Service Manual
MTS
100
MPEG Test System
Serial Number B040000 and Above
070-9521-04
Warning
The servicing instructions are for use by qualified
personnel only. To avoid personal injury, do not
perform any servicing unless you are qualified to
do so. Refer to all safety summaries prior to performing service.
Copyright Tektronix, Inc. All rights reserved.
T ektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes
that in all previously published material. Specifications and price change privileges reserved.
HASP is a registered trademark of Aladdin Knowledge System Ltd.
Matra is a trademark of Matra Communication
T ektronix, Inc., P.O. Box 1000, Wilsonville, OR 97070–1000
TEKTRONIX and TEK are registered trademarks of T ektronix, Inc.
WARRANTY
T ektronix 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, T ektronix, 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 T ektronix, with shipping charges prepaid.
T ektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the
T ektronix 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. T ektronix shall not be obligated to furnish service under this warranty a) to repair damage resulting
from attempts by personnel other than T ektronix representatives to install, repair or service the product; b) to repair
damage resulting from improper use 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 CUST OMER 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.
Service Assurance
If you have not already purchased Service Assurance for this product, you may do so at any time during the product’s
warranty period. Service Assurance provides Repair Protection and Calibration Services to meet your needs.
Repair Protection extends priority repair services beyond the product’s warranty period; you may purchase up to three
years of Repair Protection.
Calibration Services provide annual calibration of your product, standards compliance and required audit documentation,
recall assurance, and reminder notification of scheduled calibration. Coverage begins upon registration; you may purchase
up to five years of Calibration Services.
Service Assurance Advantages
Priced well below the cost of a single repair or calibration
Avoid delays for service by eliminating the need for separate purchase authorizations from your company
Eliminates unexpected service expenses
For Information and Ordering
For more information or to order Service Assurance, contact your T ektronix representative and provide the information
below . Service Assurance may not be available in locations outside the United States of America.
Name VISA or Master Card number and expiration
Company date or purchase order number
Address Repair Protection (1, 2, or 3 years)
City , State, Postal code Calibration Services (1, 2, 3, 4, or 5 years)
Country Instrument model and serial number
Phone Instrument purchase date
Table of Contents
Preface
Introduction
Specifications
General Safety Summary ix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Safety Summary xi. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Related Manuals xiv. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Manual Conventions xiv. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Before You Begin xv. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Strategy xv. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T ektronix Service Offerings xv. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
For More Information xvi. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Product Description 1–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specification T ables 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Performance Conditions 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hardware Electrical Specifications 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Specifications 1–15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mechanical (Physical) Characteristics 1–15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Environmental Characteristics 1–15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Information
Installation 2–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cabling the T est System Inputs/Outputs 2–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Information 2–14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Theory of Operation
External I/O 3–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Data Store 3–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Performance Verification
Test Interval 4–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Incoming Inspection T est 4–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Prerequisites 4–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Equipment Required 4–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T est Record 4–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Procedure Structure 4–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Turn On/Log In Procedure 4–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Loading Data Files from the MTS100 Service Data Files disk 4–6. . . . . . . . . . . . . .
Internal Clock T est 4–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
G.703 I/O Port T ests 4–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TTL 50 Ohm Port Tests 4–24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MTS100 MPEG Test System Service Manual
i
Contents
Adjustment Procedures
Maintenance
Options Replaceable Parts
10 Mbits/s (RS-422) Port T ests 4–36. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ECL Parallel Port T ests 4–46. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ECL Serial Port Tests 4–56. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Equipment Required 5–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oscillator Frequency Adjustment 5–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preparation 6–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Handling Static-Sensitive Components 6–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning and Inspection 6–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal and Replacement Instructions 6–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Server Diagnostics and Data Store Troubleshooting 6–13. . . . . . . . . . . . . . . . . . . . . .
Data Store Diagnostics 6–19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Repackaging 6–28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendices
Parts Ordering Information 8–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Module Servicing 8–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Using the Replaceable Parts List 8–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix A:
Software Repair (Software Version 2.0) A–1. . . . . . . . . . . . . . . . . . . . .
If an Application Locks A–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Creating and Using an Emergency Repair Disk A–2. . . . . . . . . . . . . . . . . . . . . . . . .
Reinstalling the MTS100 Version 2.0 Software A–5. . . . . . . . . . . . . . . . . . . . . . . . .
Installing the Software on a New System Disk A–16. . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix B:
Software Repair (Software Version 2.1) B–1. . . . . . . . . . . . . . . . . . . . .
If an Application Locks B–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Creating and Using an Emergency Repair Disk B–2. . . . . . . . . . . . . . . . . . . . . . . . .
Reinstalling the MTS100 Version 2.1 Software B–4. . . . . . . . . . . . . . . . . . . . . . . . .
Installing the Software on a New System Disk B–14. . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix C: MTS100 Test System Application Software C–1. . . . . . . . . .
Software Version 2.0 C–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Software Version 2.1 C–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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MTS100 MPEG Test System Service Manual
List of Figures
Contents
Figure 1–1: Components of the MTS100 MPEG Test System 1–1. . . . . .
Figure 1–2: Pulse specification for a G.703 8.448 MHz pulse 1–5. . . . . . .
Figure 1–3: Pulse specification for G.703 34.368 MHz 1–7. . . . . . . . . . . .
Figure 1–4: Timing diagram for the ECL serial port 1–10. . . . . . . . . . . . .
Figure 1–5: ECL Timing diagram with control port 1–11. . . . . . . . . . . . . .
Figure 1–6: Timing for the TTL port and the separate clock input 1–12. .
Figure 1–7: Timing diagram for the 10 Mbit Serial port 1–13. . . . . . . . . .
Figure 2–1: The MTS100 MPEG Test System 2–3. . . . . . . . . . . . . . . . . . .
Figure 2–2: The rear panel of the MTS 100 server 2–4. . . . . . . . . . . . . . .
Figure 2–3: MTS100 HASP 2–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–4: The MTS100 MPEG Test System signal I/O 2–8. . . . . . . . . .
Figure 2–5: Turning on the MTS100 MPEG Test System 2–14. . . . . . . . . .
Figure 2–6: The Tektronix MTS100 submenu (V2.0 shown) 2–15. . . . . . .
Figure 3–1: Test System block diagram 3–1. . . . . . . . . . . . . . . . . . . . . . . .
Figure 4–1: The Tektronix MTS100 V2.0 submenu 4–6. . . . . . . . . . . . . . .
Figure 4–2: Setup for measuring internal clock output accuracy 4–8. . .
Figure 4–3: Setup for measuring 8.448 Mbits/s signal parameters 4–11. .
Figure 4–4: Setup for testing G.703 8.448 Mbits/s slave acquisition 4–12.
Figure 4–5: Example file comparison results 4–14. . . . . . . . . . . . . . . . . . . .
Figure 4–6: Setup for testing G.703 8.448 Mbits/s master generation 4–15
Figure 4–7: Example file comparison results 4–17. . . . . . . . . . . . . . . . . . . .
Figure 4–8: Setup for measuring 34Mbits/s signal parameters 4–18. . . . .
Figure 4–9: Setup for testing G.703 34.368 Mbits/s slave acquisition 4–19
Figure 4–10: Example results 4–21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4–11: Setup for testing G.703 34.368 Mbits/s
master generation 4–22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4–12: Setup for measuring TTL 50 ohm
clock pulse amplitude 4–24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4–13: TTL 50 ohm slave acquisition
and master generation setup 4–26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4–14: Example high speed slave acquisition
file comparison results 4–28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4–15: Example Command Prompt comparison results 4–32. . . . . .
Figure 4–16: Setup for measuring the pulse generator output 4–33. . . . . .
MTS100 MPEG Test System Service Manual
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Contents
Figure 4–17: Setup for checking 50 ohm external clock generation 4–34. .
Figure 4–18: 10 MHz signal interconnect fixture 4–36. . . . . . . . . . . . . . . . .
Figure 4–19: Setup for checking 10 Mbit serial port high speed clock slave
acquisition and master generation 4–37. . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4–20: Setup for measuring the pulse generator output 4–43. . . . . .
Figure 4–21: Setup for checking 10 Mbit external clock generation 4–44.
Figure 4–22: Setup for checking ECL parallel port data transfer 4–46. . .
Figure 4–23: Example file comparison results 4–48. . . . . . . . . . . . . . . . . . .
Figure 4–24: Setup for measuring the pulse generator output 4–50. . . . . .
Figure 4–25: Setup for checking ECL parallel port generation with an
external clock 4–51. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4–26: Setup for checking ECL parallel port master acquisition and
slave generation 4–53. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4–27: Setup for checking ECL serial port slave acquisition and
master generation 4–57. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4–28: Example file comparison results 4–59. . . . . . . . . . . . . . . . . . .
