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SCT2000 and SCT1500 Structured Cable Testers

1. Uu SCT PRIMARY SCT SECONDARY Figure 15 Example of Secondary Light Source Mode Power Meter Mode The power meter mode is enabled on the primary device by selecting power meter in the individual measurement menu The power meter mode continuously monitors and reports optical power Simplex SC SC style fiber optic cord TELE ELEN SES e WOH Fibre optic link or spool under test SCT PRIMARY Figure 16 Power Meter Modes FIBER OPTIC CERTIFICATION RESULTS The SCT Autotest carries out all tests required by industry standards If a test is not applicable to the selected test standard the test will be marked informative and will not be evaluated for certification RESULT SUMMARY The result summary showing all measurements in summary format is displayed first when viewing results The result summary display is formatted for easy viewing of overall result performance displaying all certification result information including each measurement s worst case margin and the fiber it occurred on Result details are available by highlighting the desired result and pressing ENTER RESUL
2. Ur CH o par Tern Fibre optic link b Caution or spool under test Do not disconnect the reference cord from the output connector lt Disconnecting the reference cord from the output connector will invalidate the reference setting Figure 14 Loopback Mode Method B Reference Setting Saving Results Saving certification results stores all of the necessary data for certification testing compliance and report generation in accordance with industry standards 1 Navigate to the Save Result option and press the ENTER key Viewing Results Viewing results displays the certification results in summary detailed or graphic formats Refer to the chapter named Fiber Optic Certification Results for more details To view results 3 Navigate to the View Result option and press the ENTER key INDIVIDUAL FIBER OPTIC CABLING TESTS Individual tests require that the appropriate project is selected and a reference is established with exception of the light source and power meter prior to testing INDIVIDUAL TEST MENU All individual testing tasks such as selecting a test and starting a test are managed from the Individual Test menu simplifying testing 2 Using the navigation keys select Individual Test from the Home m
3. if the selected standard does not require the measurement Margin Result Els 6 0 Int 44 6 4 Int Fis DD Int Aug 10 2006 2 47 PM T Length Length displays the calculated length of each pair in the link In order to calculate length the tester measures delay and then uses the cable s nominal velocity of propagation to calculate length Itis normal that the length of each pair often appears slightly different due to differences in the twist rate and insulation material of each pair Note e Length is marked as informative if the selected standard does not require the measurement Length Margin Result 12 191 295 104 Pass Es 20S 295 F Pass 45 193 eos 102 Pass fo ERR 295 a4 Pass Aug 10 2006 247 PM gt Propagation Delay Propagation delay displays the measured time in nanoseconds nS required for a signal to propagate from one end of the link to the other It is normal that the propagation delay of each pair often appears slightly different due to differences in the twist rate and insulation material of each pair Time 0 Time 200nS CH G Delay 200nS Figure X Propagation Delay Margin Result 12 20 495 0 240 0 Es Zol 495 0 217 0 45 De 495 0 256 0 fo EE 495 0 227 0 Aug 10 2006 2 48 DM T Delay Skew Delay skew displays the calculated difference in nanoseconds nS between the propagation delay of the shortest pair and all other pairs Delay skew occurs due to differences in
4. DEFAULT CAT6 internal Al 1 Menu Name 2 Saved Results Tree View 3 Saved Result Node multiple nodes may exist depending upon the Circuit ID format 4 Individual Result Delete Results 1 Using the navigation keys select Result from the HOME menu under the Manage window and press ENTER Using the navigation keys select Delete Results from the Manage Results menu and press ENTER 3 Using the down and right arrows navigate through the results tree view until you reach the desired result node or individual result to delete then press ENTER 4 Confirm the delete action and press ENTER LINK ADAPTERS OVERVIEW OF LINK ADAPTERS Link interface adapters provide the correct interface for testing different types of twisted pair LAN cabling Figure 9 shows how to connect a link or channel adapter Figure 10 shows how to remove the link or channel adapter Figure 8 Connecting an Adapter 1 Insert the rear of the link adapter into the SCT 2 Push the top of the link adapter in and lock it in place Figure 9 Removing an Adapter 1 Push in on the adapter release latches located on both sides of the test set 2 Release the adapter Twisted Pair Adapters The SCT Link and Channel adapters provide the appropriate network interfaces for certifying and testing twisted pair LAN cabling The Connector Less interface eliminates the need for a connector in the adapter ensur
5. Megger SCT2000 and SCT1500 Structured Cable Testers USER MANUAL ENGLISH SAFETY WARNINGS Read First Safety and Operational Information The international symbols used on the instrument or in this manual are described below Warning Risk Of Electric Shock Warning Or Caution Risk Of Damage Or Destruction To Equipment Or Software See Explanation In The Manual Equipment Is Protected By Double Insulation Or Reinforced To Protect The User Against Electric Shock Do Not Connect This Terminal To Public Communications Network Such As Telephone Systems Warning Class 1 and Class 2 Laser Products Device Optical Measurement Output Connector Device Optical Measurement Input Connector Device Visual Fault Locator Output Connector Optical Source VFL Enable Buttons Recyclable Electronic and Electrical Equipment Do not dispose of in waste A Warming Safety warning for connection to hazardous voltages e If this product is used in a manner not specified by the manufacturer the protection provided by the product may be impaired Safety isolation to permit connection to signal lines carrying hazardous voltages including TNV 1 TNV 2 and TNV 3 is not provided NEVER connect the SCT to such lines Never connect the test set to any telephony inputs systems or equipment including ISDN Doing so is a misapplication of this product which can result in damage to the test set and create a potential shock hazard
6. T 44 0 1 304 502101 F 44 0 1 304 207342 E uksales megger com Megger Valley Forge Corporate Center 2621 Van Buren Avenue Norristown PA 19403 USA T 1 800 723 2861 ext 8578 USA Only T 1 610 676 8500 F 1 610 676 8610 E ussales meeger com E VECustomerService megger com Megger Z A Du Buisson de la Couldre 23 rue Eug ne Henaff 78190 TRAPPES France T 33 0 1 30 16 08 90 F 33 0 1 34 61 23 77 E infos megger com Megger Pty Limited Unit 26 9 Hudson Avenue Castle Hill Sydney NSW 2125 Australia T 61 0 2 9659 2005 F 61 0 2 9659 2201 E ausales megger com Megger Limited 110 Milner Avenue Unit 1 Scarborough Ontario M1S 3R2 Canada T 1 416 298 9688 Canada only T 1 416 298 6770 F 1 416 298 0848 E casales megger com Megger products are distributed in 146 countries worldwide This instrument is manufactured in the United Kingdom The company reserves the right to change the specification or design without prior notice Megger is a registered trademark Part No SCT_UG_en_V04_0808 www megger com
7. CATG Perm Link Cable Cat 6 UTP Test Pair Margin Device Lal i Wireman i Resistance p Length p Delay p DelaySkew p Insertion Loss A Return Loss X NEXT Aug 10 2006 4 Test Status a PASS A FAIL i Informative see Informative results ze PASS FAIL see PASS FAIL results 5 Pair Reporting Worst Case Margin 6 Worst Case Margin Value Negative values indicate a failure 7 Device Reporting Worst Case Margin Result Details Result detail displays an individual measurement s detail 1 Using the navigation keys select the measurement of interest from the result summary menu and press ENTER The result detail display is formatted for easy viewing of individual measurement result performance displaying all measurement result information including all pair s worst case margin values the limit at the worst case margin point the worst case margin the results status and the frequency point of the worst case margin point Return Loss Pairs EN l SS L 22 9 i 13 9 36 24 1 Pass GO 42 179 k Ge Pass fQ 1 2 738 ae i i Pass Zi Secondary 12 21 0 Pass 15 7 36 17 5 178 A Fail 41 3 d 13 4 10 0 Pass 248 5 gt 78 15 1 14 7 Pass 0 3 B4 1 Aug 10 p T a T 8 1 Summary Result Status PASS all parameters within limits FAIL one or more parameters exceed limits 2 Measurement Type 3 Measurement Results from Primary and Secondary test devices 4 Pair s
8. Comment Navigate to the Comment field and press ENTER Using the editor create a comment Delete a Project Folder The delete process is used to delete projects from internal or external SCT memory To protect the user from accidental deleting results the SCT will not delete a project that contains results Delete all saved results in a project before deleting the project 1 Select Projects from the HOME menu using the navigation keys and press ENTER Sr Select Delete Project and press ENTER 3 Select the project to view and press ENTER 4 Confirm the action and press ENTER CABLES SCT manages a library of pre defined manufacturer and user created cables The user may view all cables and edit delete and create custom cables for use in certification Cables contained in the library are selected from the manage project function Managing Cables MGB need to define added tree structure View Cable 1 Using the navigation keys select Cables from the HOME menu under the Manage window and press ENTER 2 Select View Cable and press ENTER 3 Using the navigation keys select manufacturer supplied or user supplied cable and press RIGHT ARROW 4 Using the navigation keys select the cable media type press RIGHT ARROW 5 Using the navigation keys select the cable supplier name and press RIGHT ARROW 6 Using the navigation keys select the desired cable and press ENTER 7 Edit Cab
9. Improve result analysis by displaying results in multiple formats Certification results are displayed in O Summary form showing overall link performance o Detailed form showing each pair s measurement result for link performance analysis or o Graphical form showing every measured data point for visual link performance analysis e Select link diagnostics from the test menu to quickly identify the distance to the source of a link fault Improve link diagnostic analysis by displaying results in multiple formats Diagnostic TD NEXT and TD Return Loss results are displayed in o Summary form quickly identifying distance to the greatest disturbance o Detailed form showing each pair s diagnostic result for quickly identifying distance to component disturbances or o Graphical form showing all disturbances on all pairs for visual link diagnostic analysis e The unique Megger Connect Less recessed adapters eliminate practically all potential adapter and tester damage keeping the SCT on the job The Connect Less adapter interface is a high performance field replaceable system for making electrical contact between the tester and adapter Unparalleled result storage capability Internal memory stores over 5000 certification results or 100 graphic results External memory capability can use Compact Flash Multi Media or Secure Digital cards storing 200 certification results or 4 graphic r
10. be III p m w UI Sharp Bend Bad Splice SCT PRIMARY or SECONDARY Figure 17 Visual Fault Locator SECONDARY FUNCTIONS The secondary device allows the user to initiate multiple actions TEST The Secondary TEST button functions exactly like a remote control for initiating an Autotest Prior to starting a test the Primary must also be prepared to certify Refer to the section titled Certifying Twisted Pair Cabling TALK The Secondary TALK button functions exactly like a remote control for initiating TALK See the section titled TALK for more details VOLUME Secondary volume will be implemented in future software At this time the volume is set to a nominal value and may not be adjusted TONE Secondary TONE will be implemented in future software At this time the TONE function is not available CIRCUIT ID Circuit ID Type The SCT provides three methods for creating Circuit ID types Two of these options automatically generate a Circuit ID list and one option allows the user to manually generate Circuit IDs Auto Increment Start Stop Select this option if you want the SCT to automatically generate an incrementing Circuit ID list from a user entered starting and stopping Circuit ID This is useful if the network Circuit Ds increment in a semi uniform manor with a start and stop number Whil
