Working with Test Setups
Contents
1. Disk IITTER TESTS TEST RECALL HS IMEN contro ISERE Figure 3 21 Selecting a Pass Fail Test for Deleting After you select Delete status messages appear indicating the progress of the file deletion The file list updates after the file is deleted CTS850 SDH PDH Test Set User M anual 3 61 Working with Test Setups 3 62 CTS850 SDH PDH Test Set User M anual2. file of the test results when the test completes 12 Save the pass fail test to disk as follows Press Menu Select Menu Highlight Button Page Parameter Select Choice TEST SETUPS SAVE PASS FAIL Save to Disk Save File TESTS Running a Pass Fail Test To run a pass fail test 1 Insert the disk containing the pass fail test into the disk drive 2 Select the pass fail test to run as follows Press Menu Select Menu Highlight Button Page Parameter Select Choice TEST SETUPS RECALL none Disk PASS FAIL TESTS select disk file Recall name NOTE The Disk action displays only files with the extension TST Selecting Recall begins the recall of the pass fail test As the file recall begins the TEST BEGIN dialog box appears see Figure 3 20 The first line of text in the dialog box is the file name The second line of text is the test description The third line informs the user that the file was recalled successfully The CTS850 SDH PDH Test Set User M anual 3 57 Working with Test Setups fourth line states how to begin the test The fifth line is the operator start prompt Tek Measurements Stopped S STM 1F recer errunc STM 1E Test Name BER STM I TST Description A 15 MINUTE BER TEST The test has been recalled E Press the START STOP button to begin Prompt CHECKS FOR BER 10E 7 If you FXIT this dialog box the test will start the next time you press the START STOP butto
3. how the CTS850 is configured If you regularly set up the CTS850 in the same way you can save the instrument settings in an instrument setup Then you can recall the instrument setup whenever you want the CTS850 configured a certain way This capability saves you time and minimizes the chances of error when setting up the CTS850 for standard tasks CTS850 SDH PDH Test Set User M anual 3 41 Working with Test Setups NOTE Instrument setups saved to memory are retained when the instrument is turned off Instrument setups are retained in memory even if power is removed from the CT S850 Saving Instrument Setups To save an instrument setup 1 Set up the CTS850 as desired Set all instrument parameters as required 2 To save an instrument setup to disk it must have a name Enter a file name as follows Press Menu Select Menu Highlight Button Page Parameter Select Choice TEST SETUPS SAVE Name SETUP_XX INSTRUMENT SETUPS see Figure 3 15 EDIT NAME H If you wish to label the setup file as SET UP lt Number gt you can save time by selecting SETUP_XX Once you select SETUP_XX select EDIT NAME and edit XX to the desired number or letter Select DONE when you are finished editing the setup name The instrument setup name can be up to eight characters long H Select EDIT NAME to enter a name other than SETUP_XX Select DONE when you are finished editing the setup name The instrument setup name can be
4. NT SETUPS see Figure 3 16 0 Default Recall Setup Recall the default settings whenever you want to restore the CT S850 to a known state For a listing of the factory default settings go to the Specifications section in the A ppendix of this user manual CTS850 SDH PDH Test Set User M anual Working with Test Setups Deleting Instrument Setups from Disk You can delete instrument setups from disk using the Delete File action To delete an instrument setup from disk Press Menu Select Menu Highlight Button Page Parameter Select Choice TEST SETUPS RECALL none Disk INSTRUMENT SETUPS see Figure 3 16 select setup Delete File H Use the knob to select the file to delete see Figure 3 17 Tek Measurements Stopped G STM 1F amp STM 1E Memory Description Recall 0 DEFAULT FACTORY SETTINGS Setup 1 EMPLY 2 EMPTY 3 EMPTY Delete File 4 EMPTY 5 FMPTY E Disk Description SFTUP_O1 SETUP_O2 M SETUP_03 Smary 3 Disk SAVE JITTER TESTS TFSTS TEST RECA CONTROL SETUPS Figure 3 17 Selecting a Disk File for Deleting After you select Delete File status messages appear indicating the progress of the file deletion W hen the file has been deleted the file listing updates 3 46 CTS850 SDH PDH Test Set User M anual Working with Test Setups Pass Fail Tests A pass fail test is an easy way to run a test and get a simple response stating wheth
