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1. 2 29 Compliance Jitter AMalyZer nennen nennen erre 2 29 Compliance Jitter Generator ssssssssssssssssessseeeeeenene nennen nene nnne 2 31 Aimee 2 32 Jitter Transfer cccceceecccecceceeeeeeeeeeeeeeeeeeeeeeeecceacaeeeeeeeeeseceaaaeceeeeeseseccaaeseeeeesesecsaceeeeess 2 37 Remote Access SetU ps ariin pneter eir ten pi Era canedesnstentons cosets saaten cuted ctvetyenneacieoecineivenes 2 42 Select Server tee eie e ERE ERE EE XAR ARR RR E ERE EE RAN AERE a aAA aa REDE RARE FEIER AMAEERA AE 2 43 View O PU OI I 2 44 Display Notatiom EE 2 44 Page Title e ned 2 45 E AE 2 45 Display Conftouraton ene mmeennnnemrennn nennen nennen nennen 2 45 Navigation Mode ene eene en neni nennen innen rr en EEANN en nenrr nnns 2 45 VSCOM WIG e ATARATA 2 47 le Ra TEE 2 48 Multiple Windows 2 49 Results UE 2 50 Results File Management coca iiie com tr ge renean e oce deed 2 50 KEE aad 2 52 Slope M 2 53 ii OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Table of Contents Opening files on the local computer 2 53 Connecting to an OTS System 2 54 Viewing results Des
2. TIT 29988800008 060900 00000 Figure 2 12 Setup Summary menu OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Test Control Menu When Test Control is selected from the Navigation window the Test Control menu is displayed as shown in Figure 2 13 The Test Control menu allows the user to choose the type of test to run and the time the test will run system view Device Window Help e EAEN E Ija on onlorsgn gi z IR e m m E aurests v EP 2 A c Test Control OTS92R1 Jitter Analyzer 1 LED Display feeced Signal Monitor Test Control p Current Test State Complete Bi soper oo Time Os Q Los 0TS91R1 10 Gb s LOF Rx 1 Q SEF r Test Control O Fas Mode Continuous OTSSIR2 10 Gb s De t Description l OTSS2AI Jitter Analyzer 1 Edit Test Control Settings DTSS3RT 2 5 Gb s Receiver 1 Summary Measurements Analysis APS Meas Compliance Laser Jitter E A Test For Help press F1 Ree We s E Figure 2 13 Test Control Menu The Current Test section describes the state of the current test and the time of the current test on the selected card The Test Control section provides the current test mode and provides an edit box for the user to include a description of the cu
3. B 1 Emergency Startup DISK ceste eese ette EENS NAANA C 1 Module Replacemient eterni rtr aaaea aeea E Cea Ra caneed canteens CARERE IAE EE ER ERR RAE RUE D 1 Index OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com vi Table of Contents OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com General Safety Summary General Safety Summary How Review the following safety precautions to avoid injury and prevent damage to this product or any equipment connected to it To avoid potential hazards use this product only as specified Only qualified personnel should perform service procedures While using this product you may need to access other parts of the system Read the General Safety Summary in other system manuals for warnings and cautions related to operating the system to Avoid Fire or Personal Injury Use Proper Power Cord To avoid fire hazard use only the power cord specified for this product Use Proper Power Source Do not operate this product from a power source that applies more than the voltage specified Connect and Disconnect Properly Do not connect or disconnect test leads while they are connected to a voltage source Avoid Electric Overload To avoid electric shock or fire hazard do not app
4. eeeeeeessesessseseeeeeeeee ennt entren nennen 2 8 ee Ee 2 8 Loek Status s icto ete E 2 8 Signal Present deer Ee ARE ERE ee Rer ARR REED DARE EFL AREE ERR Red ERG 2 8 155 MEZ CLOCK OUT E 2 8 2 9 10 MIAZ 2 MLS EE 2 9 109 M S EE 2 9 User IGG ACE c M 2 11 Elements of the User Interface 5 cce ie tren tante een nuu nn nunnunum nnmnnn 2 12 lul qm 2 13 Laser Control Bar nee ee dese Cere Eege Edge e Ra dde aede caede dae 2 13 Test Control Bar D 2 13 Maim Status Baf p naaa ENEE 2 14 Hina 2 15 Module LED Panel iecore o e reete eh d neta pae e Rd de e E de RR dL E dd 2 15 LED Display Selection olei trenta Ehe ieget cie dae ebd cud eh aga nh crude epe t dae pae gd eph de dus bids 2 17 Navigation Window e 2 18 Setup MENU eee 2 18 Transmitter SetUP EE 2 19 Receiver Setup TEE 2 20 Setup SUMMARY enou epic tase deae e ieee tales 2 22 Irsenueldum S 2 23 Test Control S rmmary iis eer re menace nao n nde ace E RR RAL Y MALE RN REV e T RA 2 25 Measurements Merl tte EKOS 2 26 Measurements Real TIme siisii en t enne d hd ea Ra e and d e Ru I S adde 2 26 Measurements Cumulative repete ttn nba RR Rd a RR Ad 2 27 Measurements Hietonm nennen nnne nnn nennen nennen nnns 2 28 e uaVdtn dgme
5. SDH SONET OC 192 STM 64 to OC 3 STM 1 NE Figure 1 10 Typical OTS System Set up for In Service Jitter Monitoring 1 24 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Getting Started Jitter Tolerance Testing Jitter tolerance tests a network element s margins thus ensuring system compliance and reducing design costs The principal of the test is very simple at a specified jitter frequency and using sinusoidal modulation what jitter amplitude 1s required to cause the element to violate an error performance criteria In jitter tolerance testing jitter is added to the signal input and BER measurements are taken from the signal output The BER measurements taken at the output signal identify when the signal starts to degrade The point just before that degradation is the Jitter tolerance of the output signal or of the device under test Customarily a number of different jitter frequencies are tested to determine the complete characteristic of the device under test which is then compared to the standards Figure 1 11 demonstrates a typical OTS system set up for jitter tolerance testing DEVICE UNDER TEST DUT In Jitter Tolerance testing BER is measured on output signal from DUT In Jitter Transfer testing Narrow Band Jitter amplitude is measured on DUT Figure 1 11 Typical OTS System Set up for Jitter Tolerance Te
6. NOTE If the slot positioning rules are not followed the module functions will be invalid The transmitter and receiver functionality depends upon the absolute position and relative order of the module cards OTS92S1 Card The OTS92S1 Synchronization card can only be placed into the highest numbered slot available in the chassis In addition only one OTS92S1 card is allowed per chassis OTS9200 and OTS92S1 User Manual 1 7 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Getting Started Module Interconnection Before powering on the system install all interconnection cables DC blocks and splitters between the module cards For jitter there are three typical configurations each is described in the following sections complete with instructions and diagrams for cabling NOTE Depending upon the configuration of the module cards within the OTS system some of these connections may not need to be made If multiple cards are present within the system the 8 cables provided may be required in place of the 4 cables CAUTION Before moving previously installed cables loosen the connections on both ends of the cable If one end of a cable is moved and the other end is not loosened damage to the cable will occur 10Gb s Jitter Configuration The OTS9210 configuration supports only 10Gb s OC 192 Jitter testing The combination of the OTS9100 10Gb s SONET SDH modu
7. Some parameters are optional these appear in brackets SENSE STATUS LEDS lt NR1 gt The command description includes the meaning of the parameter and the effect of leaving it out Some parameters may accept data of more than one type the alternatives are shown separated by a vertical bar For example SYSTEM COMMUNICATE GPIB PRIMARY lt Enum gt lt NR1 gt means that the command can accept either a keyword from the given enum list or an integer numeric value OTS9200 and OTS92S1 User Manual 3 11 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Syntax Abbreviating Commands Queries and Parameters You can abbreviate most SCPI commands queries and parameters to an accepted short form This manual shows these short forms as a combination of upper and lower case letters The upper case letters tell you what the accepted short form should consist of as shown in Figure 3 2 you can create a short form by using only the upper case letters The accepted short form and long form are equivalent and request the same action of the instrument Long form of a SYSTem COMMunicate SERlal COM1A PROMpt command Minimum information needed for accepted short form Y Accepted short form SYST COMM SERI COM1A PROM of a command and parameter Figure 3 2 Example of abbreviating a command NOTE The numeric part of a command or query must al
8. 2 54 Selecting and arranging windows 2 55 Printing results data 2 55 Configuring ResultsViewer sssssssssssesee eee 2 55 Exporting test data to other programs nennen nnne nnns 2 55 Configuring the exported data 2 56 OTS System Event Printer Application ee eeeessieee esses esee sisse nnn nnn nhanh iint nan 2 57 Starting the Event Printer program cccccecccceccecceceeseeeeceeneececenseneesenseesecesneeeeeneneeaeeneniaee 2 57 LOG GUNG WE 2 57 NI uda c 2 57 Copy to Ree ee Le EE 2 57 Copy tO EE 2 58 Copy to Re ca tessec estes aiite eet ee eet eee ed e ust cea eb Lee dede 2 58 CIC AN sie 2 58 Selecting events to log i ied iei nee ite ee Een bd exe d ua redd pida 2 58 Muting Event Printer behavior with continuous events 2 59 Minimizing the Event Printer window ssssseeee nemen 2 59 Configuring a printer in Windows seen emen errem nnns 2 59 Reference edu EI De UE 3 1 IEEE 488 2 System Commands 1e ciiicze eie tinae ette rice ne Hebe Lina ne IR eR edic ES 3 1 Remote Control Setup and Format Commandes sss 3 2 Remote Control Port Settings sra aissi aaa a snae sete dna bd nnb od oai dada 3 2 Remote Control Lockout nene eene nennen nennen nennen nnne 3 3 System Configuration Ouerles nenne eene nnns 3 3 Save and Restore System Settings eese eese 3 3 System F
9. 888 88 SOURCE www artisantg com Optical connectors 1 9 Optics module card 1 19 27 28 Optional parameters 3 10 OTS modules 1 2 4 10 19 OTS Product Family 1 1 6 OTS9000 1 7 18 20 OTS9000 chassis 1 7 OTS9010 1 7 OTS9030 1 7 OTS9100 1 1 11 15 OTS91C3 1 2 11 12 16 19 20 OTS91LI 1 11 12 16 19 20 30 OTS91R2 1 11 15 16 19 OTS91T3 1 2 11 15 16 19 20 OTS9200 1 1 2 3 4 6 7 10 19 22 2 1 2 5 17 3 4 5 OTS9210 1 11 15 OTS9210 configuration 1 11 OTS9210 Jitter module 1 11 OTS9225 Jitter module 1 14 OTS92H1 Clock Recovery card 1 1 10 12 16 19 30 OTS92RI 1 1 10 12 16 19 23 30 2 2 OTS92S1 1 1 4 6 7 27 2 1 10 OTS92T1 1 1 10 12 14 19 22 24 2 5 OTS9300 Multi rate module 1 1 14 27 OTS9300 Multi rate SONET SDH module 1 1 OTS93R Ireceiver 1 14 28 OTS93T1 transmitter 1 14 27 28 29 Output jitter compliance 3 5 Output jitter test 1 27 2 31 32 P Page Title 2 36 Parameter types and formats 3 9 Peak to Peak 2 36 Phase 1 2 3 Phase modulation 1 3 Phase locked loops 1 2 PLL 2 2 5 Power On and Software Initialization 1 18 20 27 Power Requirements 1 9 Power splitter 1 11 12 16 30 Power splitter 1 6 Powering Up 1 20 Printing Results data 2 46 Q Query format 3 8 R Range switching 1 1 2 Real time 1 24 2 28 RECEIVED DATA IN 1 14 2 23 Receiver Configuration 1 19
10. A rtisan Artisan Technology Group is your source for quality Fra op new and certified used pre owned equipment FAST SHIPPING AND SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT DELIVERY Experienced engineers and technicians on staff Sell your excess underutilized and idle used equipment TENS OF THOUSANDS OF at our full service in house repair center We also offer credit for buy backs and trade ins IN STOCK ITEMS www artisantg com WeBuyEquipment EQUIPMENT DEMOS HUNDREDS OF InstraV ea REMOTE INSPECTION LOOKING FOR MORE INFORMATION MANUFACTURERS Remotely inspect equipment before purchasing with Visit us on the web at www artisantg com 7 for more our interactive website at www instraview com 7 information on price quotations drivers technical LEASING MONTHLY specifications manuals and documentation RENTALS ITAR CERTIFIED yop aed Contact us 888 88 SOURCE sales artisantg com www artisantg com User Manual Tektronix E OTS Optical Test System 10Gb s 155MHz Jitter module OTS92S1 Synchronization module 071 1133 01 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Copyright O Tektronix Inc 2002 All rights reserved Licensed software products are owned by Tektronix or its suppliers and are protected by United States copyright laws and international treaty provisions Tektronix products are covered by U S and foreign patents issued and
11. Ul Hz Hz Hz Hz 9953 28 3800 0 2 10 632 12 0M 80M 2488 32 900 0 3 10 2222 6 67 M 20M 622 08 450 0 3 10 1111 1 67 M 5M 155 52 450 0 3 10 289 433 k 1 3M Internal Transmitter Clock Frequency deviation OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Specifications Generation Amplitude Accuracy Peak to Peak jitter Amplitude error for structured data signal lt Q of setting X Ulp p where X is the fixed error and Q is the proportional error Rate Mb s Fixed Error X 9953 28 0 04 2488 32 0 02 622 08 0 01 155 52 0 01 Frequency Range Proportional Error Q 500 Hz 500 kHz 8 500 kHz 2 MHz 1296 2 MHz 80 MHz 15 Generation Frequency Accuracy The error of the generated jitter frequency fm is gi lt 196 for 10 MHz fi 60 MHZ ecien ia aai nnne sre ttes EAER CEDERA EAEAN TAEAE nnne nnns lt 5 for 60 MHz f Re E lt 6 TRANSMITTER OUTPUT SPECIFICATIONS Reference Clock Output FRO le 622 08 MHz PNOelle e 800 mVpp to 1000 mVpp Well TEE AC coupled 500 SMA A 4 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Specifications Signal Measurement Capabilities FOR DATA SIGNALS Type of Jitter Display Window Peak to peak jitter UI e Current every
12. 888 88 SOURCE www artisantg com Reference This chapter describes the remote commands that may be used to control the OTS system from an external controller The remote commands conform to IEEE 488 2 and SCPI conventions The OTS system accepts remote commands over GPIB RS 232 serial links or a network using Telnet protocol The Commands Overview section organizes the remote commands by function in a simple command tree format The Syntax section provides an overview of IEEE 488 2 command formats the SCPI conventions and the data formats used by the OTS system Readers familiar with these topics may find that it duplicates material they already know The Command Descriptions section provides detailed descriptions of the format and parameters of each OTS system OTS92S1 and OTS9200 remote command These commands are listed in alphabetical order and listed by page number in the Table of Contents NOTE The Commands Overview and the Command Description section compile all system level OTS92S1 and OTS9200 specific commands For all other command descriptions refer to the appropriate module user manual Commands Overview This section organizes the OTS remote commands by function in a simple command tree format Each main topic provides a brief description of the command set uses and then lists each command in that section For more detail on specific commands refer to the following section Command Descriptions which lists al
13. Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Configuring the exported data To configure the exported data click on Export and select Data Setup The Configure Data Report dialog box as shown in Figure 2 43 is now displayed To enable a selection click the box or radio button beside it The report written to the file or clipboard is configured accordingly Configure Data Report xj r Data to Include Test to Include IV Record Type Codes IV Section Headings Cancel v Test File Info V Column Headings M Cumulative Results Iv Row Headings v SONET Analysis v SDH Analysis r Field Separator IV History Data Comma C Tab m History Data Setup m Data to Include Time S ample Intervals with Zero Data v Elapsed Time fis Include Time of Day Omit 7 LOS m Data Start 7 LOF Beginning iv OOF 00 00 00 v TIM S v AIS L Data End v BDLL End P e C 00 00 00 IV FAS v REIL Pause Events Figure 2 43 Configure Data Report dialog box 2 56 OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface OTS System Event Printer Application This is an auxiliary application that runs on the OTS system to log receiver events defect
14. C ll eieiei DT 15 000 ft Storage Temperature 20 C to 60 C Humidity 5 to 80 relative humidity with a maximum wet bulb temperature of 28 C at or below 60 C Non condensing Storage Altitude EE 50 000 ft DIMENSIONS The dimensions of all module cards are Gu 233 35 mm x 160 mm 9 19 inches x 6 3 inches form factor with 4hp 20 32 mm 0 8 inches front panel WEIGHT OTS92T1 Jitter Generator Card 1 1 Ibs OTS92R1 Jitter Analyzer Card 1 1 Ibs OTS92H Clock Recovery Card npa E eere sae o Ep Ene etuer tdd 2 3 Ibs OTS9200 and OTS92S1 User Manual A 1 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Specifications POWER Jitter Generator card OTS92T1 T5V 1 50A 3 3V 2 40A 5 2V 4 25A 12V 0 03A 12V 0 20A Jitter Analyzer card OTS92R1 5V 2 00A 3 3V 2 40A 5 2V 3 50A 12V 0 03A 12V 0 20A Clock Recovery card OTS92H1 5V 1 00A 3 3V 0 50A 5 2V 2 50A 12V 0 75A A 2 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Jitter Generation Specifications Specifications CLOCK SOURCE Internally generated clock 155 52 MHz 4 6 ppm Backplane clock eerie nite eI dee nde uin tenens Requires Synchronization Module SIGNAL GENERATION Modulation Source Internal sinusoidal waveform Generation Range Rate f4 Mb s Ul
15. Module 1 When SETUP is selected from the Navigation window by clicking on the SETUP button icons for all loaded Transmit and Receive cards in addition to a summary menu are displayed The Setup menu provides separate configuration control over each transmitter and receiver card through these individual icons If a Jitter Rx icon is clicked the Receiver setup menu is displayed Ifa Jitter Tx icon is clicked the Transmitter setup menu is displayed Signal Rate Timing Source Jitter Signal Parameters and Transmit state controls can be set in this menu The jitter transmitter setup menu contains one screen that controls various aspect of the transmitter setup The receiver setup menu contains one screen Signal Rate Filter Bandwidth Signal Type Jitter Hit Threshold and Front Panel Output Settings can be set in this menu OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Transmitter Setup The signal menu of the Transmitter setup as shown in Figure 2 10 provides the controls for selecting the signal rate timing source and jitter signal parameters Each of the selections available is described in more detail in the following sections ll System View Device Window Help le gut S AlAs E la On ow Al Lasers 2 Ae Pp D Ela Tests Ja zl Setup OTS92T1 Jitter Generator 1 EH H n Signal
16. Table of Contents Table of Contents General Safety SUMIMANY EE vii Preface xi Getting Started OTS9200 Product Description i rennen SEENEN EEERSEEESEER EEN EEEERNEEEEEEENEENEEERSKEEEEEER NEEN SEA 1 1 OTS9200 Module Features and Capabilttes netere rtnnreestnrnnnnneerrnnrn nnne nt 1 2 OTS9281 Product Description 1r eterne hate ennt EE RE RA XAR RR NR R ERE REB A EENS DBERE RR ERAN 1 4 OTS92S1 Module Features and Capabilities sss 1 4 Applications 12 ees coe Ent epia ipai EES 1 4 ACCESS OMIOS iiss ca 1 5 el 1 5 jeu Im m 1 5 First ee IT ERE 1 6 OTS9200 and OTS92S1 Card Installation ssssssssssssseeee 1 6 Removing Module Cards sss enne nennen 1 7 Slot Positioning of Modules eee enne enne nennen nennen nnns 1 8 Module Interconnection eie nate enn th nna nnn rp egre n Eege d eR xn a eene A na En uda 1 9 Power On and Software Initialization sssssssssssssesseeenene eene nnn 1 14 Emergency Startup Disk qm 1 14 Shutdown and Power OH 1 14 OTS9200 Module Quick Check 10Gb s Jitter feet 1 15 Jitter Test Applications isicccccssieitesnntsncteisiisadennsdnetcinnsenntenstacenensninansasnsontennsdavensnadoatenaniansaeaauane 1 21 Jitter OUIPUL TESTING EE 1 21 Jitter Output Receive Only Testing in Manutacthutng 1 22 In service Jitter M
17. 1 26 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics This section describes OTS9200 and OTS92S1 puo um penal modules front panel indicators and connectors This section also reviews the basic functionality of Liu a the Microsoft Windows application software with E 9 status menu descriptions OTS9200 Front Panel Indicators and Connectors Figure 2 1 shows a complete view of the front panel for the OTS9200 module The OTS92S1 module is discussed after the OTS9200 front panel section For information on the OTS91T3 and OTS91C3 cards which support the OTS9200 10 Gb s jitter solution go to Appendix D The front panel is made up of three different cards e Jitter Generation e Jitter Analyzer e Clock Recovery The following sections describe each of these cards in more detail OC192 STM64 CLK REC JITTER Rx JITTER Tx Figure 2 1 OTS9200 Front Panel OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics Front Panel Indicators and Connectors OTS92R1 Receive Card The OTS92RI Receive card of the OTS9200 module provides all of the receiver functionality of the OTS9200 jitter SONET SDH DWDM test module Figure 2 2 shows the Receive card front panel Module OK The Module OK LED should be green while the instrument i
18. 28 MHz Amplitude X 3dBm typical efe Io selle EE AC coupled 500 SMA 10 Gb s Data In PN23 working through PN7 scrambler the maximum number of consecutive ones or zeroes is 30 Lupum 750mVpp typical CONMMOCIOR TERRORISTS AC coupled 500 SMA 2 5 GHz Jitter Clock In mice 2 48832 GHz ANIM cf E 750mVpp typical ele e TETTE EET AC coupled 500 SMA Edge Density Signal EDS The Edge Density Signal port interface has no application to the OTS9200 module 10 GHz Jitter Clock Out BC le EE 9953 28 MHz Nee 3dBm typical V ell e EE AC coupled 500 SMA OTS9200 and OTS92S1 User Manual A 7 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Specifications Certifications and Compliance EMC COMPLIANCE DIRECTIVE OTS9200 Jitter Test Module installed in the Optical Test System meets the requirements of Directive 89 336 EEC for Electromagnetic Compatibility for all modules NOTE If the module is installed into an OTS9010 chassis the chassis must be serial number B000225 or higher for EMC compatibility A 8 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Specifications OTS92S1 Synchronization modu
19. 622 MHz At 155 Mb s the valid clock rate is 155 MHz The query form returns the current setting Syntax SENSe lt slot gt JITTer RECOvered RATE SENSesslot JITTer RECOvered RATE lt Enum gt Parameters Description DISAble Disabled M155A 155 52MHz M622A 622 08MHz G2P5A 2 488 GHz SENSe JITTer TEST DESCription This command sets the description text that is written to the results file at the start of a test The text may be up to 127 characters long The query form returns the current setting Syntax SENSe lt slot gt JITTer TEST DESCription SENSesslot JITTer TEST DESCription String SENSe JITTer TEST MODE This command sets the way the OTS system runs a test The query form returns the current setting Syntax SENSesslot JITTer TEST MODE SENSesslot JITTer TEST MODE lt Enum gt Parameters Description CONTinuous The test runs continuously TIMEd The test runs for a preset amount of time REPEtitive The test runs for a preset time and then restarts 3 30 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SENSe JITTer TEST STATe This command controls the OTS system s execution of a test The query form returns the state of a currently executing test Syntax SENSe lt slot gt JITTer TEST STATe SENSesslot JITTer TEST STATe lt Enum gt Parameters
20. Defined Jitter Tolerance Mask 1 USER2TL User Defined Jitter Tolerance Mask 2 USER3TL User Defined Jitter Tolerance Mask 3 USER4TL User Defined Jitter Tolerance Mask 4 USER5TL User Defined Jitter Tolerance Mask 5 GR253TR GR 253 Jitter Transfer Mask G783A1P5TR G 783 Type A Jitter Transfer Mask 1 544 kbits s networks G783A2TR G 783 Type A Jitter Transfer Mask 2 048 kbits s networks G783BTR G 783 Type B Jitter Transfer Mask USER1TR User Defined Jitter Transfer Mask 1 USER2TR User Defined Jitter Transfer Mask 2 USER3TR User Defined Jitter Transfer Mask 3 USER4TR User Defined Jitter Transfer Mask 4 USER5TR User Defined Jitter Transfer Mask 5 3 34 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SOURce JITTer COMPliance MASK DESCription ASSociated This command and query are applicable only to jitter transfer masks The first command parameter specifies a mask use the keyword CURRENT to specify the mask currently selected The Set form of this command is applicable only to user defined masks and sets the description of the associated stimulus mask For all masks the query form returns the description text for the associated stimulus mask Syntax SOURce lt slot gt JITTer COMPliance MASK DESCription ASSociated lt Enum gt SOURCcesslot JITTer COMPliance MASK DESCription ASSociated lt
21. Description RUN Start a test PAUSe Pause the test in progress RESUme Resume the test in progress END Stop the test RESTart Stop the test and start a new test STARTING A test is starting status query only STOPPING A test is stopping status query only UNKNOWN UNDOC SENSe JITTer TEST TIME This command sets the time duration for a test The query form returns the currently programmed time Syntax SENSe lt slot gt JITTer TEST TIME SENSesslot JITTer TEST TIME lt NR1 gt SENSe JITTer TEST TIME ELA Psed This query returns the time since the start of the current test Syntax SENSe lt slot gt JITTer TEST TIME ELAPsed SOURceJITTer BUSY This query returns the busy status of the jitter generator module and should be used following the commands SOURce JITTer STATe SOURce JITTer SIGNal and SOURce JITTer RATE to verify that those operations have completed Syntax SOURce lt slot gt JITTer BUSY OTS9200 and OTS92S1 User Manual 3 31 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SOURce JITTer CLOCk SOURce This command selects the timing source for the signal generated by the OTS9200 transmitter The query SOURce JITTer BUSY should be used to determine when the operation has completed The query form returns the current setting Syntax SOURce lt slot gt JITTer CLOCk SOURce SOURCces
22. Enum gt lt String gt Parameters Description CURRent The currently selected Jitter Transfer or Jitter Tolerance Mask GR253TR GR 253 Jitter Transfer Mask G783A1P5TR G 783 Type A Jitter Transfer Mask 1 544 kbits s networks G783A2TR G 783 Type A Jitter Transfer Mask 2 048 kbits s networks G783BTR G 783 Type B Jitter Transfer Mask USER1TR User Defined Jitter Transfer Mask 1 USER2TR User Defined Jitter Transfer Mask 2 USER3TR User Defined Jitter Transfer Mask 3 USER4TR User Defined Jitter Transfer Mask 4 USERSTR User Defined Jitter Transfer Mask 5 OTS9200 and OTS92S1 User Manual 3 35 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SOURce JITTer COMPliance MASK EPOints The Set form of this command specifies the extra frequency points beyond the points automatically selected to make jitter transfer or jitter tolerance measurements The first command parameter specifies a mask use the keyword CURRENT to specify the mask currently selected The mask specifier is followed by a starting index and a number of points followed by the corresponding number of frequency values in NR3 format Those values are assigned to frequency points starting at the specified index the index value of the first point is 1 The total number of extra frequency points may be set or queried with SOURce JITTer COMPliance MASK EPOints COUNt The query
23. IDN OTS9200 and OTS92S1 User Manual 3 7 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Syntax Block Format IEEE 488 block format is a means of encoding arbitrary binary data including characters that aren t valid in text strings for transmission over a GPIB link The format is most easily explained with an example This is a block containing 16 bytes of data 2 16abcdeFGHIJkimnop where denotes the start of a block 2 is the number of digits that follow to represent the byte count in the block 16 is the number represented by two decimal digits of data bytes abcdeFGHlJklmnop is the 16 data bytes in this example The OTS system uses blocks in commands and queries for overhead data and section trace sequences the descriptions of these commands include the number of bytes expected or sent Hex Block Format The GPIB can transmit eight bit binary data without problems But the OTS system can also be controlled over RS 232 serial links and Telnet protocol over network links These may not be able to send eight bit data or ASCII control characters For this reason the OTS remote command system implements an alternative block format called hex block format in which each byte of binary data is sent as two hex digits using the characters 0 to 9 and A to F Blocks in hex format thus consist of twice many characters as the correspondin
24. Laser Gn Transmitter Setup Clock Source Internal Test Pattern PRBS 2 23 1 peer m OTS91T2 10 Gb s Tx 1 SONET 10 Gb s STS 3c dere Signal Source Internal Error Insertion Inactive Transmitter Setup Timing Source External Test Pattern PRBS 2 23 1 Inverted ITU 0 151 BS OTS91R2 10 Gb s Rx 1 SONET 10 Gb s STS 3c Synchronization Q Signal Present Test State Complete Receiver Setup Module 1 Test Pattern PRBS 2 23 1 Inverted TITU 0 1511 OTS92T1 Jitter Generator 1 155 Mb s oi LockStetus TransmitState On Pice pene 10 00 kHz Generator Setup OTS92T1 Jitter Amplitude 1 000 UI Ge OT592R1 Jitter Analyzer 1 2 488 Gb s Q Lock giter Bandwidth 5 kHz 20 MHz Wideband i Analyzer Setup i E dm Status Signal Type Data Jitter Hit Threshold 1 00 Ulpp Receiver 1 4 OTS93T1 2 5 Gb s Tx 1 SONET 2 5 Gb s STS 48c Signal Source Internal Error Insertion Inactive B es Turn Laser On E Clock Source Internal Test Patten PRBS 2 23 1 Inverted ITU 0 151 MERE O1S93R1 2 5 Gb s Rx 1 SONET 2 5 Gb s STS 48c SESCH Signal Present Threshold Offset 0 Test State Complete Signal Monitor Test Pattern PRBS 2 23 1 Inverted ITU 0 151 Test Control OTS9281 Synchronization Module 1 Measurement 9o Uses Status Timing Reference Internal Sync Setup Analysis Signal Present Frequency Offset 0 000 ppm APS Meas Compliance Laser E Jitter Error Test For Help press F1 aa ae Off
25. Li Line Rate 9 953 Gb s Test Standard sj Save Results GR 253 Equipment Category Il Start Test an Meas Measurement Time s Filter 5 Dues Filter Threshold Ul Measured Ul State OTSS2R1 Jitter 50 KHz to 80 MHz Wideband Pk Pk 0 100 Analyzer 1 ipd 50 KHz to 80 MHz Wideband RMS 0 0100 LE OTS9271 Jitter Generator 1 Figure 2 19 Jitter Analyzer Compliance Menu OTS9200 User Manual 2 29 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Set Output Jitter Test Parameters window The Set Output Jitter Test Parameters dialog box shown in Figure 2 20 controls the test parameters Set Output Jitter Test Parameters x refined Standard Meas Time s Filter 60 Threshold LII 18 Lm a5 is mra Jh Enable 10 KHz to 80 MHz Wideband Pk Pk IV Enable 20 KHz to 80 MHz Wideband Pk Pk 1 500 I Enable 50 KHz to 80 MHz Wideband Pk Pk 15 000 IV Enable 50 KHz to 80 MHz Wideband RMS 0 0100 v Enable 4 MHz to 80 MHz Highband Pk Pk 0 150 Cancel Figure 2 20 Set Jitter Output Parameters Dialog box To select the compliance test standard for the jitter test select the standard from the pull down menu In addition to the predefined standards for compliance testing a User Defined 10Gb s selection 1s available When this option is selected from the Te
26. MS RDI The RDI indicator activates when bits 6 7 and 8 of the K2 byte have been a binary 110 respectively for five or more consecutive frames MS REI REI L The REI indicator activates when a non zero value in the M1 byte is detected AIS P AU AIS The Path AIS indicator activates when the pointer is set to hex 3FF for five consecutive frames LOP P AU LOP The LOP Loss of Pointer indicator is activated when a Loss of Pointer condition has occurred A LOP condition exists when ten consecutive pointer errors are received B3 The B3 indicator activates when Path parity errors have been detected RDI P HP RDI The RDI indicator activates when bits 5 6 and 7 of the K3 byte have been a binary 1xx respectively REI P HP REI The Path REI indicator activates when bits 1 4 of G1 are decimal values between one and eight TIM P HP TIM The TIM indicator activates when a J1 trace is received that does not match the expected trace The trace setup is explained later in this section UNEQ P HP UNEQ The unequipped path indicator activates when C2 equals zero PLM P HP PLM The Path Label Mismatch occurs when the received C2 does not match the expected C2 LSS The Loss of Sequence indicator activates if BER is greater than or equal to 0 20 during an interval of one second or if the test sequence and reference sequence are out of phase Bit Error TSE The Test Sequence Error indi
27. OUT e 10 GHz CLOCK IN 5o OPTICAL IN 185Mb s 2 lobis Optical 2 5Gb s gt 622Mbis 155Mb s IN e Optical 2 5Gb s 622Mb s 155Mb s OUT 50 ohm Terminator Caps 155 2 66G 155 2 66G Rx Tx JITTER Rx JITTER Tx Figure 1 2 Interconnection diagram for OTS Multi rate Jitter Testing 1 10 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Getting Started 10Gb s Jitter with Receive Only Configuration The OTS921P configuration just supports Receive only 10Gb s OC 192 Jitter testing The combination of the OTS9100 10Gb s SONET SDH module with the OTS921P Jitter module provides a solution developed to support testing of receive only jitter at a 10Gb s signal rate To connect the OTS9100 and OTS9210 modules for 10Gb s Receive only jitter testing the following interconnections must be installed as shown in Figure 1 3 1 Install a DC signal block to Rx DATA IN on the OTS91R2 card Install a DC signal block to Tx DATA OUT on the OTS91T3 card Install a power splitter to Rx DATA OUT on the OTS91L card Install a coax cable between 10GHz CLOCK IN on the OTS91T3 card and 10GHz CLOCK OUT on the OTS91C3 card 5 Install a coax cable between Rx CLOCK OUT on the OTS91R2 card and Rx CLOCK IN on the OTS91C3 card 6 Install a coax cable between the DC block on the OTS91T3 card and Tx DATA IN on the OTS91L1 card 7 Install a coax
