JDS Uniphase HST-3000 User Manual
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HST-3000
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  • Page 1 HST-3000 Copper Testing User’s Guide...
  • Page 3 HST-3000 Copper Testing User’s Guide Communications Test and Measurement Solutions One Milestone Center Court Germantown, Maryland 20876-7100 USA Toll Free 1-855-ASK-JDSU (1-855-275-5378) Tel +1-240-404-2999 Fax +1-240-404-2195 www.jdsu.com...
  • Page 4 Government purposes only. Patents This product is covered by the following patent(s): (6,653,844 B2). Trademarks JDS Uniphase, JDSU, and HST-3000 are trademarks or reg- istered trademarks of JDS Uniphase Corporation in the United States and/or other countries. Specifications, terms, and conditions are subject to change without notice.
  • Page 5 JDSU could void the user's authority to operate the equipment. Industry Canada This Class B digital apparatus complies with Canadian Requirements ICES-003. Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada. HST-3000 Copper Testing User’s Guide...
  • Page 6 Instructions for returning waste equipment and batteries to JDSU can be found in the Environmental section of JDSU’s web site at www.jdsu.com. If you have questions concerning disposal of your equipment or batteries, contact JDSU’s WEEE Program Management team at WEEE.EMEA@jdsu.com. HST-3000 Copper Testing User’s Guide...
  • Page 7: Table Of Contents

    Application-oriented user guide ....xv HST-3000 Base Unit User’s Guide ....xv Safety and compliance information .
  • Page 8 Locating faults using RFL ......44 Detecting load coils ......50 HST-3000 Copper Testing User’s Guide...
  • Page 9 Locating RFI ......90 Troubleshooting ......95 HST-3000 Copper Testing User’s Guide...
  • Page 10 POTS closeout ....... . 150 Wideband autotest ......152 viii HST-3000 Copper Testing User’s Guide...
  • Page 11 Saving graphs ....... . 169 Saving screen captures ......170 HST-3000 Copper Testing User’s Guide...
  • Page 12 WB2 Spectral measurement specifications ..198 WB2 TIMS filter specifications ....200 HST-3000 Copper Testing User’s Guide...
  • Page 13 Table of Contents Glossary Index HST-3000 Copper Testing User’s Guide...
  • Page 14 Table of Contents HST-3000 Copper Testing User’s Guide...
  • Page 15 “Assumptions” on page xiv – “Terminology” on page xiv – “Application-oriented user guide” on page xv – “HST-3000 Base Unit User’s Guide” on page xv – “Safety and compliance information” on page xv – “Technical assistance” on page xvi –...
  • Page 16: About This Guide

    Assumptions This guide is intended for novice, intermediate, and experi- enced users who want to use the HST-3000 effectively and efficiently. We are assuming that you have basic computer experience and are familiar with basic telecommunication concepts, terminology, and safety.
  • Page 17: Application-Oriented User Guide

    About This Guide Application-oriented user guide Application-oriented user guide The HST-3000 Copper Testing User’s Guide is an application- oriented user’s guide containing information relating to the basic use of the device and includes detailed procedures for testing and troubleshooting copper services.
  • Page 18: Technical Assistance

    Before you contact JDSU for technical assistance, please have the serial numbers for the service interface module (SIM) and the base unit handy (see “Locating the serial number” in the HST-3000 Base Unit User’s Guide). Table 1 Technical assistance centers...
  • Page 19: Conventions

    A vertical bar | means “or”: platform [a|b|e] only one option can appear in a single command. Square brackets [ ] indicate login [platform name] an optional argument. Slanted brackets < > group <password> required arguments. xvii HST-3000 Copper Testing User’s Guide...
  • Page 20 This symbol, located on the equipment or its packaging indicates that the equipment must not be disposed of in a land-fill site or as municipal waste, and should be disposed of according to your national regulations. xviii HST-3000 Copper Testing User’s Guide...
  • Page 21: Hst-3000 Copper Testing User's Guide

    WARNING Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. CAUTION Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. HST-3000 Copper Testing User’s Guide...
  • Page 22 About This Guide Conventions HST-3000 Copper Testing User’s Guide...
  • Page 23: Getting Started

    Getting Started Chapter 1 This chapter provides a general description of the HST-3000’s copper testing feature. Topics discussed in this chapter include the following: – “About copper testing” on page 2 – “What’s new in this release” on page 2 –...
  • Page 24: About Copper Testing

    (PI), noise, balance, time domain reflectometer (TDR), resistive fault locate (RFL), load coil detect, loss, wideband transmission impairment measurement set (WBTIMS), caller ID, and POTS dialer. The HST-3000 provides process customization through on-board auto tests and allows work- flow improvements via connectivity to craft access terminals and back-office systems.
  • Page 25: Features And Capabilities

    You can expand your testing capability by purchasing addi- tional Copper Testing options. Table 6 lists the copper options. NOTE: For additional information about HST-3000 options, SIMs, and services, contact your local JDSU representative or contact JDSU through the company web site, www.jdsu.com. HST-3000 Copper Testing User’s Guide...
  • Page 26 Spectral Analysis Allows you to detect radio fre- HST3000-SPE quency interference from digital services or AM radios that can reduce the performance of a cop- per wire. Available for the HST-3000c only. a. Wideband only. HST-3000 Copper Testing User’s Guide...
  • Page 27: Quick Tour

    – Solid green indicates that a data connection has been established with the network (so that the HST-3000 may send and receive data on the network). – Solid red indicates that a data connection error.
  • Page 28: Status Icons

    Off hook and on hook icons appear in the upper right corner of the menu bar indicating the state of the phone. Table 8 describes these status icons. For descriptions of other status icons, see the HST-3000 Base Unit User’s Guide. Table 8 Status icons Icon Function Indicates the phone is on hook.
  • Page 29: Connectors

    Electrical shock may result in serious injury or death. Use care when connecting to telecommunications circuits, to be sure that you do not come in contact with exposed conduc- tors or power mains. Connect TNV signals to TNV ports only. HST-3000 Copper Testing User’s Guide...
  • Page 30: Accessing The Copper Testing Feature

    The following sections describe these features and how to use them. NOTE: Some of the features listed above are optional. This man- ual assumes that all options are installed. Some of your menu selections may vary, depending on your installed options. HST-3000 Copper Testing User’s Guide...
  • Page 31: Dvom Testing

    – “Measuring voltage” on page 10 – “Measuring resistance” on page 12 – “Measuring insulation resistance” on page 15 – “Measuring the distance to a short” on page 16 – “Measuring current” on page 17 HST-3000 Copper Testing User’s Guide...
  • Page 32: About The Dvom

    Chapter 2 DVOM Testing About the DVOM About the DVOM Using the Digital Volt/Ohm Meter (DVOM) feature, the HST-3000 measures AC and DC voltage, resistance, distance to a short, and current. To access the DVOM feature Access the Copper Measurements menu (see page Press the 1 key to access the DVOM.
  • Page 33 – 1MEG-ohm Term – 100K-ohm Term Press the Display soft key and then select DC Volts. NOTE: You can also press the up or down arrow key to move between AC volts and DC volts. HST-3000 Copper Testing User’s Guide...
  • Page 34: Measuring Resistance