Figure 4–29: Setup for measuring the pulse generator output 4–61. . . . . .
Figure 4–30: Setup for checking ECL serial port generation with an
external clock 4–62. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4–31: Setup for checking ECL serial port slave generation 4–64. .
Figure 5–1: Rear panel securing screws. 5–3. . . . . . . . . . . . . . . . . . . . . . . .
Figure 5–2: Removing the Data Store circuit board 5–4. . . . . . . . . . . . . .
Figure 5–3: Location of the 8.448 MHz oscillator adjustment 5–5. . . . . .
Figure 5–4: The Tektronix MTS100 V2.0 submenu 5–6. . . . . . . . . . . . . . .
Figure 5–5: Disk manager Service menu 5–7. . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–1: Top view of the server 6–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–2: MTS100 rear panel securing screws 6–7. . . . . . . . . . . . . . . . .
Figure 6–3: Removing the Data Store circuit board 6–8. . . . . . . . . . . . . .
Figure 6–4: Front of server shown disk drive access 6–10. . . . . . . . . . . . . .
Figure 6–5: Removing Data Store hard disk drives 6–11. . . . . . . . . . . . . . .
Figure 6–6: Start the application 6–15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–7: The data store disk manager (Carb administrator) main
window 6–15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–8: The Data Store Administrator File menu 6–16. . . . . . . . . . . . .
Figure 6–9: The FAT Information 6–16. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–10: CARB administrator Service menu 6–17. . . . . . . . . . . . . . . .
Figure 6–11: The Partitioning dialog box 6–17. . . . . . . . . . . . . . . . . . . . . . .
Figure 6–12: Data Store disk drive order 6–18. . . . . . . . . . . . . . . . . . . . . . .
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MTS100 MPEG Test System Service Manual
Figure 6–13: Enabling the Data Store diagnostics 6–20. . . . . . . . . . . . . . . .
Figure 6–14: Test choices dialog box 6–20. . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–15: Example test choices 6–21. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–16: Test choices dialog box while tests are running 6–22. . . . . . .
Figure 6–17: Output window 6–23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–18: Detail dialog box 6–24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–19: SRAM failure 6–25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–20: DPRAM failure 6–25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–21: EISA failure 6–26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–22: NCR <–> CPU failure 6–26. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–23: SCSI banks failures 6–27. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–24: Disk access by NCR failure 6–28. . . . . . . . . . . . . . . . . . . . . . .
Figure 6–25: Disk access by DMA failure 6–28. . . . . . . . . . . . . . . . . . . . . . .
Figure 6–26: Repackaging the MTS100 server 6–30. . . . . . . . . . . . . . . . . .
Figure 8–1: MTS100 MPEG Test System 8–6. . . . . . . . . . . . . . . . . . . . . . .
Contents
Figure A–1: Select the locked application
in the Task Manager window A–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure A–2: The Repair Disk dialog box A–3. . . . . . . . . . . . . . . . . . . . . . . .
Figure A–3: All data on the disk will be erased A–4. . . . . . . . . . . . . . . . . .
Figure A–4: Uninstall the software A–6. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure A–5: Run d:\setup to reinstall the software A–7. . . . . . . . . . . . . . .
Figure A–6: The MTS100 software installation dialog box A–7. . . . . . . .
Figure A–7: Specifying the destination directory A–8. . . . . . . . . . . . . . . . .
Figure A–8: The Select Program Folder dialog box A–8. . . . . . . . . . . . . . .
Figure A–9: The progress dialog box and activity gauges A–9. . . . . . . . . .
Figure A–10: Check HASP installation A–9. . . . . . . . . . . . . . . . . . . . . . . . .
Figure A–11: Notice to reboot your system A–10. . . . . . . . . . . . . . . . . . . . . .
Figure A–12: The Restart Windows NT dialog box A–10. . . . . . . . . . . . . . .
Figure A–13: Select Run from the Start menu A–11. . . . . . . . . . . . . . . . . . .
Figure A–14: Specify c:\Mts100\Bin\Matracom.exe A–11. . . . . . . . . . . . . .
Figure A–15: The resource parameters have not been reset A–11. . . . . . . .
Figure A–16: Choose Taskbar from the Settings submenu A–12. . . . . . . . .
Figure A–17: Choose Advanced Start Menu Settings A–12. . . . . . . . . . . . .
Figure A–18: Open the Programs folder A–13. . . . . . . . . . . . . . . . . . . . . . . .
Figure A–19: Move the MTS100 shortcuts into the file folder A–13. . . . . .
Figure A–20: Replace the old MTS100 V2.0 file folder with the new A–14
Figure A–21: Copy the MTS100 V2.0 folder to the desktop folder A–15. .
MTS100 MPEG Test System Service Manual
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Contents
Figure A–22: The correct Tektronix MTS100 V2.0 submenu A–15. . . . . . .
Figure A–23: The Tektronix MTS100 V2.0 program group window A–16.
Figure A–24: Start the User Manager A–18. . . . . . . . . . . . . . . . . . . . . . . . . .
Figure A–25: The New User window A–18. . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure A–26: The system startup and recovery options A–19. . . . . . . . . . .
Figure B–1: Select the locked application in the
Task Manager window B–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure B–2: The Repair Disk dialog box B–3. . . . . . . . . . . . . . . . . . . . . . . .
Figure B–3: All data on the disk will be erased B–4. . . . . . . . . . . . . . . . . .
Figure B–4: Uninstall the software B–5. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure B–5: Run d:\setup to reinstall the software B–6. . . . . . . . . . . . . . .
Figure B–6: The MTS100 software installation dialog box B–7. . . . . . . . .
Figure B–7: Specifying the destination directory B–7. . . . . . . . . . . . . . . . .
Figure B–8: The Select Program Folder dialog box B–8. . . . . . . . . . . . . . .
Figure B–9: The progress dialog box and activity gauges B–8. . . . . . . . . .
Figure B–10: Check HASP installation B–9. . . . . . . . . . . . . . . . . . . . . . . . .
Figure B–11: Click OK; you will reboot later B–9. . . . . . . . . . . . . . . . . . . .
Figure B–12: Select Slot 2 (serial number B040000 and above) B–9. . . . .
Figure B–13: The Restart Windows NT dialog box B–10. . . . . . . . . . . . . . .
Figure B–14: Choose Taskbar from the Settings submenu B–10. . . . . . . . .
Figure B–15: Choose Advanced Start Menu Settings B–11. . . . . . . . . . . . .
Figure B–16: The Exploring – Start Menu window B–11. . . . . . . . . . . . . . .
Figure B–17: Open the Programs folder B–12. . . . . . . . . . . . . . . . . . . . . . . .
Figure B–18: Move the Tektronix MTS100 V2.1 folder
to the Start Menu B–12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure B–19: Copy the Tektronix MTS100 V2.1 folder
onto the Desktop B–13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure B–20: The Tektronix MTS100 V2.1 program group window B–13.
Figure B–21: The correct Tektronix MTS100 V2.1 submenu B–14. . . . . . .
Figure B–22: Start the User Manager B–16. . . . . . . . . . . . . . . . . . . . . . . . . .
Figure B–23: The New User window B–16. . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure B–24: The system startup and recovery options B–17. . . . . . . . . . .
vi
MTS100 MPEG Test System Service Manual
List of Tables
Contents
Table 1–1: G.703 — 8.448 MHz 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–2: G.703 — 34.368 MHz 1–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–3: ECL parallel, serial, and control ports 1–8. . . . . . . . . . . . . . .
Table 1–4: ECL parallel data pinout 1–9. . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–5: ECL serial data pinout 1–10. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–6: ECL control port pinout 1–11. . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–7: 50 W TTL I/O 1–12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–8: 10 Mbit serial port (RS-422 levels I/O Port) 1–12. . . . . . . . . . .
Table 1–9: 10 Mbit serial port pinout 1–13. . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–10: Clock Port 1–14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–11: PLL 1–14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–12: Power requirements 1–15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–13: MTS100 mechanical characteristics 1–15. . . . . . . . . . . . . . . .
Table 1–14: MTS100 environmental characteristics 1–15. . . . . . . . . . . . . .
Table 1–15: Safety standards 1–16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–16: Safety certification compliance 1–16. . . . . . . . . . . . . . . . . . . . .
Table 1–17: Certifications and compliances 1–17. . . . . . . . . . . . . . . . . . . . .
Table 2–1: Cable selection criteria 2–7. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 2–2: ECL control port pinout 2–9. . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 2–3: ECL parallel data pinout 2–10. . . . . . . . . . . . . . . . . . . . . . . . . .