28. PRIMary SYSTem COMMunicate GPIB PRIMary lt Enum gt lt NR1 gt Parameters Description NONE The GPIB port is disabled SYSTem COMMunicate GPIB SECOndary This command sets the secondary address for the GPIB port A value of NONE disables secondary addressing The query form returns the current setting Syntax SYSTem COMMunicate GPIB SECOndary SYSTem COMMunicate GPIB SECOndary lt Enum gt lt NR1 gt Parameters Description NONE Secondary GPIB addressing is disabled SYSTem COMMunicate NETWork ECHO This command sets the initial value of the echo control variable for new network connections This setting has no effect on connections already established see SYSTEM COMMUNICATE PORT ECHO The query form returns the current setting Syntax SYSTem COMMunicate NETWork ECHO SYSTem COMMunicate NETWork ECHO lt NR1 gt Bitvalue Function 0 Disables echo 1 Enables echo 2 Causes the input terminator character to be echoed as CR LF 4 Enables input line buffering received characters are not processed until the terminating CR or LF 3 52 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SYSTem COMMunicate NETWork IPPORT This command sets the IP port address on which the system listens for new connections Changing the setting has no effect on connections already established The q
29. The Front Panel Output settings section enables the user to select the Demodulated Output Range and Recovered Clock settings These selections are made via the pull down menus The Demodulated Output Range pull down menu includes o lUIpp o 4UIpp o 16Ulpp o 64Ulpp o 256 Ulpp o 1024 Ulpp o 4096 UIpp The Recovered Clock pull down menu includes o 622 MHz o 2 488 GHz o Disable OTS9200 User Manual 2 21 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Setup Summary 2 22 The Setup Summary menu as shown in Figure 2 12 provides a summary of the setup conditions for each Transmitter and Receiver individually Clicking on the Turn Laser OFF buttons will turn each associated laser off Clicking on the Setup buttons will display the associated Setup menu for the specific card number chosen Clicking on the Transmitter Setup buttons will display the last edited menu tab of the Transmitter Setup menu for the specific Transmitter number chosen System View Device Window Help E E BA Ay on oul Lasers x ar gt m m E All Tests D I Edad Setup Summary R z LED Display Sete P OTS81R1 10 Gb s Rx 1 SONET Q Signal Present Threshold Offset Dm Test State Complete 0759172 10 Gb s Tx 1 OTS81T1 10 Gb s Tx 1 SONET 10 Gb s STS 3c Signal Source Internal Error Insertion Inactive ae Turn
30. ai 1 544 Mb s 50 ppm COMM CE TEE AC coupled 1000 Balanced Bantam 2 5 10 MHz 2 Mb s Reference Clock Input externally synchronized xr user selectable see table V elle TEE AC coupled SMA Frequency Impedance 2 048 Mb s 50 ppm 75Q 2 048 MHz 50 ppm 500 5 0 MHz 50 ppm sine 0 25 5 0 Vpp 500 10 0 MHz 50 ppm sine 0 25 5 0 Vpp 500 INTERNAL CLOCK SOURCES Internal Clock Source Freguencn ssseesseesrnensteestttnttnsttesttttt ttnn aent tt tA EAAn EESE EAEAES AE eEEE Ennn Esaeren Ennn Eneee 155 52 MHz 4 6 ppm Recovered Clock Source Frequenoy iine oit eite ene ele Derrived from any OTS receiver limited to 50ppm OuTPUTS Reference Clock Output Mice 155 52 MHz Pee 500 mVpp to 1000 mVpp Connector KEE AC coupled 500 SMA CERTIFICATIONS AND COMPLIANCE EMC Compliance Directive OTS92S1 Synchronization Test Module installed in the Optical Test System meets the requirements of Directive 89 336 EEC for Electromagnetic Compatibility for all modules NOTE If the module is installed into an OTS9010 chassis the chassis must be serial number B000225 or higher for EMC compatibility A 10 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com List of Acronyms AIS L Line Alarm Indication Signal AMI Alternate Mark Inversion ANSI A
31. clock reference is 2MHz M2Bits External clock reference is 2M Bits second M5A External clock reference is 5 MHz M10A External clock reference is 10 MHz OTS9200 and OTS92S1 User Manual 3 49 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SSYNC CLOCK REFErence SLOT This command selects the slot from which the Sync Module receives its recovered clock source reference The query form returns the current setting Syntax SYNC lt slot gt CLOCk REFErence SLOT SYNC sslot CLOCk REFErence SLOT lt NR1 gt SYNC CLOCK STATus LOCK BITS This query returns the lock status of the BITS SETS signal Syntax SYNC lt slot gt CLOCk STATus LOCK BITS Parameters Description OFF Signal not selected LOCKed Signal is locked UNLOcked Signal is not locked SYNC CLOCK STATus LOCK M 55PII This query returns the lock status of the 155 52 MHz phase locked loop Syntax SYNC lt slot gt CLOCk STATus LOCK M155PIl Parameters Description LOCKed Signal is locked UNLOcked Signal is not locked SYNC CLOCK STATus SIGNal BITS This query returns whether the Sync module is receiving a BITS SETS signal Syntax SYNC lt slot gt CLOCk STATus SIGNal BITS Parameters Description OFF Signal not selected NOT PRESent Signal is not present PRESent Signal is present 3 50 OTS9200 and OTS92S1 User Manual Artisan Technology Group Qualit
32. gt Parameters Description LF Line feed LF character 0x0A an optional preceding CR is ignored CR Carriage return CR character 0x0D an optional preceding LF is ignored SYSTem COMMunicate SERIal COM2A TXTERM This command controls for the COM2 serial port the characters the OTS system sends at the end of a query response The query form returns the current setting Syntax SYSTem COMMunicate SERIal COM2A TXTERM SYSTem COMMunicate SERIal COM2A TXTERM lt Enum gt Parameters Description LF Line feed LF character Ox0A CR Carriage return CR character OxXOD CRLF CR followed by LF LFCR LF followed by CR SSYSTem CONFig MODule SERIAL This query accepts a module slot number between 1 and 16 and returns a string identifying the Tektronix module card serial number as a quoted string Syntax SYSTem CONFig MODule SERIAL lt NR1 gt SYSTem CONFig MODule TYPE This query accepts a module slot number between 1 and 16 and returns a string identifying the Tektronix module in the specified slot If the slot specified does not contain an OTS system module this query returns the string Non Tek device or empty slot Syntax SYSTem CONFig MODule TYPE NR1 OTS9200 and OTS92S1 User Manual 3 63 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SYSTem CONFig MODule VARIANT This query accepts a modul
33. in any module in the system the status bar will change color and the Test Inactive message will change to Test Active If no test is being conducted the Test Inactive message is displayed on a background of gray Error If an error insertion rate is active the status bar will change color and change from Error Inactive to Error Active If no errors are being created the Error Inactive message is displayed on a background of gray Jitter If jitter is generated the Jitter Inactive status box will change color and change from Jitter Inactive to active If no jitter is being generated the Jitter Inactive message is displayed on a background of gray Client Lockout The user interface has the ability to lockout other users from setting parameters To set the lockout control double click the box to the left of the main status bar if this feature is in an inactive state the box will be an empty gray square The Lockout Control dialog box will be displayed Click the desired button and then click OK to return to the main screen When the lockout is in effect a lock symbol will appear in the box by the main status bar To unlock the server use the same procedure When one client has locked out others the lockout indicator A will be displayed If an operator tries to change a configuration parameter while locked out a warning dialog will be displayed The lockout control dialog box may also be accessed by selecting Server Lockout from the Sy
34. many times the measurement went over the threshold and came back OTS9200 and OTS92S1 User Manual 1 19 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Getting Started History Tab The History menu displays the test results There are two displays in the center of this window The top display shows the Upper Trace Parameters and the lower display shows the Lower Trace Parameters e Controls for each trace can be set through the use of the drop down menus provided for each trace The selections are Peak to Peak Max Peak Min Peak Current P to P Current Max Peak Current Min Peak and LOS RMS and current RMS are added to the list of choices when 10Hz 50kHz or 12kHz filters are selected e Search can be set to several choices They are Peak to Peak Max Peak Min Peak Current P to P Current Max Peak Current Min Peak and LOS RMS and current RMS are added to the list of choices when 10Hz 50kHz or 12kHz filters are selected Real Time Cumulative i y Parameters Upper Trace PeaktoPeak Lower Trace CurentPtoP Linear Logarithmic Data at Cursor Current P to P 0 000 Max Value Search Less than bd ft Zoom Out In lt lt E gt Upper Prev Iv Live Update 1 secftick Set Cursor fist C Lower Next r Time Axis amp Elapse
35. minimum amount of time the system waits between polling file deletion criteria If any deletion criteria have been met such as number of files deletion will begin If no criteria are met no deletion will take place until the next interval The query form returns the current setting NOTE Units for INTErval are usec Settings of less than 30000usec 30sec should be avoided since constant revisits consume system resources It is important to understand that this is a requested minimum interval actual intervals are based on free CPU cycles Syntax SYSTem FILEs MGMT RESUIts INTErval SYSTem FILEs MGMT RESUlIts INTErval lt NR1 gt 3 66 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SYSTem FILEs MGMT RESUlIts PERcent This command sets the maximum percentage of disk volume that files are allowed to consume before deletion begins The order in which files are deleted is based on the sort criteria see the SORT command below The query form returns the current setting Syntax SYSTem FILEs MGMT RESUIts PERcent SYSTem FILEs MGMT RESUIts PERcent lt NR1 gt SYSTem FILEs MGMT RESUIts SORT This command defines the sorting method by which files are prioritized for deletion The system default is by a file s creation time The query form returns the current sorting method Syntax SYSTem F
36. pending Information in this publication supersedes that in all previously published material Specifications and price change privileges reserved Tektronix Inc 14200 SW Karl Braun Drive Beaverton OR 97077 USA TEKTRONIX and TEK are registered trademarks of Tektronix Inc Microsoft Windows 2000 Copyright Microsoft Corporation Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Warranty Tektronix warrants that this product will be free from defects in materials and workmanship for a period of one 1 year from the date of shipment If any such product proves defective during this warranty period Tektronix at its option either will repair the defective product without charge for parts and labor or will provide a replacement in exchange for the defective product In order to obtain service under this warranty Customer must notify Tektronix of the defect before the expiration of the warranty period and make suitable arrangements for the performance of service Customer shall be responsible for packaging and shipping the defective product to the service center designated by Tektronix with shipping charges prepaid Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which Tektronix service center is located Customer shall be responsible for paying all shipping charges duties taxes and any other charges for pro
37. port When the prompt is enabled the system prompts when it is ready for a command The query form returns the current setting Syntax SYSTem COMMunicate SERIal COM2A PROMpt SYSTem COMMunicate SERIal COM2A PROMpt Boolean SYSTem COMMunicate SERIal COM2A RATE This command sets the baud rate for the COM2 serial port The query form returns the current setting Syntax SYSTem COMMunicate SERIal COM2A RATE SYSTem COMMunicate SERIal COM2A RATE lt Enum gt Parameters Description R1200B 1200 baud R2400B 2400 baud R4800B 4800 baud R9600B 9600 baud R19KB 19 2K baud R38KB 38 4K baud R57KB 57 6K baud R115KB 115 2K baud SYSTem COMMunicate SERIal COM2A RTS This command controls the state of the RTS Request to Send control signal on the COM2 port It has no effect when hardware flow control is enabled The query form returns the current setting Syntax SYSTem COMMunicate SERIal COM2A RTS SYSTem COMMunicate SERIal COM2A RTS Boolean 3 62 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SYSTem COMMunicate SERIal COM2A RXTERM This command selects for the COM2 serial port the character the OTS system recognizes as End of Input The query form returns the current setting Syntax SYSTem COMMunicate SERIal COM2A RXTERM SYSTem COMMunicate SERIal COM2A RXTERM lt Enum
38. port setup enable baud rate number of data bits number of stop bits flow control mode parity RS 232 DTR line RS 232 RTS line COWM2 serial port setup Network port connect address COM1 serial port protocol echo control prompt input terminator output terminator COWM2 serial port protocol Network session protocol initial values Current serial or network port session protocol Artisan Technology Group Quality Instrumentation system communicate gpib primary system communicate gpib secondary system communicate serial com1a enable system communicate serial com1a rate system communicate serial com1a ndata system communicate serial com1a nstop system communicate serial com1a flow system communicate serial com1a parity system communicate serial com1a dtr system communicate serial com1a rts system communicate serial com2a as above system communicate network ipport system communicate serial com1a echo system communicate serial com1a prompt system communicate serial com1a rxterm system communicate serial com1a txterm system communicate serial com2a as above system communicate network as above system communicate port as above OTS9200 and OTS92S1 User Manual Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Commands Overview Remote Control Lockout These commands enable remote control lockout system lock request system lock releas
39. preparation and initial setup of the OTS9200 and OTS92S1 modules Also provided is a list of standard and optional accessories for each of the configurations 10 Gb s Jitter 2 5Gb s Jitter and Synchronization OTS9200 Product Description The OTS9200 Jitter module provides stable repeatable jitter measurements capable of jitter generation and measurement The module provides jitter output and jitter tolerance testing from 155MHz to 10GHz rates with exceptionally low intrinsic noise wide jitter range with no range switching no settling time and high stable jitter accuracy The OTS9200 module utilizes a Tektronix patented Digital Phase Analysis DPA technology employed on a high speed SiGe chip This revolutionary approach to jitter generation and measurements provides a number of significant testing advantages during testing The DPA technology provides a much more robust signal containing none of the traditional problems of analog noise gain error distortion and band limiting Measurements can be made rapidly with no settling time delays The OTS9200 adds another layer of testing capability to the OTS Product Family solution The OTS9200 test module is comprised of three cards Jitter Generation Jitter Receiver and Jitter Hybrid The Jitter Hybrid card is required only for 10Gb s testing To test at the 155Mb s to 2 5Gb s rates the OTS92T1 Jitter Generator and OTS92R1 Jitter Receiver cards are paired with the OTS9300 Multi rate
40. quotation marks correctly incorrect This string does not use quotation marks correctly You can use upper case lower case or a mixture of both cases for all command queries and parameters SOURCE DATA STRUCTURE is the same as source data structure and SOURCE data Structure Noembedded spaces are allowed between or within nodes correct SOURce DATA STRUcture incorrect SOURce DATA STRUcture incorrect SO URce DATA STRU cture Slot Specifiers The OTS system can contain multiple modules of the same type e g more than one receiver more than one transmitter Any module specific command or query may include as a numeric suffix on the header s first keyword the slot number of the target module to indicate the particular instance of that module for which the command or query is intended For example the command SOURCES INSERT ANOMALY MODE CONTINUOUS 1s intended for the transmitter module in slot 5 Slot specifiers are indicated by Slot in the command listings Slot specifiers are optional if a slot specifier is omitted the command or query is directed to the lowest numbered slot that contains a module for which the command or query is valid 3 14 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description Command Description This section provides detailed descriptions
41. rate and format of the external reference clock from among the following choices e 2 048 MB s signal e 2 048 MHz signal e 5 MHz signal e 10 MHz signal Connector SMA AC coupled 1 55 Mb s IN The rate of the external reference clock is a 1 544 Mb s signal Connector Bantam differential AC coupled Note The internal backplane selection for use by transmit functions is generated by the synchronization card and is a copy of the front panel 155 MHz Clock Out Refer to setup menu controls for 10Gb s and multi rate cards 2 9 OTS9300 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics Functional Overview 2 10 OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface User Interface The user interface software for the OTS Family Optical Test System controls all configuration testing and measuring commands of the OTS cards The user interface provides easily navigated menus using Windows point and click operation on a Windows 2000 workstation Refer to the section Getting Started for information on how to load and launch the user interface software When the OTS Optical Test System is first powered on the software scans the card slots to determine what modules are loaded The user interface then provides icon
42. revelare stet A uda deirep ea beiden esu ddn 3 50 gl MR RH I EE 3 51 cn 3 51 STATUS PRESET EE 3 51 SYSTem COMM nNicate GPIB ranami ia AO ii 3 52 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Table of Contents GvGTemCOMMunicateNE Work 3 52 GvGfemCOMMunicate PO 3 54 SYSTem COMMunicate SERIal COMMA sese nnr nnne sinas 3 55 SYSTem COMMunicate SERIal COMAA esses nennen nnns knees nas 3 59 SYSTem CONFig MODuUule SERIAL ennei enine nainn EANA AAAA EEEE 3 63 SYSTem CONFig MODuUle TYPE enni An 3 63 SYSTem CONFig MODule VARIANT sssssssssssseseeeeeenen eene enne nnn nennen enne nnne 3 64 SYSTem CONFig MODule VERSion esee nenne eene nennen 3 64 SSYSTeM CONFIG SLOTS 1 0 2 eene nemen nnne nennen ener nr inen nennen nnne nnne 3 64 GvGtemDEGCnpton GE Tun 3 64 Re Ve un Bee 3 65 SYSTem FILEs MGMT RESUlts 200 cece cc cs ce eeeeee ee eseeeeeesesssaueveseaessesuaeeeessaaaeeeeeeeseeeas 3 66 SYSTem FORMatBLOQCR eee enean kn nsn an anta a desine dat aaa ast dae nada nna 3 68 ES Y SIF UHm SABIENDO TEIL 3 68 SYS Tem LOCK RELEASE EE 3 68 S YSTem LOCK REQUES EE 3 69 SYSTem SIGNal STANAId A 3 69 SYS Tem VERBOS EE 3 70 O A E A E A A E E A 3 70 WEG 3 70 Appendices le UL EE A 1 List of OI Me
43. s IN 5o Som Bel 155Mb s 2 68Gb s Electrical HH Power splitter Optical 10Gb s OUT Y RR 10 GHz 1 Vpp AC sg DATA IN DATA OUT DC Block Oc192 DC STM 4 RECEIVE TRANSMIT CLK TRIG OC19 OTS9210 10Gb s Jitter Module MODULE Q oK Rx LOCK SA TxLOCK 9 STATUS OTS92R1 MODULE Q o LOCK 9 STATUS Tektronix OTS92T1 MODULE Q o LOCK 9 STATUS e i 0159251 155 2 66G Rx Tx DEMOD OUT 2 5 GHz JITTER B EDS CLOCK OUT QIP 2831 M64 CLK REC JITTER Rx JITTER Tx Multi rate Multi rate Clock Jitter Jitter Transmit Recovery Receive Transmit Synchronization uera MODULE OK LOCK STATUS SIGNAL PRESENT 155 MHz CLOCK OUT 2 5 10 MHz 2 Mb s IN 1 5 Mb s IN SYNC Figure 1 4 Interconnection diagram for OTS 10Gb s to 155Mb s Multi Rate Jitter Testing OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Getting Started Power On and Software Initialization l 4 Set the Power Switch on the back of the OTS chassis to the ON position On the OTS9000 turn on the display monitor To login press CNTL ALT DEL The login information dialog box is now displayed Verify that the user name is Administrator and there is no password then click OK To launch the OTS user interface application click the OTS9000 ico
44. set the present value When headers are disabled the query returns only the present value The query form returns the current setting Syntax SYSTem HEADers SYSTem HEADers Boolean SYSTem LOCK RELease 3 68 This command releases the lock set by a SYSTEM LOCK REQUEST operation The lock must have been set by the same user an attempt to release a lock set by another user will not succeed If no lock is set this command is ignored Syntax SYSTem LOCK RELease OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SYSTem LOCK RELease FORCE This command releases any lock set by a SYSTEM LOCK REQUEST operation or any corresponding user interface operation Syntax SYSTem LOCK RELease FORCE SYSTem LOCK REQuest This query attempts to lock the system interface ie to take exclusive control of the system for commands that change system settings set commands It returns 1 if the lock succeeds 0 if it fails Syntax SYSTem LOCK REQuest SYSTem SIGNalSTANdard This command sets all of the OTS system modules to the SONET or SDH signal mode If all modules are set to the same standard the query form returns the current setting If different modules are set to different settings the query form returns MIXED Syntax SYSTem STANdard SYSTem STANdard lt Enum gt Parameters Des
45. step passed PASS LIMIT This test step passed with the stimulus level at the generator maximum value FAIL This test step failed BUSY This test step is in progress NODATA This test step lacks valid data SOURce JITTer COMPliance PROGress This query returns a NR1 value that indicates the number of measurement points completed in the jitter transfer or jitter tolerance test currently running Syntax SOURcesslot JITTer COMPliance PROGress SOURceJITTer COMPliance RESults This query returns an integer count of points followed by the measured value and pass fail status for each specified measurement point of the current test The first parameter specifies the 1 based index of the first point to be returned and must be between 1 and the number of measurement points for the test The second optional parameter specifies the number of points to be returned if omitted the query returns data for a single point If more points are requested than are available only the available points data are returned Measured values are returned in NR2 format The maximum number of measurement points of data returned by this query is 25 Use multiple queries to transfer more than that many data points Syntax SOURce lt slot gt JITTer COMPliance RESults NR1 NR 12 Parameters Description NOTRUN This test step has not yet run PASS This test step passed PASS LIMIT This test step passed with the stimulus level at the generator maximum v
46. test s results files you must rename both the sum and his file to have the same name If you use the File menu Save As function to copy the currently active test results to a directory on the local computer the operation creates both the sum and the bis files under the specified name OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Operation gt e Accessories E Geen id Event Printer e Adaptec Easy CD Cresto 4 gt E orsoonn Documents Adobe amp Release Notes eA Adobe Acrobat 4 0 E WW Test Results Viewer EN Settings Paint Shop Pro 6 EI uninstall Det Make Em Location C Program Files Tektronix OTS9000 a Search Microsoft Word E uninstall d LEET user Manual 2 Help Y Si Run amp z g 5 Epel stat UO u 0 00 BS rektronix Figure 2 41 Results File Management dialog box To start ResultsViewer from the start menu select Programs Tektronix OTS9000 Results Viewer It can also be started from TekUI by clicking on the View menu and selecting Test Results Opening files on the local computer On the Local computer To open a file locally click on File and select Open Local File A dialog box displays from which the user may select one or more test results files Files with an extension of sum are test
47. the OTS9100 and OTS9200 modules Power up the unit and initialize the OTS9000 system software as explained in the Power On and Software Initialization section above NOTE For proper measurement operation a twenty minute warm up time is recommended for the jitter measurement system to stabilize Transmitter Setup Controls should be entered into the appropriate fields of the setup menus for each card to be used in the test The jitter transmitter is the first card in the OTS9200 jitter module to set up NOTE The default settings that appear in the setup menus will reflect the last test conducted Do not assume that these are the correct settings for the device about to be tested Be sure to adjust all settings are correct before conducting a new test 1 In the Navigation window click on the Setup Title bar then click on the transmitter icon to select it i e OTS92TI has been selected in the example below Setup OTS92T1 Jitter Generator 1 155 Mb s im Timing Source mema Signal Rate m OTSS1T2 10 Gb s Txt 1 Transmit State ON g U DTSS2RI Jitter r Jitter Signal Parameters Frequency 1000 kHz 9 00 Hz Analyzer 1 Amplitude 1 000 Ul 0 000 Ul C 0759251 Synchronization Module 1 Minimum Minimum 1 30 MHz Maximum 13 000 UI Edit Maximum a OTS9271 Jitter Generator 1 Figure 1 5 Using the Navigation window to access setup for a device
48. the same format as found on the front panel label for example OPTICAL IN and Tx EVENT OUT When the user interface is discussed all menus name tags and buttons appear in the manual in the same format as found in the user interface for example Enable COM2 and Output Pulse Trigger In reference to terminology the user interface may be set to either SDH or SONET references The user manual provides SDH and SONET terminology separated by a slash If no second terminology is present the terminology is the same for both SDH and SONET In reference to the instrument the following conventions apply e When referring to the mainframe or the whole system the name OTS is used e When referring to the two card or three card jitter module Hybrid Transmit and Receive the name OTS9200 is used e When referring to each individual card the card name is used for example Transmit e When referring to the synchronization module and because this module consists of only one card the card name and module name are the same OTS92S1 NOTE Some of the content found in this manual does not pertain to some instruments Depending on the software revision and the options installed some of the features described in these pages may not be available Xii OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Getting Started This chapter describes the
49. with 60 used as default or in an infinite test Measurement Results are displayed in three categories one for Current one for Windowed and one for Cumulative readings OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Getting Started Measurements OTS92RA1 Jitter Analyzer 1 Current Real Time Cumulative History Category Rate Filter Window Size secomd C Infinite Windowed Category Cumulative Category dieit Complete Elapsed Time 0s Bee Measurement Results KKKK U KRKK U LOS Seconds Window Status Peak Peak Jitter Maximum Peak Jitter Food n Minimum Peak Jitter RMS Jitter Jitter Hit Seconds Jitter Hit Counts Figure 1 6 The arrows in this diagram identify where the readings are located for each category Current is a one 1 second measurement Windowed collects data until window size specified is met This window will display whether the test passed or failed ie Is the measurement over the standards limit required test Cumulative Results for the following readings are displayed in the Cumulative category fields LOS loss of signal in seconds JITTER Hit Seconds tracks anytime measurement goes above the set threshold measures how long the threshold has been exceeded JITTER Hit Counts tracks how
50. 10KPP G10 20KPP G10 50KPP G10 50KRMS G10 AMPP G2P5 5KPP G2P5 12KPP G2P5 12KRMS G2P5 1MPP M622 1KPP M622 12KPP M622 12KRMS M622 250KPP M155 500APP M155 12KPP M155 12KRMS M155 65KPP NOTRUN PASS FAIL BUSY NODATA OTS9200 and OTS92S1 User Manual Description 9 953G band pass filter 10KHz to 80MHz Wide band Peak to peak measurement 9 953G band pass filter 20KHz to 80MHz Wide band Peak to peak measurement 9 953G band pass filter 50KHz to 80MHz Wide band Peak to peak measurement 9 953G band pass filter 50KHz to 80MHz Wide band RMS measurement 9 953G band pass filter 4MHz to 80MHz High band Peak to peak measurement 2 488G band pass filter 5KHz to 20MHz Wide band Peak to peak measurement 2 488G band pass filter 12KHz to 20MHz RMS Peak to peak measurement 2 488G band pass filter 12KHz to 20OMHz RMS RMS measurement 2 488G band pass filter 1MHz to 20MHz High band Peak to peak measurement 622 08M band pass filter 1KHz to 5MHz Wide band Peak to peak measurement 622 08M band pass filter 12KHz to 5MHz RMS Peak to peak measurement 622 08M band pass filter 12KHz to 5MHz RMS RMS measurement 622 08M band pass filter 250KHz to 5MHz High band Peak to peak measurement 155 52M band pass filter 500Hz to 1 3MHz Wide band Peak to peak measurement 155 52M band pass filter 12kHz to 1 3MHz RMS Peak to peak measurement 155 52M band pass filter 12kHz to 1 3MHz RMS RMS measurement 155 52M band pass filter 65
51. 2 44 OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Page Title The active screen is always displayed on the title bar but if Active Page is selected the active screen name also appears as a title at the top of the current menu as shown by Figure 2 35 If the Application title bar option is selected then the active title is removed tem View Device Window Help Active NA EUR AA on onfantasers z nt m m Blantests Page Title Setup OTS93T1 2 5 Gb s Transmitter 1 Signal Transport Overhead Path Overhead Error Insertion K1 K2 Decode DCC Orde Serial Overhead Byte Channel None E Figure 2 35 Location of the Active Page Title Server System The server selections allow the user to restore connection to the server at startup and to change the quantity displayed in the recent connection list These server connections refer to the specific OTS system Display Configuration Display configuration provides two different display sizes 800 x 600 and 1024 x 768 NOTE For viewing on the OTS9010 the 800 x 600 display is recommended Otherwise the whole screen will only be viewable with the use of scrollbars Navigation Mode For the user s convenience two ways of navigating through the menus of the user interface are provided The Navigation Mode in the options dialog box pr
52. 28 Jitter Transfer Mask dialog The Add extra measurement points field allows specifying particular frequencies at which you want measurements to be made These points are independent of those automatically assigned The frequencies specified must be within the range covered by the mask This feature may be used to concentrate measurements in a frequency range that is of particular interest NOTE The measurement points are allocated based on the response mask independent of whether the response mask or stimulus mask is displayed Extra measurement points are similarly allocated within the range specified by the response mask OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 2 39 Operating Basics User Interface Running Jitter Transfer Calibration With the system properly set up and looped back to itself for calibration and the mask and test settings at their desired values click the Start Cal button During calibration the Elapsed Test Time indicator increments and the progress bar display advances When calibration is complete the user interface displays Calibrated NOTE Do not change mask selection or test settings after calibration is completed Changing these settings erases the calibration data and thus requires that the calibration sequence be run again Note that calibration should be performed afier the OTS system has warmed up for 20 mi
53. 5TR User Defined Jitter Transfer Mask 5 3 32 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SOURceJITTer COMPliance MASK AV Ailable This query returns a comma separated list of the jitter compliance test masks that are applicable to the currently selected line rate and compliance test type Syntax SOURce lt slot gt JITTer COMPliance MASK AVAilable Parameters Description GR253TL GR 253 Jitter Tolerance Mask GR253REQTL GR 253 Jitter Tolerance Requirement Mask GR2530BJTL GR 253 Jitter Tolerance Objective Mask GR1377TL GR 1377 Jitter Tolerance Mask Obsolete Standard G825NET1P5TL G 825 Jitter Tolerance Mask 1 544 kbits s networks G825NET2TL G 825 Jitter Tolerance Mask 2 048 kbits s networks G958TYPEATL G 958 Jitter Tolerance Mask Type A G958TYPEBTL G 958 Jitter Tolerance Mask Type B USER1TL User Defined Jitter Tolerance Mask 1 USER2TL User Defined Jitter Tolerance Mask 2 USER3TL User Defined Jitter Tolerance Mask 3 USER4TL User Defined Jitter Tolerance Mask 4 USERS5TL User Defined Jitter Tolerance Mask 5 GR253TR GR 253 Jitter Transfer Mask G783A1P5TR G 783 Type A Jitter Transfer Mask 1 544 kbits s networks G783A2TR G 783 Type A Jitter Transfer Mask 2 048 kbits s networks G783BTR G 783 Type B Jitter Transfer Mask USER1TR User Defined Jitter Transfer Mask 1 USER2TR User Defined J
