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80C04 User Manual

1. THIS WARRANTY IS GIVEN BY TEKTRONIX WITH RESPECT TO THE PRODUCT IN LIEU OF ANY OTHER WARRANTIES EXPRESS 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 W2 15AUG04 Table of Contents General Safety Sunmimary cicucasots cacanccsubaandeddue e i esee rne tad Une C e ens OY AN A ENNEN iv Environmental Considerations 0 c ccc eee nnn PEER ee ee sene seen vi luci vii specie vii Manual Structute 2 2 rdiet ee e Eso e ER Tes S do aM RES VINU Ded EET AR ISP ETE ID dus viii Related Documentation 2 ecc e RI OIO NA a MERE NRAe epi QNS A ME ee RS Dead eres ee pd viii Getting Started ERE 1 Product Description epore riens LU E E TE FERT CER TUN NET E RETO EE 1 Options and ACCessories oe e ear Ree E NEE E EEN EE AE eia 6 Installation e E a EE TE deen Wow dal EE AEE E 9 DICT MIEL ET 13 lr EM 13 Systema INnteractON PR 15 Front Panel Controls oossoo e E O R N blaietudeustaceatuadabebons 16 Comm
2. General Safety Summary Terms in This Manual These terms may appear in this manual WARNING Warning statements identify conditions or practices that could result in injury or loss of life CAUTION Caution statements identify conditions or practices that could result in damage to this product or other property Symbols and Terms onthe These terms may appear on the product Product m 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 The following symbol s may appear on the product A CAUTION Protective Ground Refer to Manual Earth Terminal 80C00 Series Optical Sampling Modules User Manual V Environmental Considerations Environmental Considerations This section provides information about the environmental impact of the product Product End of Life Observe the following guidelines when recycling an instrument or component Handling Equipment Recycling Production of this equipment required the extraction and use of natural resources The equipment may contain substances that could be harmful to the environment or human health if improperly handled at the product s end of life In order to avoid release of such substances into the environment and to reduce the use of natural resources we encourage you to recycle this
3. gt 60 GHz minimum gt 65 GHz typical 80C10B gt 75 GHz minimum gt 80 GHz typical 80C10B F1 and 80C25GBE gt 60 GHz minimum gt 65 GHz typical 1550 nm 25 uW 4 Vertical Offset 1310 nm 35 uW 4 Vertical Offset gt 30 GHz Up to 14 025 Gb s settings lt 10 uW x 2 vertical offset 20 GHz 30 GHz settings lt 10 uW x 4 vertical offset Independent channel deskew Standard Offset capability at front of module Standard Power meter Standard Some values in the table are typical a Ro N 80C00 Series Optical Sampling Modules User Manual The 80C10 80C10B and 80C25GBE have two separate optical inputs one for 1310 nm and one for 1550 nm Continuous rate clock recovery supporting any standard or user definable rate in the range from 9 8 Gb s to 12 6 Gb s The optical input powers below nondestructive levels may exceed saturation and compression limits of the module Compatible with single mode fiber of equal or smaller diameter Getting Started Options and Accessories This section lists the standard and optional accessories available for the sampling modules Options The following table lists available sampling module options Table 5 Available options Module Option Description 80002 Option CR Adds 9 95328 Gb s clock recovery Option 01 Adds Extinction Ratio calibration 80C07B Option CR1 Adds 155 622 10
4. 0 cece cece ene n eee eee eee ene eneeeeeeaeeeense eee eneeneeneenes 2 Table 3 Optical module features 80C07B 80C08C and 80C12 sss 3 Table 4 Optical module features 80C10 80C10B 80C11 and 80C2SGBE ceceeeee eens 4 Table 5 Available options oce e een eee xe ERR EA RI E SAES RE YR E EN den N eher Ra RS 6 Table 6 Standard accessories csse oreet ett ove e EEE KE E EOUARE S ve nn Nie Fete es meds 7 Table 7 Optional accessories 53 eec iex e tere eee PEE EET EEE E ONE T eg TUE 8 Table 8 Maximum optical signal levels 00 ccc ccc cece cece ence nee mee emen 15 Table 9 Clock recovery outputs sioe reet rae eea eE rre od E E Pee aUe eau rre Cedere ena 18 Table 10 Wavelength Filter and Bandwidth selections 00 ccceec cence eee e eee neeeeaeenneenaes 29 80C00 Series Optical Sampling Modules User Manual iii General Safety Summary General Safety Summary To Avoid Fire or Personal Injury iv Review the following safety precautions to avoid injury and prevent damage to this product or any products 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 a larger system Read the safety sections of the other component manuals for warnings and cautions related to operating the system Ground the product This produc
5. extinction ratio measurements in dB The Tektronix DSA8200 CSA8000 and TDS8000 Series instruments provide both an NRZ Extinction Ratio dB measurement and an NRZ Extinction Ratio Calibrated dB measurement When performing extinction ratio measurements you should use the calibrated measurement instead of the standard ER for improved accuracy and module to module repeatability This improvement only applies to balanced NRZ eye diagrams To obtain accurate results perform an NRZ Eye Autoset followed by a Dark Level Compensation before taking an Extinction Ratio measurement Please note the conditions under which Dark Level Compensation remains valid See page 24 80C00 Series Optical Sampling Modules User Manual 33 Reference 34 80C00 Series Optical Sampling Modules User Manual Glossary Accuracy The closeness of the indicated value to the true value Analog to Digital Converter A device that converts an analog signal to a digital signal Attenuation A decrease in magnitude for optical systems this is usually optical power of a signal Autoset A means of letting the instrument set itself to provide a stable and meaningful display of a given waveform Average Optical Power AOP The time averaged measurement of the optical power over a much longer time period than the bit rate of the signal Bandwidth The difference between the limiting frequencies of a continuous frequency spectrum Bandwidth is the fre
6. Gb s G 709 FEC 43 018 Gb s 40GBase FR 41 25 Gb s Optional 100GBase xR4 25 781 Gb s 100Gbase xR4 FEC 27 739 Gb s 80011 1310 nm 1550 nm User None select a bandwidth OC 192 STM 64 9 953 Gb s 10GBASE W 9 953 Gb s 10GBASE R 10 31 Gb s 10GFC 10 518 Gb s G 975 FEC 10 66 Gb s G 709 FEC 10 709 Gb s 10GbE FEC 11 10 Gb s 10GFC FEC 11 317 Gb s 16GFC 14 025 Gb s 20 GHz 30 GHz 80012 850 nm 1310 nm 1550 nm None select a bandwidth 1G FibreChannel 1 0623 Gb s 2G FibreChannel 2 125 Gb s 10GBase X4 3 125 Gb s 10GFC X4 3 188 Gb s VSR 5 3 318Gb s 4G FibreChannel 4 250 Gb s OC192 STM 64 9 953 Gb s 10GFC 10 518 Gb s 10GBase W 9 953 Gb s 10GBase R 10 31 Gb s 10GBE FEC 11 10 Gb s G 975 FEC 10 66 Gb s G 709 FEC 10 709 Gb s 10GFC FEC 11 317 Gb s 9 GHz 10 GHz with option 10G 80C25GBE 1310 nm 1550 nm User None select a bandwidth 100GBase xR4 25 781 Gb s 65 GHz 100GBase xR4 FEC 27 739 Gb s 30 80C00 Series Optical Sampling Modules User Manual Reference Clock and Data Recovery Clock and data recovery are available on most modules as Options CR CR1 CR2 CR3 or CR4 The 80C12 module comes standard with an electrical signal output that when routed to an 80A05 or 80A07 Electrical Clock Recovery module provides clock recovery The 80A05 must be installed in the same mainframe Clock recovery is available on the 80C10B and 80C
7. is much greater than that of copper wire Impedance The opposition to an AC signal in the wire Impedance is very much like resistance to a DC signal in a DC circuit Impedance is made up of resistance inductive and capacitive reactance Initialize Setting the instrument main instrument to a completely known default condition Internal Clock An internally generated trigger source that is synchronized with the Internal Clock Output signal Mode A stable condition of oscillation in a laser A laser can operate in one mode single mode or in many modes multimode Modulation A process whereby a signal is transformed from its original form into a signal that is more suitable for transmission over the medium between the transmitter and the receiver 80C00 Series Optical Sampling Modules User Manual 37 Glossary 38 Multimode Cable A thick cored optical fiber compared to single mode cable that can propagate light of multiple modes OMA Optical Modulation Amplitude The difference between the average power levels of the logic 1 level High and the logic 0 level Low of the optical pulse signal The levels are the Means of the logical levels sampled within an Aperture of the logical 1 and 0 regions of the pulse The logical 1 and 0 time intervals are marked by the crossings of a reference level determined as the Average Optical Power AOP of the signal Protocol Formal conventions that govern the format and control