Table 2–4: ECL serial data pinout 2–11. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 2–5: 10 Mbit serial port pinout 2–12. . . . . . . . . . . . . . . . . . . . . . . . . .
Table 2–6: MTS100 applications 2–16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 4–1: Required equipment list 4–2. . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 4–2: The I/O port tests 4–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 4–3: Internal clock accuracy limits 4–9. . . . . . . . . . . . . . . . . . . . . .
Table 5–1: Required equipment list 5–1. . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 6–1: Static susceptibility 6–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 6–2: Identifying defective data store disks 6–19. . . . . . . . . . . . . . . . .
Table 6–3: Packaging Material 6–29. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 7–1: Power cord options 7–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MTS100 MPEG Test System Service Manual
vii
Contents
viii
MTS100 MPEG Test System Service Manual
General Safety Summary
Review the following safety precautions to avoid injury and prevent damage to
this product or any products connected to it.
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.
Injury Precautions
Use Proper Power Cord. To avoid fire hazard, use only the power cord specified
for this product.
Avoid Electric Overload. To avoid electric shock or fire hazard, do not apply a
voltage to a terminal that is outside the range specified for that terminal.
Avoid Overvoltage. To avoid electric shock or fire hazard, do not apply potential
to any terminal, including the common terminal, that varies from ground by
more than the maximum rating for that terminal.
Avoid Electric Shock. To avoid injury or loss of life, do not connect or disconnect
probes or test leads while they are connected to a voltage source.
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.
Do Not Operate Without Covers. To avoid electric shock or fire hazard, do not
operate this product with covers or panels removed.
Use Proper Fuse. To avoid fire hazard, use only the fuse type and rating specified
for this product.
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 an Explosive Atmosphere. To avoid injury or fire hazard, do not
operate this product in an explosive atmosphere.
Product Damage
Precautions
MTS100 MPEG Test System Service Manual
Use Proper Power Source. Do not operate this product from a power source that
applies more than the voltage specified.
Use Proper V oltage Setting. Before applying power, ensure that the line selector is
in the proper position for the power source being used.
ix
General Safety Summary
Provide Proper Ventilation. To prevent product overheating, provide proper
ventilation.
Do Not Operate With Suspected Failures. If you suspect there is damage to this
product, have it inspected by qualified service personnel.
Symbols and Terms
T erms 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.
T erms 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:
Protective Ground
(Earth) T erminal
Certifications and
Compliances
DANGER
High Voltage
Refer to the specifications section for a listing of certifications and compliances
that apply to this product.
x
ATTENTION
Refer to Manual
Double
Insulated
MTS100 MPEG Test System Service Manual
Service Safety Summary
Only qualified personnel should perform service procedures. Read this Service
Safety Summary and the General Safety Summary before performing any service
procedures.
Do Not Service Alone. Do not perform internal service or adjustments of this
product unless another person capable of rendering first aid and resuscitation is
present.
Disconnect Power. To avoid electric shock, disconnect the main power by means
of the power cord or, if provided, the power switch.
Use Care When Servicing With Power On. Dangerous voltages or currents may
exist in this product. Disconnect power, remove battery (if applicable), and
disconnect test leads before removing protective panels, soldering, or replacing
components.
To avoid electric shock, do not touch exposed connections.
MTS100 MPEG Test System Service Manual
xi
Service Safety Summary
xii
MTS100 MPEG Test System Service Manual
Preface
This manual contains the servicing information for MTS100 MPEG Test
Systems based on the Compaq ProLinea 2500 server platform, serial number
B040000 and above. The instrument is a personal computer (hereafter called the
server) equipped with application-specific hardware and software.
The following sections of this manual explain how to verify, service, troubleshoot, and repair the test system to the module level:
Specifications describes functional characteristics and performance requirements
for the MTS100 MPEG Test System.
Operating Information tells you how to install and operate the instrument.
Theory of Operation provides descriptions of the test system modules.
Performance Verification describes how to verify the functional performance of
the test system.
Adjustment Procedures describes how to adjust the oscillator frequency.
Maintenance contains the following information:
How to safely handle static-sensitive modules and components
How to remove and replace modules
Diagnostic and Troubleshooting information and procedures
Options.
Replaceable Parts gives all module and mechanical parts that comprise the test
system. Parts are identified on an indexed illustration to make them easier to
identify.
Appendices consist of the following items:
Software Repair to help you replace damaged software.
MTS100 Test System Application Software lists the directories and files that
make up the applications.
MTS100 MPEG Test System Service Manual
xiii
Preface
Related Manuals
Manual Conventions
The MTS100 MPEG Test System documentation consists of the following:
MTS100 MPEG Test System User Manual details how to operate the test system.
MTS100 MPEG Test System Read this First provides additional information that
will help a user understand the test system.
The following terms and conventions are used throughout this manual:
The term test system is used interchangeably with the more formal term
MTS100 MPEG Test System.
The term server refers to the personal computer (PC) that hosts the MTS100
MPEG Test System.
Signal names that have overbars
represent active low signals.
xiv
MTS100 MPEG Test System Service Manual
Introduction
Before You Begin
This manual contains maintenance information for the MTS100 MPEG Test
System. Take a few minutes to read this short introduction before doing any
repair or service work on the instrument.
This manual is for servicing the MTS100 MPEG Test System. To prevent injury
to yourself or damage to the test system, fulfill the following requirements
before you attempt service:
Be sure you are a qualified service person.
Read the Safety Summary found at the beginning of this manual.
Read Service Strategy, below.
When using this manual to service your test system, be sure to heed all warning,
cautions, and notes.
Service Strategy
This manual contains the following MTS100 MPEG Test System maintenance
and repair procedures:
Periodic maintenance
Performance verification
Module removal and replacement
Module-level fault diagnosis
Once you isolate a problem with a module, use the Replaceable Parts List in this
manual to determine the correct module part number to order from Tektronix.
Tektronix Service Offerings
Tektronix provides service to cover repair under warranty. Other services are
available that may provide a cost-effective answer to your service needs.
Whether providing warranty repair service or any of the other services listed
below, Tektronix service technicians, trained on Tektronix products, are best
equipped to service your MTS100 MPEG Test System. Tektronix technicians are
MTS100 MPEG Test System Service Manual
xv
Introduction
informed of the latest improvements to the product as well as the latest product
options.
Warranty Repair Service
Repair Service
Self Service
Tektronix warrants this product for one year from the date of purchase. (The
warranty appears after the title and copyright pages of this manual.) Tektronix
technicians provide warranty service at most Tektronix service locations
worldwide. Your Tektronix product catalog lists all service locations; if
necessary, contact your nearest Tektronix representative for more information or
assistance.
Tektronix offers single per-incident and annual maintenance agreements that
provide Depot Service repair of this test system.
Of these services, the annual maintenance agreement offers a particularly
cost-effective approach to service for many owners of the MTS100 MPEG Test
System. Such agreements can be purchased to span several years.
Tektronix supports repair to the module level by offering a Module Exchange
program. The Module Exchange service can reduce down time for repair by
allowing you to exchange most modules for remanufactured ones. Tektronix
ships you an updated and tested exchange module from the Beaverton, Oregon
service center. Each module comes with a 90-day service warranty.
For More Information
Please contact your local Tektronix service center or sales engineer for more
information on any of the repair or adjustment services previously described.
xvi
MTS100 MPEG Test System Service Manual
Specifications
Specifications
Product Description
This section lists the electrical, physical, and environmental characteristics of the
MTS100 MPEG Test System.
MTS100 MPEG Test System is installed a computer platform (called the server)
that uses Microsoftr Windows NT
made up of a server, monitor, keyboard, nmouse, and a software enabler key, or
HASPr, along with the MTS100 MPEG Test System Application software. See
Figure 1–1.
Monitor
TM
as its operating system. The Test System is
Server
HASP
Figure 1–1: Components of the MTS100 MPEG Test System
MTS100 MPEG Test System Service Manual
Keyboard
Mouse
1–1
Specifications
Specification Tables
The MTS100 MPEG Test System has the following features:
H The Test System generates, acquires, and analyzes MPEG2 transport streams
containing MPEG1 or MPEG2 elementary streams.
H The key system components, installed in the server, are the Data Store circuit
board and four Data Store hard disk drives.
H The Data Store I/O provides a variety of hardware interconnections,
consisting of TTL serial, G.703 serial, 10 Mbit serial, and ECL parallel and
serial.
H MTS100 MPEG Test System application software consists of six application
programs: Analyzer, Multiplexer, Table Editor, Channel Coder, Data Store
Administrator, and Packet Jitter.
The tables that begin on page 1–3 list the specifications for the MTS100 MPEG
Test System. Refer to the following definitions for an explanation of each
specification table column heading.
