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DATACOM TEXTRON LANcat OneWay, User Manual

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Appendix E 

Glossary

Page E-11

R

Receiver - The portion of a station or node that receives the data

communication.

Repeater - A device that regenerates the data signal, used to extend

the network length.

Resistance - Electrical element that impedes the flow of current,

measured in Ohms.

Reversed Pair - Twisted pair wiring error in which the polarity of

one wire pair is reversed at one end of the link. Also called
tip/ring reversal.

Ring -  A LAN topology in which data is passed from station to

station via a loop. Also, the designation for one conductor of
a twisted-pair cable.

RJ-45 (Registered Jack) - An eight position telephone type

connector.

Router - Attachment device that interconnects two or more LAN

subnetowrks and relays packets based upon destination
network addresses.

Runt Packet - An Ethernet packet that is shorter than the minimum

(64 bytes) valid length.

S

Screened Twisted Pair (ScTP) - Cable constructed of four twisted

wire pairs surrounded by a metal foil shield and an outer
protective jacket. Also called Foil Twisted Pair (FTP).

Sheath - The outside covering of a cable(s).
Shield - A conductive material that is used to enclose a data cable to

decrease emissions and noise susceptibility.

Shielded Twisted Pair (STP) - Cable constructed of up to four

twisted wire pairs, each pair individually surrounded by a

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Summary of Contents for LANcat OneWay

Page 1: ...l service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE INSPECTION Remotely inspect equipment before purchasing with our interactive website at www instraview com LOOKING FOR MORE INFORMATION Visit us on the web at www artisantg com for more information on ...

Page 2: ...LANcat Series Cable Testers User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 3: ...technical or editorial errors or omissions contained herein LANcat is a trademark of Datacom Textron P N 13520 Rev F Copyright 1999 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 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 4: ...TED 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 appl...

Page 5: ...est Standard 2 9 System Integrity Pre Test 2 10 3 AUTOTEST Running Autotest 3 2 Viewing Autotest Results 3 4 Saving Autotest Results 3 8 LinkTalk LANcat TwoWay 3 11 4 QUICK CHECK Running Quick Check 4 2 Viewing Quick Check Results 4 4 5 CABLE TEST DESCRIPTIONS Wire Map 5 2 NEXT 5 4 Power Sum NEXT 5 9 Cable Grading 5 13 Length 5 16 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 ...

Page 6: ...ults 6 3 Deleting Test Reports 6 8 Viewing Saved Test Reports 6 9 7 TESTING TWISTED PAIR CABLE Types of Twisted Pair Cable 7 1 Twisted Pair Test Descriptions 7 2 Testing Tips 7 33 8 SETUP Changing SetUp Parameters 8 3 9 CALIBRATION AND UPGRADING NVP Calibration 9 1 Remote Unit Calibration 9 5 Performance Module Calibration 9 7 Impedance Calibration 9 9 Resistance Calibration 9 10 Main Unit Calibra...

Page 7: ...t Configuration A 1 Channel Testing A 2 Basic Link Testing A 4 EIA TIA TSB 67 Test Limits A 6 ISO IEC Test Limits A 8 Enhanced Cable Standards Test Limits A 10 IEEE Twisted Pair Test Limits A 10 Defining Custom Standards A 16 APPENDIX B COMMON CABLE NVP VALUES APPENDIX C SPECIFICATIONS APPENDIX D CABLE REPLACEMENT PROCEDURE APPENDIX E GLOSSARY Artisan Technology Group Quality Instrumentation Guara...

Page 8: ...LANcat User Manual Page iv Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 9: ...sic Links LANcat OneWay The OneWay System performs one way near end crosstalk NEXT measurements up to 100 MHz Testing of NEXT from both ends of the link as now required by TIA TSB 67 for compliant Category 5 installations is accomplished by completing separate tests from each end The test system includes a main handheld unit and an Active Remote also called OneWay Remote LANcat TwoWay The TwoWay S...

Page 10: ...EC 11801 Class D 100 MHz Performs NEXT Length Wire Map Attenuation Noise Traffic Impedance and Resistance tests Performs a preprogrammed suite of certification tests when set to Autotest Performs enhanced cable tests including Power Sum NEXT Delay Delay Skew and Cable Grading to test emerging new enhanced data cables Cable Toner enables identification of cable at far end Artisan Technology Group Q...

Page 11: ...lay Easy field updates of hardware and software using plug in Performance Modules and flash memory Operates using either replaceable AA batteries AC Mains power or a rechargeable NiMH battery pack optional Voice communication between main unit and the remote LANcat TwoWay The features of the LANcat and how they are used are briefly described in Figure 1 1 Artisan Technology Group Quality Instrumen...

Page 12: ...LANcat User Manual Page 1 4 Figure 1 1 LANcat Overview of Features Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 13: ...ENDED FUNCTIONS Individual cable tests unit selftest pair reversal test repeatability test and flash memory download REMOTE Puts LANcat into remote mode for use in TwoWay testing TRAFFIC Monitors traffic activity on an Ethernet network LENGTH Determines the cable length and up to two intermediate anomalies WIRE MAP Determines pin to pin continuity shield continuity and split pairs QUICK Performs a...

Page 14: ...nction key For example in the figure below you would press F1 to send the results F1 F2 F3 F4 LINKTALK TM FUNCTION TWO WAY SYSTEM The LinkTalk TM function is available with the LANcat TwoWay System This function allows two way voice communication between the main unit and the remote LinkTalk TM uses a microphone embedded in the front of each unit and an earphone connected to the jack located on ea...

Page 15: ...side and slide it out of the opening refer to Figure 1 3 To install a module slide it into the opening until the screws rest against the retainers then hand tighten the screws until the module is properly seated CAUTION Avoid damaging the case of the LANcat Tighten the screws evenly using finger pressure only Make sure to either turn both screws simultaneously or alternately in small increments Th...

Page 16: ...oving and installing performance modules REMOTE UNIT ONE WAY SYSTEM The Remote Unit is connected at the far end of the cable when testing twisted pair cable The Remote Unit see Figure 1 4 is used during NEXT Attenuation and Wire Map tests Figure 1 4 Remote Unit Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 17: ...down occurs MEMORY STORAGE The LANcat memory is powered from an internal long life lithium cell Stored test results and set up conditions will therefore be saved when you replace the AA alkaline batteries or rechargeable battery pack CHARGING MODE When the AC mains adapter is used and the LANcat is powered off the unit goes into a sleep mode With the optional NiMH rechargeable battery pack install...

Page 18: ...nstrument refer to Figure1 5 2 Remove the batteries 3 Install new batteries paying attention to the polarity markings on the inside of the battery well NOTE The FAIL LED on the Remote Unit blinks continuously when the battery is low Figure 1 5 Battery Replacement 2 1 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 19: ...ys to make a different selection For example in the figure below the arrows appear next to the word Link on the screen Figure 1 6 Arrows Symbol To change a selection 1 Press the up or down arrow keys to scroll through the available selections 2 When the choice you want is highlighted press SAVE F4 or ENTER Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 20: ...ve To use the scroll bar use the arrow keys to move the scroll bar indicator as well as to highlight a new selection Figure 1 7 Sample of Scroll Bar DISPLAY CONTRAST ADJUSTMENT To adjust the screen contrast hold down the Backlight button and press the arrow keys to set the screen contrast for comfortable viewing Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisant...

Page 21: ...no prior cable testing experience are advised to also review Chapter 7 Testing Twisted Pair Cabling before using this instrument Initial Instrument Set Up Before you first use the LANcat you should check SETUP which controls many basic instrument operations such as power down time backlight on time feet meters date time and serial output format Each of these settings however has a default value es...

Page 22: ...et the main unit s dial to the test or function you want to perform 4 Connect the cable 5 Press the main unit s power button on SETTING UP THE ONE WAY SYSTEM To set up the LANcat OneWay System 1 Set the LANcat s dial to the test or function you want to perform 2 Connect the cable 3 Press the LANcat s power button Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisan...

Page 23: ...lue must be set in the LANcat A typical NVP value will be automatically selected by the LANcat depending on the test standard that you choose For greater measurement accuracy follow the NVP calibration procedure in Chapter 9 Calibration Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 24: ...fault value however may result in cable length measurement errors of up to 7 due to the variation in the signal propagation rate from cable to cable This potential length error usually will not impair troubleshooting of a prior working cable segment unless the length measurement of a cable is close to the test limit for example 100 meters on a 10BASE T segment When using the LANcat for cable certi...

Page 25: ...G Figure 2 1 illustrates a typical test set up using a TwoWay System to test a Basic Link as defined by TIA EIA TSB 67 Figure 2 1 Typical TwoWay Test Set Up For Testing a Basic Link Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 26: ...est Set Up For Testing a Basic Link NOTE To certify a cable link with Level II accuracy you must test the Basic Link using the LANcat Modular Plug Performance Module You must also test the link from both ends LANcat OneWay only See Appendix A Test Standards for further information Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 27: ... 2 3 illustrates a typical test set up using a TwoWay System to test a Channel as defined by TIA EIA TSB 67 Figure 2 3 Typical TwoWay Test Set Up For Testing a Channel Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 28: ...2 4 Typical OneWay Test Set Up For Testing a Channel NOTE A channel can be certified for conformance to the TIA EIA TSB 67 Link Performance Standard however accuracy will be less than Level II requirements See Appendix A Test Standards for further information Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 29: ...ct a different cable test standard 3 When the desired cable test standard is highlighted press SELECT F4 or ENTER The LANcat immediately begins testing using the new cable test standard NOTE Refer to Appendix A Test Standards for assistance in choosing an appropriate cable test standard When using a TwoWay System cable standards are compared at both ends If they differ the standard on the Remote e...