11. connectors at Jop Disconnecting the reference cords LU S l from the output connectors will invalidate the reference SCT PRIMARY setting SCT SECONDARY Figure 19 Alternate Method B Reference Setting When the reference measurement is complete disconnect the center SC to SC fiber optic reference cord and add the two short duplex patch cords converting SC to the connector style used by the link under test which will produce Test Method B results Alternate Test Method B will accommodate links with the same or different connectors at each end of the link under test Duplex SC SC style fiber Duplex SC SC style fiber optic reference cord optic reference cord TET SC to Non SC TL WR OR style patch cord s Non SC style connector s TALK O Fiber optic link or spool under test Caution il UI LU di Lp SCT PRIMARY Do not disconnect the reference cords from the output SCT SECONDARY connectors et Jop Disconnecting the reference cords from the output connectors will invalidate the reference setting Figure 20 Alternate Method B Certification Testing Megger Limited Archcliffe Road Dover Kent CT17 9EN England
12. evaluated If the Insertion Loss is less than 3 0dB at all frequency points then Return Loss will be marked for information only and will not be evaluated Return Loss Wargin Pairs Value Primary LA 24 0 Els cl 44 ER ZC 24 0 Secondary LA d Els 23 0 45 13 8 Fis eo Aug 10 2006 Limit 20 5 20 3 15 8 a a 16 0 20 3 10 3 20 3 lt a gt Peak Margin Result 3a Pass 4 4 Pass 3 6 Pass IF Pass 1 5 Pass Els Pass E Pass 1 7 Pass 4 10 PM 12 5 13 5 efi 15 7 62 5 dag eal 15 7 Ki Near End Crosstalk NEXT NEXT displays the ratio in decibels dB of the measured outgoing signal power transmitted on one pair that couples to an adjacent pair and reflects back to the transmitter Undesirable signal coupling in links can occur if incorrect cable or connectors are used Additional unexpected coupling may occur if the transmission characteristics of a pair are significantly disturbed while entering a connector High NEXT values indicate that pair to pair coupling is at a minimum Use the tester s NEXT diagnostic capability to locate NEXT sources Transmitted Signal Received Signal due to NEXT Note Connector Crosstalk Crosstalk ISO IEC 11801 2002 6 4 4 1 states NEXT values at frequencies where the Insertion Loss is below 4 0 dB are for information only Therefore if at any frequency point the Insertion Loss is less than 4 0dB the NEXT at that frequency poi
13. results include the loss of the cable plant only If you are testing fiber optic links with connectors other than SC style refer to Appendix B for the Modified Test Method B that produces Test Method B results ESTABLISHING A FIBER OPTIC REFERENCE Setting a fiber optic reference establishes the zero loss power and zero length distance for all future measurements Setting a reference also removes additional losses due to reference patch cords and adapters that should not be included in the measurement Therefore properly setting a reference is necessary for obtaining accurate results A Caution Establish a fiber optic reference only after the SCT Primary and Secondary units and the SCT MMA SMA fiber optic adapters have been on for five minutes Allow additional time for the adapter to reach ambient temperature if the adapters have been stored above or below ambient temperature Caution The reference measurement is invalidated if the reference patch cord is disconnected from the SCT_MMA SMA fiber optic adapter Disconnecting and re connecting a reference patch cord will alter the optical characteristics resulting in a different reference loss power Establish a new reference Anytime the SCT MMA SMA adapters are attached z Anytime the reference patch cords are disconnected from the SCT MMA SMA adapters m Anytime negative loss or length results are obtained The SCT will request a new reference After a 24 hour period has el
14. shielded RJ45 plug and jacketed with a protective flexible cover to ensure long service life The RJ45 plug is centered in the de embedded range and provides consistent accurate results The adapter cord s NEXT and Return Loss performance is extremely good and remains constant while repositioning the cord Careful handling by the user and avoidance of kinking and crushing the permanent link cord will maximize the performance and long service of the permanent link adapter The channel adapter is constructed with a high performance Class E Category 6 RJ45 shielded jack The RJ45 jack is centered in the de embedded range and provides consistent accurate results Careful handling by the user and avoiding the insertion of non RJ45 plugs that may damage the adapter will maximize the performance and long service of the channel adapter PREPARING TO TEST TWISTED PAIR CABLING ESTABLISHING A TWISTED PAIR REFERENCE The SCT reference process establishes a measurement reference for calculating insertion loss and ELFEXT between a Primary and Secondary SCT and exchanges necessary information about the testers to certify cabling The SCT can be referenced to one Secondary unit It is not necessary to establish a new reference when changing permanent link or channel adapters Establish a new reference e Prior to the test set first use e Each time a different Primary or Secondary SCT is used to certify e Recommended every 30 days Note Establish a tw
15. spans two menu windows The process always begins on page one Press the right arrow to move to the next page and the left arrow to move to the previous page Page 1 1 Select Projects from the HOME menu using the navigation keys and press ENTER 2 Select Create Project and press ENTER 3 Create a Project Name Navigate to the project name field and press ENTER Using the editor create a new project name When complete navigate to the Save hyperlink and press ENTER 4 Select a Media type Navigate to the Media field and press ENTER Using the navigation keys highlight the twisted Pair selection and press ENTER 5 Select a Test Limit Navigate to the test limit field and press ENTER Using the navigation keys highlight the desired test limit and press ENTER 6 Select a Cable Type Navigate to the cable field and press ENTER Using the navigation keys highlight the desired cable type and press ENTER 7 Create a Circuit ID Navigate to the Circuit ID and press ENTER Refer to the section titled Circuit ID for more information e Select a Circuit ID Type Navigate to the Circuit ID Type and press ENTER Use the navigation keys to select the desired Circuit ID type and press ENTER e Select a Circuit ID Form Navigate to the Circuit ID Form and press ENTER Use the navigation keys to select the desired Circuit ID Form and press ENTER e To establish or change the start Circuit ID hi
16. switching between copper and fiber certification faster and more reliable than any other solution Dual media projects are created using the create project process to establish the first set of test parameters and then the edit project process to create test parameters for a second media type Copper projects require the following test parameters Media The media type selection twisted pair singlemode fiber or multimode fiber determines what test parameters are required and what adapter is expected Test Limit The test limit selection determines what tests to perform and how to evaluate the results The cable type selection determines what cable name and parameters to use for testing Circuit ID The circuit id generates a list of circuit id s that identify the cable test results Location The location selection determines where the project and results are stored either internally or externally The comment field allows the user to enter a comment about the project Fiber optic projects require the following test parameters Field Description Media The media type selection twisted pair singlemode fiber or multimode fiber determines what test parameters are required and what adapter is expected Test Limit The test limit selection determines what tests to perform and how to evaluate the results The cable type selection determines what cable name and parameters to use for testing Circuit ID The circuit id generates a list of circuit
17. the primary and secondary testers are connected Fail LED lights when a test fails Press to start the TALK function E DASS Pass LED lights when a test passes Press to decrease volume S Test LED lights during tests Press to increase volume f LED lights when the test set is powered on Low battery LED lights when approximately 90 of battery has been depleted Press to initiate tone function ER a a gt Connector for the ac adapter LED indicates that the SCT MMA or N SCT SMA Optical Adapter is attached ae Pica i pce ES LED indicates that battery charging status 18 Lakor E E Solid indicates charging Press to exit TALK and Tone operation N Si NS Sy ff N E BS ot J ea ye Figure 5 Link and Channel Adapter Physical Features 1 High Performance Shielded Category 6 RJ45 Jack 3 High Performance Shielded Category 6A RJ45 Test Cord 2 Patented connector less adapter interface Physical Configuration Figure 6 shows how to set the tilt stand and carry hanging strap Figure 6 Tilt Stand and Carry Hanging Strap Figure 7 Compact Flash and SD Card Support Co
18. B Certificatiom Ke 72 GETTING AQUAINTED OVERVIEW The Megger SCT cable testers are precision reliable instruments that perform all required certification testing diagnostic and result management functions for certifying twisted pair and fiber optic cabling installations e The SCT2000 certifies twisted pair to all ratified ISO and TIA standards including ISO Class F with a frequency range of 1 to 1000 MHz 1GHz exceeding ISO Class F by 400MHz and meeting proposed TIA Category 6a requirements The SCT2000 meets Level III and Level IV accuracy requirements The SCT1500 certifies twisted pair up to ISO Class E and TIA Category 6 with a frequency range of 1 to 350 MHz The SCT1500 meets Level II and Level IV accuracy requirements e An intuitive organized easy to operate tester All functions including testing test parameter management result management and option management are organized according to their function Additionally test parameters are organized by individual project practically eliminating the common problem of accidentally testing to the wrong standard or cable e Save test time by selecting or modifying the Circuit Identification number during a test e Optimize certification testing by displaying all certification test parameters conducting tests displaying results and saving either numeric or graphic results while remaining in a single menu eliminating the need to navigate multiple menus in order to certify
19. Battery packs installed 10 2 External power supply 4 2 Cat 6 Class E permanent link adapters 11 SCT User Manual Quick Start Guide 5 2 Cat 6 Class E channel adapters 12 SCT Users Manual CD 6 2 Headsets 13 LCMD Software CD 7 Carrying case with carry strap set Ze E Figure 1 SCT2000 Accessories SCT1500 Accessories 1 Primary SCT Structured Cabling Tester 8 32 MB MMC memory card 2 Secondary SCT Structured Cabling Tester 9 USB cable for PC communications 3 2 NiMH Battery packs installed 10 2 External power supply 4 2 Cat 6 Class E permanent link adapters 11 SCT User Manual Quick Start Guide 5 2 Cat 6 Class E channel adapters 12 SCT Users Manual CD 6 2 Headsets 13 LCMD Software CD 7 Carrying case with carry strap Figure 2 SCT1500 Accessories CONTACTING MEGGER Visit the Megger web site at www megger com Send email to USTechSupportGrp megger com For US time zone DoverTechnicalSupport megger com For UK time zone To order accessories or get the location of the nearest Megger distributor or service center call USA 1 800 723 2861 from USA 1 214 333 3201 from elsewhere Canada 1 800 297 9688 UK 44 0 1304 502102 Full set of Megger addresses see back of this manual UNIT FEATURES The following sections introduce the tester s basic features Physical Features Figure 4 describes t
20. DATE OF PURCHASE BY THE USER NOTE Any unauthorized prior repair or adjustment will automatically invalidate the Warranty CALIBRATION REPAIR AND SPARE PARTS For service requirements for Megger Instruments contact Megger Limited ot Megger After Sales Service amp Calibration Valley Forge Corporate Centre Goods Inwards B Attn Repairs Dept Channel View Road 2621 Van Buren Avenue Dover Kent CT17 9EN Norristown PA 19403 England U S A Tel 44 0 1304 502 243 Tel 800 723 2861 ext 8578 Toll Free Fax 44 0 1304 207 342 Tel 1 610 676 8500 Fax 1 610 676 8625 E VECustomerService megger com Megger operate fully traceable calibration and repair facilities ensuring your instrument continues to provide the high standard of performance and workmanship you expect Returning your product to Megger UK and USA service centres 1 When an instrument requires recalibration or in the event of a repair being necessary a Returns Authorisation RA number must first be obtained from one of the addresses shown You will be asked to provide the following information to enable the Service Department to prepare in advance for receipt of your instrument and to provide the best possible service to you e Model e g SCT1000 e Serial number e g 6111357 050305 1234 Reason for return e g calibration required or repair e Details of the fault if the instrument is to be repaired 2 Make a note of the RA number A ret