    To measure resistance Connect the Tip (A), Ring (B), and Ground (Earth) leads to the line under test. Press the Display soft key and then select Resistance Snapshot or Resistance Continuous. HST-3000 Copper Testing User’s Guide...
  • Page 35 Snapshot or Resistance T-G menu. e Press the Refresh soft key. If you selected Resistance Continuous in step 2, you can specify the pair to measure by doing the following: a Press the Actions soft key HST-3000 Copper Testing User’s Guide...
  • Page 36 Press the Actions soft key and then select FED Open All. b Specify a duration, in seconds. This is how long the leads will remain open. The screen displays a duration timer during the test. HST-3000 Copper Testing User’s Guide...
  • Page 37: Measuring Insulation Resistance

    NOTE: The Insulation Resistance measurement is only available when the Country is set to UK on the System>Instru- ment>International Settings menu. To test insulation resistance 1 Select DVOM from the main Copper Measurements menu. HST-3000 Copper Testing User’s Guide...
  • Page 38: Measuring The Distance To A Short

    Tip and Ring (A and B), the measurement will be inaccurate. To measure distance Connect the Tip (A), Ring (B), and Ground (Earth) leads to the line under test. Press the Display soft key and then select Distance to Short. HST-3000 Copper Testing User’s Guide...
  • Page 39: Measuring Current

    Short Calculator. Press the Leakage soft key to use the high-voltage ohmmeter. Results appear on the screen. Measuring current Using the DVOM, you can test for continuity, and check for proper loop current for POTS lines. HST-3000 Copper Testing User’s Guide...
  • Page 40 HST automatically looks at both A and B for the -48v to Ground current results, just in case A and B are reversed. It shows all results in the upper section of the screen, in addition to the “Good, Bad, Marginal” result. HST-3000 Copper Testing User’s Guide...
  • Page 41 25 ohms or less. To turn off the FED (return to Through mode), press the Actions soft key and then select FED Off/Thru. To learn what your results mean, see “DC current” Chapter 12 “Interpreting Test Results”. HST-3000 Copper Testing User’s Guide...
  • Page 42 Chapter 2 DVOM Testing Measuring current HST-3000 Copper Testing User’s Guide...
  • Page 43: Measuring Opens

    “About opens” on page 22 – “Compensating the measurement” on page 22 – “Connecting and specifying the cable” on page 23 – “Testing with a UFED” on page 25 – “Measuring ringers” on page 26 HST-3000 Copper Testing User’s Guide...
  • Page 44: About Opens

    Chapter 3 Measuring opens About opens About opens The HST-3000 measures the total electrical (capacitive) length of a pair using the opens feature. To access the opens feature – From the Copper Measurements menu (see page press the 2 key.
  • Page 45: Connecting And Specifying The Cable

    To specify the fill type or change the capacitance based on a type of cable, do the following (otherwise proceed step a Press the up and down arrows, or press the Display soft key and select the appropriate type. b Proceed to step HST-3000 Copper Testing User’s Guide...
  • Page 46 (A) to Ground (E), and Ring (B) to Ground (E), in µF/ mile (or other units depending on your configuration). The HST-3000 uses this value for Tip (A) or Ring (B) to Ground (E) capacitance. d Press the OK key.
  • Page 47: Testing With A Ufed

    Verify you are testing with a FED. Press the Actions soft key and then select FED Open All. Specify a duration, in seconds. This is how long the leads will remain open. The screen displays a duration timer during the test. HST-3000 Copper Testing User’s Guide...
  • Page 48: Measuring Ringers

    To measure ringers Press the Display soft key, and then select Ringers. Press the Results soft key to clear or save the results. To learn what your results mean, see “Opens” Chapter 12 “Interpreting Test Results”. HST-3000 Copper Testing User’s Guide...
  • Page 49: Measuring Pi And Noise

    Measuring PI and Noise Chapter 4 This chapter provides task-based instructions for measuring power influence, noise, and balance. The HST-3000 performs longitudinal balance, power (mains) influence (PI) and noise measurements to calculate balance. Topics discussed in this chapter include the following: –...
  • Page 50: Connecting To The Line

    Wideband background noise is covered in the WBTIMS section. To measure longitudinal balance From the Copper Measurements menu (see page press the 3 key. The Longitudinal Balance menu appears. HST-3000 Copper Testing User’s Guide...
  • Page 51: Measuring Pi And Noise

    To measure PI and noise Press the Display soft key, and then select PI/Noise. NOTE: This test excites the line and is sometimes referred to as a “stress test.” HST-3000 Copper Testing User’s Guide...
  • Page 52 Specify a duration, in seconds. This is how long the leads will be terminated or shorted. The screen displays a duration timer during the test. Press the Display soft key, and then select Power Harmonics. HST-3000 Copper Testing User’s Guide...
  • Page 53 Press the Results soft key to clear or save the results. To learn what your results mean, see “PI/Noise/Balance” Chapter 12 “Interpreting Test Results”. Measuring power influence and noise is complete. HST-3000 Copper Testing User’s Guide...
  • Page 54 Chapter 4 Measuring PI and Noise Measuring PI and noise HST-3000 Copper Testing User’s Guide...
  • Page 55: Locating Cable Faults

    “Viewing a saved TDR trace” on page 41 – “Performing a dual TDR trace” on page 42 – “Performing a peak TDR trace” on page 43 – “Locating faults using RFL” on page 44 – “Detecting load coils” on page 50 HST-3000 Copper Testing User’s Guide...
  • Page 56: About Locating Cable Faults

    Chapter 5 Locating cable faults About locating cable faults About locating cable faults There are two optional features on the HST-3000 that help locate cable faults. – TDR — The Time Domain Reflectometer (TDR) identifies bridged taps, wet sections, load coils, shorts, opens, and splices on the span.
  • Page 57 Actions soft key then 2. c Use the left and right arrows to move the cursor to the beginning of the fault, or enter a distance directly on the keypad to move the cursor and display to a desired HST-3000 Copper Testing User’s Guide...
  • Page 58 – Auto Range enables the “automatic TDR” feature. This allows you to progress through all TDR settings by pushing one button (repeatedly). If you selected Auto Range, press the up arrow key to move to the next among the Auto TDR selections. HST-3000 Copper Testing User’s Guide...
  • Page 59 Essentially, it is a different way of doing pulse-based TDR, but it can give better resolution on short lines. However, the signature of the faults is very different than the normal (traditional TDR) traces. HST-3000 Copper Testing User’s Guide...
  • Page 60 13 If you are testing toward a FED, UFEDII, or UFEDIIB, use the Actions menu to select a command to send. a Press the Actions soft key. b Select FED Command. HST-3000 Copper Testing User’s Guide...
  • Page 61 Results key. For information on saving “Saving results” on your results in graphical form, see page 167. 16 To learn what your results mean, see “TDR” Chapter 12 “Interpreting Test Results”. Locating cable faults with the TDR is complete. HST-3000 Copper Testing User’s Guide...
  • Page 62: Locating Faults Using Crosstalk Tdr

    Connect T, R, T1, and R1 (or A, B, A1, and B1) to the lines under test. Access the Copper Measurements menu (see page Press the 4 key to select TDR. Press the Display soft key, and then press the 7 key. HST-3000 Copper Testing User’s Guide...
  • Page 63: Viewing A Saved Tdr Trace

    Access the Copper Measurements menu (see page Press the 4 key. Press the Results soft key. Press 2 to view a saved trace. Select the file name of the trace and then press the OK key. The graph appears. HST-3000 Copper Testing User’s Guide...
  • Page 64: Performing A Dual Tdr Trace

    Press the Display soft key, and then press 5. c Press the Start TDR soft key. d Press the Results soft key, and then select Load Reference Trace. The HST-3000 displays the reference trace simultane- ously with the live trace. HST-3000 Copper Testing User’s Guide...
  • Page 65: Performing A Peak Tdr Trace

