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48

Measurement Functions

3M™ Dynatel™ Advanced Modular System 965AMS

Opens>

Calibrate Cable

Use this function to measure the capacitance of a known good 
pair within a cable of known length. This value can be used as 
a ‘Calibrated Cable’(or ‘reference’) to find the distance to an 
‘open’ on the same or similar cable.

1.

Press

Setup

.

2.

Press

Calibrate Cable

.

Dynatel 965AMS-BT.indd   48

6/21/06   10:48:16 AM

Содержание Dynatel 965AMS-BT

Страница 1: ... Dynatel Advanced Modular System 965AMS BT User s Guide June 2006 Future Proof Testing Platform Dynatel 965AMS BT indd 1 6 21 06 10 47 55 AM ...

Страница 2: ...Dynatel 965AMS BT indd 2 6 21 06 10 47 55 AM ...

Страница 3: ...s 13 Set Beep Volume 16 Power Down Timeout 17 Custom Cable 18 Voltage Termination 22 Measurement Functions 24 Volts DC or AC 25 Loop Current 27 Ohms Measurements 30 Toolbox 36 Opens 45 Tone 50 RFL Resistance Fault Locate 55 DSL Digital Subscriber Line 91 TDR 102 POTS 121 Auto Test 140 Talk Set 161 Dynatel 965AMS BT indd 3 6 21 06 10 47 55 AM ...

Страница 4: ...rger 169 Level of Charge 169 Battery Pack 169 Battery Holder 172 System Reset 172 Test Leads 173 Specifications 174 Electrical Specifications 174 General Specifications 177 Replacement Items 178 Troubleshooting 179 Dynatel 965AMS BT indd 4 6 21 06 10 47 55 AM ...

Страница 5: ...s to adjust the contrast on the screen 3 F1 through F5 are the soft keys Their function is displayed in the box above the key Example To use the AC Volts press F5 4 At the beginning of each chapter there will be a wiring diagram showing the test lead hook up The screen will also show the test lead hook up 2 2 9 5 2ING 2ING ROUND ROUND 4IP 4IP 2ING 2ING 4IP 4IP Dynatel 965AMS BT indd 5 6 21 06 10 4...

Страница 6: ...choices Use the up and down arrow keys to make your choice 6 Other screens may allow you to enter information such as telephone numbers You can position the cursor by using the Left and Right arrow keys 7 This symbol indicates you should use the blue keys to enter numeric values or numbers Dynatel 965AMS BT indd 6 6 21 06 10 47 56 AM ...

Страница 7: ...hargeable NiMH battery pack The unit will also work with the AA battery pack Six AA batteries are required Dispose of the batteries per your company procedures See Care Maintenance for more information on using the rechargeable battery pack Welcome Screen This is the screen that you see when you first turn on the tester It shows the model name serial number software version selected country instal...

Страница 8: ...r greater has been detected between the test leads when not in the Voltage Mode The tester has opened an internal relay to protect itself from damage Use standard safety practices for disconnecting the test leads since high voltage may be present Press OK to restart the 965AMS Dynatel 965AMS BT indd 8 6 21 06 10 47 56 AM ...

Страница 9: ...al port or press Bluetooth to upload results with a wireless connection Country 1 Use the Country setup to configure the tester for a specific country Selecting a new country will configure the tester with the setups for language units clock format wire gauges and cable types for that particular country Press Change to make changes or to review the current settings Dynatel 965AMS BT indd 9 6 21 06...

Страница 10: ...asked to confirm or cancel your selection Press OK to continue or press to quit without making changes Language 1 Use the Language setup to change only the language in the tester Country specific default values are not affected Use the up and down arrow keys to highlight a new language Press OK to continue or press to quit without making changes Dynatel 965AMS BT indd 10 6 21 06 10 47 57 AM ...

Страница 11: ... 965AMS System Setup Units 1 Use the Units menu to change the Units of Measure Use the up and down arrow keys to highlight Units Press Change to continue or press to quit without making changes Dynatel 965AMS BT indd 11 6 21 06 10 47 58 AM ...

Страница 12: ...he US and Canada Use the CCITT also called Psophometric filter in all other countries The 965AMS tester features a dBrnP filter for noise tests in New Zealand To set the default noise filter to dBrnP set Filter option to CCITT This filter is used only in units sold in New Zealand for all other countries the CCITT option uses a dBrnOp filter Noise test results will be displayed as dBrnP TDR Vp Velo...