5. alog box appears see Figure 3 20 au Pp w Select EXIT to remove the dialog box Select SAVE PASS FAIL TESTS Edit the parameters of the pass fail test as necessary If you want to save the edited pass fail test under a different name change the Name of the test You do not have to change the name of the test file to save it to disk CTS850 SDH PDH Test Set User M anual Working with Test Setups 7 Save the pass fail test to disk as follows Press Menu Select Menu Highlight Button Page Parameter Select Choice TEST SETUPS SAVE PASS FAIL Save to Disk Save File TESTS H If you select Save File without changing the name of the file a Disk dialog box appears asking if you want to overwrite the existing file To overwrite the file select Overwrite If you do not want to overwrite the file select Cancel Deleting a Pass Fail Test from Disk Delete a pass fail test from disk as follows Press Menu Select Menu Highlight Button Page Parameter Select Choice TEST SETUPS RECALL select file name Delete File PASS FAIL TESTS H If necessary select Disk from the list of actions to display the names of the files on disk see Figure 3 21 3 60 CTS850 SDH PDH Test Set User M anual Working with Test Setups Tek Measurements Stopped STM 1F STM 1E EST SETURS EJ Disk Description Recall amp BER_STM1 A 15 MINUTE BER TEST Run Test DEMO_10S A 10 SECOND DEMO TEST Delete File 3
6. en to disk the CT S850 reads the disk directory and updates the file listing shown on the RECALL INSTRUMENT SETUPS page Recalling Instrument Setups To recall an instrument setup from memory Press Menu Select Menu Highlight Button Page Parameter Select Choice TEST SETUPS RECALL none Memory INSTRUMENT SETUPS see Figure 3 16 none Disk select setup Recall Setup H Use the knob to select the desired instrument setup H To recall setups from memory rather than disk select Memory to highlight the M emory listing see Figure 3 16 H To recall setups from disk rather than memory select Disk to highlight the Disk listing CTS850 SDH PDH Test Set User M anual Working with Test Setups Tek Measurements Stopped GS STM 1F STM 1E TEST SETUPS at Memory Description Recall MMDEFAULT FACTORY SETTINGS Setup 1 EMPIY e e 2 EMPTY 3 EMPTY Delete File 4 EMPTY 5 EMPTY E Disk Description no Memory Disk TEST ater CONTROL SETUPS HITTER TESTS Figure 3 16 The RECALL INSTRUMENT SETUPS Page The disk file listing displays up to six file names at a time If more than six files are on disk the file listing automatically scrolls when you turn the knob Recalling the Default Factory Setup To recall the default factory setup initialize the CTS850 Press Menu Select Menu Highlight Button Page Parameter Select Choice TEST SETUPS RECALL none Memory INSTRUME
7. er or not the CT S850 encountered the specified errors during the test When a pass fail test completes the CT S850 displays a message stating that either the test passed or failed Pass fail tests are set up in the TEST SETUPS menu on the SAVE PASS FAIL TESTS page see figure below A pass fail test consists of instrument setup information and the parameters described in Parameters of a Pass F ail Test Tek Measurements Stopped GS STM 1F STM 1E TEST SETUPS Set up the instrument as required Then fill out the parameters below and save your test to disk TEST_Xx NATIO anonanse Description Clear Operator Start Prompt n Test Duration occ Od Oh 15m Os None None None 2 None None None Fail If None None None None None None Operator End Prompt On Test Completion Do Nothing EDIT NAME EJ Save to Disk TEST ECL NST ELIMEN CONTROL ese RECALL SAWE JITTER PAES FA L IMSTRUMIER T y TESTS SETUPS TESTS Figure 3 18 The SAVE PASS FAIL TESTS Page Parameters of a Pass Fail Test A pass fail test has the following parameters some parameters are optional H Name The name of the test a mandatory parameter It can be up to eight characters long The name of the test also serves as the file name for the test when you save it to disk CTS850 SDH PDH Test Set User M anual 3 47 Working with Test Setups NOTE A pass fail test can only be saved on di
