LANcat - Electrocomponents
Contents
1. dB Frequency Page 25 LANcat System 6 User Manual Sample C5e Autotest Report LANcat CABLE CERTIFICATION REPORT 1 Circuit ID Cable Test Standard CATSe Basic Link Location Date Tested 12 10 1998 TEST SUMMARY PASS Local Module Type C5e Modular Plug Remote Module Type C5e Modular Plug Serial Number 0000000 V9 99D4 Cable NVP 72 0 Wire Map PASS Near End Remote End Length PASS Limit 308ft Length Delay Skew Comments eft ins OPEN 7ft ons OPEN eft ons OPEN oft 2ns OPEN Attenuation Attenuation Limit Margin Frequency PSNEXT Power Sum Limit Margin Frequency Remote PSNEXT Power Sum Limit Margin Frequency Return Loss Return Loss dB Limit dB Margin dB Frequency MHz Rem Return Loss Return Loss dB Limit dB Margin dB Frequency ELFEXT PASS ELFEXT dB Limit dB Margin dB Frequency MHz ELFEXT dB Page 26 Test Reports Limit dB Margin dB Frequency MHz Remote ELFEXT PASS ELFEXT dB Limit dB Margin dB Frequency MHz ELFEXT dB Limit dB Margin dB Frequency MHz PSELFEXT PASS Power Sum dB Limit dB Margin dB Frequency MHz REM PSELFEXT PASS Power Sum dB Limit dB Margin dB Frequency Operator Comments END REPORT 1 Page 27 LANcat System 6 User Manual Performance Module Cable Replacement The performance module test cable can be field replaced should the part become worn or damage2. pair within the four pair cable It is also sometimes called pair to pair NEXT TSB 67 requires that pair to pair NEXT be measured on all six pair combinations and that the worst pair to pair NEXT measurement not exceed specified test limits for the Basic Link or Channel test configurations SP Crosstalk The pair to pair NEXT measurements however only account for crosstalk coupled from any one pair to another not the possible total crosstalk that might be coupled from multiple pairs in the same sheath The TSB 67 methodology assumes that only two pairs of the cable would be used at any given time for data transmission While pair to pair NEXT is an appropriate crosstalk measure for 2 pair network schemes such as 10BASE T and 100BASE Tx it does not provide an adequate measure of cable performance when multiple pairs within the same sheath may be transmitting simultaneously such as in Gigabit Ethernet Page 20 Certifying Category 5 Cabling Power Sum NEXT Method Power Sum NEXT PS NEXT is the sum of the NEXT power coupled to a wire pair from all other adjacent pairs Power Sum is specified by TIA 568A as the recommended method for characterizing NEXT of multipair backbone cable PS NEXT can be computed from the individual pair to pair NEXT measurements jj gt gt Crosstalk The graph below shows the computed PS NEXT for a typical CAT 5 link compared to a composite curve representing the greatest i e clo
3. you This warranty gives you specific legal rights and you may also have other rights which vary from state to state Datacom Textron certifies that this instrument was thoroughly tested and found to meet its published specifications when shipped from the factory Page 32
4. LANcat System 6 with C5e Performance Module User Manual Addendum DATACOM liuic Datacom Textron may make improvements or additions to this publication or their products at any time without notice Datacom Textron shall not be liable for technical or editorial errors or omissions contained herein LANcat is a registered trademark of Datacom Textron P N 13789 Rev B Copyright 1998 by Datacom Textron 11001 31st Place West Everett WA 98204 Telephone 425 355 0590 800 468 5557 Fax 425 290 1600 www datacom textron com Contents Contents LANcat System 6 Introduction 3 Enhanced Test Specifications ss 4 Test Reports eret oer 5 Performance Module Installation 6 Autotests 8 Running Autotest ee eeeeee eee eerte ee eene eene enne nntn 10 Viewing 250 MHz Autotest Results 11 Viewing Test Results sss 11 Link Performance Screen 12 Power SUM AOR nhe eerte t eere 13 Return LOS etre teret ere 14 Viewing Return Loss Results 14 ELEEXT atr Hr ats 16 Viewing Power Sum ELFEXT Results 18 Certifying Category 5 Cabling 20 Pair to Pair NEXT Method 20 Power Sum NEXT Method een 21 Page 1 LANcat System 6 User Manual Link Performance Analysis Beyond 100 MHz ACR and Headroom 23 Test Reports 24 Performance Module Cable Replacement 28 Warranty 31 User Guard Support Program 31 Two Year Product Warranty