Page 30: ...ing a CAT3 coupler or a patch cable 2 Run Self Test Extended Functions see Chapter 11 3 Run Pair Reversal Extended Functions see Chapter 5 4 Run Repeatability Extended Functions see Chapter 5 5 Run Autotest CAT3 Basic Link see Chapter 3 6 If FAIL occurs on any test results contact Datacom Textron Technical Support for assistance see Chapter 11 Artisan Technology Group Quality Instrumentation Guara...

Page 31: ...ning a Custom Cable standard see Appendix A Defining Custom Standards Impedance Delay Delay Skew Power Sum NEXT Cable Grading Resistance Refer to Chapter 5 Cable Test Descriptions for a complete description of these and other tests performed by the LANcat Refer to Chapter 6 Printing Uploading and Viewing Test Results for more information about printing test results and uploading test results to a ...

Page 32: ...otest test results 5 Press SAVE F4 or ENTER to save the Autotest test results 6 Press TALK F2 to ring the Remote Unit at the other end ONE WAY SYSTEM 1 Connect one end of cable to the LANcat and the other end to the Remote Unit 2 Set dial to AUTOTEST The test runs automatically then displays the results Press the arrow keys to change the cable test standard 3 Press START F1 to re start Autotest Pr...

Page 33: ...ny test it will stop and display the failure You may continue testing by pressing the CONTINUE F4 softkey Running Autotest F1 F2 F3 F4 F1 F2 F3 F4 Autotest Results Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 34: ...reviewing Autotest results including summary screens for Wire Map NEXT Attenuation ACR Length and Propagation Delay tests and detailed test results for NEXT and Attenuation Refer to Chapter 5 Cable Test Descriptions for further information on interpreting test result screens Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 35: ...to save the Autotest results 4 On a TwoWay System press SEND F1 to send the results to the Remote Unit 5 Press ESC to exit View NOTE If you are using a TwoWay System the Send function appears above the F1 key Press F1 to send the information to the remote end F1 F2 F3 F4 NEXT SUMMARY Screen Pair combinations Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg co...

Page 36: ...der to resolve link tests with marginal measured results 1 Reduce the measurement uncertainty If you are currently using a Level I rated Performance Module PM replace it with a Level II rated PM and retest If the test result is still marginal or if you are already using a Level II rated PM proceed to the next step 2 Recheck the link installation focusing on connection points Refer to Chapter 7 Tes...

Page 37: ...screen 2 Press SUMMARY F3 to return to the test result SUMMARY screen 3 Press SAVE F4 or ENTER at any time to save the Autotest results 4 For a discussion of GRAPH F2 refer to Chapter 5 Cable Test Descriptions Viewing NEXT Graph Results 5 On a TwoWay System press SEND F1 to send results to the Remote Unit F1 F2 F3 F4 NEXT DETAIL Screen Artisan Technology Group Quality Instrumentation Guaranteed 88...

Page 38: ...EW screen The LANcat automatically selects the next report number You can change the number by pressing the arrow keys 2 If desired enter a circuit identification number refer to the detailed instructions that follow 3 Press ENTER NOTE On a TwoWay System either unit may save up to 500 Autotests giving the TwoWay System the capability of saving 1000 Autotests This is accomplished by reversing the r...

Page 39: ...isplays the message In Use beneath the report number The LANcat has no overwrite protection Nothing prevents you from saving a report to the same number as a previous report number and erasing the earlier one Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 40: ...HT F4 to move the cursor left or right along the ID line 3 Press PREV F2 or NEXT F3 to enter numeric or alpha characters 4 Press ENTER to save or press ESC to quit without saving F1 F2 F3 F4 After saving a message in the upper right corner of the screen displays the saved report number e g Saved 001 Autotest report details remain available for viewing until the next test is started NOTE Autotest r...

Page 41: ...nits 2 LinkTalkTM can be activated following Autotest Quick Check or from the Extended Functions menu Press TALK F2 from the Autotest or Quick Check summary screen or select TALK from the Extended Functions menu This will cause the remote to enter the TALK mode 3 When the remote unit enters TALK mode an alert bell will ring Press STOP RING F3 or any other defined function button on the remote unit...

Page 42: ...t easy for the operators to discuss the result 1 From an Autotest Summary Screen send the test result screen to the Remote using the SEND button 2 On the Main unit press the ESC key to return to the overall Autotest summary screen 3 Enter the TALK mode by pressing the TALK button F4 4 On both units a REVIEW F1 softkey is displayed Press REVIEW F1 to view the test result screen 5 Press PUSH TO TALK...

Page 43: ... be added to the Quick Check suite of tests by defining a Custom Cable standard see Chapter 2 Defining Custom Standards Impedance Propagation Delay Delay Skew Power Sum NEXT Cable Grading Resistance NEXT and Attenuation tests take measurements at a reduced number of test points covering the entire frequency range For this reason Quick Check is not a cable certification test the results cannot be s...

Page 44: ...nit s dial to QUICK The test begins automatically Press the arrow keys to change the cable test standard 4 Press START F1 to re start Quick Check Press VIEW F3 to review Quick Check test results The results of Quick Check are displayed on the screen F1 F2 F3 F4 F1 F2 F3 F4 Running Quick Check Quick Check Results Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisant...

Page 45: ...ns automatically Press the arrow keys to change the cable test standard 3 Press START F1 to re start Quick Check 4 Press TALK F2 to talk to remote unit operator Refer to Chapter 3 for instructions in using LinkTalkTM 5 Press VIEW F3 to review Quick Check test results Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 46: ...fidence that the link conforms to the Test Standard The following steps may be taken in order to resolve link tests with marginal measured results 1 Reduce the measurement uncertainty If you are currently using a Level I rated Performance Module PM replace it with a Level II rated PM and retest If the test result is still marginal or if you are already using a Level II rated PM proceed to the next...

Page 47: ... is usually recommended to use Autotest for most cable testing individual cable tests may be useful in troubleshooting specific cable problems For example Autotest may reveal a wire map problem requiring remounting of connectors It may be faster to use the individual Wire Map test to verify the correction and then to perform another Autotest sequence for a certification record Artisan Technology G...

Page 48: ...er end to the remote unit If you are using a TwoWay System set the remote unit s dial to Remote 2 Set dial to WIRE MAP The test begins scanning immediately Press the arrow keys to select another cable test standard NOTE Wire Map runs continuously to enable you to find intermittent wiring problems All four pairs will be tested and the results displayed even if the selected test standard does not re...

Page 49: ...ts of the Wire Map test are displayed on the LANcat screen The following illustrations show possible wiring faults Crossed Pair Split Pair Crossed Pair Split Pair Short Reversed Pair Open Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 50: ...5 UTP cabling It can also be run individually as an Extended Functions test NEXT tests for Excessive crosstalk between pairs Proper pair connections RUNNING NEXT INDIVIDUALLY 1 Connect one end of the cable under test to the LANcat and the other end to the remote unit If you are using a TwoWay System set the remote unit s dial to Remote 2 Set dial to EXTENDED FUNCTIONS 3 Press ENTER NEXT is the fir...

Page 51: ...st Descriptions Page 5 5 NOTE When the NEXT test is performed on a TwoWay System both ends are tested F1 F2 F3 F4 Selecting NEXT Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 52: ...uency of this measurement the measured value in decibels dB and the test limit To View the details of the NEXT test 1 From the NEXT summary result screen press DETAIL F3 2 On a TwoWay System press SEND F1 to send the results to the Remote Unit 3 Press SUMMARY F3 or ESC to return to the summary screen F1 F2 F3 F4 F1 F2 F3 F4 NEXT Summary Results Detailed NEXT Results Artisan Technology Group Qualit...

Page 53: ...resolve link tests with marginal measured results 1 Reduce the measurement uncertainty If you are currently using a Level I rated Performance Module replace it with a Level II rated Performance Module and retest If the test result is still marginal or if you are already using a Level II rated Performance Module proceed to the next step 2 Recheck the link installation focusing on connection points ...

Page 54: ...ayed below the graph 4 Press PRINT F4 to send a comma separated variable CSV listing of the results to the serial port This outputs a complete listing of all NEXT measurements for all pair combinations 5 Press SUMMARY F3 or ESC to return to the Summary screen NOTE The test result displayed on the graph is the worst value found within 1 MHz frequency increments for Category 5 and ISO Class D testin...

Page 55: ...asurement 1 2 3 6 4 5 M 7 8 Crosstalk Figure 5 1 Power Sum NEXT Measurement As shown above Power Sum NEXT is a sum of the pair to pair NEXT and is always greater than any pair to pair NEXT The Power Sum NEXT test uses the same test limit as pair to pair NEXT Since Power Sum NEXT is always greater than pair to pair NEXT the Power Sum NEXT test holds the cable up to a higher standard Artisan Technol...

Page 56: ... ISO Plus Class D VIEWING POWER SUM NEXT RESULTS At the conclusion of Autotest press VIEW F3 to view the test results and press the arrow keys to display the Power Sum NEXT results The Power Sum NEXT of each pair combination is compared to the selected cable test standard and pass or fail is indicated The worst measured crosstalk is shown in the detailed test display The display indicates the freq...

Page 57: ...m NEXT summary result screen press DETAIL F3 2 On a TwoWay System press SEND F1 to send the results to the Remote Unit 3 Press SUMMARY F3 or ESC to return to the summary screen F1 F2 F3 F4 Detailed Power Sum NEXT Results Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 58: ...splayed below the graph 4 Press PRINT F4 to send a comma separated variable CSV listing of the results to the serial port This outputs a complete listing of all Power Sum NEXT measurements for all pairs 5 Press SUMMARY F3 or ESC to return to the Summary screen NOTE The test result displayed on the graph is the worst value found within 1 MHz frequency increments for Category 5 and ISO Class D testi...