54. 8 88 SOURCE www artisantg com Operating Basics Front Panel Indicators and Connectors Demodulation Output Signal DEMOD The Demodulation Output Signal provides an analog output that can be measured externally using equipment such as oscilloscope RMS meter or a Spectrum Analyzer The range of the Demodulation Output signal has a maximum of 1 Vpp into 50Q The Demodulation Output Signal is the demodulated jitter from the jitter measurement system The DC offset of the demodulated output should be less than 100mV Edge Density Signal EDS The Clock Receive EDS port is cabled to the Jitter Rx EDS port The Edge Density Signal port does not support OTS9200 functionality OTS 9200 User Manual 2 3 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics Front Panel Indicators and Connectors Tektronix OTS92T1 OTS92T1 Transmit Card J bor m The OTS92T1 Transmit card of the OTS9200 module contains all of the jitter generation functionality EE vd Module OK The Module OK LED should be green while the instrument is running On power up the LED first lights red then will switch to green when the system has finished initializing The LED CLOCK OUT lights to yellow when FPGA has completed loading NOTE The LED will flash red if the reference clock is missing or out of range Otherwise if the LED remains red after the system has finished initializ
55. AT NEE 3 30 GENSe JIT Ter TEST DESCMpton TEE 3 30 SENSewWIT Ter TES E le RTE 3 30 PSENSe RRE NH NH RE 3 31 SENSe JITTer NEEN 3 31 SOURCE WIT Ter BUSY EEN 3 31 SOURCE ITT er CLOCK SOURCE siririna iania oiii aaa ia ai 3 32 SOURce JITTer COMPliance MASK esses eme nnenenmnenen nennen nnn nn enne tnra 3 32 SOURCe JITTer COMPliance OUT Come sss enennenennn nnne nnne 3 41 SOURce JITTer COMPliance PROGTLESS ener nennennn rne nnn nnns 3 41 SOURCe JITTer COMPliance RESUults sess 3 41 SOURce JITTer COMPliance STAT oo nennen nnn nn ns nn renale 3 43 SOURce JITTer COMPliance TIME 3 43 SOURCe JITTer COMPliance TOLerance essere 3 43 SOURCe JITTer COMPliance TRANSfer esses nennen nennen rennen nnne 3 46 SOURCe JITTer COMPliance TYPE oo cccccccc ce ceceeeeececeseeeeeseseuueeeeeeseesauaesessaueeeeeeeseeeas 3 47 SSOURCEC UIT ei LOCK EE 3 47 SOURCE JITTE RATE isto etd datei cic dE RES ete et de ea eoe etd ueste ci qe ned AER 3 47 SOURCE IT Ter LEI E UG 3 48 SOURCe JITTer SIGNal RANGe sss enne ennnhnn nn nnnn ne trer ss nn eins s asas s saa dada 3 48 SOURCE WIT Ter STATO tete de Bed aA 3 48 SYNC CLOCK OFFS et RET TTmE 3 49 POY NG CE OCKREFEMEM CO xi EE 3 49 ES YNG CLOCKSTA TUS LOCK sie ce itid tee sds diee eee cte ret eee ote ee etu dete edes dece eet oder eee eed ue 3 50 S SYNG CEOGISTATus SIGNal iiie heise dieere
56. Description 9 953G band pass filter 10KHz to 80MHz Wide band Peak to peak measurement 9 953G band pass filter 20KHz to 80MHz Wide band Peak to peak measurement 9 953G band pass filter 50KHz to 80MHz Wide band Peak to peak measurement 9 953G band pass filter 50KHz to 80MHz Wide band RMS measurement 9 953G band pass filter 4MHz to 80MHz High band Peak to peak measurement 2 488G band pass filter 5KHz to 20MHz Wide band Peak to peak measurement 2 488G band pass filter 12KHz to 20MHz RMS Peak to peak measurement 2 488G band pass filter 12KHz to 20MHz RMS RMS measurement 2 488G band pass filter 1MHz to 20MHz High band Peak to peak measurement 622 08M band pass filter 1KHz to 5MHz Wide band Peak to peak measurement 622 08M band pass filter 12KHz to 5MHz RMS Peak to peak measurement 622 08M band pass filter 12KHz to 5MHz RMS RMS measurement 622 08M band pass filter 250KHz to 5MHz High band Peak to peak measurement 155 52M band pass filter 500Hz to 1 3MHz Wide band Peak to peak measurement 155 52M band pass filter 12kHz to 1 3MHz RMS Peak to peak measurement 155 52M band pass filter 12kHz to 1 3MHz RMS RMS measurement 155 52M band pass filter 65HKz to 1 3MHz High band Peak to peak measurement 3 17 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SENSe JITTer COMPliance OUTPut FILTer ENABle
57. EASure wc nodes SECTion LINE PATH WINDow OVERhead APSTime POINter Figure 3 1 Example of SCPI subsystem hierarchy tree You can create commands and queries from these subsystem hierarchy trees Command Format A command sets the value of an instrument parameter or initiates an instrument event A command consists of one or more alphanumeric keywords separated by colons this part is called the header If the command includes parameter values these appear after the header and separated from the header by a space Multiple parameter values are separated by commas Example The command to set the OTS 9100 Receiver input threshold voltage to 100 mV is SENSE INPUT THRESHOLD 100 where SENSE INPUT THRESHOLD is the header and 100 is the parameter value Query format A query fetches the current value of an instrument parameter measurement or status condition A query consists of a header like that of a command followed by a question mark If a query includes parameter values these appear after the question mark and a separating space Example The query to fetch from the OTS 9100 Receiver the current setting of the input threshold voltage is SENSE INPUT THRESHOLD The response to this query might be the value 100 it might also be formatted as a complete command for example SENSE INPUT THRESHOLD 100 as controlled by the SYSTEM HEADERS and SYSTEM VERBOSE commands q v OTS9200 and OTS92S1 User Manual 3 9 Artisan Tec
58. Front Panel Indicators amp Connectors The OTS92S1 Synchronization card provides three LEDs Figure 2 5 shows the front panel for the OTS92S1 module The OTS92S1 Synchronization module has only one card the Synchronization card Module OK The Module OK LED should be green while the instrument 1s running On power up the LED first lights red then will switch to green when the system has finished initializing The LED lights to yellow when FPGA has completed loading NOTE If the LED remains red after the system has finished initializing call Tektronix for service Lock Status Lock Status Red indicates no input Green indicates input present Signal Present The Signal Present indicator will light green when the module senses an incoming signal 155 MHz CLOCK OUT 2 8 The 155 MHz Clock Output provides an external reference clock output to the front panel for calibration and testing purposes Connector SMA AC coupled 500 to 1000 mVpp into 50 Frequency 155 52MHz offset may be imposed as programmed Tektronix OTS92S1 ON MODULE statis SIGNAL 9 PRESENT 155 MHz CLOCK OUT 2 5 10 MHz 2 Mb s IN SYNC Figure 2 5 Synchronization Card Front Panel OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics Front Panel Indicators and Connectors 2 5 10 MHz 2 Mb s IN The user can select the
59. HKz to 1 3MHz High band Peak to peak measurement This test step has not yet run This test step passed This test step failed This test step is in progress This test step lacks valid data 3 19 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SENSe JITTer COMPliance OUTPut FILTer MEASured ALL This query returns the measured jitter and pass fail status for all filters used in the most recently completed output jitter compliance test The first value returned is a NR1 value indicating the number of filters This is followed by three values for each filter an Enum keyword identifying the filter NR2 value for the measured jitter value and a Enum keyword for the measurement status 3 20 Syntax SENSesslot JITTer COMPliance OUTPut FILTer MEASured ALL Parameters G10 10KPP G10 20KPP G10 50KPP G10 50KRMS G10 AMPP G2P5 5KPP G2P5 12KPP G2P5 12KRMS G2P5 1MPP M622 1KPP M622 12KPP M622 12KRMS M622 250KPP M155 500APP M155 12KPP M155 12KRMS M155 65KPP NOTRUN PASS FAIL BUSY NODATA Description 9 953G band pass filter 10KHz to 80MHz Wide band Peak to peak measurement 9 953G band pass filter 20KHz to 80MHz Wide band Peak to peak measurement 9 953G band pass filter 50KHz to 80MHz Wide band Peak to peak measurement 9 953G band pass filter 5 OKHz to 80MHz Wide band RMS measurement 9 953G band pas
60. ILEs MGMT RESUIts SORT SYSTem FILEs MGMT RESUIts SORT lt Enum gt Parameters Description CREAted Sort by creation time MODified Sort by last modified time ACCEssed Sort by last accessed time SYSTem FILEs MGMT RESUlIts TOTAlsize This command sets the maximum amount of space combined files are allowed to span before deletion is initiated The order in which files are deleted is based on the sort criteria see the SORT command below The query form returns the current setting NOTE Units for TOTAlsize are in megabytes Syntax SYSTem FILEs MGMT RESUIts TOTAlsize SYSTem FILEs MGMT RESUIts TOTAlsize lt NR1 gt OTS9200 and OTS92S1 User Manual 3 67 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SYSTem FORMat BLOCKk This command selects whether binary block data command parameters are transmitted as raw 8 bit binary characters or pairs of hex digits Some communication links may not be able to send raw binary data The query form returns the current setting Syntax SYSTem FORMat BLOCk SYSTem FORMat BLOCKk lt Enum gt Parameter Description BINary Block data uses raw 8 bit binary bytes HEX Block data uses two hex digits per byte SYSTem HEADers This command enables or disables command headers in query responses When headers are enabled the response to a query is in the form of a complete command sufficient to
61. Kz to 1 3MHz High band SENSe JITTer HIT THREshold This command sets the jitter measurement hit threshold in Unit Intervals UI The query form returns the current setting Syntax SENSesslot JITTer HIT THREshold SENSesslot JITTer HITTTHREshold lt NR2 gt SENSe JITTer HIT ITHREshold RANGe This query returns the minimum and maximum jitter hit threshold values in NR2 format Syntax SENSe lt slot gt JITTer HIT THREshold RANGe 3 24 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SENSe JITTer LOCK This query returns the status of the DPA phase locked loop Syntax SENSe lt slot gt JITTer LOCK Parameters Description LOCKed DPA is locked UNLOcked DPA is unlocked SENSe JITTer MEASure CUMUlative This query returns the measurement status and value of the specified result parameter for the most recent test The value is returned in NR1 format Syntax SENSe lt slot gt JITTer MEASure CUMUlative lt Enum gt Parameters Description LOS_Eses Loss of Signal Errored Seconds JHSEC Jitter Hit Seconds JHCOunt Jitter Hit Count VALId The data are valid INVAlid The data are not valid OVERrange The receiver s tracking ability was exceeded SENSe JITTer MEASure CUMUlative ALL This query returns the measurement status and values of all the parameters of the SEN
62. MIN command when this function is disabled jitter transfer tests start at the lowest frequency specified by the mask The query form returns the current setting Syntax SOURcesslot JITTer COMPliance TRANsfer FMIN ENABle SOURce lt slot gt JITTer COMPliance TRANsfer FMIN ENABle Boolean 3 46 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SOURceJITTer COMPliance TYPE This command selects the type of jitter compliance test to be run The query form returns the current setting Syntax SOURce lt slot gt JITTer COMPliance TYPE SOURCcesslot JITTer COMPliance TYPE lt Enum gt Parameters Description POWER Accept Jitter tolerance acceptance test using the 1 dB optical power penalty method POWER Meas Jitter tolerance measurement using the 1 dB optical power penalty method ONSET Accept Jitter tolerance acceptance test using the onset of errors method ONSET Meas Jitter tolerance measurement using the onset of errors method TRANS Fast Jitter transfer compliance test Fast TRANS Acc Jitter transfer compliance test High accuracy SOURcCe JITTer LOCK This query returns the status of the DPA phase locked loop Syntax SOURce lt slot gt JITTer LOCK Parameters Description LOCKed DPA is locked UNLOcked DPA is unlocked SOURce JITTer RATE This command sets the jitter g
63. MS measurement 2 488G band pass filter 1MHz to 20MHz High band Peak to peak measurement 622 08M band pass filter 1KHz to 5MHz Wide band Peak to peak measurement 622 08M band pass filter 12KHz to 5MHz RMS Peak to peak measurement 622 08M band pass filter 12KHz to 5MHz RMS RMS measurement 622 08M band pass filter 250KHz to 5MHz High band Peak to peak measurement 155 52M band pass filter 500Hz to 1 3MHz Wide band Peak to peak measurement 155 52M band pass filter 12kHz to 1 3MHz RMS Peak to peak measurement 155 52M band pass filter 12kHz to 1 3MHz RMS RMS measurement 155 52M band pass filter 65HKz to 1 3MHz High band Peak to peak measurement OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SENSe JITTer COMPliance OUTPut FILTer MEASured This query returns the measured jitter and pass fail status for the specified filter The parameter may be an Enum keyword that specifies the specific filter or a NR1 value that specifies the filter s position in the list returned by the SENSe JITTer COMPliance OUTPut FILTer AVAlLable query The first value returned is the measured jitter as a NR2 value The second value returned is an Enum keyword that indicates the measurement status Syntax SENSesslot JITTer COMPliance OUTPut FILTer MEASured lt Enum gt lt NR1 gt Parameters G10
64. OMPliance OUTPut STANdard AVAllable Parameter Description USER User defined set of filters and thresholds GR253EQ GR 253 Equipment Category II G783EQRGN G 783 Equipment Type A Regenerators in 2 048 Kb s networks G783EQ1X G 783 Equipment Option 1 Ref G 813 G783EQ2X G 783 Equipment Option 2 Ref G 813 GR1377EQ GR 1377 Equipment Category Il Obsolete GR253NET GR 253 Network GR253NETB GR 253 Network Type B G825NET G 825 Network GR1377NET GR 1377 Network Obsolete T1P105P03X T1 105 03 Network T1P105P03A T1 105 03 Network with Type A Regenerators T1P105P03B T1 105 03 Network with Type B Regenerators SENSe JITTer COMPliance OUTPut STATe This command starts or stops the execution of an output jitter compliance test The query form returns the current state of the test execution Syntax SENSe lt slot gt JITTer COMPliance OUTPut STATe SENSesslot JITTer COMPliance OUTPut STATe lt Enum gt Parameters Description RUN Start test command the test is running query response END Stop test command the test is not running query response COMPLETE The test has run to completion query response only SENSe JITTer COMPliance OUTPut TIME When a user defined test standard is selected this command sets the measurement time per filter for non user defined standards this command has no effect The query returns the measurement time for the currently selected test standard Syntax SENSesslot JITTer COMPliance OU
65. OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Getting Started The menu for the transmitter setup becomes active Make the following selections from the pull down menus e Signal Rate set to rate of 9 953 Gb s e Timing Source Internal Jitter Signal Parameters can be changed by clicking on the Edit button In the editing state set e Frequency can be adjusted up or down e Amplitude can be adjusted up or down Amplitude will reset the range to work within its specification for jitter e Click on OK to accept the adjusted entries Jitter Receiver Setup 1 In the Navigation window click on the receiver ie OTS92R1 for example e Signal Rate 9 953 Gb s Ensure that your signal rate corresponds with the device under test e Filter Bandwidth 20kHz to 80MHz select which ever one you want to test e Signal Type Data e Jitter Threshold can be set to flag a failure for example the number can be set to exceed the threshold readings will vary depending on rate Click on the Edit button to access this field Front Panel Output Settings e Demodulated Out can be set to 1 4 16 64 256 1024 and 4096 Ulpp 4096 is only available at 9 953 Gb s The demodulated out signal is an analog representation of the jitter output which can be used to provide another representation by which to compare jitter separated out from the clock e R
66. OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Index Receiver Setup 2 23 Record Type Codes 2 51 Recovered Clock Out 2 2 Remote Access Setup 2 33 Remote Control Settings 2 33 Reference clock 1 4 Removing Module Cards 1 9 Results File Management 2 41 42 44 Results Files 2 41 Results Viewer 2 43 44 45 46 RMS 2 3 Rx DATA IN 1 11 15 Rx DATA OUT 1 11 12 16 Rxicons 2 21 28 S SCPI 2 15 39 3 1 6 8 11 13 SDH 2 2 5 18 22 35 46 49 50 52 Search 2 30 SEF 2 18 Select Server 2 34 35 Settling time 1 1 2 3 Server system 2 36 SETUP menu 2 21 Shutdown and Power Off 1 18 SiGe chip 1 1 Signal present 2 10 18 Signal Rate 2 21 22 23 31 Sinusoidal signal 1 34 Slot Positioning of Modules 1 10 Slot Specifiers 3 13 SMA Kit 1 6 SMA male to BNC female 1 6 SMA male to BNC male 1 6 Software 1 2 4 6 10 20 SONET SDH 1 1 4 11 15 2 5 18 22 35 46 SONET GR 253 line analysis 2 52 SONET GR 253 section analysis 2 51 Splitters 1 11 Status Window 2 18 Stratum 3 internal crystal oscillator 1 4 Synchronization 1 1 4 Synchronization external clocks 1 4 System View 2 38 System Menu 2 41 Syntax 3 1 6 14 to 55 T Tektronix 1 1 6 18 Tektronix Meausrement data 2 41 Terminator Cap 1 6 Test Active 2 16 TEST Control 1 26 2 14 15 25 26 27 Test mode 2 26 Through mode 1 10 Index 3 Guaranteed 888 88 SOURCE www artisant
67. Optical 10Gb s OUT DC Block 50 ohm Terminator REMOTE I ERLOCK OC192 OC182 Wal STM64 STM64 64 RECEIVE CLK REC JITTER Rx Figure 1 3 Interconnection diagram for OTS Receive only 10Gb s Jitter Testing 1 12 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Getting Started 10Gb s and Multi rate Jitter Configuration The OTS9200 configuration supports 155Mb s OC 3 622Mb s OC 12 2 5Gb s OC 48 and 10Gb s OC 192 Jitter testing The combination of the OTS9100 10Gb s SONET SDH module with the OTS9300 Multi rate module and the OTS9210 Jitter module provides a solution developed to support testing of jitter from 10Gb s to 155Mb s signal rates To connect the OTS9100 OTS9300 and OTS9210 modules for jitter testing the following interconnections must be installed as shown in Figure 1 4 1 Install a DC signal block to Rx DATA IN on the OTS91R2 card Install a DC signal block to Tx DATA OUT on the OTS91T3 card Install a power splitter to Rx DATA OUT on the OTSO91L card Install a coax cable between 10GHz CLOCK IN on the OTS91T3 card and 10GHz CLOCK OUT on the OTS91C3 card 5 Install a coax cable between Rx CLOCK OUT on the OTS91R2 card and Rx CLOCK IN on the OTS91C3 card 6 Install a coax cable between the DC block on the OTS91T3 card and Tx DATA IN on the OTS91L1 card 7 Install a coax cable between the DC block on the OTS91
68. R2 card and one end of the power splitter on Rx DATA OUT on the OTS91L 1 card 8 Install a coax cable between the other end of the power splitter on Rx DATA OUT on the OTS91L1 card and 10Gb s DATA IN on the OTS92HI card a m up NOTE Before testing ensure that both ends of the power splitter are always connected on both ends 9 Install a coax cable between 10GHz CLOCK IN on the OTS91C3 card and 10GHz JITTER CLOCK OUT on the OTS92H1 card 10 Install a coax cable between 10GHz CLOCK OUT on the OTS92HI card and 10GHz CLOCK IN on the OTS92R1 card 11 Install a coax cable between 2 5GHz JITTER CLOCK IN on the OTS92HI card and 2 5GHz JITTER A CLOCK OUT on the OTS92TI card 12 Install a coax cable between 2 5G CLK IN on the OTS93TI card and 2 5GHz JITTER B CLOCK OUT on the OTS92T1 card 13 Install a coax cable between RECEIVED DATA OUT on the OTS93R1 card and RECEIVED DATA IN on the OTS92R1 card OTS9200 and OTS92S1 User Manual 1 13 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Getting Started OTS9100 10Gb s SONET SDH Module l OC192 OC192 0OC192 Clock OTS9300 Multi rate Module Optics Receive Transmit Trig Receive ak Tektronb Tektronix OTS91L1 OTS91R2 oTs91T3 OTS91C3 OTS93R1 OTS93T1 o r P o MODULE oue E We Q RER Qus Q ws DOES Qoerect NT Omer Dee r3 Yen UT Px EVENT EVENT H IU Optical E Px EVENT 10 Gb
69. R2530BJTL GR 253 Jitter Tolerance Objective Mask G877TL GR 1377 Jitter Tolerance Mask Obsolete Standard G825NET1P5TL G 825 Jitter Tolerance Mask 1 544 kbits s networks G825NET2TL G 825 Jitter Tolerance Mask 2 048 kbits s networks G958TYPEATL G 958 Jitter Tolerance Mask Type A G958TYPEBTL G 958 Jitter Tolerance Mask Type B USER1TL User Defined Jitter Tolerance Mask 1 USER2TL User Defined Jitter Tolerance Mask 2 USER3TL User Defined Jitter Tolerance Mask 3 USER4TL User Defined Jitter Tolerance Mask 4 USER5TL User Defined Jitter Tolerance Mask 5 GR253TR GR 253 Jitter Transfer Mask G783A1P5TR G 783 Type A Jitter Transfer Mask 1 544 kbits s networks G783A2TR G 783 Type A Jitter Transfer Mask 2 048 kbits s networks G783BTR G 783 Type B Jitter Transfer Mask USER1TR User Defined Jitter Transfer Mask 1 USER2TR User Defined Jitter Transfer Mask 2 USER3TR User Defined Jitter Transfer Mask 3 USER4TR User Defined Jitter Transfer Mask 4 USER5TR User Defined Jitter Transfer Mask 5 3 40 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SOURce JITTer COMPliance OUTCome This query returns the status of the current jitter transfer or jitter tolerance compliance test Syntax SOURcesslot JITTer COMPliance OUTCome Parameters Description NOTRUN This test step has not yet run PASS This test
70. RCE www artisantg com Reference Remote Commands Command Description SYSTem COMMunicate SERIal COM 1A PROMpt This command enables or disables the user prompt on the COM1 serial port When the prompt is enabled the system prompts when it is ready for a command The query form returns the current setting Syntax SYSTem COMMunicate SERIal COM1A PROMpt SYSTem COMMunicate SERIal COM1A PROMpt Boolean SYSTem COMMunicate SERIal COMIA RATE This command sets the baud rate for the COM1 serial port The query form returns the current setting Syntax SYSTem COMMunicate SERIal COM 1A RATE SYSTem COMMunicate SERIal COM1A RATE lt Enum gt Parameters Description R1200B 1200 baud R2400B 2400 baud R4800B 4800 baud R9600B 9600 baud R19KB 19 2K baud R38KB 38 4K baud R57KB 57 6K baud R115KB 115 2K baud SYSTem COMMunicate SERIal COMI1A RTS This command controls the state of the RTS Request to Send control signal on the COM1 port It has no effect when hardware flow control is enabled The query form returns the current setting Syntax SYSTem COMMunicate SERIal COM1A RTS SYSTem COMMunicate SERIal COM1A RTS Boolean 3 58 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SYSTem COMMunicate SERIal COMI A RXTERM This command selects for the COM1 serial port the cha
71. Rate 3 953 Gb s c Start Jitter OTSS1R2 10 Gb s D Rs tt Timing Source intemal Transmit State OFF OTSSITI 10 Gb s r Jitter Signal Parameters Tx 1 Frequency 10 00 ko Amplitude 1000 j OTS91T3 10 Gb s Minimum 9 00 Hz Minimum 0 000 UI ix Maximum 80 00 MHz Maximum 240 000 UI OTS92A1 Jitter Analyzer 1 Edit 0789251 Synchronization Module 1 Figure 2 10 Setup Signal menu Signal Rate The selected Signal Standard determines the signal rates available for use For SONET and SDH selections the available signal rates include o 9 953 Gb s o 2 488 Gb s o 622 Mb s o 155 Mb s Timing Source Timing Source selects either internal or backplane timing generated by OTS92S1 when present in configuration across the backplane Internal timing uses the internal clock Jitter Signal Parameters Changes to jitter signal parameters can be entered by clicking on the Edit button for o Frequency o Amplitude OTS9200 User Manual 2 19 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Receiver Setup The signal menu of the Receiver setup as shown in Figure 2 11 allows the user to set the signal rate filter bandwidth signal type jitter hit threshold demodulated output range and recovered clock This menu also indicates the current value of the receiver threshold offset Each of the selections available
72. SONET SDH module To test at the 10Gb s rate the OTS92T1 Jitter Generator OTS92R1 Jitter Receiver and the OTS92HI Jitter Hybrid cards are paired with the OTS9100 10Gb s SONET SDH module Next Generation All Digital Jitter Analysis This all digital jitter solution provides consistent results which in turn produce the following benefits e Confidence in repeatability amp consistency e Greater first pass ratio e Results in higher yields e Eliminates the need for repeated tests e Saves time amp money e Ensures compliance to standards NOTE To support 10Gb s jitter generation the OTS91T3 and OTS91C3 cards must be used in place of the OTS91T2 OTS91T1 and OTS91CI cards To support 10Gb s jitter measurement the 10Gb s Transmit card must be either OTS91T3 or OTS91T2 The OTS91TI Transmit card does not support jitter OTS9200 and OTS92S1 User Manual 1 1 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Getting Started OTS9200 Module Features and Capabilities 1 2 e Exceptionally low intrinsic noise e Wide jitter range with no range switching e High jitter accuracy e No settling time e Greater first pass ratio e Eliminates the need for repeated tests e Results in higher yields e Saves time and money e Common user interface with all OTS products e Fits in the same chassis as other OTS modules e Available in 10Gb s Jitter and 2 5Gb s Jitter configu
73. Se JITTer MEASure CUMUlative query in the order in which they are listed under SENSe JITTer MEASure CUMUlative The values are returned in NR1 format Syntax SENSesslot JITTer MEASure CUMUlative ALL OTS9200 and OTS92S1 User Manual 3 25 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SENSe JITTer MEASure CURRent This query returns the measurement status and value of the specified result parameter for the most recent test The value is returned in NR3 format Syntax SENSesslot JITTer MEASure CURRent lt Enum gt Parameters Description PTP Peak to Peak PMAX Maximum peak PMIN Minimum peak RMS RMS valid only for RMS filters VALId The data is valid INVAlid The data is not valid OVERrange The receiver s tracking ability was exceeded SENSe JITTer MEASure CURRent ALL This query returns the measurement status and values of all the parameters of the SENSe JITTer MEASure CURRent query in the order in which they are listed under SENSe JITTer MEASure CURRent All values are returned in NR3 format Syntax SENSe lt slot gt JITTer MEASure C URRent ALL 3 26 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SENSe JITTer MEASure REALtime This query retur
74. TION could result in damage to this product or other property Terms on the Product These terms may appear on the product DANGER indicates an injury hazard immediately accessible as you read the marking WARNING indicates an injury hazard not immediately accessible as you read the marking CAUTION indicates a hazard to property including the product Symbols on the Product The following symbols may appear on the product S A is Electrostatically Protective Ground ATTENTION hazardous Earth Terminal Refer to Manual CAUTION Laser Radiation OTS9200 and OTS92S1 User Manual ix Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com General Safety Summary X OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Preface Preface This manual describes how to use the Tektronix OTS Jitter and Synchronization modules This manual is your primary source of information about how the modules function The user interface also provides Windows Help files for further information on specific topics How This Manual is Organized This manual is divided into four sections Getting Started Operating Basics Reference and Appendices Getting Started provides an overview of the modules and describes first time operation Operating Basics explains the basic principles of operating the modules The Oper
75. TPut TIME SENSesslot JITTer COMPliance OUTPut TIME lt NR1 gt OTS9200 and OTS92S1 User Manual 3 23 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SENSe JITTer FILTer This command sets the jitter measurement filter type The query form returns the current setting Syntax SENSesslot JITTer FILTer SENSesslot JITTer FIL Ter lt Enum gt Parameters Description G10 10A 9 953G band pass filter 10Hz to 80MHz Full band G10 10K 9 953G band pass filter 10KHz to 80MHz Wide band G10 20K 9 953G band pass filter 20KHz to 80MHz Wide band G10 50K 9 953G band pass filter 50KHz to 80MHz Wide band G10 ANM 9 953G band pass filter 4MHz to 80MHz High band G2P5 10A 2 488G band pass filter 10Hz to 20MHz Full band G2P5 5K 2 488G band pass filter 5KHz to 20MHz Wide band G2P5 12K 2 488G band pass filter 12KHz to 20MHz RMS G2P5 1M 2 488G band pass filter 1MHz to 20MHz High band M622 10A 622 08M band pass filter 10Hz to 5MHz Full band M622 1K 622 08M band pass filter 1KHz to 5MHz Wide band M622 12K 622 08M band pass filter 12KHz to 5MHz RMS M622 250K 622 08M band pass filter 250KHz to 5MHz High band M155 10A 155 52M band pass filter 10Hz to 1 3MHz Full band M155 500A 155 52M band pass filter 500Hz to 1 3MHz Wide band M155 12K 155 52M band pass filter 12kHz to 1 3MHz RMS M155 65K 155 52M band pass filter 65H
76. This command selects the filters to be included in a user defined output jitter test The command requires two parameters The first parameter may be an Enum keyword that specifies the specific filter or a NR1 value that specifies the filter s position in the list returned by the SENSe JITTer COMPliance OUTPut FILTer AVAlLable query The second parameter specifies whether the filter is included in the test The query form returns the enable setting for the specified filter 3 18 Syntax SENSesslot JITTer COMPliance OUTPut FILTer ENABle lt Enum gt lt NR1 gt SENSesslot JITTer COMPliance OUTPut FILTer ENABle lt Enum gt lt NR1 gt lt Boolean gt Parameters G10 10KPP G10 20KPP G10 50KPP G10 50KRMS G10 AMPP G2P5 5KPP G2P5 12KPP G2P5 12KRMS G2P5 1MPP M622 1KPP M622 12KPP M622 12KRMS M622 250KPP M155 500APP M155 12KPP M155 12KRMS M155 65KPP Description 9 953G band pass filter 10KHz to 80MHz Wide band Peak to peak measurement 9 953G band pass filter 20KHz to 80MHz Wide band Peak to peak measurement 9 953G band pass filter 50KHz to 80MHz Wide band Peak to peak measurement 9 953G band pass filter 5 OKHz to 80MHz Wide band RMS measurement 9 953G band pass filter 4MHz to 80MHz High band Peak to peak measurement 2 488G band pass filter 5KHz to 20MHz Wide band Peak to peak measurement 2 488G band pass filter 12KHz to 20MHz RMS Peak to peak measurement 2 488G band pass filter 12KHz to 20MHz RMS R
77. This test step is in progress NODATA This test step lacks valid data SOURce JITTer COMPliance RESults TIME This query returns the start time of the test associated with the current test result values The time is returned as six NR1 values for year month day hour minute and second respectively If there is no valid current test result data the six values are returned as 0 Syntax SOURce lt slot gt JITTer COMPliance RESults TIME 3 42 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SOURceJITTer COMPliance STATe This command starts or stops the execution of a jitter transfer or jitter tolerance compliance test The query form returns the current state of test execution Syntax SOURce lt slot gt JITTer COMPliance STATe SOURcesslot JITTer COMPliance STATe lt Enum gt Parameters Description RUN Start test command the test is running query response RUNCAL Start a calibration sequence for jitter transfer calibration is running query response END Stop the test or calibration sequence in progress COMPLETE The compliance test has finished query response only CALCOMP The calibration sequence has finished query response only INITFAIL The jitter tolerance test was unable to establish a no errors condition before applying jitter SOURce JITTer COMPliance TIME MEASur
78. Tolerance Settings dialog box shown in Figure 2 22 that selects the various test control parameters The Setting time point Meas time point Stimulus level and BER Threshold values are user selectable To change the value enter a new value by typing in the appropriate field The Set buttons copy the value from the Recommended threshold or Current measured BER displays to the BER Threshold field Edit Jitter Tolerance Test Settings xi Settling time point Meas time point 2 30 Stimulus level of mask BER Threshold 100 0 000e 000 Recommended threshold Set 6 67 e 007 Current measured BER Set 0 000e 000 cen Figure 2 22 Edit Jitter Tolerance Settings NOTE Before the Edit Settings dialog box can be changed the timing source for the SONET SDH transmitter module used for the test must be set to Jitter Otherwise the BER reading will be invalid If the timing source is not changed to Jitter a warning dialog box is displayed when the Edit Settings button is clicked Jitter Tolerance Mask The Edit Mask button opens the Edit Jitter Tolerance Mask dialog shown in Figure 2 23 with controls to define or modify the currently selected mask for user defined masks only and to select the number of measurement points OTS9200 User Manual 2 33 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface 2 34 Ed
79. a numeric value containing three individual control bits The query form returns the current setting Syntax SYSTem COMMunicate SERIal COM2A ECHO SYSTem COMMunicate SERIal COM2A ECHO lt NR1 gt Bitvalue Function 0 Disables 0 echo 1 Enables 1 echo 2 Causes the input terminator character to be echoed as CR LF 4 Enables input line buffering received characters are not processed until the terminating CR or LF SYSTem COMMunicate SERIal COM2A ENABle This command enables or disables the operation of serial port COM2 as a remote control port The query form returns the current setting Syntax SYSTem COMMunicate SERIal COM2A ENABle SYSTem COMMunicate SERIal COM2A ENABle Boolean SYSTem COMMunicate SERIal COM2A FLOW This command sets the type of flow control used for serial communications on the COM2 serial port When flow control is enabled the receiver signals the sender when its buffer is full so as not to lose characters The query form returns the current setting Syntax SYSTem COMMunicate SERIal COM2A FLOW SYSTem COMMunicate SERIal COM2A FLOW lt Enum gt Parameter Description NONE No flow control is enabled HARDware Flow control uses RS 232 control signals SOFTware Flow control uses XON and XOFF characters in the data stream 3 60 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Comma
