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Nokia DNT2Mi sp/mp user manual Checking measurements and statistics

Models: DNT2Mi sp/mp

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Maintaining DNT2Mi

REMOTE DNT

DTE

LOCAL DNT

PORT 1

PORT 2

PORT 3

PORT 2

PORT 3

DTE

Figure 32. Remotely controlled network test loop

DTE

LOCAL DNT

Tx Rx

PORT 2

PORT 3

REMOTE DNT

	DTE
PORT 2	DTE
PORT 3	DTE
	DTE

Figure 33. Remotely controlled network test loop with PRBS test pattern

7.4Checking measurements and statistics

Measurements and statistics to be checked through the front panel control and Q1 measurements cover various quality parameters, line and error counters.

The parameters that can be viewed through the front panel menus or the Q1 menus Measurement (main menu branch 7 and Statistics (main menu branch 8) are listed below.

Measurements via the front panel or Q1

•Noise margin

•Rx level

•Tx level

DN01145897	© Nokia Corporation	55 (128)
Issue 2-0 en	Nokia Proprietary and Confidential

Page 55

Image 55

Nokia DNT2Mi sp/mp user manual Checking measurements and statistics

Contents

Data Network Terminal Single-port and Multiport DNT2Mi sp/mpUser Manual C33975.85--B0 Issue 2-0 enProduct code DNT2Mi sp/mp, AC-poweredDNT2Mi sp/mp, DC-powered DNT2Mi sp/mp, remote-powered2 Introduction to DNT2Mi 3 Applications 4 Construction and interfaces ContentsContents Summary of changes 1 About this document Installing DNT2MiMaintaining DNT2Mi Using front panel menusUsing Q1 menus 10 Technical specificationsDN01145897 Appendix AGlossary Issue 2-0 enNokia Proprietary and Confidential Issue 2-0 enNokia Corporation DN01145897Date Summary of changesIssue 2-0 en DocumentNokia Proprietary and Confidential Issue 2-0 enNokia Corporation DN011458971 About this document Nokia Proprietary and Confidential Issue 2-0 enNokia Corporation DN011458972 Introduction to DNT2Mi G.704/2M EIA-530-A Ethernet VF D2048 3 Applications DNT2Mi provides an n x 64 kbit/s n = 1 to 32 data access and enables TDM multiplexing of line rates to three n x 64k ports. It also incorporates V.110 rate adaptation enabling port rates lower than 64 kbit/s 4.1 Front panel 4 Construction and interfaces4.1.2 Local management interface 4.1.1 Indicators and keysLength ConnectorCode NameLength ConnectorCode NameMultiport DNT2Mi 4.2 Rear panelRemote-powered DNT2Mi REMOTE-POWERED VERSIONDN01145897 4.2.1 Terminal interfacesPin Line interface Nokia CorporationG.704/2M DTE interface adapter units Connector typeEthernet Figure 10. DTE interface options continued5.1 Electromagnetic compatibility 5 Installing DNT2Mi5.2 Grounding of DNT2Mi 5.3 Clearances around DNT2Mi 5.5 Inserting DTE interface units 5.4 Work orderThen proceed according to the steps below To insert DTE interface units 5.7.1 Installing DNT2Mi on a wall 5.6 Free-standing installation5.7 Installing DNT2Mi on a wall or into a rack To install DNT2Mi free-standingTo install DNT2Mi on a wall ø 6 mm bit 45 mm Figure 15. Drilling screw holes into a wall 100 mm Figure 14. Marking of fixing points for wall screwsTo uninstall a wall-mounted DNT2Mi 5.7.2 Uninstalling a wall-mounted DNT2Mi5.7.3 Installing a modem shelf into a 19-inch rack 5.7.4 Installing DNT2Mi in a modem shelf To install a modem shelf into a 19-inch rackTo install DNT2Mi in a modem shelf