3M 965DPS - Manuals

8 Welcome Screen This is the screen that you see when you first turn on the 965DSP. It shows the model name, installed options, serial number, copyright year, software version, and the selected country. The battery symbol in the upper right-hand corner of the display gives an indication of the appro...

10 Use the [Up] and [Down] keys to highlight the option. Use the [Tab] key to select the parameter for each unit of measurement. Distance: Feet or Meters. This affects all distances displayed in the 965DSP. Degrees: Fahrenheit or Centigrade. This affects all temperatures used in the 965DSP. Filter: ...

11 TDR: Vp (Velocity of Propagation) or m/µS (meters per microsecond). This affects the TDR “velocity of propagation.” Use “Vp” in the US and Canada. Use “m/µS” in other countries. Use the [Enter] key to accept any changes and return. Use the [Return] key to return to the Welcome Screen without maki...

12 Set Beep Use the Set Beep setup to turn the key beeps on or off. Use the [Tab] key to toggle between on or off. Use the [Enter] key to return. Set Clock Use the Set Clock setup to change the date and time. Use the [Tab] key to select either the date, time, or a.m./p.m. Use the [Left] and [Right] ...

13 Autotest Limits Use the Autotest setup to change the pass/fail threshold values for the Inactive Pair, Active Pair and Wideband Autotests. Use the [Up] and [Down] keys to highlight the desired Autotest parameters to modify. Press the [Enter] key to select the highlighted choice or press the [Setu...

15 Printer Use the Printer option to set the printer output type. Use the [Up] and [Down] arrow keys to select either graphics or text output, then press the [Enter] key to accept your selection and return to the Setup menu. A custom Loss Frequency (sometimes known as the “Nyquist frequency”) can be...

16 Power Down Timeout To change the power down timeout, press the [Setup] key from the Welcome screen, then select Power Down Timeout. Use the [Up] and [Down] arrow keys to select the desired timeout period, then press the [Enter] key to set that period as the default. After a period of inactivity e...

17 Edit Wire Gauge This function allows you to set up custom wire gauges to be used wherever the set uses a wire gauge menu. Press the [Setup] key from the Welcome screen, use the [Down] arrow key to scroll to Edit Wire Gauge, and then press the [Enter] key to edit. Name the custom configuration Cus...

18 Voltage Termination (supported countries only) This option allows you to select the input impedance of the 965DSP digital voltmeter. Press the [Setup] key from the Welcome screen, use the [Down] arrow key to scroll to Voltage Termination, and then press the [Enter] key to select. The input impeda...

19 If 100Kohm termination is selected, the 965DSP will display ‘100K’ on the voltage measurement screen as indicated below. User Info This selection allows you to add optional additional information to your saved records. Press the [Setup] key from the Welcome screen, use the [Down] arrow key to scr...

21 Help Press the [Help] key at any time in any screen to get help on that function. Press the [Enter] or [Return] key to return to the previous screen. High Voltage This screen indicates that a high voltage (120 Vac/ Vdc or greater) has been detected between the test leads when not in the Voltage M...

22 Press the [Tab] key to move to the next test lead configuration. The highlighted reading is “live” and the non-highlighted readings are the last values. Press the [Enter] key to switch from the DC to the AC voltage measurement. Voltage This function first measures and displays the DC voltage betw...

23 This screen indicates that a high current has been detected between the test leads and that the 965DSP has opened an internal relay to protect itself from damage. Use standard safety practices for disconnecting the test leads. Press the [Enter] key to restart the 965DSP. Fix problems before resta...

24 Resistance This function first measures the resistance between the red and black test leads. Press the [Tab] key to move to the next test lead configuration.The “V” in the upper right corner of the screen indicates that the resistance measurement compensates for C.O. voltage on the line. Press th...

25 Soak Test Use the Soak Test function to continuously measure the non-compensated resistance tip to ground and ring to ground simultaneously. Press the [Right] arrow key to access the Soak test from the Resistance screen. Connect the red and black leads to an inactive pair. Connect green to shield...

26 Toolbox The “Toolbox” menu contains a selection of functions depending on the options equipped in the unit and the Country Code selected during Setup (i.e. Caller ID is available only in North America and ADSL Stored Results is only available on /ADSL- equipped models). The menu displays only the...

28 Load Coils This 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. This is done in the Load Setup screen. Use the [Up] and [Down] arrow keys to highlight the correct wire ga...

29 Kick Test Use the Kick Test function to continuously measure the voltage, resistance and capacitive length on tip- ring, ring-ground, and tip-ground. Connect the red and black leads to the selected pair. Connect green to shield or ground.Press the [Tab] key to move to the next lead configuration....