80. able on 10 Hz and 50 KHz filters at 9953 28 Mb s 10 Hz and 12 kHz filters at 2488 32Mb s 622 08Mb s and 155 52Mb s Frequency Response of Measurement Function All high pass filters HPF are first order 20 dB dec All low pass filters LPF are third order 60 dB dec maximally flat HPF 3dB frequency GIN TEE lt 5 LPF 30B fTrequenCy ET 11096 Measurement filters meet or exceed requirements of ITU Recommendation O 172 Measurement Result Accuracy Peak to Peak Jitter Measurement eo lt 7 of reading 0 05 Ulp p RMS Jitter Measurement error ssssssseee emen lt 7 of reading 0 005UIrms A 6 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Specifications RECEIVER OUTPUT SPECIFICATIONS Recovered Clock Output Frequency Selection sssssssseseeeeene eene varies by line rate see table Voltage eye 600 mVpp to 1100 mVpp ele e EE AC coupled 500 SMA Line Rate Frequency selection 9953 28 Mb s 2 48832 GHz 622 08 MHz 2488 32 Mb s 2 48832 GHz 622 08 MHz 622 08 Mb s 622 08 MHz 155 52 Mb s 155 52 MHz Demodulated Output MAXIMUM volta T 1 0 Vpp 5 SIDE 1 Ulpp V to 4096 Ulpp V OUER Ee DC coupled 509 SMA CLOCK RECOVERY INPUT AND OUTPUT SPECIFICATIONS 10 GHz Clock Out Re 9953
81. abled for more viewing space if desired Laser Control bar Test Control bar system view Device Window Help Toolbar Ia i n 5 A Ae B E IA On ort An Lasers G In emme fan Tests G d EI seu LED Dil a OTSSIA1 10 Gb s Rx 1 OTSSIR2 10 Gb s Ed LED Navigation Window Window OTSSIT1 10 Gb s Tx 1 OTS91T2 10 Gb s Tektronix E Enabling Innovation L latter Error Test For Help press F1 a Ee Bees Client Lockout Status bar indicators Laser a Figure 2 6 Location of the elements of the User Interface 2 12 OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface m mun In e E TUE m A A A SELECT LED WINDOW LED PANEL NAVIGATION SYSTEM VIEW LASER TEST SCPI SERVER CONTROL BAR CONTROL Toolbar The toolbar provides easy access to different views and selections of the user interface The buttons on the toolbar provide a toggle between select server the LED window the module LED panel the system view the Navigation window the laser and test control bars and the SCPI output Each of these controls is discussed in further detail in later sections The presence of the toolbar can be toggled via the View menu Laser Control Bar Laser Control bar Test Control Bar LH fX On Off All Lasers s At P m P All Tests sl se The Laser Control bar provides the us
82. active Inactive Off Figure 2 39 Multiple Window View OTS9200 User Manual 2 49 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Results Files Every time a test is started data files are generated These files are stored on the C drive in a folder marked Tektronix Measurement Data To view these files from the user interface click on View and select Test Results Files The Results Viewer dialog box is displayed Refer to the Results Viewer description in this section for further information Results File Management As tests are run measurement data files accumulate in the Tektronix Measurement Data folder Once this folder becomes large from the quantity and size of the files overall system performance will suffer The OTS system provides a results file cleanup tool to assist in automatically managing these files NOTE By default the system will keep only the most recent 100 results files If there is a need to preserve all results files the user must explicitly disable results file cleanup before any tests are run To access the Results File Management tool click on the Systems menu and select Results File Management The Results File Deletion Parameters dialog box is displayed as shown in Figure 2 40 All cleanup parameters may be independently enabled or disabled by modifying the check box to the left of the
83. alog voltage As a result the processing of phase has remained limited in frequency amplitude and accuracy Some attempts to digitally time stamp signal edges don t act in real time and miss data The OTS9200 can measure phase by continuously time stamping every edge and generate phase by placing each edge individually OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Getting Started OTS928S1 Product Description The OTS92S1 Synchronization module supplies a reference clock to all test modules in the OTS system through the backplane This clock can be generated by the module s Stratum 3 internal crystal oscillator by recovering clock from the line signal of any receiver or by synchronizing to an external BITS or SETS reference or GPS clock thereby adding great flexibility to the user s synchronization needs The reference clock has a user selectable frequency offset capability to facilitate the generation of line offset for use in stress testing OTS92S1 Module Features and Capabilities e Loop timing e Internal timing e Synchronization to external clocks BITS SETS 2MHz 5MHz amp 10MHz e Fits in the same chassis as other OTS modules e Common user interface with all OTS products e User settable frequency offset capability e Windows 2000 compatible user interface e Direct user download of software updates e Meets current ITU and GR 253 standa
84. alue FAIL This test step failed BUSY This test step is in progress NODATA This test step lacks valid data OTS9200 and OTS92S1 User Manual 3 41 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SOURce JITTer COMPliance RESults FULL This query returns an integer count of points followed by the frequency stimulus level threshold value measured value and pass fail status for each specified measurement point of the current test The first parameter specifies the 1 based index of the first point to be returned and must be between 1 and the number of measurement points for the test The second optional parameter specifies the number of points to be returned if omitted the query returns data for a single point If more points are requested than are available only the available points data are returned Frequency values are returned in NR3 format other data values are returned in NR2 format The maximum number of measurement points of data returned by this query is 10 Use multiple queries to transfer more than that many data points Syntax SOURce lt slot gt JITTer COMPliance RESults FULL lt NR1 gt lt NR1 gt Parameters Description NOTRUN This test step has not yet run PASS This test step passed PASS LIMIT This test step passed with the stimulus level at the generator maximum value FAIL This test step failed BUSY
85. an explicit starting frequency and thus performing the jitter transfer test over only a part of the frequency range specified by the jitter transfer mask For this value to have an effect the Enable start freq limit check box must be checked Go Figure 2 27 Edit Jitter Transfer Settings OTS9200 User Manual 2 37 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Jitter Transfer Mask The Edit Mask button opens the Edit Jitter Transfer Mask dialog shown in Figure 2 28 with controls to define or modify the currently selected mask for user defined masks only and to select the number of measurement points The Number of measurement points field selects the number of points along the mask curve at which measurements are performed There must be at least as many points as the number of mask vertices The Mask name description field shows the name of the currently selected mask For user defined masks this field may be used to enter or modify the mask name The Associated stimulus mask name description field shows the name of the jitter tolerance mask that defines the stimulus for this jitter transfer mask For user defined masks this field may be used to enter or modify the stimulus mask name The Mask definition Segments field shows the coordinates of the end points vertices of the mask segments For user defined masks this field may
86. ance BER CURRent SOURce JITTer COMPliance TOLerance BER RECommended This query returns as a NR3 value a recommended bit error rate BER jitter tolerance threshold value based on the currently selected line rate condition monitored and signal structure Syntax SOURcesslot JITTer COMPliance TOLerance BER RECommended SOURce JITTer COMPliance TOLerance BER THReshold This command sets the bit error rate BER threshold for 1 dB optical power penalty jitter tolerance tests The query form returns the current setting Syntax SOURcesslot JITTer COMPliance TOLerance BER THReshold SOURCce lt slot gt JITTer COMPliance TOLerance BER THReshold lt NR3 gt SOURce JITTer COMPliance TOLerance CONDition This command sets the error condition to be monitored for jitter tolerance tests The query form returns the current setting Syntax SOURcesslot JITTer COMPliance TOLerance CONDition SOURcesslot JITTer COMPliance TOLerance CONDition lt Enum gt Parameters Description B1A B1 parity errors B2A B2 parity errors B3A B3 parity errors PAYLoad Payload pattern bit errors 3 44 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SOURceJITTer COMPliance TOLerance ONSET THReshold This command sets the errored seconds ES threshold for onset of errors jitter tolerance tests Th
87. ary OTS9200 User Manual 2 51 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface ResultsViewer 2 52 The OTS Results Viewer is a stand alone Windows program that reads the Test Results files from the OTS Test System It provides the following functionality Access to test results files either on the OTS system or on the file system of the computer that is running ResultsViewer Display of results data Cumulative Results Analysis and History with the same presentation as the OTS User Interface TekUI Printing of Cumulative Results and Analysis data and export of the same text to an ASCII text file or the Windows clipboard Export of Cumulative Results Analysis and History data in delimited ASCII text form to a file or to the Windows clipboard Printing of History data to a graphical form Copying results files to a directory on the local file system NOTE The results of a test are stored in two files with the same file name but different extensions One has extension sum summary information and one has the extension his history data Although ResultsViewer file selection operations involve only the sum file both files are used and must be present and in the same directory Therefore If you copy a test s results files to another computer or directory you must copy both the sum and the his files If you rename a
88. ating Basics section also includes sample applications Reference provides a brief overview of the syntax and format used for remote commands and provides explanations and listings of the remote commands that may be used with the OTS system and the jitter and synchronization modules The Appendices provide a listing of specifications default factory settings list of acronyms new information for the OTS91T3 and OTS91C3 cards and other useful information NOTE To support 10Gb s jitter generation the OTS91T3 and OTS91C3 cards must be used in place of the OTS91T2 OTS9ITI and OTS9ICI cards To support 10Gb s jitter measurement the 10Gb s Transmit card must be either OTS91T3 or OTS91T2 The OTS9ITI Transmit card does not support jitter OTS9200 and OTS92S1 User Manual xi Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Preface Conventions This manual uses the following conventions d t Li When referring to the modules and cards in a system the definitions are e A module is a technology solution incorporating a number of cards designed to work together to present the customer with a specific testing ability the generic module cannot be ordered the specific cards must be ordered e Acard is a subset of a module and refers to the individual orderable cards that are plugged into the chassis The names of front panel connectors and LEDs appear in the manual in
89. ation in the jitter measurement at the expense of a longer test time A jitter transfer test verifies that a network element generates or retransmits no more than an allowed fraction of the jitter it receives at its input Mask Selection The Mask dropdown list offers a choice of jitter tolerance masks applicable to the currently selected line rate Both standard fixed masks and user defined masks appear in this list Diplay Controls The Cursor buttons move the cursor to the various measurement points on the graph The window immediately below them displays the frequency mask value measured value and pass fail status of the current point The check boxes under Show offer options for the graph display o Grid shows or hides the frequency and amplitude annotations for the graph axes o Vertices shows or hides the coordinate display for the mask vertices o Connect enables or disables drawing a line between adjacent dots that show measured jitter transfer values Jitter Transfer Settings Clicking the Edit Settings button displays the zl Edit Jitter Transfer Settings dialog box shown in Figure 2 27 Stimulus level of mask The Stimulus Level field allows control of the von applied jitter level at which jitter transfer is measured The value is expressed as a percentage of the amplitude specified by the stimulus mask Start Frequency 10 Enable start frequency limit The Start Frequency field allows specifying
90. ation time r Action for qualifying files Delete C Move to directory Check for file deletion every fi 0 Minutes Cancel Figure 2 40 Results File Management dialog box The cleanup facility allows files to be moved or removed based on their absolute age the total number of files present or the total size of the files either in absolute megabytes or as a percentage of the total capacity of the disk The age of a file is determined based on the Delete files by oldest setting The number of files present counts sets of results data a summary file and its associated history file count as one results file set When enough files have been added to the list to meet all enabled limits the indicated files are either deleted or moved to the indicated directory If processing of a given file fails possibly due to file permissions or the destination directory being unavailable processing of files will proceed through the remainder of the list For a move to complete successfully the target directory must exist and be accessible to the OTS system If a move fails the system will simply retry the operation next time the cleanup process runs The final control in the dialog allows the user to control how frequently the cleanup process runs It is guaranteed that cleanup passes will occur no more frequently than specified here It is possible for the system to defer cleanup for a longer interval as necess
91. be used to enter or modify the vertex coordinates Examining the segment definitions of a standard mask is an effective way to become familiar with the format in which mask definitions are displayed and entered The Display control selects whether the response mask or stimulus mask is shown For user defined masks this control selects the mask currently open for editing The Show meas points check box enables or disables the display of dots at the frequencies of the selected measurement points The Copy Mask button which is enabled for user defined masks allows copying the response mask stimulus mask or both from a standard mask or another user defined mask OTS9200 User Manual 2 38 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Mask name description nz OC 192 Jitter Transfer Mask Associated stimulus mask name description Cancel GR 253 DC 182 Jitter Tolerance Requirement Mask E r Mask definition 6 Segments Enter as Freq Hz 01 12M 398 Number of measurement points Update Ampl UI T Add extra measurement points Points Enter as Freq Hz 25 50 75 Update a Display Stimulus mask a Show meas points e Response mask Show generator limits Copy Mask SE Measurement Point 1 of 8 ES 10 Stimulus Ampl 15 000 Gain 0 100 dB 10 0 20 0 30 0 Figure 2
92. cable between the DC block on the OTS91R2 card and one end of the power splitter on Rx DATA OUT on the OTS91L1 card 8 Install a coax cable between the other end of the power splitter on Rx DATA OUT on the OTS91L1 card and 10Gb s DATA IN on the OTS92HI card Repas Ge NOTE Before testing ensure that both ends of the power splitter are always connected on both ends 9 Install a coax cable between 10GHz CLOCK OUT on the OTS92H1 card and 10GHz CLOCK IN on the OTS92R1 card 10 Ensure that 50 ohm terminator caps are used where appropriate NOTE It is recommended that 50 ohm terminator caps be affixed to the connectors in this configuration to increase protection against static discharge and to help reduce EMC emissions Ensure that the connectors for 2 5 GHz Jitter Clock IN and the 10GHz Jitter Clock Out located on the OTS92H1 Clock Recovery card are attached OTS9200 and OTS92S1 User Manual 1 11 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Getting Started OTS9100 10Gb s SONET SDH Module OTS921P Jitter Module 0C192 OC192 OC192 Clock Clock Jitter Optics Receive Transmit Trig Recovery Receive Se Hl SH sd Sen omen OTS91L1 OTS91R2 OTS91T3 OTS91C3 OTS92H1 OTS92R1 Q MODULE Q Q BE HE Q el Qo EVO LOCK 5 Rx LOCK H 9 STATUS STATUS Ormcr 155 MHz 9 uns Gaga Optical 10 Gb s IN Electrical Power splitter
93. cations manuals and documentation RENTALS ITAR CERTIFIED yop aed Contact us 888 88 SOURCE sales artisantg com www artisantg com
94. cator activates when a bit error occurs in the payload OTS9200 User Manual 2 16 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface LED Display Selection The LED window does not apply to the OTS9200 module except in the summary LED Display state and is included in this document as a reference to use for supporting OTS cards When supporting OTS cards are included in a configuration on the system the LED window reflect the activity of supporting OTS cards within the chassis in an active state eee ve The indicators displayed in the LED window may also be selected by using the pull down menu to select either All Summary or Selected Figure 2 9 reflects the LED Window for each of the LED Display selections If All is selected from the LED Display menu the indicators will activate if the defined condition for that indicator is present on any card in the system If Selected is chosen the Select button will activate a pop up menu allowing the user to select a set of receivers to be included in the display Status information will be displayed in the same fashion as the Display All mode This display configuration is useful in situations when the status of some receiver cards in the system is not of interest to the user If Summary is selected the LED Window displays three separate indicators for each receiver the user interface
95. ch the user specifies the location and name of a text file to receive the list of logged events Copy to Printer Clicking this button copies the list of logged events to the default Windows printer Note that this button is disabled if the currently selected logging mode is Display Print Clear Clicking this button clears the list of logged events Any events that haven t already been copied or printed are thus lost Selecting events to log Clicking the Select Events button brings up the Select Events to Monitor display as shown in Figure 2 45 which has one panel for each OTS receiver module Select Events to Monitor Close OTSSIR1 1 OTSS1R2 1 Slot 2 Slot 6 m Log Events r Log Events LOS LOF LOF SEF ISEF FAS FAS Bi Bl TIM S TMS AISL AISL B2 B2 RDIL RDIL REIL REIL app LOP P B3 RDLP REP TIMP UNEG P PLMP T Lee Bit Error Figure 2 45 Select Events to Monitor dialog box Checking a check box on a receiver s panel enables logging for the corresponding event on that receiver The events selected are saved in persistent storage on the OTS system and are restored when the Event Printer application is next started 2 58 OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Mut
96. configuration When the server connection is established the user interface automatically scans for loaded hardware and displays the appropriate folders and icons for the hardware on that server For example in the following figures the sample screens reflect two transmitters OTS91T1 10Gb s Tx 1 and OTS91T2 10Gb s Tx 1 three receivers OTS91R1 10Gb s Rx 1 OTS91R2 10Gb s Rx 1 and OTS92R1 Jitter Analyzer and one synchronization card OTS92S1 each with a separate icon Multiple icons of the same type provide the same screens but separate controls for each instrument The title bar across the top of the screen reflects the current selection NOTE Pay attention to the relationship between the icon selected in the Navigation window to the Title Bar When changing screen controls by clicking on a title in the Navigation window a device icon in the new window must be clicked to change the associated screen menu The title bar reflects the current menu selected If a new icon is not selected from the new navigation view the menu will still reflect the previous Navigation window selection For example the Navigation window may show the Signal Monitor icons when the currently selected menu is actually Setup OTS91T2 10Gb s Tx 1 Setup Menu 0TS91R1 10 Gb s Rx 1 LI cn OTS91R2 10 Gb s K CD OTS91T1 10 Gb s Tx 1 oo OTS91T2 10 Gb s Txt 1 cr OTS92A1 Jitter Analyzer 1 a oo 0759251 Synchronization
97. cription SONEt Set system to SONET signal mode SDH Set system to SDH signal mode BERT All modules are set to BERT OTS9200 and OTS92S1 User Manual 3 69 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SYSTem VERBose This command selects short or long form command headers in query responses The query form returns the current setting Long form responses are composed of the full header keywords short form responses use the abbreviated keywords Syntax SYSTem VERBose SYSTem VERBose Boolean TST This query returns a Boolean value representing self test results Syntax TST WAI This command waits for pending OTS9000 operations to finish before returning Syntax WAI 3 70 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Specifications This section contains the instrument specifications for the OTS9200 Jitter and OTS92S1 Synchronization modules OTS9200 Jitter module This section contains a complete listing of the OTS9200 Jitter module specifications Environmental Specifications TEMPERATURE RANGES Operating Temperature 5 C to 35 C Humidity 20 to 8096 relative humidity with a maximum wet bulb temperature of 28 C at or below 35 C Non condensing Upper limit de rates to 60 relative humidity at 35
98. d Always on top There are two differences between the LED Window and the module LED panel The module LED panel does not provide the LED display options all LEDs are always displayed In addition in the module LED panel mode all receiver LED panels are shown In the example in Figure 2 8 there are four receiver cards loaded an OTS91R1 OTS91R2 OTS92RI and an OTS93R and one synchronization card the OTS92S1 Observe that the LEDs shown are different for each card LED Display OTSSIR1 1 Q Signal Present Q Q Ero OTSS1R2 1 Signal Present Q Ero OTS92A1 1 9 Signal Present Q Ero OTS93A1 1 Signal Present Q Ero L Clear History oo ag FH cm WE G oooooooooo 200000000 NOTE For each card the user interface only displays the options available for that card If the options are not displayed then the option is not available for that particular card OTS9200 User Manual Figure 2 7 LED Summary Window Clear History T Always on top Slot 2 Slot 6 Slot 12 Slot 14 OTSSIR1 1 OTSS1R2 1 DTSS3R1 1 OTS92R1 1 Signal Q Signal Q Lock Status QO Los OO Los OO Los OO OF OO OF Q Q Jitter Hit OO stF QO SEF QO Fas OO Fas oo 8 OO pm QQ mus QQ ms OO alse OO as OO 82 QQ B2 OO ADIL OO ADIL OO REM QQ REM OO aer OO aer OO Lope OO Lope OO 83 OO 83 OO RiP OO RDP OO REIP OO REIP QQ TMP QQ TIMP OO UNEQP OO uNtaP OO PIMP OO PIMP OO Lss OO Les OO BitEnor OO BitEnor Figu
99. d Time C Time of Day r Rate Filter 9 953 Gb s i 20 kHz 80 MHz Wideband Figure 1 7 History menu showing a test in process TEST Control Title Bar The Test Control window is used to set up and run a test Click on summary icon to see summary of the tests Analysis Analysis does not apply to jitter testing 1 20 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Getting Started APS APS does not apply to jitter test Compliance title bar Several compliance test configurations have been predefined and incorporated into the Compliance tool to facilitate testing The predefined configurations have been based on standards in the industry There are three types of test possible Compliance screen standards have been preset and can not be altered Changes can only be entered through the User Defined Field testing for a particular filter running a longer test session this sort of customization can be achieved at this field Output jitter test tests how much jitter is being generated by the device under test and measures it Tolerance tests how much jitter can be tolerated by the device under test Transfer tests how much jitter is transferred through the device under test OTS9200 and OTS92S1 User Manual 1 21 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www a
100. d before removing or installing modules The OTS system does NOT support hot swap installations Damage will occur if modules are swapped with power applied A Remove the module from its packaging if necessary CAUTION AU modules are static sensitive When handling module cards ensure that personnel are properly grounded and module cards are always placed on anti static surfaces If proper precautions are not taken damage will occur B For those locations in which module cards are being installed remove the blanking panels and air diverters C Carefully install each module card into a slot in the mainframe Make sure that the module is lined up and fits cleanly with the connectors on the back plane of the mainframe CAUTION Beware of bending the pins of the connectors when installing and removing modules from the chassis Backplane connectors with bent pins will cause damage to the both the module card and the chassis To install the module cards slowly slide the card into the desired slot Make sure the card is lined up with the connectors and push down on the top release and up on the bottom release until the card snaps into place OTS9200 and OTS92S1 User Manual 1 5 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Getting Started D When the module card is in place tighten the two screws to secure it CAUTION Do not torque the screws with more
101. d on the active window s history tab Configuring ResultsViewer To configure the ResultsViewer click View and select Options An Options dialog box will appear in which the user may change the following options SONET or SDH conventions for parameter names Option to have ResultsViewer automatically connect to an OTS system on start up Option to have ResultsViewer display the Tektronix splash screen on start up Exporting test data to other programs ResultsViewer can export results data as either ASCII text primarily intended for documentation or delimited formatted ASCII text readable by spreadsheet programs Exporting text To export the test results file as text click on Export and select Summary text to File This option writes an ASCII file containing exactly the same information as the printed output of the Print Results command Summary text to Clipboard writes the same ASCII text to the Windows clipboard Summary Text Preview displays the same text in a pop up window Exporting numeric data Under the Export menu the Data to File selection writes a file of delimited ASCII data containing information selected by the user Data to Clipboard writes the same information to the Windows clipboard Data Preview displays the same text in a pop up window The following paragraphs describe the data available the formats and the process of configuring a file to contain the desired information OTS9200 User Manual 2 55
102. ds Command Description SYSTem COMMunicate SERIal COMI A ECHO This command controls for the COM1 serial port how the system echoes the characters it receives The parameter is a numeric value containing three individual control bits The query form returns the current setting Syntax SYSTem COMMunicate SERIal COM1A ECHO SYSTem COMMunicate SERIal COM1A ECHO lt NR1 gt Bitvalue Function 0 Disables echo 1 Enables echo 2 Causes the input terminator character to be echoed as CR LF 4 Enables input line buffering received characters are not processed until the terminating CR or LF SYSTem COMMunicate SERIal COMIA ENABle This command enables or disables the operation of serial port COM1 as a remote control port The query form returns the current setting Syntax SYSTem COMMunicate SERIal COM1A ENABle SYSTem COMMunicate SERIal COM1A ENABle Boolean SYSTem COMMunicate SERIal COMIA FLOW This command sets the type of flow control used for serial communications on the COM serial port When flow control is enabled the receiver signals the sender when its buffer is full so as not to lose characters The query form returns the current setting Syntax SYSTem COMMunicate SERIal COM1A FLOW SYSTem COMMunicate SERIal COM1A FLOW lt Enum gt Parameters Description NONE No flow control is enabled HARDware Flow control uses RS 232 control signals SOFTware Flow control uses XON and XOFF characters in the data str
103. ducts returned to any other locations This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and care Tektronix shall not be obligated to furnish service under warranty a to repair damage resulting from attempts by personnel other than Tektronix representatives to install repair or service the product b to repair damage resulting from improper user or connection to incompatible equipment or c to service a product that has been modified or integrated with other products when the effect of such modification or integration increases the time or difficulty of servicing the product THIS WARRANTY IS GIVEN BY TEKTRONIX WITH RESPECT TO THIS PRODUCT IN LIEU OF ANY OTHER WARRANTIES EXPRESSED OR IMPLIED TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE TEKTRONIX RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com rtisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com
104. e System Configuration Queries Save These commands provide the ability to query the modules installed in the OTS system to determine what configurations are installed system config module slots system config module type system config module version system config module variant system config module serial and Restore System Settings These commands provide the save and restore functionality for system level settings SAV RCL system description setup System File Management These commands define the necessary settings to allow the system to delete old files thus preventing performance degradation due to lack of memory system files mgmt results General OTS Commands These commands relate to the whole OTS system and are standard across all OTS modules and systems Signal standard system signal standard Synchronization commands OTS92S1 module Reference clock sync clock reference Synchronization clock frequency offset sync clock offset Synchronization module status sync clock status OTS9200 and OTS92S1 User Manual 3 3 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Commands Overview Jitter Generation Commands OTS9200 module These commands provide configuration and control of the jitter generation settings Jitter generation timing source Jitter generation line rate Jitter frequency and amplitude Jitter on o
105. e This command sets the measurement time per point for jitter transfer and jitter tolerance tests The query form returns the current setting Syntax SOURce lt slot gt JITTer COMPliance TIME MEASure SOURCcesslot JITTer COMPliance TIME MEASure lt NR1 gt SOURce JITTer COMPliance TIME SETTIe This command sets the settling time per point i e the time between when jitter is applied and when a measurement starts for jitter transfer and jitter tolerance tests The query form returns the current setting Syntax SOURce lt slot gt JITTer COMPliance TIME SET Tle SOURCce lt slot gt JITTer COMPliance TIME SETTle lt NR1 gt SOURce JITTer COMPliance TOLerance AMPLitude This command takes a NR1 value that specifies as a percentage of the mask value at a given frequency the applied stimulus level for a jitter tolerance acceptance test The query form returns the current setting Syntax SOURcesslot JITTer COMPliance TOLerance AMPLitude SOURCcesslot JITTer COMPliance TOLerance AMPLitude lt NR1 gt OTS9200 and OTS92S1 User Manual 3 43 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SOURce JITTer COMPliance TOLerance BER CURRent This query returns as a NR3 value the bit error rate BER currently measured by the associated line receiver module Syntax SOURcesslot JITTer COMPliance TOLer
106. e fuse type and rating specified for this product Avoid Exposed Circuitry Do not touch exposed connections and components when power is present OTS9200 and OTS92S1 User Manual vii Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com General Safety Summary viii Do Not Operate With Suspected Failures If you suspect there is damage to this product have it inspected by qualified service personnel Do not operate in Wet Damp Conditions To avoid electric shock do not operate this product in wet or damp conditions Do Not Operate in Explosive Atmosphere To avoid injury or fire hazard do not operate this product in an explosive atmosphere Wear Eye Protection To avoid eye injury wear eye protections if there is a possibility of exposure to high intensity rays Keep Product Surfaces Clean and Dry Provide Proper Ventilation Refer to the manual s installation instructions for details on installing the product so it has proper ventilation OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Safety Summary Safety Terms and Symbols Terms in this Manual These terms may appear in this manual Icon Label Meaning Warning statements identify conditions or practices that AN WARNING could result in injury or loss of life Caution statements identify conditions or practices that AN CAU