    167. Performing a dual trace is complete. Performing a peak TDR trace The HST-3000 can display minimum, maximum, and current TDR traces over a test period. This feature is useful for analyzing faults that occur intermittently. To perform a peak TDR trace...
  • Page 66: Locating Faults Using Rfl

    The following procedure describes how to locate cable faults using the RFL. To locate a cable fault using RFL Access the Copper Measurements menu (see page Press the 8 key to select Resistive Fault Locate. The Resistive Fault Locate screen appears. HST-3000 Copper Testing User’s Guide...
  • Page 67 If you selected multi gauge, select the gauge and temper- ature for each cable section by performing the following steps. a Press the Configure navigation key. b Press the right arrow (>) to move to the RFL Multigage screen. HST-3000 Copper Testing User’s Guide...
  • Page 68 The Ground hookup function is available only if you have a Copper Measurement board rev 510. To verify, go to the System>Tools>Options>Revisions screen and look for “Copper”. The Change Ground Hookup selection is not available in K-Test. HST-3000 Copper Testing User’s Guide...
  • Page 69 Measurement board rev 510. To verify, go to the Sys- tem>Tools>Options>Revisions screen and look for “Copper”. The K-Test is typically used to test for fault location when there is no “known good” (reference) pair. HST-3000 Copper Testing User’s Guide...
  • Page 70 FED, specify the FED strap duration by pressing the Actions soft key, selecting Change FED Strap Duration, and then enter the number of seconds, between 60 and 900. A counter appears indicating the duration of the strap HST-3000 Copper Testing User’s Guide...
  • Page 71 The test runs then displays the results. The results for the specific fault appear. The HST-3000 assumes that the fault is on the red lead. If the fault is not on the red lead, it will automatically flip Tip (A) and Ring (B) and run the test again. Thus, your screen may show swapped leads.
  • Page 72: Detecting Load Coils

    Detecting load coils Detecting load coils The HST-3000 can detect up to five load coils that may exist on the line, out to 27,000 (8,200 meters) feet. It will also report a short, open, or a high noise condition, if detected. For accu- rate load coil detection, test on a pair without voltage (supplied by a battery).
  • Page 73 NOTE: The distance to first load measurement assumes no other impairments are present between the HST-3000 and the first load coil. If other impairments are present, accuracy is reduced. If voltage greater than 50V peak is present, the test will abort.
  • Page 74 Chapter 5 Locating cable faults Detecting load coils HST-3000 Copper Testing User’s Guide...
  • Page 75: Measuring Loop Loss

    Topics discussed in this chapter include the following: – “About loop loss” on page 54 – “Receiving tones” on page 54 – “Transmitting tones” on page 55 – “Measuring transmission impairment in the voiceband” on page 57 HST-3000 Copper Testing User’s Guide...
  • Page 76: About Loop Loss

    Chapter 6 Measuring loop loss About loop loss About loop loss The HST-3000 can send and receive voiceband tones to measure loop loss, perform a 3-tone slope test, dial the tele- phone switch to receive a milliwatt tone, and measure trans- mission impairment (noise, impulse noise, return loss).
  • Page 77: Transmitting Tones

    Chapter 6 Measuring loop loss Transmitting tones You should hear audio of the tone. The HST-3000 begins measuring the frequency and level of each tone. The loss appears in the bar graph. If testing toward a FED, press the Actions soft key and then select FED Commands.
  • Page 78 Transmit a trace tone the 5 key Press the Start soft key. You should hear audio of the tone. The tone graph appears. NOTE: Your display may look different, depending on your trans- mission selection. HST-3000 Copper Testing User’s Guide...
  • Page 79: Measuring Transmission Impairment In The Voiceband

    Transmitting tones is complete. Measuring transmission impairment in the voiceband With the transmission impairment measurement option, you can use the HST-3000 to perform the following voiceband tests: – Noise (O.41 method) — measures noise using the ITU-T O.41 method. Results include the minimum, maximum, and current noise levels displayed in decibels.
  • Page 80 “Noise testing (ITU-T O.41 method)” on page 59 – “Noise with tone testing (O.41 method)” on page 60 – “Signal to noise ratio testing” on page 62 – “Impulsive noise testing (ITU-T O.71 method)” on page 63 HST-3000 Copper Testing User’s Guide...
  • Page 81: Noise Testing (Itu-T O.41 Method)

    Options Action Enable or disable a filer Select Filter, and then select the type of filter you want to apply or disable. For information about fil- ters, see Table 18 on page 196. HST-3000 Copper Testing User’s Guide...
  • Page 82: Noise With Tone Testing (O.41 Method)

    Ring (B) pair (T/R or A/B) to the line under test. The HST measures the signal to noise ration on the T/ R pair. The far end device transmits the holding tone. Select the Noise with Tone (O.41 method) test. See page HST-3000 Copper Testing User’s Guide...
  • Page 83 You should hear audio of the tone. Results appear in the TIMS Noise with Tone screen. To change the result measurement from dB to dBrn, press the Result soft key, and then select either dB or dBrn HST-3000 Copper Testing User’s Guide...
  • Page 84: Signal To Noise Ratio Testing

    Ring (B) pair (T/R or A/B) to the line under test. The HST measures the signal to noise ration on the T/R (A/ B) pair. The far end device transmits the holding tone. Select the SNR test. See page The TIMS SNR screen appears. HST-3000 Copper Testing User’s Guide...
  • Page 85: Impulsive Noise Testing (Itu-T O.71 Method)

    (ITU-T configure test parameters. O.71 method) To measure impulsive noise Connect the Tip (A) and Ring (B) pair (T/R or A/B) to the line under test. Select the Impulsive Noise (O.71 method) test. See page HST-3000 Copper Testing User’s Guide...
  • Page 86 Select Filter, and then select the type filer of filter you want to apply or disable. For information about filters, see Table 18 on page 196. To configure Select Impulse Items. The test parameters for the parameter options appear. test step HST-3000 Copper Testing User’s Guide...
  • Page 87 Test Tone Ampli- Select one of the following: tude – 3 dBrn – 0 dBrn – -10 dBrn Mute/Enable Sound When the sound is enabled, the Effects HST will beep each time an impulse event is detected. HST-3000 Copper Testing User’s Guide...
  • Page 88: Return Loss Testing

    Connect the Tip (A) and Ring (B) pair (T/R or A/B) to the line under test. Select the Return Loss test. See page If the Return Loss Sweep screen appears, press the Actions soft key, and then select Return Loss. The TIMS Return Loss screen appears. HST-3000 Copper Testing User’s Guide...
  • Page 89: Return Loss Sweep Testing

    Connect the Tip (A) and Ring (B) pair (T/R or A/B) to the line under test. Select the Return Loss measurement option. See page If the Return Loss screen appears, press the Actions soft key, and then select Return Loss Sweep. HST-3000 Copper Testing User’s Guide...
  • Page 90 2 key To begin the sweep, press the Start soft key. The HST begins measuring return loss across the frequency range. The current frequency and decibel measurement appear at the bottom of the screen. HST-3000 Copper Testing User’s Guide...
  • Page 91 Cursor Return loss at frequency Frequency indicated by cursor Use the left and right arrow keys to move the cursor and view return loss at different frequencies. You have completed the test. HST-3000 Copper Testing User’s Guide...
  • Page 92 Chapter 6 Measuring loop loss Measuring transmission impairment in the voiceband HST-3000 Copper Testing User’s Guide...
  • Page 93: Testing Voice Service