30 Stored Results Use this function to view previously stored results of the Autotest or TDR function. If no results have been stored, “No Results Stored” will be visible on the screen. If one or more test results have been stored, the ID number for each will be displayed. Press the [Setup] key to d...

32 Select Results Use the [Up] and [Down] keys to highlight the desired stored result. Press the [Enter] key to select the highlighted result and display the stored results list for that ID number by type (Autotest or TDR), date and time. Use the [Up] and [Down] keys to highlight the desired stored ...

33 ADSL Results Use this function to view previously stored ADSL Modem test results (/ADSL option only). Note: “ADSL Results” does not appear in the Toolbox menu unless the /ADSL option is installed. If no ADSL Modem test results have been stored, “No Results Stored” will be indicated on the screen....

36 Caller ID This function 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. Certain result boxes may be blank if the information is not available. Connect the red and black leads to an active ...

38 Special Resistance Use this function to measure the: • Loop Resistance between the red and green test leads. • Resistance of each conductor connected to the red and green test lead. • Resistance Difference between the two conductors. Connect the red lead to one side of the pair. Connect the green...

39 Ground Resistance Use this function to verify the protector ground resistance compared to a Central Office (C.O.) using the 965DSP and an active pair. Connect the red lead to Ring of the active pair. Connect the black lead to Tip. Connect the green lead to Ground. Press the [Enter] key to start t...

41 K-Test Use this function to find the approximate distance to a resistance fault when both wires in a single pair are faulted at the same place, and a separate good pair or a single loop conductor is not available. Resistance Check Before you start the K-Test measurement, use the Resistance functi...

46 K-Test Error: Flip red and green The 965DSP will first make a measurement to verify that the heavier fault is connected to red and the lighter fault is connected to green. If the size of faults is reversed, you will see the following screen: K-Test Error This screen indicates that the connections...

50 Pressing the [Tab] key again will return the screen to Ringers Capacitance. Press the [Enter] key to repeat the test. Ringers This function measures the capacitance associated with one or more ringer circuits on the line or the equivalent number of ringers (1 ringer = 0.47 uF). Either the Ringers...

51 Splice Locate Use this function to find the location of a splice in two sections (of different wire gauges) of cable. If you select either section, use the [Up] and [Down] keys to select the wire gauge. You may NOT use the same gauge for both sections. If you select either the DTS or the temperat...

52 Opens This function measures the distance to a complete “open” on a pair based on a selected cable type. “Opens” is more accurate if other cable pairs are active. If other pairs are not active, short at least 30% of the inactive pairs to the cable shield. The TDR function should be used to determ...

55 Tone Use this function to send a tone on a pair. Use the [Up] and [Down] keys to select the desired tone. Note that there are ten tones. Use [Up] and [Down] to scroll through the tone selections. There are three types of tones: ID Tone for pair identification and coiling, Precision Tone for 600 Ω...

56 Precision Tone ID Tone High Frequency Tone The volume of the tone heard in the 965DSP speaker may be adjusted for the ID Tone and the Precision Tone. No tone is heard in the speaker for the High Frequency Tone.

63 RFL Setup: Single Section Use the RFL Setup to change Wire Gauge and/or the cable Temperature or enter a known Distance to Strap. Press the [Setup] key to display the current settings. There are two possible single pair hookup errors: 1) the Fault is greater than 20 M Ω , or 2) the red/green stra...

67 Press the [Tab] key to display the results in ohms. Press the [Enter] key to retest the same pair or the [Return] key to test a new pair. RFL Multiple Results There are two possible formats for displaying the results of an RFL Multiple measurement: 1) The temperature is known. In this case the sc...

69 RFL Errors One of several errors may occur during an RFL multi-section measurement. If the RFL measurement terminates due to a time- out, a “Yield Sign” will be displayed next to the DSTF or RSTF result, as shown. This indicates that the results may not be accurate. This could be caused by excess...

71 DSL Use this function to perform specialized tests on ISDN and DSL lines. Use the [Up] and [Down] arrow keys to move to the desired test, then press the [Enter] key to accept the choice. L Note: All 965DSP Series Loop Analyzers are equipped with the ISDN Datalink function; however, this menu item...

78 Otherwise, the Status screen below is displayed. Only the achieved Upstream and Downstream line rates and capacity values are shown. The pair PASSED if the line rates were greater than or equal to the threshold rates and the capacity values were less than or equal to the threshold capacities.Pres...

82 The ADSL Graph presents a graphic display of the number of bits transmitted in each ADSL Discrete Multi Tone (DMT) frequency bin. ADSL modems require wide bandwidth to operate since they essentially use 256 separate simultaneous modems, each requiring about 4kHz of bandwidth called a bin. Each of...