107. e query form returns the current setting Syntax SOURce lt slot gt JITTer COMPliance TOLerance ONSET THReshold SOURCcesslot JITTer COMPliance TOLerance ONSET THReshold lt NR1 gt SOURceJITTer COMPliance TOLerance SEARch METHod This command sets the particular search method used to measure jitter tolerance The query form returns the current setting Syntax SOURce lt slot gt JITTer COMPliance TOLerance SEARch METHod SOURce lt slot gt JITTer COMPliance TOLerance SEARch METHod lt Enum gt Parameters Description INCRease Increase jitter amplitude from 0 using binary search to find highest jitter tolerated by a device in normal operation DECRease Decrease jitter amplitude from maximum using binary search to find highest jitter from which a device making errors will recover LIN Incr Increase jitter amplitude from O using linear search to find highest jitter tolerated by a device in normal operation SOURceJITTer COMPliance TOLerance SEARch RESolution This command sets as a percentage of the stimulus mask value the minimum step size for the jitter tolerance measurement When the step size reaches this value the search terminates and returns the highest measured passing value The query form returns the current setting Syntax SOURce lt slot gt JITTer COMPliance TOLerance SEARch RESolution SOURCcesslot JITTer COMPliance TOLerance SEARch RESolution lt NR1 gt OTS9200 and OTS92S1 User Manual 3 45 Artisan T
108. e shown as red dots If a measurement s applied jitter amplitude is limited by the maximum capability of the jitter generator it is marked at source limit in the status field and it is shown as a green or red dot with a black center and if space permits the word LIMIT next to or below it The frequency jitter transfer threshold value measured jitter transfer value and pass fail status for each point is shown in the window below the graph These values also appear in the Cursor window for the point at the cursor Saving Results To save the results of the test Bee Text separated by spaces when completed click the PIDE Save Results button to open a C Spreadsheet format separated by commas CE C t Cli b d di l C Spreadsheet format separated by tabs opy o Ip oar la og as C Graphical plot of mask and results shown in Figure 2 30 Iv Include test information in graph caption From here you can save the pose arene Gee ie test results to a file or copy Te UN e s them to the Windows S Transfer Fast Uncalibrated GR 253 0C 192 Jitter Transfer Mask Clipboard The results may be saved as text formatted with spaces or tabs as comma separated data or as a bitmap image of the graphical display Figure 2 30 Copy to Clipboard dialog OTS9200 User Manual 2 41 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Remote Access S
109. e slot number between 1 and 16 and returns the module variant as a decimal number or 0 if there is no variant information Variant is the module sub type for example the Optics card may be a Transceiver Transmit only or Receive only version Syntax SYSTem CONFig MODule VARIANT NR1 SSYSTem CONFig MODule VERSion This query accepts a module slot number between 1 and 16 and returns the version information associated with the Tektronix module in the specified slot The string returned has the format Mnn nn Unn nn Dnn nn Xnn nn Fnn nn and contains major and minor version numbers for the module itself and its utility driver FPGA file and firmware Fields that are not applicable to the particular module are returned as O If the specified slot does not contain an OTS system module this query returns an error Syntax SYSTem CONFig MODule VERSion lt NR1 gt SSYSTem CONFig SLOTs This query returns as a NR1 parameter the number of module slots in the system Syntax SYSTem CONFig SLOTs SYSTem DESCription SETUp This command sets a text string that is stored with the current system settings and which may be used to annotate or identify the instrument setup The query form returns the current setting Syntax SYSTem DESCription SETUp SYSTem DESCription SETUp String 3 64 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Refer
110. eam 3 56 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SYSTem COMMunicate SERIal COMIA NDATA This command sets the number of data bits per character on the COM1 serial port The query form returns the current setting Syntax SYSTem COMMunicate SERIal COM 1A NDATA SYSTem COMMunicate SERIal COM1A NDATA lt Enum gt Parameters Description N7A Seven bit data N8A Eight bit data SYSTem COMMunicate SERIal COMIA NSTOP This command sets the number of stop bits per character on the COM1 serial port The query form returns the current setting Syntax SYSTem COMMunicate SERIal COM1A NSTOP SYSTem COMMunicate SERIal COM1A NSTOP lt Enum gt Parameters Description N1A One stop bit N1P5A One and one half stop bits N2 Two stop bits SYSTem COMMunicate SERIal COMI A PARIty This command sets for the COM1 serial port the function of the high order eighth bit in each serial The query form returns the current setting Syntax SYSTem COMMunicate SERIal COM1A PARIty SYSTem COMMunicate SERIal COM1A PARIty lt Enum gt Parameters Description NONE No parity ODD Odd parity EVEN Even parity MARK The parity bit is always set SPACE The parity bit is always clear OTS9200 and OTS92S1 User Manual 3 57 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOU
111. easurement Results section of the module user manual for detailed information of the data presented Results iewer data_1002_00_001 sum 10 Gb Rx 1 19 Jul 2001 10 19 File Export View Window Help data_1002_00_001 sum 10 Gb Rx 1 19 Jul 2001 10 19 Cumulative Analysis History 10 Gb Rx 1 Test Start time 19 Jul 2001 10 19 23 End time 19 Jul 2001 10 19 26 Elapsed time 00 00 03 r Measurement Results Eror Errored Seconds Error Counts Error Ratios LOS LOF SEF TIM S AIS L RDIL J 0 Figure 2 42 Cumulative Results screen of the ResultsViewer Fas J D I D I 0 00e 000 B1 nl D I 0 00e 000 B2 ii B 00e 000 BRL l 0 00e 000 OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Selecting and arranging windows The Window menu in the ResultsViewer contains the usual commands to close cascade tile and otherwise arrange windows It also contains a list of windows for all open files and this list provides direct access to any window Printing results data All Print controls are located under the File menu The Print Setup option allows selecting a printer even when no files are open Print Results prints a report displaying all the parameters of the Cumulative Data and Analysis pages Print History Graphics prints a page showing the same information as is displaye
112. echnology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SOURceJITTer COMPliance TRANsfer AMPLitude This command takes a NR1 value that specifies as a percentage of the mask value at a given frequency the applied stimulus level for a jitter transfer test The query form returns the current setting Syntax SOURcesslot JITTer COMPliance TRANsfer AMPLitude SOURCcesslot JITTer COMPliance TRANsfer AMPLitude lt NR1 gt SOURceJITTer COMPliance TRANsfer CALState This query returns a Boolean value that is 1 when valid jitter transfer calibration data exists for the current instrument settings O when there is no valid calibration data Syntax SOURcesslot JITTer COMPliance TRANsfer CALState SOURce JITTer COMPliance TRANsfer FMIN This command sets the starting minimum frequency for a jitter transfer test used when the corresponding enable function SOURce JITTer COMPliance TRANsfer FMIN ENABle is true The query form returns the current setting Syntax SOURce lt slot gt JITTer COMPliance TRANsfer FMIN SOURCesslot JITTer COMPliance TRANsfer FMIN lt NR2 gt SOURceJITTer COMPliance TRANsfer FMIN ENABle This command enables the use of a partial frequency range for jitter transfer tests When this function is enabled jitter transfer tests start at the frequency set by the SOURCe JITTer COMPliance TRANsfer F
113. ecovered Clock is rate dependent Choosing any rate will change its corresponding settings Jitter can be turned on or off by using the Start Jitter button located on the transmitter setup menu e Click on the Start Jitter button to turn jitter on e When the Start Jitter button is activated the status menu will display Jitter ACTIVE Active Inactive Continue with the setup process of additional functions or conduct a jitter test at this point OTS9200 and OTS92S1 User Manual 1 17 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Getting Started To conduct a jitter test select the E icon from the toolbar At 00 Ela Tests sl Measurement Title bar In the Navigation window click on the Measurement Title bar then click on the receiver icon to select the OTS92R1 Real Time Tab The Real Time window measures signal data based on a sliding window This window is a block of time under test by the system The test records a series of time blocks consecutively and continuously until the predetermined quantity to test is completed The window status is valid when there are no errors if errors are present troubleshoot the device Cumulative Tab Cumulative works on a sliding window measurement of time similar to Real Time The following readings are displayed Rate Filter Test Elapsed Time Window Size can be set from a range of 2 seconds up to 120 seconds
114. ence Remote Commands Command Description SYSTem ERRor This query returns as a string parameter the next event in the Error and Event Queue The ESR query must be given before events occuring since the last ESR query can be read Syntax SYSTem ERRor SSYSTem FILEs MGMT RESUIts AGE This command sets the maximum age of a file a delta of file creation time and current system time Files at this age or older are deleted on the next revisit as set by INTErval This command takes three comma separated parameters Days Hrs Mins The query form returns the current setting in the same form Syntax SYSTem FILEs MGMT RESUIts AGE SYSTem FILEs MGMT RESUIts AGE lt NR1 gt lt NR1 gt lt NR1 gt SYSTem FILEs MGMT RESUIts COUNt This command sets the maximum number of result files allowed before deletion begins The order in which files are deleted is based on the sort criteria see the SORT command below The query form returns the current setting Syntax SYSTem FILEs MGMT RESUIts COUNt SYSTem FILEs MGMT RESUIts COUNt lt NR1 gt SYSTem FILEs MGMT RESUlIts DESTination This command defines the path to the files to be deleted This command requires the full path including drive letter The query form returns the current directory path marked for deletion Syntax SYSTem FILEs MGMT RESUIts DESTination SYSTem FILEs MGMT RESUIts DESTination String OTS9200 and OTS92S1 User Manual 3 65 Artisan Technology Grou
115. eneration line rate The query SOURce JITTer BUSY should be used to determine when the operation has completed The query form returns the current setting Syntax SOURce lt slot gt JITTer RATE SOURce lt slot gt JITTer RATE lt Enum gt Parameters Description G10A 9 953 Gb s OC 192 or STM 64 G2P5A 2 488 Gb s OC 48 or STM 16 M622A 622 08 Mb s OC 12 or STM 4 M155A 155 52 Mb s OC 3 or STM 1 OTS9200 and OTS92S1 User Manual 3 47 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SOURce JITTer SIGNal This command sets the jitter generation frequency and amplitude The parameters appear in the order frequency amplitude The query SOURce JITTer BUSY is used to determine when the operation has completed The query form returns both frequency and amplitude in that order Syntax SOURce lt slot gt JITTer SIGNal SOURce lt slot gt JITTer SIGNal lt NR3 gt lt NR2 gt SOUR ce JITTer SIGNal RANGe AMPLitude This query returns the minimum and maximum jitter amplitude values in NR2 format Syntax SOURce lt slot gt JITTer SIGNal RANGe AMPLitude SOURce JITTer SIGNal RANGe FREQuency This query returns the minimum and maximum jitter frequency values in NR2 format Syntax SOURce lt slot gt JITTer SIGNal RANGe FREQuency SOURce JITTer STATe This command starts or stops the generation of jitter The que
116. er with software control over the laser Use the pull down menu to select which laser to activate or deactivate Click the On button to turn on the selected laser Click the Off button to turn off the selected laser Click the button to close the bar or use the View menu to activate the bar When the button is clicked the Setup Summary is displayed Test Control Bar The Test Control bar provides the controls to start stop pause and continue the test If multiple cards are present the test control bar also allows the user to choose the specific card under test by use of the pull down menu The Test Control bar may be activated via the View menu or from the At toggle button on the toolbar NOTE Changing parameters while a test is in progress may cause invalid errors OTS9200 User Manual 2 13 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Main Status Bar Client Lockout Main Status Bar emeng Jitter Error Test Laser Inactive Inactive Inactive Off The main status bar provides a summary status of the laser test error insertion and jitter transmit states of all modules Laser Off If any laser is active in the system the status bar will change from Laser Off to a Laser On warning If the laser is not in use the Laser Off message is displayed on a background of gray Test If a test is active
117. es the measured jitter tolerance for that frequency Tolerance Test Condition The Tolerance Test Condition dropdown list offers a choice of the four bit error conditions that may be monitored for jitter tolerance testing Bit error conditions available are B1 B2 B3 and Payload Bit Mask Selection The Mask dropdown list offers a choice of jitter tolerance masks applicable to the currently selected line rate Both standard fixed masks and user defined masks appear in this list 2 32 OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Display Controls The Cursor buttons move the cursor to the various measurement points on the graph The window immediately below them displays the frequency mask value measured value and pass fail status of the current point The check boxes under Show offer options for the graph display o Grid shows or hides the frequency and amplitude annotations for the graph axes Vertices shows or hides the coordinate display for the mask vertices 0 o Gen shows or hides a display of the maximum amplitude capability of the jitter generator 0 Connect enables or disables drawing a line between adjacent dots that show measured jitter tolerance values This function is not applicable to acceptance tests Jitter Tolerance Settings Clicking the Edit Settings button displays the Edit Jitter
118. etups The remote control settings for selecting GPIB RS 232 and Ethernet LAN controls are located under the menu bar in the System menu Click on the System menu and select Remote Control The Remote Control Settings dialog box is displayed Across the top are tabs for COMI COM2 and Telnet as shown in Figures 2 31 and 2 32 To set up the proper configurations for the type of remote access desired select the appropriate setup information via the pull down menus and boxes provided Remote Control Settings v ur EN Figure 2 31 COM 1 COM 2 Remote Control Settings Remote Control Settings Figure 2 32 Telnet network Remote Control Settings 2 42 OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Select Server The select server dialog box as shown in Figure 2 33 allows the user to select the server when the OTS system is networked If there are no networks available the only selection is LocalServer Select Tektronix Measurement Server E LocalServer Status Connected Disconnect Close Figure 2 33 Select Server dialog box OTS9200 User Manual 2 43 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface View Options To open the options menu as shown in Figure 2 34 click Vie
119. etween 10GHz CLOCK OUT on the OTS92HI card and 10GHz CLOCK IN on the OTS92R1 card 11 Install a coax cable between 2 5GHz JITTER CLOCK IN on the OTS92HI card and 2 5GHz JITTER A CLOCK OUT on the OTS92T1 card 12 Ensure 50 ohm terminator caps are affixed NOTE It is recommended that 50 ohm terminator caps be affixed to two connectors in this configuration to increase protection against static discharge and to help reduce EMC emissions Ensure that the terminator cap for Received Data IN located on the OTS92R1 Jitter Receive card and the connector for 2 5GHz Jitter B Clock Out located on the OTS92T1 Jitter Transmit card are attached OTS9100 10Gb s SONET SDH Module OTS9210 10Gb s Jitter Module OC192 OC192 OC192 Clock Clock Jitter Jitter Optics Receive Transmit Trig Recovery Receive Transmit OTS931L1 OTS91R2 OTS91T3 OTS91C3 OTS92H1 OTS92R1 Sege MODLLE MODULE MODULE MODULE MODULE MODULE Q x 9 ok Q ok o Q ok ok Qs Q RxLOCK LOCK STATUS 9 LOCK STATUS 9 STATUS Q erect a hate TxLOck EXT CLOCK IN STATUS OPTICAL IN d Optical 10 Gb s IN E 50 ohm Terminator Caps Optical 10Gb s OUT DC Block ZB e SLR REC JITTER Rx JITTER Tx Figure 1 1 Interconnection diagram for OTS 10Gb s Jitter Testing OTS9200 and OTS92S1 User Manual 1 9 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisant
120. ff Jitter generation status source jitter clock source source jitter rate source jitter signal source jitter state source jitter busy source jitter lock Jitter Analyzer Setup Commands OTS9200 module These commands provide configuration and control of the jitter analyzer settings Jitter analyzer line rate Filter selection Jitter hit threshold Recovered clock output Jitter analyzer status sense jitter rate sense jitter filter sense jitter hit threshold sense jitter recovered rate sense jitter output range sense jitter busy Jitter Analyzer Test Control OTS9200 module 3 4 These commands provide test control information Test execution continuous timed repetitive Timed test duration Test annotation text Test start stop and run state query Test elapsed time query Artisan Technology Group Quality Instrumentation for the jitter analyzer sense jitter test mode sense jitter test time sense jitter test description sense jitter test state sense jitter test time elapsed OTS9200 and OTS92S1 User Manual Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Commands Overview Jitter Measurement Commands OTS9200 module These commands are queries that return the measured values real time The Windowed queries also provide a few control functions Real time measurements Windowed measurements Cumulative measurements Curre
121. filter 1KHz to 5MHz Wide band Peak to peak measurement 622 08M band pass filter 12KHz to 5MHz RMS Peak to peak measurement 622 08M band pass filter 12KHz to 5MHz RMS RMS measurement 622 08M band pass filter 250KHz to 5MHz High band Peak to peak measurement 155 52M band pass filter 500Hz to 1 3MHz Wide band Peak to peak measurement 155 52M band pass filter 12kHz to 1 3MHz RMS Peak to peak measurement 155 52M band pass filter 12kHz to 1 3MHz RMS RMS measurement 155 52M band pass filter 65HKz to 1 3MHz High band Peak to peak measurement SENSe JITTer COMPliance OUTPut OUTCome This query returns the status of the current output jitter compliance test Syntax SENSesslot JITTer COMPliance OUTPut OUTCome Parameters Description NOTRUN This test step has not yet run PASS This test step passed FAIL This test step failed BUSY This test step is in progress OTS9200 and OTS92S1 User Manual 3 21 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SENSe JITTer COMPliance OUTPut PROGress This query returns two NR1 values The first is the 1 based index of the filter on which a measurement is currently being performed The second is the elapsed time in seconds for that measurement Together these numbers give an indication of the progress of the output jitter compliance test Syntax SENSesslot JITTer COMPlia
122. form takes a mask specifier starting index and count of points and returns the specified number of frequency values starting at the specified index Setting the highest numbered point causes the array of frequency points to be sorted in order of ascending frequency When setting the frequency values for extra measurement points the controlling application should thus set the highest numbered point last Syntax SOURce lt slot gt JITTer COMPliance MASK EPOints lt Enum gt lt NR1 gt lt NR1 gt SOURce lt slot gt JITTer COMPliance MASK EPOints lt Enum gt lt NR1 gt lt NR1 gt lt NR3 gt lt NR3 gt Parameters Description CURRent The currently selected Jitter Transfer or Jitter Tolerance Mask GR253TL GR 253 Jitter Tolerance Mask GR253REQTL GR 253 Jitter Tolerance Requirement Mask GR2530BJTL GR 253 Jitter Tolerance Objective Mask G877TL GR 1377 Jitter Tolerance Mask Obsolete Standard G825NET1P5TL G 825 Jitter Tolerance Mask 1 544 kbits s networks G825NET2TL G 825 Jitter Tolerance Mask 2 048 kbits s networks G958TYPEATL G 958 Jitter Tolerance Mask Type A G958TYPEBTL G 958 Jitter Tolerance Mask Type B USER1TL User Defined Jitter Tolerance Mask 1 USER2TL User Defined Jitter Tolerance Mask 2 USER3TL User Defined Jitter Tolerance Mask 3 USER4TL User Defined Jitter Tolerance Mask 4 USERBTL User Defined Jitter Tolerance Mask 5 GR253TR GR 253 Jitter Transfer Mask G783A1P5TR G 783 Type A Jitter Transfer Mask 1 544 kbits s netw
123. g blocks in binary format The block in the example above would be in hex format 2326162636465464748494A6B6C6D6E6F 70 where 232 is the prefix for a 32 character block 61 is the hexadecimal representation of a the first character in the block 62 is the hexadecimal representation of b and so on Note that the block s count of data bytes is doubled representing twice as much data as in the binary format block The OTS system must be explicitly set to transmit or receive blocks in binary or hex block format See the description of the command 3 8 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Syntax SCPI Commands and Queries SCPI is a standard that provides guidelines for remote programming of instruments These guidelines provide a consistent programming environment for instrument control and data usage This environment uses defined programming messages instrument responses and data format across all SCPI instruments regardless of manufacturer The OTS system uses a command language derived from this SCPI standard The SCPI language is based on a hierarchical tree structure as shown in Figure 3 1 that represents a subsystem The top level of the tree is the root node it is followed by one or more lower level nodes SENSe Root node Lower level M
124. g com Getting Started Multi Rate Jitter Configuration The OTS9225 configuration supports only Jitter testing for signal rates of 2 5Gb s OC 48 622Mb s OC 12 and 155Mb s OC 3 The combination of the OTS9300 multi rate module with the OTS9225 Jitter module provides a solution developed to support testing of jitter at different signal rates one rate at a time To connect the OTS9300 and OTS9225 modules for multi rate jitter testing the following interconnections must be installed as shown in Figure 1 2 1 Install a coax cable between 2 5G CLK IN on the OTS93TI card and 2 5GHz JITTER B CLOCK OUT on the OTS92T1 card 2 Install a coax cable between RECEIVED DATA OUT on the OTS93RI card and RECEIVED DATA IN on the OTS92R1 card 3 Ensure 50 ohm terminator caps are affixed NOTE It is recommended that 50 ohm terminator caps be affixed to two connectors in this configuration to increase protection against static discharge and to help reduce EMC emissions Ensure that the terminator cap for 10GHz Clock IN located on the OTS92R1 Jitter Receive card and the connector for 2 5GHz Jitter A Clock Out located on the OTS92T1 Jitter Transmit card are in place OTS9300 Multi rate Module OTS9225 Jitter Module 0C48 12 3 OC48 12 3 Jitter Jitter Transmit Receive Receive Transmit OTS93K1 OTS93T1 ors92K1 ors92 i MODULE MODULE MODULE ica Qo oK Lock LOCK CJE H sravus status Q DEFECT BUET Rx EVENT
125. g com Index Time Axis 2 30 31 Timing Source 2 22 Time stamps 1 3 Title bar 2 21 36 45 Tolerance 1 27 31 33 Toolbar 2 15 Transfer 1 27 34 Transmitter 2 21 22 24 Transmitter Configuration 1 19 Tx DATA OUT 1 11 15 Transmitter icon 2 21 Index A U Upper Trace Parameters 1 26 2 30 User interface 1 2 4 18 User defined 2 32 2 13 to 19 21 35 36 39 40 41 43 55 V View Options 2 35 Viewing Results Files 2 45 Ww Windowed 1 24 25 Windows 2000 1 2 4 6 7 13 17 18 40 46 55 to 57 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com A rtisan Artisan Technology Group is your source for quality Fra op new and certified used pre owned equipment FAST SHIPPING AND SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT DELIVERY Experienced engineers and technicians on staff Sell your excess underutilized and idle used equipment TENS OF THOUSANDS OF at our full service in house repair center We also offer credit for buy backs and trade ins IN STOCK ITEMS www artisantg com WeBuyEquipment EQUIPMENT DEMOS HUNDREDS OF InstraV ea REMOTE INSPECTION LOOKING FOR MORE INFORMATION MANUFACTURERS Remotely inspect equipment before purchasing with Visit us on the web at www artisantg com 7 for more our interactive website at www instraview com 7 information on price quotations drivers technical LEASING MONTHLY specifi
126. gi Sig Tim Setup OTS83R jj Ac 2 5 Gb s Tuer Sio DI Setup Summar Signal Monitor Acti Signal Monitor OTS91R2 10 6 Test Control OTS91R2 10 6 System view Device win IESSE EE OTS81R1 1 Setup Signal Monitor Measurements Analysis System view Device Wir le E Tears EE OTS91A1 10 GH Si Rx 1 Setup OTSS1R1 10 GH Ou Rx 1 Signal Monitor OTS91A1 10 6 Rx 1 Test Co OTS91A1 10 GH Rx 1 Measurements OTSS1A1 10 GH OTS91R2 10 GH Rix 1 Setup OTSS1R2 10 GH Rx 1 Signal Monitor OTSSIR2 Dor 1 Test Control OTS91R2 10 GH Box HI Measurements OTSS1R2 10 GH Fix 1 Analysi OTS91R2 10 GH OTS91T1 10 GH Tx 1 Setup OTSS1T2 10 GH Tx 1 Setup summary SES For Help press F1 For Help press F1 For Help press F1 For Help press F1 By FUNCTION By FUNCTION Group Devices By DEVICE By DEVICE Group Devices OFF OFF Figure 2 36 Navigation Mode By Device and By Function 2 46 OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface System View A system view is available by clicking View and selecting System View This view as shown in i Figure 2 37 represents all modules currently installed in the OTS system The System View reflects the name of each module card and its slot position This feature
127. grades OTS90UW2K OTS90U128 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Windows 2000 upgrade 128MB RAM upgrade for the OTS9000 chassis OTS9200 and OTS92S1 User Manual Getting Started First Operation OTS9200 and OTS92S1 Card Installation This procedure gives proper instructions on installing module cards Before installing the module verify that the OTS system is properly set up and powered OFF as instructed in Steps 1 through 3 below l 2 3 4 A A Remove the unit from its shipping carton and place it on an anti static surface NOTE Save all shipping cartons from OTS products If returning the instrument is necessary you will be required to ship them in their original shipping cartons Verify that the operating environment is within the limits detailed under the Environmental Requirement section in this manual Allow approximately 2 inches 5 cm clearance for cooling The OTS9000 requires this clearance for the front and rear of the unit The OTS9010 OTS9030 and OTS9040 require cooling clearance on the left and right sides of the unit Install all required module cards into the chassis If the module cards are not already installed perform the following steps CAUTION When installing and removing modules from the chassis power must not be present Ensure that all power switches are in the OFF position and power cords are not installe
128. has identified The indicators reflect the signal present along with current and historical error status for each receiver individually SE E LED Display All LED Display LED Selection 4 vjOTSS1R1 1 TSS1R2 1 LED Display JI Signal Present OTSSIR1 1 Q Signal Present 0TS93A1 1 Q Los 9 Signal Present Q Q Los SC Q Q Ero LOF Q Fas OTSS1R2 1 Q B Signal Present Tims Ero OTS92A1 1 Signal Present Q Ero a DTSS3R1 1 G S B3 Signal Present p3 T Q Ero RDI P REI P REIP TIM P z TIMP Clear Hist UNEQ P lear History UNED P e 000000000 06000 00000 E 0000000000 0000 2 Bit Error Clear History Bit Error Clear History All Summary Selected LED Selection dialog box Figure 2 9 LED Display selection options OTS9200 User Manual 2 17 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Navigation Window gt The Navigation window provides the ability to set up monitor and test the og module and to view the test results The Navigation window has selection bars for setup signal monitor test control measurements analysis APS measurement and compliance Each of these bars provides a number of additional configuration and control options The Navigation bar is adaptive Entries are added depending on the system
129. hnology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Syntax Parameter types and formats Parameter values may be of several different types e g integer numbers floating point numbers selections from a list of particular values strings etc The following are the parameter types that appear in OTS system remote control commands NRI lt NR2 gt lt NR3 gt An integer number A decimal number with integer and or fractional parts e g 12 43 A decimal number in scientific notation e g 1 243E1 NOTE A command parameter value specified as lt NR2 gt or lt NR3 gt may be entered in either standard or scientific notation formats A query will return its value in the format indicated lt Enum gt lt Boolean gt lt String gt 3 10 A selection from an enumerated list of values that appear as alphanumeric keywords usually with a mnemonic value For example the command that specifies the payload inserted into the generated signal appears as SOURCE DATA PAYLOAD PATTERN lt Enum gt followed by a list of possible values PRBS23A Standard PRBS 27 1 pattern PRBS23I Inverted PRBS 27 1 pattern ZEROS Constant zero data ONES Constant one data The command must include one of these values the corresponding query returns one of these values corresponding to the instrument s current setting A binary value that typically indicates whethe
130. ile Management nea mee ber rem iet vepres ivoire 3 3 General OTS eu E EE 3 3 Synchronization commands OTS92S1 module sese 3 3 Jitter Generation Commands OTS9200 module ene 3 4 Jitter Analyzer Setup Commands OTS9200 Module eee 3 4 Jitter Analyzer Test Control OTS9200 module sese 3 4 Jitter Measurement Commands OTS9200 module seen 3 5 Output Jitter Compliance Test Commands OTS9200 module sess 3 5 Jitter Transfer amp Tolerance Compliance Test Commands OTS9200 module 3 6 coq 3 7 IEEE 488 2 Common Commandes sss emere nennen nnns 3 7 Description 3 7 Command and Query Gtruchre eene ener ener enne 3 7 lle digest 3 8 Hex Block Format T ieee 3 8 SCPI Commands and Queries aae eseeeee ee iite nennen nnns tht ansia 3 9 Command FORMAL icti ated aede ud ro ideae e Mte ea B d eausa dud aaa nd goce ud dia 3 9 Query format cnp ced deve eed dae ea avd ep ite bd Eae d e FER Ea Le does RA Hd deo poa 3 9 Parameter types and formats mener enne nennen 3 10 Optional and alternative parameters enne nnne 3 11 Abbreviating Commands Queries and Parameiers sss 3 12 Controlling Responses to Queries enne 3 12 Chaining Commands and Queries nennen aA 3 13 EREECHEN 3 14 DIOL SpeoIflers tuii iet geheekelt 3 14 OTS9200 and OTS92S1 User Man
131. ing Event Printer behavior with continuous events When Event Printer logs events in five consecutive seconds it follows the last event with the words MUTE ON and suppresses further logging When a one second interval occurs in which no loggable events occur Event Printer logs the event as MUTE OFF and resumes normal event logging Minimizing the Event Printer window The Event Printer application may be minimized so that its window is not displayed but its button is visible in the Windows Taskbar It continues to log events while minimized Exiting the Event Printer application stops the logging of events Configuring a printer in Windows Printing events as they occur is only possible with a printer capable of printing a single line at a time e g a dot matrix printer Printers such as laser printers which print an entire page at a time cannot do this To use a suitably capable printer for line at a time operation configure it as follows 1 In the Windows Start Menu select Settings gt Printers 2 Right click the printer selected as the default Windows printer and select Properties 3 Select the Scheduling tab 4 Select Print directly to the printer and click OK OTS9200 User Manual 2 59 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface 2 60 OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed
132. ing call Tektronix for service Lock Status The Lock Status LED indicator lights to green indicating e reference PLL and DPA PLL are locked Lighting to red indicates PLL or DPA PLL is not locked zsou CLOCK OUT 622 MHz Clock Out O The 622 MHz Clock Output provides an external reference clock EAE output to the front panel for calibration and testing purposes Connector SMA AC coupled 600 to 1000 mVpp into 50 Frequency 622 08MHz JITTER Figure 2 3 Transmit Card Front Panel 2 4 OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics Front Panel Indicators and Connectors 2 5 GHz Jitter A Clock Out The 2 5 GHz Jitter A Clock Out port connects to the OTS92H1 for 10 Gb s jitter generation using the coax cable supplied The output is disabled when line rate is 2 5 Gb s and lower Connector SMA AC coupled 800 mVpp typical into 50Q Frequency 2 48832 GHz 2 5 GHz Jitter B Clock Out The 2 5 GHz Jitter B Clock Out port connects to the OTS93T1 for 2 5 Gb s 622 Mb s and 155 Mb s jitter generation using the coax cable supplied The output is disabled when line rate is 10 Gb s Connector SMA AC coupled 800 mVpp typical into 50 2 Frequency 2 48832 GHz OTS 9200 User Manual 2 5 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics Functional Ove
133. is described in more detail in the following sections System View Device Window Help IK 82 A Ae B A lA on onfantasers z As gt m m Blantests z Setup OTS92R1 Jitter Analyzer 1 Signal Rate 9 353 Gb s OTS91R2 10 Gb s Rx tt Filter Bandwidth 20 kHz 80 MHz Wideband L 5 OTSS1T1 10 Gb s Signal Type Data Tx ffl 0758113 106b s SES 1 000 ee Edi vu H OT592R1 Jitter Demodulated Output Range fi Ulpp Analyzer 1 0759251 Synchronization Module 1 Front Panel Output Settings Recovered Clock z Figure 2 11 Receiver Setup Signal menu Signal Rate The selected Signal Standard determines the signal rates available for use For SONET and SDH selections the available signal rates include o 9 953 Gb s o 2 488 Gb s o 622 Mb s o 155 Mb s Filter Bandwidth Use the pull down menu to select the filter bandwidth The available selections include Oo O O O O 2 20 10 Hz 80 MHz Fullband 10 kHz 80 MHz Wideband 20 kHz 80 MHz Wideband 50 kHz 80 MHz Wideband RMS 4 MHz 80 MHz Highband OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Signal Type The signal type default is Data Jitter Hit Threshold Click the Edit button to enter a different jitter hit threshold Front Panel Output Settings