    Testing voice service Chapter 7 This chapter provides task-based instructions for using the optional HST-3000 copper testing features. Topics discussed in this chapter include the following: – “Testing voice service and Caller ID” on page 72 HST-3000 Copper Testing User’s Guide...
  • Page 94: Testing Voice Service And Caller Id

    Access the Copper Measurements menu (see page Press the 7 key. The POTS Phone menu appears. Place a call. a Dial the number using the speed-dial (Speed soft key) or manually enter the phone number using the keypad. HST-3000 Copper Testing User’s Guide...
  • Page 95 NOTE: For lines that support Caller ID Call Waiting, you can be on a call and the when the HST-3000 indicates an incoming call, the name and number information appears in the box. c Optional. To mute the microphone, press the Actions soft key, and then select Mute (or Un Mute) Micro- phone.
  • Page 96 Chapter 7 Testing voice service Testing voice service and Caller ID HST-3000 Copper Testing User’s Guide...
  • Page 97: Wideband Testing

    Chapter 8 This chapter provides task-based instructions for using the wideband testing features. Topics discussed in this chapter include the following: – “Performing WBTIMS measurements” on page 76 – “Performing WB2 measurements” on page 110 HST-3000 Copper Testing User’s Guide...
  • Page 98: Performing Wbtims Measurements

    For best results, do not use the battery charger while per- forming WBTIMS measurements, especially when measur- ing very low amplitudes. Measuring The HST-3000 can send and receive tones to measure wide- band loss. wideband loss HST-3000 Copper Testing User’s Guide...
  • Page 99: Receiving Wideband Tones

    Press the Actions soft key, then the 1 key. The Loss Meter menu appears. Press the Start soft key. The HST-3000 begins measuring the frequency and level of each tone. The loss appears in the bar graph. To change the frequency range, do the following: a Press the Display soft key.
  • Page 100: Transmitting Wideband Tones

    Transmitting The following procedure describes how to transmit wideband wideband tones tones. To transmit wideband tones Connect the Tip and Ring (A and B) leads to the line under test. Press the Actions soft key. HST-3000 Copper Testing User’s Guide...
  • Page 101 Optional. To change the amplitude of the signal, do the following: a Press the Actions soft key b Select Amplitude. c Type the new amplitude in the dialog box, and then press the OK key. HST-3000 Copper Testing User’s Guide...
  • Page 102: Performing Four-Wire Wideband Measurements

    DDS, which requires a transmit pair and a receive pair. You measurements can use the HST-3000 to test both pairs simultaneously. To measure loss on both pairs Connect the T, R, T1 and R1 to the pairs under test (a total of four connections for two lines).
  • Page 103 Type a value for the transmitted frequency in kHz. c Press the OK key. The Loss Meter menu appears. The HST-3000 begins measuring the frequency and level of each tone. The loss appears in the bar graph. Optional. To change the display view, do the following: a Press the Display soft key, and then select the view.
  • Page 104: Measuring Wideband Noise

    1 key F (HDSL, T1) the 2 key G (ADSL) the 3 key None the 4 key Optional. To change termination, do the following: a Press the Actions soft key. b Press the 2 key. HST-3000 Copper Testing User’s Guide...
  • Page 105: Measuring Impulse Noise

    The following procedure describes how to measure impulse noise. To measure impulse noise Connect the Tip and Ring (A and B) leads to the line under test. Press the Display soft key. Select Impulse Noise. HST-3000 Copper Testing User’s Guide...
  • Page 106 Press the Actions soft key. b Press the 4 key. c Select a filter. To select… Press… E (DDS, BRI) the 1 key F (HDSL, T1) the 2 key G (ADSL) the 3 key HST-3000 Copper Testing User’s Guide...
  • Page 107: Measuring Spectral Noise

    Radio frequency interference from digital services or AM radios can reduce the performance of a copper wire. With the spectral noise spectral noise option, the HST-3000 can detect and measure the existence of such interference. HST-3000 Copper Testing User’s Guide...
  • Page 108: Using The Spectral Analyzer

    Chapter 8 Wideband testing Performing WBTIMS measurements Using the spectral The HST-3000 can display the noise on the line. analyzer To measure spectral noise Connect the Tip (A), Ring (B), and Ground (Earth) leads to the line under test. Press the Display soft key, and then press the 2 key.
  • Page 109 Press the key corresponding to the interference. Optional. To change termination, do the following: a Press the Actions soft key. b Select Termination. c Select a termination. Your termination selections vary depending on the span. HST-3000 Copper Testing User’s Guide...
  • Page 110: Viewing A Saved Spectral Analysis Trace

    Spectral analysis is complete. Viewing a saved The following procedure describes how to view a saved trace. spectral analysis trace To view a saved trace Press the Results soft key. Press 2 to Load Reference Trace. HST-3000 Copper Testing User’s Guide...
  • Page 111: Comparing Traces

    DSL errors impacting performance. Another use for the comparison feature is to help identify the source of radio frequency interference (RFI) using the SDI-100. HST-3000 Copper Testing User’s Guide...
  • Page 112: Using The Sdi-100

    If set to a low number, the spectral measure- ments may look slightly erratic, because one measure- ment may be slightly higher or lower than the next. So, if you set this to a higher number, the measurement HST-3000 Copper Testing User’s Guide...
  • Page 113 However, the higher number will add latency. Therefore, specifying this setting as “1” will enable quicker responsiveness and easier location of the interferer. Start the test. The spectral graph will look similar to Figure Figure 2 Spectral trace HST-3000 Copper Testing User’s Guide...
  • Page 114 The selections vary depending on the selected span. Stop the test but do not exit. Save the spectral data. Select Results>Save graph data. Connect the SDI-100 to the test tool’s T, R, and Ground (A, B, earth) connectors. HST-3000 Copper Testing User’s Guide...
  • Page 115 10 View the difference of the saved and current trace by selecting Results>View Compared. The spectral graph will look similar to Figure Figure 3 Saved spectral trace compared to current HST-3000 Copper Testing User’s Guide...
  • Page 116 The point at which the signal drops will give you a bearing for the signal. 15 Move toward the signal. If it is increasing, you are going toward the disturbance. Modifying your bearing if the signal loses strength. You have located the signal. HST-3000 Copper Testing User’s Guide...
  • Page 117: Troubleshooting

    For this reason it is recommended that the initial approximate location of the radiating interferer be done with end of the antenna, searching for a peak signal. After an approximate bearing is established, the flat face of the antenna should be HST-3000 Copper Testing User’s Guide...
  • Page 118: Measuring Transmission Impairment In The Wideband

    As you approach the interferer, the received signal will increase and be strongest right next to it. Measuring With the transmission impairment measurement option, you can use the HST-3000 to perform the following types of wide- transmission band tests: impairment in the wideband –...
  • Page 119: Wideband Noise Testing

    “Far-end crosstalk (FEXT) testing” on page 108 Wideband noise To measure wideband noise testing Connect the primary Tip (T), Ring (R), and Ground leads to the line under test. Select the Noise test. See page HST-3000 Copper Testing User’s Guide...
  • Page 120 To begin the test, press the Start soft key. The noise result appears, in dBm, on the Wideband Noise screen. To view results in dBrn, press the Result soft key, and then select Display Results in dBrn. You have completed the measurement. HST-3000 Copper Testing User’s Guide...
  • Page 121: Signal To Noise Ratio Testing

    – Select Termination, and then termination select a value, in ohms, for the ter- mination. Press the Start soft key to begin the test. Results appear in the SNR screen. You have completed the test. HST-3000 Copper Testing User’s Guide...
  • Page 122: Impulse Noise Testing