Characteristic
Performance Requirement
Supplemental Information
Characteristics are properties of the product.
Performance requirements are statements that define a characteristic, usually in
limit form. These statements are considered to be binding on the company
(seller), and can be verified by performing the appropriate portions of the
Performance Verification procedure, or by a separate and available procedure.
Supplemental information provides explanations for the information in the
performance requirement column, or typical performance characteristics for the
instrument. Statements in this column are not considered to be guaranteed
performance and are not ordinarily supported by a Performance Verification
procedure.
Performance Conditions
The Performance Requirements are valid within the environmental limits if the
instrument is adjusted at 25_ C ±5_ C, and a minimum warm-up time of
20 minutes is allowed.
1–2
MTS100 MPEG Test System Service Manual
Hardware Electrical Specifications
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Specifications
I/O Ports
The following tables give the specifications for the MTS100-specific I/O ports.
T able 1–1: G.703 — 8.448 MHz
Characteristics Performance requirements Supplemental information
Standards Conformance
Connector
Line Encoding
Serial Bit Rate
Generation/Acquisition T est
ББББББББББ
Input
Voltage Levels
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Á
ББББББББ
ББББББББ
ББББББББ
Return Loss (75 )
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ББББББББ
ББББББББ
ББББББББ
Connector
Jitter Tolerance
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ББББББББ
ББББББББ
ББББББББ
Output
Pulse Width
Pulse “Mark” Amplitude
No-Pulse “Space” Voltage
Pulse Shape
ÁÁББББББББ
Required Receiver Termination
8.448 Mbytes/s ± 10 ppm
Error free
ББББББББББ
ББББББББББ
ББББББББББ
ББББББББББ
ББББББББББ
ББББББББББ
ББББББББББ
ББББББББББ
ББББББББББ
ББББББББББ
2.37 V ± 0.237 V
0 ± 0.237 V
ББББББББББÁББББББББББ
ITU-CCITT G.703, G.823
SMB
HDB3
Tested with a 10 Mbyte file (within the
constraints of synchronization)
ББББББББББ
Standard level within 0 to 4 dB cable
attenuation at 1/2 clock
ББББББББББ
Standard Levels:
ББББББББББ
Mark from 2.033 V to 2.607 V
ББББББББББ
Space from –0.237 to +0.237 Volts
12 dB – 211 kHz to 422 kHz
ББББББББББ
18 dB – 422 kHz to 8.448 MHz
ББББББББББ
14 dB – 8.448 to 12.672 MHz
ББББББББББ
Male SMB
(shared with the 34.36 Mbit input)
177 ns peak-to-peak 20 Hz to 400 Hz
ББББББББББ
23.6 ns peak-to-peak 3 kHz to 400 kHz
ББББББББББ
ББББББББББ
Log prorated – 400 Hz to 3 kHz
59 ns nominal
Conforms to 8.448 MHz Pulse Mask, G.703
Figure 16 (see Figure 1–2)
75 nominal resistive
MTS100 MPEG Test System Service Manual
1–3
Specifications
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T able 1–1: G.703 — 8.448 MHz (cont.)
Characteristics Supplemental informationPerformance requirements
Jitter
ББББББББ
ББББББББ
ББББББББ
ББББББББ
ББББББББ
Connector
Return Loss
ББББББББ
ББББББББ
ББББББББББ
ББББББББББ
ББББББББББ
ББББББББББ
ББББББББББ
ББББББББББ
ББББББББББ
15 ns peak-to-peak with a 20 Hz lower
ББББББББББ
cut-off and a 400 kHz upper cut-off filter
ББББББББББ
5 ns peak-to-peak with a 3 kHz lower cut-off
ББББББББББ
and a 400 kHz upper cut-off filter
ББББББББББ
Allows a cascade of ten different regenera-
ББББББББББ
tors before system limit is reached
Male SMB
12 dB – 211 kHz to 422 kHz
ББББББББББ
18 dB – 422 kHz to 8.448 MHz
ББББББББББ
14 dB – 8.448 to 12.672 MHz
1–4
MTS100 MPEG Test System Service Manual
2.370 V
1.185 V
Specifications
69 ns
Nominal
pulse
0.237 V 0.237 V
35 ns
0 V
0.237 V 0.237 V
0.474 V 0.474 V 0.474 V
49 ns
59 ns
100 ns
118 ns
Figure 1–2: Pulse specification for a G.703 8.448 MHz pulse
MTS100 MPEG Test System Service Manual
1–5
Specifications
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T able 1–2: G.703 — 34.368 MHz
Characteristics Performance requirements Supplemental information
Standards Conformance
Connector
Line Encoding
Generation/Acquisition T est
БББББББББ
Serial Bit Rate
Input
Voltage Levels
ББББББББ
ББББББББ
ББББББББ
ББББББББ
Return Loss (75 )
ББББББББ
ББББББББ
Connector
ББББББББ
Jitter Tolerance
ББББББББ
ББББББББ
Output
Pulse Width
Pulse “Mark” Amplitude
ББББББББ
No-Pulse “Space” Voltage
Pulse Shape
Required Receiver Termination
Jitter
ББББББББ
ББББББББ
ББББББББ
ББББББББ
ББББББББ
Return Loss
ББББББББ
ББББББББ
ББББББББ
1–6
ITU-CCITT G.703, G.823
SMB
HDB3
Error free
ББББББББББ
Tested with a 10 Mbyte file
ББББББББББ
(within the constraints of synchronization)
34.368 Mbits/s ± 20 ppm
ББББББББББ
ББББББББББ
ББББББББББ
ББББББББББ
Standard level within 0 to 4 dB cable
ББББББББББ
attenuation at 1/2 clock
ББББББББББ
Standard level:
ББББББББББ
Mark from 0.9 V to 1.1 V
Space from –0.1 V to +0.1 V
ББББББББББ
12 dB 860 kHz to 1.72 MHz
ББББББББББ
ББББББББББ
ББББББББББ
18 dB 1.72 MHz to 34.368 MHz
ББББББББББ
14 dB 34.368 to 51.55 MHz
Male SMB
ББББББББББÁББББББББББ
(shared with the 8 Mbit input)
43.7 ns peak-to-peak – 100 Hz to 1 kHz
ББББББББББ
ББББББББББ
ББББББББББ
4.37 ns peak-to-peak – 10 kHz to 800 kHz
ББББББББББ
Log prorated – 1 kHz to 10 kHz
14.5 ns nominal
1.0 V ± 0.1 V
ББББББББББ
ББББББББББ
0 ± 0.1 V
Conforms to 34.368 MHz Pulse Mask,
Figure 17/G.703 (see Figure 1–3 )
75 nominal resistive
ББББББББББ
ББББББББББ
ББББББББББ
ББББББББББ
ББББББББББ
ББББББББББ
ББББББББББ
ББББББББББ
10 ns peak-to-peak with a 100 Hz lower
ББББББББББ
cut-off and a 800 kHz upper cut-off filter
ББББББББББ
2.45 ns peak-to-peak with a 10 kHz lower
ББББББББББ
cut-off and a 800 kHz upper cut-off filter
ББББББББББ
Allows a cascade of ten different regenera-
ББББББББББ
tors before system limit is reached
12 dB – 860 kHz to 1.72 MHz
ББББББББББ
18 dB – 1.72 MHz to 34.368 MHz
ББББББББББ
14 dB – 34.368 MHz to 51.55 MHz
ББББББББББ
MTS100 MPEG Test System Service Manual
1.0 V
0.5 V
Specifications
17 ns
Nominal
pulse
0.1 V 0.1 V
8.65 ns
0 V
0.1 V 0.1 V
0.2 V 0.2 V 0.2 V
12.1 ns
14.55 ns
24.5 ns
29.1 ns
Figure 1–3: Pulse specification for G.703 34.368 MHz
MTS100 MPEG Test System Service Manual
1–7
Specifications
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Á
Á
Á
Á
Á
T able 1–3: ECL parallel, serial, and control ports
Characteristics Performance requirements Supplemental information
БББББББББ
Connector
БББББББББ
БББББББББ
БББББББББ
БББББББББ
Generation/Acquisition T est
БББББББББ
Master/Slave
БББББББББ
Slave/Master (w/control)
Digital Format
ББББББББББ
ББББББББББ
ББББББББББ
ББББББББББ
ББББББББББ
All error free
ББББББББББ
ББББББББББ
ББББББББББ
(pinout is given in Table 1–4 )
ББББББББББ
Serial Data: D25
ББББББББББ
(pinout is given Table 1–5)
ББББББББББ
Flow Control: D9
ББББББББББ
(pinout is given in Table 1–6)
Tested with a 10 Mbyte file at maximum
data rates (within the constraints of
ББББББББББ
synchronization)
ББББББББББ
Binary , positive logic
Input
Parallel Data: D25
Maximum Data Rate
ББББББББ
ББББББББББÁББББББББББ
Serial: 55 Mbits/s
Parallel: 7.5 Mbytes/s
Minimum Data Rate Clock Rate: 1 MHz
Serial: 1 Mbits/s
Parallel: 125 Kbytes/s
Signal Level Amplitude
ББББББББ
Time Reference
ББББББББББÁББББББББББ
Differential ECL
Compliant with the ECL 100K levels
Rising edge of the clock
Output
Maximum Data Rate
ББББББББ
ББББББББББÁББББББББББ
Serial: 55 Mbits/s
Parallel: 7.5 Mbytes/s
Minimum Data Rate
ББББББББ
ББББББББ
ББББББББ
ББББББББББ
ББББББББББ
ББББББББББ
Clock rate: 1 MHz
ББББББББББ
ББББББББББ
Serial: 1 Mbits/s
ББББББББББ
Parallel: 125 Kbytes/s
Clock to Data Timing Data changes within 5 ns of falling clock
edge
Signal Level Amplitude
ББББББББ
Required Receiver Termination
ББББББББББÁББББББББББ
Differential ECL
Compliant with the ECL 100K levels
110 , line-to-line
1–8
MTS100 MPEG Test System Service Manual
T able 1–4: ECL parallel data pinout
ECL parallel port Pin Function Pin Function
1 DCLK 14 DCLK
1
2
3
4
5
6
7
8
9
10
11
12
13
2 Ground 15 Ground
14
3 DA TA 7 16 DATA 7
15
4 DA TA 6 17 DATA 6
16
17
5 DA TA 5 18 DATA 5
18
6 DA TA 4 19 DATA 4
19
7 DA TA 3 20 DATA 3
20
8 DA TA 2 21 DATA 2
21
21
9 DA TA 1 22 DATA 1
22
23
10 DAT A 0 23 DATA 0
24
11 DVALID 24 DVALID
25
12 PSYNC 25 PSYNC
13 Shield
Specifications
Asserted Low differential signal.