21. Measured Value Reporting Worst Case Margin 5 Pair s Measurement Limit Reporting Worst Case Margin 6 Pair s Worst Case Margin Value Negative values indicate a failure 7 Pair s Result Status 8 Pair s Frequency Point Reporting Worst Case Margin Not applicable for single point measurements Result Graphics Result graphic displays an individual measurement s graph 1 Using the navigation keys select the measurement of interest from the result detail menu and press ENTER Selecting either Primary or Secondary will display all results from that test device Selecting an individual pair will display the results from that pair The result graphic displays individual pair or all test device pairs measurement result performance in graphic format NEXT Primary AllPairs 50 8 100 6 150 5 200 3 250 1 1 Summary Result Status PASS all parameters within limits FAIL one or more parameters exceed limits Measurement Results Wire Ma Wire map displays the individual conductor connections from one end of the link to the other The test set will verify that the cable is wired correctly for the chosen cable type selected The wire map display is useful in identifying installation wiring errors If a witemap fault exists the test set will stop a test and display the failure All other measurements are dependent upon the link being wired correctly Note e If the selected cable type i
22. NTER 3 From the Locale menu select the desired Drop down Menu and press ENTER 4 From the desired Drop down Menu select the desired setting and press ENTER SYSTEM SETTINGS Primary Device Secondary Device Primary Adapter and Secondary Adapter system information is obtained in the System menu Secondary Device data is available only if the primary and secondary are connected through a link and a test has been made 1 Using the navigation keys select Options from the HOME display menu and press ENTER 2 From the Options display menu select System and press ENTER 3 From the System menu select the desired device and press ENTER DEVICE SETTINGS Volume settings are changed in the Device menu Using the navigation keys select Options from the HOME display menu and press ENTER Select Device and Media from the OPTIONS menu and press ENTER Select Volume from the Device menu and press ENTER Select the desired drop down box and press ENTER Select the desired setting and press ENTER e gee TIME AND DATE SETTINGS Time and Date settings are changed from the time and date menu Using the navigation keys select Options from the HOME display menu and press ENTER Select Time and Date from the OPTIONS menu and press ENTER Select the desired drop down box and press ENTER Select the desired setting a
23. PC to the test set while running a cable test Doing so may cause erroneous test results e Never operate portable transmitting devices during a cable test Doing so may cause erroneous test results Recharge the battery as soon as the low battery message appears CONTENTS EE 7 MDAC er 9 Kee SEENEN 11 F lls t of Megger E se back f this manual EG 11 Ee 12 le EE EENEG 16 TIN Go SAR E EE 18 POWERING THE TEST SET and eet e TE 18 Re bootine THE TESE SE RE 18 enger 18 OR Ss WN EE EE Tet fl RE 19 Proje Dee 19 Eege 23 KE KR RE 23 RESUS S e eine dice aeee ee eee E E E E EEEE EEE EEO EA A 24 EINK ADAPTERS scracoasestanantacccbecaacatcancebedarecstenerisancesnuhetarnatentenunenn nual EEEE EEEE P E EE E AAAA EEEE ESEESE 25 ee lu 25 PREPARING TO TEST TWISTED PAIR CABLING ooieoe eee s E EEEE OO EE EEEE 27 Est blishing a Twisted Patr EE 27 CERTIFYING TWISTED PAIR CABLING ase ca ATEEK EEEE EE EE EREATARA ENERET A S CEPOUN SEEEN CE EEE EE EESE EE 28 INDIVIDUAL TWISTED PAIR ERC a KE 30 PREPARING TO TEST FIBER OPTIC CABLING E 50 Unde rtstandine Fest KEREN 50 Establishing a Fiber Eeer 50 CERTIFYING FIBER OPTIC CABLING visiiissiiisiisssisissessseseseesssessseioroaees eese s tae noas sae OS O EIO OOE DN O OTA OAE EENES 53 AUTOTEST ee 53 INDIVIDUAL BIBER OPTIC CABLING NK 57 Eet ee ER E LE BETEN 57 FIBER OPTIC e ETA RTE RER E KEN 61 EEN 61 eene 61 Talk EE 63 TEE E ER EI EN OCT 64 WE TSO EE 64 SECONDARY TUN C TIONS E 65 CIRCUIT D EE 66 BKS HI E
24. Status Pair s distance Point Reporting Worst Case Margin Non Point Failures Cable In the example below all worst case disturbances lie approximately 12 6 feet from the secondary device although none exceed the allowable minimum calculated time domain Return Loss strength for a connection Corrective action should begin by further diagnostic investigation using the test device s diagnostic graphing capability to inspect the link TOD Return Loss Umt Aug 10 2004 1 Summary Diagnostic Result Status Informative all parameters within limits FAIL one or more parameters exceed limits 2 Diagnostic Measurement Type 3 Diagnostic Results from Primary and Secondary test devices 4 Pair s Calculated Diagnostic Value Reporting Worst Case Margin 5 Pair s Diagnostic Limit always equal to 100 6 Pair s Diagnostic Worst Case Margin Value Negative values indicate a failure 7 Pair s Diagnostic Result Status 8 Pair s distance Point Reporting Worst Case Margin Diagnostic Result Graphics The diagnostic result graph displays all disturbances and distances on single or multiple pairs In the example below a disturbance exists approximately 12 6 feet from the secondary test device yet does not exceed the diagnostic limit line Looking further the cable response before and after the first connection and continuing for approximately 65 feet is excessively high indicating either incorrect or damage
25. T DETAIL Result detail displays an individual measurement s detail 2 Using the navigation keys select the measurement of interest from the result summary menu and press ENTER The result detail display is formatted for easy viewing of individual measurement result performance displaying all measurement result information Measurement Results Loss Loss results always refer to the fiber connected to the primary unit s fiber optic adapter input and output connector at the end of a test Simplex fiber loss results non Bi Directional These loopback mode results are obtained at two wave lengths and measured in one direction on the one fiber 1 Loss results are obtained from the input fiber at the end of the test and labeled Primary Input Fiber e The direction of the measurement was from the output connector to the input connector and labeled as Input lt Output Simplex fiber loss results Bi Directional These loopback mode results are obtained at two wave lengths and measured in two directions on the one fiber 1 Both Loss results are obtained from the input fiber at the end of the test and labeled Primary Input Fiber e The direction of the first measurement was from the input connector to the output connector and labeled as Input gt Output This direction occurs because the fiber was swapped between the first and second test and the results always refer to the input and output connector at the end of a tes
26. air to pair coupling is at a minimum 3 disturbing pairs interacting with 1 victim pair PASS FAIL When the measured result lies within the test device s accuracy uncertainty range both domestic and international standards require that the result is marked with an asterisk A result marked with an asterisk is considered a marginal pass or fail Informative Measurements Informative measurements are not evaluated when determining if the results PASS or FAIL the selected standard There are two reasons that a measurement is marked informative The first reason for obtaining informative results is due to the SCT when certifying twisted pair making every measurement required by both domestic and international standards Therefore depending upon the chosen standard any non recognized measurement is marked informative The second reason for obtaining informative results is mandated by the standards Some standards state that if the Insertion Loss meets certain minimum criteria then some measurements need to be marked informative TWISTED PAIR DIAGNOSTIC RESULTS Diagnostics calculate the distances and strength of NEXT and Return Loss disturbances at both ends of the link Diagnostic TD NEXT and TD Return Loss results are displayed in summary form quickly identifying distance to the greatest disturbance detailed form showing each pait s diagnostic result for quickly identifying distance to component disturbances or graphical sh
27. apsed since the last reference m Anytime a different fiber optic is attached to the primary or secondary SCT Anytime the test mode is switched from loopback to secondary or secondary to loopback Anytime the test method is changed Secondary Mode Reference Using Test Method B If setting a Method B reference using the Megger provided duplex reference cords use both cords to eliminate removing one cord from the adapter and invalidation the reference If the fiber optic link uses non SC style connectors refer to Appendix B for establishing a reference using the modified test method B setup 6 Attach either the SCT MMA or SCT_SMA fiber optic adapters 7 Using the navigation keys select Autotest from the HOME menu and press ENTER 8 Select the desired project and press ENTER 9 Using the navigation keys select Set Reference from the HOME menu and press ENTER 10 Verify the fiber optic reference cords are attached per the displayed reference configuration 11 Press the TEST button If the fiber optic link is incorrect the SCT will display the Fiber Map to prompt a correction 12 When the reference measurement is complete the SCT will display the measured power and the option to set the reference patch cord lengths 13 Verify the measured power and set the patch cord lengths if desired then press ENTER 14 Verify the fiber optic reference cords will be attached per the displayed measurement configuratio
28. at any time 5 During the test the Circuit ID can be changed in order to save time If the Circuit ID is correct no action is needed 6 When finished the overall test result is displayed At this time you may e Change the Circuit ID e Save the result e View the result e View the diagnosed result e Run another Autotest e Exit the Autotest Menu Saving Results Results may be saved as certification results or the combination of certification and graphic results Saving certification results stores all of the necessary data for certification testing compliance and report generation in accordance with domestic and international standards Saving certification and graphic results stores all of the necessary data and every measured data point for certification testing compliance report generation and graph generation exceeding domestic and international standards 1 Navigate to the Save Result or the Save Result amp Graphic option and press the ENTER key Viewing Results Viewing results displays the certification results in summary detailed or graphic formats Refer to the chapter named Twisted Pair Certification Results for more details Refer to the section titled Twisted Pair Cabling Results for more details To view results 1 Navigate to the View Result option and press the ENTER key Diagnosing Results Diagnosing a result displays calculated Time Domain NEXT and Time Domain Return Loss and certificatio
29. at the test settings are correct Attach the correct adapters for the link type under test Attach the SCT Primary and Secondary devices to the ends of the link Press the TEST key the ESC key can be pressed to stop the test at any time When finished the individual test result is displayed At this time you may e View the result e View the diagnosed result e Run another Individual Test e Exit the Individual Test Menu aes eg Saving Results Individual test results cannot be saved Viewing Results Viewing results displays the certification results in summary detailed or graphic formats Refer to the section titled Twisted Pair Cabling Results for more details To view results 1 Navigate to the View Result option and press the ENTER key TWISTED PAIR CERTIFICATION RESULTS An SCT Autotest performs all required tests as defined by the selected standard If a test is not applicable to the selected test standard the test is marked informative and is not evaluated for certification Result Summary The result summary showing all measurements in summary format is displayed first when viewing results The result summary display is formatted for easy viewing of overall result performance displaying all certification result information including each measurement s worst case margin the pair it occurred on and which test set measured the value Result details are available by highlighting the gt TestLimit TIA