5. d Steps 1 Remove module from main unit unit off 2 Remove Philips screws holding module halves together 3 Slide top cover of module off lower portion 4 Cut zip tie 2 Page 28 Performance Module Cable Replacement 5 Loosen the screws on the cable terminal blocks and remove the wires Remove the black grommet 1 from the old cable Remove the module cover from the old cable Install the module cover onto the new cable oo I Install the grommet onto the new cable and position it as shown 1 10 Insert the stripped wire ends 4 of the replacement cable into the terminal blocks Make sure to note the proper position and color codes of the wires Note The factory cable is wired as per T568B It is possible to use a T568A test cable if the module is wired accordingly To wire the module to T568A swap the positions of the orange orange white and green green white wire pairs Tighten the terminal block screws 11 Position the grommet as shown and fasten into place using new zip tie 2 Make sure the grommet is positioned as shown 3 12 Slide the module cover back into place and fasten using screws provided Do not overtighten 13 Insert module back into main unit It is recommended that a Performance Module calibration be performed after replacing the cable Page 29 LANcat System 6 User Manual NOTE To achieve optimum performance advanced cabling systems manufact
6. desirable to have the least amount of energy reflected larger values are desirable Return Loss is especially important for applications such as Gigabit Ethernet that use simultaneous bi directional transmission Return Loss measurements are made to 100 MHz as required in the proposed Enhanced Category 5 specification Viewing Return Loss Results RETURH LOSS H dB Serec 21 1 17 0 Test a 17 0 rer 141393 1740 Specification 1 7 2 3 22 2 17 0 E 1 3 4 Y 5 Press GRAPH F2 to view a graph of Return Loss results Page 14 Autotests Test Limit Cursor int SUMMARY PRIKT Test Results Return Loss Reporting Return Loss measurements for Enhanced Category 5 are being added to TIA EIA 568 A via Standards Proposal 4195 A When this proposal is adopted standard 568 A will be amended as 568 A 5 At this point in time the committee developing Proposal 4195 is still debating the standards for devices measuring return loss and the return loss limits for installed cabling Since actual requirements are still under debate return loss is reported for informational value only Standards that require return loss measurements will not be failed based on return loss measurements Page 15 LANcat System 6 User Manual ELFEXT Equal Level Far End Crosstalk or ELFEXT is derived from Far End Crosstalk FEXT measurements and attenuation measurements FEXT is a measure of the unwanted signal fro
7. ease refer to the LANcat Series Cable Testers User Manual for general operation maintenance and specifications Enhanced Test Specifications The following 100 MHz Certification Standards can be extended to 250 MHz for verification purposes Page 4 TSB 67 CAT 3 4 5 TIA Category 5e TSB 95 ISO 11801 Class C D EN50173 Class D ScTP Class C D AS NZS 3080 Class C D BICC Millennium FTP 120 Ohms JIS X 5150 Introduction A TwoWay system two LANcat System 6 testers is required for 250 MHz tests and all Remote NEXT ELFEXT and Return Loss tests Firmware versions below 6 00 require factory calibration before running 250 MHz tests Contact Datacom Textron for factory calibration details Cable Grading is not available for firmware versions 6 00 D3 D4 or higher Cable grading has been superceded by headroom and link performance analysis detail screens The following 100 MHz Network Standards can be extended to 250 MHz for verification purposes e IEEE 100BASE Tx e ANSI X3T9 5 TP PMD e ATM 155 MBPS Test Reports Each LANcat tester can store up to 400 test reports 800 total per system Test reports can be saved in 3 different formats e Encrypted tamper proof Report Manager format e Comma Separated Variable for import into spreadsheet programs e Text files for import into word processing programs Page 5 LANcat System 6 User Manual Performance Module Installation Make sure the unit is turn