Page 59: ...des as shown in Figure 5 2 The LANcat reports the worst grade for each pair Frequency MHz NEXT dB Figure 5 2 Cable Grading Each cable grade is 3dB wide at 100 MHz Higher grade cables exceed the applicable test standard Cat 5 or Class D by a larger margin Cables tested with the Cat 5 or Class D Cable Test Standards are graded based on pair to pair NEXT performance Cables tested with the enhanced Ca...

Page 60: ...ard see Appendix A If you want to grade cable based on pair to pair NEXT performance select either a Cat 5 or Class D Cable Test Standard to create the custom Cable Test Standard If you want to grade cable based on Power Sum NEXT performance select either a Cat 5 Plus or Class D Plus Cable Test Standard to create the custom Cable Test Standard Artisan Technology Group Quality Instrumentation Guara...

Page 61: ...Press VIEW F4 2 Press arrow key until the NEXT results appear The cable grades for individual wire pairs are displayed If Autotest was run using the enhanced Category 5 Plus or Class D Plus Cable Test Standards cables are graded based on Power Sum NEXT To view the cable grades for individual wire pairs press key until the Power Sum NEXT test results appear at the conclusion of Autotest F1 F2 F3 F4...

Page 62: ...odular plug connectors or wall plates Length is one of the tests run during Autotest and Quick Check This test can also be run individually Length performs the following tests Measures length of each pair Locates up to two intermediate impedance anomalies Measures propagation delay of each pair NOTE The accuracy of a Length measurement is very dependent on the proper cable NVP setting Refer to Cha...

Page 63: ...Unit when performing a Length measurement test except during Autotest or Quick Check VIEWING LENGTH RESULTS At the completion of the Length test the screen displays the summary results 1 Press START F1 to restart the Length test 2 Press DETAIL F3 to view more information about the Length test results 3 Press PDELAY F2 to view the Propagation Delay for each pair F1 F2 F3 F4 Length Summary Results P...

Page 64: ...d cables the cable length will probably be greater than the specification test limit This will cause a FAIL Length test result In this case you may ignore the fail message 4 A cable found to have a short will cause length test to FAIL regardless of measured length 5 OPEN or SHORT usually indicates that a pair ends in an open or a short However if the Remote Unit is used an OPEN result should be di...

Page 65: ...hreshold are displayed as anomalies Anom1 and Anom2 Fault Threshold is factory pre set but can be modified in the SETUP menu See Chapter 8 Set Up for Fault Threshold changes When the cable length is less than 20 feet anomalies may not be detected F1 F2 F3 F4 Detailed Length Test Results Pair Propagation Delay Delay to Anomaly 1 No 2nd Anomaly Detected Artisan Technology Group Quality Instrumentati...

Page 66: ...rom each wire pair to the shortest wire pair Both Delay and Delay skew are becoming important parameters for emerging high speed LAN standards such as 100BaseT4 622 Mbps ATM and Gigabit Ethernet Figure 5 2 Delay Delay Skew Delay and Delay Skew are tested only during an Autotest or Quick Check They are included in Autotest for the enhanced cable standards e g Cat5 Plus BasicLnk These tests can be a...

Page 67: ...mary screen is displayed Press to view Delay Skew test summary This screen shows the additional delay time for each pair compared to the shortest pair F1 F2 F3 F4 F1 F2 F3 F4 Delay Test Summary Shortest Pair Delay Skew Test Summary Difference in Propagation Delay between Pair 1 2 and Pair 7 8 494 486 8 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 68: ...the tests run during Autotest and Quick Check It can also be run individually Attenuation detects One way attenuation of each cable pair Poor connections terminations Substandard wire Faulty connectors RUNNING ATTENUATION 1 Set the LANcat dial to EXTENDED FUNCTIONS 2 Press the arrow key to select Attenuation 3 Press ENTER The test begins immediately Press the arrow keys to select another cable tes...

Page 69: ... specification values 1 Press SPEC F3 2 Press START F1 to re start the Attenuation test F1 F2 F3 F4 F1 F2 F3 F4 Attenuation Test Summary Attenuation Test Summary Test Specification Shown Test Specifications Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 70: ...aph 4 On a TwoWay System press SEND F2 to send the results to the Remote Unit 5 Press PRINT F4 to send a comma separated variable CSV listing of the results to the serial port This provides a complete listing of all Attenuation measurements for all pairs 6 Press SUMMARY F3 or ESC to return to the summary screen F1 F2 F3 F4 Graph of Attenuation Results Results shown for pair 7 8 Cursor Test Limit T...

Page 71: ...en in order to resolve link tests with marginal measured results 1 Reduce the measurement uncertainty If you are currently using a Level I rated Performance Module PM replace it with a Level II rated PM and retest If the test result is still marginal or if you are already using a Level II rated PM proceed to the next step 2 Recheck the link installation focusing on connection points Refer to Chapt...

Page 72: ...ent wire pairs ACR is therefore an indication of the expected reliability of data transmissions ACR is automatically computed during Autotest and Quick Check when testing twisted pair cable It can also be run individually as an Extended Function test RUNNING ACR INDIVIDUALLY 1 Set dial to EXTENDED FUNCTIONS 2 Press the arrow keys to highlight ACR 3 Press ENTER The test begins scanning immediately ...

Page 73: ...ess START F1 to restart the test NOTE Minimum ACR is not presently specified in most link test standards such as TIA TSB 67 or network standards such as IEEE 802 3 ISO 11801 requires at least 4 dB of ACR at 100 MHz Hub manufacturers recommend a minimum of 5 dB for reliable data transmission F1 F2 F3 F4 ACR Detail Screen Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www ...

Page 74: ...air cable segment and provides a report of the results Noise results for all selected cable types are compared to the IEEE 802 3 10BASE T impulse noise specification The default noise threshold setting is 260 mV Refer to Chapter 8 Set Up for information on how to change this value Noise reports Time duration of the test Average number of impulses in the last second Peak number of impulses in any o...

Page 75: ...al to REMOTE 2 Set the main unit s dial to EXTENDED FUNCTIONS Scroll through the list of functions until NOISE is highlighted Press ENTER to select the test The test begins immediately Press the arrow keys to change the cable test standard NOTE The cable should not be connected to an active network during the Noise test because the test will record network traffic as noise impulses F1 F2 F3 F4 Sel...

Page 76: ...ustrated by the following figure NOTE When testing a 10BASE T cable per the IEEE 802 3 specification the maximum allowable impulse noise rate is 0 2 impulses per second with a 260 mV noise threshold F1 F2 F3 F4 Noise Results Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 77: ...erformed again with the transmit and receive pairs reversed The results should agree within the magnitude of the LANcat NEXT measurement accuracy specification The test is performed automatically on all pair combinations RUNNING PAIR REVERSAL 1 Connect one end of the cable under test to the LANcat and the other end to the remote unit If you are using a TwoWay System set the remote unit s dial to R...

Page 78: ...compared Differences should be less than the magnitude of the LANcat NEXT measurement accuracy specification RUNNING REPEATABILITY 1 Connect one end of the cable under test to the LANcat and the other end to the remote unit If you are using a TwoWay System set the remote unit s dial to Remote 2 Set dial to EXTENDED FUNCTIONS 3 Press the arrow keys to highlight REPEATABILITY 4 Press ENTER Press ESC...

Page 79: ...cable is of the required type RUNNING IMPEDANCE 1 Connect the LANcat to one end of the cable under test 2 Set the LANcat s dial to EXTENDED FUNCTIONS Scroll through the list of functions until IMPEDANCE is highlighted 3 Press ENTER to select the test The test begins immediately Press ESC to abort the test Press the arrow keys to change the cable test standard NOTE The cable should not be connected...

Page 80: ...suite of tests by defining a Custom Cable standard see Appendix A Resistance can also be run individually via EXTENDED FUNCTIONS RUNNING RESISTANCE 1 Connect the LANcat to one end of the cable under test 2 Connect the other end of the cable to the Remote Unit 3 Set the LANcat s dial to EXTENDED FUNCTIONS Scroll through the list of functions until RESISTANCE is highlighted 4 Press ENTER to select t...

Page 81: ...C F3 to view the test standard specification value 2 Press SHIELD F2 to view the resistance of the cable shield 3 Press START F1 to re start the resistance test F1 F2 F3 F4 Resistance Results Resistance of wire between main and remote units pins 1 2 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 82: ... test to the LANcat 2 Set dial to EXTENDED FUNCTIONS 3 Press the arrow keys to highlight CABLE TONER Selecting Cable Toner 4 Press ENTER Press ESC to abort the test NOTE When the AUTO TONER is ON see Chapter 8 Setup the toner function is activated whenever a remote is not attached and the main unit is set to Quick Check or Autotest When a remote is attached the toner is turned OFF automatically an...

Page 83: ...rts Print the last Traffic Report Delete saved reports View saved reports Connecting To a PC or Printer OVERVIEW Connect the single 9 pin connector end of the PC Interface Cable to the SERIAL PORT on the LANcat Connect the other end dual connector use either 9 or 25 pin connector to a printer or PC NOTE Make sure you do not leave the unit connected to the PC while making measurements Doing so may ...

Page 84: ... to all serial printers Use only straight through adapters to connect the PC Interface Cable to a printer Connectors with different pin assignments than those mentioned above may affect output operation see Appendix C Specifications for the Serial Port pin assignments Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 85: ...INT to display the Print menu 2 Press the arrow keys to highlight the test report you wish to print or upload 3 Press PRINT F4 or ENTER 4 Follow the procedure in Changing Serial Port Settings in this chapter F1 F2 F3 F4 Print Menu Test 002 Selected Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 86: ...ext to the report number 4 Repeat steps 2 and 3 above to select all reports to be printed uploaded 5 Press PRINT F4 or ENTER 6 Follow the procedure in Changing Serial Port Settings in this chapter NOTE Reports can also be de selected by highlighting a selected report and pressing DESELECT F1 F1 F2 F3 F4 Print Menu Tests ABC A97 selected Artisan Technology Group Quality Instrumentation Guaranteed 8...