30. ccurate results while accommodating the non SC style connectors This alternate method requires the following additional equipment e 4 SC Adapters e 3 Duplex SC Fiber Optic Reference Cords 2 Duplex SC to non SC Fiber Optic Reference Cords Short Length The purpose of alternate test method B 1 is to accommodate non SC style connectors while producing Test Method B results Caution Establish a fiber optic reference only after the SCT Primary and Secondary units and the SCT MMA SMA fiber optic adapters have been on for five minutes Allow additional time for the adapter to reach ambient temperature if the adapters have been stored above or below ambient temperature Caution The reference measurement is invalidated if the reference patch cord is disconnected from the SCT_MMA SMA fiber optic adapter Disconnecting and re connecting a reference patch cord will alter the optical characteristics resulting in a different reference loss power Duplex SC SC style fiber Shon SO SE patch Duplex SC SC style fiber optic reference cord i optic reference cord CLL L i Hun enn EEL p CE CEL Thl LE emm III a _ ELE O P we Sane Caution Do not disconnect the reference cords from the output Hy
31. d cables Corrective action should continue by inspecting the patch cord and first portion of the link for incorrect or damaged cable 107 1 160 2 213 4 266 5 2 07 PM KE 5 Region of Excessive Cable Disturbance incorrect or poor quality cable 6 Point Disturbance first connection from Secondary test device 7 Limit Line equal to minimally compliant connection PREPARING TO TEST FIBER OPTIC CABLING UNDERSTANDING TEST METHODS Test method defines how the reference power measurement is performed Test methods are defined by the standards bodies The standards do not use consistent naming to define the same test methods In this manual the methods are referred to as Test Method A B and C Please refer to Appendix A for some common standard test method naming and defined method use Test Method A two reference cord measurement Setting a reference using test method A requires two reference patch cords and one adapter The measurement results include the loss of the cable plant and the loss of one connection 7 Test Method B one reference cord measurement Setting a reference using test method B requires one reference patch cords and no adapters The measurement results include the loss of the cable plant and the loss of two connections E Test Method C three reference cord measurement Setting a reference using test method C requires three reference patch cords and two adapters The measurement
32. dampened with water water and a mild soap Isopropyl alcohol IPA or ethyl alcohol solvent can also be used but these can damage the serial number label DO NOT use ketene aromatics or abrasive cleaners STORAGE If you are storing the test set or remote for an extended period of time charge the NiMH battery pack before storing The battery packs in the test set and remote are subject to discharge even when the units are turned off With time on the shelf the battery packs charge level may drop below safe conditions If this occurs the test sets will automatically sense the battery level and will internally disconnect the battery to avoid damage to the battery When removing the test set from storage it may be necessary to bring the test set up from ac power This will only occur if the battery pack has discharged to an unsafe level and has internally disconnected during storage ENVIRONMENTAL CONDITIONS Do not exceed the operating temperature limits of 0 C to 50 C 32 F to 122 F Do not store or operate the test set and remote where they will be exposed to direct sunlight high temperatures or high humidity for extended periods of time REPLACING THE NIMH BATTERY PACK Replace the NiMH battery pack when its life between full charges becomes noticeably shorter The battery is normally good for up to 1 000 charge discharge cycles D Figure 18 Removing the NiMH Battery Pack ACCESSORIES Product Accessori
33. display the limit line at 100 yet the strength of disturbance required to reach the limit line varies depending upon selected connection category 1 Using the navigation keys select the measurement of interest from the diagnostic result summary menu and press ENTER Point Failures Connections The diagnostic result detail display is formatted for easy fault finding and corrective action Each pait s worst case disturbance and the distance to the disturbance are displayed in plain English In the example below all worst case disturbances lie approximately 12 6 feet from the secondary device signifying a connection which is a single point of disturbance The disturbance in this case on pair 36 45 is equal to over 3 times the allowable NEXT for a connection Corrective action should begin by inspecting the far end of the link for a non compliant connection 12 6 feet from the test device TDONEXT Secondary AllPairs Pairs Value Limit Margin Result Dist Secon dary 1 Summary Diagnostic Result Status Informative all parameters within limits FAIL one or more parameters exceed limits 2 Diagnostic Measurement Type 3 Diagnostic Results from Primary and Secondary test devices Pair s Calculated Diagnostic Value Reporting Worst Case Margin Pair s Diagnostic Limit always equal to 100 Pair s Diagnostic Worst Case Margin Value Negative values indicate a failure Pair s Diagnostic Result
34. disposal provider regarding local restrictions on the disposal or recycling of NiMH batteries To obtain a replacement battery PN 6280 354 contact your local authorized Megger dealer Do not charge the battery pack if the ambient temperature is above 40 C A Wami ng Safety warning for earphone e To avoid the risk of fire burns or personal injury only the earphone supplied by the manufacturer PN 27920 056 shall be used with the SCT 1000 To obtain a replacement earphone PN 27920 056 contact your local authorized Megger dealer J N Wami ng Safety warning for compact flash e Memory cards shall not be inserted or removed from the instrument while it is connected to the network cable plant under test A Wami ng Safety warning for power supply Use only the ac adapter charger provided with the test set PN 6180 453 to charge the battery or power the test set J N Wami ng Safety warning for adapters Never connect the permanent link or channel adapters to any kind of outlet or socket without it being plugged into the SCT main instrument as metal parts are otherwise exposed Caution To avoid disrupting network operation and to ensure maximum accuracy of test results Never attempt to insert any connector other than an RJ45 connector into the RJ45 jack Inserting other connectors such as RJ11 telephone connectors can permanently damage the jack Never attempt to send data from a
35. e OR LCE 67 VAIN TANANCE AND SPECIFICATIONS EEN 68 Service Adj stMen ee 68 Ee 68 OTA SSSI A 68 LEE 68 Replacing the NIMH Battery E 68 PIC CES Eeer EERSTEN 69 REPAIRANDWARRENTY sorcis a R saan oan aa dea TE aA S T IES A On Ta Ee KEPE ONE ESKOP KESTE E EESE ESEE 70 Retumine Test S t toft E E 70 APPENDDCC ALTERNATE TEST METHOD B vccrscecevarscatgsssnesusynisensacesnscesensadstnaneuteeeumsienneacecesavecereveeeu E eO SESER Easit 71 FIGURES eege 9 Figure 2 Re 10 Fig re 3 Primary Unit e REN 12 Figure 4 Secondary Unit Physical ENG 13 tege 5S Linkand Channel Adapter Physical Fe tUf Soreorseeiossisiisiisirisriersirireiii EENEG 14 Fis re 6 Tilt Stand and Catiys Ee Map EE 14 Figure 7 Compact Plash and SD Card SUppOrt EE 15 Fig re EE 25 Fig re ELE EERSTEN 25 Figure l0 Setting a Copper EE 27 Figure 11 Secondary Mode Method B Reference Setting cesar aes seas naauaaceeiaanaaesseaccanedanscqnensuienpessuaeeeancaease essai 51 Figure 12 Loopback Mode Method Ee EE 52 Figure 13 Secondary Mode Method B Certification Testing icsscissseracesenssceneseundascessacsdcasds exeeusoaeeaneeeenveewereentioasvareasavensnoaasanencavannceswnseseedana 54 Figure 14 Loopback Mode Method B Reference EENS 56 Figure 5 Example of Secondary Light e 59 Figure t6 ee leet 60 Fig re 17 Visual ee 64 Figure e ere the NiMH Battery Ee ien 68 Figure 19 Alternate Method B Reference Setting eege EE doeecanyunceeesannesenneedeceaanaceGiiaa 71 Fig re 20 Alternate Method
36. e certifying the SCT will automatically select the next sequential Circuit ID after saving results the user may also select a different Circuit ID in the automatically generated sequence For example if the Start Circuit ID A1 001and the Stop Circuit ID B2 002 the SCT would generate the following A1 001 A1 002 A2 001 A2 002 B1 001 B1 002 B2 001 B2 002 Auto Increment Start Select this option if you want the SCT to automatically generate an incrementing Circuit ID list from a user entered starting Circuit ID This is useful if the network Circuit IDs increment in a semi uniform manor without a consistent start or stop number This option differs from the Auto Increment Start Stop in that the SCT will generate all possible combinations from the start given the number of digits the user enters While certifying the SCT will automatically select the next sequential Circuit ID after saving results the user may also select a different Circuit ID in the automatically generated sequence For example if the Start Circuit ID A1 the SCT would generate the following Al A2 A3 Z8 Z9 Another example if the Start Circuit ID 01 the SCT would generate the following 01 02 03 98 99 None Select this option if you want to manually generate the Circuit ID during each certification test This is useful if the network Circuit IDs have no set pattern While certifying the SCT will display the last Circuit ID the user may edit the Circuit ID a
37. e press the ESC key VISUAL FAULT FINDER The SCT MMA SMA fiber optic adapters include a visual fault finder VFL providing an easy to use troubleshooting tool The VFL creates a continuous or modulated light source powerful enough to escape from sharp bends and breaks in jacketed or bare fiber and poorly mated connectors used to locate trouble spots in jumper cables distribution frames splice strays patch panels cable splice points and for tracing fiber runs The presence of the VFL s red light indicates a trouble spot in the fiber optic link The VFL uses a universal connector that will accept SC ST or FC connecters with a 2 5 mm ferrule The VFL can be used with either multimode or singlemode fiber VFL OPERATION The VFL is enabled on SCT MMA or SCT_SMA fiber optic adapter by pressing the VFL enable button The VFL output operates independently from the SCT and can be enabled or disabled at any time The first press of the VFL enable button enables continuous VFL mode as indicated by a constant red VFL mode indication LED Pressing the VFL enable button a second time will enable modulated mode as indicated by a blinking red VFL mode indication LED Pressing the VFL enable button a third time will turn off the VFL function D Press the VFL enable button once for continuous mode Press again for modulated mode Press again to turn off Microbend or Broken Fibre Broken Fibre in Connector
38. easurement type Press the TEST key The ESC key can be pressed to stop the test at any time When finished the individual test result is displayed At this time you may View the result e Run another Individual Test e Exit the Individual Test Menu ee EE re Viewing Results Viewing results displays the certification results in summary detailed or graphic formats Refer to the chapter named Fiber Optic Certification Results for more details To view results 1 Navigate to the View Result option and press the ENTER key Light Source Mode The light source mode can be enabled on the primary device by selecting light source mode in the individual measurement menu or by pressing the light source enable button on the SCT MMA or SCT_SMA fiber optic adapter The light source mode can be enabled on the secondary by pressing the light source enable button on the SCT MMA or SCT_SMA fiber optic adapter The first press of the light source button on the adapter will turn on the multimode 850nm or singlemode 1310 nm wavelength as indicated by a RED light source mode LED Pressing the light source mode button a second time will turn on the multimode 1300 nm or singlemode 1550 nm wavelength as indicated by a GREEN light source mode LED Pressing the light source mode button a third time will turn off the light source mode and return the adapter to normal operation Simplex SC SC style fiber optic cord
39. ed outgoing signal power transmitted onto a pair that couples to an adjacent pair and is received at the opposite end of the link Measured FEXT improves as Insertion Loss increases due to length because FEXT is measured by transmitting on end of the link and receiving at the other end of the link This makes FEXT dependant upon link length which is undesirable so subtracting the measured Insertion Loss from FEXT creates a new length independent measurement type ACRE ACRE represents a measure of the coupled signal to noise ratio from one end of the link to the other High ACRE values indicate that the desired signal on the pair is much larger than the unwanted signal coupling from an adjacent pair Transmitted Signal Connector Crosstalk Received Signal due to FEXT ACRF Tene ab Peak Value Limit Margin Result Freq a Primary 12 36 144 64 1 10 2 Pass 1 12 45 eee 17i 56 Pass 226 1 12 78 47 1 28 6 135 Pass 59 7 36 12 76 8 64 1 12 6 Pass 1 36 45 29 6 16 6 13 0 Pass 237 3 36 78 260 5 16 0 D Pass EE 45 12 609 9 b4 1 5 7 Pass 45 36 34 3 20 1 14 1 Pass 155 9 e d Aug 10 2006 20 PM K Power Sum Attenuation to Crosstalk Ratio Far PSACRF PSACRF is an extension of pair to pair ACRE PSACRE calculates the power summation of individual pair ACRE effects from three disturbing pairs on to one victim pair Power Sum ACRE displays this calculation in decibels dB High PSACRE values indicate that summation of individual p
