traps E SNMP Traps cs2scicnsieagsdiwieiaedetewioived sianketaededaadad B 1 Wal Slant acd ida d a b i bodie eda bods REIN Pia Oe bro drca B 1 authehited o nF alles as aedis a duratione dotibu
28. is set to 8 Stop Bits is set to 1 Parity is set to None Reload Factory Defaults Yes or 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 the unit returns to the condition or operation it was in when the system reset was initiated with the COM port rate returning to its configured rate The termination unit resets itself going through a Self Test Connectivity is restored and the Main Menu screen appears 7 6 December 1998 7975 A2 GB20 40 IP Addressing Selecting an IP Addressing Scheme The NTU s network interface IP address is assigned through the peer IP address of the LTU s Network Interface menu The NTU obtains the LTU s IP address and subnet mask when the PPP link is established over the EOC The LTU IP address and subnet mask are configured from the Communication Protocol Options menu The 7975 Standalone Termination Unit is assigned an IP address and subnet through the Peer IP address of the M SDSL Network interface menu Once the address is assigned you can use the 7975 Standalone Termination Unit s ATI to assign m An IP address for each NMS For SNMP IP Options see Table A 7 SNMP Traps Options Table A 8 General SNMP Management Options and Table A 9 SNMP NMS Security Options in Appendix A Configuration Option Tables m An IP address f
29. previous menu MainMenu Exit Function Save Keys Select 1E 4 1E 5 1E 6 1E 7 LOS at Net Pt n Field Value System Choices Messages 7975 A2 GB20 40 December 1998 2 5 Using the Asynchronous Terminal Interface Navigating the Screens You can navigate the screens by m Using keyboard keys m Using screen function keys m Switching between the two screen work areas Keyboard Keys Use the following keyboard keys to navigate within the screen Press To Ctrl a Move cursor between the screen area and the screen function keys area below the dotted line at the bottom of the screen Esc Return to the previous screen Tab Move cursor to the next field on the screen Backspace Move cursor to the previous field on the screen 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 column on the same screen Down Arrow or Ctrl d Move cursor down one field within a column on the same screen Right Arrow or Ctrl f Move cursor one character to the right if in edit mode Left Arrow or Ctrl b Move cursor one character to the left if in edit mode Ctrl l Redraw the screen display
30. sending of numerous traps when multiple changes are made in a short period of time as is typically the case when changing configuration options Configuration has been changed via the ATI enterpriseFallback AutoRate 13 enterpriseFallback AutoRateclear 113 enterprise TestStop 105 All tests have been halted All tests have been halted on an interface There are no variable bindings for enterpriseDeviceFail and enterpriseConfigChange The variable binding for enterpriseSelfTestFail is devSelfTestResults December 1998 B 3 Standards Compliance for SNMP Traps The tests that affect the enterpriseTestStart enterpriseTestStop and the variable bindings are different for each particular interface Diagnostic tests are only supported on the physical E1 network and user data port interfaces The specific tests and variable bindings are described in the following table Interface enterpriseTestStart Stop Variable Bindings Possible Cause DSL Network m m m iflndex RFC 1573 ifAdminStatus RFC 1573 ifOperStatus RFC 1573 ifType RFC 1573 ifTestType RFC 1573 The following objects control tests in SNMP managed devices noTest Stops the test in progress testLoopLLB Initiates a Local Loopback testLoopRLB Initiates a Remote Loopback testSendMon511 Initiates a Send and Monitor 511 test testSendLLBUp Initiates an LLB Up
31. test ends and message clears Cancel all tests from the Test screen Stop the test from the same screen the test was started from 0 0 0 0 is an invalid IP address An IP address of all zeroes was entered Enter a valid non zero IP address December 1998 7975 A2 GB20 40 7975 A2 GB20 40 Troubleshooting Messages and Troubleshooting This 7975 Standalone Termination Unit is designed to provide you with many years of trouble free service If a problem occurs however refer to Table 6 2 for possible solutions Table 6 2 Troubleshooting 1 of 2 Symptom Possible Cause Solutions Alarm LED is on One of several alarm conditions exists Health and Status displays the alarm condition Refer to Table 4 1 Health and Status Messages for recommended action Cannot access the unit via the ATI The terminal is not set up for the correct rate or data format or the unit is configured so it prevents access Check the cable and connections Ensure the unit is configured properly Verify it s IP address and communication port usage Reset the unit Device Fail appears on the System and Test Status screen under Self Test results The unit detects an internal hardware failure Reset the unit Contact your service representative No power or the LEDs are not lit The power cord is not securely plugged into the wall receptacle and
32. to an internet host Kilobits per second One kilobit is usually taken to be 1 024 bits Local Area Network A privately owned and administered data communications network limited to a small geographic area December 1998 7975 A2 GB20 40 LED LLB loopback LOS LTU Mbps MCC MIB MIB II M SDSL MTSO NMS NTU OOF reset RLB router RTS RXD SDSL SES SNMP TCP IP 7975 A2 GB20 40 Glossary Light Emitting Diode A light or status indicator that glows in response to the presence of a certain condition e g an alarm Line Loopback A test in which the received signal 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 T1 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 customer premises end Megabits per second One megabit is 1 048 576 1024 bits Management Communications Controller The DSLAM circuit card used to configure and monitor the DSLAM Management Information Base A database of managed objects used by SNMP to provide network management information and device control MIB Release 2 The current Internet standard MIB defined by RFC 1213 Multirate SDSL Mobile Telephone
33. 11 5 6 status messages SYNC Data Port terminating Test Duration Test Timeout IN 4 Test menu testing timeout Com port session inactivity Telnet session inactivity transmit clock inversion transmit clock source traps SNMP troubleshooting 6 5 error statistics performance statistics U UNIX TFTP server on user interface async terminal how to access resetting restoring access 7 5 V V 35 interface C 11 V 54 Loop 3 See data terminal loopback DTLB virtual function keys W warmStart weight of unit D 1 December 1998 7975 A2 GB20 40
34. 600 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 NTU when AutoRate is disabled 64 to 2048 Sets the payload rate in kbps when AutoRate is disabled unit is configured as fixed rate Transmit Clock Source Possible Settings Internal External Default Setting Internal Specifies whether the transmitted data for the synchronous data port is clocked using an internal clock provided by the LTU synchronized to the clock source specified by the clock source configuration option or an external clock provided by the DTE connected to the synchronous data port If an external clock is used it must be synchronized to the same clock source as the LTU Internal Indicates the clock is provided internally by the 7975 Termination Unit on the TXC interchange circuit DB CCITT 114 External Indicates the clock is provided externally by the DTE on the XTXC interchange circuit DA CCITT 113 Use this selection if the clock source is set to the data port A 4 December 1998 7975 A2 GB20 40 Configuration Option Tables Table A 2 Synchronous Data Port Options 2 of 3 Invert Transmit Clock Possible Settings Dis
35. 7975 Features The Hotwire 7975 M SDSL Standalone Termination Unit is an endpoint for the chassis mounted Hotwire 8775 M SDSL Termination Unit housed in the Hotwire 8600 or 8800 Digital Subscriber Line Access Multiplexer DSLAM Two Hotwire 7975 M SDSL Standalone Termination Units can also be configured to operate in a central office CO to customer premises CP environment The 7975 Standalone Termination Unit offers these standard features m AutoRate Capability Provides automatic configuration of line speed and data rate upon connection m Embedded Operations Channel EOC Provides remote SNMP Traps or Telnet session capability over the M SDSL network m Asynchronous Terminal Interface ATI Provides a menu driven VT100 compatible terminal interface for configuring and managing the termination unit locally or remotely by Telnet session Local Management Provides local management using a Terminal or PC via the COM port of the unit NMS connection through the 10BaseT port m Remote Management Provides remote management using Terminal or PC via the Management Serial port of the DSLAM Network Management System NMS via the COM port or MCC port of the DSLAM Telnet over the EOC External modem out of band Using SNMP or Telnet through the 10BaseT port or the Internal Management Channel IMC m Alarm Indication Provides front panel status LEDs m Diagnostic Testing Provides the capability to
36. Communication Port Options menu is set to Net Link DSL The unit s DSL port is the default network destination Communication Port IP Address Possible Settings 000 000 000 000 223 255 255 255 Default Setting 000 000 000 000 Specifies the units Communication Port IP Address when the unit is configured as a network communication link This option is only used 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 000 000 000 000 223 255 255 255 Enter an address for the Communication Port 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 Communication Port Subnet Mask Possible Settings 000 000 000 000 255 255 255 255 Default Setting 000 000 000 000 Specifies the units Communication Port Subnet Mask when the unit is configured as a network communication link This option is only used 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 will be used 000 000 000 000 255 255 255 255 Enter an address for the Communication Port Subnet Mask Communication Port Link Protocol Possible Settings PPP SLIP Default Setting PPP Specifies the units Communicat
37. Communication Protocol Options Igne Table A 6 SNMP Traps Options Table A 7 General SNMP Management Options Table A 8 SNMP NMS Security Options Table A 9 3 12 December 1998 7975 A2 GB20 40 Initial Startup and Configuration Configuring AutoRate The M SDSL AutoRate function is controlled from the Network Interface Options screen and allows you to enable or disable AutoRate from a unit configured as an LTU To access the Network Interface screen follow this menu selection sequence Main Menu Configuration gt Network main config network Hotwire Model 7975 NETWORK INTERFACE OPTIONS Margin Threshold Excessive Error Rate Threshold AutoRate DSL Line Rate Circuit Identifier Ctrl a to access these functions ESC for previous menu MainMenu Exit Save B gt Procedure The AutoRate option is defaulted to Enable To disable AutoRate 1 Position the cursor in the AutoRate field and press the spacebar The AutoRate field toggles to Disable and the DSL Line Rate field displays 2 Enter a DSL Line Rate and press Enter Your payload rate is set to a default value determined by your LTU DSL Line Rate Use Table 3 5 Fixed Rate Payload Rates and DSL Line Rates to set your DSL Line Rate and Payload Rate 7975 A2 GB20 40 December 1998 3 13 Initial Startup and Configuration Table3 5 Fixed Rate Payload Rates and DSL Line Rates DSL Line Rate kbps 2
38. Field Enter or edit a community name Clear Clears the community name field Name 2 Access Possible Settings Read Read Write Default Setting Read Determines the access level for Community Name 2 Read Allows read only access get for Community Name 2 Read Write Allows read write access get set for Community Name 2 December 1998 7975 A2 GB20 40 Configuration Option Tables SNMP NMS Security Options 7975 A2 GB20 40 SNMP configuration options allow you to specify the information necessary to support the Termination Unit SNMP NMS Security To access the SNMP NMS Security Options screen follow this menu selection sequence Main Menu gt Configuration Load Configuration From Edit gt Management and Communication SNMP Security Table A 9 SNMP NMS Security Options NMS IP Validation Possible Settings Enable Disable Default Setting Disable Specifies whether security checking is performed on the IP address of SNMP management systems attempting to access the node Enable Security checking is performed on the IP address of SNMP management Systems attempting to access the node Disable No security checking is performed Number of Managers Possible Settings 1 2 3 4 5 Default Setting 1 Specifies the number of SNMP management systems that can send SNMP messages 1 to 5 Number of trap managers An NMS IP address is required for e