Page 87: ...ELECT F1 or ENTER 3 Press PRINT F4 or ENTER 3 Follow the procedure in Changing Serial Port Settings in this chapter NOTE Any selected test reports can be deselected by highlighting report number and pressing DESELECT F1 prior to PRINT F1 F2 F3 F4 Print Menu All Tests Selected Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 88: ...mplete the Autotest individual NEXT or individual Attenuation test 2 Select GRAPH F2 screen from the summary screen 3 Press PRINT F4 NOTE Detailed NEXT and Attenuation test results can only be uploaded to a PC in Comma Separated Variable CSV format Serial Port settings baud rate and flow control are determined by SETUP parameters See Chapter 8 Set Up Artisan Technology Group Quality Instrumentatio...

Page 89: ...ARE CTS DTR c NONE for no flow control 3 Press FORMAT F3 to select the output format and choose from the following a TEXT F3 for a pre formatted report ready for printing b COMMA F3 for comma separated variables CSV suitable for uploading to a computer and importing to a database or spreadsheet 4 Press PRINT F4 to begin print upload 5 To abort a report print out press ESC NOTE Serial port setting ...

Page 90: ... for deletion press SELECT F1 when ALL REPORTS is highlighted This selects all of the report numbers 4 Press DELETE F2 A screen displays the selected report numbers and asks you to confirm that you wish to delete the tests If no reports were selected the highlighted report is selected for deletion 5 Press OK F4 or ENTER to delete the report After the report is deleted the unit returns to the Print...

Page 91: ...light the number of the test report you wish to view 3 Press VIEW F3 to view the report 4 Press the arrow keys to view different test results 5 Press ESC to return to the Print menu screen NOTE Refer to Chapter 5 Cable Test Descriptions for further information on interpreting test result screens Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 92: ...SS Attenuation dB 1 9 1 8 2 0 2 3 Limit dB 19 8 20 0 21 6 20 1 Margin dB 17 9 18 2 19 6 17 8 Frequency MHz 86 4 87 3 100 8 88 2 _______________________________________________________________________________ Local NEXT PASS 12 36 12 45 12 78 36 45 36 78 45 78 PASS PASS PASS PASS PASS PASS NEXT dB 43 7 44 5 76 5 36 4 45 5 43 2 Limit dB 31 0 29 3 60 0 29 4 32 2 29 3 Margin dB 12 7 15 2 16 5 7 0 13 3...

Page 93: ...0 00 13 NO LINK 0 00 00 14 NO LINK 0 00 00 15 NO LINK 0 00 00 16 NO LINK 0 00 00 17 NO LINK 0 00 00 18 NO LINK 0 00 00 19 NO LINK 66 00 00 20 260 00 00 21 225 00 00 22 321 00 00 23 299 00 00 24 270 00 00 25 325 00 00 26 272 00 00 27 285 00 00 28 299 00 00 29 310 00 00 30 297 00 00 31 273 00 00 32 341 00 00 33 400 00 00 34 C 372 00 00 35 472 00 00 36 1070 00 00 37 C 1192 00 00 38 1027 00 00 39 924 ...

Page 94: ...LANcat User Manual Page 6 12 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 95: ...d pair cable is so called because of the physical make up of the cable Two wires are physically twisted together along the length of the cable to form a pair There are three basic kinds of twisted pair cable Unshielded Twisted Pair UTP Shielded Twisted Pair STP and Screened Twisted Pair ScTP Figure 7 1 illustrates the differences in the construction of twisted pair cables Unshielded Twisted Pair U...

Page 96: ...hooting a specific cable problem See Appendix A Cable Test Standards for an explanation of various test standards The TSB 67 UTP Link Performance specification is becoming the benchmark for installed UTP links and is the specification that the LANcat design is primarily based on Twisted Pair Test Descriptions The following test descriptions apply to testing four pair Unshielded Twisted Pair UTP Ho...

Page 97: ... on the other end pin 2 is connected to pin 2 3 to 3 and so on Figure 7 2 illustrates correct connectivity and pairing per the TIA 568 specification 1 2 3 6 4 5 7 8 1 2 3 6 4 5 7 8 Figure 7 2 TIA 568 Connectivity Requirements Wire Map checks for shorts opens crossed pairs reversed pairs and other wiring errors Wire Map also checks the continuity of a shield if one exists When installing a new link...

Page 98: ...6 Figure 7 3 Continuity Wiring Errors In addition to continuity the TIA 568 also specifies which pins are associated with specific wire pairs in the cable When pin to pin continuity is maintained but the proper pairs are not the wiring error is called a Split Pair A Split Pair causes severe Near End Crosstalk NEXT Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisa...

Page 99: ...are split with 3 and 6 Refer to the following section for an explanation of NEXT 1 2 3 6 4 5 7 8 1 2 3 6 4 5 7 8 1 2 splits 3 6 Figure 7 4 Split Pair NOTE A split pair cannot be detected with a simple DC continuity check Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 100: ...ry If problem continues follow the possible solutions for OPEN on one or more of the pairs below OPEN on one or more of the pairs Perform a length test to locate fault Go to the fault and correct wiring error If you cannot locate the fault by the length test check all terminations at punch down blocks patch panels and wall plates If no miswires are found back up to the next closest telecommunicati...

Page 101: ...ouble check the specification you are testing to and re terminate the segment if necessary to correct the problem If problem continues follow the procedure for OPEN on one or more of the pairs to locate fault Split pair Make note of which pairs are split Double check the requirements which conductors should be paired for the segment under test The LANcat is designed to test for EIA TIA 568 pairing...

Page 102: ...satin untwisted cable will also result in split pairs Check the coloring of the wiring at all termination points for proper pairing Correct the wiring as necessary 4 pair cable with USOC pairing Other common pairing 1 8 2 7 3 6 4 5 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 6 4 5 7 8 1 2 3 6 4 5 7 8 EIA TIA 568 1 8 2 7 3 6 4 5 Figure 7 5 Common Wiring Configurations Artisan Technology Group Quality Ins...

Page 103: ...rs in a telephone when you hear another conversation on your line If crosstalk is severe enough the transmitted signal can interfere with the received signal on another wire pair see Figure 7 6 X T X R X R X T crosstalk Figure 7 6 Crosstalk Between Stations Because crosstalk is measured at the same end of the cable as the signal source the term Near End Crosstalk NEXT is used to describe this meas...

Page 104: ...A TIA 568 A specification states the twists must be maintained to within 0 5 inch 13 mm of the termination for Category 5 and within 1 0 inch 25 mm for Category 4 If the twists are not maintained NEXT will increase NEXT also varies with the frequency of the signal but the relationship is not linear Therefore because the NEXT of a cable is within a certain specification at lower frequencies does no...

Page 105: ...Chapter 7 Testing Twisted Pairs Page 7 11 Figure 7 8 Typical Relationship of NEXT and Frequency Freq NEXT dB Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 106: ...ir solutions Common Causes of Excessive NEXT Solution Bad or low grade patch cables Patch cables may not be twisted pair A common mistake is to use silver satin untwisted cable for data applications Patch cable could be wired incorrectly Check twisted pairs per the EIA TIA 568 pairing Check patch cable and rewire or replace as necessary Terminating points The most common point for NEXT problems ar...

Page 107: ...bleshooting follow procedure for Split Pair in Wire Map section Use of substandard components termination components cable etc It is common to make the mistake of using couplers or lower grade hardware and or cable than the minimum expected The highest category your installation will comply to is that of the lowest category component you have in your segment Artisan Technology Group Quality Instru...

Page 108: ... or 5 components If testing to Category 5 you can only use Category 5 components Check that termination points meet installation standards Reference the specification you are using Re terminate all connections as necessary Run Wire Map to check for split pairs Follow procedure for Split Pair in Wire Map section NEXT test fails in one direction but not in the other Check the terminations closest to...

Page 109: ...ub to work area wall plate but the workstation has problems when connected with its patch cord Patch cable may not be a twisted pair cable A common mistake is to use untwisted telephone wire for data applications Patch cable could be wired incorrectly Check twisted pairs per the EIA TIA pairing Check patch cable and rewire or replace as necessary Two pairs of the cable may be in use for data and t...

Page 110: ...networks transmit over multiple pairs at once to achieve their high data rates Because they transmit over several pairs simultaneously the normal pair to pair NEXT is not indicative of the coupled noise signal into the receive pair Rather the coupled signal is larger due to the multiple transmitters Crosstalk from multiple pairs is illustrated below in Figure 7 9 Signal generators Signal measureme...

Page 111: ...ower Sum NEXT Pair to Pair NEXT Figure 7 10 Power Sum NEXT Measurement The characteristics of Power Sum NEXT are very similar to those of NEXT They both vary with frequency are measured in decibels a larger value is better and are highly dependent on maintaining the wire twist up to the connector when terminating the cable To minimize Power Sum NEXT you must minimize the NEXT of all pairs Refer to...

Page 112: ...f a twisted pair cable The amount of this loss is expressed in decibels dB refer to Figure 7 11 Sending unit Receiving unit Figure 7 11 Attenuation Attenuation varies with frequency and length Typically attenuation increases with higher frequencies and longer cables Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 113: ...tch cable is data grade Excessive Length If specification is based on a maximum length check length and correct if necessary Poor termination Check all terminations for proper connections Follow troubleshooting tips mentioned in Common Problems for Attenuation Impedance Anomalies A splice in the segment or damage to a segment can cause excess attenuation Perform a length test to check for anomalie...