MTS100 MPEG Test System Service Manual
1–9
Specifications
T able 1–5: ECL serial data pinout
ECL serial port Pin Function
1 DCLK
1
2
3
4
5
6
7
8
9
10
11
12
13
2 Ground
14
3 - 9 Not Managed
15
10 DATA 0
16
17
11 DVALID
18
12 PSYNC
19
13 Shield
20
14 DCLK
21
21
15 Ground
22
23
16 – 22 Not Managed
24
23 DATA 0
25
24 DVALID
25 PSYNC
Asserted Low differential signal.
Active edge
data_clock
Data
data_valid
Figure 1–4: Timing diagram for the ECL serial port
D0
1–10
MTS100 MPEG Test System Service Manual
T able 1–6: ECL control port pinout
ECL control port Pin Function
1 CHCLK (Channel Clock)
2 Ground
1
2
2
3
4
5
Asserted Low differential signal.
demand_clock
CHCLK
3 CHSYNC (Channel Sync)
6
4 CHCLKEN (Channel Clock Enable)
7
5 Shield
8
6 CHCLK (Channel Clock)
9
7 Ground
8 CHSYNC (Channel Sync)
9 CHCLKEN (Channel Clock Enable)
Active edge
Specifications
demand_clock_enable
CHCLKEN
Data and stream
data_valid
data_clock
DCLK
Figure 1–5: ECL Timing diagram with control port
Stuffing bytes
MTS100 MPEG Test System Service Manual
1–11
Specifications
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
T able 1–7: 50 TTL I/O
Characteristics Performance requirements Supplemental information
Connectors
Rise & Fall Times
Signal swing into 50
БББББББББ
(output)
Digital Format
Maximum Data Rate
Low < 0.3 V
ББББББББББ
High > 2.65 V
Male SMB
Between 2 ns and 6.5 ns
ББББББББББ
Binary , positive logic
45 Mbits/s
Minimum Data Rate 1 Mbit/s
Generation/Acquisition T est
БББББББББ
БББББББББ
Error free
ББББББББББ
ББББББББББ
Tested with a 10 Mbyte file at maximum
ББББББББББ
data rates (within the constraints of the
ББББББББББ
stop/start bits)
Termination
(input)
БББББББББ
Timing Diagram
ББББББББББÁББББББББББ
50 nominal resistive
DA TA signal is stable on the leading edge of
the clock signal (see Figure 1–6)
Clock to Data Timing Data changes within 5 ns of falling clock
edge
Signal Level Amplitude
БББББББББ
(input)
БББББББББ
ББББББББББ
ББББББББББ
ББББББББББ
TTL Low < 0.8 V
ББББББББББ
High > 2.0 V
Clock
Data
Figure 1–6: Timing for the TTL port and the separate clock input
T able 1–8: 10 Mbit serial port (RS-422 levels I/O Port)
Characteristics Performance requirements Supplemental information
Connector
БББББББББ
ББББББББББÁББББББББББ
10 Mbit Serial Voltage Levels
Output Low < 0.5 V
Input Low < –0.5 V differential
9-pin sub-miniature D–type connector (see
Table 1–9)
Differential outputs measured single-ended
High > 2.5 V
High > 0.5 V differential
1–12
MTS100 MPEG Test System Service Manual
T able 1–8: 10 Mbit serial port (RS-422 levels I/O Port) (cont.)
Á
Á
Á
Á
Á
Á
Characteristics Supplemental informationPerformance requirements
Common Mode Range ±5 Volts
10 Mbit Serial Rise and Fall Times
Maximum Data Rate
Between 2 ns and 12 ns
10 Mbit/s
Minimum Data Rate 1 Mbit/s
Clock to Data Timing Data changes within 10 ns of falling clock
edge
Generation/Acquisition T est
ББББББББББ
ББББББББББ
Error free
ББББББББББ
ББББББББББ
Tested with a 10 Mbyte file at maximum
ББББББББББ
data rates (within the constraints of the
ББББББББББ
stop/start bits)
T able 1–9: 10 Mbit serial port pinout
10 Mbit serial port Pin Function
Specifications
1 DA TA IN
2 CLK IN
1
2
2
3
4
5
3 DA TA OUT
6
4 CLK OUT
7
5 Ground
8
6 DA TA IN
9
7 CLK IN
8 DA TA OUT
9 CLK OUT
Asserted Low differential signal.
Clock
Data
Figure 1–7: Timing diagram for the 10 Mbit Serial port
MTS100 MPEG Test System Service Manual
1–13
Specifications
Á
Á
Á
Á
Á
Á
T able 1–10: Clock Port
Characteristics Performance requirements Supplemental information
Clock Port Voltage Levels
БББББББББ
БББББББББ
Termination
Range
ББББББББББ
ББББББББББ
TTL
ББББББББББ
Low < 0.8 V
High > 2.0 V
ББББББББББ
50 , nominally resistive
125 kHz to 45 MHz
T able 1–11: PLL
Characteristics Performance requirements Supplemental information
Range
Resolution
Jitter
Settling Time
Frequency Accuracy
0.2 UI peak-to-peak over a 1000 UI delay
125 kHz to 60 MHz
1 Hz
3 seconds after frequency change
10 ppm ± resolution
1–14
MTS100 MPEG Test System Service Manual
Power Specifications
T able 1–12: Power requirements
Characteristics Performance requirements Supplemental information
Line Voltage 100 to 240 VAC
Line Frequency 60 Hz / 50 Hz
Rated Input Current 6 A to 3 A
Power Consumption (without monitor) 160 Watts nominal
Mechanical (Physical) Characteristics
T able 1–13: MTS100 mechanical characteristics
Characteristics Supplemental information
Specifications
Dimensions Base unit (does not include monitor, keyboard, pedestal, or mouse)
Height 17.92 inches (45.52 cm)
Width 8.83 inches (22.43 cm)
Depth 22.67 inches (57.58 cm)
Net Weight 65 lb (without accessories) (29.54 kg)
Shipping Weight 104 lb (47.17 kg) (with all accessories except monitor; monitor is shipped separately)
Environmental Characteristics
T able 1–14: MTS100 environmental characteristics
Characteristics Supplemental information
Temperature
Non-operating (storage) –20° C (–4° F) to +60° C (140°F) (max. rate of change 20°C or 36°F per hour)
Operating +10° C (50° F) to +35° C (95° F) (max. rate of change 10°C or 18°F per hour)
Altitude
Non-operating 0 to 30,000 feet (9144 meters)
Operating 0 to 10,000 feet (3048 meters)
Humidity
Operating 20% to 80% (max. rate of change 10% per hour)
Non-operating 5% to 90% humidity, non-condensing
MTS100 MPEG Test System Service Manual
1–15
Specifications
Á
Á
T able 1–15: Safety standards
Category Description
U.S. Nationally Recognized Testing
БББББББББ
Laboratory Listing
UL1950 – Safety of Information Technology Equipment, Including Electrical Business
БББББББББББББББББББББ
Equipment
Canadian Certification CAN/CSA C22.2 No. 950 M89 – Safety of Information Technology Equipment, Including
Electrical Business Equipment
European Union Compliance Low Voltage Directive 73/23/EEC; amended by 93/68/EEC:
EN60950 – Safety of Information Technology Equipment, Including Electrical Business
Equipment
Additional Compliance IEC950 – Safety of Information Technology Equipment, Including Electrical Business
Equipment
T able 1–16: Safety certification compliance
Category Description
Temperature (operating)
Altitude (maximum operating) 2000 Meters
Relative Humidity (maximum
operating)
Safety Class Class I – grounded product
+10°C (50° F) to +35°C (95°F)
80% for temperatures up to 31°C (88° F), decreasing linearly to 50% to at 40°C (104° F)
1–16
MTS100 MPEG Test System Service Manual
Specifications
T able 1–17: Certifications and compliances
Category Standard
EC Declaration of Conformity Meets intent of Directive 89/336/EEC for Electromagnetic Compatibility and Low V oltage
Directive 73/23/EEC for Product Safety.