134. is provided as a reference for proper module installation and connections for multiple modules The screen may also be reached by pressing CTRL Y on the keyboard 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 OTS91 OTS91 OTS91 OTS91 OTS93 OTS93 OTS92 CPU CPU OTS92 OTS92 OTS91 OTS91 OTS91 OTS91 OTS92 Livi Rau Ga TIM RI C3 1 TL 8 159 H181 Ris TIN DS RII Figure 2 37 System View OTS9200 User Manual 2 47 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface SCPI Output The SCPI Output option is provided for use in programming remote commands To activate click on the View menu and select SCPI Output A dialog box as shown in Figure 2 38 is displayed which provides an echo for all commands performed via the user interface The commands are shown in SCPI format and may be copied from the dialog box into a text document OTS9000 Equivalent SCPI Remote Commands xj V Show Line Numbers Large gt gt E JV Always on Top Figure 2 38 View SCPI Output dialog box 2 48 OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Multiple Windows The user interface provides single window viewing and multiple window viewing as shown in Figure 2 39 To view a single window at a time select Single Window M
135. ished see SYSTEM COMMUNICATE PORT TXTERM The query form returns the current setting Syntax SYSTem COMMunicate NETWork TXTERM SYSTem COMMunicate NETWork TXTERM lt Enum gt Parameters Description LF Line feed LF character Ox0A CR Carriage return CR character OxXOD CRLF CR followed by LF LFCR LF followed by CR SYSTem COMMunicate PORT ECHO The PORT commands affect the character based remote control port serial port or network connection that receives the command they are not valid for the GPIB This command controls for the current remote control port how the system echoes the characters it receives The parameter is a numeric value containing three individual control bits The query form returns the current setting Syntax SYSTem COMMunicate PORT ECHO SYSTem COMMunicate PORT ECHO lt NR1 gt Bitvalue Function 0 Disables echo 1 Enables echo 2 Causes the input terminator character to be echoed as CR LF 4 Enables input line buffering received characters are not processed until the terminating CR or LF SYSTem COMMunicate PORT PROMpt 3 54 This command enables or disables the user prompt on the current remote control port When the prompt is enabled the system prompts when it is ready for a command The query form returns the current setting Syntax SYSTem COMMunicate PORT PROMpt SYSTem COMMunicate PORT PROMpt Boolean OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Inst
136. it Jitter Tolerance Mask f Mask name description GR 253 OC 192 Jitter Tolerance Requirement Mask o Cancel r Mask definition Number of measurement points c V Show meas points Segments Update C Sh p i Enter as Freq Hz Ampl UI ow generator limits Copy Mast Sp Measurement Point 1 of 6 ES 10 Ampl 15 000 LR r Add extra measurement points Points 7 Enter as Freq Hz E 10 2K 20K 400K 4M 80M Hz 100 1K 10K 100K 1M 10M Figure 2 23 Jitter Tolerance Mask dialog The Number of measurement points field selects the number of points along the mask curve at which measurements are performed There must be at least as many points as the number of mask vertices The Mask name description field shows the name of the currently selected mask For user defined masks this field may be used to enter or modify the mask name The Mask definition Segments field shows the coordinates of the end points vertices of the mask segments For user defined masks this field may be used to enter or modify the vertex coordinates Examining the segment definitions of a standard mask is an effective way to become familiar with the format in which mask definitions are displayed and entered The Show meas points check box enables or disables the display of dots at the frequencies of the selected measurement points The Show generator limits check box shows or hides a mask trace representing the maximum ji
137. itter Transfer Mask 2 USER3TR User Defined Jitter Transfer Mask 3 USERATR User Defined Jitter Transfer Mask 4 USERS5TR User Defined Jitter Transfer Mask 5 OTS9200 and OTS92S1 User Manual 3 33 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SOURce JITTer COMPliance MASK DESCription The first command parameter specifies a mask use the keyword CURRENT to specify the mask currently selected The Set form of this command is applicable only to user defined masks it sets the mask description which is the text string that appears in the user interface mask selection list For all masks the query form returns the description text for the specified mask Syntax SOURce lt slot gt JITTer COMPliance MASK DESCription lt Enum gt SOURCce lt slot gt JITTer COMPliance MASK DESCription lt Enum gt lt String gt Parameters Description CURRent The currently selected Jitter Transfer or Jitter Tolerance Mask GR253TL GR 253 Jitter Tolerance Mask GR253REQTL GR 253 Jitter Tolerance Requirement Mask GR2530BJTL GR 253 Jitter Tolerance Objective Mask G877TL GR 1377 Jitter Tolerance Mask Obsolete Standard G825NET1P5TL G 825 Jitter Tolerance Mask 1 544 kbits s networks G825NET2TL G 825 Jitter Tolerance Mask 2 048 kbits s networks G958TYPEATL G 958 Jitter Tolerance Mask Type A G958TYPEBTL G 958 Jitter Tolerance Mask Type B USER1TL User
138. itter Transfer Mask 3 USER4TR User Defined Jitter Transfer Mask 4 USERSTR User Defined Jitter Transfer Mask 5 OTS9200 and OTS92S1 User Manual 3 39 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SOURceJITTer COMPlIiance MASK STIMulus The first command parameter specifies a mask use the keyword CURRENT to specify the mask currently selected The Set form of this command is applicable only to user defined masks for which it sets the parameters of the stimulus mask The second parameter specifies the number of data points that define the mask followed by two or more pairs of numeric values that specify respectively the frequency in Hz and amplitude in UI for each point The number of frequency amplitude value pairs must match the number of points specified For all masks the query form returns the mask data for the specified mask frequency values are returned in NR3 format amplitude values are returned in NR2 format Syntax SOURcesslot JITTer COMPliance MASK DESCription ASSociated lt Enum gt SOURCcesslot JITTer COMPliance MASK DESCription ASSociated Enum String Parameters Description MAXimum The jitter generator s maximum amplitude capability CURRent The currently selected Jitter Transfer or Jitter Tolerance Mask GR253TL GR 253 Jitter Tolerance Mask GR253REQTL GR 253 Jitter Tolerance Requirement Mask G
139. l commands in alphabetical order IEEE 488 2 System Commands These commands control basic generic functionality and interface control functions Clear interface error status CLS Enable error status conditions ESE Query error status ESR Query identification string IDN Query all instrument settings LRN Query operation complete OPC Recall system settings RCL Restore default settings RST Restore saved settings SAV Service Request Enable Register SRE Status Byte Register STB Self Test results TST Wait for pending operations WAI OTS9200 and OTS92S1 User Manual 3 1 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Commands Overview Remote Control Setup and Format Commands These commands provide commands to initialize the error reporting system get the error status from the previous commands query response command headers and keywords in short or long form and set binary block data format Initialize error reporting system Get error status from previous commands Query response command headers Query response keywords short long form Binary or hex block data format Remote Control Port Settings status preset system error system headers system verbose system format block These commands provide the GPIB Serial and network port setups as well as the serial and network port protocols GPIB port setup COMI serial
140. l travels to the OTS92R1 Jitter Receive card for jitter measurement and analysis 1 22 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Getting Started Jitter Output Receive Only Testing in Manufacturing Jitter output receive only configuration is the same test as normal jitter output testing The only difference is that there is one less card the Jitter Generation card is not used This testing package provides a jitter test solution capable of performing jitter output testing but at reduced cost due to the absence of the Jitter Generation card The basic setup for jitter output receive only testing is shown in Figure 1 9 DEVICE UNDER TEST DUT Figure 1 9 Typical OTS System Set up for Jitter Output Receive Only Testing OTS9200 and OTS92S1 User Manual 1 23 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Getting Started In service Jitter Monitoring Another form of jitter output testing is called jitter interface generation testing or in service jitter monitoring This test uses the same method of testing as the standard jitter output testing However in jitter interface generation testing the device under test is already part of a network and not setup as stand alone equipment The basic setup using an OTS system for jitter output testing is shown in Figure 1 10
141. le This section contains a complete listing of the OTS92S1 Synchronization module specifications Environmental Specifications TEMPERATURE RANGES Operating Temperature 5 C to 35 C Humidity 20 to 80 relative humidity with a maximum wet bulb temperature of 28 C at or below 35 C Non condensing Upper limit de rates to 60 relative humidity at 35 C Operating Altitude ege a EEN EENS ee 15 000 ft Siorage Ke TC 20 C to 60 C Humidity 5 to 80 relative humidity with a maximum wet bulb temperature of 28 C at or below 60 C Non condensing Storage Altitud ics tot se ete uasa Ens E ab NR ERR SER E REO cocauyendeyas qaddvanendesavends 50 000 ft DIMENSIONS The dimensions of all module cards are 6u 233 35 mm x 160 mm 9 19 inches x 6 3 inches form factor with 4hp 20 32 mm 0 8 inches front panel WEIGHT Synchronization Card BE d ccm cd Lor Ld Lara gend abe saepe Rma Para cuu end Pope abd 1 1 lbs POWER Synchronization card T5V 0 5A 3 3V 0 1A 5 2V 1 75A 12V 0 1A 12V 0 3A OTS9200 and OTS92S1 User Manual A 9 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Specifications FREQUENCY OFFSET Te TM 100 ppm aee m 0 001 ppm EXTERNAL CLOCK SOURCES 1 5 Mb s Reference Clock Input externally synchronized FO QUGINCY
142. le with the OTS9210 Jitter module provides a solution developed to support testing of jitter at a 10Gb s signal rate To connect the OTS9100 and OTS9210 modules for 10Gb s jitter testing the following interconnections must be installed as shown in Figure 1 1 1 Install a DC signal block to Rx DATA IN on the OTS91R2 card Install a DC signal block to Tx DATA OUT on the OTS91T3 card Install a power splitter to Rx DATA OUT on the OTS91L1 card Install a coax cable between 10GHz CLOCK IN on the OTS91T3 card and 10GHz CLOCK OUT on the OTS91C3 card 5 Install a coax cable between Rx CLOCK OUT on the OTS91R2 card and Rx CLOCK IN on the OTS91C3 card 6 Install a coax cable between the DC block on the OTS91T3 card and Tx DATA IN on the OTS91L1 card 7 Install a coax cable between the DC block on the OTS91R2 card and one end of the power splitter on Rx DATA OUT on the OTS91L 1 card 8 Install a coax cable between the other end of the power splitter on Rx DATA OUT on the OTS91L card and 10Gb s DATA IN on the OTS92HI card Ae oU ge NOTE Before testing ensure that both ends of the power splitter are always connected on both ends 9 Install a coax cable between 10GHz CLOCK IN on the OTS91C3 card and 10GHz JITTER CLOCK OUT on the OTS92H1 card 1 8 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Getting Started 10 Install a coax cable b
143. llected by the associated receiver during the current or most recent test as shown in Figures 2 18 There are three selections to set Upper Trace Lower Trace Search and the Time Axis IR System View Device Window Help e m PLA A m EI Ija On ort An Lasers E x IR E m E Jan Tests ons OTS91R2 1 OTS91T3 1 Real Time Cumulativ OTS92R1 1 r Parameters OT89281 1 Upper Trace OTS92TU 1 Peak to Peak Lower Trace Current PtoP d Linear C Logarithmic Data at Cursor Li t Setup r Search Less then fi Zoom Out In lt lt gt Upper Prev Live Update 1 sec tick set Cursor iz C Lower Next r Time Axis Elapsed Time C Time of Day Rate Filter 9 953Gb s 20 kHz 80 MHz Wideband Figure 2 18 Measurement History Menu The Upper Trace drop down menu provides several methods for tracing to choose from The choices are Peak to Peak Maximum Peak Minimum Peak Current Peak to Peak Current Maximum Peak Current Minimum Peak Loss of Signal LOS and RMS when an RMS filter is applied The Lower Trace drop down menu provides several methods for tracing to choose from The choices are Peak to Peak Maximum Peak Minimum Peak Current Peak to Peak Current Maximum Peak Current Minimum Peak Loss of Signal LOS and RMS when an RMS filter is applied The Search drop down menu provides several
144. lly slide the module card out of the slot NOTE If a module card is removed a blanking panel and air diverter must be installed to ensure proper airflow through the system Failure to replace the air diverter and blanking panel could cause the system to overheat 1 6 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Getting Started Slot Positioning of Modules OTS9200 Cards The slot into which each OTS9200 card is installed is very important to the proper operation of the instrument Due to the tight integration between OTS software and OTS modules certain cards must be placed in specific locations to support many of the features through mode is an example of this CAUTION If the OTS92T1 or OTS92R1 cards are installed with an unpopulated module slot to the right you must install the Air Management Card Installing the Air Management Card in the right hand slot beside the card ensures the jitter cards are properly cooled and won t be damaged due to overheating An OTS9200 module consists of OTS92H1 OTS92R1 and OTS92TI Every OTS9200 module requires that the OTS92H1 Clock Recovery card be placed in the left most slot of the module grouping followed by one OTS92R1 Receiver card and one OTS92T1 Transmitter card A module may span the CPU in a multi module system Empty slots or slots containing non OTS cards effectively end the grouping
145. lts measurements are calculated The query form returns the current setting Syntax SENSesslot JITTer MEASure WINDowed SIZE SENSesslot JITTer MEASure WINDowed SIZE lt NR1 gt SENSe JITTer OUTPut RANGe This command sets the jitter measurement demodulated output range The query form returns the current setting Syntax SENSe lt slot gt JITTer OUTPut RANGe SENSesslot JITTer OUTPut RANGe lt Enum gt Parameters Description UIA 0 1Ul UI4A 0 4Ul UI16A 0 16 UI UI64A 0 64 Ul UI256A 0 256 UI UI1024A 0 1024 UI UI4096A 0 4096 UI Not applicable to 2 488 Gb s and below SENSe JITTer RATE This command sets the jitter measurement rate The query SENSe JITTer BUSY should be used to determine when the operation has completed The query form returns the current setting Syntax SENSesslot JITTer RATE SENSesslot JITTer RATE lt Enum gt Parameters Description G10A 9 953 Gb s OC 192 or STM 64 G2P5A 2 488 Gb s OC 48 or STM 16 M622A 622 08 Mb s OC 12 or STM 4 M155A 155 52 Mb s OC 3 or STM 1 OTS9200 and OTS92S1 User Manual 3 29 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SENSe JITTer RECOvered RATE This command sets the jitter measurement recovered clock rate At 9 953 Gb s and 2 488 Gb s valid clock rates are 2 488 GHz and 622 MHz At 622 Mb s the valid clock rate is
146. ly a voltage to a terminal that is outside the range specified for that terminal Ground the Product This product is grounded through the grounding conductor of the power cord To avoid electric shock the grounding conductor must be connected to earth ground Before making connections to the input or output terminals of the product ensure that the product is properly grounded Observe All Terminal Ratings To avoid fire or shock hazard observe all ratings and markings on the product Consult the product manual for further ratings information before making connections to the product The common terminal is at ground potential Do not connect the common terminal to elevated voltages Do not apply a potential to any terminal including the common terminal that exceeds the maximum rating of that terminal Use Proper AC Adapter Use only the AC adapter specified for this product Do Not Look into the End of a Fiberglass Cable Never look into the end of a fiberglass cable or a single fiber which could be connected to a laser source Laser radiation can damage your eyes because it is invisible and your pupils do not contract instinctively as with normal bright light If you think your eyes have been exposed to laser radiation you should have your eyes checked immediately by an eye doctor The optical output s radiation power corresponds to the laser class in accordance with IEC 825 1 11 93 Use Proper Fuse To avoid fire hazard use only th
147. merican National Standards Institute ASCII American Standard Code for Information Interchange BBE Background Block Error BER Bit Error Ratio BIP Bit Interleaved Parity BIP 8 Bit Interleaved Parity 8 CFR Code of Federal Regulations CSES Consecutive Severely Errored Second CV Coding Violation DCC Data Communications Channel EB Errored Block ES Errored Second ESA Errored Second Type A ESB Errored Second Type B FAS Frame Alignment Signal Gb s Refers to a data signal rate GHz Refers to a clock signal rate IEC International Electrotechnical Commission ITU International Telecommunications Union JO TIM JO Trace Identifier Marker LOF Loss of Frame LOS Loss of Signal MS Multiplex Section MS AIS Multiplex Section Alarm Indication Signal MS RDI Multiplex Section Remote Defect Indication MS REI Multiplex Section Remote Error Indication NE Network Element OTS9200 and OTS92S1 User Manual B 1 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com List of Acronyms OC Optical Carrier OC N Optical Carrier level N OOF Out of Frame OS Operating System RAI Remote Alarm Indication RAI L Line Remote Alarm Indication RDI Remote Defect Indication RDI L Line Remote Defect Indication REI Remote Error Indication REI L Line Remote Error Indication RS Regenerator Section Rx Receiver SCPI Standard Commands for Programmable Instruments SDH Synchronous Digital Hierarchy SES Severely Errored Second SONET Synchro
148. n on the desktop NOTE The OTS application may also be reached through the START menu Click START select Tektronix then click OTS9000 Emergency Startup Disk Instructions for creating an emergency startup disk can be found in Appendix C It is recommended that you take the time to do this simple procedure every time you change your system configuration Shutdown and Power Off If necessary it is considered safe to shut off power without prior shutdown steps However it is strongly suggested that a more orderly shutdown be followed To perform an orderly shutdown use the following steps 1 Close the OTS9000 application by clicking the X in the upper right corner or by selecting Exit under the System menu 2 From the Start button on the Windows 2000 Taskbar choose Shut Down 3 Onthe Shutdown dialog box choose Shut down the computer and click Yes 4 When the Windows 2000 message It is now safe to turn off your computer appears turn off the chassis power OTS9200 and OTS92S1 User Manual 1 15 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Getting Started OTS9200 Module Quick Check 10Gb s Jitter Test Jitter Click on the Setup Title Bar then click on the device icon to open Setup menu Ensure that the modules have been cabled together in the 10Gb s jitter configuration Refer to the Module Interconnection section above for proper cabling of
149. n the box labeled Test Description a description of the test may be entered When editing is finished click OK to return to the Test Control menu OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Test Control Summary The Test Control Summary menu as shown in Figure 2 15 provides a summary of the test control conditions for each Receiver individually Clicking the Edit button will display the Test Control menu for the specific receiver number chosen Clicking the Start button will begin a test on the specific receiver number chosen Once the Start button 1s clicked it changes to a Stop button The Pause button is grayed out until a test is started then it may be clicked to pause a test Il System View Device Window Help Je E E PA ae B A on oul Loes Ar gt m m amp an Tests SEI a setup Test Control Summary SST 2 OTS91R1 10 Gb s Rx 1 Select Test Control Description Test State Complete TestMode Continuous Elapsed Time Os OTS91R2 10 Gb s Rx 1 Description Test State Complete TestMode Continuous Elapsed Time 0s Start Pause Edit OTS92R1 Jitter Analyzer 1 Description Test State Complete TestMode Continuous Elapsed Time 0s Pause Edit OTS83R1 2 5 Gb s Px 1 Description Tes
150. nce OUTPut PROGress SENSe JITTer COMPliance OUTPut STANdard This command selects the test standard the filters and measurement thresholds to use for an output jitter compliance test The user defined standard allows the user to specify filters and thresholds The query form returns the current setting 3 22 Syntax SENSesslot JITTer COMPliance OUTPut STANdard SENSesslot JITTer COMPliance OUTPut STANdard lt Enum gt Parameter USER GR253EQ G783bEQRGN G783EQ1X G783EQ2X GR1377EQ GR253NET GR253NETB G825NET GR1377NET T1P105PO3X T1P105P03A T1P105P03B Description User defined set of filters and thresholds GR 253 Equipment Category II G 783 Equipment Type A Regenerators in 2 048 Kb s networks G 783 Equipment Option 1 Ref G 813 G 783 Equipment Option 2 Ref G 813 GR 1377 Equipment Category II Obsolete GR 253 Network GR 253 Network Type B G 825 Network GR 1377 Network Obsolete T1 105 03 Network T1 105 03 Network with Type A Regenerators T1 105 03 Network with Type B Regenerators OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SENSe JITTer COMPliance OUTPut STANdard AV Allable This query returns a list of the output jitter compliance standards available at the line rate currently selected for the jitter analyzer Syntax SENSesslot JITTer C
151. nd Description SYSTem COMMunicate SERIal COM2A NDATA This command sets the number of data bits per character on the COM2 serial port The query form returns the current setting Syntax SYSTem COMMunicate SERIal COM2A NDATA SYSTem COMMunicate SERIal COM2A NDATA lt Enum gt Parameters Description N7A Seven bit data N8A Eight bit data SYSTem COMMunicate SERIal COM2A NSTOP This command sets the number of stop bits per character on the COM2 serial port The query form returns the current setting Syntax SYSTem COMMunicate SERIal COM2A NSTOP SYSTem COMMunicate SERIal COM2A NSTOP lt Enum gt Parameters Description N1A One stop bit N1P5A One and one half stop bits N2 Two stop bits SYSTem COMMunicate SERIal COM2A PARIty This command sets for the COM2 serial port the function of the high order eighth bit in each serial The query form returns the current setting Syntax SYSTem COMMunicate SERIal COM2A PARIty SYSTem COMMunicate SERIal COM2A PARIty lt Enum gt Parameter Description NONE No parity ODD Odd parity EVEN Even parity MARK The parity bit is always set SPACE The parity bit is always clear OTS9200 and OTS92S1 User Manual 3 61 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SYSTem COMMunicate SERIal COM2A PROMpt This command enables or disables the user prompt on the COM2 serial
152. nd or query not a semicolon Responses to any queries in your message are separated by semicolons SOURCE DATA RATE SOURCE DATA PAYLOAD PATTERN First query Second query The response from this chained STS 192c PRBS23A message might be Response from first query Response from second query Figure 3 3 Example of chaining commands and queries If a command or query has the same root and lower level nodes as the previous command or query you can omit these nodes In Figure 3 4 the second command has the same root and lower level nodes SOURCe INSErt ANOMaly as the first command so these nodes can be omitted SOURce INSErt ANOMaly TYPE REI SOURce INSErt ANOMaly RATE 16 4 a Identical root and lower level nodes SOURce INSErt ANOMaly TYPE REI RATE 1e 4 First command Second command omitted the root and lower level nodes Figure 3 4 Example of omitting root and lower level nodes in chained message OTS9200 and OTS92S1 User Manual 3 13 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Syntax General Rules Here are some general rules for using SCPI commands queries and parameters 66 99 You can use single or double quotation marks for quoted strings but you cannot use both types of quotation marks for the same string correct This string uses quotation marks correctly correct This string also uses
153. necting to an OTS system 2 45 Controlling Responses 3 11 Cumulative Tab 1 24 2 28 29 43 45 46 48 51 Current 1 24 25 26 D DACs 1 3 DATA OUT 1 14 DC blocks 1 11 DC signal block 1 11 15 Demodulation Output 2 3 Digital Phase Analysis 1 1 Digitally time stamp signal edges 1 3 Display configuration 2 36 Display Notation 2 35 Distortion 1 11 DPA 1 1 2 3 2 2 5 DSPs 1 3 DWDM 1 4 Index 1 Guaranteed 888 88 SOURCE www artisantg com Index E Edge Density Signal EDS 2 4 9 Emergency Startup Disk 1 18 Error Active 2 16 Event Printer 2 55 Exporting test data to other programs 2 46 External reference clock 2 10 11 F FAS 2 18 48 50 51 53 Filter bandwidth 2 23 FPGA 22 7 10 G Gain error 1 1 General Rules 3 13 GPS clock 1 4 GR 253 1 2 4 H Hex Block Format 3 7 History Tab 1 26 2 17 28 30 43 45 50 51 53 Hot swappable 1 7 I IEEE 488 2 3 1 6 In service Jitter Monitoring 1 32 Installation 1 7 interconnection cables 1 11 Interconnection diagram for OTS Multi rate Jitter Testing 1 15 Interconnection diagram for OTS Receive only 1 17 ITU 1 2 4 28 J Jitter Analyzer 2 1 21 Jitter Analyzer Test Control 3 4 Jitter at a 10Gb s signal rate 1 11 15 Jitter generation 1 1 2 30 2 1 Jitter Generation 1 1 31 Jitter Generator 1 1 Jitter Hit Seconds 1 25 Jitter Hit Threshold 2 23 Jitter Hybrid 1 1 30 Jit
154. ng All data in the floppy disk will be erased 6 The computer now creates your emergency disk The computer erases the disk and then copies the pertinent files onto it 7 When the computer finishes it will prompt you with a final message Exit the repair disk utility and remove your floppy disk Be sure to store it in a safe location C 2 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Module Card Replacement Replacement parts are available from or through your local Tektronix Inc service center or representative For further information or module replacement inquiries may be directed to the Service Call Center at 800 833 9200 The OTS9200 is serviced by module replacement If a faulty module card is detected use the following table to determine the necessary replacement card part number Please have this number available when inquiring with your Tektronix representative Tektronix Part Number Description 672 1691 00 OTS92S1 Sync card 672 1690 00 OTS92H1 Clock Recovery card 672 1692 00 OTS92T1 Tx Jitter card 672 1693 00 OTS92R1 Rx Jitter card OTS9200 User Manual D 1 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Module Card Replacement D 2 OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE
155. nnectors 10 Gb s Data In This input accepts a 10 Gb s data signal and produces a recovered clock at the 10 GHz Clock Output Typically this input is connected to an Optical to Electrical converter OTS91L 1 using coax cable and power divider provided However some applications may require clock recovery from a user s electrical signal Electrical specifications are provided for that purpose The maximum number of consecutive ones or zeroes is 30 Connector SMA AC coupled to 50Q termination Frequency 9 95328 Gb s 2 5 GHz Jitter Clock In The 2 5 GHz Jitter Clock In is connected to the OTS92T1 using the coax cable provided This is used for frequency multiplication to create the 9 95328 GHz bit rate clock Connector SMA AC coupled 500 to 1100 mVpp into 50Q Frequency 2 48832 GHz Edge Density Signal EDS The Edge Density Signal port interface has no application to the OTS9200 module The Clock Receive EDS port is cabled to the Jitter Rx EDS port 10 GHz Jitter Clock Out The 10 GHz Jitter Clock Output is connected to the OTS91C3 card using the coax cable provided The signal is the transmit bit rate clock that can be selected by the OTS91T3 Connector SMA AC coupled 700 mVpp typical into 50Q Frequency 9 95328 GHz 2 7 OTS9300 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics Functional Overview OTS92S1 Synchronization
156. nous Optical Network SPE Synchronous Payload Envelope STS Synchronous Transport Signal STS N Synchronous Transport Signal level N TIM Trace Identifier Mismatch TOH Transport Overhead TU Tributary Unit TUG Tributary Unit Group Tx Transmitter UAS Unavailable Second VC Virtual Container VT Virtual Tributary B 2 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Emergency Startup Disk These instructions explain how to make an emergency startup disk for your OTS system It is recommended that you take the time to do this procedure every time you change your system configuration such as modifying the network settings The process takes less than five minutes Accessing Help Files The procedure for making an emergency startup disk is located in the Windows Help files Follow the steps below to access these files and create the emergency disk You will need a blank floppy disk for the procedure NOTE Make sure you are on the correct OTS system before making the emergency disk Because of licensing information an emergency startup disk must be made for each system Click on the Start menu and select Help In the Help dialog box select the Index tab and type in Emergency 3 The following dialog box is displayed Click on the button as prompted to begin making the emergency disk Windows NT Help Iof XI Heip Topics 5 Opions Using
157. ns the measurement status and value of the specified result parameter as measured during the most recent N seconds The value is returned in NR3 format unless noted otherwise in the table Syntax SENSe lt slot gt JITTer MEASure REALtime lt Enum gt Parameters Description PTP Peak to Peak PMAX Maximum peak PMIN Minimum peak RMS RMS valid only for RMS filters LOS LOS Errored Seconds returned as a NR1 value VALId The data is valid INVAlid The data is not valid Collecting There is an insufficient number of data points to compute the value s OVERrange The receiver s tracking ability was exceeded SENSe JITTer MEASure REALtime ALL This query returns the measurement status and values of all the parameters of the SENSe JITTer MEASure REALtime query in the order in which they are listed under SENSe JITTer MEASure REALtime The values are returned in NR3 format unless otherwise noted Syntax SENSesslot JITTer MEASure REALtime ALL SENSe JITTer MEASure REALtime CLEAr This command clears the data in the sliding measurement window Syntax SENSesslot JITTer MEASure REALtime CLEAr OTS9200 and OTS92S1 User Manual 3 27 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SENSe JITTer MEASure REALtime SIZE This command sets the duration in seconds of the interval over which real time results measu
158. nt Measurements sense jitter measure realtime sense jitter measure windowed sense jitter measure cumulative sense jitter measure current Output Jitter Compliance Test Commands OTS9200 module These commands provide configuration and control for output jitter automated compliance tests and query the results from running such tests Output jitter compliance test standard selection Output jitter compliance test filter selection Output jitter compliance test measurement time Output jitter compliance test start stop and run state query Output jitter compliance test progress query Output jitter compliance test pass fail result Output jitter compliance test measured result values OTS9200 and OTS92S1 User Manual sense jitter compliance output standard sense jitter compliance output filter sense jitter compliance output time sense jitter compliance output state sense jitter compliance output progress sense jitter compliance output outcome sense jitter compliance output filter measured 3 5 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Commands Overview Jitter Transfer amp Tolerance Compliance Test Commands OTS9200 module These commands provide configuration and control for output jitter automated compliance tests and query the results from running such tests Test type selection Available masks
159. nutes or more and repeated at least once a day Running a Test and Viewing the Results To run a test click the Start Test button A test monitoring bar is now displayed above the Start Test button as shown in Figure 2 29 During the execution of the test the Elapsed Test Time indicator increments the progress bar display advances and the graph and Results display are updated as measurements are made EE Line Rate Elapsed Test Time D ALLLIG 3 953 Gb s 00 34 0 Percent Complete 100 Test Type Transfer Fast jT aleran ce T est zondition E dit Settings Start Test Payload Bit v Edit Mask Mask Salacticg Start Cal Save Results GR 253 OC 192 Jitter Transfer Mask Num Measurements Test State 12 Calibrated TEST PASSED Stop Test v Grid M Vertices Gen M Connect Cursor lt gt Point 1 of 12 Freq 10 Hz Ampl 15Ul Mask D 1 dB 10 120K 1 Meas 0 034 dB Hz 100 1K 10K 100K iM 10M Freq Thresh Meas Status 379 47K 9 875 14 865 1 20M 19 850 27 610 PASS 3 79M 29 825 35 518 PASS 12 00M 39 800 48 694 PASS Si Figure 2 29 Completed Jitter Transfer Test screen 2 40 OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface The individual measurements appear as dots on the graph Measurements that pass are shown as green dots those that fail ar