39. N OFF ON ON 784 kbps 640 kbps 10 x 64 OFF ON OFF ON OFF 784 kbps 576 kbps 9 x 64 OFF ON OFF OFF ON 784 kbps 512 kbps 8 x 64 OFF ON OFF OFF OFF 528 kbps 448 kbps 7 x 64 OFF OFF ON OON JON 528 kbps 384 kbps 6 x 64 OFF OFF ON JON OFF 400 kbps 320 kbps 5 x 64 OFF OFF ON OFF ON 400 kbps 256 kbps 4 x 64 OFF OFF ON OFF OFF 272 kbps 192 kbps 3 x 64 OFF OFF OFF ON JON 272 kbps 128 kbps 2 x 64 OFF OFF OFF ON OFF 144 kbps 64 kbps 1 x 64 OFF OFF OFF OFF ON 144 kbps NOTE The 1 Mbps unit Payload Rate is defaulted to 1024 kbps all OFF December 1998 3 9 Initial Startup and Configuration 3 10 Table 3 3 lists Switchpack S2 definitions Table3 3 Switchpack S2 Definitions Switch 4 Allows you to Default in Bold 1 Control whether the unit is an LTU or an NTU OFF NTU ON LTU 2 Control enabling and disabling of the AutoRate capability OFF AutoRate Enabled ON AutoRate Disabled 3 4 5 Select one of eight preset DSL line rates refer to Table 3 4 All OFF 2064 1040 for 1 Mbps units 6 7 Not used 8 Emergency Use Only The 7975 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 independent from the position of Switch 1 on Switchpack S1 switchpack enable disable OFF Current Firmware ON Previous Firmware Use Table 3
40. Net Pt 1 An LOS Loss Of Signal condition has been detected on the network interface No signal is being received on Port 1 possibly due to a local network problem Verify that the network cable is Contact network provider securely attached at both ends OOF at Net Pt 1 Three consecutive frame synchronization bits were in error 2 Check the Transmit Clock Source configuration options Do not set both the local and remote unit to Internal External or Loop timing Contact network 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 currently configured Contact network provider SYNC Pt Down Pt 1 The interchange circuits for Port 1 are configured to monitor DTR and or RTS and a monitored lead is not asserted Verify that the DTE is providing the monitored signals Net Margin Threshold Pt 1 The signal to noise margin has exceeded the configured threshold for Port 1 Contact network provider Fallback Rate Pt 1 The LTU set to AutoRate enable had a LOS when the line was restored and resynched at a lower rate Reset the Termination Unit if the units do not automatically train up at the previous rate DeviceFailed Yyyyyyyy An internal error has been detected by the operating software yyyyyyyy indic
41. Options DSL Mode Possible Settings LTU NTU Default Setting NTU Controls whether the unit is configured as a control unit or tributary unit LTU The unit is configured as a control unit Line Termination Unit NTU The unit is configured as a tributary unit Network Termination Unit This unit will request its IP address from the LTU during establishment of the PPP link NOTE Changing this option will 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 so that control can be regained after a test is accidentally executed Enable User initiated loopback and pattern tests end when test duration is reached Disable Tests can be terminated manually from the Network Tests screen Refer to Running Network Tests in Chapter 5 Testing NOTE Tests commanded by the DTE or network initiated tests are not affected by this test timeout Test Duration min Possible Settings 1 120 Default Setting 10 Number of minutes for a test to be active before automatically ending The Test Duration min option appears when Test Timeout is enabled 1 to 120 Amount of time in minutes for a user initiated test to run before terminating 7975 A2 GB20 40 December 1998 A 7 Configuration Option Tables Communication Port For Communi
42. SL Mode and Telnet Session are not changed when a new configuration is loaded You must change these settings with the appropriate configuration menus after the new configuration is activated See Table A 3 System Options and Table A 5 Telnet Sessions Options in Appendix A Configuration Option Tables 7975 A2 GB20 40 December 1998 3 15 Initial Startup and Configuration Saving Configuration Options When changes are made to the configuration options through the Configuration Edit Display branch the changes must be saved to take effect Use the Save key or Save Configuration screen B gt Procedure To save configuration options changes 1 Press Ctrl a to switch to the screen function key area below the dotted line 2 Select Save and press Enter NOTE When Exit is selected before Save or Save has been selected from any menu in the Configuration Edit branch a Save Configuration screen appears requiring a Yes or No response main config saveprompt Hotwire Model 7975 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 functions ESC for previous menu MainMenu Exit Command Complete If the Telnet Session configuration option is changed a message displays on the Save Configuration screen warning that an answer of Yes will cause the Telnet session to disconnect Do not answer Yes unless you are prepared to discon
43. SL Network DSL link is not established Synchronous Data Port Port is disabled or CTS or DSR is OFF testing 3 A test is active on the interface ifOperStatus RFC 1573 This object contains the same value as ifAdminStatus ifType RFC 1573 This object is the type of interface propPointToPointSerial 22 Used for the synchronous data port and EOC sdsl 96 Used for the SDSL network interface December 1998 7975 A2 GB20 40 Enterprise Specific Traps 7975 A2 GB20 40 Standards Compliance for SNMP Traps The enterpriseSpecific trap indicates that an enterprise specific event has occurred The Specific trap field identifies the particular trap that occurred The following table lists the enterprise specific traps supported by the unit SNMP Trap Description Possible Cause enterpriseSelfTestFail 2 A hardware failure of the unit is detected during the unit s self test The trap is generated after the unit completes initialization Failure of one or more of the unit s hardware components enterpriseDeviceFail 3 An internal device failure Operating software has detected an internal device failure enterpriseTestStart 5 A test is running At least one test has been started on an interface enterpriseConfigChange 6 The configuration changed via the user interface The trap is sent after 60 seconds have elapsed without another change This suppresses the
44. Switching Office A generic name for the main cellular switching center which supports multiple base stations Network Management System A computer system used for monitoring and controlling network devices Network Termination 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 that occurs at power up or in response to a reset command Repeater LoopBack Loops the signal being sent to the network back to the DTE Drop Insert and data ports after it has passed through the framing circuitry of the device A device that connects LANs by dynamically routing data according to destination and available routes Request to Send A signal from the DTE to the device indicating that the DTE has data to send V 24 circuit 105 Received Data Pin 3 of the EIA 232 interface that is used by the DTE to receive data from the modem Conversely the modem uses Pin 3 to transmit data to the DTE Symmetrical Digital Subscriber Line A technique for the use of an existing twisted pair line that permits high bandwidth bidirectional transmission Severely Errored Seconds Usually defined as a second during which a specific number of CRC errors was exceeded or an OOF or other critical error occurred Simple Network Management Protocol Protocol for open networking management Transmission Control Protocol
45. TD A TD B TD B RD A RD A RD B RD B TXC A TXC A TXC B TXC B RXC A RXC A RXC B RXC B RTS RTS CTS CTS RLSD RLSD DSR DSR SIG COMMON SIG COMMON TT A TT A TT B TT B DTR DTR RL RL LL LL TM TM SIG COMMON ZrTZTISCummuooxeos c 4dn200 497 15233 Figure C 5 EIA 530A to V 35 Cable Pinouts Feature Number 7900 F1 503 C 10 December 1998 7975 A2 GB20 40 7975 A2 GB20 40 Table C 5 V 35 Cable Interface Cables and Pin Assignments CCITT Signal Number Direction Pin Shield E A Signal Common 102 B Transmitted Data 103 To DSU CSU P A S B Received Data 104 From DSU CSU R A T B Request to Send 105 To DSU CSU C Clear to Send 106 From DSU CSU D Data Channel Received Line Signal 109 From DSU CSU F Detector Data Set Ready 107 From DSU CSU E Data Terminal Ready 108 1 2 To DSU CSU H Transmit Signal Element Timing 113 To DSU CSU U A DTE Source W B Transmit Signal Element Timing 114 From DSU CSU Y A DCE Source AA B Receiver Signal Element Timing 115 From DSU CSU V A DCE Source X B Local Loopback 141 To DSU CSU L Loopback Maintenance 140 To DSU CSU N Test Indicator 142 From DSU CSU NN December 1998 Cables and Pin Assignments Power Input Connector The required input power connector leads are shown in Table C 6 Table C 6 DC Power Connector Signal Pin
46. The Telnet Sessions Options Table A 5 control whether a Telnet session is allowed through an interconnected 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 Sessions Options screen follow this menu selection sequence Main Menu Configuration Load Configuration From gt Management and Communication Telnet Session Table A 5 Telnet Sessions Options 1 of 2 Telnet Session Possible Settings Enable Disable Default Setting Disable Specifies if the 7975 Termination Unit will respond to a Telnet session request from a Telnet client on an interconnected IP network Enable Allows Telnet sessions between the unit and a Telnet client Disable No Telnet sessions allowed Telnet Login Required Possible Settings Enable Disable Default Setting Disable Used to secure access to the ATI through a Telnet session Login IDs are created with a password and access level Refer to Creating a Login in Chapter 7 Security Enable Security is enabled When access is attempted via Telnet the user is prompted for a Login ID and password Disable No Login required for a Telnet session December 1998 A 11 Configuration Option Tables Table A 5 Telnet Sessions Options 2 of 2
47. able Enable Default Setting Disable Specifies whether the clock supplied by the 7975 Termination Unit on the TXC interchange circuit DB CCITT 114 is phase inverted with respect to the Transmitted Data interchange circuit BA CCITT 103 This configuration option is useful when long cable lengths between the 7975 Termination Unit and the DTE are causing data errors Disable Indicates TXC supplied by the 7975 Termination Unit on this port is not phase inverted Enable Indicates TXC supplied by the 7975 Termination Unit on this port is phase inverted Send All Ones on Data Port Not Ready Possible Settings Both Disable DTR RTS Default Setting Both Specifies the conditions on the data port that determine when valid data is not being sent from the DTE When this condition is detected all ones are sent to the network Both Monitors both DTR and RTS If either is interrupted all ones are sent to the network Disable Disables the monitoring of interchange circuits from the DTE connected to the synchronous data port DTR Monitors the DTE Reagy 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 taken on the synch
48. ach SNMP trap manager 000 000 000 000 223 255 255 255 Enter an address for each SNMP trap manager 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 Clear Clears the IP address and sets to all zeros NMS n Destination Possible Settings DSL COM Default Setting DSL Provides the network destination path of each trap manager DSL The DSL port is the network destination path COM The COM port is the network destination path General Traps Possible Settings Disable Warm AuthFail Both Default Setting Both Determines which SNMP traps are sent to each trap manager Disable No general trap messages are sent Warm Sends trap message for warmStart events AuthFail Sends trap message for authenticationFailure events Both Sends both trap messages NOTE Refer to Appendix B Standards Compliance for SNMP Traps A 14 December 1998 7975 A2 GB20 40 Configuration Option Tables 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