Страница 13: ...the Clock Settings menu to select the clock format and to set the correct time Use the up and down arrow keys to highlight Units Press OK to continue or press to quit without making changes 2 Use the blue keys to enter the correct date Dynatel 965AMS BT indd 13 6 21 06 10 47 59 AM ...

Страница 14: ...anced Modular System 965AMS Clock Settings 3 Press Select then enter the correct time using the blue keys 4 Press Select to enter the date format Choose month day year or day month year Dynatel 965AMS BT indd 14 6 21 06 10 47 59 AM ...

Страница 15: ...ings 5 Press Select to choose the 12 hour or 24 hour format Use the up and down arrow keys to select the format If you choose the 12 hour format press a m or p m Note Press OK at any time that you have completed your updates Dynatel 965AMS BT indd 15 6 21 06 10 47 59 AM ...

Страница 16: ... change the Set Beep Volume Use the up and down arrow keys to highlight Set Beep Volume Press Change to continue or press to quit without making changes 2 Use the up and down arrow keys to change the beep volume Press OK to save this volume setting Dynatel 965AMS BT indd 16 6 21 06 10 48 00 AM ...

Страница 17: ...nge the Power Down Timeout Use the up and down arrow keys to highlight Power Down Timeout Press Change to continue or press to quit without making changes 2 Use the up and down arrow keys to select the timeout you want to use Press OK to save your choice Dynatel 965AMS BT indd 17 6 21 06 10 48 01 AM ...

Страница 18: ...ble you are using on a regular basis that has capacitance values that are different from existing cables 1 Press the blue key to enter the Opens measurement function 2 Press Setup to enter the Setup menu 3 Use the up and down arrow keys to select Custom 1 or Custom 2 Press Edit Custom Dynatel 965AMS BT indd 18 6 21 06 10 48 01 AM ...

Страница 19: ... System 965AMS System Setup Custom Cable 4 Use the blue keys to enter the capacitance to ground Press Select Mutual 5 Use the blue keys to enter the mutual capacitance Press Select Ohms Dynatel 965AMS BT indd 19 6 21 06 10 48 02 AM ...

Страница 20: ... 965AMS Custom Cable 6 Use the blue keys to enter ohms per thousand feet Press Select Velocity 7 Use the blue keys to enter the velocity propagation If you do not know this value use 0 68 Press Select Cable Dynatel 965AMS BT indd 20 6 21 06 10 48 03 AM ...

Страница 21: ...Dynatel Advanced Modular System 965AMS System Setup Custom Cable 8 Use the up and down arrow keys to select Custom 1 or Custom 2 Press OK to save the custom cable Dynatel 965AMS BT indd 21 6 21 06 10 48 03 AM ...

Страница 22: ...er some legacy systems use voltage measurement systems with input impedances of 100Kohms This option is provided to maintain measurement compatibility with those systems If 100Kohm termination is selected the 965AMS tester will display 100K on the voltage measurement Use this menu to change the Voltage Termination Use the up and down arrow keys to highlight Voltage Termination Press Change to cont...

Страница 23: ...anced Modular System 965AMS System Setup Voltage Termination 2 Use the up and down arrow keys to select the Voltage Termination you want to use Press OK to save your choice Dynatel 965AMS BT indd 23 6 21 06 10 48 03 AM ...

Страница 24: ... Calibrate Stored Results and Ohms to Distance Calculator Opens distance measurement Send Tones Resistance Fault Locate Distance measurement to a resistive fault DSL Loss and Noise plus the Spectrum Analyzer and Resistance Balance Time Domain Reflectrometer TDR POTS Loss Noise Longitudenal Balance Load Coil Counter and Caller ID Automatic testing of circuits using Expert Pair Tests Talk Set Dynate...

Страница 25: ... 2ING 2ING ROUND ROUND 4IP 4IP Volts DC or AC Operation 1 Press the blue key to start the voltage measurement function 2 This screen displays the T R voltage in the larger active measurement box 3 Press Tip Gnd to display the T G voltage The T R measurement will be saved on the screen in a smaller box until a new measurement updates the screen Dynatel 965AMS BT indd 25 6 21 06 10 48 05 AM ...