    Press the Actions soft key. b Press the 3 key. c Type the noise threshold, and press the OK key. Select a filter by performing the following steps. a Press the Actions soft key. b Press the 5 key. HST-3000 Copper Testing User’s Guide...
  • Page 123 If an impulse noise “hit” occurs, a log file is generated that includes the date and time and the number of counts that occurred in that second. The log file also includes the termination, filter, threshold, and test start time. HST-3000 Copper Testing User’s Guide...
  • Page 124: Return Loss Testing

    Actions soft key, and then select Return Loss. c Press the Configure soft key. The Return Loss Compensate screen appears. d Follow the on-screen instructions. e When compensation is complete, press the Home navigation key. HST-3000 Copper Testing User’s Guide...
  • Page 125: Return Loss Sweep Testing

    To measure return loss over a range of frequencies Before you begin the test, JDSU recommends calibrating the HST: a Connect the Tip (A), Ring (B), and Ground (E) leads to the line under test. HST-3000 Copper Testing User’s Guide...
  • Page 126 To specify the termination (impedance), do the following. a Press the Actions soft key, and then select Termina- tion. b Select a value, in ohms, for the termination. To begin the test, press the Start soft key. HST-3000 Copper Testing User’s Guide...
  • Page 127: Near-End Cross Talk (Next) Testing

    You can specify the termination and tone frequency. To measure near-end crosstalk Connect both Tip (A) and Ring (B) pairs (T/R and T1/R1 or A/B and A1/B1) to the lines under test. Select the NEXT test (see page 96). HST-3000 Copper Testing User’s Guide...
  • Page 128: Near-End Cross Talk (Next) Sweep Testing

    This allows coupling from one pair to another to be detected. You can specify the termination, and the start and end frequencies for the sweep. HST-3000 Copper Testing User’s Guide...
  • Page 129 To specify the end of – Select NEXT Stop Frequency, the frequency range and then enter a value from 10 you want to view to 2000 kHz. – Press OK. Press the Start soft key to begin the test. HST-3000 Copper Testing User’s Guide...
  • Page 130: Far-End Crosstalk (Fext) Testing

    To measure far-end cross talk Connect both Tip (A) and Ring (B) pairs (T/R and T1/R1 or A/B and A1/B1) to the lines under test. Select the FEXT test (see page 96). HST-3000 Copper Testing User’s Guide...
  • Page 131 10 to 2000 kHz. Press the Start soft key to begin the test. The noise measurement appears in decibels on the FEXT screen. You have completed the test. HST-3000 Copper Testing User’s Guide...
  • Page 132: Performing Wb2 Measurements

    “WB2 Near-end cross talk (NEXT) sweep testing” on page 135) – Balance (See “WB2 Balance testing” on page 137) For additional information about HST options, contact your JDSU representative or contact JDSU through the company web site, www.jdsu.com. HST-3000 Copper Testing User’s Guide...
  • Page 133: Connecting To The Line

    When performing WB2 tests, connect to the line as described in the following procedure. the line NOTE: For best results, do not use the battery charger while per- forming WB2 TIMS measurements, especially when mea- suring very low amplitudes. HST-3000 Copper Testing User’s Guide...
  • Page 134 Connect pair 1 using the black and red leads, placing 1 full twist in the cable. – Connect the black lead to Tip (T, or “A”). – Connect the red lead to Ring (R, or “B”). HST-3000 Copper Testing User’s Guide...
  • Page 135 Figure Pair 1 Pair 2 Ground 2 Full 2 Full Twists Twists This cable NOT used for Receive Tones Cabling for test connection Figure 7 Connecting to the line HST-3000 Copper Testing User’s Guide...
  • Page 136: Using The Wb2 Spectral Analyzer

    With the spectral noise measurement, the HST-3000 can detect and measure the existence of interference such as AM spectral radio. The HST-3000 can display the noise on the line. analyzer To measure WB2 spectral noise Connect the Tip (A), Ring (B), and Ground (Earth) leads to the line under test, as described in “Connecting to the...
  • Page 137 So, if you set this to a higher number, the measurement appears more stable. However, the higher number will add latency. HST-3000 Copper Testing User’s Guide...
  • Page 138 Your termination selections vary depending on the span. 11 Optional. To superimpose a spectral mask for a specific technology, do the following: a Press the Display soft key and then press 7. b Select a technology. HST-3000 Copper Testing User’s Guide...
  • Page 139: Measuring Wideband2 Loss

    “Saving results” on page 167. 14 Press the Stop soft key. Spectral analysis is complete. Measuring The HST-3000 can send and receive tones to measure wide- band loss. wideband2 loss Receiving The following procedure describes how to receive wideband2 wideband2 tones tones.
  • Page 140 Performing WB2 measurements The Loss Meter menu appears. Press the Start soft key. The HST-3000 begins measuring the frequency and level of each tone. The loss appears in the bar graph. Optional. To change the display view, press the Display soft key, and then select Frequency List View or Frequency Meter View.
  • Page 141: Transmitting Wideband2 Tones

    Press the 8 key A Tx Frequency field appears. Enter a value for the frequency (kHz). Press the Start soft key. The tone graph appears. NOTE: Your display may look different, depending on your trans- mission selection. HST-3000 Copper Testing User’s Guide...
  • Page 142: Performing Two-Pair Wideband Measurements

    HDSL-4, which requires a two pairs. You can use the measurements HST-3000 to test both pairs simultaneously. To measure loss on both pairs Connect the Tip (A), Ring (B), T1 (A1), R1 (B1), and Ground (E) leads to the line under test, as described in “Connecting to the line”...
  • Page 143 A Tx Frequency field appears. Enter a value for the frequency (kHz), and then press the OK key. The Loss Meter menu appears. The HST-3000 begins measuring the frequency and level of each tone. The loss appears in the bar graph.
  • Page 144: Measuring Wideband2 Noise

    Press the Display soft key, then select WB2 TIMS. Select Noise. The Noise Power menu appears. Optional. To apply a filter, do the following: a Press the Actions soft key. b Press the 1 key. HST-3000 Copper Testing User’s Guide...
  • Page 145 135 ohm the 2 key Press the Results soft key to save or clear the results. For information on saving your results in graphical form, “Saving results” on page 167. Measuring wideband2 noise is complete. HST-3000 Copper Testing User’s Guide...
  • Page 146: Wb2 Signal To Noise Ratio Testing

    To specify the – Select Termination, and then select termination a value, in ohms, for the termination. Press the Start soft key to begin the test. Results appear in the SNR screen. You have completed the test. HST-3000 Copper Testing User’s Guide...
  • Page 147: Measuring Wb2 Impulse Noise

    Optional. To change the threshold units, do the following. a Press the Actions soft key. b Press the 3 key. This toggles between dBm and dBr n. HST-3000 Copper Testing User’s Guide...
  • Page 148 Optional. To change termination, do the following: a Press the Actions soft key. b Press the 6 key. c Select a termination. To select… Press… 100 ohm the 1 key 135 ohm the 2 key HST-3000 Copper Testing User’s Guide...
  • Page 149: Running A Wb2 Impulse Capture