To uninstall DNT2Mi from a modem shelf 5.7.5 Uninstalling DNT2Mi from a modem shelf5.8 Connecting power supply 1.0 mm Lines correct Lines cross-connected5.8.2 Strain relief 5.8.1 Troubleshooting5.9.2 Adjusting the LCD display 5.9 Completing the installation5.9.1 Verifying the installation To verify that you have installed DNT2Mi correctly6 Commissioning DNT2Mi 6.1 Automatic power-up test6.2 Management 6.5 Port settings 6.4 Line settings6.3 Timing source 6.7 Protection settings 6.6 Time slot settings Q1 6,56.8 Measurements Bit error ratio 6.9 Default valuesNoise margin Port parameters, V-series V.11, V.28, V.35 or EIA-530-A Table 5. Global parameters ContinuedLine parameters Table 7. Multiplexer parametersPort parameters, G.703/64k Port parametersPort parameters, G.704/2M 6.10 Factory values Nokia Proprietary and Confidential Issue 2-0 enNokia Corporation DN011458977.1 Getting general information 7 Maintaining DNT2MiDNT2Mi AS Line no incoming signal Figure 27. Example of Fault display 7.2 Monitoring alarmsFront panel 7.3 TestingAlarm Q1 messagepanel Power up testFront Automaticmanagement FrontAutomatic panelFigure 30. Network test loop single-port Figure 29. Local test loop in a portFigure 31. PRBS 29-1 test transmitter/receiver 7.4 Checking measurements and statistics Description DNT statistics via the front panel or Q1Information Abbreviation and/orDN01145897 8 Using front panel menusUsing front panel menus Issue 2-0 enSingle-port DNT2Mi LED INDICATORSINTERFACE SIGNALS Multiport DNT2MiDisplay 8.1 Main menu levels 8.2 Configuring DNT2MiFigure 36. Front panel main menus The modem automatically detects the port adapter type in use and shows the corresponding configuration parameters under the Configure Port menu option DN01145897 8.2.1 Configuring a portFigure 37. Configuring port 1 / V.xx type interfaces Nokia CorporationNokia Corporation Using front panel menusIssue 2-0 en DN01145897Nokia Proprietary and Confidential Figure 39. Configuring ports / X.21 interfacesNokia Corporation DN01145897Nokia Corporation Using front panel menusIssue 2-0 en DN01145897Nokia Proprietary and Confidential Figure 42. Configuring ports / G.704 interfacesNokia Corporation DN01145897DN01145897 Using front panel menusIssue 2-0 en Ports 2 and 3 inDN01145897 8.2.2 Configuring a lineFigure 44. Front panel menus for line settings Nokia CorporationFigure 45. Front panel menus for common settings 8.2.3 Configuring common settingsDN01145897 8.2.4 Default settingsFigure 46. Front panel menus for default settings Nokia CorporationUsing front panel menus 8.3 Testing DNT2Mi8.3.1 Testing a port 8.3.2 Testing a lineDN01145897 8.3.3 Testing the equipmentFigure 49. Front panel menus for testing the equipment Nokia CorporationIssue 2-0 en 8.4 Monitoring DNT2Mi8.4.1 Monitoring a port Using front panel menusDN01145897 8.4.2 Monitoring a lineFigure 51. Front panel menus for monitoring a line Nokia CorporationFigure 52. Front panel menus for monitoring alarms 8.4.3 Monitoring alarmsDN01145897 8.4.5 Self testing8.4.4 Monitoring equipment information Nokia Corporation9.1 General 9 Using Q1 menus5. Controls temporary 6. Settings permanent Figure 55. Main Q1 menu structure 1 Fault display4 Identifications 5 Controls 6 Settings 7 Measurements 8 Statistics DNT settingsGive new Eq name Figure 56. Identifications