Microtest TSB-67 - 568A Annex E Attenuation Test Results, Attenuation Detail, Attenuation Graph

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Attenuation Test Results

To display the ATTENUATION screen, press View (F1) from the AUTOTEST RESULTS screen, then press the ¬ arrow key until the ATTENUATION screen is displayed.

At the upper left of the screen, the pair corresponding to the displayed result is shown. The Attenuation, in decibels (dB), is shown centered and the frequency is shown to the right. The PASS/FAIL bar across the screen compares the measured Attenuation value to the Attenuation limit value. The Autotest name is displayed after Spec: at the lower left of the screen.

Press Detail (F1) to display the frequency sweep range and the test results for all pairs.

Press Pair (F3) to toggle through the Attenuation results for each pair combination.

Press the ∉ or ∠ arrow key to display the previous or next test results screen.

Press the ESCAPE key to return to the AUTOTEST RESULTS screen.

Note: For diagnostic purposes, you can run Attenuation continuously by pressing the Measure Cable Performance key and selecting Attenuation.

Attenuation Detail

To display this screen, press Detail (F1) from the ATTENUATION screen. This screen displays the frequency sweep range and the worst case Attenuation for each pair.

Press Graph (F1) to enter graphing mode. Graph (F1) is available when Save Sweep Data: Attn has been selected in the SAVE AUTOTEST screen or when viewing results immediately after running the Autotest.

Press Pair (F3) to toggle through the available pair combinations.

Press the ESCAPE key to return to the Attenuation screen.

Attenuation Graph

To display this screen, press Detail (F1) from the ATTENUATION screen, then press Graph (F1). This screen displays the Attenuation graph for the indicated pair combination.

Press Zoom (F1) to magnify the area of the graph around the cursor. The Zoom key can select 1x, 2x, 5x or 10x magnification.

Press Print (F2) to print the Attenuation graph.

Press the ESCAPE key to return to the Attenuation Detail screen.

Attenuation-to-Crosstalk Ratio (ACR)

Attenuation-to-Crosstalk Ratio (ACR) is an indication of how much larger the received signal is compared to the noise (NEXT) on the same pair. ACR reports the difference between NEXT and Attenuation on the cable. Both Attenuation and NEXT are measured and the ACR value is computed at each measured Attenuation frequency. The worst case ACR is reported for each pair combination.

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Contents N t a S c a n n e r O d u c t F a m i l y E r G u i d e Introduction Ni-Cd Battery Scanner and 2-Way Injectors Charging the Scanner’s BatteryGetting Started Ready ScreenNi-Cd Battery Tips Way Injector+/2-Way Injector BatteryBattery Refresh Mode PentaScanner+ is in battery refresh modeTest Connectors Super Injector+/Super Injector BatteryHigh Voltage Protection Way Injector+/2-Way Injector LED IndicatorsPass FailWhen to Use the Injector Super Injector+/Super Injector LED IndicatorsCharging CircuitInjector Calibration Using Multiple InjectorsCalibration Connections Mod 8 Adapter NotePress the Extended Functions key Connections Basic Link with IDC Block and Modular 8 Jack Basic Link with Modular 8 JacksFull Channel Modular 8 Link Autotest Selecting the Cable Type Steps for Running AutotestExtended Functions key and select Calibrate Injector Calculating NVP Editing the Cable TypeEditing Autotest Information Customizing AutotestEditing the Autotest Name Selecting Tests to Run During Autotest Selecting Pairs for AutotestRunning Autotest Editing Test LimitsAutotest Results Screen Wire Map Test Results Wire MapViewing Autotest Results Customizing Length Limits LengthLength Test Results Propagation Delay Test Results Propagation Delay Customizing Delay LimitsNear End Crosstalk Next Measuring Next at Both Ends of the LinkNext Test Results Customizing Next LimitsNext Graph Next DetailAttenuation Attenuation Limits and Frequency Customizing Attenuation LimitsEditing Attenuation Limits Attenuation Detail Attenuation Test ResultsAttenuation Graph Attenuation-to-Crosstalk Ratio ACRACR Test Results Customizing ACR LimitsImpedance ISO Class DImpedance Test Results Customizing Impedance LimitsLoop Resistance Loop Resistance Test Results Customizing Loop Resistance LimitsCapacitance Customizing Capacitance LimitsSaving Autotest Results Capacitance Test ResultsPrinting Autotest Results Save Sweep DataViewing Autotest Results Summary Sample Autotest Report Editing with the Alphanumeric Keypad Editing, Printing & UpdatingEditing with the Arrow Keys Memory, then press Print F3 Printing or Downloading Test ResultsUploading Autotest Reports to Windows Terminal Printing TipsProcomm Plus for Windows Problem My printout is garbled. Why? Troubleshooting Printing ProblemsUpdating Scanner Software from the PC Downloading Software UpdatesWaiting for Reflash Updating the 2-Way Injector+/2-Way InjectorOne or more stored Autotest results have been lost World Wide Web Technical SupportPenta -C1 Download of Flash image file completeMicrotest Bulletin Board System BBS Find Cable FaultsFaxFacts Cross Wiring Wire Map for Both Ends of the LinkShort at the Injector End Short at the Scanner EndGraph F1 Measure Cable PerformanceAttenuation Limits Next SweepAttenuation Noise Length/DelayImpulse Noise Peak-to-Peak Noise Analyze LAN TrafficLAN Traffic Display Extended Functions Setting Up the Traffic MonitorExtended Functions Menu Autotest MemoryCalibrating the Injector Autotest SetupSetting Backlight and Auto Shutoff Times Setting Up User PreferencesSetting Up Units Editing Owner/Company NameSetting the Date and Time Setting Up the Printer PortSelecting a Graphics Printer Displaying Injector Information Appendix a SpecificationsTracing a Cable Locating an Office Cable DropUser Interface Wire MapEnvironmental Measurement PortsNear-End Crosstalk Next LengthAttenuation Loop Resistance ImpedanceCapacitance Impulse NoisePower Control Rechargeable BatteryHigh Voltage Input/Protection LED DisplaysSuper Injector+/Super Injector Physical Characteristics Way Injector+ Next Measurement Performance SpecificationsFeatures Working with 150 Ohm Cables Appendix B 150 ohm CablesCreating a Cat 5 Test for Token Ring EnvironmentCable Pin-outs Appendix C Cable Pin-outsPress Save F1 Serial Cable DB-9 Female to DB-9 Male Pin-outsAppendix D Working with Coaxial Cable Length/Delay Test Results Peak-to-Peak Noise Test Results Impulse Noise Test Results
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