8. of signals in a communication process Recovered Clock A clock signal derived from and synchronous with a received data sequence Setting The state of the front panel and system at a given time Single Mode Cable An optical cable with a very small core diameter usually in the range of 2 10 microns Such cables are normally used only with laser sources due to their very small acceptance cone Since the cone diameter approaches the wavelength of the source only a single mode is propagated Trigger An electrical event that initiates acquisition of a waveform as specified by the time base Waveform The visible representation of an input signal or combination of signals 80C00 Series Optical Sampling Modules User Manual Index Symbols and Numbers 1 16 CLOCK 31 A Accessories 6 list 6 optional 8 standard 7 Accuracy 35 optimizing 21 Adjustments 21 Analog to Digital converter 35 AOP average optical power 35 Attenuating optical signals 15 Attenuation 35 Autoset 35 B Bandwidth 35 optical description 32 selection 29 C Channel 35 number 35 selection 16 Cleaning module 27 optical connectors 22 Clock 35 CLOCK output 31 continuous rate 31 CR286A Option HS external clock recovery device 31 recovery 31 recovery for 80C10B 80C25GBE 31 recovery outputs 17 Common mode 36 Compensation dark level 24 vertical 21 wavelength gain 24 Connecting optical signals 13 CR28
9. 1 25 Gb s 40GBase FR 25 781 Gb s 100GBase xR4 27 739 Gb s 100GBase xR4 FEC 80C25GBE 65 GHz 25 781 Gb s 100GBase xR4 27 739 Gb s 100GBase xR4 FEC OC 192 STM 64 9 953 Gb s 10GBASE W 9 953 Gb s 10GBASE R 10 31 Gb s 10GFC 10 518 Gb s G 975 FEC 10 66 Gb s G 709 FEC 10 71 Gb s 10GbE FEC 11 10 Gb s 10GFC FEC 11 317 Gb s 16GFC 14 025 Gb s 80C00 Series Optical Sampling Modules User Manual Getting Started Table 4 Optical module features 80010 80C10B 80011 and 80C25GBE cont Feature 80C10 80C10B 80C25GBE 80C11 Clock recovery option Option CRTP 80C10B 80C25GBE only Adds clock recovery data pick off Clock recovery provided by the Tektronix CR286A Option HS or other compatible external clock recovery device Electrical signal output characteristics 50 Q AC coupled differential 2 92 mm female connectors maximum 1 ps differential skew 9 95328 Gb s 10GBASE W OC 192 STM 64 CR 1 CR2 amp CR 3 10 66423 Gb s CR 2 10 70922 Gb s CR 3 Continuous rate from 9 8 Gb s to 12 6 Gb s CR 4 3 Absolute maximum nondestructive optical input 4 Internal fiber diameter 20 mW average power 60 mW peak power at wavelength with highest relative responsivity 9 mm 125 um single mode 5 5 mW average power 10 mW peak power at wavelength with highest relative responsivity Optical return loss gt 30 dB Minimum optical bandwidth Output zero 80010
10. 25GBE modules as Option CRTP which provides electrical signal outputs that you connect to compatible external clock recovery devices such as the Tektronix CR286A Option HS to provide clock recovery A list of all available optical modules and the clock recovery available for each module is provided in this document See Table 9 on page 18 DATA and DATA recovered data These outputs provide a 50 Q AC coupled ECL 2 level signal from the optical module data signal These signals are digitally buffered and retimed to be synchronous with the serial recovered clock m CLOCK and CLOCK recovered clock These outputs are clock signals synchronous with the incoming data signal 1 16 CLOCK recovered clock This output provides the clock signal at 1 16t the rate Clock recovery options CR CRI CR2 and CR3 provide various predefined output rates depending on the optical module model and the CR option Clock recovery option CR4 provides both predefined selections and a continuous rate selection The continuous rate depends on the user entering the bit rate into the Trigger Setup dialog box of the main instrument with an accuracy better than 1000 ppm NOTE If clock and data recovery are enabled and you do not connect a signal or not the appropriate signal to the front panel the recovered clock and data signal may free run NOTE The recovered clock is simultaneously made available internally to the main instrument fo
11. 63 1250 2125 2488 2500 2666 Mb s clock recovery Option F1 Adds reference receiver filters OC 3 155 Mb s and OC 12 622 Mb s Option F2 Adds reference receiver filters OC 3 155 Mb s and FibreChannel 1063 Mb s Option F3 Adds reference receiver filters OC 3 155 Mb s and Gigabit Ethernet 1250 Mb s Option F4 Adds reference receiver filters OC 3 155 Mb s and 2G FibreChannel 2125 Mb s Option F5 Adds reference receiver filters OC 12 622 Mb s and FibreChannel 1063 Mb s Option F6 Adds reference receiver filters OC 12 622 Mb s and Gigabit Ethernet 1250 Mb s Option F7 Adds reference receiver filters OC 12 622 Mb s and 2G FibreChannel 2125 Mb s Option F8 Adds reference receiver filters FibreChannel 1063 Mb s and Gigabit Ethernet 1250 Mb s Option F9 Adds reference receiver filters FibreChannel 1063 Mb s and 2G FibreChannel 2125 Mb s Option F10 Adds reference receiver filters Gigabit Ethernet 1250 Mb s and 2G FibreChannel 2125 Mb s 80C08C Option CR1 Adds 9 95328 Gb s and 10 3125 Gb s clock recovery Option CR2 Adds 10 3125 Gb s and 10 51875 Gb s clock recovery Option CR4 Adds continuous clock recovery from 9 8 Gb s to 12 6 Gb s Option 01 Adds Extinction Ratio calibration 80C10B Option F1 Adds reference receiver filters OC768 STM256 39 813 Gb s OTU3 G 709 FEC 43 0184 Gb s 40GBase FR 41 25 Gb s 100GBase xR4 25 781 Gb s 100GBase xR4 w FEC 27 739 Gb s removes 80 GHz and 30 GHz bandwidths compatible external clock recovery m
12. 6A Option HS external clock recovery device 31 CRTP option clock recovery for 80C10B 80C25GBE 31 D Dark level compensation how to perform 24 Data DATA output 31 recovery 31 dB 36 dBm 36 Decibel 36 Degradation 36 Differential mode 36 Digital signal 36 Digital transmission system 36 E Electrostatic discharge 9 Extinction ratio 37 Extinction ratio calibration 33 F Features 1 FEC 37 Fiber optics 37 Filter selection 29 Forward Error Correction 37 Front panel controls 16 G Getting started 1 80C00 Series Optical Sampling Modules User Manual H Hold down screws 19 Impedance 37 Initialize 37 Input connector 17 Installation 9 Internal clock 37 Main instrument commands 19 Manuals part numbers 7 Measurement accuracy optimizing 21 Mode 37 Modulation 37 Multimode cable 38 O OMA optical modulation amplitude 38 Operating basics 13 Optical dark level compensation 24 input connector 17 vertical compensation 21 wavelength gain compensation 24 Optimizing measurement accuracy 21 Option CRTP clock recovery for 80C10B 80C25GBE 31 Optional accessories list 8 Options list 6 Outputs clock 17 data 17 39 Index P Procedure perform dark level compensation 24 perform user wavelength gain compensation 24 perform vertical compensation 21 Product description 1 Programmer interface 21 Protocol 38 R Receive signals recover
13. 80C00 Series Optical Sampling Modules User Manual DELETE ELT Tektronix 071 0435 12 S 80C00 Series Optical Sampling Modules User Manual www tektronix com Tektronix 071 0435 12 Copyright Tektronix All rights reserved Licensed software products are owned by Tektronix or its subsidiaries or suppliers and are protected by national copyright laws and international treaty provisions Tektronix products are covered by U S and foreign patents issued and pending Information in this publication supersedes that in all previously published material Specifications and price change privileges reserved TEKTRONIX and TEK are registered trademarks of Tektronix Inc Contacting Tektronix Tektronix Inc 14150 SW Karl Braun Drive P O Box 500 Beaverton OR 97077 USA For product information sales service and technical support In North America call 1 800 833 9200 Worldwide visit www tektronix com to find contacts in your area 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 Parts modules and replacement products used by Tektronix for warranty work may be new or reconditi
