Tektronix 80C14 User Manual
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Tektronix 80C14 User Manual

Tektronix 80C14 User Manual

Optical sampling module
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80C14
Optical Sampling Module
ZZZ
User Manual
*P071295500*
071-2955-00

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Summary of Contents for Tektronix 80C14

  • Page 1 80C14 Optical Sampling Module User Manual *P071295500* 071-2955-00...
  • Page 3 80C14 Optical Sampling Module User Manual www.tektronix.com 071-2955-00...
  • Page 4 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.
  • Page 5 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.

  • Page 7: Table Of Contents

    Commands from the Main Instrument Front Panel ............Programmer Interface Commands ................User Adjustments ..................... Optimizing Measurement Accuracy ................ Cleaning ....................... Reference ......................Wavelength, Filter, and Bandwidth Selection ............. Clock Recovery ....................Optical Bandwidth .................... Glossary Index 80C14 Optical Sampling Module User Manual...
  • Page 8 Table of Contents List of Figures Figure 1: Module compartments.................. Figure 2: Connecting optical cables correctly..............Figure 3: 80C14 optical module front panel..............Figure 4: Vertical Setup dialog boxes (DSA8200)............. 80C14 Optical Sampling Module User Manual...
  • Page 9 Table of Contents List of Tables Table 1: 80C14 module features .................. Table 2: Standard accessories ..................Table 3: Available 80C14 options ................Table 4: Optional accessories ..................80C14 Optical Sampling Module User Manual...

  • Page 10: General Safety Summary

    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. 80C14 Optical Sampling Module User Manual...
  • Page 11 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: 80C14 Optical Sampling Module User Manual...

  • Page 12: Environmental Considerations

    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 outside the scope of the 2002/95/EC RoHS Directive. Substances 80C14 Optical Sampling Module User Manual...

  • Page 13: Preface

    Preface This manual for the 80C14 Optical Sampling Module includes the following information: Key features How to install the module How to control signal acquisition, processing, and input/output of information Go to the Tektronix manuals Web site (www.tek.com/manuals) to locate the latest version of this document.

  • Page 14: 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 provided with your main instrument. viii 80C14 Optical Sampling Module User Manual...

  • Page 15: Getting Started

    Module Features Table 1 lists the 80C14 optical module features. (See Table 1 on page 2.) A figure in the Operating Basics section shows the module controls, connectors, and indicators. (See Figure 3 on page 9.)

  • Page 16: Table 1: 80C14 Module Features

    Power meter Standard Some values in the table are typical. 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. 80C14 Optical Sampling Module User Manual...

  • Page 17: Options And Accessories

    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 119-4557-XX SMA UCI adapter DIAMOND 3.5 UCI adapter 119-4558-XX 80C14 Optical Sampling Module User Manual...

  • Page 18: Installation

    DSA8200 Service Manual 071-2049-XX 80C14 Series Optical Sampling Module User 071-2955-XX Manual (this document) See the Tektronix Web site for the current list of optional accessories. Installation Electrostatic Discharge CAUTION. The electrical data outputs on the optical module are subject to damage from electrostatic discharge (ESD).

  • Page 19: Figure 1: Module Compartments

    DSA8300. 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. (See Figure 1.) Figure 1: Module compartments 80C14 Optical Sampling Module User Manual...
  • Page 20 5. Pull on the hold-down screws to remove the module from the slot. 6. Handle the module appropriately (move to another slot in the instrument or place in a static-protected environment to transport or store the module). 80C14 Optical Sampling Module User Manual...

  • Page 21: Operating Basics

    62.5/125 mm. Use UCI (universal connector interface) series adapters to couple alternate cable types to the optical module. Refer to the Tektronix Web site for details. Attach the fiber optic cable to the optical input receptacle as follows: CAUTION.

  • Page 22: System Interaction

    To avoid damaging the optical input of the module, attenuate the input optical signal to the absolute maximum optical signal levels listed above. NOTE. The 80C14 module can have a somewhat deteriorated response for signals greater than 800 μW (1310 nm and 1550 nm) and 1300 μW (850 nm).