Page 114: ...nuation test fails for one or more pairs Compare actual to expected values to confirm misconformance Check that the length is within specification in applications where attenuation is a maximum limit only If cable is too long correct as necessary Follow procedure for NEXT test fails for one or more pairs to locate fault Attenuation test fails intermittently Compare actual results to expected resul...

Page 115: ...is reflected back If the cable is properly terminated that is the terminator is equal to the impedance of the cable there will be no reflection of the signal and you will not be able to determine the length Figure 7 12 illustrates the behavior of the electrical signal when it reaches the end of the cable Figure 7 12 Using TDR To Locate Cable Faults Transmitted pulse Reflected pulse Cable Transmitt...

Page 116: ...t characteristic called Nominal Velocity of Propagation NVP This value can be determined by contacting the cable manufacturer NVP is the speed of signal propagation through a cable expressed as a percentage of the speed of light in a vacuum refer to Figure 7 13 Using the NVP value and the time to receive the returned TDR pulse the LANcat calculates the cable length Figure 7 13 Cable Nominal Veloci...

Page 117: ...worst case allowable impedance discontinuity specified in IEEE 802 3 for coaxial cable See Chapter 8 Set Up for information on how to change the default threshold value If you do not want to see anomalies in your test results increase the fault threshold value The LANcat also detects impedance anomalies as part of the Length test An anomaly is an impedance mismatch along the cable but an open or a...

Page 118: ...ble bad connection Re terminate the segment to eliminate the problem If the problem continues make sure other parameters such as attenuation are within limits If they are check the specification you are testing to If nothing is mentioned in specification regarding anomalies and all other parameters are within specification the segment should be fine The anomaly threshold was chosen by Datacom Text...

Page 119: ...feet the LANcat indicates the cable is too long to measure The length test reveals OPEN If the Remote unit is connected during the length test the Remote creates an OPEN in order to measure the length If you are concerned about continuity perform a Wire Map test Length exceeds the specification Compare measured values with expected values Ensure the NVP is correct by calibrating the unit to the ca...

Page 120: ...ger Perform a Wire Map test on the segment If Wire Map shows all pairs are OPEN or SHORT the LANcat can not detect the Remote Unit Thus all pairs are OPEN or SHORT within 5 feet of the LANcat If Wire Map results report that all wires are straight through re run the Length test Measured lengths of wire pairs in the same cable are different Some variation plus or minus a few percent is normal due to...

Page 121: ...sult in data re transmissions ultimately slowing down the network Delay Skew is becoming increasingly important in emerging high speed Networks such as 100BaseT4 622 Mbps ATM and Gigabit Ethernet To transmit data at these rates these emerging standards utilize all four cable pairs while transmitting data In order to recombine the data at the other end of the cable these standards require that the ...

Page 122: ...ate the NVP and re run the test Use a higher grade cable which typically have lower propagation delays If your cable is identified as 2 2 or 3 1 cable it may be resulting in excessive Delay Skew Contact your cable manufacturer Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 123: ...ring the same pathway as a data line elevators and industrial type equipment out in UV light fixture Noise Figure 7 14 Noise The IEEE 802 3 standard for 10BASE T includes an impulse noise specification If you have selected 10BASE T as the cable test standard when performing a noise test the 802 3 requirements are used for pass fail criteria For all other selected cable test standards noise will be...

Page 124: ...a lines are shared with voice lines Keep data lines separate from voice lines Re route voice lines to a different cable The following table discusses some common noise problems and their solutions Test Results Possible Solutions Fails noise 10BASE T from one end but not the other or noise is much greater measured from one end than from the other The cause of the noise is closer to one end than the...

Page 125: ...mpedances Locations of any significant impedance changes can be found by performing the Length test on a segment Refer to the previous section on Length for more information on finding impedance changes or anomalies Test Results Possible Solutions Impedance is out of specification Check specifications of cable Compare expected value with measured value Make sure you are using the correct cable tes...

Page 126: ...e used as a method to measure the length of a cable if you know the rated resistance ohm per foot or meter of the cable Resistance of a cable is usually rated on a per 1000 feet or 1 km basis The following table discusses some common resistance problems and solutions Test Results Possible Solutions Resistance is out of specification Compare measured value with expected value Troubleshooting resist...

Page 127: ...be assured with the use of the 8 position modular plug PM See Appendix A Test Standards for more explanation of the EIA TIA TSB 67 Link Performance Standard CONNECTING THE SEGMENT UNDER TEST CAUTION If you see and or hear an OVERVOLTAGE WARNING when connecting to a patch panel or wall plate disconnect the unit immediately You may have connected to a telephone line carrying ringing voltages The LAN...

Page 128: ... gross errors before running the longer Autotest If there is a gross error for example split pair OPEN segment too long you can fix the error before running the extended certification test thus saving time You cannot use the Quick Check for certification testing because it does not make all the measurements necessary to ensure EIA TIA compliance The Quick Check was only designed as a quick test Wh...

Page 129: ...nce problem 2 If any of the tests you perform using the LANcat fail use the information from the troubleshooting tables provided earlier in this chapter to determine the cause of the failure 3 If the LANcat displays results you did not expect make sure you document the result and or save the test for later printout Then if you are unable to resolve your problem contact Datacom Textron s Technical ...

Page 130: ...LANcat User Manual Page 7 36 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 131: ...ations Available Selections Default is bold Units Feet Meters Feet or Meters Fault Thresh Default Dec Inc 4 to 10 7 Noise Thresh Default Dec Inc 100 mV to 500 mV 260 mV PowerDown Dec Inc 2 to 30 min or disabled 5 min BackLight Dec Inc 15 seconds to 10 min 1 min Power Frequency 50 Hz or 60 Hz 50 Hz 60 Hz Baud Rate Dec Inc 1200 to 38400 baud 9600 baud Flow Control None Xon Xoff Hardware None Xon Xof...

Page 132: ...n Off On Off Company name MODIFY Left Right Previous Next Co A Z a z 0 9 Blank Circuit Names Blank None Same NEXT Blank None Same NEXT Auto Toner ON OFF ON OFF Reset to defaults SetUp NVPs SetUp NVP NOTE Display contrast can be adjusted as follows Hold the backlight button down while pressing the arrow keys until the contrast is set for comfortable viewing Artisan Technology Group Quality Instrume...

Page 133: ...are not lost when replacing instrument batteries LENGTH MEASUREMENT UNITS The Units parameter selects feet or meters for cable length measurements F1 F2 F3 F4 Switch dial to SETUP Highlight Units using the arrow keys Press FEET METERS F4 to change length units Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 134: ... case allowable impedance discontinuity specified in IEEE 802 3 for coaxial cable Anomalies that are greater than this threshold may impair network transmission F1 F2 F3 F4 Switch dial to SETUP Highlight Fault Thresh using the arrow keys Press DEFAULT F1 to change to the factory default value Press DEC F2 to decrease the fault threshold Press INC F3 to increase the fault threshold Artisan Technolo...

Page 135: ...ue is 260 mV which corresponds to the impulse noise specification for 10BASE T F1 F2 F3 F4 Switch dial to SETUP Highlight Noise Thresh using the arrow keys Press DEFAULT F1 to change to the factory default value Press DEC F2 to decrease noise threshold Press INC F3 to increase the Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 136: ... disable Power Down set the value to Disabled CAUTION Auto power down is automatically disabled during the Traffic and Noise tests Use the AC mains adapter to power the LANcat for extended Traffic or Noise monitoring F1 F2 F3 F4 Set dial to SETUP Highlight PowerDown using the arrow keys Press DEC F2 to shorten the time until power down Press INC F3 to lengthen the time until power down Artisan Tec...

Page 137: ...Frequency will avoid display flicker caused by the interaction of the LCD display with room light sources It is also used to filter noise from some measurements F1 F2 F3 F4 F1 F2 F3 F4 Set dial to SETUP Highlight BackLight using the arrow keys Press DEC F2 to shorten the time that the backlight remains on Press INC F3 to lengthen the time that the backlight remains on Set dial to SETUP Highlight P...

Page 138: ...ween the LANcat and the printer or PC The default setting is the HARDWARE flow control setting Other available settings are XON XOFF and NONE F1 F2 F3 F4 F1 F2 F3 F4 Set dial to SETUP Highlight BAUD RATE using the arrow keys Press DEC F2 to decrease the baud rate Press INC F3 to increase the baud rate Set dial to SETUP Highlight FLOW CONTROL using the arrow keys Press HARDWARE F4 XON XOFF F2 or NO...

Page 139: ...key to zero the seconds F1 F2 F3 F4 F1 F2 F3 F4 Set dial to SETUP Highlight Date using the arrow keys Press FORMAT F1 to change the date format Press MONTH to change the month Press DAY to change the date Press YEAR to change the year Set dial to SETUP Highlight Time using the arrow keys Press HOUR F2 to change the hour Press MINUTE F3 to change the minutes Press 0 SEC F4 to zero the seconds Artis...

Page 140: ...sables audible tones that are generated during Traffic and Noise tests as activity indicators Traffic Noise tones are automatically disabled when the Audible Tones parameter is disabled F1 F2 F3 F4 F1 F2 F3 F4 Set dial to SETUP Highlight Audible Tones using the arrow keys Press ON OFF F4 to enable or disable the tones Set dial to SETUP Highlight Traffic Noise Tone using the arrow keys Press ON OFF...