14. 80C10B and 80C25GBE modules with Option CRTP provide differential electrical signal outputs For clock recovery purposes route the signals to the input of a compatible external clock recovery unit such as the Tektronix CR286A Option HS using high quality coaxial cables Use the outputs as single ended or differential sources Always terminate any unused output s into 50 Q The output connector type is 2 92 mm which is compatible with Wiltron K 3 5 mm and SMA formats CAUTION Electrostratic discharge ESD will cause permanent damage to the DATA outputs Adhere to standard ESD handling precautions when using the outputs In particular make sure to discharge to ground any cables or connectors before attaching them to the DATA outputs To discharge a cable touch the center pin of the coaxial cable to a grounded conductor such as the outside ground conductor of the coaxial data output connector just before connecting the cable to the module The following table lists the modules and available clock recovery outputs NOTE Use 50 Q terminations provided with your optical module on all unused outputs Table 9 Clock recovery outputs Modules Front panel outputs 80C02 CR DATA CLOCK 1 16 CLOCK 80C07B CR1 DATA DATA CLOCK CLOCK 80C08C CR1 CLOCK 1 16 CLOCK 80C08C CR2 CLOCK 1 16 CLOCK 80C08C CR4 CLOCK 1 16 CLOCK 80C10B CRTP DATA DATA electrical signal out for use with the Tektronix CR286A Option HS or
15. GFC 10 518 Gb s 10GBase W 9 953 Gb s 10GBase R 10 31 Gb s G 975 FEC 10 66 Gb s G 709 FEC 10 709 Gb s 10GBE FEC 11 10 Gb s 10GFC FEC 11 317 Gb s 10 GHz optical bandwidth Option 01 Adds Extinction Ratio calibration 80C25GBE Option F1 Adds reference receiver filters OC768 STM256 39 813 Gb s OTU3 G 709 FEC 43 0184 Gb s 40GBase FR 41 25 Gb s 100GBase xR4 25 781 Gb s 100GBase xR4 w FEC 27 739 Gb s removes 80 GHz and 30 GHz bandwidths Option CRTP Adds electrical signal outputs to 44 5 Gb s for use with Tektronix CR286A Option HS or other compatible external clock recovery module All modules Option C3 Three years of calibration service All modules Option C5 Five years of calibration service All modules Option D1 Calibration data report All modules Option D3 Three years of calibration data reports requires Opt C3 All modules Option D5 Five years of calibration data reports requires Opt C5 All modules Option R3 Extended repair warranty to three years All modules Option R5 Extended repair warranty to five years Standard Accessories 80C00 Series Optical Sampling Modules User Manual The following accessories are shipped with the module Table 6 Standard accessories Item Part number Certificate of Traceable Calibration for Not orderable product at first shipment Fiber cleaning kit 020 2494 xx SMA male 50 Q termination installed one 015 1022 xx per clock recovery output connector Getting St
16. GNAL OUT screw light amber for use with the 80A05 or 80A07 Clock Recovery module A 4 Hold down Screw 80C12 10G AS OPTICAL SAMPLING MODULE SELECT ON OFF Oc t OPTICAL NPUT FILTERS 9 953Gb s 509 TERMINATION REQUIRED ZTR N q J N p woe LOOSEN a 62 5rm 50N DCCOUPLED 11 10 Gb s 10GHz 7 MAX cent a ig 10W peak ELECTRICALSIGNALOUT UCI optical SELECT Hold down inputconnector channel button screw Figure 5 Typical Optical module front panels 80C01 CR and 80C12 10G shown Optical Input Connector The optical input connector uses a universal connector interface UCI that allows use of many standard fiber optic female connector styles Some of the standard UCI interfaces supported are FC ST SC and DIN Refer to a current Tektronix catalog for details Outputs Most optical modules provide optional clock and data recovery circuitry providing clock and data outputs the recovered clock is internally routed to the main instrument trigger circuit The circuitry also provides front panel output of normal and complemented clock and on some modules normal and complemented data The 80C12 module provides an electrical signal output For clock recovery purposes this signal must be routed to the input of an 80A05 or 80A07 Electrical Clock Recovery module within the same mainframe 80C00 Series Optical Sampling Modules User Manual 17 Operating Basics
17. Use the Vertical buttons to select the channel to be VERTICAL waveform compensated i C2 Access the 3 From the application menu bar click Setup and then File Edit View Setup Utilities Applica dark level Click Vertical Uia etc compensation zl fe mes Horizontal Puse Er Acquire Trigger Measurement Mask Display Histogram Cursors wim Database TOR Phase Reference Run the 4 n Vert Setup dialog box click the Dark Level button Compensate dark level under Compensation Follow the instructions on SEEN compensation screen ELM 5 Repeat steps 2 and 4 for any additional optical _User Wavelength Gain channels that you want to compensate If any of the following settings or conditions change after performing a dark level compensation perform another compensation to maintain the specified accuracy Trigger rate setting Vertical offset setting Filter or bandwidth setting Ambient temperature change of more than 1 C ELECTRICAL SIGNAL OUT front panel connection change 80C12 80C00 Series Optical Sampling Modules User Manual 25 Operating Basics Overview To perform optical compensations Control elements and resources Run the user You can optionally can compensate an optical channel for Compensate wavelength a custom input signal ain Dark Level g 6 In the Vert Setup dialog box click the User PL compensation Wavelength Gain button under Compensation Follow the instructio
18. ands From the Main Instrument Front Panel esses 19 Programmer Interface Commands c cece cece eee eee nee eee eee nee ene nett eee n beeen e tne e tas 21 User Adjustments iere ertet prre re RENE en dS E ten canta es aedeguane te dedo ed eee ae erstes 21 Optimizing Measurement Accuracy 6 cece cece cece nee nent eme e esse essen nnne 21 Cleaning oerein ia a E E deediccoawaiencaaeaadinend sasaudatedsadedelndeedesadeadiensiastenieceiassnenes 27 latii dani dish Gaede EEE E E E EAE E nied a E EATS 29 Wavelength Filter and Bandwidth Selection esses 29 Clock and Data Recovery eto eroe E b ee TE E en RET EPOD NEN E rpm he E ER 31 Optical Bandwidth ecce eene a eoe s EE E EE EE EE E EEE E e Medea 32 Extinction Ratio Calibration c ccc cc cece ene E a eee eese eene eese nnn 33 Glossary Index 80C00 Series Optical Sampling Modules User Manual 1 Table of Contents List of Figures Figure 1 Module compartments Figure 2 Installing a large module Figure 3 Connecting optical cables correctly Figure 4 Incorrectly connecting optical cables Figure 5 Typical Optical module front panels 830C01 CR and 80C12 10G shown Figure 6 System Vertical menu ii 80C00 Series Optical Sampling Modules User Manual Table of Contents List of Tables Table 1 Application software version required c ccc ecc cece eee ence ence mee ene 1 Table 2 Optical module features 80CO02
19. ard Power meter Standard 1 Some values in the table are typical 2 The optical input powers below nondestructive levels may exceed saturation and compression limits of the module 3 Compatible with single mode fiber of equal or smaller diameter 80C00 Series Optical Sampling Modules User Manual Table 3 Optical module features 80C07B 80C08C and 80C12 Getting Started Feature 80C07B 80C08C 1 80C12 Number of input channels 1 1 1 Effective wavelength range 700 nm to 1650 nm 700 nm to 1650 nm 700 nm to 1650 nm Supported standards or data Standard 9 95328 Gb s 10GBASE W Multi Gigabit Options 3 filtering rates OC 48 STM 16 9 95328 Gb s 1 0625 Gb s FC1063 2 Gigabit Ethernet OC 192 STM64 2 125 Gb s FC2125 ENET2500 2GBE 10 3125 10GBASE R 3 125 Gb s 10GBase X4 Infiniband 10 51875 10GFC 3 188 Gb s 10GFC X4 ee 10 66423 Gb s G 975 3 318 Gb s VSR 5 Optional FEC 4 250 Gb s FC4250 OC 3 STM 1 10 709225 Gb s G 709 FEC 4 Gigabit Option Option OC 12 STM 4 11 10 Gb s 10GbE FEC IGE POTR FibreChannel FC1063 FC 11 317 Gb s 10GFC FEC 10G Gigabit Ethernet 9 95328 Gb s 10GBase W ENET1250 GBE 2G FibreChannel FC2125 2FC 9 95328 Gb s OC 192 STM64 10 3125 Gb s 10GBase R 10 51875 Gb s 10GFC 10 66423 Gb s G 975 FEC 10 709225 Gb s G 709 FEC 11 10 Gb s 10GbE FEC 11 317 Gb s 10GFC FEC Clock recovery option 155 52 Mb s OC 3 STM 1 622 08 M
20. arted Optional Accessories You can order the following accessories for use with the sampling modules See the Tektronix Web site for the current list of optional accessories Table 7 Optional accessories Item Part number D4 PC Universal Optical Input UCI adapter 119 4514 xx Biconic UCI adapter 119 4515 xx FC PC UCI adapter APC 108 119 5115 xx SMA 2 5 UCI adapter 119 4517 xx SC PC UCI adapter 119 5116 xx DIN PC UCI adapter 119 4546 xx DIAMOND 2 5 UCI adapter 119 4556 xx SMA UCI adapter 119 4557 xx DIAMOND 3 5 UCI adapter 119 4558 xx ST PC UCI adapter 119 4513 xx 3 5 male to 3 5 female SMA 015 0552 xx Slip on SMA connector 015 0553 xx CSA8000 amp TDS8000 Series Service Manual 071 0438 xx DSA8200 Service Manual 071 2049 xx 80C00 Series Optical Sampling Modules 071 0435 xx User Manual this document 8 80C00 Series Optical Sampling Modules User Manual Getting Started Installation The optical modules fit in the large slot in the front panel of a compatible instrument such as the DSA8200 The following figure shows the front panel of a DSA8200 instrument and the locations of the module compartments ooooQ racc OGG c5 c3 oS 5 o oO 0 20 90 gt sO O S Large modules l O e 7 Module ejectors Small modules gt lo O X O O Left most small module This small modul