Страница 26: ...il a new measurement updates the screen 5 All measurements are erased when you exit this function Volts DC or AC AC Volts 1 Press AC Volts to measure AC volts AC Normal Range Active Line 1 R G and T G should have the same AC voltage If they are not equal the pair will probably have noise 2 T R should be 0 volts Note Maximum voltage 300 volts DC 250 volts AC Dynatel 965AMS BT indd 26 6 21 06 10 48 ...

Страница 27: ... active line Loop Current Hook Up 2 2ING 2ING 4IP 4IP Loop Current Operation 1 Press the blue key to start this test 2 This is a continuous measurement until you disconnect the test leads or choose another function Normal Measurements OK Marginal Not OK Current 23mA 20 23mA 20mA Dynatel 965AMS BT indd 27 6 21 06 10 48 06 AM ...

Страница 28: ...nd eliminating the source of the high current Disconnect all test leads then press Retest to continue Loop Current Ground Resistance The Ground Resistance function compares the customer protector ground resistance to an active central office pair Note The Ground Resistance function only works with central offices with the Tip connected to ground Loop Current Ground Resistance Hook Up 2 2 2ING 2ING...

Страница 29: ...esistance Operation 1 Press Ground Resistance to access the Ground Resistance function 2 Press Test to start the test The results will be displayed in the box in the center of the screen This is a continuous test Normal Measurements 0 7 to 25 7 Dynatel 965AMS BT indd 29 6 21 06 10 48 07 AM ...

Страница 30: ...nd ground This function can also measure the resistance of the Tip and Ring loop or individual wires Ohms Measurements Hook Up 2 2 2ING 2ING ROUND ROUND 4IP 4IP Ohms Measurements Operation 1 Press the blue key to start the ohms measurement function 2 This screen displays the T R resistance in the larger active measurement box Dynatel 965AMS BT indd 30 6 21 06 10 48 08 AM ...

Страница 31: ... until a new measurement updates the screen 3 Press Ring Gnd to display the Ring Ground resistance The T G measurement will be saved on the screen in a smaller box until a new measurement updates the screen 5 All measurements are erased when you exit this function Normal Range POTS Insulation Resistance OK Marginal Not OK Insulation Resistance 3 M7 3 k7 to 3 M7 3 k7 Dynatel 965AMS BT indd 31 6 21 ...

Страница 32: ... Turn Off V Comp to turn off voltage compensation Ohms Measurements Soak Test The Soak Test function can determine if the source of a resistive fault is caused by moisture corrosion or pure resistance Press Soak Test to access the Soak Test menu NOTE The Soak Test function will not work properly if there is voltage on the line Voltage Compensation does not apply to the Soak Test Dynatel 965AMS BT ...

Страница 33: ...e of the fault 3 One of the properties of moisture in a circuit is the current from the ohmmeter can dry out the moisture The ohmmeter will first show a lower resistance then after one or two minutes the resistance will increase to a higher reading This indicates the fault is caused by moisture Note This is not an acceptable procedure to dry a fault Initial Reading Reading After 1 or 2 Minutes Dyn...

Страница 34: ...rrent flowing through the corrosion will cause the corrosion to become a better conductor The ohmmeter will show a lower resistance reading if corrosion is the cause Initial Reading Reading After 1 or 2 Minutes 5 If the resistance value does not change the fault is a pure resistive fault Dynatel 965AMS BT indd 34 6 21 06 10 48 09 AM ...

Страница 35: ...ement Functions Ohms Measurements Soak Test 6 Use Go To Positive Voltage and Go To Negative Voltage to reverse the voltage polarity Use the lowest resistance reading of the two numbers for your measurements Dynatel 965AMS BT indd 35 6 21 06 10 48 10 AM ...

Страница 36: ...lculator and 4 Upload results to PC Link Toolbox Stored Results The Stored Results function allows you to review the results of previously saved tests Toolbox Stored Results Operation 1 Press the blue key to enter the Toolbox function Use the up and down arrow keys to select the Stored Results function Press OK to save your choice Dynatel 965AMS BT indd 36 6 21 06 10 48 10 AM ...

Страница 37: ...splayed The ID number is like a file folder and each test result is like a file The name of the file is the time and date stamp that is generated by the tester Press View to see the list of files 3 This screen shows the contents of the file Press Delete Result to delete one file or press Delete Folder to delete all files in the folder Dynatel 965AMS BT indd 37 6 21 06 10 48 11 AM ...

