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3M 965AMS DSL>Resistance Balance>Recommended Values, DSL>Resistance Balance>Application Notes

Models: 965AMS

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Measurement Functions		3M™ Dynatel™ Advanced Modular System 965AMS
DSL>Resistance Balance>Operation

3. Press Test to start the
3. Press Test to start the
	test.

DSL>Resistance Balance>Recommended Values

Service		% Ohms Difference
POTS			3%
Wideband			1%
Parameter	OK	Marginal	Not OK
Resistance Balance	<1%	1%–5%	>5%

DSL>Resistance Balance>Application Notes

The resistance balance test is used to identify a high resistance open or a bad splice.

The test will also identify a loop that is resistively too long for the selected autotest.

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3M 965AMS manual DSL>Resistance Balance>Recommended Values, DSL>Resistance Balance>Application Notes

Contents

3 Dynatel Future-ProofTesting PlatformAdvanced Modular System 965AMS Version 4.01.17 User’s GuidePage Contents System Modes Getting Started IntroductionExample: To use the AC Volts, press F5 Introduction Getting Started3M Dynatel Advanced Modular System 965AMS Welcome Screen HelpGetting Started 3M Dynatel Advanced Modular System 965AMSHigh Voltage System Setup CountryLanguage CountryModule Network Setup3M Dynatel Advanced Modular System 965AMS Units System SetupChange to continue or press to quit without making changesUnits Degrees: Fahrenheit orUser Info Clock Settings System Setup2.Use the blue keys to enter the correct date 3M Dynatel Advanced Modular System 965AMSClock Settings 3.Press Select , then enter the correct time using the blue keysSystem Setup Clock Settings3M Dynatel Advanced Modular System 965AMS Set Beep Volume Power Down Timeout System SetupChange to continue or press to quit without making changesCustom Cable System Setup Custom Cable4. Use the blue keys to enter the capacitance to groundSystem Setup Custom Cable6. Use the blue keys to enter ohms per thousand feetSystem Setup Custom CablePress OK to save the custom cable 3M Dynatel Advanced Modular System 965AMSVoltage Termination Voltage Termination System Setup3M Dynatel Advanced Modular System 965AMS Measurement Functions Volts-DCor AC>Hook-Up Volts-DCor ACVolts-DCor AC>Operation Volts-DCor AC>Operation Volts-DCor AC>AC VoltsAC Normal Range—ActiveLine Loop Current>Hook-Up Loop CurrentLoop Current>Operation Loop Current>Ground Resistance Loop Current>Ground Resistance>Hook-UpLoop Current>Operation 3. Over Current WarningLoop Current>Ground Resistance>Operation Ohms Measurements>Hook-Up Ohms MeasurementsOhms Measurements>Operation Ohms Measurements>Operation Measurement Functions3M Dynatel Advanced Modular System 965AMS MarginalOhms Measurements>Voltage Compensation Ohms Measurements>Soak Test1. Take an initial resistance Ohms Measurements>Soak Test Measurement FunctionsInitial Reading Reading After 1 or 2 Minutes 3M Dynatel Advanced Modular System 965AMSOhms Measurements>Soak Test 6. UseMeasurement Functions 3M Dynatel Advanced Modular System 965AMSToolbox>Stored Results ToolboxToolbox>Stored Results>Operation Toolbox>Stored Results>Operation Press View to see the list of filesToolbox>Self-Calibrate Toolbox>Self-Calibrate>Hook-UpToolbox>Self-Calibrate>Operation OK to save your choiceMeasurement Functions 3M Dynatel Advanced Modular System 965AMSToolbox>Ohms-to-DistanceCalculator Toolbox>Ohms-to-DistanceCalculator>Operation5. Use the blue keys to enter the temperature Toolbox>Ohms-to-DistanceCalculator>OperationMeasurement Functions 3M Dynatel Advanced Modular System 965AMSInternet Explorer Toolbox>Ohms-to-DistanceCalculator>Operation6. Press Convert to find the distanceToolbox>965AMS Results Manager Toolbox 965AMS