21. asic controls are shown in the following figure You first select the channel you want to set in the Waveform section of the dialog box Then you select the Setup Wavelength Filter Bandwidth or Compensate controls in the dialog box to change those settings or to initiate a compensation Optical modules with the clock recovery option also have source and rate controls in the Trigger dialog box 80C00 Series Optical Sampling Modules User Manual 19 Operating Basics Detailed information on these dialog boxes is found in the Online Help for your main instrument Dette 10 000W die BA Foo EE 250 0mw BE E asl anfaani Bas m fro md Figure 6 System Vertical menu 20 80C00 Series Optical Sampling Modules User Manual Programmer Interface Commands Operating Basics The remote programming commands for all sampling modules are documented in the Programmer Guide accessible from the instrument Help menu User Adjustments All optical module setups parameters and adjustments are controlled by the main instrument To save recall or change any module settings use the main instrument menus or front panel controls Consult the Online Help for your main instrument Optimizing Measurement Accuracy Perform Vertical Compensation Measurement accuracy of optical modules is increased or maintained by performing the following procedures m Vertical Compensation Cleaning the Optical Con
22. b s OC 12 STM 4 1062 5 Mb s FC1063 FC 1250 Mb s ENET1250 GBE 2125 Mb s FC2125 2FC 2488 32 Mb s OC 48 STM 16 2500 Mb s ENET2500 2GBE 2500 Mb s Infiniband 2666 06 Mb s OC 48 FEC 9 95328 Gb s 10GBASE W OC 192 STM 64 CR 1 10 3125 Gb s 10GBASE R CR 1 amp CR 2 10 51875 Gb s 10GFC CR 2 only Continuous rate from 9 8 Gb s to 12 6 Gb s CR 4 4 Clock recovery supported with the use of the 80A05 or 80A07 Electrical Clock Recovery module purchased separately Absolute maximum nondestructive optical input 5 5 mW average power 10 mW peak power at wavelength with highest relative responsivity 1 mW average power 10 mW peak power for 60 ms 1 mW average power 10 mW peak power for 60 ms Internal fiber diameter 62 5 mm 125 um multimode mode 62 5 mm 125 um multimode mode 62 5 mm 125 um multimode mode Optical return loss gt 14 dB for multimode fiber gt 24 dB for single mode fiber gt 14 dB for multimode fiber gt 24 dB for single mode fiber gt 14 dB for multimode fiber gt 24 dB for single mode fiber Minimum optical bandwidth at optical connector gt 2 3 GHz gt 9 5 GHz gt 8 5 GHz gt 9 5 GHz with Option 10G 80C00 Series Optical Sampling Modules User Manual Getting Started Feature 80C07B 1 80C08C 80012 Output zero lt 500 nW immediately after dark calibration 2 vertical lt 1 uW immediately a
23. call also listed ete Serial Date Time Status ATEMP C Compensate i i P 80C01 CR BOING 27 Mar 04 12 58 Pass 0 3 C 6 Wait until the Status for all items you wish to f SHES compensate changes from Warm Up to Pass Fail i ower Modules All g or Comp Req d CE c ERE TT j Overridden by upper module 2s 7T Under Select Action click the Compensate option P aa cm Aie Stage M 80E04 500100 27 Mar 04 12 58 Pass Bay G User button z 82404 5010100 27 Mar 04 12 58 Pass H0 89C ieligsetam e 82404 B010100 27 Mar 04 12 58 Pass 0 8 C 8 From the top pulldown list choose All default H TE selection to select the main instrument and all its Compensation indicator Bun Ec Display V Animate Help L tee modules as targets to compensate 9 Click the Execute button to begin the compensation 10 Follow the instructions to disconnect inputs and install terminations that will appear on screen be sure to follow static precautions when following these instructions Verify that the 11 The compensation may take several minutes to compensation complete Verify that Pass appears as Status for the routines pass main instrument and for all sampling modules listed in the Compensation dialog box when compensation completes 12 If instead Fail appears as Status rerun the compensation If Fail status continues after rerunning compensation and you have allowed warm up to occur the module or main instrument may need service 13 Cli
24. ck the Save option button under Select Action Click the Execute button to save the compensation values m Make sure to save the compensation values In memory compensation values are lost when you power off the instrument Cleaning Optical Small dust particles and oils can easily contaminate optical connectors and reduce Connectors X or block the signal Take care to preserve the integrity of the connectors by keeping them free of contamination CAUTION To prevent loss of optical power or damage to the optical connectors keep the connectors clean at all times To reduce the need for cleaning immediately replace protective caps on the optical connectors when not in use 22 80C00 Series Optical Sampling Modules User Manual Operating Basics Use the following items to clean optical connectors E Dry clean and dust free compressed air Fiber cleaning cassette and or tape dispenser cleaner Pipe cleaner CAUTION Clean both ferrule endfaces with a dry cloth tape cleaner cassetted or in a dispenser For safe and effective cleaning of the optical male fiber end face exposed after removing the UCI adapter Tektronix recommends the following method and tools Overview To clean the optical connectors Related information Supplies 1 One compressed air can such as Tektronix part Cleaning kits for optical connectors such as the required number 118 1068 01 Tektronix Optical Connector Cleaner part number O
25. e compartment is not usable if compartment is not usable if a large module is installed a large module is installed in left most slot in right most slot Figure 1 Module compartments At least one module must be installed in the main instrument to acquire signals NOTE Installing a large module in either large compartment disables some of the small compartment channels Refer to the instrument Online Help about compartment interaction The large compartments support single channel modules while the small compartments support single or dual channel modules Eight of the 10 inputs are usable at one time Electrostatic Discharge To prevent electrostatic damage to the main instrument and optical modules follow the precautions described in this manual and the manuals accompanying your main instrument 80C00 Series Optical Sampling Modules User Manual Getting Started Module Installation Circuitry in the optical module is very susceptible to damage from electrostatic discharge and from over drive signals Be sure to only operate the optical module in a static controlled environment grounded conductive table top wrist strap floor mat and ionized air blower Be sure to discharge to ground any electrostatic charge that may be present on electrical cables before attaching the cable to the optical module recovered clock and data outputs CAUTION The recovered clock and data outputs of the optical module are subject to da
26. e Windows 98 operating system Product application software version 2 x requires the Windows 2000 operating system Product application software version 2 0 1 3 should be replaced with the latest version available for download from the Tektronix Web site Product application software version 5 x requires the Windows XP operating system The optical modules provide the features listed in the following tables See Table 3 See Table 4 A table in the Reference section provides wavelength selections filter and bandwidth specifications for each module See Table 10 on page 29 Getting Started A figure in the Operating Basics section shows the module controls connectors and indicators See Figure 5 on page 17 Table 2 Optical module features 80C02 Feature 80C02 Number of input channels 1 Effective wavelength range 1100 nm to 1650 nm Supported standards or data filtering rates OC 192 STM 64 Clock recovery option OC 192 STM 64 Absolute maximum nondestructive optical input 2 5 mW average power 10 mW peak power at wavelength with highest relative responsivity Internal Fiber Diameter 9 mm 125 um single mode 3 Optical return loss gt 30 dB typical Minimum optical bandwidth at optical connector gt 30 GHz Output zero lt 10 uW immediately after dark calibration Independent channel deskew Standard Offset capability at front of module Stand