40. enu and press ENTER Individual Test Selections z Fiber Map The fiber map option displays a graphical representation of the fiber optic cable connected to the primary and secondary fiber optic adapter output and input connectors m Loss The loss option performs a certification loss measurement m Length The length option performs a certification length measurement m Power The power option performs a power measurement and reports back measured power in dBm and Watts m Light Source The light source option enables the dual wave length light source mode 7 Power Meter The power meter option enables the power meter mode capable of measuring optical power at 850 1300 1310 and 1550 nm wave lengths Test Limit and Cable Type The test limit and cable type are defined by the currently selected Project The test limit and cable type are changed by selecting a different project from the Autotest menu and returning to the Individual Test menu Circuit ID Individual tests cannot be saved so the Circuit ID has no effect on the test Individual Testing All necessary individual test information is displayed and all required individual testing tasks are available from the Individual Test menu to maximize productivity To begin testing Verify that the test settings are correct Attach the correct adapters for the link type under test Attach the SCT Primary device and Secondary device if needed to the ends of the link Select the m
41. es included with SCT 2 Cat 6 Class E permanent Link adapters 2 Cat 6 Class E channel adapters 2 Headset Carry Case with Carry Strap 32MB MMC Memory Card USB Cable for PC Communications Type A to B 2 NiMH Battery Pack 2 External Power supply Power Supply Mains Lead UK US EU SCT User Manual CD LCMD Software CD Optional accessories Part Numbers Single Mode Fiber Optic Adapter Pair Multi Mode Fiber Optic Adapter Pair Cat 7 Class F permanent Link adapter Cat 7 Class F channel adapter 32MB Compact Flash Card 62 5 125 um 2 meter duplex SC reference cord 9 125 um 2 meter duplex SC reference cord Order Code 6121 607 6121 608 27920 056 6420 144 20010 008 25970 041 6280 354 6180 453 25970 028 25970 002 6180 334 6172 909 6111 764 6111 765 6111 766 6121 609 6121 610 20010 007 90000 252 90000 253 REPAIR AND WARRENTY The instrument contains static sensitive devices and care must be taken in handling the printed circuit board If an instrument s protection has been impaired it should not be used but sent for repair by suitably trained and qualified personnel The protection is likely to be impaired if for example it shows visible damage fails to perform the intended measurements has been subjected to prolonged storage under unfavourable conditions or has been subjected to severe transport stresses NEW INSTRUMENTS ARE WARRANTED FOR ONE YEAR FROM THE
42. esults per Megabyte of memory Full vector results data storage allowing accurate result diagnosis on saved results e A color 1 4 VGA LCD display provides a rich easy to use graphical user interface speeding users through twisted pair and fiber optic cabling certification and diagnosis SCT2000 Measurement frequency range 1 MHz to 1000 MHz 1GHz Accuracy Exceeds Level HI amp Level IV proposed accuracy requirements Certification Capability exceeds Class F Class F certification approximately 29 seconds Category 6 test time approximately 22 seconds External Communications USB Serial External Memory Cards Secure Digital MultiMedia Compact Flash SCT1500 Measurement frequency range 1 MHz to 350 MHz Accuracy Exceeds Level HI amp Level IV proposed accuracy requirements Certification Capability up to and including Category 6 Class E Category 6 test time approximately 22 seconds External Communications USB Serial External Memory Cards Secure Digital MultiMedia Compact Flash UNPACKING The SCT Testers are packaged with the accessories listed below Inspect your purchase for these items and any possible damage due to shipping If anything is missing or damaged contact the place of purchase immediately SCT2000 Accessories 1 Primary SCT Structured Cabling Tester 8 32 MB MMC memory card 2 Secondary SCT Structured Cabling Tester 9 USB cable for PC communications 3 2 NiMH
43. ghlight the Start CID and press ENTER Use the editor to create the desired circuit ID e To establish or change the stop Circuit ID highlight the Stop CID and press ENTER Use the editor to create the desired circuit ID To preview Circuit ID list use the navigation keys and highlight the Preview Circuit ID hyperlink and press ENTER Press the BACK key to return To save the Circuit ID use the navigation keys to highlight the Save hyperlink and press ENTER 8 Select a Location Navigate to the location field and press ENTER Using the navigation keys highlight the desired storage location and press ENTER Page 2 Press the right arrow to move to page 2 9 Add a Comment Navigate to the Comment field and press ENTER Using the editor create a comment Create a Fiber Optic Project Folder Creating a fiber optic project spans three menu windows The process always begins on page one Press the right arrow to move to the next page and the left arrow to move to the previous page Page 1 1 Select Projects from the HOME menu using the navigation keys and press ENTER 2 Select Create Project and press ENTER 3 Create a Project Name Navigate to the project name field and press ENTER Using the editor create a new project name When complete navigate to the Save hyperlink and press ENTER 4 Select a Media type Navigate to the Media field and press ENTER Using the navigation ke
44. he tester s physical features Figure 5 describes the secondary unit s features Figure 6 describes the link and channel adapter features On off key Press and hold to turn off e K Pp A Press to check the screen contrast is set Starts the currently selected test The test starts when both the primary and secondary testers are connected Headset jack for talk mode Slot for removable Secure Digital Multi Media EES Card To eject the card push in then release card Press to switch display backlight on or off Connector for the ac adapter Press to select the highlighted item from a menu RS232 Serial Port reserved for future operations Press to exit current function without l USB port for uploading test reports to a PC saving changes Press to move back one menu saving any changed settings Link or Channel adapter Press for online help Slot for removable Compact Flash card Press to return to the Home menu 1 4 VGA color display with backlight Menu navigation Keys Figure 4 Secondary Unit Physical Features LED indicates that the test set is in Talk On off key en Starts the currently selected test on the Primary unit The test starts when both
45. id s that identify the cable test results Location The location selection determines where the project and results are stored either internally or externally Secondary Setup The secondary setup selection determines the mode of testing Secondary mode tests dual fiber using the primary and secondary units Loopback mode tests a single fiber using only the primary unit Bi Directional Fiber Selecting bi directional testing will measure and report loss on each fiber at two wavelengths in both directions When selected the user will be asked to swap fibers on both adapters Do not disconnect the reference cords from the adapters instead disconnect and swap the fibers under test at the first adapters number of adapters will use this number to calculate the loss budget number of splices will use this number to calculate the loss budget Refractive Index The refractive index selection of Default sets the refractive index to values provided by the cable manufacturer for the selected fiber optic cable A setting of User Defined allows the user to set the refractive index 850 nm 1310 nm The refractive index value of either the multimode 850 nm wave length or the singlemode 1310 nm ee ee 1310 nm 1550 nm The refractive index value of either the multimode 1300 nm wave length or the singlemode 1550 nm ee ee ee The comment field allows the user to enter a comment about the project Managing Project Folders Functions for view
46. ing editing creating and deleting projects are accessed at the Home menu by selecting Projects in the manage window Grouping all project functions and parameters into a single menu reduces user effort and increases test parameter reliability View a Project Folder The view process is used to view test parameters of an existing project 1 Select Projects from the HOME menu using the navigation keys and press ENTER 2 Select View Project and press ENTER 3 Navigate to the desired project and press ENTER 4 Select Media type to view the appropriate copper of fiber test parameters Edit a Project Folder The edit process is used to change test parameters of an existing project or add test parameters for a second media type such as fiber of twisted pair The edit process always begins on page one Press the right arrow to move to the next page and the left arrow to move to the previous page Select Projects from the HOME menu using the navigation keys and press ENTER Select Edit Project and press ENTER Navigate to the desired project and press ENTER Select Media type to display the desired copper or fiber test parameters Navigate to the desired test parameter field and press ENTER Change the field as required When complete navigate to and highlight the option to Save and press ENTER E Pies Create a Copper Project Folder Creating a copper project
47. ing that the adapter interface can withstand field use without failure In addition to withstanding field use the Connector Less interface is designed to be serviced by the user if desired The Connector Less interface is constructed with replaceable spring loaded push pins To remove the push pin grasp the push pin under the top using either your fingers or tweezers and gently pull To replace the push pin insert the push pin with your fingers and push gently After gently inserting the push pin it will require moderate pressure to fully seat When fully seated the top of the un compressed push pin will sit flush with the existing pins and be able to retract all the way into the plastic circular well Siemon TERA Category 7 permanent link adapters are suitable for certifying Class F twisted pair permanent links constructed with Siemon TERA jacks Siemon TERA Category 7 channel adapters are suitable for certifying Class F twisted pair channels terminated with Siemon TERA patch cords Category 6 permanent link adapters are suitable for certifying Category 6 5e 5 4 3 and Class E D and C LAN twisted pair permanent links Category 6 channel adapters are suitable for certifying Category 6 5e 5 4 3 and Class E D and C LAN twisted pair channels For information about Class F Category 7 and Block adapters contact Megger The permanent link adapter is constructed with a high performance shielded cord low profile Category 6
48. inle Aug 23 2006 1 11 PM Editor The SCT displays an edit menu when text entry is required All edit control is presented including e Character Selection Cursor Control Character Deletion create a New Project Aug 23 2006 GETTING STARTED POWERING THE TEST SET AND CHARGING BATTERIES The SCT is powered up by pressing the power button The SCT is powered down by pressing and holding the power button for 3 seconds The 3 second requirement prevents the SCT from accidentally being turned off To begin charging the battery connect the external power while the unit is powered down or press the on off key while the unit is powered and connected to external power The SCT charges the battery in approximately 6 hours When fully charged the SCT will operate for approximately 8 to 10 hours of typical copper cable certification use RE BOOTING THE TEST SET The SCT can be re booted if necessary For example it is necessary to re boot the test device after downloading updates To re boot the SCT Primary or Secondary hold the TEST and ESC buttons at the same time OPTION SETTINGS All non certification testing related options are located in the option menu These settings include LOCALE SETTINGS Measurement units are changed in the Locale menu 1 Using the navigation keys select Options from the HOME display menu and press ENTER 2 From the Options display menu select Locale and press E