    Measuring impulse noise is complete. Running a WB2 Impulse capture works like an oscilloscope. It provides a graphic display of the signal. impulse capture The following procedure describes how to run a WB2 impulse capture. HST-3000 Copper Testing User’s Guide...
  • Page 150 Press the 3 key. c Select a filter. To select… Press… G Filter the 1 key G2 Filter the 2 key J-20K8 the 3 key J-640K17 the 4 key J-17M25 the 5 key J-17M30 the 6 key HST-3000 Copper Testing User’s Guide...
  • Page 151 1 key 135 ohm the 2 key Press the Start soft key. Cursor As soon as the signal crosses the selected threshold, a time-domain graph will be displayed showing ±10 µs of when the impulse occurred. HST-3000 Copper Testing User’s Guide...
  • Page 152: Wb2 Return Loss Testing

    For information on saving your results in graphical form, “Saving results” on page 167. You have completed the procedure. WB2 Return This test measures return loss caused by impedance mismatches for a user-specified frequency. Results are loss testing displayed in decibels. HST-3000 Copper Testing User’s Guide...
  • Page 153 50 to 10000 kHz, and then press OK. Press the Start soft key to begin the test. The result appears in decibels (dB) in the Return Loss screen. You have completed the test. HST-3000 Copper Testing User’s Guide...
  • Page 154: Wb2 Return Loss Sweep Testing

    If the Return Loss screen appears, press the Actions soft key, and then select Return Loss Sweep. To specify the termination, press the Actions soft key, select Termination, and then select a value. To begin the test, press the Start soft key. HST-3000 Copper Testing User’s Guide...
  • Page 155: Wb2 Near-End Cross Talk (Next) Testing

    This test detects coupling at the near end from one pair of wires to another. The HST transmits a tone on a pair of wires cross talk from the near end while noise is measured on another pair of (NEXT) testing HST-3000 Copper Testing User’s Guide...
  • Page 156 – Select Termination, and tion (impedance) then select a value in ohms. To specify the transmit – Select NEXT Frequency, tone frequency and then enter a value from 25 to 30000 kHz. – Press OK. HST-3000 Copper Testing User’s Guide...
  • Page 157: Wb2 Near-End Cross Talk (Next) Sweep Testing

    “Connecting to the line” on page 113. Press the Display soft key, then select WB2 TIMS. Select the NEXT test. If the NEXT screen appears, press the Actions key, and then select NEXT Sweep. The NEXT Sweep screen appears. HST-3000 Copper Testing User’s Guide...
  • Page 158 Shift + left/right zooms on the X axis Shift + up/down zooms on the Y axis. Use the left and right arrow keys to move the cursor and change to different frequencies within the range. You have completed the test. HST-3000 Copper Testing User’s Guide...
  • Page 159: Wb2 Balance Testing

    Action To specify the termi- – Select Termination, and then nation select a value, in ohms, for the termination. To change the receive – Select RX Frequency, and frequency then enter a frequency, in kHz. HST-3000 Copper Testing User’s Guide...
  • Page 160 HST at the far end as shown on the screen. Press the Start soft key to begin the second step of the test. The results appear on the screen. You have completed the test. HST-3000 Copper Testing User’s Guide...
  • Page 161: Testing With A Fed

    This chapter provides task-based instructions for using the optional far end device (FED) accessory for testing. Topics discussed in this chapter include the following: – “About controlling a Far End Device” on page 140 – “Manually commanding the FED” on page 140 HST-3000 Copper Testing User’s Guide...
  • Page 162: About Controlling A Far End Device

    After a technician has connected a FED (such as the JDSU UltraFED) to the far end of the pair under test and has connected the HST-3000 to the near end, the HST controls the FED using DTMF tones. JDSU's newer Far End Devices (the UFEDIIB and newer) are uniquely addressable.
  • Page 163 Connects a tone generator across tip (A) to ring (B) and sends a 577 Hz tone. Trace Tone 2 Connects a tone generator across tip (A) to ring (B) and sends a 1004 Hz tone. HST-3000 Copper Testing User’s Guide...
  • Page 164 R1. This is used primarily for RFL mea- surements on a known good pair. Multi Tone Connects the complex tone from tip (A) to ring (B). This is used for spectral tone tests when checking loss or cross- talk. HST-3000 Copper Testing User’s Guide...
  • Page 165 FEDs connected to the line, select All FEDs from the FED ID menu. Go to step – If you are using a newer UFEDIIB, you can select a specific FED to control, go to step HST-3000 Copper Testing User’s Guide...
  • Page 166 Press the SEND soft key. The command that you specified in step 4 – step 6 is sent and the test runs for the specified duration. You have completed the test. HST-3000 Copper Testing User’s Guide...
  • Page 167: Chapter 10 Automated Tests

    “Bridged tap test” on page 160 – “True length test” on page 161 – “RFL pretest” on page 163 – “Kick test” on page 164 – “Shield test” on page 165 – “Customizing test scripts” on page 166 HST-3000 Copper Testing User’s Guide...
  • Page 168: Automated Tests

    Chapter 10 Automated tests About the automatic tests About the automatic tests The Auto Test features of the HST-3000 allow automatic testing (scripts). Features include the following: – Good Pair Check — Out-of-service pair quality check – Closeout Test — A Bellcore (Telcordia) T.136 five-point test sequence –...
  • Page 169: Good Pair Check

    Connect the Tip (A), Ring (B), and Ground (E) leads to the line under test. Access the Copper Scripts menu (see page 146). Press the 2 key to select Good Pair Check. A list of configurations appears. HST-3000 Copper Testing User’s Guide...
  • Page 170 The purpose is to see if changes in the result are caused by the continuous testing of the circuit with the leakage mode ohm meter. HST-3000 Copper Testing User’s Guide...
  • Page 171 – Press the 1 key to save the configuration. Enter the file name for the configuration file then press the OK key. The HST-3000 saves the configuration and starts the test. – Press 2 to run the test without saving the configura- tion.
  • Page 172: Pots Closeout

    Go to step – If you want to edit the configu- ration, press the 2 key. – Select the item to change. – Press 1 to Accept Configs. Go to step New configuration Go to step HST-3000 Copper Testing User’s Guide...
  • Page 173 – Press the 1 key to save the configuration. Enter the file name for the configuration file then press the OK key. The HST-3000 saves the configuration and starts the test. – Press 2 to run the test without saving the configura- tion.
  • Page 174: Wideband Autotest

    To run a wideband autotest Connect the Tip (A), Ring (B), and Ground (Earth) leads to the line under test. Access the Copper Scripts menu (see page 146). Press the 4 key to select Wideband AutoTest with FED. HST-3000 Copper Testing User’s Guide...
  • Page 175 Select the cable gauge. Select a voltage termination (100K-ohms or 1M-ohm). 10 Edit the pass/fail threshold criteria for each test. Select Continue when finished. 11 Select the tests you want to include in the autotest. HST-3000 Copper Testing User’s Guide...
  • Page 176 – Press the 1 key to save the configuration. Enter the file name for the configuration file then press the OK key. The HST-3000 saves the configuration and starts the test. – Press 2 to run the test without saving the configura- tion.
  • Page 177: Hst-3000 Copper Testing User's Guide

    For this test, it is recommended that you use a far end device (FED) at the far end of the circuit. The following procedure describes how to run the Copper Expert test. HST-3000 Copper Testing User’s Guide...
  • Page 178: Associating Test Records With Test Results

    For information about creating, modifying and deleting test records, see the HST-3000 Base Unit User’s Guide. To associate a test record with test results After running the Auto Test, press the OK key to Continue.
  • Page 179: Copper Dsl Test