27. e black dust cap to prevent airborne contaminates from lodging in the female optical input 9 80COS CR OPTICAL SAMPLING MODULE i SELECT eo OPTICAL INPUT Dust cap Clean 8 Clean any male fiber end face input fiber or device that attaching you attach to the UCI input devices Use a similar cleaning method to clean the fiber end face input fiber or device Perform Dark Level and Performing a dark level calibration will maximize the accuracy of the extinction User Wavelength Gain ratio and other optical automatic measurements you take Performing a User Compensations Wavelength Gain compensation will optimize an optical channel for your custom input signal Use the following procedure to perform either compensation this procedure applies only to optical modules NOTE These procedures compensate the selected module and the its current bandwidth and filter selection The compensation values are not saved when powering off the instrument 24 80C00 Series Optical Sampling Modules User Manual Overview To perform optical compensations Operating Basics Control elements and resources Prerequisites 1 The instrument must have the optical sampling module s to be dark level calibrated in place The acquisition system should be set to run continuously See the instrument user documentation and online help for details on operating the instrument controls Select the 2
28. e corresponds to the traditional electrical bandwidth of 6 dB During testing of optical modules by impulse testing the resulting impulse waveform is converted to frequency by Fourier transform and the bandwidth is defined as 3 dB 10 log vertical swing at frequency vertical swing at DC During reference receiver curve calculation however the definition is changed to match the industry standard definition which assumes electrical bandwidths are 3 dB 20 log vertical swing at frequency vertical swing at DC Bandwidth for Unfiltered The curve calculation of frequency response for the unfiltered frequency settings Frequency Settings 2 GHz 2 5 GHz 12 5 GHz 20 GHz 30 GHz 40 GHz 50 GHz 65 GHz and 80 GHz uses the definition for dB and bandwidth where 3 dB 10 log vertical swing at frequency vertical swing at DC that is the optical bandwidth Bandwidth for Reference The curve calculation of frequency response for reference receiver settings FC Receiver Settings GbE and OC STM standards uses the definition of dB and bandwidth that matches the industry standard which assumes electrical bandwidths where 3 dB 20 log vertical swing at frequency vertical swing at DC Extinction Ratio Calibration Option 01 Extinction Ratio Calibration is available for modules 80C02 80C08C 80C11 and 80C12 Modules with option 01 have been specially calibrated to a laboratory standard providing improved NRZ non return to zero
29. e hold down screws counterclockwise use the module ejectors on the main instrument to eject the module 80C00 Series Optical Sampling Modules User Manual Getting Started ooooQ cocco COCOCO c E eco 2020 o c e E OCDE ux eme S setas ll o Large module ejectors o t o s O0 0 Oo Large module Hold down screw amp amp Hold down screw Figure 2 Installing a large module NOTE Afier first installing a sampling module s or after moving a sampling module from one compartment to another you should run Compensation from the Utilities menu to verify that the instrument meets it specifications You must run a compensation if an extender is installed changed or removed from a module For instructions on running a compensation see Optimizing Measurement Accuracy See page 21 After running Compensation you must save the new values to retain them otherwise they are lost when powering off the instrument 80C00 Series Optical Sampling Modules User Manual 11 Getting Started 12 80C00 Series Optical Sampling Modules User Manual Operating Basics Usage AN Connecting Optical Signals This section describes the front panel connecting to the circuit under test system interaction with the main instrument and the programmer interface Handle your optical module ca
30. ed 1 16 clock 31 recovered clock 31 recovered data 31 40 Recovered 1 16 clock 31 clock 31 38 data 31 Reference 29 S Safety Summary iv Sampling head features 1 SELECT CHANNEL button 16 Setting 38 Single mode cable 38 Specifications vil Standard accessories 7 System interaction 15 T Trigger 38 80C00 Series Optical Sampling Modules User Manual U Usage 13 User adjustments 21 User wavelength compensation how to perform 24 V Vertical compensation how to perform 21 W Waveform 38 Wavelength selection 29 Wavelength gain compensation 24
31. er that 1s referred to in many systems is one half would therefore be 0 5 dB 10l 3dB c at zc In terms of frequency voltage and resistance the bandwidth 1s expressed as VOS eer R R 3dB ios where V f is the RMS of the voltage swing response at the bandwidth frequency and V DC is the RMS voltage swing response at a frequency approaching DC Further math yields V f 0 707 V DC The expression is simplified by canceling the R and moving the squared term inside the log expression to a multiple outside the log expression 10log 22 roe 2x 10log ras 20log ras In the DSA8200 CSA8000 and TDS8000 Series instruments the vertical units displayed for an optical module are not in volts but in watts which are units of power The optical to electrical converter inside the module outputs a voltage whose amplitude is linearly dependent on the incoming optical power in this condition the voltage applied at the electrical sampler already represents optical power in its linear form as opposed to having to square the voltage and divide by R For the optical sampling modules then the bandwidth where the displayed optical power is one half that approaching DC is 05 dB 10l 3dB ii X at zc 80C00 Series Optical Sampling Modules User Manual Reference The V f is the frequency at which the vertical swing is one half 0 5 the V DC not 0 707 The optical bandwidth therefor
32. es of the module with a dry lint free cloth or a soft bristle brush If any dirt remains use a damp cloth or swab dipped in a 75 isopropyl alcohol solution Use a swab to clean narrow spaces around controls and connectors Do not allow moisture inside the module Do not use abrasive compounds on any part of the chassis that may damage the chassis CAUTION To prevent damage avoid the use of chemical cleaning agents which might damage the plastics in this instrument Use a 7526 isopropyl alcohol solution as a cleaner and rinse with deionized water Use only deionized water when cleaning the menu buttons or front panel buttons Before using any other type of cleaner consult your Tektronix Service Center or representative Do not open the case of the module There are no user serviceable components and cleaning the interior is not required The procedure for cleaning the optical connectors is given in the Optimizing Measurement Accuracy section See page 22 Cleaning Optical Connectors 80C00 Series Optical Sampling Modules User Manual 27 Operating Basics 28 80C00 Series Optical Sampling Modules User Manual Reference This section describes how to select the optical module wavelength how to enable clock recovery and explains optical bandwidth Wavelength Filter and Bandwidth Selection To select the optical wavelength use the Vertical Setups menu See Figure 6 on page 20 First select the channel in the Waveform secti
33. fter dark calibration 2 vertical 1 uW immediately after dark calibration 2 vertical offset offset offset Independent channel deskew Standard Standard Standard Offset capability at front of Standard Standard Standard module Power meter Standard Standard Standard Some values in the table are typical The 80C07B is shipped with five reference receiver filters Three are standard with the two remaining configured at the time of purchase See Table 5 on page 6 The 80C12 is available with a variety of options that support 2 to 4 filters See Table 5 on page 6 The optical input powers below nondestructive levels may exceed saturation and compression limits of the module 1 2 3 4 Continuous rate clock recovery supporting any standard or user definable rate in the range from 9 8 Gb s to 12 6 Gb s 5 6 Compatible with single mode fiber of equal or smaller diameter Table 4 Optical module features 80C10 80C10B 80011 and 80C25GBE Feature 80010 80C10B 80C25GBE 1 80C11 Number of input channels 12 1 Effective wavelength range 1310 nm 20 nm 1520 nm to 1620 nm 1100 nm to 1650 nm Supported standards or data filtering rates 80C10 30 GHz 65 GHz 39 813 Gb s OC768 STM256 43 018 Gb s G 709 FEC 80C10B 30 GHz 65 GHz 80 GHz 39 813 Gb s OC768 STM256 43 018 Gb s G 709 FEC 41 25 Gb s 40GBase FR 80C10B F1 65 GHz 39 813 Gb s OC768 STM256 43 018 Gb s G 709 FEC 4
