3M Dynatel 965AMS Instructions Manual Download Page 59 | Manualshive

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179

3M™ Dynatel™ Advanced Modular System 965AMS

Troubleshooting

Troubleshooting

Many apparent failures with the 965AMS tester can be corrected
by simple procedures.

Symptom

Cause

Solution

Unit does not turn on

Discharged battery pack.

Charge battery pack.

NiMH battery pack old.

Replace battery pack.

Screen goes blank

Battery voltage low.

Charge battery pack.

Dark lines across screen Battery voltage low.

Charge battery pack.

Error Messages

Battery voltage low.

Charge battery pack.

Inaccurate results

Battery voltage low.

Charge battery pack.

Test lead broken.

Replace test lead.

Improper connections.

Check connections.

No results

Test lead broken.

Replace test lead.

Improper connections.

See on-screen hookups.

Resistance <999 M

7

when test leads open.

Test leads dirty.

Clean test leads.

Error messages during
Self-Calibration.

Test Leads not shorted
properly when prompted.

Check connections.

Test leads broken.

Check test leads.

If the above solutions do not fix the problem, the 965AMS tester
may need repair. Please make a note of the conditions when any
failure occurred and record any error messages that may have
appeared on the screen, then call 3M Telecom Repair Service at
1-800-426-8688 and select option 2 (in the US or Canada), or
call your local 3M representative in other countries for further
details on repair service.

Dynatel 965AMS-BT.indd 179

6/21/06 10:49:25 AM

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Summary of Contents for Dynatel 965AMS

Page 1: ...l Trace POTS Loss Use Loss to measure the loss from the far end of a circuit to the near end using a precision tone between 200 Hz and 20kHz Note You must use a device at the far end to generate the tone This could be the milliwatt number in the central office or an 965AMS set to the tone mode POTS Loss Hook Up 2 2 2ING 2ING ROUND ROUND 4IP 4IP Dynatel 965AMS BT indd 121 6 21 06 10 48 56 AM ...

Page 2: ...e the up and down arrow keys to select Loss 2 Press OK to start the test 3 Dial a milliwatt number There are 2 ways to enter the milliwatt numbers 1 Use the blue keys to enter the number just like you were dialing a standard telephone Press Dial when you have entered all of the digits Dynatel 965AMS BT indd 122 6 21 06 10 48 57 AM ...

Page 3: ... up to 10 numbers in the quiet line memory list Press Setup to select or edit numbers from memory a Use the up and down arrow keys to find the quiet line number for the central office you want to measure b Use Edit Number to add new numbers or to edit existing numbers using the blue keys Dynatel 965AMS BT indd 123 6 21 06 10 48 58 AM ...

Page 4: ...ing section Use the Up and Down arrow keys to select a dialing method DTMF pulsing is the default value d Press Select to move to the loop start ground start section Use the Up and Down arrow keys to select a method The default is loop start Press OK to return to the main Dial Noise screen Dynatel 965AMS BT indd 124 6 21 06 10 48 59 AM ...

Page 5: ...int to Point Measurements 1 Use a 965AMS tester or a 965DSP tester set to the tone mode 2 Verify that both ends of the circuit are on the same frequency 3 Press Send Tone at the sending end 4 Press Measure at the receiving end 5 Results screen POTS Loss Measurement Normal Range Dynatel 965AMS BT indd 125 6 21 06 10 48 59 AM ...

Page 6: ...80 20 30 30 dBmC POTS Noise Use Noise to measure the Noise Power Influence and the calculated Balance of a pair POTS Noise Hook Up 2 2 2ING 2ING ROUND ROUND 4IP 4IP POTS Noise Operation 1 Press the blue key to enter POTS menu Use the up and down arrow keys to select Noise 2 Press OK to start the test Dynatel 965AMS BT indd 126 6 21 06 10 49 00 AM ...

Page 7: ...er just like you were dialing a standard telephone If you have a combination milliwatt and quiet line enter the number 3 as the telephone number This will provide the proper termination for the noise measurement Press Dial when you have entered all of the digits 2 Or use the memory mode Up to 10 numbers can be stored in the quiet line memory list Press Setup to select or edit numbers from memory D...