Page 141: ...ghlight CO using the arrow keys Press MODIFY F4 or ENTER to modify the name Press LEFT F1 or RIGHT F4 to move the cursor Press PREV F2 or NEXT F3 to enter alpha or numeric characters Hold down the softkey to accelerate scrolling of characters Press ENTER to save the new name Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 142: ...enter Circuit ID starting with nothing SAME User can enter Circuit ID starting with the last ID used NEXT User can enter Circuit ID starting with the last ID used but with the last character incremented NOTE The string length is not changed on overflow but the character to the left is incremented Letters increment to letters XYZABC and numbers increment to numbers 0123456789012 Example Sequences I...

Page 143: ...feature whenever the unit is set to Quick Check or Autotest and a remote is not attached See Chapter 5 Set dial to SETUP Press ON OFF F4 to enable or disable automatic tone generation F1 F2 F3 F4 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 144: ...t settings F1 F2 F3 F4 Set dial to SETUP Highlight Reset to Defaults using the arrow keys Press SETUP F2 to reset all setup parameters to their default values refer to Table 8 1 Press NVPs F3 to reset all NVP values to their default values as shown in Appendix B Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 145: ...selected More precise NVP values can be set using one of the following procedures NVP calibration using a section of the actual cable to be tested is the more accurate of the two procedures USING A KNOWN LENGTH OF CABLE To measure and save the NVP of a known length of cable perform the following steps 1 Set the dial to CAL 2 Select NVP from the calibration menu and press CAL F4 or ENTER 3 Press ar...

Page 146: ...acy Leave the far end of the cable open 5 Press START F1 6 Press DEC F2 or INC F3 to adjust the cable length on the display to the known cable length 7 Press SAVE F4 or ENTER to save the new value 8 To repeat press Start F1 9 Press ESC to exit the NVP calibration mode F1 F2 F3 F4 Entering Cable Length Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 147: ...e NVPs are listed in Appendix B Common NVP Values To load a known NVP value 1 Set the dial to CAL 2 Select NVP from the calibration menu and press CALIBRATE F4 or ENTER 3 Press INC F3 or DEC F2 to adjust the NVP value 4 Press ENTER to save the new NVP value A message indicates that the new value has been entered 5 Press ESC to exit the NVP calibration mode F1 F2 F3 F4 Entering a Known NVP Value Ar...

Page 148: ...fault value however may result in cable length measurement errors of up to 7 due to the variation in the signal propagation rate from cable to cable This potential length error usually will not impair troubleshooting of a prior working cable segment unless the length measurement of a cable is close to the test limit for example 100 meters on a 10BASE T segment When using the LANcat for cable certi...

Page 149: ...sed Calibration should be performed whenever a different Handheld Remote combination is used ONE WAY SYSTEM CALIBRATION To calibrate the remote on a OneWay System 1 Connect the Remote to the LANcat using the Modular Plug Performance Module Attach the modular plug directly to the Remote Unit When using the Modular Jack Performance Module use the supplied four foot 1 2 meter Category 5 patch cord 2 ...

Page 150: ...e test is finished the screen returns to the Calibrate menu 7 Turn the dial to Quick Press the UP or DOWN arrow keys to highlight the CAT5 Basic Link test standard Press ENTER or SAVE F4 to select the standard The unit will then perform a QUICK CHECK test 8 Once the test is complete press VIEW F3 Press the up or down arrow key until the Attenuation results are displayed The Attenuation results sho...

Page 151: ...o the other without need for recalibration If a Performance Module is replaced with another of the same type however calibration of the new Performance Module should be performed A Calibration Standard is available for convenient field calibration of twisted pair Performance Modules This Standard also enables you at any time to perform a confidence check on the proper operation of a Performance Mo...

Page 152: ...the bottom of the display will show the progress of the calibration Press CANCEL F1 or ESC to cancel the calibration procedure 8 After approximately 45 seconds the LANcat will display the message Connect To JACK 3 Remove the plug from JACK 2 and insert it into JACK 3 9 Press CONTINUE F4 or ENTER The message CALIBRATING will be displayed and the bar graph across the bottom of the display will show ...

Page 153: ... by using the arrow keys 3 Press CALIBRATE F4 or ENTER The Calibrate Impedance screen will appear with the displayed message Connect to Jack 1 4 Connect the LANcat to JACK 1 of the Calibration Standard Use the supplied Category 5 Patch Cord for connecting a Modular Jack Performance Module to the Calibration Standard 5 Press START F4 or ENTER The message CALIBRATING will be displayed on the screen ...

Page 154: ...hould be performed whenever a different Performance Module is installed To calibrate Resistance 1 Connect the LANcat to the Remote Unit 2 Set the dial to CAL 3 Highlight Resistance in the Calibrate menu by using the arrow keys 4 Press CALIBRATE F4 or ENTER The Calibrate Resistance screen will appear The bar graph across the bottom of the display will show the progress of the calibration 5 When fin...

Page 155: ...se without a means to access the Internet may contact Datacom Textron s Technical Support Center for software firmware upgrades Firmware updates are available as a self extracting executable file Follow the directions in README TXT to load the update Directions may also be found in your Report Manager User Manual on pages 10 and 11 Report Manager User Manuals are available from Datacom Textron Tec...

Page 156: ...LANcat User Manual Page 9 12 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 157: ...mpleted The printout includes a graph of network activity over time showing average utilization peak utilization percentage of collisions packet counts and jabber conditions For 10BASE T networks the LANcat automatically generates link pulses to activate the hub and reports whenever a link state with the hub is lost Because the Traffic test runs continuously use the AC mains adapter if the test is...

Page 158: ...ange the cable test standard and SAVE F4 or ENTER to select a cable test standard 4 Press ENTER to clear the last Traffic test from memory and start a new test CAUTION Auto power down is disabled during the Traffic test It is advised to use the AC mains adapter to power the LANcat for extended Traffic monitoring Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisant...

Page 159: ...centage of total packets transmitted Collisions are counted when runt packets shorter than a valid minimum packet length are detected Collision rates exceeding 3 may indicate a faulty station network interface card or an excessively long cable segment Last Error Identifies detected transmission errors and the time since the last error ended in hours minutes and seconds Error Since Identifies detec...

Page 160: ...ibly as a result of a faulty hub or cable link connected to the hub Wrong polarity Indicates possible miswire of cable link or hub port caused by tip ring reversal on a wire pair Jabber Indicates illegal packet length of greater than 20 ms was received This suggests a faulty network interface card Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 161: ... message indicates the time when the last error occurred There is no current error present F1 F2 F3 F4 F1 F2 F3 F4 F1 F2 F3 F4 Traffic Test Results Screen Wrong Polarity Traffic Test Results Screen Jabber Detected Traffic Test Results Screen No Link Pulse Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 162: ...LANcat User Manual Page 10 6 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 163: ...ours are Monday through Friday 8 AM to 4 30 PM Pacific Time The phone numbers and Internet address are US and Canada 800 468 5557 425 355 0590 International 425 355 0590 FAX 425 290 1600 Internet www datacom textron com You may wish to e mail your question to our web site A Datacom Textron Technical Support Representative will review all messages received and reply appropriately The FAX and web si...

Page 164: ... Datacom Textron Technical Support Representative If the LANcat passes the Selftest but still does not perform properly perform the calibration procedure refer to Chapter 9 Calibration then perform the System Integrity Pretest described in Chapter 2 If you continue to experience problems make a note of the circumstances and print a cable report if applicable Then call Datacom Textron Technical Sup...

Page 165: ...formance requirements have been established by the industry association EIA TIA in Technical Systems Bulletin 67 TSB 67 also defines two installed cabling test configurations the Channel and the Basic Link The primary difference between the Channel and the Basic Link configurations is that the Channel includes the user s patch cords and equipment cords used to connect to the workstation at the off...

Page 166: ...gnose system problems in existing networks TWO WAY SYSTEM CHANNEL TESTING The following figure illustrates a typical test set up using a TwoWay System to test a Channel Figure A 1 Channel Test Configuration Two Way System Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 167: ...ANNEL TESTING The following figure illustrates a typical test set up using a OneWay System to test a Channel Figure A 2 Channel Test Configuration One Way System Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 168: ...rformance requirements of TSB 67 The Modular Plug Performance Module is used in this arrangement TWO WAY SYSTEM BASIC LINK TESTING The following figure illustrates a typical test set up using a TwoWay System to test a Basic Link Figure A 3 Basic Link Test Configuration Two Way System Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 169: ...LINK TESTING The following figure illustrates a typical test set up using a OneWay System to test a Basic Link Figure A 4 Basic Link Test Configuration One Way System Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 170: ...o Level II accuracy with the Modular Plug Performance Module Level II is higher in performance than Level I It is not possible to attain Level II accuracy using the Modular Jack Performance Module Table 1 Attenuation Frequency MHz Category 3 dB Category 4 dB Category 5 dB Channel Link Channel Link Channel Link 1 0 4 2 3 2 2 6 2 2 2 5 2 1 4 0 7 3 6 1 4 8 4 3 4 5 4 0 8 0 10 2 8 8 6 7 6 0 6 3 5 7 10 ...

Page 171: ... 6 47 1 10 0 22 7 24 3 36 6 38 6 44 0 45 5 16 0 19 3 21 0 33 1 35 3 40 6 42 3 20 0 31 4 33 7 39 0 40 7 25 0 37 4 39 1 31 25 35 7 37 6 62 5 30 6 32 7 100 0 27 1 29 3 Table 3 CAT3 CAT4 and CAT5 Pass Fail Limits Length Channel 100 meters Link 94 meters Characteristic Impedance 100 25 Ω Split Pair NEXT 20 dB 8 10 MHz Resistance 9 9 Ω Artisan Technology Group Quality Instrumentation Guaranteed 888 88 S...