34. is the voltage of the incident pulse V is the voltage reflected back by the load P is the power out and P is the power in See page 32 Optical Bandwidth dBm A logarithmic measure of power referenced to 1 milliwatt 1 mW optical power 0 0 dBm Degradation A deterioration in a signal or system Differential Mode A method of signal transmission where the true signal and its logical compliment are transmitted over a pair of conductors Digital signal A signal made up of a series of on and off pulses Digital transmission system A transmission system where information is transmitted in a series of on and off pulses 36 80C00 Series Optical Sampling Modules User Manual Glossary Extinction Ratio The ratio of two optical power levels of a digital signal generated by an optical source P is the optical power level generated when the light source is high and P is the power level generated when the light source is low T e P FEC Forward Error Correction Additional bits and or coding added to a data stream to allow for automatic error detection and correction at the receiving end These extra bits and or coding tend to increase a serial data rate above the original nonFEC data stream to accommodate the extra information added by the FEC Fiber Optics A method of transmitting information in which light is modulated and transmitted over high purity filaments of glass The bandwidth of fiber optic cable
35. lets you enter a number representing any external attenuation you have added to a channel 80C00 Series Optical Sampling Modules User Manual 15 Operating Basics Front Panel Controls Channel Selection Typical optical module front panels are shown in the following figure See Figure 5 Each channel has a SELECT channel button and an amber channel light The button operates as follows If the amber channel light is on the channel is acquiring a waveform If you push the channel button and the channel is not being acquired for any channel or math waveform then the instrument activates turns on the channel If you push the button and the channel is active as a channel waveform then the instrument selects the channel waveform If the channel waveform is already selected when you push the channel button the instrument turns the channel off 80C00 Series Optical Sampling Modules User Manual Hold down Channel indicator vendi se dented le screw light amber optional not all mo jd ave four outputs g Operating Basics 80C01 CR OPTICAL SANPLING MODULE A sez O O D O V E e ESI y NP X DATA DATA SINTO e Gba GLOCK CLOCK OPTICAL INP UT OUTPUT OUTPUT OUTPUT OUTPUT LOOSEN SD N CLOCK RECOVERY 1100 1650 nm C Me MAX 5mW a lg 10mWpeak FILTERS 622 MB s 2 488 Gb s 9 953 Gb s UCI N SELECT input connector channel button Hold down Channel indicator ELECTRICAL SI
36. mage from electrostatic discharge ESD To prevent damage from electrostatic discharge store the optical module with the supplied SMA terminations installed Store the module in a static free container such as the shipping container Whenever you move the optical module from one instrument to another use a static free container to carry the optical module Always use a wrist strap provided with your instrument when handling an optical module or making connections Discharge to ground any electrostatic charge that may be present on cables before attaching the cable to the optical module To install a large module first power off the instrument using the front panel On Standby power switch Then place the module into a compartment and slowly push it in with firm pressure Once the module is seated turn the hold down screws Clockwise to lock the module in place See Figure 2 NOTE To install turn the hold down screws so that they are completely out all the way counterclockwise and then be sure to seat the module completely into its compartment Doing so will help make sure the retaining ear on each screw rotates into position as you tighten the screws CAUTION To prevent damage to the optical module or instrument never install or remove a module when the front panel On Standby power switch is ON powered on Once you have installed the module turn on the instrument NOTE When removing a module after turning th
37. ne FIS cassette cleaner such as Fl 6270 020 2494 xx are available from several suppliers Or one FIS tape dispenser cleaner such as Fl 7111 Remove UCI 2 Loosen the UCI adapter and remove it This exposes adapter the male fiber end face behind the UCI connector EP Male fiber T end face Clean UCI 3 Clean contaminates from the inside wall of the hollow adapter female to female ferrule alignment tube inside the UCI AN adapter Use the compressed air can to clean the female input of the UCI adapter end to end 7 Pull the pipe cleaner through the UCI adapter Pull pipe cleaner as through adapter CAUTION Do not blow compressed air into the female several times input of the UCI adapter when it is installed on the module Adapter 80C00 Series Optical Sampling Modules User Manual 23 Operating Basics Overview To clean the optical connectors Related information Clean fiber 4 Advance the fiber cleaning cassette or tape dispenser input cleaner to expose an unused clean section of the lint free dry cleaning surface 5 Lightly drag the clean dry surface of the cleaning tool cloth against the male end face of the fiber input for a short distance a centimeter or two 6 Place the UCI adapter back on the cleaned fiber end face E Cleaning tool cloth L we er Male fiber end face Dust cap 7 When the module does not have a fiber attached to its input s attach th
38. nectors m Dark Level and User Wavelength Gain Compensations vertical offset gain and linearity Performing a vertical compensation will maximize the accuracy of the automatic measurements you take This procedure uses internal routines to optimize the Overview To perform optical compensations Control elements and resources Prerequisites 1 The instrument must have the optical sampling module s to be compensated in place The acquisition system should be set to run continuously 2 Dust covers must be in place on all optical module channels or otherwise eliminate the optical input See the instrument user documentation and 3 Power on the instrument and allow a 20 minute online help for details on operating the instrument warm up before doing this procedure controls Access the 4 From the application menu bar click Utilities and then Ulities Help O Wavelerms compensation click Compensation Define Autoset routines rie RuvSlog Defaut Setup Coibratan Comp ensabon Diagnesties Sustem Froneslies User Preferences wevelcrm Prapsilies 80C00 Series Optical Sampling Modules User Manual 21 Operating Basics Overview To perform optical compensations Control elements and resources 5 In the Compensation dialog box the main instrument mainframe and sampling modules are listed The gun E m temperature change from the last compensation is DSASaD mmaa Foss 309 Cine j odules C Re
39. ns on screen User Wavelength Bain m Inthe User Wavelength Gain Compensation dialog box set the wavelength and power of the signal to be applied to the channel User Wavelenath E 7 You must connect an optical signal to the module input with a precisely known amount of optical power Use an independently calibrated average optical power meter to precisely measure this power Then connect the signal to the 80C00 using the same fiber cables 8 Click the OK button to execute the compensation 9 Repeat steps 2 6 and 7 for any additional optical channels that you want to compensate NOTE The 80C10 has two separate optical inputs each optimized for different wavelength regions 1310 nm or 1550 nm Therefore it supports two different user wavelength gain compensation calibrations one for each input nir Power mw Cancel 26 80C00 Series Optical Sampling Modules User Manual Cleaning Exterior AN Optical Connectors Operating Basics The case of the module keeps dust out and should not be opened Cleaning the exterior of the module is usually confined to the front panel To clean the case remove the module from the main instrument but first read the entire Installation procedure for proper handling of the module See page 9 WARNING To prevent injury power off the instrument and disconnect it from line voltage before performing any cleaning Clean the exterior surfac