Страница 38: ...first full battery charge before you put the tester in service for the first time Anytime the working temperature changes by more than 35 F 20 C Calibrate the 965AMS tester at the same temperature at which it will be used After changing the batteries or anytime the battery pack completely discharges Toolbox Self Calibrate Hook Up 2 2 9 5 2ING 2ING ROUND ROUND 4IP 4IP 2ING 2ING 4IP 4IP Dynatel 965A...

Страница 39: ... Self Calibrate Operation 1 Press the blue key to enter the Toolbox function 2 Use the up and down arrow keys to select the Self Calibrate function Press OK to save your choice 3 The calibration may take up to 1 minute to complete Dynatel 965AMS BT indd 39 6 21 06 10 48 11 AM ...

Страница 40: ... on temperature and wire gauge Toolbox Ohms to Distance Calculator Operation 1 Press the blue key to enter the Toolbox function 2 Use the up and down arrow keys to select the Ohms to Distance Calculator Press OK to save your choice 3 Use the blue keys to enter the Ohms value Press Select to save and highlight the wire gauge selection Dynatel 965AMS BT indd 40 6 21 06 10 48 12 AM ...

Страница 41: ...unctions Toolbox Ohms to Distance Calculator Operation 4 Use the up and down arrow keys to select the wire gauge Press Select to save and highlight the temperature field 5 Use the blue keys to enter the temperature Dynatel 965AMS BT indd 41 6 21 06 10 48 13 AM ...

Страница 42: ...t to convert a distance to an Ohms value Toolbox PC Link The PC Link function allows you to upload stored test results from the 965AMS tester to your PC or laptop PC Link can be used either with the 3M Dynatel Advanced Modular System 965AMS Serial Cable 1190 or via a Bluetooth connection Download the PC Link software from www 3m com dynatel Dynatel 965AMS BT indd 42 6 21 06 10 48 13 AM ...

Страница 43: ...will be uploading stored test results Toolbox PC Link Bluetooth Hookup 1 The receiving PC or laptop must be equipped with Bluetooth wireless technology and software 2 Use the Bluetooth manager in the receiving PC or laptop to establish a connection to the 965AMS tester using the Serial Port Profile SSP In the process the Bluetooth manager will assign a serial port number to the wireless connection...

Страница 44: ...e Screen Press RS 232 Control to upload results with a serial port or press Bluetooth to upload results with a wireless connection 2 Press the blue key to enter the Toolbox function 3 Use the up and down arrow keys to select Upload to PC Link Press OK to save your choice Dynatel 965AMS BT indd 44 6 21 06 10 48 14 AM ...

Страница 45: ...the up and down arrow keys to select the file to upload Press Upload to transfer the file Opens Opens measures the distance to an open circuit This could be a broken wire a cut pair or the end of the circuit Opens Hook Up 2 2 2ING 2ING ROUND ROUND 4IP 4IP Dynatel 965AMS BT indd 45 6 21 06 10 48 14 AM ...

Страница 46: ...t function 2 Press Setup to enter the Setup menu 3 Use the up and down arrow keys to choose the type of cable that best describes your cable Press OK to save your choice 4 This screen displays the T R distance in the larger active measurement box Press Tip Gnd to display the T G distance Dynatel 965AMS BT indd 46 6 21 06 10 48 15 AM ...

Страница 47: ...7 All measurements are erased when you exit this function Normal Range A good pair should have the T G R G and T R within about 5 of each other If they are not within 2 the shortest distance will be the location of the fault and the other distances will not provide accurate distances Typically this will be an open ground bond or a broken Tip or Ring Note Opens is more accurate if other cable pairs...

Страница 48: ...this function to measure the capacitance of a known good pair within a cable of known length This value can be used as a Calibrated Cable or reference to find the distance to an open on the same or similar cable 1 Press Setup 2 Press Calibrate Cable Dynatel 965AMS BT indd 48 6 21 06 10 48 16 AM ...

Страница 49: ...e 3 Use the blue keys to enter the known distance Press Measure 4 The screen will display the measured capacitance per distance for the reference pair Note A Yield sign indicates that the Ring to ground and Tip to ground differ by more than 5 Dynatel 965AMS BT indd 49 6 21 06 10 48 16 AM ...

Страница 50: ...e Use Tone to send a tone on a pair Tone Set Up 2 2 2ING 2ING ROUND ROUND 4IP 4IP Tone Operation 1 Press the blue key to enter the Tone function 2 Use the up and down arrow keys to highlight the frequency that you want to use Dynatel 965AMS BT indd 50 6 21 06 10 48 17 AM ...