8. eshold is the level at which a test fails see Table 3 4 For example for the condition types A larm and Failure the threshold for any specific condition is Detected or N ot D etected CTS850 SDH PDH Test Set User M anual Working with Test Setups H Detected If the specified condition is detected the test fails H Not Detected If the specified condition is not detected the test fails CTS850 SDH PDH Test Set User M anual 3 49 Working with Test Setups Table 3 4 Fail If Conditions of a Pass Fail Test Condition Type Specific Condition Threshold Alarm SDHandor Any T Detected Not Detected PDH MS AIS Detected Not Detected MS RDI Detected Not Detected AU AIS Detected Not Detected HP RDI Detected Not Detected TU AIS Detected Not Detected LP RDI Detected Not Detected PDH RAI Detected Not Detected PDH AIS Detected Not Detected Failure Any Detected Not Detected LOS Loss of Signal Detected Not Detected LOF Loss of Frame Detected Not Detected OOF Out of Frame Detected Not Detected AU LOP Loss of AU Detected Not Detected Pointer TU LOP Loss of TU Detected Not Detected Pointer TU LOM Loss of TU Detected Not Detected Multiframe Pattern Sync Detected Not Detected 3 50 CTS850 SDH PDH Test Set U ser M anual Working with Test Setups Table 3 4 Fail If Conditions of a Pass Fail Test Cont Condition Type Specific Condi
9. heey aaa eee Working with Test Setups This section describes how to do the following tasks H Save and recall instrument setups H Create and run pass fail tests Instrument setups are files stored in memory or on disk that completely describe how the CT S850 is set up You can use this feature to ensure that every time a test is run using an instrument setup that the CT S850 is configured the same way thus ensuring consistent results The disk file is an ASCII format file that consists of SCPI commands The disk file can be edited with any ASCII file editor CTS850 SDH PDH Test Set Pass fail tests are tests that display a message indicating whether the completed test encountered any of the specified failure conditions Up to four failure conditions can be specified in a pass fail test Pass fail tests can be configured to save test results to disk or to print out the test results when the test completes Jitter tests are a set of standard compliance tests that measure the jitter in a signal or the response of a network to applied jitter These tests are defined by ITU Standards G 823 G 825 and G 783 For some tests the CT S850 generates jitter to stimulate a network element and simultaneously measures its response Results are displayed in numerical and graphical form You can set parameters to customize most jitter tests Saving and Recalling Instrument Setups Instrument setups are files stored in memory or on disk that define
10. ilable for Alarm or Failure condition types 9 Repeat steps 6 through 8 as necessary to specify additional Fail If conditions A maximum of four Fail If conditions can be specified CTS850 SDH PDH Test Set User M anual 3 55 Working with Test Setups 10 Enter an operator end prompt as follows Press Menu Select Menu Highlight Button Page Parameter Select Choice TEST SETUPS SAVE PASS FAIL Operator End Default TESTS Prompt Clear Preview EDIT TEXT H Select Default to enter the default prompt TEST HAS ENDED H Select Clear to remove any previously entered prompt text H Select Preview to see how the prompt text you have entered appears in the pass fail test dialog box Select Exit to remove the preview H Select EDIT TEXT to enter an operator end prompt up to 72 characters long The prompt appears on the display as three lines of 24 characters Select DONE when you are finished editing the prompt 11 Specify the action to be taken when the test completes as follows Press Menu Select Menu Highlight Button Page Parameter Select Choice TEST SETUPS SAVE PASS FAIL On Test Do Nothing TESTS Completion Print Summary Save to Disk H Select Do Nothing if you do not want any action taken at test completion 3 56 CTS850 SDH PDH Test Set User M anual Working with Test Setups H Select Print Summary to print the test results when the test completes H Select Save to Disk to create a disk