40. odule 80C11 Option CR1 Adds 9 95328 Gb s clock recovery Option CR2 Adds 9 95328 Gb s and 10 66423 Gb s clock recovery Option CR3 Adds 9 95328 Gb s and 10 70922 Gb s clock recovery Option CR4 Adds continuous clock recovery from 9 8 Gb s to 12 6 Gb s Option 01 Adds Extinction Ratio calibration 6 80C00 Series Optical Sampling Modules User Manual Getting Started Module Option Description 80012 Option F1 Adds reference receiver filters 1G FibreChannel 1 063 Gb s 2G FibreChannel 2 125 Gb s 4G FibreChannel 4 250 Gb s Option F2 Adds reference receiver filters 2G FibreChannel 2 125 Gb s 4G FibreChannel 4 250 Gb s 9 GHz optical bandwidth Option F3 Adds reference receiver filters 1G FibreChannel 1 0623 Gb s 2G FibreChannel 2 125 Gb s 9 GHz optical bandwidth Option F4 Adds reference receiver filters 2G FibreChannel 2 125 Gb s 10GBase X4 3 125 Gb s 4G FibreChannel 4 250 Gb s 10GFC X4 3 188 Gb s Option F5 Adds reference receiver filters 10GBase X4 3 125 Gb s 4G FibreChannel 4 250 Gb s 10GFC X4 3 188 Gb s 9 GHz optical bandwidth Option F6 Adds reference receiver filters 2G FibreChannel 2 125 Gb s 10GBase X4 3 125 Gb s 10GFC X4 3 188 Gb s 9 GHz optical bandwidth Option FC Adds reference receiver filters 10GBase X4 3 125 Gb s VSR 5 3 318Gb s 10GFC X4 3 188 Gb s 9 GHz optical bandwidth Option 10G Adds reference receiver filters OC192 STM 64 9 953 Gb s 10
41. on of the menu Then select the Wavelength that matches your system from the Setup Wavelength drop down box Use the Signal Conditioning boxes to select the filter and bandwidth appropriate for your optical standard For more information consult the Online Help for your main instrument Table 10 Wavelength Filter and Bandwidth selections Wavelength Module selections Filter Bandwidth 80002 1310 nm None select a bandwidth 30 GHz 1550 nm OC 192 STM 64 9 953 Gb s 20 GHz User 12 5 GHz 80C07B 780 nm None 2 5 GHz 2 Standard occ n OC 48 STM 16 U 2 Gigabit Ethernet ENET2500 2GBE ser Infiniband Optional OC 3 STM 1 OC 12 STM 4 FibreChannel FC1063 FC Gigabit Ethernet ENET1250 GBE 2G FibreChannel FC2125 2FC 80C08C 780 nm None select a bandwidth 10 GHz 850 nm OC 192 STM 64 9 953 Gb s 1310 nm 10GBASE W 9 953 Gb s 1550 nm 10GBASE R 10 31 Gb s User 10GFC 10 518 Gb s G 975 FEC 10 66 Gb s G 709 FEC 10 709 Gb s 10GbE FEC 11 10 Gb s 11 317 Gb s 10GFC FEC 80010 1310 nm None select a bandwidth 30 GHz 1550 nm OC 768 STM 256 39 813 Gb s 65 GHz User G 709 FEC 43 018 Gb s 80C00 Series Optical Sampling Modules User Manual 29 Reference Table 10 Wavelength Filter and Bandwidth selections cont Module Wavelength selections Filter Bandwidth 80C10B 1310 nm 1550 nm User None select a bandwidth Standard 30 GHz 65 GHz 80 GHz OC 768 STM 256 39 813
42. oned to like new performance All replaced parts modules and products become the property of Tektronix 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 the Tektronix service center is located Customer shall be responsible for paying all shipping charges duties taxes and any other charges for products 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 this 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 use or connection to incompatible equipment c to repair any damage or malfunction caused by the use of non Tektronix supplies or d 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
43. other compatible external clock recovery device 1 80C11 CR1 DATA CLOCK 1 16 CLOCK 80C11 CR2 CLOCK 1 16 CLOCK 80C11 CR3 CLOCK 1 16 CLOCK 80C11 CR4 CLOCK 1 16 CLOCK 80C00 Series Optical Sampling Modules User Manual Operating Basics Table 9 Clock recovery outputs cont 80012 ELECTRICAL SIGNAL OUT for use with the 80A05 or 80A07 module 80C25GBE CRTP DATA DATA electrical signal out for use with the Tektronix CR286A Option HS or other compatible external clock recovery device 1 1 Contact Tektronix for details To disable using the internal recovered clock as the main instrument trigger select external or internal triggering Then select the recovered clock rate without actually selecting recovered clock as the trigger condition to activate the front panel clock recovery signals Hold Down Screws Hold down screws attach the module to the main instrument Once the hold down screws are loosened use the eject levers to remove the module from a powered down main instrument Indicators on the hold down screws point in the direction that the latch is pointing NOTE Do not pull on module connectors to remove a module always use the hold down screws to pull the module out far enough for you to hold the module and remove it from the instrument Commands From the Main Instrument Front Panel The Vertical Setup dialog box lets you toggle between the basic and optical module controls The optical and b
44. product in an appropriate system that will ensure that most of the materials are reused or recycled appropriately This symbol indicates that this product complies with the applicable European Union requirements according to Directives 2002 96 EC and 2006 66 EC on waste electrical and electronic equipment WEEE and batteries For information about recycling options check the Support Service section of the Tektronix Web site www tektronix com Restriction of Hazardous This product has been classified as Monitoring and Control equipment and is Substances outside the scope of the 2002 95 EC RoHS Directive vi 80C00 Series Optical Sampling Modules User Manual Preface This is the user manual for the 80C00 Series Optical Modules and their available options It includes the following information Describes the capabilities of the modules and how to install them m Explains how to operate the modules how to control acquisition processing and input output of information Go to the Tektronix Web site at http www tek com for the latest revision of the user documentation Enter the part number or product name to locate and the download type in the Downloads fields on the home page and click GO You can also order a printed version of this manual See page 8 Optional Accessories Specifications Specifications are located in the D 48200 Digital Serial Analyzer Specifications and Performance Verification Technical Reference Tekt
45. provided with your main instrument viii 80C00 Series Optical Sampling Modules User Manual Getting Started The 80C00 Series Optical Modules and their available options are high performance optical modules that support high bandwidth telecom and datacom standards The 80C00 Series modules work with the following main instruments mainframes DSA8200 Digital Serial Analyzer CSA8000 CSA8000B and CSA8200 Communications Signal Analyzers TDS8000 TDS8000B and TDS8200 Digital Sampling Oscilloscopes Proper operation of the optical sampling modules requires that the appropriate application software is installed on the main instrument The following table lists the mainframe application software versions and the optical modules supported To display the version installed select About from the Help menu of the main instrument Table 1 Application software version required Application software version Modules supported 1 0 1 80C01 80C01 CR 80C02 80C02 CR 14 1 Added 80010 Tq 3 Added 80C07B 80C07B CR1 80C08C 80C08C CR1 80C08C CR2 80C08C CR4 80C11 80C11 CR1 80C11 CR2 80C11 CR3 80C11 CR4 2 0 1 3 2 3 Added 80C12 limited 2 0 1 5 3 Added 80C12 5 0 or greater 4 Fw N Product Description 80C00 Series Optical Sampling Modules User Manual Added 80C02 Option 01 80C08C Option 01 80C10B 80C11 Option 01 80C12 Option 01 80C25GBE Product application software version 1 x requires th
46. ptical input receptacle as follows Figure 3 shows the proper use of a UCI adapter 1 Firmly press the cable connector or adapter into the interface ferrule until it reaches the stop 2 Line up the key with the slot in the UCI adapter before inserting 80C00 Series Optical Sampling Modules User Manual 13 Operating Basics Step 1 Line up key with Step 2 Push connector straight in Do not push at an angle slot before inserting Figure 3 Connecting optical cables correctly CAUTION Do not insert the connector into the UCI adapter at an angle Do not insert the connector and then rotate to line up the key with the slot Either action may damage the UCI adapter amp Key slot ly 5 Do not rotate Connector key not aligned with slot Figure 4 Incorrectly connecting optical cables 3 Firmly tighten the cable connector or the adapter shell Tighten with finger pressure only 4 To remove loosen the cable connector or adapter shell 14 80C00 Series Optical Sampling Modules User Manual Attenuating Optical Signals AN System Interaction Operating Basics To keep the optical input power to an appropriate level it may be necessary to attenuate the optical signal CAUTION To avoid damaging the optical input of the module attenuate the input optical signal to the Absolute Maximum Nondestructive Optical Input peak specifications To maintain the levels within performance