Results Manager Connections Toolbox>965AMS Results Manager>Copying Files Opens>Hook Up OpensOpens>Operation Opens>Operation Press Tip Gnd to display the T-GdistanceOpens>Operation Opens Calibrate Cable 1. Press Setup2. Press Measurement FunctionsOpens>Calibrate Cable 3. Use the blue keys to enter the known distanceMeasurement Functions Press MeasureTone Tone>Set-UpTone>Operation Ring BTone>Operation 3. Press Send Tone to send the tone4. Press Stop Tone to stop the tone Measurement FunctionsTone>Edit The Frequency Of A Tone Precision - 200 Hz and 19,999 HzTone>Applications>ID Tone Tone>ApplicationsTone>Edit The Frequency Of A Tone Tone>Applications>Precision Tone Tone>Application>Wideband ToneRFL Resistance Fault Locate RFL>Hook-UpRFL>Hook-Up Ring-GroundSeparate PairShort Separate Pair Tip-CrossSeparate PairRing B 1/Fault Fault StrapFault FaultRFL>Separate-Pair, Single-SectionOperation Ring B/FaultTip A/Fault FaultRFL>Separate-Pair, Single-SectionOperation 2.Press the blue key to enter the RFL functionPress Setup to choose the RFL>Separate-Pair, Single-SectionOperationUse the up and down arrow keys to select Single8.Enter the temperature using the blue keys RFL>Separate-Pair, Single-SectionOperationPress OK to return to the main RFL screen 7.Press Unknown Length9. Press Test to review the settings RFL>Separate-Pair, Single-SectionOperationRFL>Separate-Pair, Single-SectionOperation DTS is the distance to the strapRFL>Separate-Pair, Single-SectionOperation RFL>Separate-Pair, Multi-SectionOperation3M Dynatel Advanced Modular System 965AMS 5.Press Setup to define the sections RFL>Separate-Pair, Multi-SectionOperationMeasurement Functions 3M Dynatel Advanced Modular System 965AMSRFL>Separate-Pair, Multi-SectionOperation 3M Dynatel Advanced Modular System 965AMSRFL>Separate-Pair, Multi-SectionOperation 8. Use the blue keys to enterthe section length Press Select to move toRFL>Separate-Pair, Multi-SectionOperation 3M Dynatel Advanced Modular System 965AMSRFL>Separate-Pair, Multi-SectionOperation 13.Use the up and down arrow keys to select the nextPress OK to return to the Multiple Gauge screen RFL>Separate-Pair, Multi-SectionOperation3M Dynatel Advanced Modular System 965AMS 18. Press Test to review the settings RFL>Separate-Pair, Multi-SectionOperation17. Press OK again to return to the main RFL screenRFL>Separate-Pair, Multi-SectionOperation 3M Dynatel Advanced Modular System 965AMSRFL Separate-Pair, Multi-SectionOperation DTS is the distance to the strapRFL>Single-Pair, Single-SectionOperation 3M Dynatel Advanced Modular System 965AMSMeasurement Functions RFL>Single-Pair, Single-SectionOperation3M Dynatel Advanced Modular System 965AMS RFL>Single-Pair, Single-SectionOperation 3M Dynatel Advanced Modular System 965AMS8.Enter the temperature using the blue keys 9. Press Test to review the settingsRFL>Single-Pair, Single-SectionOperation Press OK to return to the main RFL screenRFL>Single-Pair, Single-SectionOperation 3M Dynatel Advanced Modular System 965AMSRFL>Single-Pair, Single-SectionOperation 14. Press Convert to distance to1. Use the Auto test Measurement Functions RFL>Single Pair, Multi-SectionOperation3M Dynatel Advanced Modular System 965AMS RFL>Single Pair, Multi-SectionOperation 3M Dynatel Advanced Modular System 965AMSRFL>Single Pair, Multi-SectionOperation 8. Use the blue keys to enterthe section length Press Select to move toRFL>Single Pair, Multi-SectionOperation 3M Dynatel Advanced Modular System 965AMSRFL>Single Pair, Multi-SectionOperation Measurement FunctionsRFL>Single Pair, Multi-SectionOperation 3M Dynatel Advanced Modular System 965AMSRFL>Single Pair, Multi-SectionOperation 17. Press OK again to returnto the main RFL screen Measurement FunctionsRFL>Single Pair, Multi-SectionOperation 