menu4,7,4,1 Figure 57. Identifications menu continued4,7,4 4,7,4,0DNT controls Figure 58. Controls menu5,2, port # Figure 59. Settings menu structure Interface type Figure 60. Settings menu structure continuedFigure 61. Settings menu structure continued BER alarm severity 0 Display 1 No alarm 2 A-level alarm Using Q1 menusPower backoff 0 Display 1 ON 2 OFF BER alarm limit 0 Display 1 E-3 2 E-66,5,1,TS# Figure 63. Settings menu structure continued6,4,port# 6,5,16,4, port#,4 Figure 64. Settings menu structure continued6,4, port # 6,4, port#,2G.704/2M & D2048 Interface settings 6,4, port # Figure 66. Settings menu structure continued, V-type adapters 6,4,port #,3,1 Figure 67. Settings menu structure continued, X- and VF-type adaptersX.21 interface settings 6,4,port#,3 VF Interface settings 6,4,port#,36,4,port #,3,1 Figure 68. Settings menu structure continued, G.703/64k & G.703/2MG.703/64k Interface settings 6,4, port # G.703/2M Interface settings 6,4, port #NM = Noise margin At = Attenuation Figure 69. Measurements menu structureFigure 70. Statistics menu structure 8,3,1 Figure 71. Statistics menu structure continued8,2,3 8,2,4Figure 72. Privileges menu structure Give new password 1...7 characters9.2 DNT controls 9.3 DNT settings9.3.1 Display 6,0 Q1 speed 6,1,1 9.3.2 Service options 6,19.3.3 Timing source 6,2 DNT2Mi Internal timingDNT2Mi Port timing2-wire or 4-wire mode Line rate 9.3.4 Line settings 6,3This menu branch allows you to perform settings to a line In this menu, you can select the following line settings SHDSL modeSTU-C 6,3,3,1 DN01145897 Figure 75. Measured SHDSL symmetric PSD and mask 2-w, 2MFigure 76. Measured SHDSL symmetric PSD and mask 4-w, 2M or 2-w, 1M Nokia CorporationGive line rate 6,3,3,1,2,n 6,3,3,1,4,n kbit/s DNT2Mi reach9.3.5 Port settings 6,4, port # Synchronous or asynchronous 6,4, port #,3,1 Timing CT103 timing by CT113, Line timing DNT2Mi103 113 114 104 115 Tx Line SHDSL RxCT103 timing by CT114, Internal timing DTE circuits 6,4, port #,3,3CT103 timing by CT113, Internal timing DNT2MiDSR & DTR use 6,4, port #,3,3,3 G.704/2M-type interface settings 6,4, port #,3CTS use 6,4, port #,3,3,1 DCD use 6,4, port #,3,3,2Figure 80. Time slot mapping example, TS0 locally terminated BF monitoring only with the D2048-type adaptersCRC monitoring only with the D2048-type adapters TS mapping 6,4, port #,3,4BER alarm limit 6,4, port #,3,7 9.3.8 Factory settings 6,7 9.3.7 Default settings 6,69.3.6 Time slot use 6,5 In the Port/Line statistics submenu 9.4 Statistics9.5 User privileges Issue 2-0 en 10 Technical specifications10.1 Dimensions Technical specificationsDC power supply 10.2 Power supplyPower consumption, depending on adapters and power supply used AC, DC AC power supply10.4 Unit identification 10.3 Line interfaces10.5.1 Environmental and mechanical requirements 10.5 Ambient conditionsOperating conditions 10.5.2 Electromagnetic compatibilityTechnical specifications Issue 2-0 enThe conditions listed in Section 5.1 must be fulfilled 10.5.3 Safety and protectionTable 25. General settings Appendix A A.1 Commissioning chartTable 26. Port settings Port Table 26. Port settings ContinuedSetting PortPort Issue 2-0 enLine PortNokia Proprietary and Confidential Issue 2-0 enNokia Corporation DN01145897Glossary Abbreviations Errored Seconds Ratio Power Terms