47. quency at which the power out is one half the power out at a frequency near DC The range of frequencies handled by a device or system Bandwidth is a measure of network capacity Analog bandwidth is measured in cycles per second Digital bandwidth is measured in bits of information per second See page 32 Optical Bandwidth Channel A place to connect a signal or attach a network or transmission line to sampling heads Also the smallest component of a math expression A transmission path between two or more stations Channel Number The number assigned to a specific signal input connector The top channel of the left most sampling head compartment of the main instrument is always channel 1 regardless of any repositioning or omission of sampling heads Clock A signal that provides a timing reference 80C00 Series Optical Sampling Modules User Manual 35 Glossary Common Mode A circumstance where a signal is induced in phase on both sides of a differential network dB Decibel a method of expressing power or voltage ratios The decibel scale is logarithmic It is often used to express the efficiency of power distribution systems when the ratio consists of the energy put into the system divided by the energy delivered or in some cases lost by the system One milliwatt of optical power is usually the optical reference for 0 dBm The formula for decibels is Po Vi dB 20log for optical db 2 l i where V
48. r use as the trigger it is not necessary to attach a cable from the clock or 1 16 clock to the external trigger input Simply select the recovered clock for triggering from the trigger menu The 80C12 module uses the 80405 or 80407 Electrical Clock Recovery module for Clock and Data recovery Refer to the 80405 or 80407 module user documentation for triggering information The 80C10B and 80C25GBE modules with Option CRTP do not provide an internal recovered clock trigger signal to the main instrument These modules require a compatible external clock recovery device such as the Tektronix CR286A Option HS 80C00 Series Optical Sampling Modules User Manual 31 Reference Optical Bandwidth 32 Traditionally bandwidth is defined as the frequency at which the power out is one half the power out at a frequency near DC In the voltage domain the power dissipated into a resistive load such as a 50 Q termination of a sampler is the Vrms R where Vams is the RMS of the voltage swing seen at the resistive load and R is the resistance value The frequency dependent response of a system is typically described using a logarithmic decibel scale A value expressed in terms of a decibel relative to a reference is defined as dB 10log s reference For electrical bandwidths the reference of a system is commonly the response of the system to a sinusoidal frequency at or near DC The point at which the system response power is the common paramet
49. range and to avoid clipping use the following table to set the maximum optical input signal levels Table 8 Maximum optical signal levels Module Average Peak 80C02 5mW 10 mw 80C07B 5mW 10 mW 80C08C 1 mW 10 mW 80C10B 20 mW 60 mW 80C11 5mW 10 mW 80C12 1 mW 10 mW 80C25GBE 20 mW 60 mW NOTE The 80C07B module can have a somewhat deteriorated response for signals greater than 200 NW 1310 nm and 1550 nm and 400 mW p 780 nm and 850 nm The 80C08C and 80C12 modules also can have a somewhat deteriorated response for signals larger than 500 uW 1310 nm and 1550 nm and 800 mW 850 nm NOTE Optical sampling modules may have dynamic ranges exceeded without obvious visual indication onscreen because the overloaded signal output of the photodetector may still be within the dynamic range of the internal electrical sampler Your optical module is a part of a larger instrument system Most optical module functions are controlled automatically by the main instrument These include such things as vertical scaling and horizontal sampling rate You do not directly control these parameters they are controlled for you as you perform tasks on the main instrument The parameters that you control from the optical module front panel are explained in the Front Panel Controls section An additional optical module function that you control from the main instrument is external channel attenuation External Attenuation
50. refully at all times CAUTION To avoid damaging your optical module take the following precautions Do not drop the module since damage and misalignment of the photodiode optical assembly can result Store the module in a secure location when not in use Place the protective cap on the input connector when the module is not in use To prevent loss of optical power or damage to the optical connectors keep the connectors clean at all times Check that all connectors jumpers and protective caps are clean before connecting them to the module See page 22 Cleaning Optical Connectors Take care to preserve the integrity of the connectors by keeping them free of contamination For cleaning information see Cleaning Optical Connectors See page 22 The input of the 80C02 80C10B 80C11 and 80C25GBE modules see note can couple to single mode optical fibers with a core diameter cladding diameter of 9 125 mm The 80C07B 80C08C and 80C12 modules can couple to any single mode dimension or multimode dimension not exceeding a core diameter cladding diameter of 62 5 125 mm You can couple alternate types by using UCI universal connector interface series adapters Refer to the Tektronix Web site for details NOTE The 80C10B and 80C25GBE have two separate optical inputs Use the correct input for taking 1310 nm or 1550 nm measurements Attach the fiber optic cable with a suitable connector or a UCI Interface adapter to the o
51. ronix part number 071 2048 xx You can download the manual from the Tektronix Web site www tektronix com To meet measurement specifications the following instrument conditions must be met m The instrument must have been calibrated adjusted at an ambient temperature between 20 C and 30 C B The instrument must have been operating continuously for 20 minutes within the operating temperature range specified BW Vertical compensation must have been performed with the module installed in the same compartment used when the compensation was performed Ambient temperature must be within 2 C of the compensation temperature m The instrument must be in an environment with temperature altitude humidity and vibration within the operating limits described in the specifications 80C00 Series Optical Sampling Modules User Manual vii Preface Manual Structure This manual is composed of the following chapters BW Getting Started shows you how to configure and install your optical module Operating Basics describes controlling the module using the front panel and the instrument user interface B Reference provides information on wavelength selection clock recovery and optical bandwidth Related Documentation This document covers installation and usage of the sampling module and its features For information about the main instrument in which the sampling module is installed refer to the user documents and online help
52. t is indirectly grounded through the grounding conductor of the mainframe 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 inputs are not rated for connection to mains or Category II HI or IV circuits Do not apply a potential to any terminal including the common terminal that exceeds the maximum rating of that terminal Do not operate without covers Do not operate this product with covers or panels removed Do not operate with suspected failures If you suspect that there is damage to this product have it inspected by qualified service personnel Avoid exposed circuitry Do not touch exposed connections and components when power is present Wear eye protection Wear eye protection if exposure to high intensity rays or laser radiation exists Do not operate in wet damp conditions Do not operate in an explosive atmosphere 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 80C00 Series Optical Sampling Modules User Manual

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