Page 172: ...lar Plug Performance Module is recommended If testing of the user patch cords is required the Modular Jack Performance Module can be used with reduced accuracy performance NOTE ScTP Class D and ISO 11801 Class D are equivalent with the exception that ScTP requires shield continuity Table 4 ISO IEC 11801 Pass Fail Limits Frequency MHz Maximum attenuation values dB Minimum NEXT loss dB Class C Class...

Page 173: ...ss C Class D 1 0 35 3 40 22 4 40 10 0 12 3 35 16 0 5 30 20 0 28 31 25 23 62 5 13 100 0 4 Table 6 ISO 11801 Class C Class D Pass Fail Limits Length 100 meters Characteristic Impedance 100 25 Ω Split Pair 20 dB Resistance 20 5 Ω Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 174: ...ir to pair test limit of the base cable standard All other test limits are the same IEEE Twisted Pair Test Limits IEEE 802 3 and 802 5 Standards specify cabling performance required for proper operation of Ethernet and Token Ring networks respectively LANcat checks against the following limits when those wiring systems are invoked from the menu These systems can be tested with either the plug or j...

Page 175: ... dB 5 MHz 27 dB 8 MHz 26 dB 10 MHz NEXT 26 15log f 10 where f signal frequency in MHz Attenuation 11 5 dB Split Pair NEXT 20 dB 8 10 MHz Resistance 9 9 Ω Table 8 4 Mbps Token Ring UTP Pass Fail Limits Length 100 meters Characteristic Impedance 100 25 Ω NEXT 31 dB 5 MHz 28 dB 8 MHz 26 dB 10 MHz Attenuation 7 dB 5 MHz 9 dB 8 MHz 10 dB 10 MHz Split Pair NEXT 20 dB 8 10 MHz Resistance 9 9 Ω Artisan Te...

Page 176: ...Hz 6 dB 8 MHz 7 dB 10 MHz 9 dB 16 MHz 11 dB 20 MHz Split Pair NEXT 20 dB 8 10 MHz Resistance 9 9 Ω Table 10 Token Ring STP Pass Fail Limits Length 100 meters Characteristic Impedance 150 25Ω NEXT Between 1 and 16 MHz NEXT 35 dB Attenuation Between 1 and 16 MHz Attenuation 8 5 dB Split Pair NEXT 20 dB 8 10 MHz Resistance 7 Ω Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE ...

Page 177: ...uation Category 5 Channel Limits Split Pair NEXT 20 dB 8 10 MHz Resistance 9 9 Ω Table 12 100 Base T4 Pass Fail Limits Length 100 meters Characteristic Impedance 100 25 Ω NEXT Between 1 and 16 MHz NEXT Category 3 Channel Limits Attenuation Between 1 and 16 MHz Attenuation Category 3 Channel Limits Split Pair 20 dB Resistance 9 9 Ω Artisan Technology Group Quality Instrumentation Guaranteed 888 88 ...

Page 178: ... MHz Attenuation Category 5 Channel Limits Split Pair 20 dB Resistance 9 9 Ω Table 14 FTP 120Ω Pass Fail Limits Length 100 meters Characteristic Impedance 120 25 Ω NEXT Between 1 and 100 MHz NEXT ISO 11801 Class D Limits Attenuation Between 1 and 100 MHz Attenuation ISO 11801 Class D Limits Split Pair 20 dB Resistance 20 5 Ω Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE...

Page 179: ... 100 meters Characteristic Impedance 100 Ω NEXT Between 1 and 100 Mhz NEXT Category 5 Limits Attenuation Between 1 and 100 Mhz Attenuation Category 5 Limits Split Pair 20 dB Resistance 9 9 Ω Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 180: ...ich pairs will be included in the tests and which tests will be performed To create a custom standard 1 Set dial to Autotest Quick Wire Map Length or Traffic 2 Press either arrow key to display the cable standard library 3 Select a test standard to copy for the new custom test standard then press EDIT F2 4 Press SELECT DESELECT F3 to choose the tests that will be performed Press either arrow key t...

Page 181: ...he test standard that was copied preceded by an asterisk will be displayed If you want to change the name move through the name with the LEFT and RIGHT keys and select new characters with the PREV and NEXT keys 9 Press ENTER to save the custom cable test standard NOTE When using a TwoWay System matching custom cable definitions must be created on both units F1 F2 F3 F4 F1 F2 F3 F4 Artisan Technolo...

Page 182: ...LANcat User Manual Page A 18 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 183: ...nel 72 Category 4 Basic Link 66 Category 4 Channel 66 Category 3 Basic Link 62 Category 3 Channel 62 Token Ring STP 78 Token Ring 4 UTP 60 Token Ring 16 UTP 69 10BASE T 62 100BASE TX 72 100BASE T4 58 TP PMD 72 TP PMD Rev 72 ScTP Class C 62 ScTP Class D 72 ATM 155 Mbps 72 FTP 120 Ohms 72 ISO 11801 Class C 62 ISO 11801 Class D 72 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOU...

Page 184: ...2 Berk Tek LAN Grade PL PVC 3 100 58 Berk Tek LAN Grade PL FEP 3 100 72 Berk Tek LAN Grade NP 3 100 69 CommScope 3504 3 100 68 Brand Rex CMP 00026 4F 3 100 60 AT T 1024A 3 100 67 Alcatel 530102 3 100 65 Alcatel 230146 3 100 65 Alpha 9404C 4 100 67 Alpha 9404F 4 100 73 AT T 2041A 4 100 75 Belden 1455A 4 100 72 Belden 1457A 4 100 75 Belden 1555A 4 100 72 Belden 1456A 4 100 71 Belden 1458A 4 100 75 B...

Page 185: ...061 5 100 70 AT T 2061 5 100 75 Belden 1583A B 5 100 72 Belden 1585A B 5 100 75 Berk Tek HYPER Grade PL 5 100 72 Berk Tek HYPER Grade NP 5 100 69 Berk Tek LANmark PL 5 100 72 Berk Tek LANmark NP 5 100 70 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 186: ...LANcat User Manual Page B 4 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 187: ...in X 1 9 in 15 2 cm X 8 9 cm X 4 8 cm Weight 13 oz 0 37 kg ENVIRONMENTAL Operating Temperature 0 to 50 C 32 to 122 F Operating Humidity non condensing 10 to 90 Storage Temperature 20 to 60 C 4 to 140 F European Community Notice This device complies with Directive 89 336 EEC per TCF CC KID 048 98 PROTECTION Performance Module inputs withstand telco ring voltages 175V peak 20 60 Hz superimposed on 5...

Page 188: ... storage life 2 years OneWay Remote Unit Battery Four AA alkaline Battery Life 8 10 hours continuous use or 800 Autotests typical PERFORMANCE MODULES Standard Modular Plug Optional Modular Jack Optional Coax Optional Optical Power Meter MEMORY Test Storage Storage for 500 Autotest results plus one Traffic Report in each handheld unit 1000 reports total in TwoWay System Imprint Date on all tests No...

Page 189: ... ft 0 305m 2ft 0 6m 3 NVP Uncertainty 1001 to 2000 ft 306 610m NVP Nominal Velocity of Propagation 0 50c to 0 99c Cable Fault Types Shorts Opens Intermediate Impedance Anomalies Number Of Faults End Of Cable and two Intermediate Anomalies Fault Threshold User defined 4 to 10 7 default 1 No connection 2 Receive data input 3 Transmit data output 4 Data terminal ready output 5 Signal ground 6 No conn...

Page 190: ...ur pairs one way Frequency Range 1 MHz to 100 MHz NEXT Accuracy With Modular plug Performance Module exceeds requirements of TIA TSB 67 for Level II Accuracy Attenuation Accuracy With Modular Plug Performance Module exceeds requirements for TIA TSB 67 for Level II Accuracy POWER SUM NEXT Tests Power Sum NEXT for all four pairs Tests Power Sum NEXT at both ends LANcat TwoWay Frequency Range 1 MHz t...

Page 191: ...ned 100 mV to 500 mV peak 260 mV default CABLE RESISTANCE TWISTED PAIR Range 0 Ω to 1000 Ω Accuracy 0 5 Ω 0 to 10 Ω 1 0 Ω 10 to 20 Ω CABLE IMPEDANCE TWISTED PAIR Range 30 Ω to 200 Ω Accuracy 10 Ω at 100 Ω calibration point TRAFFIC ETHERNET ONLY Parameters Monitored Utilization Collisions Peak Traffic Other Features Continuous bar graph to display activity Artisan Technology Group Quality Instrumen...

Page 192: ...LANcat User Manual Page C 6 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 193: ...Series Cable Tester The LANcat instrument uses frequencies up to 100 MHz where 1 inch of wire is a significant part of a wavelength Proper wire preparation and pair twisting is extremely important to preserve measurement accuracy Follow the procedures carefully including re calibration and testing to maintain the superb accuracy of your LANcat Series Cable Tester Artisan Technology Group Quality I...

Page 194: ...ct installation OR EIA TIA T568A Category 5 patch cord 8 ft length cut in two OR 4 ft Category 5 patch cord with one connector removed Tools Required Tie wrap approximately 0 14 inch wide x 3 inch minimum length 3 6mm x 7 5 cm Screwdriver flat blade 0 10 inch 2 5 mm Side cut pliers dikes Wire stripping tool Knife Optional equipment Soldering tools Needle nose pliers Artisan Technology Group Qualit...

Page 195: ...gure D 1 Performance Module Disassembly Disassembly 1 Remove the Performance Module from the main body see Chapter 1 Introduction CAUTION Performance Module removal exposes STATIC SENSITIVE electronics inside the main body Ground yourself appropriately to avoid damage For the following refer to Figure D 1 2 Remove the two 11 16 inch 4 40 pan head screws from the Performance Module with a flat blad...