49. ach manager NMS n IP Address Possible 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 manager 000 000 000 000 223 255 255 255 Enter an address for each SNMP manager 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 Clear Clears the IP address and sets to all zeros Access Level Possible Settings Read Read Write Default Setting Read Determines the access level allowed for an authorized NMS when IP address validation is being performed Read Allows read only access get to the accessible objects in the MIB for this device Read Write Allows read write access get set to the accessible objects in the MIB for this device December 1998 A 17 Configuration Option Tables December 1998 7975 A2 GB20 40 Standards Compliance for SNMP Traps SNMP Traps This section describes the unit s compliance with SNMP standards and any special operational features for the SNMP traps supported The unit supports the following traps m warmStart m authenticationFailure m linkUp m linkDown warmStart SNMP Trap Description Possible Cause warmStart The unit has reinitialized Reset command itself Power disruption The trap is sent after the unit resets and stabilizes There are no variable b
50. 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 5 Telnet Sessions 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 7 Security Communication Port Settings Ensure that the device you connect communicates using these settings m Data rate set to 9 6 kbps m Character length set to 8 m Parity set to None m Stop Bits set to 1 7975 A2 GB20 40 December 1998 2 1 Using the Asynchronous Terminal Interface Initiating an ATI Session The Main Menu screen is displayed on the screen unless a login ID and password is required or the ATI is already in use If security is enabled on the 7975 Standalone Termination 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 Hotwire Model 7975 Login ID Enter Password Ctrl a to access these functions After you enter a valid login ID and password the Main Menu appears If you enter an invalid login ID and password after three attempts the Telnet session closes or the terminal connection returns to an idle state Refer to Chapter 7 Security If the ATI is already in use you will see a connection refused or connection failed message if you are using a Telnet session or
51. al methods of security by limiting user access to the ATI through option settings You can m Enable the Telnet Login Required option m Limit the access by setting a Session Access Level option of Operator for the Telnet Session m Disable the access with the Telnet Session option See Table A 5 Telnet Sessions Options in Appendix A Configuration Option Tables ATI Access Levels 7975 A2 GB20 40 The 7975 Standalone Termination Unit has two access levels Administrator and Operator The access level determines what functions are accessible as shown in Table 7 1 Table 7 1 Access Levels ATI Access to Menu Functions Administrator Operator Status Read Only Read Only Test Full Access No Access Configuration Full Access Read Only Control Full Access No Access The effective access level is the more restrictive of the session access level or the login access level December 1998 7 1 Security Access level is also used to control access via Telnet If the Telnet Session Access Level is set to Administrator see Table A 5 Telnet Session Options a Login ID with an Operator access level is not permitted access Creating a Login Logins apply to the terminal directory connected to the communication port or Telnet access directly to the ATI of the 7975 Standalone Termination Unit Six login ID password combinations are available Each Login ID and Password must be unique and include an access level
52. al system maintenance terminal may be attached to your Hotwire 7975 Standalone Termination Unit through the modular jack 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 allows you to view the status of the unit and change configuration options Connect the 9 pin end of the terminal cable into a COM port on your PC 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 correct cable pinouts Make sure the communication parameters on your PC or terminal are set to m 9600 baud m 8 bit characters m no parity m 1 stop bit m no flow control Press Enter from your terminal or PC to activate the Main Menu for the attached unit The system runs diagnostics and status checks After a few moments the Main Menu or Logon screen appears on your terminal 7975 A2 GB20 40 December 1998 3 3 Initial Startup and Configuration Entering Identity Information After accessing your unit for the first time use the Change Identity screen to determine SNMP administrative system information that will be displayed on the Identity screen of the Status branch To access the Card Identity screen follow this menu selection sequence Main Menu Control gt Change Identity main control c
53. ate disabled Switchpack S2 2 3 8 December 1998 7975 A2 GB20 40 7975 A2 GB20 40 Initial Startup and Configuration Table 3 2 Selectable Payload Rates Switches 4 8 on Switchpack S1 Switch Number Associated DSL Line Sync Port Payload Rate 8 7 6 5 4 Rate 2048 kbps 32 x 64 OFF OFF OFF OFF OFF 2064 kbps 1984 kbps 31 x 64 ON ON lon oN JON 2064 kbps 1920 kbps 30 x 64 ON ON ON oN OFF 2064 kbps 1856 kbps 29 x 64 ON ON ON OFF ON 2064 kbps 1792 kbps 28 x 64 ON ON ON OFF OFF 2064 kbps 1728 kbps 27 x 64 ON oN OFF ON JON 2064 kbps 1664 kbps 26 x 64 ON ON OFF ON OFF 2064 kbps 1600 kbps 25 x 64 ON oN OFF OFF ON G 2064 kbps 1536 kbps 24 x 64 ON ON OFF OFF OFF 1552 kbps 1472 kbps 23 x 64 ON OFF ON ON JON 5 1552 kbps 1408 kbps 22 x 64 ON OFF ON ON OFF 1552 kbps 1344 kbps 21 x 64 ON OFF ON OFF JON a 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 OFF ON 1552 kbps 1024 kbps 16 x 64 ON OFF OFF OFF OFF 1040 kbps 960 kbps 15 x 64 OFF ON ON JON JON 1040 kbps 896 kbps 14 x 64 OFF ON ON JON OFF 1040 kbps 832 kbps 13 x 64 OFF ON JON OFF ON 1040 kbps 768 kbps 12 x 64 OFF ON ON OFF OFF 784 kbps 704 kbps 11 x 64 OFF O
54. ates the 8 digit hexadecimal failure code Provide the 8 digit failure code Reset the 7975 Standalone shown yyyyyyyy to your service representative Termination Unit to clear the condition and message Download Failed A firmware download was interrupted Repeat the download December 1998 4 3 Monitoring the Unit Table 4 1 Health and Status Messages Message What Message Indicates What To Do Net Com Link Down The Network communication link is down Communications between the management System and the LTU NTU is not possible 1 Verify that the network cable is securely attached at both ends Pt 1 Mismatch Rate The LTU in fixed rate is attempting to communicate at a faster rate than the NTU can handle If the LTU is a 2 Mbps product 1 Verify endpoint is not a 1 Mbps product 2 Upgrade remote unit to a 2 Mbps Self Test Results The results of the last power up or reset self test appear in the middle column of the System and Test Status screen Table 4 2 Self Test Results Messages Message What Message Indicates What To Do CPU Failed The CPU failed internal testing 1 Reset the unit and try again DeviceFailed One or more of the 7975 Standalone Termination Unit s integrated circuit chips has failed device level testing Call your service representative for assistance Net DSL Failed
55. cation Port Options refer to Table A 4 To access the Communication Port screen follow this menu selection sequence Main Menu gt Configuration Load Configuration From Communication Port Table A 4 Communication Port 1 of 3 Port Use Possible Settings Terminal Net Link Default Setting Terminal Specifies how the communications port is to be used Terminal The communication port will be used for an Asynchronous terminal interface Net Link The communication port will be used as the network communication link to an IP network or device Port Type Possible Settings Asynchronous Synchronous 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 port for asynchronous communication Synchronous Configures the communication port for synchronous communication NOTE Peer IP Address and Circuit Identifier are not copied Data Rate Possible Settings 9 6 14 4 19 2 28 8 38 4 Default Setting 9 6 Specifies the communication port baud rate 9 6 Communication port rate is 9600 bps 14 4 Communication port rate is 14400 bps 19 2 Communication port rate is 19200 bps 28 8 Communication port rate is 28800 bps 38 4 Communication port rate is 38400 bps Parity Possible Settings None Odd Even Default Setting
56. clearing information typed in but not yet entered B gt Procedure To make a menu or field selection 1 Press the Tab key or the right arrow key to position the cursor on a menu or field selection Each selection is highlighted as you press the key to move the cursor from position to position 2 Press Enter The selected menu or screen appears 3 Continue Steps 1 and 2 until you reach the screen you want 2 6 December 1998 7975 A2 GB20 40 Using the Asynchronous Terminal Interface The current setting or value appears to the right of the field name You can enter information into a selected field by m Typing in the first letter s of a field value or command m Switching from the screen area to the screen function area below the dotted line and selecting or entering the designated screen function key If a field is blank and the Field Values screen area displays valid selections press the spacebar and the first valid value for the field will appear Continue pressing the spacebar to scroll through other valid values Screen Function Keys 7975 A2 GB20 40 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 Forf Clear far end network statistics and refresh the screen ClrNear Norn Clear near end network statistics and refresh t
57. diagnose device and network problems and perform tests including digital loopbacks pattern tests and self test m Device and Performance Monitoring Provides the capability of tracking and evaluating the unit s operation including health and status and error rate monitoring 1 2 December 1998 7975 A2 GB20 40 About the Hotwire 7975 Standalone Termination Unit Network Configuration Figure 1 1 shows a network application using a 4 port Hotwire 8775 M SDSL Termination Unit for access concentration in a central office CO A frame relay switch and a router are connected through the termination unit to partner units supporting a host or router and frame relay encapsulated or unframed data o CO Site gt l I E1 Host Frame Relay Encapsulated Frame Relay Switch Frame Relay Encapsulated 8775 Termination Unit Customer in 8600 DSLAM Premises CP Customer CO Site Premises LTU NTU 7975 7975 V 35 V 35 98 15938 Figure 1 1 Sample M SDSL Configurations User Interface Types There are three types of user interfaces to the 7975 Standalone Termination Unit m Menu driven async terminal interface screens See Chapter 2 Using the Asynchronous Terminal Interface m Front panel LED status indicators See Chapter 4 Monitoring the Unit m Internal DIP Switches See Chapter 3 Initial Startup and Configuration 7975 A2 GB20 40 Decemb
58. e Power Input Connector Optional Power Cable December 1998 Cables and Pin Assignments DSL Network Interface Cable The DSL line interface cable is a 20 foot 24 AWG solid 2 twisted pair cable that is RJ48C to RJ48C Figure C 1 Table C 1 DSL Network Interface Connector Signal Pin Number Ring 4 Tip 5 Pin 1 97 15884 Unused Unused Ring Tip 98 15954 DSL Network Interface Cable with RJ48C Connector Feature Number 7900 F1 514 Figure C 1 C 2 December 1998 7975 A2 GB20 40 Cables and Pin Assignments COM Port Interface Cable The COM port connects to either a PC or to an ASCII terminal or printer for 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 8 POSITION MODULAR PLUG KEYED DB9 NO CONNECTION SOCKET RX DATA AX DATA c GROUND TX DATA TX DATA DTR DTR CD CD NO CONNECTION 493 14153 01 Figure C 2 COM Port to PC Cable Feature Number 7900 F1 510 7975 A2 GB20 40 December 1998 C 3 Cables and Pin Assignments C 4 Table C 2 COM Port Connector J6 Signal Direction Pin Number Reserved for future use to DTE Out 1 DCE Received Data to DTE Out 2 Signal Ground
59. e shown in Table C 3 98 15883 530 DB25 DB15 X21 SIGNAL PLUG SOCKET SIGNAL TD A TD A TD B TD B RD A RD A RD B RD B RXC A RXC A RXC B RXC B RTS A RTS A RTS B RTS B RLSD A RLSD A RLSD B RLSD B SIG COMMON SIG COMMON TT A TT A TT B TT B 495 14787 Figure C 3 EIA 530A to X 21 Cable Feature Number 7900 F 1 505 C 6 December 1998 7975 A2 GB20 40 7975 A2 GB20 40 Table C 3 X 21 Cable Interface Cables and Pin Assignments CCITT Signal Number Direction Pin Signal Common 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 109 From DSU CSU 5 A Detector 12 B Transmit Signal Element Timing 113 To DSU CSU 7 A DTE Source 14 B Receiver Signal Element Timing 115 From DSU CSU 6 A DCE Source 13 B December 1998 C 7 Cables and Pin Assignments EIA 530A to RS449 Cable Interface The EIA 530A to RS449 adapter cable Figure C 4 provides the RS449 interface shown in Table C 4 530 DB25 DB37 449 SIGNAL PLUG SOCKET SIGNAL 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 kL RCV COMMON TT A TT B TM SIG COMMON SHIELD TD A TD B RD A RD B TXC A TXC B RXC A