Page 8: ...t line number for the central office you want to measure b Use Edit Number to add new numbers or to edit existing numbers using the blue keys c Press Select to move to the DTMF or Pulse dialing section Use the Up and Down arrow keys to select a dialing method DTMF pulsing is the default value Dynatel 965AMS BT indd 128 6 21 06 10 49 02 AM ...

Page 9: ...tion d Press Select to move to the loop start ground start section Use the Up and Down arrow keys to select a method The default is loop start Press OK to return to the main Dial Noise screen e Press Dial to begin the test 4 Results screen Dynatel 965AMS BT indd 129 6 21 06 10 49 02 AM ...

Page 10: ...Bm Loss 8 5 8 5dBm Noise 80 20 30 30dBmC POTS Longitudinal Balance Use Longitudinal Balance to measure the active Longitudinal Balance on the pair This test measures the ability of the Tip and Ring to reject noise and crosstalk POTS Longitudinal Balance Hook Up 2 2 2ING 2ING ROUND ROUND 4IP 4IP Dynatel 965AMS BT indd 130 6 21 06 10 49 03 AM ...

Page 11: ... measurement 3 The results are displayed on the screen POTS Longitudinal Balance Normal Range Parameter OK Marginal Not OK Balance 60 50 60 50dBm Loss 8 5 8 5dBm Noise 80 20 30 30dBmC POTS Load Coils The Load Coils function counts up to five load coils on the pair and determines the distance to the first one The distance measurement requires that you specify the wire gauge of the pair Dynatel 965A...

Page 12: ...Hook Up 2 2 2ING 2ING ROUND ROUND 4IP 4IP POTS Load Coils Operation 1 Press the blue key to enter POTS menu Use the up and down arrow keys select Load Coils 2 Press OK to see the Load Coil screen 3 Press Setup to see the Load Setup Screen Dynatel 965AMS BT indd 132 6 21 06 10 49 04 AM ...

Page 13: ...ls Operation 4 Use the up and down arrow keys to select the correct wire gauge Press OK to return to Load Coil screen 5 Press Test to start the test 6 The results show 3 load coils and the first load coil is at a distance of 6 032 feet Dynatel 965AMS BT indd 133 6 21 06 10 49 05 AM ...

Page 14: ...il but you must have at least 3 000 feet of cable after each load coil for the Load Coil function to count properly POTS Caller ID Caller ID detects the Caller ID signal sent on the pair and displays date time the calling number the calling party name the signal level and the message status POTS Caller ID Hook Up 2 2ING 2ING 4IP 4IP Dynatel 965AMS BT indd 134 6 21 06 10 49 05 AM ...

Page 15: ...Press the blue key to enter the POTS menu Use the up and down arrow keys to select Caller ID 2 Press OK to start the test 3 The results of the test will be displayed on this screen Certain result boxes may be blank if the information is not available Dynatel 965AMS BT indd 135 6 21 06 10 49 05 AM ...

Page 16: ...d style mechanical ringer has a capacitance of 0 47 µF Newer phones have electronic ringers that have much lower capacitance than 0 47 µF POTS Ringers Hook Up 2 2 2ING 2ING ROUND ROUND 4IP 4IP POTS Ringers Operation 1 Press the blue key to enter the POTS menu Use the up and down arrow keys to select Ringers 2 Press OK to start the measurement Dynatel 965AMS BT indd 136 6 21 06 10 49 06 AM ...

Page 17: ...nd Tip Ground capacitance will be displayed To display the equivalent ringer count press Display Capacitance 4 Press Display Ringers to return to the previous view POTS Level Trace Use Level Trace to measure and display the AC impedance of an inactive pair as a function of frequency This test can be used to analyze a pair for loading and bridge tap problems This is NOT a continuous test Dynatel 96...