    Running the The following procedure describes how to run a Copper DSL test. script To run a Copper DSL test Connect the Tip (A), Ring (B), and Ground (Earth) leads to the line under test. HST-3000 Copper Testing User’s Guide...
  • Page 180 – Voltage (VDC, VAC T-G/R-G, and VAC T-R) – Circuit Res (Resistance/Leakage) – Opens – Longitudinal Balance – Power Influence – Circuit Noise – WB Noise – WB NEXT – WB Impulse Noise HST-3000 Copper Testing User’s Guide...
  • Page 181: Series Fault Test

    – Press the 1 key to save the configuration. Enter the file name for the configuration file then press the OK key. The HST-3000 saves the configuration and starts the test. – Press 2 to run the test without saving the configura- tion.
  • Page 182: Constraints

    Bridged tap test The Bridged Tap script runs a TDR test and then an Opens test toward a UFED to determine if the line under test has a bridged tap and the length of the tap. HST-3000 Copper Testing User’s Guide...
  • Page 183: Constraints

    The True Length test measures the actual, or “true” length of the pair using results from opens, TDR & loop resistance. Since any one of these measurements on its own may be misleading, the combination of the three gives a better result HST-3000 Copper Testing User’s Guide...
  • Page 184: Constraints

    In certain cases, the gauge of the tested pair can be deter- mined. That result is displayed as a soft key. Possible results for gauge are ‘22’, ‘24’, ‘26’, ‘Mixed’ and blank. The TDR uses HST-3000 Copper Testing User’s Guide...
  • Page 185: Rfl Pretest

    To run a RFL PreTest Connect the Tip (A), Ring (B), and Ground (Earth) leads to the line under test. Access the Custom Scripts menu. Select OneCheck RFL PreTest. Select the UFEDIIB pair. The test begins. HST-3000 Copper Testing User’s Guide...
  • Page 186: Kick Test

    Access the Custom Scripts menu. Select OneCheck Kick Test. The test begins. If the voltage test detects battery, a “open all” command is sent to the FED, and the test restarts. HST-3000 Copper Testing User’s Guide...
  • Page 187: Shield Test

    Access the Custom Scripts menu. Select OneCheck Shield Test. Select the UFEDIIB pair. The test begins. The test sets the FED to strap all leads, then runs either the RFL test, or leakage resistance. HST-3000 Copper Testing User’s Guide...
  • Page 188: Customizing Test Scripts

    If you purchased custom scripts, you can access them by pressing the AutoTest navigation key. NOTE: For more information about purchasing customized test scripts, contact your JDSU sales representative. HST-3000 Copper Testing User’s Guide...
  • Page 189: Saving Results

    – “About saving results” on page 168 – “Saving and clearing results” on page 168 – “Appending result files” on page 169 – “Saving graphs” on page 169 – “Saving screen captures” on page 170 HST-3000 Copper Testing User’s Guide...
  • Page 190: About Saving Results

    Press the OK key to save results to the file or press Cancel to exit. The test results are saved to the file. For information about managing files, see the HST-3000 Base Unit User’s Guide. To clear on-screen results From any result menu, press the Results soft key.
  • Page 191: Appending Result Files

    Press the OK key to save results to the file. The results are saved to the file. For information about managing files, see the HST-3000 Base Unit User’s Guide. Saving graphs If you want to save a graph or trace in text format, you can use the Save Graph feature.
  • Page 192: Saving Screen Captures

    Type the name of a file, or press the OK button to accept the default. The HST-3000 saves the graphic in BMP format. You can retrieve the files from the HST-3000 by connecting through a serial port. Table 12 lists the locations of the graphics.
  • Page 193 Chapter 11 Saving results Saving screen captures For more information about managing files, see the HST-3000 Base Unit User’s Guide. HST-3000 Copper Testing User’s Guide...
  • Page 194 Chapter 11 Saving results Saving screen captures HST-3000 Copper Testing User’s Guide...
  • Page 195: Chapter 12 Interpreting Test Results

    – “Load coils” on page 182 – “POTS dialer” on page 183 – “WB TX/RX” on page 184 – “WB Noise” on page 184 – “Impulse Noise” on page 184 – “RFL” on page 185 HST-3000 Copper Testing User’s Guide...
  • Page 196: Interpreting Test Results

    Application Ring voltage level can be checked by having the CO ring back on the line. Results should be either 85 volts (older switches) or 105 volts (newer switches). DC voltage The following section describes the DC voltage result. Question Why do you measure DC volts? HST-3000 Copper Testing User’s Guide...
  • Page 197: Dc Current

    ID boxes. DC current on Tip to Ring should be ≥ 23 mA at the NID. Anything less will not allow for differences in temperature and phone equipment will not operate during extremes. HST-3000 Copper Testing User’s Guide...
  • Page 198: Resistance

    Application Loop resistance is measured with the pair short circuited (shorted) at one end, so a much lower resistance value is measured, as the current can readily flow down one lead and easily back up the other across the short. This “loop resis- HST-3000 Copper Testing User’s Guide...
  • Page 199: Opens

    – find wet sections, bridged taps or open faults. Opens/Capacitance: < 3% difference between Tip and Ring values indicate an acceptably balanced loop. Anything greater indicates an unbalanced line or open fault, which inhibit digital signals. HST-3000 Copper Testing User’s Guide...
  • Page 200: Pi/Noise/Balance

    If they do not cancel induced noise equally, the difference is realized as unwanted current, or metallic or mutual noise. If the imbalance of the leads is too great, the customer would hear noise. HST-3000 Copper Testing User’s Guide...
  • Page 201: Tdr

    The following section describes the TDR result. Question Why do you use a TDR (Time Domain Reflectometer)? Answer You use a TDR to identify and locate buried splices, shorts and low resistance faults, opens, bridge taps, load coils, and wet cables. HST-3000 Copper Testing User’s Guide...
  • Page 202 Any impairment which creates a strong signal reflection creates a upward bump in the trace (such as the open end of a loop). Basic DVOM and capacitance meters can also determine impairments, whereas the TDR is used to locate the faults. HST-3000 Copper Testing User’s Guide...
  • Page 203 VP, Pulse Width, Gain, and Zoom. The examples above were not performed in TVG (Time Varying Gain) mode. HST-3000 Copper Testing User’s Guide...
  • Page 204: Loss

    Sometimes 404 Hz, 1004 Hz and 2804 Hz loss is measured to ensure attenuation is constant over the POTS frequency range. Load coils The following section describes the load coil result. Question Why do you check for load coils? HST-3000 Copper Testing User’s Guide...
  • Page 205: Pots Dialer

    Answer You use the POTS dialer to: – place calls to drop battery for opens testing, or to estab- lish a quiet termination for balance and noise tests. – place POTS calls or check caller ID. HST-3000 Copper Testing User’s Guide...
  • Page 206: Wb Tx/Rx

    BRI or ADSL. Impulse Noise The following section describes impulse noise. Question Why do you measure impulse noise? Answer Impulse noise is used to check for the presence of noise spikes that disrupt digital services. HST-3000 Copper Testing User’s Guide...
  • Page 207: Rfl

    The following section describes the RFL. Question Why do you use an RFL? Answer You use an RFL to find resistive faults such as poor splices, water, shorts, and battery crosses by cable damage (caused by rodents, the weather, etc.). HST-3000 Copper Testing User’s Guide...
  • Page 208 Chapter 12 Interpreting Test Results HST-3000 Copper Testing User’s Guide...
  • Page 209: Chapter 13 Maintenance And Troubleshooting

    – “Copper test problems” on page 188 About troubleshooting If you are having trouble with the HST-3000, the following sections describe common problems and solutions. You should verify whether your problem is listed here before contacting technical assistance. There are two sections included: –...
  • Page 210: General Test Problems