49. isted pair reference only after the SCT Primary and Secondary units have reached an ambient temperature between 10 C and 37 C 50 F and 100 F Establishing a reference Attach either a Class E Category 6 or Class F permanent link adapter to the Primary SCT Attach the corresponding Class E Category 6 or Class F channel adapter to the Secondary SCT Connect the permanent link adapter directly to the channel adapter Using the navigation keys select Set Reference from the HOME menu and press ENTER Press the TEST button If additional cable is present the SCT will exit the set reference measurement and inform the user pha eS SOoODC CCC OOo KEE EE ECK coocoo Gi oOoo0oo0oo0oo0o Gi ooo00 2e ec 4 Copper Reference CERTIFYING TWISTED PAIR CABLING The process of certify twisted pair links requires that a reference between the SCT primary and secondary device has been established and the appropriate Project is selected Once this is done twisted pair cabling certification may begin Autotest Menu All certification testing tasks such as selecting a Project changing a Circuit ID starting an Autotest test result notification saving results viewing results and diagnosing results are managed from the Autotest menu simplifying testing 1 Using the navigation keys select Autotest from the Home menu and press ENTER Selecting a Project The SCT will default
50. le 1 Using the navigation keys select Cables from the HOME menu under the Manage window and press ENTER 2 Select Edit Cable and press ENTER 3 Using the navigation keys select user supplied cable and press RIGHT ARROW 4 Using the navigation keys select the cable media type press RIGHT ARROW 5 Using the navigation keys select the cable supplier name and press RIGHT ARROW 6 Using the navigation keys select the desired cable and press ENTER 7 Change the cable parameters then navigate to Save Cable and press ENTER Create Cable 1 Using the navigation keys select Cables from the HOME menu under the Manage window and press ENTER d Select Create Cable and press ENTER 3 Select a cable media type and press ENTER 4 Enter the cable parameters then navigate to Save Cable and press ENTER Delete Cable 1 sing the navigation keys select Cables from the HOME menu under the Manage window and press ENTER elect Delete Cables and press ENTER sing the navigation keys select user supplied cable and press RIGHT ARROW sing the navigation keys select the cable media type press RIGHT ARROW sing the navigation keys select the cable supplier name and press RIGHT ARROW sing the navigation keys select the desired cable and press ENTER ae e Un E W bd E E G TEST LIMITS SCT manages a standards library of pre defined test
51. limits for certification The user may view the library of selectable test limits but may not view the details of a test limit or modify the test limits Test limits contained in the library are selected from the Manage Project function Viewing Test Limit 1 Using the navigation keys select Test Limit from the HOME menu under the Manage window and press ENTER 2 Using the navigation keys select user Manufacturers and press RIGHT ARROW 3 Using the navigation keys select the tests limit media type press RIGHT ARROW 4 Using the navigation keys select the test limits supplier name and press RIGHT ARROW D Using the navigation keys open the desired standard body type then navigate to the desired test limit type and press RIGHT ARROW to see which test limits are available RESULTS Saved results are managed from the Manage Results function Managing Results View Result 1 Using the navigation keys select Result from the HOME menu under the Manage window and press ENTER Using the navigation keys select View Results from the Manage Results menu and press ENTER H Using the down and right arrows navigate through the results tree view until you reach the desired result and press ENTER 4 Refer to the section titled TWISTED PAIR CERTIFICATION RESULTS for more information about results View Results Project Circuit Id H DEFAULT CATE CHANNEL internal
52. ly and will not be evaluated Attenuation to Crosstalk Ratio ACR ACR displays the difference in decibels dB between a pair s Insertion Loss and a pairs NEXT ACR is a quantitative indicator of how much stronger the received attenuated signal is than the crosstalk at the receiving end of a link Disturbing Signal Received Data Signal Crosstalk ACK Connector Crosstalk OT Pairs Value Primary 12 36 Zei 12 45 41 2 12 78 She 36 45 eA 36 78 oF 45 78 2 3 Secondary 12 36 areal d Aug 10 2006 Limit 34 6 30 8 42 1 435 1 42 5 42 9 36 4 lt a gt Disturbing Pair Disturbed Pair Peak Margin Result 18 2 Inf 10 4 Int 10 1 Int g 4 Inf 12 9 Inf 11 6 Inf 20 6 Int 2 49 PM Crosstalk Transmitted Data Signal 47 5 2 1 26 1 23 9 eich L 24 5 4123 Power Sum Attenuation to Crosstalk Ratio PSACR PSACR is an extension of ACR PSACR calculates the ratio in decibels dB of the PSNEXT to the Insertion Loss PSACR is a quantitative indicator of how much stronger the received attenuated signal is than the combined crosstalk from all other pairs is at the receiving end of a link 3 disturbing pairs interacting with 1 victim pair Attenuation to Crosstalk Ratio Far ACRF ACRF is a calculation that displays the measured FEXT in decibels dB normalized with Insertion Loss ACRE is equal to FEXT dB Insertion Loss dB FEXT is the ratio of the measur
53. mpact flash cards are inserted into the compact flash card slot located on the top of the test set To remove the flash grab the top of the card and pull up Secure Digital and MultiMedia cards are inserted in the multi media card slot located on the side of the test set To remove the card push in then release the card MENU CONTROL The SCT user interface uses a HOME based menu system that is organized to ease operation The menu control system utilizes common PC controls in addition to the following controls Navigation Navigate the SCT menus by simply highlighting the desired task using the arrow keys and press the ENTER key In this example the SCT is prepared to go to the Autotest menu Manage Autotest Projects Individual Test Cables Set Reference Test Limit Results Aug 23 2006 1 10 PM Tree View The SCT displays a tree view for more complex selection processes The tree view is navigated by using the navigation keys e The right arrow key expands a node and moves control right e The left arrow key collapses a node and moves control left The up arrow key moves control up the tree view e The down arrow key moves control down the tree view The ENTER is used to select the element from the tree view View Test Limit Standard Test Limit fl Class E o Claes D Fl TIA EIA GC Category 6 TIA CATG Channel STIA CAT Per m Link J Category De T CATSE Channel EO OTIA ATOR Meren I
54. n and press ENTER Duplex SC SC style fiber optic reference cords AN Caution Do not disconnect the reference cords from the output connectors e jop Disconnecting the reference cords from the output connectors will invalidate the reference setting WU W Uu SCT PRIMARY SCT SECONDAR Figure 11 Secondary Mode Method B Reference Setting Loopback Mode Reference Using Test Method B Setting a Method B reference using the Megger provided duplex reference cord If the fiber optic link uses non SC style connectors refer to Appendix B for establishing a reference using the modified test method B setup Attach either the SCT MMA or SCT_SMA fiber optic adapter Using the navigation keys select Autotest from the HOME menu and press ENTER Select the desired project and press ENTER Using the navigation keys select Set Reference from the HOME menu and press ENTER Verify the fiber optic reference cord is attached per the displayed reference configuration Press the TEST button If the fiber optic link is incorrect the SCT will display the Fiber Map to prompt a correction When the reference measurement is complete the SCT will display the measured power and the option to set the reference patch cord lengths Verify the measured p
55. n results in summary detailed ot graphic formats Diagnosing results quickly locates the source of a twisted pair cabling disturbances which cause failures Refer to the section titled Twisted Pair Cabling Diagnosis for more details To diagnose results 1 Navigate to the View Diagnostic option and press the ENTER key INDIVIDUAL TWISTED PAIR CABLING TESTS The process of taking individual measurements requires that a reference between the SCT primary and secondary device has been established and the appropriate Project is selected from the Autotest Menu Once this is done individual twisted pair cabling tests may be conducted Individual Test Menu All individual testing tasks such as selecting a test and starting a test are managed from the Individual Test menu simplifying testing 1 Using the navigation keys select Individual Test from the Home menu and press ENTER Test Limit and Cable Type The test limit and cable type are defined by the currently selected Project The test limit and cable type are changed by selecting a different project from the Autotest menu and returning to the Individual Test menu Circuit ID Individual tests cannot be saved so the Circuit ID has no effect on the test Individual Testing All necessary individual test information is displayed and all required individual testing tasks are available from the Individual Test menu to maximize productivity To begin testing Verify th
56. nd press ENTER EE TEST MANAGEMENT Managing the test environment of the SCT is all organized under the HOME page using the Manage functions These functions allow the user to manage Projects Cables Test Limits and Stored Results PROJECT FOLDERS The Project Folder contains all certification testing parameters results and information about a specific test site A project folder is created by selecting the required certification testing parameters and then saving the selections in a project folder Saving the certification testing parameters in the project folder ensures that the selected test parameters are used at a project site When certifying you can select an existing Project Folder edit an existing Project Folder or create a new Project Folder for your certification needs If Project Folder parameters need to be changed then the changes are made using the Project Editor option in the Manage Project Folders menu If a new Project Folder is required it is created using the Create Project option also in the Manage Project Folders menu Dual Media Projects SCT software versions 2 00 and higher support dual media projects Dual media projects allow the user to store copper and fiber test parameters in a single project When a dual media project is selected the SCT automatically loads copper parameters if a channel or permanent link adapter is attached or fiber parameters if a fiber optic adapter is attached Dual mode projects make
57. necessary data for certification testing compliance and report generation in accordance with industry standards 2 Navigate to the Save Result option and press the ENTER key Viewing Results Viewing results displays the certification results in summary detailed or graphic formats Refer to the chapter named Fiber Optic Certification Results for more details To view results 2 Navigate to the View Result option and press the ENTER key Certifying Simplex Cable Using Test Method B All necessary certification test information is displayed and all required certification tasks are available from the Autotest menu to maximize productivity If the fiber optic link uses non SC style connectors refer to Appendix B for certifying using the modified test method B setup To begin certifying links 1 Verify that the Project settings are correct 2 Attach the correct adapters for the link type under test 3 Attach the SCT Primary and Secondary devices to the ends of the link 4 Press the TEST key The ESC key can be pressed to stop the test at any time 5 During the test the Circuit ID can be changed in order to save time If the Circuit ID is correct no action is needed 6 When finished the overall test result is displayed At this time you may Change the Circuit ID e Save the result View the result e Run another Autotest e Exit the Autotest Menu Duplex SC SC style fiber optic reference cord
58. nnectors refer to Appendix B for certifying using the modified test method B setup To begin certifying links 7 Verify that the Project settings are correct 8 Attach the correct adapters for the link type under test 9 Attach the SCT Primary and Secondary devices to the ends of the link 10 Press the TEST key The ESC key can be pressed to stop the test at any time 11 During the test the Circuit ID can be changed in order to save time If the Circuit ID is correct no action is needed 12 When finished the overall test result is displayed At this time you may e Change the Circuit ID e Save the result e View the result e Run another Autotest e Exit the Autotest Menu Duplex SC SC style fiber Duplex SC SC style fiber optic reference cord optic reference cord IW al uu rt DUHR mm VY GE SEE Fibre optic link or spool under test ii V AN Caution SCT PRIMARY d Do not disconnect the reference cords from the output connectors e jop Disconnecting the reference cords from the output connectors will invalidate the reference setting Figure 13 Secondary Mode Method B Certification Testing Saving Results Saving certification results stores all of the