Compliance was demonstrated to the following specifications as listed in the Official Journal of
the European Communities:
EN 50081-1 Emissions:
EN 55022 Class A Radiated and Conducted Emissions
EN 50082-1 Immunity:
IEC 801-2 Electrostatic Discharge Immunity
IEC 801-3 RF Electromagnetic Field Immunity
IEC 801-4 Electrical Fast Transient/Burst Immunity
Conditional Statements:
1) Using the high quality Tektronix shielded cables attached to the ECL Ser/Par
and ECL Control ports that it was qualified with.
2) Using conductive EMI gasketing applied to the chassis top/center at the area of
contact with the top cabinet panel.
Low Voltage directive 73/23/EEC, amended by 93/68/EEC:
EN 60950 Safety of Information T echnology Equipment, Including
Electrical Business Equipment
MTS100 MPEG Test System Service Manual
1–17
Specifications
1–18
MTS100 MPEG Test System Service Manual
Operating Information
Operating Information
This section provides installation instructions and gives a brief overview of how
to operate the MTS100 MPEG Test System. For detailed operating information,
refer to the MTS100 MPEG Test System User Manual provided with the
instrument or software upgrade kit.
Installation
The installation of the MTS100 involves selecting an installation site, installing
the server tower pedestal and door, and connecting all the cabling. Once all items
have been unpacked, the assembly of the individual items making up the system
should only require a few minutes. Save the shipping carton and all inserts for
use if reshipment of the MTS100 server becomes necessary. Refer to the
repackaging instructions beginning on page 6–28 in the Maintenance section of
this manual.
CAUTION. To avoid damage to the MTS100 during shipping, retain the original
shipping carton. Shipping the MTS100 in any other packaging may void the
warranty.
Standard Accessories
Standard accessories are shipped with the test system; all items except the
monitor are in the carton containing the Server. When you unpack the test system
note that the following items are shipped with it:
Tektronix 17 inch monitor and monitor cable (monitor power cord is shipped
in the MTS100 accessories package)
Compaq server with the Data Store board and Data Store disk drives already
installed (referred to as the MTS100 server)
Keyboard
Mouse
Tower pedestal
Server door
Software enable key (HASP) for the parallel port (installed on the server
parallel port)
MTS 100 MPEG Test System User Manual
MTS100 MPEG Test System Service Manual
2–1
Operating Information
Compaq documentation and back-up copies of the Compaq software
Windows NT software (already installed) and documentation package
(backup software is provided in case the loaded version becomes corrupted)
Emergency repair disk (use this disk as described in the Windows NT
System Guide)
MTS100 Installation Software CD ROM (provided for reinstalling the
MTS100 software in case it becomes corrupted)
CD ROM containing the MPEG-2 Elementary Streams for MTS100.
Two power cords (one each for the MTS100 server and the monitor)
Six SMB to BNC adaptors (three with 50 W cables and three with 75 W
cables)
One 9-pin cable (use this cable to meet EMI requirements)
One 25-pin cable (use this cable to meet EMI requirements)
Assembling the MTS100
MPEG Test System
Before you begin to assemble the MTS100, please make sure that you have
selected an appropriate location. A good site, as specified by Compaq, includes
the following features:
A sturdy, level site that includes dedicated and properly grounded circuits,
air conditioning equipment, and static electricity protection
A 3 inch (7.6 cm) clearance at the front and back of the computer for proper
ventilation (You will probably want additional access to the rear panel for
connecting signals.)
A separate electrical circuit for the MTS100
No heavy electrical equipment nearby
Once a good site has been selected, begin assembling the MTS100 MPEG Test
System (shown in Figure 2–1) using the procedure given below.
2–2
MTS100 MPEG Test System Service Manual
Monitor
Keyboard
Operating Information
Server
Hasp
Mouse
Figure 2–1: The MTS100 MPEG Test System
WARNING. Be careful lifting and moving the MTS100 server. It is heavy.
1. Install the pedestal on the MTS100 server.
a. Carefully set the server on its top.
b. Align the post on the pedestal with the slots in the server case.
c. Slide the pedestal into the slots until the retaining clip on the pedestal
snaps into place on the server base.
d. Carefully turn the server over to set it upright on the pedestal.
2. Install the door on the front of the server.
a. Line up the hinge pins of the two hinges on the right side of the server
door with the hinge pin holes in the server chassis.
b. Lower the hinge pins into the hinge pin holes and close the door.
3. Connect the keyboard to the keyboard port on the rear panel of the MTS100
server.
4. Connect the mouse to the mouse port on the rear panel of the MTS100
server.
MTS100 MPEG Test System Service Manual
2–3
Operating Information
5. Verify the software key (HASP) is attached to the parallel port on the rear
panel of the MTS100 server. (It should already be connected as shipped from
the factory.) The rear panel is illustrated in Figure 2–2.
NOTE. If you need to use the parallel port for another function, connect the cable
through the HASP.
6. If the MTS100 is being connected to a network, connect it now. Two types
of ethernet ports are provided: AUI and RJ45, as shown in Figure 2–2. The
ethernet ports do not require termination.
Parallel port
(where HASP
is installed)
Mouse port
Serial ports
Keyboard port
Video
port
SCSI
connector
AUI Ethernet
port
RJ45-Ethernet
port
Figure 2–2: The rear panel of the MTS 100 server
NOTE. Although the MTS100 is based on a standard computer platform, you
should not use the MTS100 for any other purpose, nor should you install
expansion boards other than those provided or recommended by Tektronix.
Doing so may cause your system to operate in an unexpected manner.
2–4
7. Connect the monitor cable between the monitor and the video port on the
MTS100 rear panel.
MTS100 MPEG Test System Service Manual
Operating Information
8. Connect the power cord to the monitor and to a power source.
9. Connect the power cord to the MTS100 server and to an appropriate power
source.
Power Requirements
The MTS100 server and monitor are designed to operate from a single-phase
power source having one of its current-carrying conductors at or near earth
ground (the neutral conductor). Systems that have both current-carrying
conductors live with respect to ground, such as phase-to-phase or multiphase
systems, are not recommenced as power sources. A protective ground connection, by way of the grounding conductor in the power cord is essential for safe
operation.
CAUTION. This equipment is designed for connection to a grounded (earthed) AC
outlet. The grounding plug is an important safety feature. To avoid risk of
electrical shock or damage to your equipment, do not disable this feature.
Mains V oltage Range. The MTS 100 server (the ProLiant 2500) operates from 100
VAC to 230 VAC power mains; it is not necessary to set a voltage selection
switch or jumper.
The monitor operates on either 115 VAC or 230 VAC source also without having
to set a voltage selection switch.
Mains Frequency . Both the server and the monitor operate at either 50 or 60 Hz
line frequencies.
CAUTION. To prevent damage to the MTS100 server, you should protect the
instrument from power fluctuations and temporary interruptions with a
regulating uninterruptable power supply (UPS). This device protects the
hardware from damage caused by power surges and voltage spikes. In addition,
it keeps the system in operation during a power failure.
Power Cord Options
Parallel Port
MTS100 MPEG Test System Service Manual
The server and monitor are delivered from the factory with power cords for
North American 60 Hz/117 VAC power supplies, unless purchased with a power
cord option. Table 7–1 in the Options section of this manual shows the available
power cord options.