84 Edit the Tech ID and Job Number using the same procedure described previously. Up to 14 alphanumeric characters can be entered in each field. Use the [Tab] key to jump between highlighted boxes. Use the [Setup] key to clear both fields. The data entered into each field will remain present for eve...

91 Interference Frequency Signatures The 965DSP Spectrum Analyzer function provides a graphical display of the signals and noise on a line over a selected range of frequencies. The spectrum analyzer continuously analyzes the line and updates the screen as conditions change. The screen displays the a...

95 Use the Crosstalk mode to display the amplitude and location of signals that “cross” from one pair to the other, as could be caused by a split. For both Differential and Crosstalk, connect the red and black test leads to the pair under test. Connect the blue and yellow test leads to the reference...

96 Memory Connect the red and black test leads to the pair under test. Memory mode is used to compare a pair under test to a stored trace in memory. The first screen in memory mode will show a list of the ID numbers for all stored TDR traces. Use the [Up] and [Down] keys to highlight the desired sto...

98 Peak Use the TDR Peak mode to capture events that may be intermittent. This mode continuously detects and displays the maximum and minimum traces that occur from the time that the mode is first selected. The ‘live’ trace is also displayed continuously. As a new maximum or minimum trace is detecte...

99 Filter: is Out, is In Filter allows you to switch in a filter to remove noise. You should use the filter if you see noise on the display. Note: Switching in the filter may make it difficult to detect small events on the cable. Length: 100 ft, 200 ft, 500 ft, 1 kft, 2 kft, 5 kft, 10 kft, 20kft, 30...

102 The next screen shows the TDR trace after offset. The vertical offset function affects all modes except Memory. that is out of viewing range or until one of the display controls is changed. This is demonstrated below. The first screen shows the TDR trace before vertical offset. Event Recognition...

103 TDR Save You can save only the active “Single Trace” TDR screen. First, select the TDR control parameters so the screen appears as desired. Press the [Save] key (camera icon). The 965DSP will display the Save Results screen as follows: ‘Peak’ Events Launch Pulse: The first peak on the screen is ...

107 Loss Use this function to measure the loss from the far- end to the near-end using a tone between 200 Hz and 20 kHz. You must use a separate instrument to generate the tone at the far-end. Press the [Tab] key to go to Noise. Press the [Left] arrow key to go to Longitudinal Balance. Press [Enter]...

108 The screen displays the loss in dB, and the frequency of the tone in kilohertz. Press [Enter] to return to the dB menu. Wideband Loss Use this function to measure the loss of a far-end tone between 20 kHz and 1200 kHz. You must use a separate instrument to generate the tone at the far-end. Longi...

109 Level Trace Use this function 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. The result is displayed on a graph with relative impedance level displayed on the y-axis (in dB) and ...

110 Inactive Pair Autotest (without FED) The Inactive Pair screen displays the type of test (basic or full), the type of service (POTS), the wire gauge, FED select status, and the cable type. Press the [Setup] key to change the Inactive pair parameters. Autotest Use this function to perform an autom...

111 Use the [Tab] key to select the cable type, test type, or wire gauge for editing. Use the [Up] and [Down] keys to highlight the desired cable type or wire gauge. Press [Enter] to accept the changes and return to the previous screen. Use the [Return] key to exit without making changes.Connect the...

115 Autotests with a FED The 965DSP will perform an Inactive or Wideband Autotest with a FED, FED II or SmartStrap ™ . From the Auto Menu screen, press the [Tab] key to go to the FED setup screen. None FED FED II SmartStrap ™ Inactive Yes Yes Yes Yes Active Yes No No No Wideband No Yes Yes Yes Use t...

117 SmartStrap™ Connection The CTC Smart Strap ™ Model C1100 supports Inactive Pair testing only and requires a separate, good control pair. A Wideband Module Model C1110W is required for Wideband Autotest. At the far end of the cable, connect the Control Pair (Pair 0) T and R terminals to the separ...

119 Inactive setup with 3M FED selected If the CTC Smart Strap ™ has been selected for the FED, two additional test leads that are used to control the Smart Strap will be shown on the screen. Inactive Setup (with FED) Press the [Setup] key to change the Inactive pair parameters.

120 User should move leads to the second pair and press [Enter] to continue test. Note: For Inactive Autotest with the 3M™ FED II and Pair 2 selected, the following screen will appear during the FED II initialization process. Inactive setup with SmartStrap™ or FED II selected Use the [Tab] key to se...