Page 18: ...on 1 Press the blue key to enter POTS menu Use the up and down arrow keys to select Level Trace Press OK to start the test 2 The result is displayed on a graph with relative impedance level displayed on the y axis in dB and the frequency on the x axis This trace shows a 12 000 foot line with no load coils Dynatel 965AMS BT indd 138 6 21 06 10 49 07 AM ...

Page 19: ...oil Note Level trace cannot calculate the distance to the load coil 4 Use the left and right soft keys to move the cursor across the graph As the cursor is moved a readout of the signal level and frequency will be displayed beneath the graph This graph shows a circuit with two load coils 5 This trace shows one load coil at 18 000 feet Dynatel 965AMS BT indd 139 6 21 06 10 49 08 AM ...

Page 20: ...t Auto Test Auto Test Active POTS Use Active POTS to perform an automatic sequence of tests on Active POTS lines The tests include DC Voltage AC Voltage Loop Current Ground Resistance Single Tone Loss Voiceband Noise metallic Voiceband Power Influence and Longitudinal Balance Auto Test Active POTS Hook Up 2 2 2ING 2ING ROUND ROUND 4IP 4IP Dynatel 965AMS BT indd 140 6 21 06 10 49 08 AM ...

Page 21: ...he blue key to enter the Auto Test function Use the up and down arrow to select Active POTS 2 Press Loss Setup to set up the telephone numbers for the milliwatt line in the central office You can store up to 10 different numbers for the central offices you work in Dynatel 965AMS BT indd 141 6 21 06 10 49 09 AM ...

Page 22: ...own in the telephone number section If you have not entered any telephone numbers in the Dial Loss function or the Talk Set function you can use Edit Number to enter the telephone number information with the blue keys 4 Press Select to move to the DTMF or Pulse dialing section Use the Up and Down arrow keys to select a dialing method DTMF is the default value Dynatel 965AMS BT indd 142 6 21 06 10 ...

Page 23: ...ve to the loop start ground start section Use the Up and Down arrow keys to select a method The default is loop start Press OK to return to the main Auto Test screen 6 Press Noise Setup to setup the telephone numbers for the quiet line termination line in the central office Dynatel 965AMS BT indd 143 6 21 06 10 49 10 AM ...

Page 24: ...ment will be taken as if it were a quite line termination 8 Central Office without a combination milliwatt and quiet line termination If you have entered telephone numbers in the Dial Loss function or the Talk Set function they will be shown in the telephone number section If you have not entered any telephone numbers in the Dial Loss function or the Talk Set function you can use Edit Number to en...

Page 25: ...Pulse dialing section Use the Up and Down arrow keys to select a dialing method DTMF is the default value 10 Press Select to move to the loop start ground start section Use the Up and Down arrow keys to select a method The default is loop start Press OK to return to the main Auto Test screen Dynatel 965AMS BT indd 145 6 21 06 10 49 11 AM ...

Page 26: ...ve POTS tests 12 Certain auto test results are compared against pass fail limits to provide a quick look at the pair condition The pass fail status is indicated in the results box by an OK for pass a Yield sign for marginal and a Stop sign for fail 13 Press Val to see the actual test results Dynatel 965AMS BT indd 146 6 21 06 10 49 12 AM ...

Page 27: ...equence of tests on Vacant POTS lines When you use the 3M Dynatel 1342 or 1343 Far End Device II the tests include DC Voltage AC Voltage DC Resistance Opens Capacitance Balance Load Coil Voice Band Loss Voice Band Noise Power Influence Longitudinal Balance Slope Resistance Balance loop and Resistance Balance diff Auto Test Vacant POTS Hook Up 2 2 2ING 2ING ROUND ROUND 4IP 4IP Dynatel 965AMS BT ind...

Page 28: ...1 Press the blue key to enter the Auto Test function Use the up and down arrow keys to select Vacant Pots Press Setup to choose the measurement parameters 2 Press Select to select the gauge of your cable Use the up and down arrow keys to select the gauge Dynatel 965AMS BT indd 148 6 21 06 10 49 13 AM ...