The software enable key (HASP) must be installed on the parallel port; the
MTS100 software does not operate without it.
2–5
Operating Information
HASP. The software is enabled by a software enable key which is referred to as a
HASP (see Figure 2–3). The HASP is installed on the parallel port during
manufacture and is transparent to parallel port applications, such as connection to
a printer. The HASP must be in place on the ProLiant parallel port for the
MTS100 to operate. Do not lose the HASP. The software enabler (HASP) should
remain with the MTS100 at all times. If the entire instrument is returned for
service, ship the HASP with the server.
CAUTION. Do not lose the HASP (software enable key). The MTS100 will not
operate unless the HASP is installed on the parallel port. The HASP is also
required by the Tektronix Service Center if the ProLiant server must be returned
for repair.
Figure 2–3: MTS100 HASP
Cabling the Test System Inputs/Outputs
The MTS100 is supplied with adapters for connecting the Data Store system
SMB connectors to standard BNC connectors. It may be necessary to acquire or
assemble other connecting cables and adapters in order to install the MTS100 in
your facility.
The test system interfaces place restrictions on the types of cables that can be
used for signal input and output. See Table 2–1 to select the type and length of
cable that will interface with the test system.
Cables and Mating
Connectors
The maximum usable cable length for the various ports is a function of data rate,
cable type, and ambient environment. Low data rates tolerate longer cable
lengths than the higher data rates. Low-loss coaxial cable and low-capacitance
properly pair-twisted cable can support longer transmission than miniature
coaxial cable or ribbon cable. Excess RF noise can induce noise in the cable
which will also reduce the usable length.
2–6
MTS100 MPEG Test System Service Manual
Operating Information
The only ports designed as a transmission system are the G.703 I/Os. The other
ports are basically short-range interconnects. Note that cable delay matching is
critical for most ports in order to maintain clock-to-data timing margin, which
protects data integrity.
T able 2–1: Cable selection criteria
Adapters
Rate,
Port
G.703 8.448 275 meters Belden 8281 4 dB atten at 4.224 MHz
G.703 34.368 125 meters Belden 8281 4 dB atten at 17.18 MHz
10 MBit
(RS422)
10 MBit
(RS422)
TTL 10 50 meters RG58 type Calculated Value
TTL 50 25 meters RG58 type Calculated Value
ECL
Parallel
ECL Serial 45 5 meters Belden 8112 Calculated Value
Mbits/s
1 100 meters 24 AWG
10 15 meters 24 AWG
1 50 meters Belden 8112 Calculated Value
Maximum
length
Cable type Comments
Ref. ANSI/TIA/
unshielded
twisted pair
unshielded
twisted pair
EIA-422-B-1994
Ref. ANSI/TIA/
EIA-422-B-1994
The MTS100 Test System comes with six SMB-to-BNC adapter cables. Three of
the adapters are 75 W to match the impedance of the G.703 inputs and outputs.
The other three adapters are 50 W for use with the Clock input and the TTL serial
port (Clock and Data). The cables are marked with their impedance.
NOTE. Do not leave an SMB-to-BNC adapter cable on an unused G.703 output.
Doing so can cause the test system to exceed EMC emission standards.
Transport Stream I/O
The test system rear panel connectors are located in two EISA slots on the server
rear panel, as shown in Figure 2–4. I/O port voltage levels, bit rates, return loss,
and other I/O data are listed in the Specifications section of this manual.
MTS100 MPEG Test System Service Manual
2–7
Operating Information
ECL parallel/serial
I/O port
TTL 50 serial
port (Clk I/O)
TTL 50 serial
port (Data I/O)
External clock
input (Clk In)
10 Mbit serial
port (RS-422
levels I/O port)
G.703 input
G.703 output
(34.368 Mbits/s)
G.703 output
(8.448 Mbits/s)
ECL Control Port
ECL control port
Figure 2–4: The MTS100 MPEG Test System signal I/O
The bidirectional differential control port adds flexibility to the ECL Parallel and
Serial Ports. Adding the three control signals provides two more operating
modes. (Using this port is optional.) The ECL control port pinout is shown in
Table 2–2.
2–8
MTS100 MPEG Test System Service Manual
T able 2–2: ECL control port pinout
ECL control port Pin Function
1 CHCLK (Channel Clock)
2 Ground
1
2
2
3
4
5
Asserted Low differential signal.
3 CHSYNC (Channel Sync)
6
4 CHCLKEN (Channel Clock Enable)
7
5 Shield
8
6 CHCLK (Channel Clock)
9
7 Ground
8 CHSYNC (Channel Sync)
9 CHCLKEN (Channel Clock Enable)
Operating Information
ECL Parallel/Serial I/O Port
The ECL Parallel/Serial I/O port receives and transmits MPEG-2 transport
streams at ECL levels. It is a differential, bidirectional port that operates
independently or in conjunction with the ECL Control Port. The port transmits
or receives either parallel or serial data depending on settings made in the Data
Store Administrator application.
Operating Modes. When the ECL Parallel/Serial I/O port is used independently of
the ECL Control Port there are three operating modes:
Slave acquisition. Captures input signals using the clock signal on the ECL
Parallel/Serial I/O port as the timing source.
Master generation. Outputs signals using the MTS100 internal clock.
Master generation with external clock. Outputs signals using a timing signal
applied to the external clock input (Clk In).
When the ECL Parallel/Serial I/O port is used in conjunction with the control
port, there are three additional operating modes:
Master acquisition. Captures input signals using control signals from the
ECL Control Port to drive the signal source.
Master acquisition with external clock. As above, but uses a timing signal
applied to the external clock input (Clk In) as the clock source.
Slave generation. Outputs signals using the ECL control port inputs as the
timing source.
MTS100 MPEG Test System Service Manual
2–9
Operating Information
NOTE. Master — The unit provides the clock for data transmission.
Slave — The unit does not generate the data clock. The unit returns the clock
provided by an external source.
Parallel Pinout. The parallel data pinout of the ECL Parallel/Serial I/O port is
shown in Table 2–3.
T able 2–3: ECL parallel data pinout
ECL parallel port Pin Function Pin Function
1 DCLK 14 DCLK
1
2
3
4
5
6
7
8
9
10
11
12
13
2 ground 15 ground
14
3 DA TA 7 16 DATA 7
15
4 DA TA 6 17 DATA 6
16
17
5 DA TA 5 18 DATA 5
18
6 DA TA 4 19 DATA 4
19
7 DA TA 3 20 DATA 3
20
8 DA TA 2 21 DATA 2
21
21
9 DA TA 1 22 DATA 1
22
23
10 DAT A 0 23 DATA 0
24
11 DVALID 24 DVALID
25
12 PSYNC 25 PSYNC
13 shield
2–10
Asserted Low differential signal.
Serial Pinout. The serial data pinout of the ECL Parallel/Serial I/O port is shown
in Table 2–4.
MTS100 MPEG Test System Service Manual
T able 2–4: ECL serial data pinout
ECL serial port Pin Function
1 DCLK
1
2
3
4
5
6
7
8
9
10
11
12
13
2 ground
14
3 - 9 Not Managed
15
10 DATA 0
16
17
11 DVALID
18
12 PSYNC
19
13 shield
20
14 DCLK
21
21
15 ground
22
23
16 – 22 Not Managed
24
23 DATA 0
25
24 DVALID
25 PSYNC
Operating Information
G.703 Interface
Asserted Low differential signal.
This serial interface complies with the electrical characteristics of ITU-T
Recommendation G.703 (HDB3 code) for 8.448 and 34.368 Mbit/s. It consists
of three Data Store circuit board mounted SMB connectors.
G.703 Output (8.448 Mbit/s and 34.368 Mbit/s) & G.703 Input. One of the SMB
connectors is a dedicated input for both bit rates. The two remaining connectors
are dedicated outputs, one for the 34.368 Mbit/s output and the second for the
8.448 Mbit/s output. See Figure 2–4 on page 2–8. To reduce spurious emissions, only the output currently being used should be connected.
This interface can use any one of three operating modes:
The generation mode uses an internal clock source.
The acquisition mode locks to the incoming signal and provides self
clocking (frequency must be specified) and acquires packets in pattern
synchronization mode.
The acquisition mode locks to the incoming signal and provides self
clocking (frequency must be specified) without synchronization.
NOTE. Do not leave an SMB-to-BNC adaptor cable on an unused G.703 output.
It will cause the test system to exceed EMC emission standards.