11. n control 3 RIEN SETUPS mw 7 Tee TEATS j Figure 3 20 The TEST BEGIN Dialog Box 3 To run the pass fail test immediately press START STOP The pass fail test will begin W hen the test is completed the CTS850 displays either TEST PASSED or TEST FAILED If you decide not to run the test select EXIT from the dialog box 4 Select EXIT to remove the dialog box after the test completes 5 Press RESULTS to see the detailed results of the test A test does not have to be run when itis recalled from disk A fter the TEST BEGIN dialog box appears you can exit the dialog box by selecting EXIT You can then select the SAVE PASS FAIL TESTS page and edit the parameters of the pass fail test CTS850 SDH PDH Test Set User M anual Working with Test Setups Changing an Existing Pass Fail Test Y ou do not have to create a pass fail test from the beginning every time You can recall an existing test edit the parameters of the test and then save it under a new name To change an existing pass fail test 1 Insert the disk containing the pass fail test into the disk drive 2 Select the pass fail test to edit as follows Press Menu Select Menu Highlight Button Page Parameter Select Choice TEST SETUPS RECALL none Disk PASS FAIL TESTS select disk file Recall name NOTE The Disk action displays only files with the extension TST As the file recall begins the TEST BEGIN di
12. other than TEST_XX for the pass fail test Select DONE when you are finished editing the test name H Select Clear to remove an existing name 3 52 CTS850 SDH PDH Test Set User M anual Working with Test Setups 3 Enter a description of the pass fail test as follows Press Menu Select Menu Highlight Button Page Parameter Select Choice TEST SETUPS SAVE PASS FAIL Description EDIT TEXT TESTS None Clear H Select EDIT TEXT to enter a description of the test up to 24 characters long Select DONE when you are finished editing the description H Select Noneif you do not want to use a description H Select Clear to remove an existing description 4 Enter an operator start prompt as follows Press Menu Select Menu Highlight Button Page Parameter Select Choice TEST SETUPS SAVE PASS FAIL Operator Start Default TESTS Prompt Clear Preview EDIT TEXT H Select Default to enter the default prompt TEST IS ABOUT TO START H Select Clear to remove any previously entered prompt text H Select Preview to see how the prompt text you have entered appears in the pass fail test dialog box Select EXIT to remove the preview CTS850 SDH PDH Test Set User M anual 3 53 Working with Test Setups H Select EDIT TEXT to enter an operator start prompt up to 72 characters long The prompt appears on the display as three lines of 24 characters Select DONE when you are finished editing the prompt 5 Set
13. sk It cannot be saved in memory H Description An optional 24 character field that describes the test H Operator Start Prompt An optional 72 character field that is displayed at the beginning of the test You can use the operator start prompt to provide instruction to the operator prior to the beginning of the test H Test Duration A required parameter that sets the length of the test H Fail If conditions The specific conditions that define whether a test has failed H Operator End Prompt An optional 72 character field that is displayed at the end of the test Y ou can use the operator end prompt to provide instruction to the operator after the test is completed H OnTest Completion A required parameter that defines the action to be taken when a test completes Fail If Conditions A Fail If condition is what determines if a test passes or fails There are three elements to a Fail If condition condition type specific condition and threshold see Table 3 4 The condition type describes the general condition that indicates a test has failed For each condition type except N one there is list of specific conditions and thresholds used to determine when a test fails N one indicates that no condition type has been assigned The specific condition describes the type of failure used to determine when a test fails The specific conditions that define a failure depend on the condition type see Table 3 4 The thr