60. e a Login ID that has Administrator authority Cannot Save no Login IDs with Access Administrator All of the login IDs being saved have an access level below Administrator Change the access level of at least one Login ID to Administrator so 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 x A nonprintable ASCII character x has been entered Reenter information using valid characters Invalid Data Terminal Initiated Loopback Active Network initiated loopback was in progress when another selection was made No action needed Invalid Password Login is required and an incorrect password was entered access is denied Try again Contact your system administrator to verify your password Invalid Send Pattern Already Active A pattern test was already in progress when the Start field was selected Allow test to continue Select another test Stop the test Invalid Test The described test was Allow test to continue Already Active already in progress when another selection was Select another test made Stop the test Invalid Test A loopback or pattern test Wait until other test ends and Combination was in progress when Start message clears was
61. er 1998 1 3 About the Hotwire 7975 Standalone Termination Unit Front Panel LED Status Indicators Figure 1 2 shows the front panel of the 7975 Standalone Termination Unit For more information on front panel LEDs refer to Chapter 4 Monitoring the Unit tif 7975 M SDSL 98 15856 Figure 1 2 Hotwire 7975 Standalone Termination Unit Front Panel Rear Panel Interface Connections Figure 1 3 shows the physical interfaces of the 7975 Standalone Termination Unit Z POWER COM PORT mme Lt 0000000000000 Oo Or 000000000000 98 15880 Figure 1 3 Hotwire 7975 Standalone Termination Unit Rear Panel 1 4 December 1998 7975 A2 GB20 40 About the Hotwire 7975 Standalone Termination Unit SNMP Management Capabilities The termination unit supports SNMP Version 1 and can be managed by any industry standard SNMP manager and accessed using SNMP by external SNMP managers Management Information Base MIB Support For a detailed description of supported MIBs visit Paradyne s web site at http www paradyne com The following MIBs are supported MIB II RFC 1213 and RFC 1573 Defines the general objects for use with a network management protocol in TCP IP internets and provides general information about the unit MIB Il is backward compatible with MIB I m RS 232 Like MIB RFC 1659 Defines objects for managing RS 232 type interfaces e g V 35 RS 422 RS 423 etc and supports the synchronous data
62. ermines the level expressed in decibels at which a signal to noise margin 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 rate at which an excessive error rate EER condition is recognized The rate is the ratio of the number of CRC errors to the number of bits received in a certain period AutoRate Possible Settings 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 configured as an LTU Enable The LTU is set to automatically adjust at the best line rate Disable The LTU Line rate is user selectable and is based on the DSL Line Rate selected A 2 December 1998 7975 A2 GB20 40 Configuration Option Tables Table A 1 Network Interface Options 2 of 2 DSL Line Rate Possible Settings 144 272 400 528 784 1040 1552 2 Mbps unit only 2064 2 Mbps unit only Default Setting 144 Specifies the DSL line rate of the unit This option is only available when the standalone unit is configured as an LTU and AutoRate is disabled unit is in fixed rate 144 Available payload rates are 64 and 128 kbps 272 Available payload rates are 192 and 256 kbps 400
63. est Timeout does not pertain to tests initiated by the network On each test screen is a Command column To stop the test Press Enter when the cursor is on the Stop command Use the Abort All 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 test may continue to run for a few seconds as the abort command is sent to the remote end and processed December 1998 7975 A2 GB20 40 Messages and Troubleshooting Overview There are many messages available to assess the status of the device and contribute to problem resolutions Refer to the following sections m Configuring SNMP Traps m Device Messages m Troubleshooting 7975 A2 GB20 40 December 1998 6 1 Messages and Troubleshooting Configuring SNMP Traps An SNMP trap can be automatically sent out through the EOC or the Management port to an SNMP manager when the 7975 Standalone Termination Unit detects conditions set by the user These traps enable the SNMP manager to gauge the state of the network Refer to Appendix B Standards Compliance for SNMP Traps for details of SNMP traps supported by the 7975 Standalone Termination Unit To configure the 7975 Standalone Termination Unit for SNMP traps use the SNMP Traps Options screen to m Enable SNMP traps m Set the number of SNMP managers that receive SNMP tra
64. ests To abort all current tests Network initiated tests will not be affected An aborted test may continue to run for a few seconds as the abort command is sent to the remote end and processed 7975 A2 GB20 40 December 1998 5 1 Testing Running Network Tests Network tests require the participation of your network service provider To access the Network Tests screen follow this menu selection sequence Main Menu Test Network Tests main test network NETWORK TESTS Command Status Local Loopbacks Line Loopback Inactive Repeater Loopback Inactive Remote Loopbacks Send Line Loopback Down Inactive Pattern Tests Send and Monitor 511 Active Results 00 00 00 00 00 00 00 00 00 hh mm ss Ctrl a to access these functions ESC for previous menu ResetMon Hotwire Model 7975 Errors 999994 MainMenu Exit Use the Command column to start or stop a test When the Status column shows that a test is Inactive Start is displayed when a test is Active Stop is displayed Position the cursor at the desired Start or Stop command and press Enter Selecting a Stop command on the Network Tests screen or Abort All Tests from the Test menu will not disrupt a network initiated loopback The Results column displays the test duration When the Send and Monitor 511 test is active ResetMon is available to reset the error counter to zero 5 2 December 1998 7975 A2 GB20 40 Testing Line Loopback Li
65. f the TFTP server is hosted by a DOS machine then directory and file names must consist of eight or less characters with an optional suffix of up to three characters The system will automatically upload the configuration file and create directories and file names as needed UNIX machine lf your server is hosted by a UNIX machine the configuration file you name must already exist It will not be created on the UNIX system by the TFTP server It is critical that you work with your system administrator to plan the naming conventions for 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 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 the COM port 4 Position the cursor in the TFTP Transfer Direction field Use the spacebar to select Download from Server or Upload to Server 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 Position the cursor at the Activate New Configuration field and select Yes to activate a new downloaded configuration Press Enter NOTE The configuration options D
66. gs If products installed in separate buildings are interconnected the voltage potential may cause a hazardous condition Consult a qualified electrical consultant to determine whether or not this phenomenon exists and if necessary implement corrective action prior to interconnecting the products 9 In addition if the equipment is to be used with telecommunications circuits take the following precautions Never install telephone wiring during a lightning storm Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the network interface Use caution when installing or modifying telephone lines Avoid using a telephone other than a cordless type during an electrical storm There may be a remote risk of electric shock from lightning Do not use the telephone to report a gas leak in the vicinity of the leak 7975 A2 GB20 40 December 1998 B Important Information EMI Warnings A WARNING This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed a
67. hange identity Hotwire Model 7975 IDENTITY System Name 1110398 001 System Location Bldg A412 2nd Floor Left cabinet System Contact C Parker 800 727 2396 pager 888 555 1212 Ctrl a to access these functions ESC for previous menu MainMenu Exit Save The three System entry fields are alohanumeric and provide 128 characters for each field The System entries appear on the Identity display as shown above The SNMP System entry fields are m System Name The general SNMP system name m System Location The physical location of the SNMP managed device m System Contact Identification information such as contact name phone number or mailing address Valid entry values are any printable ASCII character ASCII printable characters include m Numeric 0 9 m Upper or lower case A Z m Space m All ASCII symbols except the caret Select Clear to reset a field to a null value 3 4 December 1998 7975 A2 GB20 40 Initial Startup and Configuration B gt Procedure To enter Change Identity screen information 1 Position the cursor in the System Name field Enter a name unique in your network to identify the SNMP managed node or unit The maximum length of System Name is 128 characters 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 co
68. he screen Delete Lorl Delete data Exit Eore Terminate the async terminal session MainMenu M or m Return to the Main Menu screen New Norn Enter new data PgDn Dord Display the next page or group of entries PgUp Uoru Display the previous page or group of entries ResetMon Rorr Reset an active Monitor 511 test counter to zero Save Sors Save information December 1998 2 7 Using the Asynchronous Terminal Interface Switching Between Screen Work Areas Select Ctrl a to switch between the two screen work areas to perform all screen functions B gt Procedure To access the screen function area below the dotted line 1 Press Ctrl a to switch from the screen area to the screen function key area below the dotted 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 To return to the screen area above the dotted line press Ctrl a again Hotwire Model 7975 main config network NETWORK INTERFACE OPTIONS Margin Threshold Excessive Error Rate Threshold AutoRate DSL Line rate Peer IP Address Circuit Identifier Ctrl a to access these functions ESC for previous menu MainMenu Exit Save 2 8 December 1998 7975 A2 GB20 40 Using the Asynchronous Terminal Interface Ending an ATI Session Use the Exit function key from any screen to terminate the sessi
69. ible leaving it in a state where a session cannot be started via the COM port or a Telnet session If this occurs the termination unit connectivity can be restored via a terminal directly connected to the COM port Two methods can be used to restore access to the user interface m Reset COM Port Allows you to reset the configuration options related to COM port usage This also causes a device reset where the termination unit performs a Device Self Test No security related configuration options are changed m Reload Factory Defaults Allows you to reload the Default Factory Configuration resetting all of the configuration and control settings which causes the current configuration to be destroyed and a device reset This method is also useful when the user s password s have been forgotten B gt Procedure To reset COM port settings 1 At the terminal that is directly connected to the unit s COM port 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 about 1 press per second until the System Paused screen appears 3 Tab to the desired method and enter yes or y for the selected prompt 7975 A2 GB20 40 December 1998 7 5 Security If entering yes to prompt Then Reset COM Port usage Port type is set to Terminal Data Rate kbps is set to 9 6 Character Length
70. indings authenticationFailure SNMP Trap Description Possible Cause authenticationFailure Failed attempts to access Three unsuccessful attempts the unit were made to enter a correct login Wort mbination There are no ogirvpassword co variable bindings 7975 A2 GB20 40 December 1998 B 1 Standards Compliance for SNMP Traps linkUp and linkDown B 2 The link SNMP traps are m linkUp The unit recognizes that one of the communication interfaces is operational m linkDown The unit recognizes that one of the communication interfaces is not operational The network and synchronous port interfaces physical sublayer are represented by an entry in the MIB II interfaces table and supported by the DS1 MIB The following list describes the conditions that define linkUp and linkDown linkUp Down Variable Bindings iflndex RFC 1573 This object provides the index into the ifTable and potentially into tables in other MIBs The values of iflndex are the same for all models although not all indexes are supported for each model The iflndex included with the trap consists of 1 COM Port 2 SDSL E E1 Interface Port 1 10 Synchronous Data Port Port 1 ifAdminStatus RFC 1573 This object specifies the operational state of the interface up 1 SDSL Network DSL link is established Synchronous Data Port Port is enabled and both CTS and DSR are ON down 2 SD