122 Inactive Pair - Basic Test - Value Screen Inactive Pair - Full Test - Value Screen Press the [Tab] key to return to the pass/fail screen or [Enter] to retest. To view the graph of the voice-band sweep loss results, press the [Down] key. Press [Enter] to return to the previous screen.

123 Wideband Pair (with FED) The Wideband Test screen displays the type of test (Basic or Full), the type of service (56 KB, 64 KB, ISDN, HDSL, T1, E1, ADSL), the wire gauge, the FED type and the cable type. If the CTC SmartStrap™ has been selected for the FED, two additional test leads that are use...

124 Wideband Setup - FED Wideband Setup - FED II or SmartStrap Use the [Tab] key to select the cable type, test type, wire gauge, type of service, or longitudinal balance termination (FED II or Smartstrap™ only). Use the [Up] and [Down] keys to highlight the desired choice. Press [Enter] to accept t...

126 Wideband - Full Test Wideband - Basic Test The Wideband - Full Test includes a resistive balance test (using special resistance) that requires a different test lead connection. When this part of the Autotest is reached, the user will be requested to swap the black and green test leads or to skip...

128 The 965DSP performs a second test to determine if the user’s choice of a FED II is correct. If a FED is found instead of a FED II, this screen will appear. Press [Enter] to return to Auto Menu screen. FED Initialization Error Screens The 965DSP performs a test to determine if it can communicate ...

130 Autotest Configurations The following tables list the tests performed for the Inactive Pair, Active Pair and Wideband Tests. Test Basic Full Pass/Fail Vdc Yes Yes No Ohms Yes Yes Yes Opens Yes Yes No Long. Balance Yes Yes Yes Load Coil No Yes No Inactive Pair Tests without FED Vdc Yes Yes No Ohm...

131 Test Basic Full Pass/Fail Vdc Yes Yes No Ohms Yes Yes Yes Opens Yes Yes Yes Capacitive Balance Yes Yes Yes Long. Balance Yes Yes Yes Sweep Loss No Yes Yes Single Tone Loss Yes No Yes Loop Resistance Yes No Yes Resistive Balance No Yes Yes Load Coil Yes Yes Yes Wideband Noise* Yes Yes Yes Loop At...

132 Autotest Save You can save all of the results of an Autotest. After an Autotest has completed, press the [Save] key (camera icon) to save the results. The 965DSP will display the Save Results screen as follows: The date and time display the 965DSP “system clock.” See the “Set Clock” section on p...

134 Autotest Results Screen Symbol Definitions - DC Volts measurement results - Ohms measurement results - Opens measurement results - Longitudinal balance measurement result - Load coil detect/distance to first load coil - Loop current measurement result - Ground Resistance measurement - Single fre...

135 Talk Set This function allows you to use the 965DSP as a Talk Set on active pairs or to send DTMF tones on inactive pairs. Connect the red and black leads to the pair for lines using Loop Start. Also connect the green lead to ground on Ground Start lines. This screen displays the last number dia...

136 Use the blue keys to change the number. Use the [Tab] key to highlight a desired menu. Use the [Up] and [Down] arrow keys to move to a desired telephone number, select the dial mode (DTMF or Pulse), and the start mode (Loop or Ground). Use the [Enter] key to accept the choice and return to the p...

139 Replacement Items You may order any of the following replacement items from 3M. Contact 3M Communication Markets Division Customer Service at 800 426 8688 for more information. Accessory 3M Part Number NiMH Battery Pack 80-6108-6473-0 Red/Black Test Lead * 80-6108-6435-9 Blue/Yellow Test Lead * ...

140 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 lo...

141 Function Range Accuracy DC Voltage: 0 to 99.9 V 1% ± 0.5 V 100 to 300 V 3% AC Voltage: 0 to 99.9 V 1% ± 0.5 V 100 to 250 V 3% Current: 0 to 59.9 mA 1% ± 0.3 mA 60 to 110 mA 2% Resistance: 0 to 9999 Ω 1% ± 5 Ω (with CO voltage) 0 to 9999 Ω 1% ± 50 Ω 10 K to 99.9 K Ω 1% 100 K Ω to 9.9 M Ω 3% 10 M ...

142 Function Range Accuracy Loss: -40 to +10 dBm 0.5 dB @600 Ω 200 to 3000 Hz 2 Hz 3 kHz to 10 kHz 10 Hz 10 kHz to 20 kHz 20 Hz Wideband Loss: -50 to +2 dBm 2 dB @135 Ω 20 kHz to 1200 kHz 1 % Noise Metallic: 0 to 50 dBrnc 2 dB (-90 to -40 dBm0p) Power Influence: 40 to 100 dBrnc 2 dB (-50 to 10 dBm0p...

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