8. ed off before attempting module installation or removal To install the C5e Performance Module slide it into the opening on the LANcat until the screws rest against the retainers then evenly hand tighten the screws until the module is properly seated refer to Figure 1 1 To remove a module loosen the thumbscrews at either side of the module until the screws are free of the retainers Hold the module on either side and slide it out of the opening CAUTION To avoid damage to the LANcat tighten the screws evenly using finger pressure only Make sure to turn both screws either simultaneously or alternately in small increments The module is designed to be installed or removed without tools Page 6 Performance Module Installation STATIC AWARENESS G The LANcat contains static sensitive electronics inside the main body Use appropriate precautions when removing and installing performance modules Performance _ gt Module Figure 1 1 Module Installation Page 7 LANcat System 6 User Manual Autotests Autotest is a preprogrammed suite of tests that are required to certify a cabling link The following tests are required by TIA EIA e Wire Map e Near End Crosstalk NEXT e Attenuation e Length e Return Loss CATSe e ELFEXT CATSe The following tests may be added to the Autotest suite of tests by defining a Custom Cable standard see the LANcat User Manual Appendix A Defining Custom Sta
9. m a transmitter at the near end into a neighboring pair at the far end ELFEXT is expressed in dB as the difference between the measured FEXT and the attenuation of the disturbed pair Power Sum ELFEXT takes into account the combined crosstalk on a receive pair from all the far end disturbers operating simultaneously ELFEXT measurements are made to 100 MHz as required in the proposed Enhanced Category 5 specification Viewing ELFEXT Results Test Summary FASS FASS FASS 85 GKAFH DETATL Press DETAIL F3 to view ELFEXT test specifications Page 16 Autotests un T m a JE Test Specification Zn ocn nU ho TP td I od a Bee Sh EE 81 SEHD GRAPH SUMMARY GD CE CHO D Press GRAPH F2 to view a graph of ELFEXT Results Test Limit Cursor 44 4dB amp 5 5HHz 100 R SUHHREV PRIHT Test Results Page 17 LANcat System 6 User Manual Viewing Power Sum ELFEXT Results Test Summary 63 3 PASS W T PASS 1 4 PASS 1 2 PASS HB SPEC SAUE dE Srec FE 3 3 53 8 5 7 52 8 un com 71 4 53 8 pecitication T0 B45 STATUS SAIE Press GRAPH F2 to view a graph of PS ELFEXT Results Page 18 Autotests Test Limit Cursor 73 6 amp 5 5HHz 100 PRIHT Test Results Page 19 LANcat System 6 User Manual Certifying Category 5 Cabling Pair to Pair NEXT Method NEXT as defined in TIA TSB 67 is a measure of signal coupling from one pair to another
10. ndards e Delay Delay Skew e 250 MHz UTP 100 MHz standards only e Power Sum Link Performance e Power Sum NEXT e Power Sum ACR e Resistance e ACR e Return Loss e ELFEXT e Power Sum ELFEXT Page 8 Autotests Please note that impedance is not tested when using the C5e Performance Module The maximum cable length measured by the System 6 is 1100 feet NOTES ON 250 MHz TESTING e 250 MHz testing is available for all 100 MHz tests This option is available by entering the CHANGE CABLE STANDARD menu and editing the selected test standard Using this option the instrument will extend NEXT and ATTENUATION measurements out to 250 MHz e PASS or FAIL indications when running Autotest are based on existing 100 MHz test standards e 250 MHz tests can also be enabled by selecting 250 MHz UTP in the Cable Standard menu e Ifthe LANcat fails any test it will stop and display the failure You may continue testing by pressing the CONTINUE F4 softkey Page 9 LANcat System 6 User Manual Running Autotest BW N Connect each tester to the cable under test Set one tester dial to REMOTE Set the other tester dial to AUTOTEST Use the up down arrow keys to enter the CHANGE CABLE STANDARD menu Use the up down arrow keys to highlight the desired Cable Standard Press SELECT F4 to update both testers to the chosen standard The test will run automatically After completing an Aut
11. otest press START F1 to re start Autotest Press VIEW F3 to review the test results Press SAVE F4 or ENTER to save the test results AUTOTEST Headroom Crossovers z5banHz UTP ED START IEH SAIE Page 10 Autotests Viewing 250 MHz Autotest Results After performing an Autotest LANcat will display PASS FAIL or PASS FAIL LANcat also displays Headroom and Crossover Headroom expressed in Decibels or dB is based on the worst case measurement of Power Sum NEXT relative to the NEXT standard for the cable test chosen Crossover value in MHz is the frequency at which Power Sum ACR equals zero PSNEXT Attenuation PSACR Two new System 6 test summary screens are shown after an Autotest Link Performance and Power Sum ACR Viewing Test Results 1 After completing Autotest press VIEW F3 from the Autotest results screen 2 Press the arrow keys to view additional summary test result screens Link Performance and PSACR are shown after the NEXT results 3 Press SAVE F4 or ENTER at any time to save the Autotest results 4 Press GRAPH F2 to view a graphic display of the test results 5 Press SEND F1 to send the results to the Remote Unit 6 Press ESC to exit View Page 11 LANcat System 6 User Manual Link Performance Screen The Link Performance screen provides additional cable performance information This screen displays Headroom HR and the Power Sum Attenuation to Crosstalk Ra