160. ode under the Window menu When the single window mode is active only a single window may be viewed the other selections under the Window menu are grayed out and the Window Control Bar is grayed out If the single window mode is not checked then multi window mode is available The multi window mode allows the user to open more than one screen at a time The Window Control Bar and the Window menu options are active while the interface is in multi window mode The Window Control bar provides the ability to tile the windows horizontally or vertically and to select the next window and the previous window to provide better navigation for the user system view Device Window Heb BAET Single Window Mode WS gt E m Ela Tests 7 zdxd LED Display Selected Jl Close Window Close Al Windows Signal Monitor D Next Test Control 4B Previous a 592R1 Jitter Analyzer 1 Signal Present Q O tos e History ES Tile Horizontally T rie Vertically Q vr OTSSIRI 10 Gb s Q stF Ax ti V 1 System view Fas i O B 2 Measurements OTS92R1 Jitter Analyzer 1 System View TMs OTS91R2 10 Gb s 1 2 3 4 H H rj 8 9 10 Mn Do 1 OTS91 OTS91 OTS91 OTS91 OTS91 OTS91 None Du RINI Da Ch Gau R2l Q ASL OTS92A1 Jitter Analyzer 1 OTS93A1 2 5 Gb s Receiver 1 Compliance Arrange windows so they overlap Jitter Error Test Laser Hee In
161. of the format and parameters of all system and OTS9200 specific commands These commands are listed in alphabetical order NOTE Not all commands and command parameters are available for all modules Commands with option limitations are so noted CLS This command clears the IEEE 488 2 error status register and event queue Syntax CLS ESE This command sets the value of the IEEE 488 2 Event Status Enable register The query form returns the current value Syntax ESE ESE lt NR1 gt ESR This query returns as a NR1 parameter the value of the IEEE 488 2 Event Status Register Syntax ESR IDN This query returns as a string parameter the identification string for the Tektronix OTS instrument Syntax IDN LRN This query returns the current state of the instrument as a string of commands that will restore the instrument to that state Syntax LRN OTS9200 and OTS92S1 User Manual 3 15 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description OPC This command causes the OTS9000 system to set the Operation Complete bit bit value 0x01 in the IEEE 488 2 Standard Event Status register when previously initiated operations are complete The query form returns the Boolean value 1 to indicate that any pending operation is complete Syntax OPC RCL This command recalls system parameter settings from
162. onitoring eese inae esent NAE 1 23 Jitter Tolerance Testing E 1 24 Jitter Transter Testing enti a tiii ee it dena ad eens 1 25 Operating Basics OTS9200 Front Panel Indicators and Connectors cesses eene nnne nnne n 2 1 OTS92R1 Recelve COard c petentes eer ivc conn AE 2 2 IOC OK aes P 2 2 MOCKS CUS EE 2 2 Recovered Clock e ME 2 2 10 GHZ CLOCK IN EE 2 2 Received Data IN eT I EE 2 2 Demodulation Output Signal DEMOD eter ee ee eene nese tees ee saeeeeetaeeeeetneeeee 2 3 Edge Density Signal EDS ssssssesssessseenee ener enne 2 3 SR KAREL MG 2 4 lee DU d cr 2 4 BOCK StAtUS NET TEE E 2 4 622 MHZ Clk O t RENE dee dE deed 2 4 2 5 GHz Jitter Bei ee tte E 2 5 2 5 GHz Jitter Rer elei de iid ici et i eco cire ode baec veo se eos vada zs ERR 2 5 OTS92H1 Clock ReGoVety 2 treten eterne te terea baee bd bat eee de ege de 2 6 leie De eM 2 6 Lock E EE 2 6 greed 2 6 10 GB S Data El EE 2 7 2 5 GHZ Ies diim IE 2 7 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Table of Contents Edge Density Signal ED eene eene nnne 2 7 10 GHz Jitter Clock Out 2 7 OTS9281 Synchronizatlon 2 ect ieeetente etui treiben reete entrent ien EL e E ERE Een ia sE Dre KEES eas 2 8 Front Panel Indicators amp Connectors
163. options for conducting a search the choices are Less than Equal to Greater than Maximum and Minimum The Time Axis option may be set to show elapsed test time or time of day Elapsed test time does not accrue when a test is paused time of day continues The Rate Filter field displays the signal rate being tested Deselect the Live update check box to edit the cursor OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Compliance Compliance testing is controlled through the Compliance bar found on the Navigation Window Compliance settings are used to ensure that the system being tested complies with industry standards To perform Output Jitter testing the Jitter Analyzer Compliance menu is used to set up start and measure the results To perform Jitter Transfer and Jitter Tolerance testing the Jitter Generator Compliance menu is used Compliance Jitter Analyzer The Jitter Analyzer Compliance menu shown in Figure 2 19 controls output jitter testing The menu displays readings for Line Rate Test Standard Measurement Time and Filter When the Edit Settings button is clicked the Set Output Jitter Test Parameters dialog box is displayed allowing the user to make changes to the jitter compliance test setup System View Device Window Help E u PS Alas B A on onfanasers zje lier m m Blantests
164. orks G783A2TR G 783 Type A Jitter Transfer Mask 2 048 kbits s networks G783BTR G 783 Type B Jitter Transfer Mask USER1TR User Defined Jitter Transfer Mask 1 USER2TR User Defined Jitter Transfer Mask 2 USER3TR User Defined Jitter Transfer Mask 3 USER4TR User Defined Jitter Transfer Mask 4 USER5TR User Defined Jitter Transfer Mask 5 3 36 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SOURce JITTer COMPliance MASK EPOints COUNt The first command parameter specifies a mask use the keyword CURRENT to specify the mask currently selected The Set form of this command specifies the number of extra frequency points specific frequencies at which jitter transfer or jitter tolerance measurements are made independent of the automatically selected points specified by SOURce JITTer COMPliance MASK NPOints This is followed by an integer number of points The query form returns the number of extra frequency points for the specified mask Syntax SOURce lt slot gt JITTer COMPliance MASK EPOints COUNt lt Enum gt SOURce lt slot gt JITTer COMPliance MASK EPOints COUNt lt Enum gt lt NR1 gt Parameters Description CURRent The currently selected Jitter Transfer or Jitter Tolerance Mask GR253TL GR 253 Jitter Tolerance Mask GR253REQTL GR 253 Jitter Tolerance Requirement Mask GR2530BJTL GR 253 Jit
165. ovides the switch between these two styles The differences appear in the Navigation Window as shown in Figure 2 36 If the Group devices box is not clicked all devices will be shown by either Function or Device By Function If this option is selected the Navigation Window is arranged so that each function is a selectable bar Setup Signal Monitor etc The devices available for configuration and control appear as separate icons under each bar Rx 1 Tx 1 Tx 2 etc OTS9200 User Manual 2 45 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface By Device If this option is selected the Navigation Window is arranged so that each device is a selectable bar Rx 1 Tx 1 Rx 2 etc The configuration and control menus appear as separate icons under each bar Setup Signal Monitor etc system view Device wine e EETA E Setup i Sigr Sic OTS91R1 10 Gb s Rx 1 Sic Sic OTS91R2 10 Gb s ain Rut HI rit OTS91T1 10 Gb s Tx tl Rei Sic j Te 0759172 10 Gb s x Aci SR SP DTSS3R1 2 5 Gb s Receiver 1 D Bt Bie OTS93T1 2 5 Gb s Transmitter 1 Te a ai z EI Signal Monitor Test Control system view Device wind je I n Poir x Setup OTSSTF 10 Gb s Rx 1 Setup OTSS1R s Rs 81 Setup OTSSIT 10 Gb s Tx 1 2 5 Gb s Recei 1 Setup OTS93 Signi Sigi Si
166. p Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SYSTem FILEs MGMT RESUIts ENABle This command enables or disables each individual deletion trigger During the current revisit interval the enable flags are polled if an enabled criteria is met file deletion will begin and continue until all enabled criteria have been satisfied Disabling the revisit interval flag will keep the system from deleting any files while maintaining user selected criteria NOTE The system requires a single numeric base 10 parameter flags are described as a bit field the user must convert from the bit field or hex to a numeric integer Flags are cumulative Sending the value of zero disables all criteria Syntax SYSTem FILEs MGMT RESUIts ENABle SYSTem FILEs MGMT RESUIts ENABle lt NR1 gt Bit Value Criteria affected 0x1 Enables 1 or disables 0 deletion based on number of files Set by the COUNt command 0x2 Enables 1 or disables 0 deletion based on total consumed space of files Set by the TOTAlsize command 0x4 Enables 1 or disables 0 deletion based on percentage of volume consumed Set by the PERcent command 0x8 Enables 1 or disables 0 deletion based on age of files delta Set by the AGE command 0x10 Enables 1 or disables 0 the revisit interval Set by the INTErval command SYSTem FILEs MGMT RESUlts INTErval This command sets the
167. query Test mask selection Test mask definition Mask description Stimulus mask tolerance transfer Response mask transfer Number of measurement points Extra measurement points data Extra measurement points count Jitter Tolerance parameters Monitored bit error type Onset of errors ES threshold Optical power penalty BER threshold Recommended BER threshold Currently measured BER Tolerance measurement search method Measurement time per point Settling time per point Jitter Transfer parameters Stimulus amplitude Starting frequency Starting frequency enable Calibration state query Compliance test control Test state Test execution progress query Test pass fail outcome query Test step by step results query with frequency and threshold data Test start time query 3 6 Artisan Technology Group Quality Instrumentation source jitter compliance type source jitter compliance mask available source jitter compliance mask source jitter compliance mask description source jitter compliance mask stimulus source jitter compliance mask response source jitter compliance mask npoints source jitter compliance mask epoints source jitter compliance mask epoints count source jitter compliance tolerance condition source jitter compliance tolerance onset threshold source jitter compliance tolerance ber threshold source jitter compliance tolerance ber recommended source jitter compliance tolerance ber current source ji
168. r a function is on or off enabled or disabled Querying a Boolean parameter always returns 0 or 1 never OFF or ON Boolean values may be specified as follows 0 or OFF off disabled 1 or ON on enabled A string of characters delimited by either apostrophes or quote marks Strings must in general be composed of ASCII printing characters and may not contain the apostrophe or quote mark used as the delimiter OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Syntax lt Block gt An array of arbitrary binary data bytes including characters not in the ASCII printing character set A block is transmitted as a block header followed by data bytes as in the following example 216ABCDEFGHIJKLMNOP in which The character indicates that what follows is a block of data gt The first digit 2 in this example is the number of digits in the block length field gt The next digits of which there are two in this example indicate the number of bytes of data that follow In this example there are 16 bytes so the block length field is 16 There are two digits in 16 so the character 2 following the is the digit count The bytes that follow ABCDEFGHIJKLMNOP are the actual data The number of bytes of data must match the number indicated by the block header Optional and alternative parameters
169. racter the OTS system recognizes as End of Input The query form returns the current setting Syntax SYSTem COMMunicate SERIal COM 1A RXTERM SYSTem COMMunicate SERIal COM1A RXTERM lt Enum gt Parameters Description LF Line feed LF character 0x0A an optional preceding CR is ignored CR Carriage return CR character 0x0D an optional preceding LF is ignored SYSTem COMMunicate SERIal COMIA TXTERM This command controls for the COM1 serial port the characters the OTS system sends at the end of a query response The query form returns the current setting Syntax SYSTem COMMunicate SERIal COM1A TXTERM SYSTem COMMunicate SERIal COM1A TXTERM lt Enum gt Parameters Description LF Line feed LF character Ox0A CR Carriage return CR character OxO0D CRLF CR followed by LF LFCR LF followed by CR SYSTem COMMunicate SERIal COM2A DTR This command controls the state of the DTR Data Terminal Ready control signal on the COM2 port The query form returns the current setting Syntax SYSTem COMMunicate SERIal COM2A DTR SYSTem COMMunicate SERIal COM2A DTR Boolean OTS9200 and OTS92S1 User Manual 3 59 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SYSTem COMMunicate SERIal COM2A ECHO This command controls for the COM2 serial port how the system echoes the characters it receives The parameter is
170. ranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SOURceJITTer COMPliance MASK RESPonse The first command parameter specifies a mask use the keyword CURRENT to specify the mask currently selected The Set form of this command is applicable only to user defined masks and sets the parameters of the response mask The second parameter specifies the number of data points that define the mask followed by pairs of numeric values that specify respectively the frequency in Hz and jitter gain in dB for each point The number of frequency amplitude value pairs must match the number of points specified For all masks the query form returns the mask data for the specified mask frequency values are returned in NR3 format gain values are returned in NR2 format Syntax SOURcesslot JITTer COMPliance MASK RESPonse lt Enum gt SOURCesslot JITTer COMPliance MASK RESPonse lt Enum gt lt NR1 gt lt NR3 gt lt NR2 gt lt NR3 gt lt NR2 gt lt NR3 gt lt NR2 gt Parameters Description CURRent The currently selected Jitter Transfer or Jitter Tolerance Mask GR253TR GR 253 Jitter Transfer Mask G783A1P5TR G 783 Type A Jitter Transfer Mask 1 544 kbits s networks G783A2TR G 783 Type A Jitter Transfer Mask 2 048 kbits s networks G783BTR G 783 Type B Jitter Transfer Mask USER1TR User Defined Jitter Transfer Mask 1 USER2TR User Defined Jitter Transfer Mask 2 USER3TR User Defined J
171. rations e Windows 2000 compatible user interface e Direct user download of software updates e Meets current ITU and GR 253 standards Low Intrinsic Noise The OTS9200 module has exceptionally low intrinsic noise levels due to the DPA technology Therefore the test equipment can be removed from the testing equation thus increasing the value of the test results No Settling Time No Range Switching The all digital nature of the jitter testing eliminates the need to use phase locked loops for inferring jitter measurements the traditional way of measuring jitter and suspect to a host of time eating problems such as slow settling and range switching requirements The result of this lack of PLL circuits is a much cleaner signal output providing high resolution of the entire jitter range The OTS9200 module eliminates both settling time and range switching saving time and removing the guesswork range switching inevitably involves Settling time is eliminated because the DPA technology time stamps each edge as it sees them This ability decreases test times and enhances the thru put of the testing system Time stamps Every Edge Jitter testing involves the measurement and generation of phase modulation The test methodology has become increasingly digital as DACs ADCs DSPs and time stamp techniques have been incorporated But the core of the methodology has remained an analog phase detector one that converts phase or time interval to an an
172. rds Applications The OTS9200 module and the OTS92S1 module both meet the needs of development manufacturing and service engineers by providing the capabilities for Manufacturing Test of SONET SDH and DWDM Network equipment DWDM Parallel Channel System Test Equipment Performance Monitoring n service Monitoring Module Test Design Verification OTS9200 and OTS92S1 User Manual 1 3 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Getting Started Accessories Some accessories are included with the OTS9200 and OTS92S1 modules Should you need to purchase optional accessories contact your local Tektronix Representative Standard 644 1015 xx 378 0485 xx 679 5487 xx 015 1022 01 174 4275 01 174 4277 01 174 4702 00 063 3560 xx 119 6364 xx 063 356 1 xx Optional 1 4 Adapters SMA 015 0572 00 015 0554 00 015 0549 00 020 1693 00 Miscellaneous OTS9210SL 071 1133 xx Certificate of Traceable Calibration Blank panel Air diverter Air Management Card Terminator Cap 4 25 coaxial cable 8 25 coaxial cable 6 25 coaxial cable User manuals CDrom OTS Product Family software CDrom Windows 2000 restore CDrom SMA male to BNC male SMA male to BNC female Male to female connector Used permanently installed to prolong life of instrument connector SMA Kit Power splitter OTS9200 OTS92S1 User manual hardcopy OTS chassis up
173. re 2 8 Module LED Panel Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Slot 16 DTSS251 1 155MHz PLL Lock Status Ext Signal BITS SETS Signal Lock Status B2 RDIL REIL AIS P LOP P B3 RDI P REIP TMP UNEG P PMP ESS Bit Error OO OO 0000000000 0000000000 Operating Basics User Interface Table 2 1 Description of Status Window Virtual LED Indicators LED name Description Signal Present The Signal indicator will light green when the receiver senses an incoming signal LOS The Loss of Signal indicator is activated when a LOS condition has been detected LOF The Loss of Frame indicator is activated when a Loss of frame condition has occurred SEF OOF The Severely Errored Frame Out of Frame indicator is activated when an Out of frame condition has occurred FAS The Frame Alignment Sequence indicator activates when errors have been detected in the A1 A2 framing bytes B1 The B1 indicator will activate when SDH Regenerator SONET Section parity errors have occurred TIM S RS TIM The TIM indicator activates when a JO trace is received that does not match the expected trace AIS L MS AIS The AIS indicator activates when the overhead and SPE are set to all ones for a user selected time B2 The B2 indicator activates when SDH Multiplex Section SONET Line parity errors have been detected RDI L
174. relevant parameter Disabled parameters will retain their prior settings while disabled The value fields for disabled will be grayed out indicating that the relevant limit is not being checked All changes to parameters do not take effect until the OK button is pressed The overall cleanup process is controlled by the pair of radio buttons at the top of the dialog If the Disabled button 1s selected then all results file cleanup will be turned off Results file cleanup is accomplished in two steps The first step selects files to be moved or deleted Results file sets a history file and a summary file are processed from oldest to newest based on the setting of the Delete files by oldest control This allows files to be selected based on their creation time last modification time or last accessed time Files are added to the delete move list until all enabled criteria have been met 2 50 OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Results File Deletion Parameters x r Automatic file deletion move is C Disabled r File delete move criteria r File Date Delete files older than p Min utes File Count IV Allow maximum of 100 Files File Size Limit total results files to p Megabytes Limit total results files to Percent of free disk space Delete files by oldest Cre
175. rements are calculated The query form returns the current setting Syntax SENSesslot JITTer MEASure REALtime SIZE SENSesslot JITTer MEASure REALtime SIZE lt NR1 gt SENSe JITTer MEASure WINDowed This query returns the measurement status and value of the specified result parameter for the most recent test The value is returned in NR3 format unless noted otherwise in the table Syntax SENSesslot JITTer MEASure WINDowed lt Enum gt Parameters Description PTP Peak to Peak PMAX Maximum peak PMIN Minimum peak RMS RMS valid only for RMS filters VALId The data is valid INVAlid The data is not valid Collecting There is an insufficient number of data points to compute the value s OVERrange The receiver s tracking ability was exceeded SENSe JITTer MEASure WINDowed ALL This query returns the measurement status and values of all the parameters of the SENSe JITTer MEASure WINDowed query in the order in which they are listed under SENSe JITTer MEASure WINDowed The values are returned in NR3 format unless noted otherwise in the table Syntax SENSe lt slot gt JITTer MEASure WINDowed ALL 3 28 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SENSe JITTer MEASure WINDowed SIZE This command sets the duration in seconds of the interval over which windowed resu
176. results files On the OTS System To open a file on the OTS system the ResultsViewer must be connected to an operating OTS system Once the ResultsViewer is connected click on File and select Open File on Server A dialog box appears with a listing of all available files their creation times and any Test Description text with which the user annotated the test OTS9200 User Manual 2 53 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Connecting to an OTS System ResultsViewer uses the same mechanism as the OTS User Interface program TekUI The OTS user manual discusses this procedure in more detail In quick overview click on File and Select Server in ResultsViewer A dialog box displays from which the user can connect to an OTS system or disconnect an existing connection NOTE When ResultsViewer is started from TekUI it starts by default connected to the same OTS system as TekUI Viewing results files 2 54 When a test results file is opened a measurement screen is displayed as shown in Figure 2 42 The screen has three tabs for Cumulative Results Analysis Results and History Data The window title bar displays the file name the start time for the test displayed and the device whose data is displayed These screens provide the same information and controls as the Measurement Results screens in the TekUI Refer to M
177. rrent test To edit the test control settings click on the Edit Test Control Settings button The Test Control Parameters dialog box shown in Figure 2 14 is now displayed OTS9200 User Manual 2 23 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface 2 24 The Test Mode section enables the user to set continuous timed or timed repetitive tests The Continuous setting configures the test cycle so that it will run continuously from the time that the Start button is clicked until the Stop button is clicked The Timed setting configures the test cycle to run the test for the duration of the test time The Timed Repetitive setting configures the test cycle to run the test for the duration of the test time and then to repeat the same test again To choose the Test Mode click the appropriate radio button Edit Test Control Parameters x Test Mode Continuous C Timed C Timed Repetitive r Test Duration o E Days o E Hrs 15 H Mins o E Secs m Test Description oo Cancel Figure 2 14 Test Control Parameters dialog box The Test Duration section provides the means to set the length of the test if the Timed or Timed Repetitive tests were chosen To set the test duration select the desired test length time by clicking up down arrows in the Days Hours Minutes and Seconds boxes By clicking i
178. rs The first parameter may be an Enum keyword that specifies the specific filter or a NR1 value that specifies the filter s position in the list returned by the SENSe JITTer COMPliance OUTPut FILTer AVAlLable query The second parameter specifies the pass fail threshold in unit intervals Ul The query form returns the threshold setting for the specified filter Syntax SENSe lt slot gt JITTer COMPliance OUTPut FlLTer THREshold lt Enum gt lt NR1 gt SENSesslot JITTer COMPliance OUTPut FILTer THREshold lt Enum gt lt NR1 gt lt NR2 gt Parameters G10 10KPP G10 20KPP G10 50KPP G10 50KRMS G10 AMPP G2P5 5KPP G2P5 12KPP G2P5 12KRMS G2P5 1MPP M622 1KPP M622 12KPP M622 12KRMS M622 250KPP M155 500APP M155 12KPP M155 12KRMS M155 65KPP Description 9 953G band pass filter 10KHz to 80MHz Wide band Peak to peak measurement 9 953G band pass filter 20KHz to 80MHz Wide band Peak to peak measurement 9 953G band pass filter 50KHz to 80MHz Wide band Peak to peak measurement 9 953G band pass filter 5 OKHz to 80MHz Wide band RMS measurement 9 953G band pass filter 4MHz to 80MHz High band Peak to peak measurement 2 488G band pass filter 5KHz to 20MHz Wide band Peak to peak measurement 2 488G band pass filter 12KHz to 20MHz RMS Peak to peak measurement 2 488G band pass filter 12KHz to 20MHz RMS RMS measurement 2 488G band pass filter 1MHz to 20MHz High band Peak to peak measurement 622 08M band pass
179. rtisantg com Getting Started Jitter Test Applications This section briefly identifies typical applications for jitter testing Jitter Output Testing Also referred to as jitter generation testing jitter output testing measures the peak to peak jitter on the output signal of an instrument The test is generally performed on a stand alone network element and verifies that the output jitter of the instrument is within current standard specifications Measurements are made using one or more defined bandwidths The resulting value for each bandwidth is then compared against the specifications The measurement period is normally 60 seconds and results are in UIpp or Ulrms depending on the specification The basic setup using an OTS system for jitter output testing is shown in Figure 1 8 DEVICE UNDER TEST DUT Figure 1 8 Typical OTS System Set up for Jitter Output Testing Following the signal flow the signal is outputted from the device under test DUT and fed into the Optical In of the OTS91L1 card The signal is then converted into an electrical signal by the Optics card and sent to the electrical Data Out on the card The signal can be split using a power splitter to allow BER and jitter testing simultaneously Figure 1 7 demonstrates this option One of the split signals goes to the OTS91R2 card for BER measurements The other split signal goes to the OTS92HI Jitter Hybrid card of the jitter module From there the signa
180. rumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SYSTem COMMunicate PORT RXTERM This command selects for the current remote control port the character the OTS system recognizes as End of Input The query form returns the current setting Syntax SYSTem COMMunicate PORT RXTERM SYSTem COMMunicate PORT RXTERM lt Enum gt Parameters Description LF Line feed LF character 0x0A an optional preceding CR is ignored CR Carriage return CR character 0x0D an optional preceding LF is ignored SYSTem COMMunicate PORT TXTERM This command controls for the current remote control port the characters the OTSsystem sends at the end of a query response The query form returns the current setting Syntax SYSTem COMMunicate PORT TXTERM SYSTem COMMunicate PORT TXTERM lt Enum gt Parameters Description LF Line feed LF character Ox0A CR Carriage return CR character OxXOD CRLF CR followed by LF LFCR LF followed by CR SYSTem COMMunicate SERIal COMIA DTR This command controls the state of the DTR Data Terminal Ready control signal on the COM1 port The query form returns the current setting Syntax SYSTem COMMunicate SERIal COM1A DTR SYSTem COMMunicate SERIal COM1A DTR Boolean OTS9200 and OTS92S1 User Manual 3 55 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Comman
181. rview OTS92H1 Clock Recovery The OTS92HI Clock Recovery card provides three LEDs Module OK The Module OK LED should be green while the instrument 1s running On power up the LED first lights red then will switch to green when the system has finished initializing The LED lights to yellow when FPGA has completed loading NOTE If the LED remains red after the system has finished initializing call Tektronix for service Lock Status Rx Lock Status or the Receive LED when LEDs is off the OTS92HI card has been disabled by the system software and is not in use Red indicates an enabled state with no signal present Green indicates an enabled state with signal present Tx Lock Status or the Transmit LED when LEDs is off the OTS92HI card has been disabled by the system software and is not in use Red indicates an enabled state with no signal present Green indicates an enabled state with signal present 10 GHz Clock Out This output is connected to the OTS92R1 card using the coax cable provided The signal is the recovered clock from the received data signal Connector SMA AC coupled 700 mVpp typical into 50Q Frequency 9 95328 GHz 2 6 Tektronix OTS92H1 EET ide CLK REC Figure 2 4 Clock Recovery Card Front Panel OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics Front Panel Indicators and Co
182. ry SOURce JITTer BUSY should be used to determine when the operation has completed The query form returns the current setting Syntax SOURce lt slot gt JITTer STATe SOURce lt slot gt JITTer STATe Boolean 3 48 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SSYNC CLOCK OFFSet This command sets the frequency offset in ppm The query form returns the current setting Syntax SYNC lt slot gt CLOCk OFFSet SYNC lt slot gt CLOCk OFFSet lt NR2 gt SSYNC CLOCK OFFSet RANGe This query returns the minimum and maximum frequency offset values in ppm The values are returned in NR2 format Syntax SYNC lt slot gt CLOCk OFFSet RANGe SYNC CLOCK REFErence This command sets the reference clock source The query form returns the current setting Syntax SYNC lt slot gt CLOCk REFErence SYNC lt slot gt CLOCk REFErence lt Enum gt Parameters Description INTErnal Internal Sync card clock EXTErnal External clock reference RECOvered Recovered clock reference SYNC CLOCK REFErence RATE This command sets the external reference clock rate The query form returns the current setting Syntax SYNC lt slot gt CLOCk REFErence RATE SYNC sslot CLOCKk REFErence RATE lt Enum gt Parameters Description M1P5Bits External clock reference is 1 5M Bits second M2A External
183. s running On power up the LED first lights red then will switch to green when the system has finished initializing The LED lights to yellow when FPGA has completed loading NOTE If the LED remains red after the system has finished initializing call Tektronix for service Lock Status The Lock Status LED indicator lights to green indicating reference PLL and DPA PLL are locked Lighting to red indicates PLL or DPA PLL is not locked Recovered Clock OUT The Recovered Clock Out port interface supports the following AC coupled ECL 50Q source terminated 0 4Vpp to 0 6Vpp into 509 45 55 duty cycle Recovered Clock is selectable dependent on live rate for at least one rate plus disabled 10 GHz CLOCK IN The 10 GHz Clock IN port interface supports the following AC coupled 0 5Vpp to 0 1 Vpp into 502 Rate 9 953280 GHz Connects to the OTS92H1 card using cable provided Received Data IN The 2 5 GHz Received Data IN port supports 2 5 GHz and lower rates at AC coupled 0 5Vpp to 0 1 Vpp into 509 2 5 GHz Data In OC192 Rate at 9 953280 kb s pattern 23 bulkfilled VC 4 64c PN working through PN7 scrambler allows 30 as the maximum amount of ones or zeroes Optical line code is scrambled Non Repeating Zero NRZ 2 2 Tektronix OTS92R1 MODULE 9x LOCK d STATUS Figure 2 2 Receive Card Front Panel OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 88
184. s the progress bar display advances and the graph and Results display are updated as measurements are made Compliance OTS92T1 Jitter Generator 1 Line Rate Elapsed TestTime mm 9 953 Gb s 0114 D Percent Complete 100 Point 2 Time 6 Meas Test Type Freq 2K Ampl 15 000 Tolerance Power Penalty Acceptance Edit Settings Start Test Tolerance Test Condition Payload Bit 7 Edit Mask Stop Test Save Results Mask Selection Seve Resul Figure 2 25 Test monitoring bar The individual measurements appear as dots on the graph Measurements that pass are shown as green dots those that fail are shown as red dots If a measurement s applied jitter amplitude is limited by the maximum capability of the jitter generator it is marked at source limit in the status field and it is shown as a green or red dot with a black center and if space permits the word LIMIT next to or below it The frequency mask value amplitude applied and pass fail status for each point are shown in the window below the graph These values also appear in the Cursor window for the point at the cursor A jitter tolerance measurement displays the value measured rather than the amplitude applied Saving Results 8 Copy Jitter Tolerance Test Results to Clipboard or File S To save the results of the test Copy or save format Copy to Clipboard Text separated by spaces when completed click the C Test separated by tabs Save Resul
185. s and anomalies Events may be printed as they are logged if a printer is attached to the system or the list of logged events may be captured to a file or to the Windows clipboard Starting the Event Printer program The Event Printer is a separate application from the user interface To start Event Printer double click its desktop icon When started the Event Printer main screen is displayed as shown in Figure 2 44 ici xi Logging Off Display Display Print Select Events Copy to Clipboard Copy to File Copy to Printer Clear Figure 2 44 Event Printer main screen Logging Logging controls how events are logged The selections available are o Off Event logging is disabled o Display Events are logged to the application s text window only o BDisplay Print Events are logged to the application s window and to the default Windows printer Select Events Clicking this button brings up a window shown and discussed below with which the user selects the events to be monitored Copy to Clipboard Clicking this button copies the list of logged events to the Windows Clipboard from which it may be pasted into another application such as a word processor OTS9200 User Manual 2 57 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Copy to File Clicking this button brings up a file selection dialog with whi