Page 29: ...nd down arrow keys to select your type of cable 4 Press OK to return to the main Auto Test screen 5 Using the FED II far end device can provide more information about your circuit Press FED to use the far end device 6 Press Test Pair 1 to start the test 7 The screen will display the results of the measurements Dynatel 965AMS BT indd 149 6 21 06 10 49 14 AM ...

Page 30: ...gainst pass fail limits to provide a quick look at the pair condition The pass fail status is indicated in the results box by an OK for pass a Yield sign for marginal and a Stop sign for fail 9 Press Value to see the actual test results 10 Press Pass Fail to see only the OK Yield or Fail symbols Dynatel 965AMS BT indd 150 6 21 06 10 49 15 AM ...

Page 31: ...y Sweep Frequencies Pots 1004 Hz 404 804 1004 1204 1404 1604 1804 2004 2804 3004 Hz 56k 28 kHz 20 28 32 40 48 82 kHz 64k 32 kHz 20 28 32 40 48 82 kHz ISDN 40 kHz 20 28 32 40 48 60 70 82 kHz HDSL 196 kHz 20 30 50 70 90 110 130 196 400 kHz T1 772 kHz 200 400 500 700 772 1024 kHz E1 1024 kHz 200 400 500 700 772 1024 kHz ADSL 138 kHz 20 30 50 69 90 110 138 276 400 600 800 1000 1100 kHz H2 4ACC 196 kHz...

Page 32: ...ideband Hook Up 2 2 2ING 2ING ROUND ROUND 4IP 4IP Auto Test Vacant Wideband Setup 1 Press the blue key to enter the Auto Test function Use the up and down arrow keys to select Vacant Wideband Press Setup to choose the measurement parameters Dynatel 965AMS BT indd 152 6 21 06 10 49 15 AM ...

Page 33: ...est Vacant Wideband Setup 2 Press Select to select the gauge of your cable Use the up and down arrow keys to select the gauge 3 Press Select to move to the type of cable Use the up and down arrow keys to select your type of cable Dynatel 965AMS BT indd 153 6 21 06 10 49 16 AM ...

Page 34: ...4 Press Select to move to the service type Use the up and down arrow keys to choose the type of service 5 Press Select to move to the termination type Use the up and down arrow keys to choose the termination Press OK to return to the main Auto Test screen Dynatel 965AMS BT indd 154 6 21 06 10 49 17 AM ...

Page 35: ...he test 7 Certain auto test results are compared against pass fail limits to provide a quick look at the pair condition The pass fail status is indicated in the results box by an OK for pass a Yield sign for marginal and a Stop sign for fail 8 Press Val to see the actual test results Dynatel 965AMS BT indd 155 6 21 06 10 49 17 AM ...

Page 36: ... System 965AMS Auto Test Vacant Wideband Setup 9 Press Pass Fail to see only the OK Yield or Fail symbols 10 Press WB Slope to see the graph of the slope 11 Press OK to return to the main Test Results screen Dynatel 965AMS BT indd 156 6 21 06 10 49 18 AM ...

Page 37: ...ED Identification w o FED Location w o FED Working Pair Yes NA Yes NA Good Pair Yes Length Yes Length T R Reversal Yes No No No Light T R Short Yes NA Yes No Solid T R Short Yes Yes Yes Yes Solid T Ground Yes Yes Yes No Solid R Gound Yes Yes Yes No High T Ground Yes Yes Yes No High R Ground Yes Yes Yes No T Battery Cross Yes Yes Yes No R Battery Cross Yes Yes Yes No T Complete Open Yes Yes Yes Yes...

Page 38: ... Test Hook Up 2 2 2ING 2ING ROUND ROUND 4IP 4IP Auto Test Expert Pair Test Operation 1 Press the blue key to enter the Auto Test function Use the up and down arrow keys to select Expert Pair Test Press Setup to choose the measurement parameters Dynatel 965AMS BT indd 158 6 21 06 10 49 19 AM ...

Page 39: ...965AMS Measurement Functions Auto Test Expert Pair Test Operation 2 Use the up and down keys to select the wire gauge Press Select 3 Use the up and down keys to select the type of cable Press OK Dynatel 965AMS BT indd 159 6 21 06 10 49 19 AM ...