12. s are available to assist users in the proper use and application of Datacom Textron instruments These include technical notes application notes quick reference guides and tutorial handbooks These materials may be ordered from the Datacom Textron Web site Product Updates Upgrades Product firmware upgrades are made available at no extra charge from the Datacom Textron Web site at www datacom textron com Page 31 LANcat System 6 User Manual Two Year Product Warranty The LANcat System 6 is warranted against defects in materials and workmanship within a period of two 2 years following the date of purchase of the tester Any instrument claimed to be defective during the warranty period should be returned to Datacom Textron s Factory Service Center Refer to the chapter on Technical Support and Service for further instructions ANY IMPLIED WARRANTIES ARISING OUT OF THE SALE OF A LANCAT SYSTEM 6 CABLE TESTER INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED IN DURATION TO THE ABOVE STATED TWO 2 YEAR PERIOD DATACOM TEXTRON SHALL NOT BE LIABLE FOR LOSS OF USE OF THE TESTER OR OTHER INCIDENTAL OR CONSEQUENTIAL DAMAGES EXPENSES OR ECONOMIC LOSS Some states and countries do not allow limitations on how long implied warranties last or the exclusions or limitation of incidental or consequential damages so the above limitations or exclusions may not apply to
13. sest to the TSB 67 NEXT limit pair to pair NEXT values for the same link As seen from this example the PS NEXT values are always worse than the greatest pair to pair NEXT values In fact PS NEXT for four pair cabling can be as much as 4 77 dB worse than the greatest pair to pair NEXT measurement A link that easily passes TSB 67 Category 5 pair to pair NEXT requirements might therefore fail if PS NEXT is used as the measure Page 21 LANcat System 6 User Manual TSB 67 NEXT Limit Line dB Power Sum NEXT Composite Greatest Pair to Pair NEXT 0 20 40 60 80 100 Frequency MHz Several manufacturers of enhanced performance CAT 5 cables and connectors specify PS NEXT as a measure of product performance Because PS NEXT is a more stringent NEXT characterization method components that are specified and tested to meet Power Sum are more likely to deliver optimum performance even beyond TIA 568A defined CAT 5 requirements Page 22 Link Performance Analysis Link Performance Analysis Beyond 100 MHz ACR and Headroom Power Sum ACR measurements beyond 100 MHz are valuable for determining adequate performance of enhanced Cat 5 cabling Current Cat 5 standards require a minimum of 10 dB ACR at 100 MHz Proposed Cat 6 standards recommend an ACR value of a minimum 10 dB ACR at 200 MHz System 6 provides this measure of cable performance up to 250 MHz The frequency at which the cable had a meas
14. ss 32 Page2 Introduction LANcat System 6 Introduction LANcat System 6 consists of a pair of LANcat testers equipped with 250 MHz CSe Performance Modules The C5e Performance Modules take Category 5 testing beyond current Category 5 standards of 100 MHz providing critical information for Enhanced Category 5 and Gigabit cabling System 6 offers an unequalled combination of power measurement precision ease of use and low ownership cost This unique modular design makes LANcat the most versatile tester on the market In addition to being fully compliant with TIA TSB 67 requirements for certifying CAT 5 Class D links the LANcat System 6 performs several important new measurements including Power Sum Near End Crosstalk PS NEXT and Power Sum Attenuation to Crosstalk Ratio PS ACR to 250 MHz Modules provide Equal Level Far End Crosstalk ELFEXT PS ELFEXT and Return Loss testing as required in the proposed Enhanced Category 5 standard to 100 MHz Padded protective overcases supplied with the system enclose both the tester and performance module providing protection from damage in the field while allowing full access to the display and all controls The LANcat System 6 with C5e Performance Modules fully complies with the proposed TIA Level IIe accuracy specifications Page 3 LANcat System 6 User Manual This manual only describes features and operation specific to LANcat Handsets equipped with C5e Performance Modules Pl
