Nokia DNT2Mi-fp Checking measurements and statistics, Measurements via Q1, Monitoring a line

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Maintenance

7.4Checking measurements and statistics

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

Measurements via Q1

•Noise margin

•Rx level

•Tx level

•Line attenuation

•Line voltage (remote-powered) Attenuation can be 0 to 41 dB.

Monitoring a line

Tx level
Line 1 or 2: xx dBm	xx = +7.5 to +14.5 dBm

Rx level
Line 1 or 2: xx dBm	xx = +14.5 to -35 dBm

Noise margin		Noise margin
Line 1 or 2: xx dB	xx = 0 to +15 dB	+15...1 dB, expected BER < 10-7
		0 dB, expected BER 10-7
Attenuation
Line 1 or 2: xx dB	xx = 0 to 50 dB

DNT2Mi-fp statistics

Signal qualities of the selected 15-minute periods (100) and 24-hour periods (30) and since the last reset, according to Rec. G.826, are indicated by the quality parameters in the table below.

DN0445814	© Nokia Corporation	37 (60)
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Contents DNT2Mi-fp Data Network Terminal Product versions Product codeContents Page Product collection and disposal within the European Union Document Date CommentPage About this document Page PDHLocal Network Exchange Introduction to DNT2Mi-fpDNT2Mi-fp BTS Shdsl Alarm LED Power LEDFront view Page Wall mounting Rear panelFastener Line interface Power supplyPin modular jack, RJ-11 DSL Line Strapping instruction for Power Supply Selection of Power Supply option is done by strapping48V DC Supply Remote Power Supply defaultExternal AC/DC converter Supply Removal instruction Remote power feed through line 48VDC 110/230 V AC Converter Earthing bar Mm2 wire704/2M Pin modular jack Pin Data interface RJ-45 Terminal interfaceSymmetrical G.704/2M interface Page Management Use of signal 108 when using MsteCode Name Connector type Length DIP Switch LMI Interface type selection107 HiZ Tx b OUT 108 109 Tx a OUT 103 Rx b 104 Q1 management bus DIP-switchPage Commissioning Automatic power-up testTiming source ManagementQ1 transmission speed Q1 6,1,1 Q1 address Q1 6,1,2Power backoff Q1 6,3,6 Line settingsLine interface Q1 6,3,3 Protection settings Port settingsAfter the tests MeasurementsPage Getting general information MaintenanceS65692.01 A0 Serial number 4H0415 DNT2Mi AS Line No incoming signal Monitoring alarmsDNT2Mi-fp Code Severity Q1 messageSB 1, Port TestingSB 2, Line Port Interface Line Q1 management Automatic controllPort Interface Line Interface Measurements via Q1 Checking measurements and statisticsMonitoring a line DNT2Mi-fp statisticsInformation Abbreviation Description And/or ratio Statistics values via Q1System counters Q1 8,3 DNT2Mi-fp dimensions Technical specificationsEnvironmental and mechanical Line interface in accordance with ITU-T G.991.2Data lead time Data interface= 3 to 32 192 kbit/ to 2048 kbit/s Data lead-time ACL2i to DNT2Mi-fpPower consumption DNT2Mi-fp power supplyPower supply external AC/DC converter DC power supply SafetyRemote power supply Mean time between failure MtbfPage Service settings Factory settingsLine interface settings Data interface settings E1Alarm limits Identifications Controls Settings Measurements Statistics Fault displayUser priviliges GeneralMain Q1 menu structure Identifications menu 2,1 Controls menu 2,1 Settings menu structureSettings menu structure 100 3,13,1,2 3,1,4Give filling value 0 or 2,1..5Measurements menu structure Statistics menu structure 3,1..2,0 10,1 DNT-fp privileges10,3 10,4