71. into the rear panel connection Check that the power cord is securely attached at both ends The wall receptacle has no power Check the wall receptacle power by plugging in some equipment that is known to be working Check the circuit breaker a Verify that your site is not on an energy management program Power supply has failed Replace power supply An LED is not lit LED is out Run the Lamp test If the LED in question does not flash with the other LEDs then contact your service representative December 1998 6 5 Messages and Troubleshooting 6 6 Table 6 2 Troubleshooting 2 of 2 Symptom Possible Cause Solutions Not receiving data The network or data port cables are not connected check front panel LEDs for more information m A test is being executed on the unit check the TEST LED on the front panel The far end device is off line Check network and data port cables Run Loopback tests Refer to Chapter 5 Testing Stop the test or wait for the test to end m Make sure the far end device is on Power Up Self Test fails Only Alarm LED is on after power up The unit has detected an internal hardware failure Reset the unit and try again Contact your service representative December 1998 7975 A2 GB20 40 Security Overview The 7975 Standalone Termination Unit provides sever
72. ion Port link protocol when the unit is configured as a network communication link This option is only used when the Port Use option on the Communication Port Options menu is set to Net Link PPP Defines Point to Point protocol for the link layer protocol for the network communication link SLIP Serial Line IP Protocol for the link layer protocol for the network communication link 7975 A2 GB20 40 December 1998 A 13 Configuration Option Tables SNMP Traps Options To access the SNMP Traps Options screen follow this menu selection sequence Main Menu Configuration Load Configuration From Edit gt Management and Communication SNMP Traps Table A 7 SNMP Traps Options 1 of 2 SNMP Traps Possible Settings Enable Disable Default Setting Disable Controls the generation of SNMP trap messages The options for addresses and types of traps are located in this table Enable SNMP trap messages are sent out to SNMP managers Disable No SNMP trap messages are sent out Number of Trap Managers Possible Settings 1 2 3 4 5 Default Setting 1 Sets the number of SNMP management systems that will receive SNMP traps 1 to 5 Number of trap managers An NMS IP address is required for each manager NMS n IP Address Possible Settings 000 000 000 000 223 255 255 255 Clear Default Setting 000 000 000 000 Specifies the Internet Protocol address used to identify e
73. ld 7975 A2 GB20 40 December 1998 A 3 Configuration Option Tables Synchronous Data Port Options Menu For Synchronous Data Port Options refer to Table A 2 To access the Synchronous Data Port Options screen follow this menu selection sequence Main Menu Configuration Load Configuration From SYNC Ports Table A 2 Synchronous Data Port Options 1 of 3 Port Type Possible Settings E530A V 35 RS449 X 21 Default Setting E530A Determines the port type for the data port E530A The port is configured as an EIA 530A compatible DCE An EIA 530 compatible DTE can be connected directly to the DB25 Port connector on the rear panel of the unit V 35 The port is configured as a V 35 compatible DCE A V 35 compatible DTE can be connected using an MS34 to DB25 adaptor cable to connect to the DB25 Port connector on the rear panel of the unit E530A The port is configured as an RS449 compatible DCE An RS449 compatible DTE can be connected using a DB37 to DB25 adaptor cable to connect to the DB25 Port connector on the rear panel of the unit X 21 The port is configured as an X 21 compatible DCE An X 21 compatible DTE can be connected using a DB15 to DB25 adaptor 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 1472 1536 1
74. 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 appears at the bottom of the Screen 6 If additional logins are required repeat Steps 3 through 5 7 When all logins are entered press Esc to return to the Administer Logins screen 8 Select Save and press Enter December 1998 7 3 Security Deleting a Login gt Procedure 1 To delete a login record 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 Once the correct record is displayed select Delete and press Enter 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 appears Controlling SNMP Access There are three methods for limiting SNMP access Disable the SNMP management option Refer to Table A 8 General SNMP Management Options Assign SNMP community names and access types Limit SNMP access through validation of the IP address of each allowed SNMP manager Assigning SNMP Community Names and Access Types
75. lt settings do not support your network s configuration you can customize the configuration options for your application 7975 A2 GB20 40 December 1998 3 5 Initial Startup and Configuration Configuring the Unit Using the Internal Switches Use internal Switchpacks S1 and S2 to manually configure the unit Use Figure 3 1 to locate Switchpacks S1 and S2 A HANDLING PRECAUTIONS FOR R lt 2 This product is designed to protect sensitive components from damage due to electrostatic discharge ESD during normal operation When 496 15104 performing installation procedures however take proper 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 B gt Procedure To configure the unit using internal Switchpacks S1 and S2 1 Power down the unit and remove the enclosure cover exposing the circuit board 2 Locate Switchpack S1 using Figure 3 1 3 Set switch 1 on Switchpack S1 to ON to enable Switchpacks 1 and 2 4 After you enable the switchpacks you must set the switches to your desired configuration Refer to Figure 3 1 and Table 3 1 5 Replace and secure the cover 6 Power up the board to reset and enable the new configuration 3 6 December 1998 7975 A2 GB20 40 Switchpack Locations Initial Startup and Configuration Use Figure 3 1 to locate Switchpacks S1 and S2 Switchpack S1 amp S2
76. m LED ASCII printable characters 3 4 ATI Asynchronous Terminal Interface access defined exiting initiating session virtual function keys authentificationFailure AutoRate Cables COM Port Interface Cable C 3 DSL Network Interface Cable EIA 530A to RS449 Cable Interface EIA 530A to X 21 Interface Cable Optional Power Cable cables figures part numbers pin Assignments cabling COM Port to PC cable C 3 DC Power cable DSL Network Interface Cable Card Failed self test result status message 7975 A2 GB20 40 Circuit Identifier clocking COM port resona l COM port settings Communication Port Community Name Community Name 1 Community Name 2 community names for SNMP Configurating AutoRate Configuring the unit uS configuration example General SNMP Management Options option tables SNMP Management SNMP NMS Security Options configuration changes saving Configuration Edit Display Configuration Loader Configuration menu Configuration Mode choosing an interface mode Configuration Options accessing 3 11 configuration options Communication Port A 8 SYNC Ports System Options A 7 Connecting to the Network connectors COM Port EIA 530A Port Location power input rear panel CPU Fail self test result create login ID customer configuration switchpacks internal switches December 1998 IN 1 Index
77. mand 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 4 Press Enter Data Channel Loopback cannot be started when any of the following tests is active Send and Monitor 511 Line Loopback or Repeater Loopback on the network interface or a Data Terminal Loopback on the data port 7975 A2 GB20 40 December 1998 5 9 Testing 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 Local Remote NTU LTU NTU LTU Dp Port Framer CAP Framer Port Allis EIA 530 Interface Interface Port 98 15935 B gt 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 5 10 December 1998 7975 A2 GB20 40
78. message to the remote unit testSendLL BDown Initiates an LLB Down message to the remote unit enterpriseTest Start Any one of the following tests is active on the interface Line Loopback Repeater Loopback Remote Line Loopback Send and Monitor 511 enterpriseTest Stop No tests currently running on the interface Synchronous m Data Ports iflndex RFC 1573 ifAdminStatus RFC 1573 ifOperStatus RFC 1573 ifTestType RFC 1573 The following objects control tests in SNMP 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 enterpriseTest Start Any one of the following tests is active on the port Data Terminal Loopback Data Channel Loopback Remote Data Channel Loopback enterpriseTest Stop No tests currently running on the interface B 4 December 1998 7975 A2 GB20 40 Cables and Pin Assignments Overview 7975 A2 GB20 40 The following sections provide pin assignments DSL Network Interface Cable COM Port Interface Cable EIA 530A Port Interface Connector EIA 530A to X 21 Interface Cable EIA 530A to RS 449 Interface Cable EIA 530A to V 35 Interface Cabl
79. mp test LEDs Link Up LEDs link layer protocols 8 1 linkUp and linkDown traps local line loopback LLB 5 3 Login ID access levels adding loopback effect on LEDs 4 10 LOS Loss Of Signal status message LOS alarm action 7975 A2 GB20 40 M main menu Management and Communication Options A 11 management port access settings Margin Threshold Memory Fail status messages alarm and device health and status line 24 self test results test status MIB general support support monitoring N navigating the screens 2 6 Net Margin Threshold status message network interface options tests Network DSL Failed self test result network interface pin assignments C 2 C 12 network interface me Network Initiated DCLB NMS SNMP access 7 5 SNMP connectivity no test active status message O OK LED OOF Out Of Frame status message options configuration tables overview 8775 Termination Unit user s guide 7975 A2 GB20 40 Index P part numbers Passed self test result Payload Rate A 4 PC connecting requirements Peer IP Address performance statistics 4 8 physical environment requirements pin assignments port COM Port Status power cord installation power requirements power supply ac transformer optional dc 3 243 18 R Rear Panel related documents vi remote send line loopback 5 5 repeater loopback RLB 5 4
80. nd used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense The authority to operate this equipment is conditioned by the requirements that no modifications will be made to the equipment unless the changes or modifications are expressly approved by Paradyne Corporation A WARNING To Users of Digital Apparatus in Canada This Class A digital apparatus meets all requirements of the Canadian interference causing equipment regulations Cet appareil num rique de la classe A respecte toutes les exigences du r glement sur le mat rial brouilleur du Canada C December 1998 7975 A2 GB20 40 Contents About This Guide m Document Purpose and Intended Audience llusselluuss V w Doc lnenb SUMMA ccccnctigivdacdudsgindaduwetetedabisdedguded V m Product Related Documents sonaa aranaren vi 1 About the Hotwire 7975 Standalone Termination Unit NUSDSLOVeNIBW x51 2E xu ira h ka ird Na AA 1 1 Hotwile 7975 Fealif8s 1ernrrebre eIREREORRORPEREReORRbCPERREqe 1 2 NetWork Gong atlOH xistbeere pr UR retri E Err EIEEEI ENER E E 1 3 User Interface Types ii isse derer mtcr km ene km blc ed 1 3 Front Panel LED Status Indicators 5 5 br RR RC rRR RAE 1 4 Rear Panel Interface Connections uuusese
81. ne Loopback LLB loops the received signal on the network interface back to the network without change NTU LTU Network P EIA 530 etwor ort F Interface one ramet PIS Port Le M 98 15931 B gt 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 stop the test verify that the cursor is positioned at the Stop command 4 Press Enter Line Loopback cannot be started when a Repeater Loopback Data Channel Loopback DCLB Remote DCLB or network initiated Line Loopback is in progress 7975 A2 GB20 40 December 1998 5 3 Testing Repeater Loopback Repeater Loopback RLB loops the signal being sent from the data port back to the data port and to the network interface gt EIA 530 Port Network gt Interface 98 15932 B gt Procedure To run a Repeater Loopback 1 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 positioned at the Stop command 4 Press Enter Repeater Loopback cannot be started when a Line Loopback DCLB Remote DCLB or Data Terminal Loopback DTLB is active NOTE If a disconnected DSL loop is connected while a Repeater Loopback is active the connected units will not