  • Page 23: Front Panel Controls

    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. Go to www.tek.com to download the latest catalog.)

  • Page 24: Commands From The Main Instrument Front Panel

    Operating Basics Outputs The 80C14 module provides buffered electrical signal outputs. For clock recovery purposes, route this signal to the input of an CR175A or CR286A Electrical Clock Recovery instrument. CAUTION. Electrostatic discharge (ESD) will cause permanent damage to electrical outputs. Adhere to standard ESD handling precautions when using the outputs.

  • Page 25: Figure 4: Vertical Setup Dialog Boxes (Dsa8200)

    Operating Basics Detailed information on these dialog boxes is found in the Online Help of your instrument. Figure 4: Vertical Setup dialog boxes (DSA8200) 80C14 Optical Sampling Module User Manual...

  • Page 26: Programmer Interface Commands

    Power on the instrument and allow a 20-minute warm-up before doing this procedure. Access the Select Utilities > Compensation from the application compensation menu bar. routines 80C14 Optical Sampling Module User Manual...
  • Page 27 13. Click the Save option button under Select Action. Click compensation the Execute button to save the compensation values. values Make sure to save the compensation values. In-memory compensation values are lost when you power off the instrument. 80C14 Optical Sampling Module User Manual...
  • Page 28 See the instrument user documentation and online help for details on operating the instrument controls. Select the Use the Vertical buttons to select the channel to waveform compensate. Access the Click Setup > Vertical. dark-level compensation 80C14 Optical Sampling Module User Manual...
  • Page 29 fiber cables. Click the OK button to execute the compensation. Repeat steps 2, 6, and 7 for any additional optical channels that you want to compensate. 80C14 Optical Sampling Module User Manual...

  • Page 30: Cleaning

    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. Interior Do not open the module case. There are no user serviceable components inside the module and cleaning the interior is not required.
  • Page 31 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...
  • Page 32 Clean Clean any male fiber end-face input fiber or device that Use a similar cleaning method to clean the fiber attaching you attach to the UCI input. end-face input fiber or device. devices 80C14 Optical Sampling Module User Manual...

  • Page 33: Reference

    For more information, consult the Online Help for your main instrument. Clock Recovery The 80C14 module comes standard with a buffered electrical signal output that, when routed to a CR175A or CR286A Clock Recovery instrument, provides a recovered clock signal. Refer to the CR175A or CR286A instrument user documentation for triggering information.
  • Page 34 The expression is simplified by canceling the R and moving the squared term inside the log expression to a multiple outside the log expression: For the Tektronix 8000 series sampling oscilloscopes, the vertical units displayed for an optical module are not in volts, but in watts, which are units of power.
  • Page 35 GbE, and OC/STM standards) uses the definition of dB and bandwidth that Receiver Settings matches the industry standard which assumes electrical bandwidths where –3 dB = 20 log(vertical swing at frequency / vertical swing at DC). 80C14 Optical Sampling Module User Manual...
  • Page 36 Reference 80C14 Optical Sampling Module User Manual...

  • Page 37: Glossary

    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. 80C14 Optical Sampling Module User Manual...
  • Page 38 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. 80C14 Optical Sampling Module User Manual...
  • Page 39 (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. 80C14 Optical Sampling Module User Manual...
  • Page 40 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. 80C14 Optical Sampling Module User Manual...

  • Page 41: Index

    12 Dark-level compensation Safety Summary, iv Mode, 25 how to perform, 14 Sampling head features, 1 Modulation, 25 dB, 24 SELECT CHANNEL button, 9 Module features, 1 dBm, 24 Setting, 26 Multimode cable, 26 80C14 Optical Sampling Module User Manual...
  • Page 42 Wavelength Specifications, vii User wavelength compensation selection, 19 Standard accessories, 3 how to perform, 14 Wavelength gain System interaction, 8 compensation, 14 Vertical compensation Trigger, 26 how to perform, 12 Usage, 7 Waveform, 26 80C14 Optical Sampling Module User Manual...

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