Page 40: ...el Advanced Modular System 965AMS Auto Test Expert Pair Test Operation 4 Press Test Pair 1 5 Review the screen for the correct setup information Press Test to start the test 6 Test results Dynatel 965AMS BT indd 160 6 21 06 10 49 20 AM ...

Page 41: ...Use to exit this screen Wait for the FED to reset before you choose another screen Talk Set The Talk Set function allows you to use the 965AMS tester as a talk set on an active line to send DTMF or pulse dialing Talk Set Hook Up 2 2 2ING 2ING ROUND ROUND 4IP 4IP Dynatel 965AMS BT indd 161 6 21 06 10 49 20 AM ...

Page 42: ...stem 965AMS Talk Set Setup 1 Press the blue key to start this function 2 Press Setup 3 Use the up and down arrow keys to choose one of the 10 memory locations These locations are not numbered 4 Press Edit Number Dynatel 965AMS BT indd 162 6 21 06 10 49 21 AM ...

Page 43: ...e keys to enter the phone numbers Use the left and right arrow keys to position the number as needed 6 Use the up and down arrows to insert or delete numbers 7 Press Clear All to remove all numbers from this entry 8 Press OK to save this phone number Dynatel 965AMS BT indd 163 6 21 06 10 49 22 AM ...

Page 44: ... pulsing 10 Use the up and down arrow keys to choose DTMF or Dial Pulse DTMF is the most common 11 Press Select again to choose the type of dial tone start mode Loop start is the most common Note Ground start requires the green test lead to be connected to a grounded shield Dynatel 965AMS BT indd 164 6 21 06 10 49 22 AM ...

Page 45: ...t number dialed the DC voltage on the line and the signal format for dialing You can use the previously dialed number enter a new number using the blue keys or press Setup to use the stored number list 2 Press Off Hook to draw dial tone 3 Press Dial to dial the number Dynatel 965AMS BT indd 165 6 21 06 10 49 23 AM ...

Page 46: ...ation 4 The speaker and microphone are located on the front of the unit 3PEAKER ICROPHONE 5 The up and down arrow keys adjust the receiver volume 6 Press Mute to mute the microphone Press Talk to un mute 8 Press On Hook to end the call Dynatel 965AMS BT indd 166 6 21 06 10 49 23 AM ...

Page 47: ...al out or to receive incoming ringing tone 2 You can also use this function as a talk circuit on an inactive pair Multiple 965AMS units can be bridged together on the pair Each tester supplies it s own talk battery You cannot use the talk function and any other function at the same time Dynatel 965AMS BT indd 167 6 21 06 10 49 23 AM ...

Page 48: ... overnight 12 hours When the battery is charging a charging indicator appears when you turn on the unit If the battery does not appear to charge fully after an overnight charge simply disconnect the charger wait a few seconds until the charging indicator disappears and reconnect the charger AC Charger Use the AC charger to charge the NiMH Battery pack Plug the AC cord into the AC charger and into ...

Page 49: ... charge Four black bars in the icon indicate full charge Zero black bars indicate the battery pack is very low and should be charged immediately A warning screen appears when there are only five minutes charge left Charging efficiency is best with a temperature between 50 F 10 C and 86 F 30 C Note Do not charge the batteries at temperatures below 32 F 0 C or above 104 F 40 C Battery Pack The 965AM...

Page 50: ... Dynatel Advanced Modular System 965AMS Battery Pack 2 Place the unit upside down on a soft surface Loosen the 5 screws 3 Remove the battery cover 4 Unplug the battery connector Dynatel 965AMS BT indd 170 6 21 06 10 49 24 AM ...

Page 51: ...nt 7 Replace the cover 8 Tighten the screws Caution Battery may explode leak or catch fire if exposed to high temperatures or fire Recycle or dispose of properly To prevent injuries or burns do not allow metal objects to contact or short circuit the battery terminals Note NiMH batteries may be recycled Dynatel 965AMS BT indd 171 6 21 06 10 49 24 AM ...