186. s filter 4MHz to 80MHz High band Peak to peak measurement 2 488G band pass filter 5KHz to 20MHz Wide band Peak to peak measurement 2 488G band pass filter 12KHz to 20MHz RMS Peak to peak measurement 2 488G band pass filter 12KHz to 20MHz RMS RMS measurement 2 488G band pass filter 1MHz to 20MHz High band Peak to peak measurement 622 08M band pass filter 1KHz to 5MHz Wide band Peak to peak measurement 622 08M band pass filter 12KHz to 5MHz RMS Peak to peak measurement 622 08M band pass filter 12KHz to 5MHz RMS RMS measurement 622 08M band pass filter 250KHz to 5MHz High band Peak to peak measurement 155 52M band pass filter 500Hz to 1 3MHz Wide band Peak to peak measurement 155 52M band pass filter 12kHz to 1 3MHz RMS Peak to peak measurement 155 52M band pass filter 12kHz to 1 3MHz RMS RMS measurement 155 52M band pass filter 65HKz to 1 3MHz High band Peak to peak measurement This test step has not yet run This test step passed This test step failed This test step is in progress This test step lacks valid data OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SENSe JITTer COMPliance OUTPut FILTer THREshold This command sets the thresholds and measurement types for the filters included in a user defined output jitter test The command requires two paramete
187. s in the navigation window for each card loaded into the system These icons always reflect the cards loaded and will change depending on the system being used Because of this on the fly software feature some of the menus and abilities described in this manual may not be available in all systems since many features require a particular card installation In addition some of the menu screens may appear different from those displayed in this manual The user interface screen has a number of windows and bars that comprise the main screens of the software some of which may be disabled The next section Elements of the User Interface identifies each element on the main screen The sections following it provide supporting descriptions for each of these elements NOTE The user interface is a Microsoft Windows 20000 application Information regarding standard Windows 2000 functions is beyond the scope of this document For further information on basic commands and functions of Windows 2000 refer to the Windows 2000 manual OTS9200 User Manual 2 11 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Elements of the User Interface The user interface has a number of windows and bars that comprise the main screens of the software Figure 2 6 identifies each of these elements The Navigation Window Laser and Test Control bars and Status bars may be dis
188. second oe NT e Sliding window of 2 120 sec with 1 sec RMS jitter UI increment or infinite window max hold Additional Tests Jitter hit count Jitter hit seconds variable threshold over entire measurement range LOS seconds MEASUREMENT RANGE Rate AO A4 f0 f1 f3 f4 Mb s Ul UI Hz Hz Hz Hz 9953 28 3800 0 2 10 632 12 0M 80M 2488 32 900 0 3 10 2222 6 67 M 20M 622 08 450 0 3 10 1111 1 67 M 5M 155 92 450 0 3 10 289 433 k 1 3M Display resolution Peak to peak jitter ssssssssssessseseeneneeeenenen nene en nennen nennen nnn nnne eis 0 001 UI aisi Eina 0 0001 UI OTS9200 and OTS92S1 User Manual A 5 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Specifications Measurement Bandwidths Line Rate HPF Line Rate HPF LPF 3dB freq 3dB freq 3dB freq 3dB freq 9953 28 Mb s 10 Hz 622 08 Mb s 10Hz 5 MHz 9953 28 Mb s 10 kHz 622 08 Mb s 1kHz 5 MHz 9953 28 Mb s 20 kHz 622 08 Mb s 12kHz 5 MHz 9953 28 Mb s 50 kHz 622 08 Mb s 250 kHz 5 MHz 9953 28 Mb s 4 MHz o 2488 32 Mb s 10 Hz 155 52 Mb s 10 Hz 1 3 MHz 2488 32 Mb s 5 kHz 155 52 Mb s 500 Hz 1 3 MHz 2488 32 Mb s 12 kHz 155 52 Mb s 12 kHz 1 3 MHz 2488 32 Mb s 1 MHz 155 52 Mb s 65 kHz 1 3 MHz RMS is avail
189. setting for the specified mask Syntax SOURce lt slot gt JITTer COMPliance MASK NPOints lt Enum gt SOURce lt slot gt JITTer COMPliance MASK NPOints lt Enum gt lt NR1 gt Parameters Description CURRent The currently selected Jitter Transfer or Jitter Tolerance Mask GR253TL GR 253 Jitter Tolerance Mask GR253REQTL GR 253 Jitter Tolerance Requirement Mask GR2530BJTL GR 253 Jitter Tolerance Objective Mask G877TL GR 1377 Jitter Tolerance Mask Obsolete Standard G825NET1P5TL G 825 Jitter Tolerance Mask 1 544 kbits s networks G825NET2TL G 825 Jitter Tolerance Mask 2 048 kbits s networks G958TYPEATL G 958 Jitter Tolerance Mask Type A G958TYPEBTL G 958 Jitter Tolerance Mask Type B USER1TL User Defined Jitter Tolerance Mask 1 USER2TL User Defined Jitter Tolerance Mask 2 USER3TL User Defined Jitter Tolerance Mask 3 USER4TL User Defined Jitter Tolerance Mask 4 USER5TL User Defined Jitter Tolerance Mask 5 GR253TR GR 253 Jitter Transfer Mask G783A1P5TR G 783 Type A Jitter Transfer Mask 1 544 kbits s networks G783A2TR G 783 Type A Jitter Transfer Mask 2 048 kbits s networks G783BTR G 783 Type B Jitter Transfer Mask USER1TR User Defined Jitter Transfer Mask 1 USER2TR User Defined Jitter Transfer Mask 2 USER3TR User Defined Jitter Transfer Mask 3 USER4TR User Defined Jitter Transfer Mask 4 USER5TR User Defined Jitter Transfer Mask 5 3 38 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Gua
190. slot JITTer CLOCk SOURce lt Enum gt Parameters Description BACKplane Synchronizing to OTS92S1 Synchronization module INTErnal Self Timing SOURceJITTer COMPliance MASK This command selects the jitter compliance test mask to use The query form returns the current setting Syntax SOURcesslot JITTer COMPliance MASK SOURCcesslot JITTer COMPliance MASK lt Enum gt Parameters Description GR253TL GR 253 Jitter Tolerance Mask GR253REQTL GR 253 Jitter Tolerance Requirement Mask GR2530BJTL GR 253 Jitter Tolerance Objective Mask GR1377TL GR 1377 Jitter Tolerance Mask Obsolete Standard G825NET1P5TL G 825 Jitter Tolerance Mask 1 544 kbits s networks G825NET2TL G 825 Jitter Tolerance Mask 2 048 kbits s networks G958TYPEATL G 958 Jitter Tolerance Mask Type A G958TYPEBTL G 958 Jitter Tolerance Mask Type B USER1TL User Defined Jitter Tolerance Mask 1 USER2TL User Defined Jitter Tolerance Mask 2 USER3TL User Defined Jitter Tolerance Mask 3 USER4TL User Defined Jitter Tolerance Mask 4 USER5TL User Defined Jitter Tolerance Mask 5 GR253TR GR 253 Jitter Transfer Mask G783A1P5TR G 783 Type A Jitter Transfer Mask 1 544 kbits s networks G783A2TR G 783 Type A Jitter Transfer Mask 2 048 kbits s networks G783BTR G 783 Type B Jitter Transfer Mask USER1TR User Defined Jitter Transfer Mask 1 USER2TR User Defined Jitter Transfer Mask 2 USER3TR User Defined Jitter Transfer Mask 3 USER4TR User Defined Jitter Transfer Mask 4 USER
191. st Standard pull down menu the user may enable individual filter parameters For each enabled filter the user can change the Threshold level by typing a new number into the Threshold field To accept the entries made click on the OK button After the Set Output Jitter Test Parameters dialog box closes click on Start Test to initiate a new test 2 30 OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Compliance Jitter Generator The Jitter Generator Compliance menu shown in Figure 2 21 controls jitter transfer and tolerance testing The menu displays readings for Line Rate Elapsed Time Test Type Tolerance Test Condition and Mask Selection as well as numerous control points for the results grid When the Edit Settings button is clicked the Set Output Jitter Test Parameters dialog box is displayed allowing the user to make changes to the jitter compliance test setup ystem View Device Window Help s e Ir H P LAS A BI EI la On on Au Lasers E ES At m E Jan Tests gt on a Compliance OTS92T1 Jitter Generator 1 Line Rate Elapsed Test Time 3 953 Gb s 00 00 test Type Analysis Tolerance Power Penalty Acceptance Me APSMeas Tolerance Test Condition i a Start Test ES load Bit gt Compliance EditMask ze Kl ve Result o ug Mask Selection Zaia Fiaa Orsan Jitter GPR 253 OC 192 Ji
192. stem menu 2 14 OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface LED Window B The LED window does not apply to the OTS9200 module except in the summary LED Display state When supporting OTS cards are included in a configuration on the system the LED window is active in all states Activating the LED window provides the user with a virtual LED status panel The virtual indicators found on this window provide error conditions both current and historical for all traditional receiver error LEDs The LED window may be activated through the View menu or from the toggle button on the toolbar Each LED has two separate conditions The current condition is on the right and the history or past condition is on the left The current indicators will turn red and the history indicators will turn yellow if an error condition currently exists Once the condition has been removed the red current indicator will turn off The yellow history indicator will remain on until a new test has been started or until the Clear History button is clicked See Table 2 1 for a description of each indicator Module LED Panel The module LED panel operates like the LED Window This panel is accessed via the View menu It may also be toggled from the tool bar To make the panel always remain on top of the Windows screen check the box marke
193. sting NOTE When using the OTS equipment for this test make sure that on the 10Gb s Transmitter card the Timing Source chosen is Jitter Otherwise the jitter signal will not be transmitted OTS9200 and OTS92S1 User Manual 1 25 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Getting Started Jitter Transfer Testing Jitter Transfer testing uses the same set up as jitter tolerance as shown in Figure 1 11 Jitter transfer measures the jitter carried on the output signal A Narrow Band sinusoidal jitter signal is introduced to the device under test The measured output signal is then compared to the input jitter signal The ratio of this comparison identifies the jitter transfer of the device under test Figure 1 12 demonstrates a typical OTS system set up for jitter transfer testing DEVICE UNDER TEST DUT In Jitter Tolerance testing BER is measured on output signal from DUT In Jitter Transfer testing Narrow Band Jitter amplitude is measured on DUT Figure 1 12 Typical OTS System Set up for Jitter Transfer Testing Jitter Transfer testing requires that a calibration run be performed on the device under test before the actual test is run To perform a calibration run the device under test is looped back into itself and then the output signal measured This sinusoidal signal is then compared to the actual test results and removed from the final results
194. surements OTS92R1 Jitter Analyzer 1 Setup Real Time Cumulative History Rate 2 488 Gb s Seconds RJ E Edit Filter 5 kHz 20 MHz Wideband Clear r Measurement Results Last 60 Seconds LOS Seconds 0 Window Status Valid Bo 1 Ge DTSS2FI1 Jitter Peak Peak Jitter 1 151 Ul Analyzer 1 Maximum Peak Jitter 0 400 Ul ieee aa Minimum Peak Jitter 0 751 UI Receiver 1 RMS Jitter Ul Figure 2 16 Real Time menu Note that the RMS Jitter block in Figure 2 16 is grayed out This measurement is only active if the Wideband RMS filter bandwidth is selected in the Receiver Setup menu OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Measurements Cumulative The cumulative menu displays the test state time elapsed and measurements results The results are accumulated while the test is in progress and are cleared when a new test begins The measurements shown reflect the display choice as shown in Figures 2 17 Measurements OTS92R1 Jitter Analyzer 1 RMS Jitter Figure 2 17 Cumulative Measurements Display OTS9200 User Manual 2 27 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Measurements History 2 28 The history display shows the results history data co
195. t State Complete Test Mode Continuous Elapsed Time Os Start Pause Edit OTS92A1 Jitter Analyzer 1 OTS93R1 2 5 Gb Receiver 1 CG Summary APS Meas Compliance For Help press F1 0000800000 0000 090000 Clear History Bee BE Bes Figure 2 15 Test Control Summary menu OTS9200 User Manual 2 25 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Measurements Menu When Measurements is selected from the Navigation window the Measurements menu is displayed The Measurements menu provides separate configuration control over each receiver by these individual icons If an Rx icon is clicked the Receiver signal monitor menu is displayed This menu contains three separate menu screens each selected by a tab These tabs Real Time Cumulative and History each display is an aspect of the Receiver Measurement function Measurements Real Time 2 26 The real time display menu provides the ability to view the measurements monitored during the last n seconds up to 120 The time component can be changed through the Seconds field click on edit to activate the field The measurements shown reflect the display choice as shown in Figure 2 16 System View Device Window Help Ia 3 SS A a E A on Or Alllasers zl A e m m E arTests zix Mea
196. ter Hybrid Rx 2 2 Index 2 Artisan Technology Group Quality Instrumentation Jitter measurements 1 1 2 3 5 Jitter output 1 1 23 30 31 32 Jitter Output Receive Only Testing in Manufacturing 1 31 Jitter Output Testing 1 30 Jitter Receiver 1 1 23 Jitter Signal 2 22 23 Jitter Signal Parameters 1 11 22 Jitter Test Applications 1 30 Jitter testing 1 3 11 14 15 jitter tolerance 1 1 33 34 Jitter Transmitter Setup 1 22 L Laser Control Bar 2 15 Laser On 2 16 LED 2 2 5 7 10 15 17 18 19 20 Lock Status 2 2 5 7 10 Loop timing 1 4 LOS 2 18 30 48 50 51 53 Loss of Signal 2 18 30 Lower Trace 2 30 Low intrinsic noise 1 1 2 Lower Trace Parameters 1 26 M Main Status Bar 2 16 Male to female connector 1 6 Manufacturing Test 1 4 Maximum Peak 2 30 Measurement Results 1 24 Measurement Title bar 1 24 Module cards 1 7 8 9 10 11 Module Interconnection 1 11 Module Quick Check 1 19 27 Multi module system 1 10 Multi Rate Jitter Configuration 1 14 Multi rate jitter testing 1 14 N Narrow Band sinusoidal jitter signal 1 34 Navigation Mode 2 36 37 Navigation window 1 20 22 23 24 27 28 29 2 15 21 25 28 Navigation Window 2 14 21 31 36 37 Non Repeating Zero 2 2 O OC192 2 2 Opening Files on Local System 2 44 Operation 2 44 Optical Test System 2 13 OTS9200 and OTS92S1 User Manual Guaranteed
197. ter Tolerance Objective Mask G877TL GR 1377 Jitter Tolerance Mask Obsolete Standard G825NET1P5TL G 825 Jitter Tolerance Mask 1 544 kbits s networks G825NET2TL G 825 Jitter Tolerance Mask 2 048 kbits s networks G958TYPEATL G 958 Jitter Tolerance Mask Type A G958TYPEBTL G 958 Jitter Tolerance Mask Type B USER1TL User Defined Jitter Tolerance Mask 1 USER2TL User Defined Jitter Tolerance Mask 2 USER3TL User Defined Jitter Tolerance Mask 3 USER4TL User Defined Jitter Tolerance Mask 4 USER5TL User Defined Jitter Tolerance Mask 5 GR253TR GR 253 Jitter Transfer Mask G783A1P5TR G 783 Type A Jitter Transfer Mask 1 544 kbits s networks G783A2TR G 783 Type A Jitter Transfer Mask 2 048 kbits s networks G783BTR G 783 Type B Jitter Transfer Mask USER1TR User Defined Jitter Transfer Mask 1 USER2TR User Defined Jitter Transfer Mask 2 USER3TR User Defined Jitter Transfer Mask 3 USER4TR User Defined Jitter Transfer Mask 4 USER5TR User Defined Jitter Transfer Mask 5 OTS9200 and OTS92S1 User Manual 3 37 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SOURce JITTer COMPliance MASK NPOints The first command parameter specifies a mask use the keyword CURRENT to specify the mask currently selected This command sets the number of measurement points to be used when testing with the specified mask The query form returns the current
198. than 2 in lbs of force or damage will occur 5 Verify that the power switch of the OTS chassis is in the OFF position 6 Plug the unit into the appropriate AC Power source as follows Table 1 4 Power Requirements AC Voltage Voltage Range Frequency Range 110 VAC 90 VAC 132 VAC 48 62 Hz 220 VAC 180 VAC 250 VAC 48 62 Hz CAUTION If the OTS92T1 or OTS92R1 cards are installed with an unpopulated module slot to the right you must install the Air Management Card Installing the Air Management Card in the right hand slot beside the card ensures the jitter cards are properly cooled and won t be damaged due to overheating Removing Module Cards To remove the module cards perform the following steps connectors If hanging loose when modules are moved the dust caps can swing damaging the EMI gaskets and potentially shorting to parts behind the front panels All modules are static sensitive When handling module cards ensure that personnel are properly grounded and module cards are always placed on anti static surfaces If proper precautions are not taken damage will occur CAUTION Before installing or removing module cards secure dust caps onto optical 1 Turn off the power to the OTS system 2 Fully loosen the two screws found on the top and bottom of the module card 3 Push up on the top release and down on the bottom release until the card is released from the connectors 4 Carefu
199. the Repair Disk utility to make an emergency repair disk The Repair Disk utility saves all of your current system settings to an Emergency Repair Disk ERD Y ou can then use this disk to restore your computer if files become damaged It is strongly recommended that you create and update an ERD every time you make significant changes to your hardware or software setup To start Repair Disk gt Click here M For information about how to use Repair Disk click the Help menu in Repair Disk OTS9200 and OTS92S1 User Manual C 1 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Emergency Startup Disk 4 The Repair Disk Utility box is now displayed In this box you may update the repair information create the repair disk exit or request additional help Click Create Repair Disk r amp Repair Disk Utility lel Ea This utility updates the repair information saved when you installed the system and creates an Emergency Repair disk The repair information is used to recover a bootable system in case of failure This utility should not be used as a backup tool Create Repair Disk Exit Help 5 The computer then prompts you to label the floppy disk and insert it into your floppy disk drive Click on OK to continue Repair Disk utility LX N Label a floppy disk Emergency Repair Disk and insert it into drive A Select OK when the disk is in the drive Warni
200. the specified buffer The buffer specification is a number in the range 1 to 99 Syntax RCL lt NR1 gt RST This command restores all system parameters to their default values Syntax RST SAV This command saves system parameter settings to the specified buffer The buffer specification is a number in the range 1 to 99 Syntax SAV lt NR1 gt 3 16 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SENSe JITTer BUSY This query returns the busy status of the jitter analyzer module It should be used following the command SENSe JITTer RATE to verify that the rate operation has completed Syntax SENSe lt slot gt JITTer BUSY SENSe JITTer COMPliance OUTPut FILTer AVAlIlable This query returns a list of the filters included in the currently selected test standard For a user defined standard this list specifies the filters that may be selected as part of the test For non user defined test standards this query returns a list of the filters specified by the standard Syntax SENSesslot JITTer COMPliance OUTPut FILTer AVAllable Parameters G10 10KPP G10 20KPP G10 50KPP G10 50KRMS G10 AMPP G2P5 5KPP G2P5 12KPP G2P5 12KRMS G2P5 1MPP M622 1KPP M622 12KPP M622 12KRMS M622 250KPP M155 500APP M155 12KPP M155 12KRMS M155 65KPP OTS9200 and OTS92S1 User Manual
201. threshold the device under test can tolerate the jitter applied The 1 dB optical power penalty method uses an attenuated input signal adjusted to achieve a specified error rate typically approximately 100 errors per second with no jitter applied The input power level is increased by dB this action reduces the error rate Jitter of a specified frequency and amplitude is then applied and the error rate again measured If the error rate with jitter is at or below the error rate initially measured at reduced power the device under test can tolerate the jitter applied The fully automated compliance test applies jitter and measures errors at a series of frequency amplitude points The OTS9200 performs both jitter tolerance acceptance tests and jitter tolerance measurements as follows o Acceptance test functions as described above it applies jitter at a set of particular frequencies and amplitudes and verifies that the device under test functions under those conditions Any point for which the device under test cannot tolerate the specified jitter causes the test to fail o Measurement test attempts to determine the maximum level of jitter with which a device will function The OTS9200 applies jitter at the same frequencies as for the acceptance test but at each frequency it varies the jitter amplitude to find the level at which the device under test fails the selected criterion The highest level at which the device under test passes becom
202. ts button to opena C Spreadsheet format separated by commas Cancel l Copy to Clipboard dialog as Spreadsheet format separated by tabs Graphical plot of mask and results Jv Include test information in graph caption shown in Figure 2 26 From here you can save the test results to a file or copy them to the Windows Clipboard The results may be saved as text formatted with spaces or tabs as comma separated data or as a bitmap image of the graphical display Jitter tolerance test results for OTS92Tl 1 26 Feb 2002 11 57 28 Line rate 9 953 Gb s Test type Tolerance Onset Acceptance Mask GR 253 0C 192 Jitter Tolerance Requirement Mask sl gt You may enter text here to identify the test or annotate the results Use the ENTER key to end each line Figure 2 26 Copy to Clipboard dialog 2 36 OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Jitter Transfer To select a jitter transfer compliance test choose Transfer from the Test Type pull down menu The following jitter transfer tests are available O Transfer Fast uses an efficient jitter transfer measurement to achieve the shortest test time for most test situations this technique yields satisfactory accuracy O Transfer High accuracy uses an integration technique to minimize the effects of noise and random vari
203. tter Tolerance Requirement Mask gt nalyzer 1 Num Measurements Settling Time Point Meas Time Point Test State 6 2 30 SEET BER Threshold Generator 1 0 000e 000 Stimulus 75 Ul 100 Show Grid M Vertices IT Gen M Connect Freq 10Hz Mask 15UI 0 16 Hz 10 2K 20K 400K 4M 80M Freq Mask Ampl Status Figure 2 21 Jitter Generator Compliance Menu OTS9200 User Manual 2 31 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Jitter Tolerance To select a jitter tolerance compliance test choose Tolerance from the Test Type pull down menu The following jitter tolerance tests are available o Tolerance Power Penalty Acceptance o Tolerance Power Penalty Measure o Tolerance Onset Acceptance o Tolerance Onset Measure A jitter tolerance test verifies a network element s ability to perform its function in the presence of jitter on its input signal This is traditionally measured in one of two ways The onset of errors method starts with a signal that is error free when no jitter is applied Jitter of a specified frequency and amplitude is then applied to the input of the device under test and its output is monitored for errors for a specified time interval If during this interval the number of errored seconds one second intervals in which one or more errors occur is at or below a
204. tter amplitude capability of the jitter generator The Copy Mask button which is enabled for user defined masks allows copying the data from a standard mask or another user defined mask The Add extra measurement points field allows specifying particular frequencies at which you want measurements to be made These points are independent of those automatically assigned The frequencies specified must be within the range covered by the mask This feature may be used to concentrate measurements in a frequency range that is of particular interest Figure 2 24 OTS9200 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface illustrates this feature by showing measurement points added at 6 KHz 8 KHz and 10 KHz Observe that extra measurement points may be specified for both standard masks and user defined masks Edit Jitter Tolerance Mask Copy Mask Figure 2 24 Example of mask with extra data points OTS9200 User Manual 2 35 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Operating Basics User Interface Running a Test and Viewing the Results To run a test click the Start Test button A test monitoring bar is now displayed above the Start Test button as shown in Figure 2 25 During the execution of the test the Elapsed Test Time indicator increment
205. tter compliance tolerance search method source jitter compliance time measure source jitter compliance time settle source jitter compliance transfer amplitude source jitter compliance transfer fmin source jitter compliance transfer fmin enable source jitter compliance transfer calstate source jitter compliance state source jitter compliance progress source jitter compliance outcome source jitter compliance results source jitter compliance results full source jitter compliance results time OTS9200 and OTS92S1 User Manual Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Syntax Syntax This section contains information on the Standard commands for Programmable Instruments SCPI and IEEE 488 2 Common Commands that may be used to program the OTS system IEEE 488 2 Common Commands Description ANSI IEEE Standard 488 2 defines the codes formats protocols and usage of common commands and queries used on the GPIB interface between the controller and the instruments The OTS system complies with this standard Command and Query Structure The syntax of an IEEE 488 2 common command is an asterisk followed by a command and optionally a space and parameter value The syntax for an IEEE 488 2 common query is an asterisk followed by a query and a question mark The following are examples of common commands ESE 16 CLS The following are examples of common queries ESR
206. ual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Table of Contents e uurEbb0Nmedelm doa 3 15 el cT Em TT TERRI 3 15 ESE NN RERO ERUIT Mee 3 15 ESR A mM TN 3 15 MIB T E 3 15 W CV 3 15 uellep 3 16 rici 3 16 IRS Neate P 3 16 ucl E 3 16 SENSeITTetr BUSY EE 3 17 SENSe JITTer COMPliance OUTPut FILTer essen 3 17 GENZGe JfTerCOMblance OUlTbutOoUlTCGome nennen 3 21 GENZGe JfTerCOMblance OUlTbutbbO Grees eene nennen 3 22 SENSe JITTer COMPliance OUTPut STANdard eese 3 22 SENSe JITTer COMPliance OUTPut STAT 6 mener tnrnnn 3 23 SENSe JITTer COMPliance OUT Put TIME nennen 3 23 PO ENS rd IR e TEE 3 24 SENSe JITTerHI T EHRESshold iiti iiti an cena cree nae ruoli 3 24 SENSE JITTE LOCK CIE 3 25 SENSe JITTer MEASure CUMUlative essere 3 25 GENZGe JfTerMEAGure Chen 3 26 SENSe JITTer MEASure REALtime eese nnne nnne 3 27 SENSe JITTer MEASure W INDOwed eese nennen nennen nnne nnn 3 28 GENGe JiTerOUTburhRANGe A 3 29 PO ENSe IT TERRA cr 3 29 SENSe JIT Ter RECOvered R
207. uery form returns the current setting Syntax SYSTem COMMunicate NETWork IPPORT SYSTem COMMunicate NETWork IPPORT lt NR1 gt SYSTem COMMunicate NETWork PROMpt This command sets the initial state of the user prompt on new network connections This setting has no effect on connections already established see SYSTEM COMMUNICATE PORT PROMPT The query form returns the current setting Syntax SYSTem COMMunicate NETWork PROMpt SYSTem COMMunicate NETWork PROMpt Boolean SYSTem COMMunicate NETWork RXTERM This command sets the initial selection for new network connections of the character recognized as End of Input This setting has no effect on connections already established see SYSTEM COMMUNICATE PORT RXTERM The query form returns the current setting Syntax SYSTem COMMunicate NETWork RXTERM SYSTem COMMunicate NETWOork RXTERM lt Enum gt Parameters Description LF Line feed LF character 0x0A an optional preceding CR is ignored CR Carriage return CR character OxOD an optional preceding LF is ignored OTS9200 and OTS92S1 User Manual 3 53 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SYSTem COMMunicate NETWork TXTERM This command sets the initial selection for new network connections of the characters sent at the end of a query response This setting has no effect on connections already establ
208. w and select Options The options menu allows the user to customize the user interface to their preferences The OTS9200 module works with jitter and clock and will not be effected by many of these settings The OTS9100 module is effected by all of the settings within this menu Options Al m Display Notation r Page Title Navigation Mode C SONET Active page ByFunction C SDH Application titlebar By Device Track module setting IV Group devices Server v Restore connection to server at startup Recent connection list contains E servers r Configure Display for C 800x600 1024 x 768 or larger Cancel Restore Defaults Figure 2 34 View Options dialog box MV Show splash screen on startup Display Notation Since SONET and SDH provide different notation in regards to some measurements the display notation option allows the user to set the notation to their choice If SONET is selected then where applicable all notation will be in SONET If SDH is selected then where applicable all notation will be in SDH NOTE This switch does not affect the actual functionality of the module It affects only the notation on the user interface for viewing convenience If the Track Module Setting option is selected then the display notation follows that of the module setting For example if the module is set to SONET mode then SONET notation is displayed
209. ways be included in the accepted short form In Figure 3 2 the 1 of COM1A is always included in the command or query Controlling Responses to Queries You can control the form of responses returned by queries by changing the parameter values of SYSTem HEADers and SYSTem VER Dose These two commands control whether the query nodes are returned with the response and if the query nodes are returned whether they are in the long or short form SYSTem HEADers controls the presence of the query nodes and SYSTem VERBose controls the length of these nodes The table below shows the possible combinations of these commands and an example of a query response SYSTem HEADers set to SYSTem VERBose setto Example of a response 1 or ON 1 or ON OUTPUTI TELECOM TYPE OPTICAL 1 or ON 0 or OFF OUTPUTI TEL TYPE OPT 0 or OFF 0 or OFF OPT 0 or OFF 1 or ON OPTICAL 3 12 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Syntax Chaining Commands and Queries You can chain several commands or queries together into a single message To create a chained message first create a command or query add a semicolon and then add more commands or queries and semicolons until you are done Figure 3 3 illustrates a chained message consisting of several commands and queries The single chained message should end in a comma
210. www artisantg com INDEX 1 128MB RAM Upgrade 1 7 155Mb sIN 2 11 155MHz Clock Out 2 10 10 GHz Jitter 1 1 10Gb s DATA IN 1 12 16 2 7 10Gb s Jitter 1 2 11 13 15 17 19 10Gb s Jitter Testing 1 11 10GHz CLOCK IN 1 11 12 16 2 2 10GHz CLOCK OUT 1 11 12 16 10GHz JITTER CLOCK OUT 1 12 2 9 2 2 5GHz Jitter A Clock Out 2 7 2 5GHz Jitter B Clock Out 2 7 2 5 Jitter Clock In connector 1 19 2 9 2 5Gbs Jitter 1 2 2 5GHz Jitter 1 1 2 5GHz JITTER A CLOCK OUT 1 12 14 2 5GHz JITTER CLOCK IN 1 12 2 5 10MHz 2Mb sIN 2 11 4 4 25 coaxial cable 1 6 6 622MHz Clock Out 2 5 6 25 coaxial cable 1 6 8 8 25 coaxial cable 1 6 A Abbreviating commands 3 11 ADCs 1 3 Air diverter 1 6 Amplitude 1 3 23 33 Analog noise 1 1 Analog phase detector 1 3 Analysis 1 1 26 OTS9200 and OTS92S1 User Manual Artisan Technology Group Quality Instrumentation ANSI IEEE Standard 488 2 3 6 APS 1 27 Arranging Windows 2 46 Attaching to the Device to be tested 1 20 B B1 2 18 48 50 51 53 Back plane 4 8 Band limiting 1 1 BITS 1 4 Blanking panel 1 6 7 By Device 1 20 C Chaining Commands 3 12 Clean up process 2 42 Client lockout 2 16 Clock 1 4 19 20 23 Clock Recovery 2 1 7 8 10 Coax cable 1 11 12 14 16 Command Description 3 1 14 Command Format 3 8 Compliance 1 27 2 31 Compliance Title Bar 1 27 Configuring exported data 2 54 Con
211. y Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SYNC CLOCK STATus SIGNal EXTErnal This query returns whether the Sync module is receiving an external signal Syntax SYNC lt slot gt CLOCk STATus SIGNal EXTErnal Parameters Description OFF Signal not selected NOT PRESent Signal is not present PRESent Signal is present SRE This command sets the value of the IEEE 488 2 Service Request Enable Register Any bit in the IEEE 488 2 Status Byte Register that is set and for which the corresponding Service Request Enable Register bit is set causes a Service Request SRQ The query form returns the current setting of this register Syntax SRE SRE lt NR1 gt STB This query returns the current value of the IEEE 488 2 Status Byte Register Syntax STB STATus PRESet This command initializes the Interface Status subsystem to a defined initial state Syntax STATus PRESet Parameters Description NONE The GPIB port is disabled OTS9200 and OTS92S1 User Manual 3 51 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Reference Remote Commands Command Description SYSTem COMMunicate GPIB PRIMary This command sets the primary address for the GPIB remote control port A value of NONE disables the GPIB port The query form returns the current setting Syntax SYSTem COMMunicate GPIB

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