    I am performing an Opens test. The mutual value looks good, but the Tip and Ring values are really short. Resolution Verify the ground. The module must be grounded to the same ground as the pair under test. HST-3000 Copper Testing User’s Guide...
  • Page 211: Appendix A Specifications

    “Transmission impairment specifications” on page 192 – “RFL specifications” on page 194 – “K-Test specifications” on page 194 – “Spectral measurement specifications” on page 195 – “TIMS filter specifications” on page 196 – “WB2 specifications” on page 197 HST-3000 Copper Testing User’s Guide...
  • Page 212: About The Copper Specifications

    10 to 50kft (157 to 786nF) 1 ft 50 to 100kft (0.78 to 1.6uF) 1 ft 10 % Power Influence 40 to 120 dBnrc 1 dB 2 dB Noise 0 to 50 dBnrc 1 dB 2 dB HST-3000 Copper Testing User’s Guide...
  • Page 213 ± 2dB threshold E filter 35 to 100dBrn 1 count ± 2dB threshold WB TX Tones amplitude +5 to -10dBm ± 0.5dB -10 to -20dBm ± 1dB frequency 10kHz to 2.2 MHz 0.05% 100/135 Ω impedance HST-3000 Copper Testing User’s Guide...
  • Page 214: Transmission Impairment Specifications

    @ +3, 0, or -10 dBm notch filters 820 or 1020 Hz 900/600 Ω and Bridge termination level 0 to 50 dB ± 2 dB frequency 820 and 1020 Hz filter C-message, Psophomet- ric, Channel, or No filter termination 900/600 HST-3000 Copper Testing User’s Guide...
  • Page 215 40 dB 100/135 Ω termination FEXT level 0 to 50 dB at 500 kHz ± 2 dB at 1 MHz and frequency 10 to 2000 kHz crosstalk of 40 dB 100/135 Ω termination HST-3000 Copper Testing User’s Guide...
  • Page 216: Rfl Specifications

    K-Test measure- ment. Table 16 K-Test measurement specifications Distance Fault Size Accuracy Ω Ω max 7,000 max 20 M RTF (resistance to fault) accuracy is 3% or +/- 3 ohms whichever is greater HST-3000 Copper Testing User’s Guide...
  • Page 217: Spectral Measurement Specifications

    DC to 6144 Hz Frequency resolution Wideband: 2 kHz or 4 kHz Narrowband: 1.5 Hz or 6 Hz Wideband: 75 Ω, 100 Ω 120 Ω, 135 Ω, or Bridge Terminations Narrowband: 600 Ω, 900 Ω or Bridge HST-3000 Copper Testing User’s Guide...
  • Page 218: Tims Filter Specifications

    5 kHz to 4 MHz Noise E Filter 1 kHz to 50 kHz IEEE Standard 743 Impulse Noise Noise F Filter 4.9 kHz to 245 kHz IEEE Standard 743 G Filter 20 kHz to 1.1 MHz IEEE Standard 743 HST-3000 Copper Testing User’s Guide...
  • Page 219: Wb2 Specifications

    51 kHz to 100 kHz 1 dB ±1.5 dB +14 to -40 dBm 100 kHz to 9.99 MHz 1 dB ±1.0 dB +14 to -40 dBm 10 MHz to 30 MHz 1 dB ±1.5 dB HST-3000 Copper Testing User’s Guide...
  • Page 220: Wb2 Spectral Measurement Specifications

    ± 2 dB for results 100/135 Ω Termination between 5 dB and 40 dB Balance 0 dB to 60 dB 1 dB ± 2 dB WB2 Spectral Table 20 provides specifications for the WB2 spectral measurements. measurement specifications HST-3000 Copper Testing User’s Guide...
  • Page 221 17.6 MHz to 30 MHz 4.3125 kHz +15 to -90 dBm, -28 to -147 dBm/Hz 20 kHz to 30 MHz 8.625 kHz +15 to -90 dBm, -29 to -144 dBm/Hz 100 Ω, 135 Ω Terminations HST-3000 Copper Testing User’s Guide...
  • Page 222: Wb2 Tims Filter Specifications

    Impulse J-17M25 17.6 MHz 25 MHz None Filter 17.6 MHz 25 MHz Noise 17.6 MHz 25 MHz Impulse J-17M30 17.6 MHz 30 MHz None Filter 17.6 MHz 30 MHz Noise 17.6 MHz 30 MHz Impulse HST-3000 Copper Testing User’s Guide...
  • Page 223 Appendix A Specifications WB2 specifications Table 21 Wideband2 filter ranges (Continued) Filter Lower 3dB Upper dB Measurement Specification J-25M30 25 MHz 30 MHz None Filter 25 MHz 30 MHz Noise 25 MHz 30 MHz Impulse HST-3000 Copper Testing User’s Guide...
  • Page 224 Appendix A Specifications WB2 specifications HST-3000 Copper Testing User’s Guide...
  • Page 225 Delay indicates how cation and troubleshooting of long it takes bits to find their way VDSL and ADSL2+ networks. through a network. Digital — Having only discrete values, such as 0 or 1. Gnd — Ground. HST-3000 Copper Testing User’s Guide...
  • Page 226 The of linking data devices together. discrepancy between the two help to trace the fault. TDR — Time domain reflectom- eter. HST-3000 Copper Testing User’s Guide...
  • Page 227: Hst-3000 Copper Testing User's Guide

    Glossary WAN — Wide Area Network. A data communications network that spans any distance and is usually provided by a public carrier. HST-3000 Copper Testing User’s Guide...
  • Page 228 Glossary HST-3000 Copper Testing User’s Guide...
  • Page 229 Opens test Auto interpret TDR Closeout test Auto TDR 36–37 Comparing traced TDRs Automatic tests 146–166 about Compensating RFL closeout Compliance information custom scripts Connections good pair check ground wideband 152, ring Conventions xvii HST-3000 Copper Testing User’s Guide...
  • Page 230 Dual traces DVOM 10–19 alarm Error LED battery data error loopback sync Far-end crosstalk Load coils detecting result description addressing controlling 140–144 Locating cable faults using the RFL FEXT test using the TDR 34, Loopback LED HST-3000 Copper Testing User’s Guide...
  • Page 231 Noise testing, wideband wideband 103, Noise with tone test, voice band compensating description locating cable faults result description Opens compensating for test lead effect Ringers custom cable 24–25 measuring result description ringers Safety information troubleshooting values Options HST-3000 Copper Testing User’s Guide...
  • Page 232 41, voice band return loss worldview voice band return loss sweep zooming voice band signal to noise ratio Technical assistance HST-3000 Copper Testing User’s Guide...
  • Page 233 77, copper testing option user’s result description guide TIMS 4-wire 80, transmission impairment tests transmitting tones 78, Worldview, TDR Velocity of Propagation definition TDR test Viewing traced TDRs 41, Zooming, TDR trace HST-3000 Copper Testing User’s Guide...
  • Page 234 Index HST-3000 Copper Testing User’s Guide...
  • Page 236 Communications Test and Measurement Regional Sales North America Latin America Asia Pacific EMEA www.jdsu.com Toll Free: 1 855 ASK JDSU Tel: +55 11 5503 3800 Tel: +852 2892 0990 Tel: +49 7121 86 2222 Tel: +1 240 404 2999 Fax:+55 11 5505 1598 Fax:+852 2892 0770 Fax:+49 7121 86 1222 Fax:+1 240 404 2195...

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