3M Dynatel Advanced Modular System 965AMSRFL>Single Pair, Multi-SectionOperation RFL>Wet Pulp RFL>Wet Pulp>Hook-UpRFL>Wet Pulp> Requirements RFL>Wet Pulp>Operationthe temperature field RFL Wet Pulp OperationPress Select or Press OK to continueRFL>Wet Pulp>Operation Press Start to start the testRFL>Wet Pulp>Error Screens RFL>Wet Pulp>OperationRFL>Wet Pulp>Error Screens 2. The strap at the far-endis open. There should be a solid short at the far-endDSL>DSL Loss DSL Digital Subscriber LineDSL>DSL Loss>Hook-Up DSL>DSL Loss>Operation DSL>DSL Loss>Operation 5. Press OK to make themeasurement Measurement FunctionsDSL>DSL Loss>Application Notes DSL>DSL Noise DSL>DSL Noise>Hook-UpDSL>DSL Noise>Operation Ring B4.Press OK when finished DSL>DSL Noise>OperationMeasurement Functions 3M Dynatel Advanced Modular System 965AMSmeasure longitudinal noise measure metallic noiseDSL DSL Noise Operation Measurement FunctionsDSL>DSL Noise>Application Notes Shorted InternallyDSL>DSL Spectrum Analyzer>Hook-Up DSL>DSL Spectrum AnalyzerDSL>DSL Spectrum Analyzer>Operation DSL>DSL Spectrum Analyzer>Operation 3.Press Span to change the frequency rangeDSL DSL Spectrum Analyzer Operation ADSL Upstream T1 HDSL ISDNMeasurement Functions 3M Dynatel Advanced Modular System 965AMSCenter Frequencies DSL>DSL Spectrum Analyzer>Application NotesVDSL Spectrum DSL>Resistance Balance>Hook-Up DSL>Resistance BalanceDSL>Resistance Balance>Operation DSL>Resistance Balance>Application Notes DSL>Resistance Balance>Recommended ValuesDSL>Resistance Balance>Operation DSL DSL Impulse Noise Hook-Up DSL>DSL Impulse NoiseDSL>DSL Impulse Noise>Operation 4.Press OK when finished 6. Press Setup to select Count Threshold Time7. Press OK when finished DSL>DSL Impulse Noise>Operation9. Press Setup to return to the setup screen 8. Press Restart to begin anew test Measurement FunctionsDSL>DSL Impulse Noise>Application Notes TDR>Event Recognition Fault Icons “Dip” EventsTDR Setup 2.Press Setup1.Press the blue key to enter the TDR mode Measurement FunctionsTDR>Setup You can choose to startTDR Single Trace Mode Hook-Up TDR>Single Trace ModeTDR>Single Trace Mode>Operation 6.This trace shows a resistive fault at 219 feet TDR>Dual Trace Mode>Hook-Up TDR>Dual Trace ModeTDR>Dual Trace Mode>Operation TDR>Differential>Hook-Up TDR>DifferentialTDR>Dual Trace Mode>Operation TDR Differential Operation TDR>Crosstalk>Hook-Up TDR>CrosstalkTDR>Crosstalk>Operation TDR>Memory Mode>Hook-Up TDR>Memory ModeTDR>Crosstalk>Operation TDR>Memory Mode>Operation 3. Press the View key to TDR>Peak Mode>Hook-Up TDR>Peak ModeTDR>Peak Mode>Operation TDR>Peak Mode>Operation 4. If the pair being testedCable Length TDR>ControlsScreen Pan TDR>Controls FilterVelocity of Propagation 3M Dynatel Advanced Modular System 965AMSPulse Width TDR>ControlsGain TDR>Controls TDR Save4.The data entered into each field will remain present for every saved result until explicitly changed or cleared. In this way information that is infrequently changed such as the Tech ID does not need to be re-keyedevery time. These two fields are appended to the TDR trace results when they are printed or stored in the PC Link software TDR>ControlsPOTS Loss POTSPOTS Loss Hook-Up POTS>Loss>Operation standard telephonePress Setup to select or edit numbers from memory POTS>Loss>OperationMeasurement Functions 3M Dynatel Advanced Modular System 965AMSc. Press Select POTS>Loss>Operation e. Press Dial to begin the test4. Point to Point Measurements b.Verify that both ends of the circuit are on thePOTS>Noise>Hook-Up POTS>NoisePOTS>Noise>Operation POTS>Noise>Operation 1. Use the blue keys toPOTS>Noise>Operation a. Use the up and down arrow keys to find the quiet line number for the central office you want to measured. Press