Страница 51: ...51 3M Dynatel Advanced Modular System 965AMS Measurement Functions Tone Operation 3 Press Send Tone to send the tone 4 Press Stop Tone to stop the tone Dynatel 965AMS BT indd 51 6 21 06 10 48 17 AM ...

Страница 52: ...n edit any of the 10 frequencies and change to a new frequency 1 Use the up and down arrow keys to select one of the frequencies to change 2 Frequency Range ID 200 Hz and 1 000 Hz Precision 200 Hz and 19 999 Hz Wideband 20 kHz and 2200 kHz 3 For this example we will replace 196 kHz with 138 kHz Use the up and down arrow keys to select Wideband Tone Dynatel 965AMS BT indd 52 6 21 06 10 48 17 AM ...

Страница 53: ...ion Tone and Wideband Tone Tone Applications ID Tone 1 Use the ID Tone for pair identification and tone coiling 2 The ID tone is always an interrupted tone 3 The frequency is adjustable between 200 Hz and 1 000 Hz 4 The 965AMS tester automatically goes off hook when an ID tone is sent 5 The volume control on the 965AMS controls the volume you hear but the output to the far end is set at a fixed le...

Страница 54: ...impedance is fixed at 6007 7 Press Send Tone to send the ID tone 8 Press Stop Tone to stop the Precision tone Tone Application Wideband Tone 1 Use the Wideband Tone to send a tone to the other end of a wideband circuit to measure the signal loss 2 Use another 965AMS tester to receive the tone 3 Press the blue key then select DSL Loss 2 The output frequency of the Wideband tone is adjustable betwee...

Страница 55: ...tions where you have a short or ground in an aerial cable or a direct buried cable 2 Single Pair requires that the Good wire is the same gauge and length as the faulted wire Single Pair is appropriate for situations where you are looking for the fault to be in the nearest pedestal 3 RFL has the ability to find the distance to a short or ground using a single section of cable or a section with mult...

Страница 56: ... 5 3TRAP ROUND ROUND 2ING OOD 2ING OOD 4IP OOD 4IP OOD AULT Short Separate Pair 2 9 5 2ING AULT 2ING AULT 4IP AULT 4IP AULT 2ING OOD 2ING OOD 4IP OOD 4IP OOD AULT 3TRAP Ring Ground Separate Pair 2 2 9 5 2ING AULT 2ING AULT ROUND ROUND 2ING OOD 2ING OOD 4IP OOD 4IP OOD AULT 3TRAP Dynatel 965AMS BT indd 56 6 21 06 10 48 19 AM ...

Страница 57: ... 4IP AULT 2ING OOD 2ING OOD 4IP OOD 4IP OOD AULT 3TRAP Ring Cross Single Pair 2 2 2ING 2ING ROUND ROUND 4IP 4IP 3TRAP AULT Tip Cross Single Pair 2 2 2ING OOD 2ING OOD ROUND ROUND 4IP AULT 4IP AULT 3TRAP AULT Short Single Pair 2 5 2ING AULT 2ING AULT 4IP AULT 4IP AULT OOD OOD AULT 3TRAP Dynatel 965AMS BT indd 57 6 21 06 10 48 21 AM ...

Страница 58: ... 2 2ING OOD 2ING OOD ROUND ROUND 4IP AULT 4IP AULT AULT 3TRAP Ring Ground Single Pair 2 2 2ING AULT 2ING AULT ROUND ROUND 4IP OOD 4IP OOD AULT 3TRAP RFL Separate Pair Single Section Operation 1 Use the Auto test or the Ohmmeter to determine the type of fault Dynatel 965AMS BT indd 58 6 21 06 10 48 22 AM ...

Страница 59: ... the up and down arrow keys are in the Fault section Use the up and down arrow keys to select the type of fault that you have The options include Tip Cross Ring Cross Wet Pulp T G R G Short This example will show a Ring Ground fault 3 Press Select to move to the Pair section Use the up and down arrow keys to select Separate Pair Dynatel 965AMS BT indd 59 6 21 06 10 48 22 AM ...

Страница 60: ...em 965AMS RFL Separate Pair Single Section Operation 4 Press Select to move to the Multiple Single section Use the up and down arrow keys to select Single Section 5 Press Setup to choose the measurement parameters Dynatel 965AMS BT indd 60 6 21 06 10 48 23 AM ...

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