Page 52: ...or work in very cold weather The alkaline battery pack is installed the same way as the NiMH battery pack Note The battery holder has protection against accidental charging of alkaline batteries System Reset There could be situations were the batteries run down and the unit will not power up Use this procedure to reset the unit 1 Charge the internal battery pack or use the AA battery pack with new...

Page 53: ...he Red Black and Green test leads are used for most measurements The Blue Yellow lead pair is used with some TDR modes not in the 965AMS B and RFL The shorting strap that comes with the unit is used with RFL Keep the test leads clean and dry at all times to insure best accuracy of the measurements Use soap and water to clean them if necessary Dynatel 965AMS BT indd 173 6 21 06 10 49 24 AM ...

Page 54: ... 0 to 1 000 m 3 000 to 10 000 ft 1 km to 3 km 10 000 to 50 000 ft 3 km to 15 km 50 000 to 100 000 ft 15 km to 30 km 1 ft 1 m 1 ft 1 m 10 ft 10 m 100 ft 100 m 1 3 ft 1 m 3 5 10 RFL Fault range Resistance to Fault no noise 0 to 20 M7 0 to 99 99 7 100 to 999 9 7 1 k to 3 k7 RTS 0 01 7 RTS 0 1 7 RTS 1 0 7 0 1 of RTS 0 01 71 0 2 of RTS 0 01 71 1 0 of RTS 0 01 71 Wet section test Loop resistance Resisti...

Page 55: ...7 1 7 1 1 7 Ohms distance calculator 0 9999 7 0 99999 ft 0 30 km 0 01 1 ft 0 1 m TDR Ranges 100 ft 200 ft 500 ft 1 000 ft 2 000 ft 5 000 ft 10 000 ft 20 000 ft 30 000 ft 30 m 60 m 150 m 300 m 600 m 1 5 km 3km 6 km 10 km 1 ft 1 m 5 nS 34 nS 135 nS 1660 nS 600 nS 0 3 range Fixed values Velocity input 0 50 to 0 99 150 to 299 m µs Modes Single trace dual trace differential memory crosstalk peak memory...

Page 56: ...m 20 k to 2 2 MHz 0 1 dB 100 Hz 1 kHz 2 dB 1 Hz 1 dB SA wideband specifications with SA option Wideband loss 100 135 7 Zin 85 to 5 dBm 20 kHz to 2 2 MHz 0 1 dB 100 Hz 1 dB 1 Hz Wideband noise metallic 100 135 7 Zin E F G G2 filters E filter 10 90 dBm F filter 20 90 dBm G filter 30 90 dBm 1 dB 1 dB 1 dB 2 dB 2 dB 2 dB Wideband spectral analysis 100 135 7 Zin Dynamic range Wideband tone output 100 1...

Page 57: ......

Page 58: ...8 6435 9 Blue Yellow Test Lead 80 6108 6436 7 Green Test Lead 80 6108 6437 5 Red Black Test Lead 80 6108 6395 5 Blue Yellow Test Lead 80 6108 6397 1 Green Test Lead 80 6108 6399 7 Ground Strap alligator 80 6109 3830 2 Ground Strap banana 80 6109 3833 6 AC Adapter 110 220 V 80 6113 1617 7 Cig Lighter Adapter 80 6109 3281 8 FED No Pin 80 6111 3261 6 FED Bed of Nails 80 6111 3262 4 Adapter Alkaline B...

Page 59: ... connections Check connections No results Test lead broken Replace test lead Improper connections See on screen hookups Resistance 999 M7 when test leads open Test leads dirty Clean test leads Error messages during Self Calibration Test Leads not shorted properly when prompted Check connections Test leads broken Check test leads If the above solutions do not fix the problem the 965AMS tester may n...

Page 60: ...MAKES NO OTHER WARRANTIES INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE If this product is defective within the warranty period stated above your exclusive remedy shall be at 3M s option to replace or repair the 3M product or refund the purchase price of the 3M product Except where prohibited by law 3M will not be liable for any indirect s...

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