59. nt will not be evaluated If the Insertion Loss is less than 4 0dB at all frequency points then NEXT will be marked for information only and will not be evaluated NEXT Pairs Primar d 12 36 12 45 12 78 36 45 36 78 45 78 Secondary 1236 4 Wargin VWalue 45 0 45 45 9 44 2 45 2 42 0 47 0 Aug 10 2006 Limit Said 45 1 EZE 40 5 30 4 ER 36 5 lt a gt Peak Margin Result 0 3 Pass aid Pass 5 5 Pass Ee Pass D Pass 4 Pass 10 8 Pass 2 48 DM 242 9 2 1 163 7 119 7 160 5 191 7 202 97 Power Sum Near End Crosstalk PSNEXT PSNEXT is an extension of pair to pair NEXT PSNEXT PSNEXT calculates the power summation of individual pair NEXT effects from three disturbing pairs on to one victim pair Power Sum NEXT displays this calculation in decibels dB High PSNEXT values indicate that summation of individual pair to pair coupling is at a minimum Use the tester s NEXT diagnostic capability to locate NEXT sources that sum to create PSNEXT 3 disturbing pairs interacting with 1 victim pair Note e ISO IEC 11801 2002 6 4 4 2 states PSNEXT values at frequencies where the Insertion Loss is below 4 0 dB are for information only Therefore if at any frequency point the Insertion Loss is less than 4 0dB the PSNEXT at that frequency point will not be evaluated If the Insertion Loss is less than 4 0dB at all frequency points then PSNEXT will be marked for information on
60. on keys highlight the desired storage location and press ENTER Page 2 Press the right arrow to move to page 2 11 Select Secondary Setup Mode Navigate to the secondary setup field and press ENTER Using the navigation keys highlight the desired mode and press ENTER 12 Select Bi directional Fiber Navigate to the bi directional fiber field and press ENTER Using the navigation keys highlight the desired mode and press ENTER Selecting bi directional testing will measure and report loss on each fiber at two wavelengths in both directions When selected the user will be asked to swap fibers on both adapters Do not disconnect the reference cords from the adapters instead disconnect and swap the fibers under test at the first adapters 13 Select Number of Adapters Navigate to the number of adapters field and press ENTER Using the navigation keys select the desired number and press ENTER Limits that depend upon the number of adapters will use this number to calculate the loss budget Selecting a test method will change the number of adapters Refer to Select Test Method below 14 Select Number of Splices Navigate to the number of splices field and press ENTER Using the navigation keys select the desired number and press ENTER z Limits that depend upon the number of splices will use this number to calculate the loss budget Selecting a test Method will change the number of adapters Refer to Select Te
61. otected against all continuous telco voltages 100 mA over current and ISDN over voltages Case High impact plastic with shock absorbing over mold Dimensions Main unit and smart remote including link interface adapter 11 x 5 x 3 28 cm x 12 7 cm x 7 6 cm Weight Primary unit 3 Ibs 4 oz 1 5 kg Secondary unit 3 lbs 1 oz 1 4 kg Power Rechargeable NiMH battery 7 2V 4000 mAH Typical battery life 10 hours with recharge time of 5 hours May be charged while in the instrument while off line Power Supply Charger Only the manufacturer supplied external power supply should be used This supply is rated at Inputs 100 240V 47 63Hz 0 7A Output 15V 1 6A max Languages Supported English Calibration Service center calibration period is 1 year MAINTANANCE AND SPECIFICATIONS Warning To avoid possible fire electric shock personal injury or damage to the test set e DO NOT let water get into the case e Use only specified replacement parts Remove all input signals before opening the case Use only Megger authorized service SERVICE ADJUSTMENTS The SCT contains no user serviceable parts Service or adjustment should only be made by Megger personnel to ensure that the safety features of the test set are not affected If you are experiencing difficulties with your test set contact Megger at www megger com CLEANING GUIDELINES To clean the surface of the SCT1000 and remote lightly wipe with a soft cloth
62. ous radiation exposure might result A Warning To prevent damage to the device and ensure result accuracy It is important that fiber optic patch cords fiber under test and adapters are clean prior to testing Always clean and inspect fiber connectors prior to testing Contamination can degrade optical performance cause misalignment or cause back reflections leading to poor results Contamination can also damage the device and cable under test Always cover the device s fiber optic connectors with the dust caps when not in use to reduce the possibility of contamination Do not use the device or accessories that appear damaged Inspect the device and accessories before use A wari ng Safety warning for battery pack To avoid the risk of fire burns or damage to your battery pack do not allow metal objects to touch the battery contacts Only the battery supplied by the manufacturer PN 6280 354 shall be used with the SCT Do not disassemble the battery pack There are no user serviceable parts inside Do not dispose of the battery pack in fire or water Handle a damaged or leaking battery with extreme care If you come in contact with the electrolyte wash the exposed area with soap and water If the electrolyte contacts the eye flush the eye with water for 15 minutes and seek medical attention Do not expose the battery pack to high storage temperatures above 55 C When discarding a battery pack contact your local waste
63. ower and set the patch cord lengths if desired then press ENTER Verify the fiber optic reference cords will be attached per the displayed measurement configuration and press ENTER SSS SS 90 Duplex SC SC style fiber optic reference cord Do not disconnect the reference cord from the output connector lt 0 P Disconnecting the reference cord from the output connector will invalidate the reference setting OR J OU SCT PRIMARY Figure 12 Loopback Mode Method B Reference Setting CERTIFYING FIBER OPTIC CABLING Certification requires that the appropriate project is selected and a reference is established prior to testing Caution The reference measurement is invalidated if the reference patch cord is disconnected from the SCT_MMA SMA fiber optic adapter Disconnecting and re connecting a reference patch cord will alter the optical characteristics resulting in a different reference loss power AUTOTEST MENU All certification testing tasks such as selecting a Project changing a Circuit ID starting an Autotest test result notification saving results and viewing results are managed from the Autotest menu simplifying testing 2 Using the navigation keys select Autotest from the Home menu and press ENTER Selecting a Project The SCT will default to the last used project and compare the project test parameters
64. owing all disturbances on all pairs for visual link diagnostic analysis The diagnostic display contains all of the certification results in addition to the diagnostic results Diagnostics are performed after completing an Autotest Cable Cat UTP wl D Return Loss x NEXT er A TO NEXT 36 45 A PSNEXT 36 ACR 36 78 PSACR 78 Y ACRF A PSACRF TestLimit TIA CATS Perm Link 5 l 323 7 3 4 200 0 8 a Sec Sec Sec Sec Sec Sec Ges SE 1 Autotest Result Status PASS all parameters within limits FAIL one or more parameters exceed limits 2 Test Limit 3 Cable Type 4 Diagnostic Return Loss TD Return Loss A FAIL i Informative see Informative results 5 Diagnostic NEXT TD NEXT X FAIL i Informative see Informative results 6 Pair Reporting Worst Case Margin 7 Worst Case Margin Value Negative values indicate a failure 8 Device Reporting Worst Case Margin Diagnostic Result Details Diagnostic result detail displays individual calculated diagnostic detail Diagnosis calculates the strength of all NEXT and Return Loss disturbances in the link and the distance to these disturbances In addition diagnosis calculates a limit line set to 100 The limit line is equal to the time domain disturbance strength of a minimally compliant RJ45 connection Diagnosis automatically adjusts the results depending upon which category of test is selected Therefore diagnosis will always
65. s UTP the shield presence is not evaluated for Pass Fail If the selected cable type is STP the shield is evaluated for Pass Fail Result Result Autotest Wiremap Wiremap t l Q mM ge gt em gd gt ge em TT ll A 14 oO ON Oh OW Ne ttt IL Won NA OW Ne ttt LI 1 2 3 6 4 D 7 8 S ttt Aug 10 2006 Aug 10 2006 Aug 10 2006 __ eee Correct Wiring Pair 1 2 Open at 54 Feet Pair 1 2 Shorted at 50 feet Autotest Autotest Autotest Oo ON Oh OW Ne WW oN UA OW Ne wn oN ot OW Ne UI o w ot OW Ne mn ON oh OW Ne ttt 1 2 3 6 4 5 7 8 S ttt tdi Lll TU LA Aug 10 2006 lap Aug 10 2006 Aug 10 2006 ap Pair 5 4 Crossed Pairs 3 6 and 5 4 Crossed Multiple Failures Resistance DC Loop Resistance displays the total loop resistance in ohms Q through both conductors in a link pair The measured resistance includes the combined resistance of all link components such as connectors fixed cable and patch cords Measured resistance is also dependent upon the condition of the contacts in each connector wire gauge in the cables and length of the link A link containing components with higher than normal resistance causes impedance mismatches that reflect signal energy possibly resulting in poor Return Loss performance Use the tester s Return Loss diagnostic capability to locate components causing impedance mismatches Note e Resistance is marked as informative
66. st Method below 15 Connector type is fixed to SC 16 Select Test Method Navigate to the test method field and press ENTER Using the navigation keys highlight the desired method and press ENTER z Selecting a test method informs the SCT what type of reference method is being used Selecting a test method will overwrite the current value for number of adapter s and set the following default values o Method A 1 adapter o Method B 2 adapters o Method C 0 adapters s If the default number of adapters is incorrect then edit the number of adapters after selecting the method Page 3 Press the right arrow to move to page 3 17 Select Refraction Index mode Navigate to the refraction index field and press ENTER Using the navigation keys highlight the desired mode and press ENTER Default sets the refractive index to values provided by the cable manufacturer for the selected fiber optic cable z User Defined allows the user to set the refractive index 18 850 1310 nm Navigate to the refraction index 850 1300 nm value field and press ENTER Using the editor set the refractive index when complete navigate to Done and press Enter navigation keys highlight the desired mode and press ENTER 19 1300 1550 nm Navigate to the refraction index 1300 1550 nm value field and press ENTER Using the editor set the refractive index when complete navigate to Done and press Enter 20 Add a
67. t e The direction of the second measurement was from the output connector to the input connector and labeled as Input lt Output Duplex fiber loss results non Bi Directional These secondary mode results are obtained at two wave lengths and measured in one direction on each fiber 1 Loss results obtained from the input fiber at the end of the test are labeled Primary Input Fiber e The direction of the primary input fiber measurement was from the secondary output connector to the primary input connector and labeled as Pri lt Sec 2 Loss results obtained from the output fiber at the end of the test are labeled Primary Output Fiber e The direction of the primary output fiber measurement was from the primary output connector to the secondary input connector and labeled as Pri gt Sec Duplex fiber loss results Bi Directional These secondary mode results are obtained at two wave lengths and measured in two directions on each fiber 1 Loss results obtained from the input fiber at the end of the test are labeled Primary Input Fiber The direction of the first primary input fiber measurement was from the primary output connector to the secondary input connector and labeled as Pri gt Sec This direction occurs because the fiber was swapped between the first and second test and the results always refer to the input and output connector at the end of a test e The direction of the second primary inp
68. t any time Circuit ID Form The SCT provides three forms of Circuit IDs as templates for generating a Circuit ID Selecting one of these forms preloads the template into the Circuit ID editor as an aid If the form is not suitable it can be deleted using the editor Horizontal Link f t lpp lp Building Backbone Cable fs1 fs2 n Campus Backbone Cable b1 f1 b2 f2 n Refer to TIA EIA 606 A for details regarding Link Identification Labeling TECHNICAL SPECIFICATIONS Cable Types Shielded and Unshielded Twisted Pair STP and UTP LAN Cabling TIA Category 6 5E 5 4 and 3 100 ISO IEC Class F E D and C 100Q Foil Screened Twisted Pair ScTP TIA Category 6 5E 5 4 and 3 100 ISO IEC Class F E D and C 100Q Test Standards TIA Category 5E per TIA EIA 568 A 1 TIA Category 6 per TIA Category 5E per TIA EIA 568 B 2 1 ISO Class F Cat 7 E D C per ISO IEC 11081 2002 Supported Tests Frequency Measurements NEXT Power Sum NEXT PSNEXT Equal Level Far End Crosstalk ELFEXT Power Sum ELFEXT PSELFEXT Insertion Loss Return Loss Impedance Attenuation to Crosstalk Ratio ACR Power Sum ACR PSACR Point Measurements Delay Delay Skew Length Wire Map DC Resistance Diagnostic Measurements Wiremap vs Length NEXT vs Length Return Loss vs Length Cable Tone Generator Provides a tone generator that can be detected by a handheld tone probe Display 4 VGA color display Input Protection Pr