15. tio PS ACR for all four wire pairs Headroom Headroom HR is displayed in Decibels dB and indicates the measured difference between actual cable performance and current Category 5 standards A high dB value for Headroom indicates a level of performance greater than Cat 5 LIHK PERFORMANCE HE A CE i dE ACE 0dE 1 2 22 4dk b250 Hz gt 250HH2 3 6 15 606 151 8HHz 250HHz 4 5 16 508 155 2HHz 2250HHz Fat 2 6 250HHz 250HHz EP SEHD CD CE CHO CH Page 12 Autotests Power Sum ACR Power Sum Attenuation to Crosstalk Ratio PS ACR is displayed two ways The column ACR 10 dB indicates the frequency at which the pair tested had an ACR value of 10 dB This is generally accepted to be the useable bandwidth of the cable while still having enough signal strength to guarantee low data transmission error rates The column ACR 0 dB indicates the frequency at which ACR measured zero This zero point is considered the absolute maximum useable bandwidth of the cable LIHK PERFORMANCE HE A CE i dE BCE dE 1 2 2 ddBb 250HHz 250HHz X 6 15 606 151 8HHz 250HHz 4 5 16 508 i65 2HHz 25 0HHz Ed Fat Bibdb 250HHz 250HHz FP SEHD CD CE CHO CH Page 13 LANcat System 6 User Manual Return Loss Return Loss is a measure of the reflected energy caused by impedance mismatches in the cabling system Return Loss is expressed as the ratio in dB of the incident power and reflected power Since it is
16. ured 10 dB ACR value is clearly displayed in the LINK PERFORMANCE screen The following graph illustrates the ACR vs Frequency relationship Measured Cable Attenuation Attenuation Spec dB Next Spec let Pr ACR Crossover Measured Cable NEXT Point Cable Test Frequency MHz 499 250 Page 23 LANcat System 6 User Manual Test Reports Up to 400 test reports can be saved in each LANcat System 6 tester Reports can be uploaded to a PC and viewed or printed with the Report Manager software Please refer to Chapter 6 in the LANcat Series Cable Testers User Manual for more information on working with reports Page 24 Test Reports Sample 250 MHz UTP Autotest Report LANcat CABLE CERTIFICATION REPORT 1 Circuit ID Local Module Type C5e Modular Plug Cable Test Standard CATSEN Basic Link Remote Module Type C5e Modular Plug Location Serial Number 1111111 V9 99D4 Date Tested 11 04 1998 Cable NV 72 0 TEST SUMMARY PASS Wire Map PASS Near End Remote End PASS Limit 308ft Length Delay Skew Comments eft ins OPEN eft ons OPEN eft ons OPEN oft 2ns OPEN Attenuation Attenuation Limit Margin Frequency PSNEXT Power Sum Limit Margin Frequency Remote PSNEXT Power Sum Limit Margin Frequency Return Loss Return Loss dB Limit dB Margin dB Frequency MHz Rem Return Loss Return Loss dB Limit dB Margin
17. urer s recommend the use of their products for the complete end to end system Accordingly maximum test accuracy can only be achieved by using a System 6 patch cable that is of the same type as the cabling being tested Technical Support Datacom Textron offers unlimited free technical support for LANcat customers If you have questions or comments contact your sales representative or distributor or call Datacom Textron and ask for technical support Hours are Monday through Friday 8 AM to 5 00 PM Pacific Time US and Canada 800 468 5557 425 355 0590 International 425 355 0590 Fax 425 290 1600 Web Site www datacom textron com Page 30 Warranty Warranty User Guard Support Program Datacom Textron provides the following services and benefits to LANcat System 6 owners Calibration Services Annual re calibration services by a Datacom Textron certified service center for two years United States only Priority Cross Shipments If a Datacom Textron product ever requires factory service or repair Datacom Textron offers next day exchange or loan of a replacement unit United States only Technical Support Hotlines Unlimited access to Datacom Textron s staff of knowledgeable Application Engineers for questions on product usage and applications Contact may be made a toll free service line dedicated email support line or the Datacom Textron Web site Training A variety of self training instructional material
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