82. nect If the DSL Mode configuration option is changed a message displays on the Save Configuration screen warning that an answer of Yes will cause the system to reset Do not answer Yes unless you are prepared to reset If you select Then Yes The configuration is saved No The Main Menu appears and changes are not saved 3 16 December 1998 7975 A2 GB20 40 Initial Startup and Configuration Download Code The Download Code screen allows you to download firmware from a TFTP server To access the Download Code screen follow this menu selection sequence Main Menu Control Download Code main control download code Hotwire Model 7975 DOWNLOAD CODE Image File Name TFTP Server IP Address Destination Start Transfer Yes Packets Sent 0000000 Packets Received 0000000 Bytes Sent 0000000 Bytes Received 0000000 Transfer Status Transfer Pending Ctrl a to access these functions ESC for previous menu MainMenu Exit B gt Procedure To download firmware 1 Position the cursor in the Image File Name field Type the name of the file to be 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 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 o
83. ntact 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 the dotted line 5 Select Save and press Enter Choosing a Configuration Mode You can make configuration changes either through a VT100 and the unit s Configuration menus or by manually changing switches on the board The unit comes defaulted to allow settings to be made through the Configuration menus Configuring the Unit Using the Configuration Menus Use the Configuration menu branch of the unit to display or change configuration option settings Configuration Options The 7975 Standalone Termination Unit is shipped with factory settings in the Default Factory configuration area You can find default information by m Referring to Appendix A Configuration Option Tables m Accessing the Configuration branch of the 7975 Standalone Termination Unit menu The 7975 Standalone Termination Unit has two sets of configuration option settings The Current Configuration matches the Default Factory Configuration until modified and saved by the user Configuration Option Area Configuration Option Set Current Configuration The 7975 Standalone Termination Unit s active set of configuration options Default Factory Configuration A read only configuration area containing the factory default configuration options If the factory defau
84. o access the General SNMP Management Options screen follow this menu selection sequence Main Menu Configuration Load Configuration From Edit gt Management and Communication 2 SNMP General SNMP Management Table A 8 General SNMP Management Options SNMP Management Possible Settings Enable Disable Default Setting Disable Enables or disables the SNMP management features Enable Enables SNMP management capabilities Disable Disables SNMP management capabilities Community Name 1 Possible Settings ASCII text field Public Default Text Public Identifies the name of the community allowed to access the unit s MIB The community name must be supplied by an external SNMP manager when that manager attempts to access an object in the MIB Text Field Enter or edit a community name Clear Clears the community name field Name 1 Access Possible Settings Read Read Write Default Setting Read Determines the access level for Community Name 1 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 Public Identifies the name of the second community allowed to access the unit s MIB The community name must be supplied by an external SNMP manager when that manager attempts to access an object in the MIB Text
85. ode CEC Class 2 circuit installed in accordance with articles 110 16 110 17 and 110 18 of the NEC and articles 2 308 2 310 2 312 2 314 2 200 and 2 202 of the CEC or 3 a Safety Extra Low Voltage SELV power source with a maximum available output of less than 240 VA certified for use in the country of installation 3 Slots and openings in the cabinet are provided for ventilation To ensure reliable operation of the product and to protect it from overheating these slots and openings must not be blocked or covered 4 Do not allow anything to rest on the power cord and do not locate the product where persons will walk on the power cord 5 Do not attempt to install or service this product yourself as opening or removing covers may expose you to dangerous high voltage points or other risks Refer all installation and servicing to qualified service personnel 6 General purpose 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 regulatory agencies and inspection authorities to ensure compliance 8 Arare phenomenon can create a voltage potential between the earth grounds of two or more buildin
86. on B gt 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 confirmation message appears if you have made but not saved changes to your configuration 3 Tab to Exit or type e or E and press Enter 7975 A2 GB20 40 December 1998 2 9 Using the Asynchronous Terminal Interface 2 10 December 1998 7975 A2 GB20 40 Initial Startup and Configuration Overview 7975 A2 GB20 40 This chapter provides instructions on how to access and configure your unit for the first time This chapter includes procedures for Connecting power to the unit Connecting the unit to the network Connecting a system terminal Providing initial unit identity information or changing existing identity information m Configuring your unit using internal switchpacks or using the Configuration Edit menus m Choosing the current or factory default configuration options or downloading configuration options from a TFTP server m Modifying current configuration options using the Configuration Edit Display menu Saving your changes m Downloading unit firmware from a TFTP server December 1998 3 1 Initial Startup and Configuration Connecting Power to the Unit If your package includes a power pack Plug the power pack into an ac outlet having a nominal voltage rating between 100 240 Vac Connect the output cable of
87. 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 Redundancy Check 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 To Send RTS Code Violation This is equivalent to a BPV Used with HDB3 coding format Data Communications Equipment The equipment that provides the functions required to establish maintain and end a connection It also provides the signal conversion required for communication between the DTE and the network Data Channel Loopback Loops the data received from the network interface for all DSO channels allocated to the selected port back to the network Digital Subscriber Line The non loaded local loop copper connection between the customer and the first node within the network Digital Subscriber Line Access Multiplexer A platform for DSL modems that provides high speed data transmission over traditional twisted pair wiring Data Set Ready A signal from the modem to the DTE that indicates the modem is turned ON and connected to the DTE Data Terminal Equipment The equipment such as a computer or terminal that provides data in the form of digital signals for transmission Data Terminal Loopback Loopback mode that loops the data for a
88. onfiguration steps Chapter 4 Monitoring the Unit Describes using the LEDs status and network statistics to monitor the unit Chapter 5 Testing Provides information about available tests and test setup Chapter 6 Messages and Troubleshooting Provides information on SNMP traps device messages and troubleshooting Chapter 7 Security Presents procedures for creating a login setting the effective access levels and controlling SNMP access Chapter 8 IP Addressing Provides information and examples regarding IP addresses 7975 A2 GB20 40 December 1998 About This Guide Product Related Documents vi Section Appendix A Appendix B Appendix C Appendix D Glossary Index Description Configuration Option Tables Contains all configuration options default settings and possible settings Standards Compliance for SNMP Traps Contains SNMP trap compliance information Cables and Pin Assignments Contains connector and interface information Technical Specifications Contains physical and regulatory specifications network and port interfaces power consumption values and accessory part numbers Defines acronyms and terms used in this document Lists key terms acronyms concepts and sections in alphabetical order Document Number Document Title 8775 A2 GB20 8775 A2 GZ40 Hotwire 8775 M SDSL Termination Unit User s Guide Hotwire 8775 M SDSL Termination Unit Installation Instructions Contac
89. or the TFTP server you wish to use to upload and download configurations See Configuration Loader in Chapter 3 Initial Setup and Configuration Review the following information in preparation for selecting an IP addressing scheme m Any legal host address is allowed for a given subnet The address choice within the subnet is arbitrary m A single route to a subnet is all that is needed to reach every device on a subnet 7975 A2 GB20 40 December 1998 8 1 IP Addressing IP Addressing Example DSLAM NTU 8775 MCC MCC B Addigssu 106 35 50 1 il MCC Base Subnet Mask 255 255 255 0 ort 1 Peer IP saves 126 35 50 5 m E V ML ort 2 pE es Peer IP nae 126 35 10 1 7975 ort Peer IP mcd 126 35 10 2 7975 Port 4 Peer IP Address 126 35 10 3 7975 MCC Base Address 126 35 1 1 MCC Base Subnet Mask 255 255 0 0 7975 7975 LTU IP Address 126 35 7 1 NTU IP Address 126 35 7 2 LTU Peer IP Address 126 35 7 2 LTU Peer IP Address 98 15901 Peer IP Address Assignments m The Peer IP Address refers to the IP address of the unit configured as an NTU m The Peer IP Address is assigned by the LTU 8 2 December 1998 7975 A2 GB20 40 Configuration Option Tables Overview The tables in this appendix summarize the configuration options accessed when you select the Configuration option on the Main Menu The Config
90. particular synchronous data port back to the port just before it is combined with the rest of the T1 data stream December 1998 GL 1 Glossary DTR EER EOC ES ESF Ethernet ETSI E1 factory defaults FAS FAW FCC FEBE frame relay FTP G 703 G 704 HDB3 HDSL IP IP address kbps LAN GL 2 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 Excessive Error Rate An error rate that is greater than the threshold that has been configured in the device Embedded Operations Channel An in band channel between DSL devices used for 4 kbps management data Errored Seconds A second with one or more ESF error events one or more CRC6 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 connected to a coaxial cable where they contend for network access using a Carrier Sense Multiple Access with Collision Detection CSMA CD paradigm European Telecommunications Standardization Institute An organization that produces technical standards in the area of telecommunications A wideband digital interface ope
91. play menu screen appears Configuration Loader The Configuration Loader screen is displayed allowing you to upload or download configurations from a TFTP server 7975 A2 GB20 40 December 1998 3 11 Initial Startup and Configuration Configuration Edit Display The Configuration Edit Display screen is displayed when the current customer or default configuration is loaded To access the Configuration Edit Display screen follow this menu selection sequence Main Menu gt Configuration Current Configuration Main Menu Configuration Default Factory Configuration main config edit Hotwire Model 7975 CONFIGURATION EDIT DISPLAY Network SYNC Port System Options Communication Port Management and Communication 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 Access the To Configure the Network Network Interface Options Table A 1 DSL network interfaces on the unit SYNC Port Synchronous Data Port Options Synchronous DTE interface Table A 2 Ports System System Options Table A 3 General system options of Options the unit Communication Communication Port Table A 4 Unit s COM port options Port Management Telnet Sessions Options Management support of the and Table A 5 unit through SNMP and Communication
92. port on the DSU m Enterprise MIB Supports configuration status statistics and tests SNMP Traps Support The 7975 Standalone Termination Unit supports traps as defined in RFC 1215 They may include variable bindings specified in the following MIBs MIB II RFC 1573 Defines the general objects for use with a network management protocol in TCP IP internets and provides general information about the 7975 Standalone Termination Unit MIB Il is backward compatible with MIB I m Enterprise MIB Supports configuration status statistics and tests Figure 1 4 illustrates a typical M SDSL SNMP configuration Refer to Chapter 8 IP Addressing and Appendix B Standards Compliance for SNMP Traps Operation Maintenance and Provisioning Center Network V 35 m Ethernet DSLAM Interface Ethernet LAN 98 15858 Figure 1 4 M SDSL SNMP Configuration 7975 A2 GB20 40 December 1998 1 5 About the Hotwire 7975 Standalone Termination Unit 1 6 December 1998 7975 A2 GB20 40 Using the Asynchronous Terminal Interface User Interface Access You can communicate with the Hotwire 7975 Standalone Termination Unit with an asynchronous terminal interface ATI using one of the following methods m Direct connection through the COM port m Using an external modem through the COM port m Telnet session through the Embedded Operations Channel EOC NOTE Only one asynchronous terminal interface session can be