14. the test duration as follows Press Menu Select Menu Highlight Button Page Parameter Select Choice TEST SETUPS SAVE PASS FAIL Test Duration 5 min TESTS 15 min 1 hour Continuous USER DEFINED H Select USER DEFINED to enter a time other than one of the preset choices The maximum duration is 99 days 23 hours 59 minutes 59 seconds 6 Highlight the first entry in the first column of the Fail If table see Figure 3 19 Select one of the preset choices to specify a condition type 3 54 CTS850 SDH PDH Test Set User M anual Working with Test Setups Tek Measurements Stopped G STM 1F amp STM 1E TEST SETUPS Set up the instrument as required Then fill out the parameters below and save your test to disk Alarm Ses ie oer Description Failure Operator Start Prompt Test DUration wee Od Oh 15m Os beep None Ratio x None None None Fail If None None None Error None None None Count Operator End Prompt On Test Completion more lof2 EJ Save to Disk HITTER TRSTS Figure 3 19 Entering Fail If Conditions 7 Highlight the first entry in the second column see Figure 3 19 If you wish to specify a specific condition select one of the preset choices 8 Highlight the first entry in the third column see Figure 3 19 Select one of the preset choices to set the threshold Select USER to specify a threshold other than one of the preset choices USER is not ava
15. tion Threshold Error Ratio Any gt 1 0e 9 RS Bl gt 1 0e 8 MS B2 gt 1 0e 7 Path B3 gt 1 0e 6 TU Path BIP gt 1 0e 5 LP REI 1 0e 4 Payload Bit 1 0e 3 2 Mb s CRC User Defined Error Count Any gt 0 RS Bl gt 10 MS B2 gt 100 Path B3 gt 1000 TU Path BIP User Defined LP REI Payload Bit 2 Mb s CRC Errored Seconds Any gt 0 RS Bl gt l MS B2 gt 10 Path B3 gt 60 TU Path BIP User Defined LP REI Payload Bit 2 Mb s CRC Pointer AU NDFs gt 0 AU Ptr J ustify gt l TU NDFs gt 10 TU Ptr J ustify gt 60 USER DEFINED J itter Hit Seconds gt 0 gt l gt 10 gt 60 USER DEFINED CTS850 SDH PDH Test Set U ser M anual Working with Test Setups Creating a Pass Fail Test To create a pass fail test 1 Set up the CTS850 as required to perform the desired test Set all transmit and receive parameters as necessary When the pass fail test is recalled the CT S850 is set up exactly as it was when the pass fail test was saved 2 Set the name of the pass fail test as follows Press Menu Select Menu Highlight Button Page Parameter Select Choice TEST SETUPS SAVE PASS FAIL Name TEST_XX TESTS see Figure 3 18 EDIT NAME Clear H If you wish to name the test file as TEST lt Number gt you can save time by selecting TEST_XX Once you select TEST_XX select EDIT NAME and edit X X to the desired number or letter Select DONE when you are finished editing the setup name H Select EDIT NAME to enter a name
16. up to eight characters long 3 42 CTS850 SDH PDH Test Set User M anual Working with Test Setups Tek Measurements Stopped S STM 1F STM 1E TEST SETUPS Set up the instrument as required Then fill out the parameters below and save to disk or memory SEIUP_XX NAMC a E D SCHIPCION deaan Clear a Save to MEMOTY ween EJ Save to DISK woe EDIT NAME RECALL PAES FA L ESTS TEST RECALL MS IMEI Ea PRE HITTER TESTS Figure 3 15 The SAVE INSTRUMENT SETUPS Page 3 Enter a description of the instrument setup as follows Press Menu Select Menu Highlight Button Page Parameter Select Choice Description EDIT TEXT H Select EDIT TEXT to edit the description of the instrument setup The description can be up to 24 characters long To remove an existing description select Clear or None 4 Save the instrument setup to memory as follows Press Menu Select Menu Highlight Button Page Parameter Select Choice Save to Memory Memory n CTS850 SDH PDH Test Set User M anual 3 43 Working with Test Setups 3 44 5 Save the instrument setup to disk as follows H Insert a disk to store the file on if one has not already been inserted Press Menu Select Menu Highlight Button Page Parameter Select Choice Save to Disk Save File The instrument setup is saved to disk with the name specified on the Name line Status messages indicate the progress of the file save Once the file is writt
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