POTS>Longitudinal Balance POTS Longitudinal Balance Hook-UpRing B Tip APOTS>Longitudinal Balance>Operation Measurement Functions POTS>Longitudinal Balance>Operation3M Dynatel Advanced Modular System 965AMS c. Press Select to POTS>Load Coils POTS>Longitudinal Balance>OperationPOTS>Load Coils>Hook-Up POTS>Load Coils>OperationRing B Tip APOTS>Load Coils>Operation Press OK to return to Load Coil screen5. Press Test to start the test Measurement FunctionsPOTS>Caller ID>Hook-Up POTS Caller IDPOTS>Load Coils>Operation POTS>Caller ID>Operation POTS Ringers Hook-Up POTS>RingersPOTS>Ringers>Operation POTS>Level Trace POTS>Ringers>OperationPOTS>Level Trace>Hook-Up POTS>Level Trace>OperationPOTS>Level Trace>Operation 5. This trace shows one load coil at 18,000 feetPOTS Kick Test Hook-Up POTS>Kick TestPOTS>Kick Test>Operation 2. Press Setup to enter the POTS>Kick Test>Operationtype of cable Press OK to start the testPOTS>Voice Band Spectrum Analyzer POTS>Voice Band Spectrum Analyzer>Hook-UpPOTS>Kick Test>Operation Ring BPOTS>Voice Band Spectrum Analyzer>Operation Auto Test Active POTS Auto TestAuto Test>Active POTS>Hook-Up Auto Test>Active POTS>Operation Auto Test>Active POTS>Operation 3M Dynatel Advanced Modular System 965AMSmethod. The default is loop 5. PressSelect to move to the loop start-groundstartAuto Test>Active POTS>Operation 3M Dynatel Advanced Modular System 965AMS9. Press Select to move to Auto Test>Active POTS>Operation 13.Press Val. to see the actual test resultsAuto Test>Vacant POTS Auto Test>Vacant POTS>Hook-UpAuto Test>Vacant POTS>Operation Auto Test>Vacant POTS>Operation 3. Press Select to move toAuto Test>Vacant POTS>Operation 9. Press Value to see the actual test resultsAuto Test>Vacant Wideband Measurement FunctionsInsertion SingleAuto Test>Vacant Wideband>Setup Auto Test>Vacant Wideband>Hook-UpRing B Tip AAuto Test>Vacant Wideband>Setup 2. Press Select to select thegauge of your cable. Use the up and down arrowAuto Test>Vacant Wideband>Setup Press OK to return to the main Auto Test screenAuto Test>Vacant Wideband>Setup 6. Press Test Pair 1 to start thesymbols Auto Test>Vacant Wideband>Setup9. Press Pass/Fail to see only the OK, Yield, or StopAuto Test>Expert Pair Test Auto Test>Expert Pair Test>FeaturesMeasurement Functions Auto Test>Expert Pair Test>Hook-Up Auto Test>Expert Pair Test>OperationRing B Tip AAuto Test>Expert Pair Test>Operation Press SelectPress OK Measurement Functions6. Test results Auto Test>Expert Pair Test>OperationMeasurement Functions 3M Dynatel Advanced Modular System 965AMSMeasurement Functions Auto Test>Expert Pair Test>Operation3M Dynatel Advanced Modular System 965AMS Talk Set>Setup Talk SetTalk Set Hook-Up Ring BTalk Set Setup #neededTalk Set Setup 8. Press OK to save thisTalk Set>Setup Talk Set>OperationNote: Ground start Talk Set>Operation MicrophoneSpeaker Measurement FunctionsTalk Set>Applications Talk Set>OperationCare & Maintenance System ModesDC Charger AC ChargerCare & Maintenance System Reset Level of ChargeBattery Pack 1.Power down the unit3.Remove the battery cover 4.Unplug the battery connectorBattery Pack 5. Plug in the new battery connector6.Place the battery in the compartment 7.Replace the cover 8.Tighten the screwsBattery Holder Test LeadsSelf-TestBoard>Check Opens Self-TestBoard3965AMS Self-TestBoard Check RFL Performance Electrical Specifications SpecificationsSpecifications ResolutionElectrical Specifications SpecificationsResolution FunctionsElectrical Specifications SpecificationsResolution FunctionsGeneral Specifications SpecificationsContact 3M Customer and Technical Support:Repair Center: 1-800-426-8688,option Contact 3MWarranty; Limited Remedy; Limited Liability Communication Markets DivisionImportant Notice 6801 River Place Blvd