93. problem detection and analysis Statistics are maintained for up to 96 15 minute intervals 24 hours To view the Network Performance Statistics follow this menu selection sequence Main Menu Status Performance Network Performance Statistics main status performance net perf Current Interval Timer Current Int Interval 01 Interval 02 Interval 03 Interval Interval Interval Interval Ctrl a to access these functions PgUp PgDn NETWORK PERFORMANCE STATISTICS Mrgn Nea 02 02 02 02 02 02 02 02 r Far 01 01 01 01 01 01 01 ClrNear Near Far 03 03 03 03 03 03 03 03 ClrFar 03 03 03 03 03 03 03 Hotwire Model 7975 DSL Line Rate Near Far 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 ESC for previous menu Complete Near Far Yes Yes Yes Yes Yes Yes Yes Yes MainMenu Exit Use the virtual function keys to scroll through the intervals and clear statistics Network Performance Statistics are collected for 900 second interval XmtPw The transmit power level RxGn The receiver gain level December 1998 Mrgn Margin the signal to noise ratio SNR less an SNR reference value Complete Whether the interval register contains data for a complete 7975 A2 GB20 40 Monitoring the Unit This Field Contains Current Interval The number of seconds
94. ps from the 7975 Standalone Termination Unit by entering an IP address and network destination for each SNMP manager specified m Select the type of SNMP traps to be sent from the 7975 Standalone Termination Unit To configure SNMP Traps follow this menu selection sequence Main Menu Configuration Load Configuration From gt Management and Communication Options gt SNMP Traps Options main config management trap Hotwire Model 7975 OPTIONS SNMP Traps Number of Trap Managers 5 1 Address m Clear Destination 2 Address A Clear Destination 3 Address Clear Destination 4 5 Address Clear Destination Address s Clear Destination General Traps Enterprise Specific Traps Enable Link Traps Both Link Traps Interfaces Network Ctrl a to access these functions ESC for previous menu MainMenu Exit Save Refer to Table A 7 SNMP Traps Options 6 2 December 1998 7975 A2 GB20 40 Device Messages 7975 A2 GB20 40 Messages and Troubleshooting The Device Messages in Table 6 1 listed in alphabetical order can appear in the messages area at the bottom of the ATI screens Table 6 1 Device Messages 1 of 2 Device Message What Message Indicates What To Do Access level is Operator Configuration is read only The operator requested that configuration options be loaded but does not have authority to edit them If configuration options are to be edited us
95. r greater than 223 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 the COM port 4 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 5 Press the Escape key to return to the Control menu Select Apply Download 6 On the Apply Download screen select Yes to reset the card and activate the code 7975 A2 GB20 40 December 1998 3 17 Initial Startup and Configuration 3 18 December 1998 7975 A2 GB20 40 Monitoring the Unit What to Monitor This chapter presents information on how to access and monitor Hotwire 7975 Standalone Termination Units on the E1 network You can monitor 7975 Standalone Termination Unit operations by viewing m System and Test Status screens m Highest priority Health and Status messages on the last line of all screens m Network Error Statistics screen Network Performance Statistics screen m Display LEDs screen or LEDs on the 7975 Standalone Termination Unit front panel 7975 A2 GB20 40 December 1998 4 1 Monitoring the Unit Viewing System and Test Status To view System and Test Status information follow this menu selection sequence Main Menu gt Status System and Test Status
96. rating at 2 048 Mbps defined by ITU recommendations G 703 and G 704 It is used primarily outside North America A predetermined set of configuration options containing the optimum settings for operation on asynchronous dial networks Frame Alignment Signal A loss of signal LOS error detection Frame Alignment Word A loss of synchronization error detection Federal Communications Commission The Board of Commissioners that regulates all electrical communications that originate in the United States Far End Block Error Block errors reported by remote equipment A high speed connection oriented packet switching WAN protocol using variable length frames File Transfer Protocol A TCP IP standard protocol that allows a user on one host to access and transfer files to and from another host over a network provided that the client supplies a login identifier and password to the server An ITU recommendation for the physical and logical characteristics of hierarchical digital devices An ITU recommendation for synchronous frame structures High Density Bipolar Three Zeros Substitution A line coding technique used to accommodate the ones density requirements of E1 lines High bit rate Digital Subscriber Loop Provides high bandwidth bi directional transmission over copper wire for both T1 and E1 services Internet Protocol An open networking protocol used for internet packet delivery Internet Protocol address The address assigned
97. reported by the remote equipment m Complete Whether the interval register contains data for a complete 900 second interval 4 6 December 1998 7975 A2 GB20 40 7975 A2 GB20 40 Monitoring the U Use the virtual function keys to page through the intervals and clear statistics nit 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 Error Events Counter 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 for up to 96 15 minute intervals 24 hours where the value of xx is from 01 to 96 Worst Interval The number of the interval with the worst highest performance data for both the near and far end statistics If two or more intervals are equal the oldest interval is displayed Near and Far TOT A running total of the near and far end performance statistics December 1998 4 7 Monitoring the Unit Viewing Network Performance Statistics Network performance statistics allow you to monitor the current status of the network DSL operations Performance statistics can assist you in determining the duration of specific conditions and provide a historical context for
98. ributor locations or Paradyne worldwide office locations use one of the following methods m Via the Internet Visit the Paradyne World Wide Web site at http www paradyne com m Via Telephone Call our automated call system to receive current information via fax or to speak with a company representative Within the U S A call 1 800 870 2221 Outside the U S A call 1 727 530 2340 Trademarks All products and services mentioned herein are the trademarks service marks registered trademarks or registered service marks of their respective owners Document Feedback We welcome your comments and suggestions about this document Please mail them to Technical Publications Paradyne Corporation 8545 126th Ave N Largo FL 33773 or send e mail to userdoc eng paradyne com Include the number and title of this document in your correspondence Please include your name and phone number if you are willing to provide additional clarification ED Printed on recycled paper A December 1998 7975 A2 GB20 40 Important Information Important Safety Instructions 1 Read and follow all warning notices and instructions marked on the product or included in the manual 2 Input power to this product must be provided by one of the following 1 a UL Listed CSA Certified power source with a Class 2 or Limited Power Source LPS output for use in North America or 2 a 24 Vdc National Electric Code NEC ANSI NFPA 70 Canadian Electric C
99. rmination 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 Possible Settings Enable Disable Default Setting Disable Provides automatic logoff of a Telnet session Enable The Telnet session terminates automatically after the Disconnect Time Disable A Telnet session will not be closed due to inactivity 7975 A2 GB20 40 December 1998 A 9 Configuration Option Tables Table A 4 Communication Port 3 of 3 Disconnect Time Minutes Possible Settings 1 60 Default Setting 5 Number of minutes of inactivity before the session terminates automatically Timeout is based on no keyboard activity Disconnect Time minutes option appears when Inactivity Timeout is enabled 1 to 60 The Telnet session is closed after the selected number of minutes A 10 December 1998 7975 A2 GB20 40 Configuration Option Tables Management and Communication Options Menu The Management and Communication Options Menu includes the following m Telnet Sessions Options Table A 5 m Communication Protocol Options Table A 6 m SNMP Traps Options Table A 7 m General SNMP Management Options Table A 8 m SNMP NMS Security Options Table A 9 Telnet Sessions Options 7975 A2 GB20 40
100. ronous data port when an LOS Loss Of Signal alarm is received on the network interface Halt Stops the transmission of data on the data port and disables the data port when an LOS alarm is received on the network interface When LOS alarms are received all ones are sent on the Received Data interchange circuit BB CCITT 104 The Clear to Send interchange circuit CB CCITT 106 is interrupted None Makes the data port unaffected by LOS alarms received on the network interface Network Initiated Data Channel Loopback Possible Settings Disable Enable Default Setting Disable Allows the initiation and termination of a Data Channel Loopback DCLB by the receipt of a DCLB actuate sequence or DCLB release sequence from the network or far end device Disable Ignores the DCLB actuate and DCLB release sequences for this port Enable DCLB actuate and DCLB release sequences are recognized for this port 7975 A2 GB20 40 December 1998 A 5 Configuration Option Tables A 6 Table A 2 Synchronous Data Port Options 3 of 3 Port DTE Initiated Loopbacks Possible Settings Disable DTLB DCLB Both Default Setting Disable Allows the initiation and termination of a local Data Terminal Loopback DTLB or remote Data Channel Loopback DCLB by the DTE connected to this port DTLB is equivalent to a V 54 loop 3 and DCLB is equivalent to a V 54 loop 2 Control of these loopbacks is through the
101. s dabis S bine ioo B 1 inkuUp and hnkDOWL v ortis er RPPCREPEPRhMPEPERRSPRRPEP RRRRS B 2 m Enterprise Specific Traps 000 sendien teens B 3 C Cables and Pin Assignments B ONVOIVIOW sirissrsinsrnit etnir aiiai dead e aiaia a iia C 1 m DSL Network Interface Cable 0 000 cece eee esses C 2 COM Port Interface Gable cctcedsicceadransieiesiesedeie S Peu bes C 3 m EIA 530A Port Interface Connector 0 0 c cece eee eee C 5 m EIA 530A to X 21 Interface Cable 0 ccc ccc eee eee C 6 m ElA 530A to RS449 Cable Interface 0c cee eee C 8 m EIA 530A to V 35 Cable Interface annuun nananana C 10 Optional Power Cable D Technical Specifications Glossary Index iv December 1998 7975 A2 GB20 40 About This Guide Document Purpose and Intended Audience This guide contains information needed to set up configure and operate the Hotwire 7975 Multirate Symmetric Digital Subscriber Line M SDSL Standalone Termination Unit and is intended for installers and operators Document Summary Section Description Chapter 1 About the 7975 Standalone Termination Unit Describes the 7975 Termination Unit s features and capabilities Chapter 2 Using the Asynchronous Terminal 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 and c
102. s menu MainMenu Exit Use the Command column to start or stop a test When the Status column shows that a test is Inactive Start is displayed when a test is Active Stop is displayed Position the cursor at the desired Start or Stop command and press Enter The Results column displays the test duration December 1998 5 7 Testing Data Terminal Loopback Data Terminal Loopback DTLB loops the user data back to the DTE This loopback is located as closely as possible to the user data port DTE interface NTU LTU Network Port EIA 530 Interface ll 1s Tac a Port 98 15933 B gt 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 4 Press Enter Data Terminal Loopback cannot be started when a Repeater Loopback DCLB or Remote DCLB is already active on the data port 5 8 December 1998 7975 A2 GB20 40 Testing Data Channel Loopback Data Channel Loopback DCLB loops the data from the network interface back to the network This loopback is located as closely as possible to the user data port DTE interface NTU LTU Network Port EIA 530 98 15934 B gt Procedure To run a Data Channel Loopback 1 Position the cursor at the Start com