Page 196: ...et 7 Remove the grommet from cable and save for reuse New Cable Preparation NOTE This procedure assumes you are using EIA TIA T568A type patch cord See Table 1 for other possible configurations If changing cable types it may be necessary to contact Customer Service for calibration assistance Read all instructions before starting cable preparation Figure D 2 Cable Preparation Per EIA TIA T568A Arti...

Page 197: ...approaches the wire s end 3 Arrange the cable and wire pairs as shown in Figure D 2 Do not untwist the pairs any more than required to strip the wire ends 4 Cut the two inner wire pairs orange and blue for EIA TIA T568A to 1 1 8 in 28mm from the jacket 5 If using ScTP cut the bare drain wire to 1 inch 25 mm 6 Remove insulation 1 4 in 6 mm from the end of each wire and twist to capture all strands ...

Page 198: ... strip 2 Check to see that there are no stray wire strands outside terminal clamps and make sure all wires are properly tightened into their terminals 3 Make sure that each pair twist is correct and that the four wire pairs exit radially from the cable jacket as before Rotate the entire cable so the fan of wires is flat and parallel to the circuit board Artisan Technology Group Quality Instrumenta...

Page 199: ...hen properly installed If necessary change their positions to avoid pinching DRAIN WIRE NOTES CAUTION If using ScTP the drain wire must not short against the circuit shield nor the case if case is copper painted Shorten the drain wire by cutting as required to accomplish clearance 7 Reinstall the 4 40 screws from the open side of the case see Figure A for direction Make sure the screws extend thro...

Page 200: ...ations If your assembly fails this test re examine the twisted pairs as they enter the screw terminals Try twisting the wires tighter and make sure the twists extend as close as possible to the screw terminals Sometimes moving the pairs is all that is required Many CAT 5 patch cables have too much NEXT due to the way they are terminated at the plug end You may need to try several before finding on...

Page 201: ... a OneWay System or TwoWay System depending on your LANcat configuration 3 SYSTEM CHECK Check your LANcat performance as follows Turn dial to EXTENDED FUNCTIONS Run Self Test All results should read PASS Run Pair Reversal Test Result should read PASS Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 202: ...Pair 4 to T568A Green White Green White Orange Orange BLue White BLue White BRown BRown 110 Pair 2 Pair 3 Pair 1 Pair 4 to T568B Orange White Orange White Green Green BLue White BLue White BRown BRown BIX Pair 3 Pair 2 Pair 1 Pair 4 to T568A Orange Blue Black Yellow Red Green Brown Gray BIX Pair 2 Pair 3 Pair 1 Pair 4 to T568B Yellow Black Blue Orange Red Green Brown Gray ALL LAN Pair 3 Pair 2 Pai...

Page 203: ...s Institute ARCNET Attached Resources Computing Network A token bus developed by Datapoint ATM Asynchronous Transfer Mode a high speed packet switching method Attenuation Reduction in the strength or power of a signal as it travels over the length of a cable Attenuation to Crosstalk Ratio ACR An indication of the reliability of data communications through a network It is a computed value based upo...

Page 204: ...o the horizontal cross connect Includes equipment cords at each end for connection to test instrumentation see Appendix A Test Standards Figure A 2 BER Bit Error Rate the ratio of received bits in error to the total received bits Binary A signaling method that uses two states either a zero or one Bit Binary digit the smallest unit of data Bits per Second bps The rate at which bits are transmitted ...

Page 205: ... by EIA TIA TSB67 the entire horizontal wiring link connecting end devices in the work area to the hub concentrator in the wiring closet Includes user s equipment cords at both ends and horizontal cross connections see Appendix A Test Standards Figure A 1 Characteristic Impedance An inherent characteristic of the cable A measure of resistance to AC current flow high frequency by a long cable Cheap...

Page 206: ...ver the medium is available and re transmit when collisions occur D DC Direct Current A zero frequency or constant level signal Decibel dB A logarithmic unit of measure used to express the amplitude ratio between two signals dB 20 log Vsignal2 Vsignal1 Delay A measure of the time electrical signals take to propagate from one end of the cable to the other end Delay Skew The difference in propagatio...

Page 207: ...tion FCC Federal Communications Commission FDDI Fiber Distributed Data Interface a network standard ANSI X3T9 5 that defines a 100 Mbps token ring network using optical fiber for data transmission over distances of several kilometers Fiber A transmission medium designed to transmit data in the form of light pulses File Server A high capacity file storage device that computers on a network can acce...

Page 208: ...ntrator I I O Input Output referring to a device input and output process IDF Intermediate Distribution Frame The distribution point where vertical backbone cable is connected to the horizontal cables IEEE Institute of Electrical and Electronic Engineers Impedance Frequency dependent parameter defined by the ratio of the AC Voltage to Current across a circuit element Impulse Noise Non repetitive e...

Page 209: ...ved data bits Jumper Cable Short cable for interconnecting connecting blocks or patch panels Also called patch cord or patch cable L LAN Local Area Network a data communication network that provides high speed communication in a moderate size geographic area Link The communications medium connecting office equipment to the hub or concentrator in the wiring closet Link Pulse A single bit test pulse...

Page 210: ...vice used in Ethernet networks to couple a station or hub to the transmission medium Medium The physical carrier of the data being transmitted for example twisted pair cable coaxial cable or fiber Modular Jack EIA standard receptacle connector used for connecting twisted pair cables at a wall plate patch panels and station equipment Sometimes called RJ45 jack Modular Plug EIA standard connector us...

Page 211: ...Connecting point on a network A station or device on a network Noise Any random disturbance in a communications system that interferes with the integrity of the transmitted data NVP Nominal Velocity of Propagation the speed of signal propagation through a cable expressed as a percentage of the speed of light in a vacuum O Ohm Unit of measure for resistance Open A break in the connection between th...

Page 212: ...terconnection of cable segments Physical Layer The layer that provides the mechanical electrical and functional connection over a transmission medium Plenum A air handling space inside a building Plenum cable is certified for installation in these open spaces Plug A connector designed to insert into a receptacle jack of a socket Port An access point for data I O Power Sum NEXT A sum of the pair to...

Page 213: ...ght position telephone type connector Router Attachment device that interconnects two or more LAN subnetowrks and relays packets based upon destination network addresses Runt Packet An Ethernet packet that is shorter than the minimum 64 bytes valid length S Screened Twisted Pair ScTP Cable constructed of four twisted wire pairs surrounded by a metal foil shield and an outer protective jacket Also ...

Page 214: ... pair wiring error in which pin to pin continuity is maintained but physical pairs are separated Star Physical layout of a LAN that uses a centralized wiring location Starlan LAN network developed by AT T Station Communication device or node attached to a LAN STP Shielded Twisted Pair System A collection of machines and processing organized to accomplish a set of functions T Tap Connection to a co...

Page 215: ...mitted over a Ring or Bus network used to signify permission to transmit TP PMD Twisted Pair Physical Media Dependent A variation of the FDDI standard ANSI X3T9 5 adapted for 100 Mbs data transmission on twisted pair cable Also called CDDI Traffic Data transmission activity on a network Transceiver A station access unit for coax networks Transceiver Cable Cable used to attach a device to an Ethern...

Page 216: ...e between two points W Wide Area Networks WAN Networks usually in the public domain that tie together widely separated computing devices or LANs Wiring Closet A room used to interconnect horizontal cable links and locate communication distribution equipment Also called telecommunications closet Word Data bits assembled in a convenient processing size Workstation A user s computer that can be conne...

Page 217: ...ging setup parameters 8 7 Basic Link 1 Basic Link Test Configurations 4 Batteries changing 1 10 information 1 9 low battery message 1 9 specification 2 Baud Rate 6 7 changing setup parameters 8 8 C Cable connecting the test segment 7 34 length calculated 7 22 Cable Test Standard Selecting 2 9 Calibration LANcat V 9 11 NVP 9 1 NVP 9 1 OneWay System 9 5 Remote Unit 9 5 TwoWay System 9 6 Calibration ...

Page 218: ...description 1 5 setting up 2 1 specifications 1 test results 7 35 upgrading 9 11 Length changing setup parameters 8 3 defined 5 16 definition of 7 21 running 5 17 solutions to test failures 7 24 viewing results 5 17 Level II Measurement accuracy 7 33 M Marginal Test Results 3 6 4 4 5 25 N Near End Crosstalk definition of 7 9 NEXT common causes of 7 12 defined 5 4 Power Sum 5 9 7 16 Running 5 4 sol...

Page 219: ...arameters 8 7 Power Sum NEXT 5 9 7 16 Printing test reports selecting 6 4 Printing Test Reports overview 6 1 Q Quick Check definition of 4 1 running 4 2 viewing results 4 4 R Remote Unit calibration 9 5 specifications 1 Remote Unit 1 8 Repeatability Running 5 32 Repeatability Test 5 32 Reset to Defaults Returning to 8 14 Resistance definition of 7 32 solutions to test results 7 32 Rotary Dial 1 5 ...

Page 220: ... 21 Token Ring UTP Pass Fail Limits 11 Traffic defined 10 1 Traffic Test results screens 10 5 running 10 2 viewing results 10 3 Traffic Noise Tones Changing setup parameters 8 10 Twisted Pair test descriptions 7 2 Twisted Pair Cable Types of 7 1 TwoWay System cable standards 2 9 calibration 9 6 running Autotest 3 2 Send function 1 6 setting up 2 2 testing a basic link 2 5 testing a channel 2 7 U U...

Page 221: ...l service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE INSPECTION Remotely inspect equipment before purchasing with our interactive website at www instraview com LOOKING FOR MORE INFORMATION Visit us on the web at www artisantg com for more information on ...

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