Page 3 - Table of Contents; Functions
3 Table of Contents Out of the Box ....................................................... 4 Front Panel ............................................................. 5 Control Keys ..................................................... 6 Editing .........................................................
Page 4 - Communication Markets Division
4 Out of the Box What you will find when you unpack the shipping box:• 3M ™ Dynatel ™ 965DSP Series Subscriber Loop Analyzer • Carrying case • NiMH battery pack (inside the 965DSP) • Spare battery holder • Test Leads (red/black pair, blue/yellow pair, green) • Shorting strap • AC charger • Power cor...
Page 7 - Function Keys
7 Function Keys Use the blue keys to select the different test functions in the 965DSP. The blue keys become number or letter keys when editing. Use the [Voltage] key to measure DC or AC voltage. Use the [Current] key to measure loop current. Use the [Resistance] key to measure resistance. Use the [...
Page 8 - Welcome Screen; Control Keys
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...
Page 10 - Fahrenheit or Centigrade.; Units
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: ...
Page 11 - Clock Format
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...
Page 12 - Set Beep; Use the Set Beep setup to turn the key beeps on or off.; Set Clock; Use the Set Clock setup to change the date and time.
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] ...
Page 13 - Autotest Limits
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...
Page 15 - Printer
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...
Page 16 - Power Down Timeout; key from the Welcome screen, then select Power
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...
Page 17 - Edit Wire Gauge; This function allows you to set up custom wire
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...
Page 18 - Voltage Termination (supported countries only)
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...
Page 19 - User Info
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...
Page 21 - Use standard safety practices for
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...
Page 22 - Voltage
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...
Page 23 - Current
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...
Page 24 - Resistance
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...
Page 25 - Soak Test; This measurement will not be accurate if
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...
Page 26 - Toolbox; Note: The last item in the Toolbox menu
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...
Page 28 - Load Coils; It is not necessary to have any particular length of
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...
Page 29 - Kick Test; Use the Kick Test function to continuously measure
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....
Page 30 - Stored Results; Print Results
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...
Page 32 - Select Results
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 ...
Page 33 - ADSL Results; Note: “ADSL Results” does not appear in the
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....
Page 36 - Caller ID; Note: The 965DSP Caller ID function is only
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 ...
Page 38 - Special Resistance; Note that the “reference wire” can be a separate
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...
Page 39 - Ground Resistance; Note: The Ground Resistance function will only
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...
Page 41 - Resistance Check
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...
Page 46 - after
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...
Page 50 - Ringers
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...
Page 51 - Start
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...
Page 52 - Opens
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...
Page 55 - Tone
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...
Page 56 - The volume of the tone heard in the 965DSP speaker
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.
Page 63 - RFL Setup: Single Section
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...
Page 67 - RFL Multiple Results
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...
Page 69 - RFL Errors
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...
Page 71 - DSL
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...
Page 78 - ADSL Status
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...
Page 82 - ADSL Results Save
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...
Page 84 - ADSL Warning Screens
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...
Page 91 - Interference Frequency Signatures
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...
Page 95 - Differential and Crosstalk
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...
Page 96 - Memory
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...
Page 98 - Peak
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...
Page 99 - Filter; Switching in the filter may make it difficult to detect; Length; A shorter pulse width will not go as far on the pair.; except the Memory mode.
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...
Page 102 - Event Recognition
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...
Page 103 - TDR Save; ‘Peak’ Events
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 ...
Page 107 - Noise; dB
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]...
Page 108 - Wideband Loss
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...
Page 109 - Level Trace
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 ...
Page 110 - Autotest; Autotests without a FED
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...
Page 111 - Inactive Pair - Basic Test
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...
Page 115 - Autotests with a FED; None
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...
Page 117 - SmartStrapTM Connection; Dead Pair Test; SmartStrap
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...
Page 119 - Inactive setup with 3M FED selected; If the CTC Smart Strap
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.
Page 120 - Inactive setup with SmartStrapTM; gauge, test type or longitudinal balance termination
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...
Page 122 - Inactive Pair - Basic Test - Value Screen
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.
Page 123 - Note: Always connect the 965DSP test leads
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...
Page 124 - Wideband Setup - FED II or SmartStrap; wire gauge, type of service, or longitudinal balance
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...
Page 126 - If the resistive balance test is run, be sure to
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...
Page 128 - FED Initialization Error Screens
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 ...
Page 130 - Test; Inactive Pair Tests without FED
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...
Page 131 - Service; Inactive & Wideband Loss Frequencies
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...
Page 132 - Autotest Save
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...
Page 134 - Autotest Results Screen Symbol Definitions
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...
Page 135 - Talk Set
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...
Page 136 - Talk Set Setup
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...
Page 139 - Replacement Items; Accessory; Test Leads
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 * ...
Page 140 - Troubleshooting
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...
Page 141 - Specifications
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 ...
Page 142 - Longitudinal Balance:
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...
Page 144 - Check Opens performance:
144 t n e m e r u s a e M ) a d a n a C d n a S U ( e l b a C f o e p y T N I M y ti c a p a C e r o c r i A d e ll i f - y ll e J f n 5 3 . 9 t f 5 9 3 ) m 0 2 1 ( t f 0 5 3 ) m 7 0 1 ( X A M F u 1 1 0 . t f 0 5 4 ) m 7 3 1 ( t f 0 0 4 ) m 2 2 1 ( d e R o t k c a l B N I M f n 5 3 . 9 t f 5 9 5 ) m...