103. s on the front panel to light 7975 A2 GB20 40 December 1998 4 5 Monitoring the Unit Viewing Network Error Statistics The 7975 Standalone Termination Unit maintains error statistics on the network DSL interface for port 1 Statistics are maintained for up to 96 15 minute intervals 24 hours To view the Network Error Statistics follow this menu selection sequence Main Menu Status gt Performance Network Error Statistics main status performance net error Hotwire Model 7975 NETWORK ERROR STATISTICS Current Interval Timer SES FEBE Complete Near Far Near Far Near Far Near Far Current Int 000 000 000 000 000 000 Yes Interval 01 000 000 000 000 000 000 Yes Interval 02 000 000 000 000 000 000 Yes Interval 03 000 000 000 000 000 000 Yes Interval 04 000 000 000 000 000 000 Yes Interval 05 000 000 000 000 000 000 Yes Interval 06 000 000 000 000 000 000 Yes Interval 07 000 000 000 000 000 000 Yes Worst Interval 24 09 Near Tot valid 00010 Far Tot valid 00010 Ctrl a to access these functions ESC for previous menu MainMenu Exit PgUp PgDn ClrNear ClrFar Network Error Statistics are collected for m ES Errored Seconds Seconds during which one or more ESF error events occurred m SES Severely Errored Seconds Seconds during which more than 320 cyclic redundancy check CRC error events or at least one Out of Frame OOF event occurred m FEBE Far End Block Errors Errors
104. selected to start another test or was active on the same or another interface when Start was selected Abort all tests from the Test menu screen Stop the test from the same screen the test was started from December 1998 6 3 Messages and Troubleshooting 6 4 Table 6 1 Device Messages 2 of 2 Device Message What Message Indicates What To Do Invalid entry at cursor 1 223 excluding 127 Invalid range Enter a value within the IP address range Limit of six Login IDs reached An attempt to enter a new login ID was made and the limit of six login password combinations has been reached 1 Delete another login password combination 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 No action needed Enter a security record Password Matching Error Re enter Password entered in the Reenter Password field of a Try again Contact your system Password the Administer Logins e Screen does not match administrator to verify your what was entered in the password Password field Please Wait Command takes longer Wait until message clears than 5 seconds Test Active A test is running and no Contact service provider if test higher priority health and status messages exist initiated by the network m Wait until the other
105. selleueusss 1 4 SNMP Management Capabilities 0 ccc eee eee eee 1 5 Management Information Base MIB Support 1 5 SNMP Traps SUPPO 43 naeh Rede nie bem 1 5 2 Using the Asynchronous Terminal Interface 7975 A2 GB20 40 User Interface ACCESS icssses seremos dokn drueie fma dx n erede da d 2 1 Communication Port Settings i iesaestepepre 3 PRODR I ER PERSE 2 1 Initiating an ATI Session 2 0 2 2 cece ees 2 2 SCEN WOK ATAS cs vacbebibos po MERDA EU RUNE PUEDE wan 2 5 Navigating tlie SCreGns aesi bepePSEMO LAPSI RNRDISR PO PARISSEP beaded 2 6 Keyboard Keys i icc uses pk RRREPR Uus PPe wq d RbR edd 2 6 Screen Function Kays oc ideas eb ioa dreii PPS ROC E PPIR PPS 2 7 Switching Between Screen Work Areas ussuu 2 8 Ending amATISBsSlOI oro rriro p ipe PERERPIMPRPEREPPRRRPREPRPH R PPS 2 9 December 1998 Contents 3 Initial Startup and Configuration W SOVGIVIOW axnxssequ s deuda dq RS duibdu e pus dea URN aus 3 1 m Connecting Power to the Unit 0 00 e cece eee 3 2 Connecting the Unit to an Optional External DC Power Source 3 2 E Gonnecting to the INBIWOFK cssxosteneeTepeeieitwripeebebtebebewdp 3 3 m Connecting to a System Terminal 0 000 ccc eee ee eee 3 3 m Entering Identity Information sss csisicreriirereirerodrere eee 3 4 m Choosing a Configuration Mode 60 cece eee eee eee 3 5 m Configuring the Unit Using the Configuration Menus
106. send and monitor the 511 pattern The duration and results of the test are displayed on the Network Test screen of each unit NOTE The send and monitor test is not a loopback test Each unit independently sends and monitors a 511 pattern Local Remote NTU LTU 511 Pattern NTU LTU gt Port Port EIA 530 98 15936 B gt 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 Tests screen 2 Press Enter The Start command is changed to Stop 3 To manually stop the test verify that the cursor is positioned at the Stop command 4 Press Enter When a Send and Monitor 511 test is active a count of bit errors is displayed next to the test duration and the ResetMon virtual function key is available for use Type r or R or select the ResetMon virtual function key to reset the error count 5 6 December 1998 7975 A2 GB20 40 Running SYNC Data Port Tests To access the SYNC Data Port Tests screen follow this menu selection 7975 A2 GB20 40 sequence Main Menu Test SYNC Data Port Tests main test data SYNC DATA PORT TESTS Command Status Local Loopbacks Data Terminal Loopback Inactive Data Channel Loopback Inactive Remote Loopbacks Send Remote DCLB Down Inactive Testing Hotwire Model 7975 00 00 00 00 00 00 00 00 00 Ctrl a to access these functions ESC for previou
107. t your sales or service representative to order additional product documentation Paradyne documents are also available on the World Wide Web at http www paradyne com Select Service amp Support gt Technical Manuals December 1998 7975 A2 GB20 40 About the Hotwire 7975 Standalone Termination Unit M SDSL Overview 7975 A2 GB20 40 Hotwire Multirate Symmetrical Digital Subscriber Line M SDSL products maximize customer service areas by varying the DSL line rate This ensures symmetric DSL connectivity over a wide range of telephone line distances and transmission line qualities Hotwire M SDSL products can transport at full or fractional payload rates over a 2 wire full duplex circuit over varying distances based on the conditions of the 2 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 gauge 5 mm cable or up to 15 000 feet 4 6 km delivered at 2 048 Mbps on 24 gauge 5 mm cable Hotwire M SDSL is equipped with an automatic configuration capability that reduces the M SDSL installation process to a simple plug and play mode Simply connecting the units to the line automatically configures the customer for the maximum data rate supported by the local loop M SDSL units can also be configured at fixed line speeds to achieve maximum distances December 1998 1 1 About the Hotwire 7975 Standalone Termination Unit Hotwire
108. terface Cable Physical Environment Operating temperature Storage temperature Relative humidity Shock and vibration 32 to 122 F 0 to 50 C 4 F 20 C to 158 F 70 C 5 to 85 noncondensing Withstands normal shipping and handling Technical specifications are subject to change without notice 7975 A2 GB20 40 December 1998 D 1 Technical Specifications D 2 December 1998 7975 A2 GB20 40 Glossary AMI ATI BPV bridged tap CD CO COM port CP CPE CPU CRC CTS CV DCE DCLB DSL DSLAM DSR DTE DTLB 7975 A2 GB20 40 Alternate Mark Inversion A line coding technique used to accommodate the ones density requirements of E1 or T1 lines Asynchronous Terminal Interface A menu driven VT100 compatible system for configuring and managing the termination unit Bipolar Violation In a bipolar signal a one mark pulse which has the same polarity as its predecessor Any part of the local loop that is not in the direct talking path between the CO and the service user Carrier Detect The received line signal detector V 24 circuit 109 CO The PSTN facility that houses one or more switches serving local telephone subscribers 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
109. the power pack to the connector marked POWER on the rear panel If your package includes a direct connection dc power cable Connect the unit to an external dc power source as described in Connecting the Unit to an Optional External DC Power 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 7975 Standalone Termination Unit is capable of operating on a 24 Vdc power supply B gt Procedure To use the dc power cable 1 Connect the green wire to a suitable earth ground Connect the orange wire to the 24 Vdc source Connect the white wire to the return 2 3 4 5 Cut the black red and blue wires off at the outer insulation Plug the power connector into the 7975 Standalone Termination Unit X X Earth Ground RTN 24 Vdc X 98 14158 01 24 Vdc Power Supply Pinouts 3 2 December 1998 7975 A2 GB20 40 Initial Startup and Configuration Connecting to the Network B gt Procedure To connect your unit to the network 1 Connect one end of the network cable into the rear panel DSL jack Connect the other end to your DSL network interface NOTE Do not use a flat VF network cable as this may severely degrade the performance of the termination unit Use only Cat 5 twisted pair network cable Connecting to a System Terminal An option
110. uration options are arranged into groups based upon functionality Select To Access the To Configure the Network Network Interface Options Table A 1 E1 SDSL network 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 Port Table A 4 Unit s COM port options Management and Communication Telnet Sessions Options Table A 5 Communication Protocol Options Table A 6 SNMP Traps Options Table A 7 General SNMP Management Options Table A 8 SNMP NMS Security Options Table A 9 Management support of the unit through SNMP and Telnet NOTE All changes to configuration options must be saved Refer to Saving Configuration Options in Chapter 3 Initial Startup and Configuration 7975 A2 GB20 40 December 1998 A 1 Configuration Option Tables Network Interface Options Menu For Network Interface Options refer to Table A 1 To access the Network Interface Options screen follow this menu selection sequence Main Menu Configuration Current Configuration Network Table A 1 Network Interface Options 1 of 2 Margin Threshold Possible Settings 5db 4db 3db 2db 1db Odb 1db 2db 3db 4db 5db 6db 7db 8db 9db 10db Default Setting Odb Det
111. which have elapsed in the current Timer 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 Current Interval Performance data for the current 15 minutes Interval xx Historical performance data for up to 96 15 minute intervals 24 hours where the value of xx is from 01 to 96 Viewing 7975 Standalone Termination Unit LEDs 7975 A2 GB20 40 The 7975 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 General LEDs display the status of the unit m Sync Port LEDs provide the status of the DTE interface m DSL Loop LEDs display the activity on the DSL network To view the LED status screen follow this menu selection sequence Main Menu Status gt Display LEDs main status leds Hotwire Model 7975 DISPLAY LEDs SYNC PORT DSL LOOP P1 No DTR RTS P1 Lnk Up ESC for previous menu MainMenu Exit The LED status display screen is updated every 5 seconds For information about the meaning of 7975 Standalone Termination Unit LEDs see 7975 Standalone Termination Unit LEDs on page 4 10 December 1998 4 9 Monitoring the Unit 7975 Standalone Termination Unit LEDs The following table contains a description of the LEDs on the 7975 Standalone Termination Unit front panel Gay 7975 M SDSL 98 15856
112. you will see the IP address of the other user if you are using the Management Serial port 2 2 December 1998 7975 A2 GB20 40 Screen Area 4 Screen Function Keys Area 7975 A2 GB20 40 Using the Asynchronous Terminal Interface Access Level Administrator Hotwire Model 7975 Status Test Configuration Control Ctrl a to access these functions Entry to all of the 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 Select and cancel tests for the termination unit s interfaces Configuration Display and edit the configuration options Control Change the device identity administer logins download new firmware or initiate a power up reset of the termination unit After selecting an option what appears on the screens depends on the m Current configuration How your termination unit is currently configured m Effective security access level An access level that is typically set by the system administrator for each interface and each user m Data selection criteria What you entered in previous screens December 1998 2 3 2 4 Using the Asynchronous Terminal Interface The following illustration shows the paths to the different ATI screens Test System and

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