69. te from one end of the fiber optic link under test to the other Simplex loopback mode propagation delay measures the total fiber optic link delay from the referenced primary output to the referenced primary input fiber optic connections e Duplex secondary mode propagation delay measures 2 of the total fiber optic link delay from the referenced primary output to the referenced secondary input fiber optic connections and the referenced secondary output to the referenced primary input fiber optic connections TALK MODE The talk mode allows the persons using the Primary and Secondary to talk to each other using the microphone headsets Talk mode over twister pair copper cable requires two good pairs Talk mode over fiber optic cable is not available Prior to using talk mode the Primary and Secondary SCT units must be connected to the opposite ends of the same copper or fiber link and the microphone headsets must be plugged into the SCT units Primary Talk Mode Press the TALK button on the Primary SCT The Talk menu will alert the user when a talk channel is open When the talk channel is established the user may begin speaking into the microphone To exit the talk mode press the ESC key Secondary Talk Mode Press the TALK button on the Secondary SCT The TALK LED will turn solid to alert the user when the talk channel is open When the talk channel is established the user may speak into the microphone To exit the talk mod
70. the twist rate of the pairs and possible cable construction employing different types of insulation materials on different pairs The calculated delay skew on the pair with the shortest delay will always be equal to 0 Low delay values indicate well matched short links Time 0 Time 127nS Time 157nS 1 lt _ lt _ lt __ _ _ lt lt Qi ox o gt gt e Bin is acre ied Da ee ee SS gt a E Weeer Le __ CCE Delay Skew 30nS DelaySkew 36 23 44 21 45 4 44 40 70 13 44 31 Sug 10 2006 2 45 PM T Insertion Loss Insertion loss displays the ratio in decibels dB of the measured signal amplitude loss from the transmitting end to the receiving end of the link Insertion loss is caused by link components such as cable and connectors impeding the signal and through signal loss caused by link components reflecting signal back Low Insertion Loss values indicate that most of the transmitted energy is making it to the end of the link Transmitted Signal Connector Loss lan Insertion Loss 12 Es 45 fo Pairs Value Primar 1 6 fe 1 5 1 6 Aug 10 2006 Wargin Limit Cable Loss n ak Peak 1 5 Pass 1 3 Pass 1 4 Pass 1 4 Pass 2 48 DM Margin Result 3 1 cree 2 9 3 1 Received Signal Return Loss Return Loss displays the ratio in decibels dB of the measured outgoing signal power to the reflected signal po
71. to the attached adapter If the adapter media type is not defined in the current project the SCT will request the selection of an appropriate project The SCT will only allow the selection of projects that match the adapter media type in order to eliminate test parameter errors 3 Using the navigation keys select Project from the Autotest menu and press ENTER 4 Using the navigation keys select the desired Project and press ENTER If a new project is required or the existing Project needs to be changed use the Manage Project feature described in the Project Folders section Changing a Circuit ID The SCT will default to the next available Circuit ID defined in the Project If another Circuit ID in the series is required then 3 Using the navigation keys select Circuit ID from the Autotest menu and press ENTER 4 Depending upon the Circuit ID type defined in the Project either use the navigation keys to select the desired Circuit ID from the list and press ENTER or edit the Circuit ID select the soft key Done and press ENTER If the Circuit ID series needs to be changed use the Manage Project feature described in the Project Folders section Certifying Duplex Cable Using Test Method B All necessary certification test information is displayed and all required certification tasks are available from the Autotest menu to maximize productivity If the fiber optic link uses non SC style co
72. to the last used Project Ifa different Project is required then 1 Using the navigation keys select Project from the Autotest menu and press ENTER 2 Using the navigation keys select the desired Project and press ENTER If a new project is required or the existing Project needs to be changed use the Manage Project feature described in the Project Folders section Changing a Circuit ID The SCT will default to the next available Circuit ID defined in the Project If another Circuit ID in the series is required then 1 Using the navigation keys select Circuit ID from the Autotest menu and press ENTER 2 Depending upon the Circuit ID type defined in the Project either use the navigation keys to select the desired Circuit ID from the list and press ENTER or edit the Circuit ID select the soft key Done and press ENTER If the Circuit ID series needs to be changed use the Manage Project feature described in the Project Folders section Certifying Links All necessary certification test information is displayed and all required certification tasks are available from the Autotest menu to maximize productivity To begin certifying links 1 Verify that the Project settings are correct 2 Attach the correct adapters for the link type under test 3 Attach the SCT Primary and Secondary devices to the ends of the link 4 Press the TEST key The ESC key can be pressed to stop the test
73. to the user e This product is intended only for connection to de energized cable plant in an indoor environment and where appropriate surge and transient protection has been fitted The network and user terminals may be raised to hazardous voltages if this unit is connected to energized systems e Do not use the test set if it operates abnormally Protection may be impaired Do not use the test set if it is damaged Inspect the test set before use In the event of instrument failure the charger supply should be removed and the instrument turned off Class 1 and Class 2 Laser Products Under no circumstances should a user look directly into optical connectors Some sources produce invisible radiation that can permanently damage your eyes Under no circumstances should a user view the device s optical connectors using magnification unless the device is detached from the SCT series tester Always cover the device s fiber optic output connector with the dust cap when not in use The output source is active when the device is powered Under no circumstances should a user look directly into the devices visual fault locator s output Long term exposure to the visual fault locator s output is potentially hazardous Under no circumstances should a user activate the visual fault locator without first connecting the visual fault locator to the link under test If this product is used in a manner not specified by the manufacturer hazard
74. urns label can be emailed or faxed to you if you wish 3 Pack the instrument carefully to prevent damage in transit 4 Ensure the returns label is attached or that the RA number is clearly marked on the outside of the package and on any correspondence before sending the instrument carriage paid to Megger 5 You may track the progress of your return on line by accessing the Service Support facilities at www megger com RETURNING TEST SET FOR REPAIR If returning a test set to the manufacturer for repair it should be sent freight pre paid to the appropriate address For international returns a copy of the Invoice and of the packing note should be sent simultaneously by airmail to expedite clearance though Customs A repair estimate showing freight return and other charges can be submitted to the sender if required before work on the test set commences APPENDIX C ALTERNATE TEST METHOD B Setting a fiber optic reference establishes the zero loss power and zero length distance for all future measurements Setting a reference also removes additional losses due to reference patch cords and adapters that should not be included in the measurement Therefore properly setting a reference is necessary for obtaining accurate results Alternate Test Method B When a fiber optic link under test uses the same non SC style connectors at each end of the link the reference measurement and certification measurement test method needs to be altered to ensure a
75. ut fiber measurement was from the secondary output connector to the primary input connector and labeled as Pri lt Sec 2 Loss results obtained from the output fiber at the end of the test are labeled Primary Output Fiber e The direction of the first primary output fiber measurement was from the secondary output connector to the primary input connector and labeled as Pri lt Sec e The direction of the second primary output fiber measurement was from the primary output connector to the secondary input connector and labeled as Pri gt Sec This direction occurs because the fiber was swapped between the first and second test and the results always refer to the input and output connector at the end of a test Length Length displays the calculated length of the fiber optic link under test e Simplex loopback mode length calculates the total fiber optic link delay from the referenced primary output to the referenced primary input fiber optic connections Duplex secondary mode length calculates 1 2 of the total fiber optic link delay from the referenced primary output to the referenced secondary input fiber optic connections and the referenced secondary output to the referenced primary input fiber optic connections Propagation Delay Propagation delay is an informative measurement and not used to evaluate link performance Propagation delay displays the time in nanoseconds nS required for the light to propaga
76. wer Signals are reflected by impedance variations in the link Impedance variations are most commonly due to changes in cable twist ratios distortion in the cable and connector impedance mismatch High return loss values occur when the link is not reflecting significant signal energy back indicating that the link s impedance match is good and the link s impedance is uniform Use the tester s Return Loss diagnostic capability to locate impedance mismatches Transmitted Signal Note 4 Cable Distortion Caused Signal Reflection E V Connection Caused Signal Reflection ISO IEC 11801 2002 6 4 2 states Return loss values at frequencies where the Insertion Loss is below 3 0 dB are for information only Therefore if at any frequency point the Insertion Loss is less than 3 0dB the Return Loss at that frequency point will not be evaluated If the Insertion Loss is less than 3 0dB at all frequency points then Return Loss will be marked for information only and will not be evaluated e ANSI TIA EIA 568 B 2 3 2002 states Due to accuracy considerations measured insertion loss values less than 3 dB shall not be marked with an asterisk and shall not be used for pass fail determination When the measuted insertion loss is less than 3 dB measured return loss shall not be used in determining a fail Therefore if at any frequency point the Insertion Loss is less than 3 0dB the Return Loss at that frequency point will not be
77. ys highlight either Multimode or Singlemode option and press ENTER 5 Select a Test Limit Navigate to the test limit field and press ENTER Using the navigation keys highlight the desired test limit and press ENTER 6 Select a Cable Type Navigate to the cable field and press ENTER Using the navigation keys highlight the desired cable type and press ENTER d Create a Circuit ID Navigate to the Circuit ID and press ENTER Refer to the section titled Circuit ID for more information Select a Circuit ID Type Navigate to the Circuit ID Type and press ENTER Use the navigation keys to select the desired Circuit ID type and press ENTER e Select a Circuit ID Form Navigate to the Circuit ID Form and press ENTER Use the navigation keys to select the desired Circuit ID Form and press ENTER e To establish or change the start Circuit ID highlight the Start CID and press ENTER Use the editor to create the desired circuit ID e To establish or change the stop Circuit ID highlight the Stop CID and press ENTER Use the editor to create the desired circuit ID e To preview Circuit ID list use the navigation keys and highlight the Preview Circuit ID hyperlink and press ENTER Press the BACK key to return To save the Circuit ID use the navigation keys to highlight the Save hyperlink and press ENTER 10 Select a Location Navigate to the location field and press ENTER Using the navigati

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