MTS100 MPEG Test System Service Manual
2–11
Operating Information
10 Mbit Serial Port
(RS-422 Levels I/O Port)
The 10 Mbit Serial port can transmit and receive MPEG transport signals. It has
bidirectional clocks and data pairs. The maximum operating frequency is
10 Mbit/sec. It uses RS-422 voltage levels, with line-to-line input termination of
110 W. The pinout is shown in Table 2–5.
T able 2–5: 10 Mbit serial port pinout
10 Mbit serial port Pin Function
1 DA TA IN
2 CLK IN
1
2
2
3
4
5
Asserted Low differential signal.
3 DA TA OUT
6
4 CLK OUT
7
5 ground
8
6 DA TA IN
9
7 CLK IN
8 DA TA OUT
9 CLK OUT
The 10 Mbit Serial port uses the following signals:
Clock Input
Data In and Data Out. These are MPEG serial bit streams.
Clock In and Clock Out. These are continuous data transmission clocks.
You can choose from the following three modes of operation:
Acquisition. Captures an input signal using external timing reference.
Internal generation. Generates an output signal using the MTS100 internal
clock as the timing reference.
External generation. Generates an output signal using the Clock input as the
timing reference.
The Clk In connector provides optional timing input for the ECL Serial, ECL
Parallel, TTL and 10 Mbit Serial outputs. Its maximum operating frequency is
45 MHz.
2–12
MTS100 MPEG Test System Service Manual
Operating Information
TTL 50 Serial Port
(Data & Clock I/O)
The TTL 50 W Serial Port receives and transmits at TTL levels. It consists of
clock and data inputs with dedicated connectors. The Data signal is a serial bit
stream, and the Clock signal is a continuous data transmission clock. The
maximum operating frequency is 45 Mbits/s.
There are three modes of operation:
Acquire. Captures an input signal.
Internal Generation. Generates a signal that is locked to the internal clock.
External Generation. Generates a signal locked to an external reference (the
Clock Input).
MTS100 MPEG Test System Service Manual
2–13
Operating Information
Operating Information
This information takes you through power up, log in, and to the point where you
select an application. Specific information about using the applications is
contained in the MTS100 MPEG Test System User Manual.
Power Up
Once you have installed the MTS100 MPEG Test System, it is ready to operate.
Turn on the power switch located on the front of the MTS100 server. Slide the
power switch cover plate to the right as shown in Figure 2–5 and press in the
power switch. Whenever you power on the MTS100, it goes through the
Windows NT initialization process. During normal start up, do not press F10 for
the system partition utilities or press the spacebar to invoke the last known good
menu (For more information on the Windows NT initialization process, please
see the Windows NT documentation). When initialization is finished, press
CTRL
+ ALT + DELETE, as prompted in the Begin Logon message box. This displays the
login dialog box.
Slide power switch
cover plate
Power switch
2–14
Log In
Figure 2–5: Turning on the MTS100 MPEG Test System
When servicing the MTS100, log in as administrator and enter the password
MPEG2; for normal operation, log in as MTS100. No password is required for
the user MTS100. If you are not allowed to log on, someone may have changed
MTS100 MPEG Test System Service Manual
Operating Information
the password. When servicing the test system always log in as an administrator,
which has extra privileges. You are required to use this log in when performing
any software upgrades.
Operators should always log in as user MTS100. This log in does not require a
password; press return when the password is requested. This type of login is
limited and does not allow full access of servicing.
There are two other types of users. The first is guest and requires no password. A
guest has only limited access to files and applications. The second is admin-tek-
service. This log in provides full administrative privileges to Tektronix service
personnel for instrument repair. It has a secret password that cannot be changed
by the user.
CAUTION. The “administrator” user has all the privileges of an administrator. If
you are connected to a network, you may have more privileges than you realize
within the network. If the Test System is connected to a network, it is recommended that you do not perform normal operations while logged in as administrator.
The MTS100 Submenu
You can change the administrator password or establish a password for user or
guest. You can not change the password for the “admin-tek-service.” If you
change any of the passwords, be sure to create a new emergency repair disk,
which allows you to reinstall the data base that contains the user, guest, and
administrator passwords.
Once you have correctly completed the log in you have access to the Tektronix
MTS100 submenu, as shown in Figure 2–6.
Figure 2–6: The T ektronix MTS100 submenu (V2.0 shown)
MTS100 MPEG Test System Service Manual
2–15
Operating Information
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
TheMTS100 applications are outlined in Table 2–6. Refer to the MTS100 MPEG
Test System User Manual for additional information.
T able 2–6: MTS100 applications
Icon Application Name Function
Analyzer
(MPEG2 System Analyzer application)
БББББББББ
Data Store Control
(Data Store Administrator)
БББББББББ
DVB Channel Coding and Decoding
БББББББББ
(Coder/Decoder application)
Multiplexer
БББББББББ
(MPEG2 Transport Multiplex Generator)
БББББББББ
Packet Jitter
БББББББББ
Table Editor
(Edit Table application)
БББББББББ
Set Carb (visible as a menu item and
Analyze transport stream files and packetized elementary streams.
ББББББББББ
Manage the Data Store Disks. It also
controls acquisition and generation of
ББББББББББ
MPEG-2 transport streams.
Code and decode transport stream files to
ББББББББББ
DVB specifications.
Create transport stream files from PSI and
ББББББББББ
SI table files, elementary stream files, and
data files.
ББББББББББ
Add jitter to the PCR data in the transport
stream file.
ББББББББББ
Create and edit PMT, NIT, SDT, BAT, and
EIT files.
ББББББББББ
Set parameters of the Data Store system.
icon in version 2.1 only)
Error Injector (version 2.1 only) Insert or correct errors in transport stream
packets.
Running the Software
Software Repair
2–16
To start an application, select it from the MTS100 submenu or double-click its
icon in the MTS100 program group.
NOTE. Except for the Data Store Control application, the HASP must be
installed for the applications to operate.
If you cannot get the software to run, one or more program files may be
corrupted. A full set of software is shipped with each MTS100 Test System. You
can reload all the software, including the Windows NT operating system, if
necessary. Refer to Appendix A (for instruments running software version 2.0) or
Appendix B (for instruments running version 2.1) for more information.
MTS100 MPEG Test System Service Manual
Theory of Operation
Theory of Operation
The Tektronix MTS100 MPEG Test System consists of Data Store circuitry that
is added to a computer platform. The computer portion of the system is referred
to as the server. The Data Store circuit board is installed in the server EISA card
cage. It talks to the server over the EISA bus. See Figure 3–1. The application
software that runs on the Windows NT operating system is resident on the server
system hard disk.
Server
CD-ROM
System hard
disk
Floppy disk
drive
Keyboard
and mouse
interface
Server
SVGA
monitor
interface
Data Store
Data store -
disk 1
Data store -
disk 2
Data store -
disk 3
Data store -
disk 4
SCSI bus
SCSI bus
SCSI bus
SCSI bus
SCSI
controller 1
SCSI
controller 2
SCSI
controller 3
SCSI
controller 4
Figure 3–1: Test System block diagram
EISA bus
Data store
circuit board
TTL data (50)
TTL clock (50)
ECL parallel and serial
ECL control
G.703 (8.448 Mbits/s)
G.703 (34.368 Mbits/s)
G.703 Input
10 MHz serial
Clock input
MTS100 MPEG Test System Service Manual
3–1
Theory of Operation
External I/O
The Data Store circuit board, the four SCSI Controller circuit boards, and the
four added hard disk drives are the heart of the test system. The system can
acquire and generate transport streams of up to the size of the total Data Store
disk drive storage in length without looping.
The mouse and keyboard provide user control of the system. The mouse
interface uses the standard Windows “point and click.” The graphical user
interface (GUI) displays Windows NT compliant icons, menus, and drop-down
lists on an SVGA monitor.
There are four separate transport stream I/Os in this Test System:
The G.703 serial interface acquires and generates MPEG transport streams
that comply with the ITU-T G.703 standard.
The 10 Mbit/s serial interface is a differential I/O that incorporates both data
and clock. It operates at RS-422 voltage levels.
G.703
10 Mbit Serial Port
The TTL interface is a bidirectional serial interface that uses a continuous
data transmission clock.
The ECL parallel/serial port provides a differential, bidirectional interface for
100k ECL transport streams. The separate control port can be used to control
this parallel/serial port to provide additional operating modes.
The G.703 serial interface consists of a single input to and two outputs from the
Data Store circuit board. The input port accepts ITU-T Recommendation G.703
(HDB code) 8.448 Mbits/s and 34.368 Mbits/s streams and operates in the
unframed mode.
The two G.703 outputs provide 8.448 Mbit/s and 34.368 Mbit/s transport
streams. These output streams use the internal crystal controlled clock for their
timing reference.
The 10 Mbit serial port inputs and outputs both differential data and a differential
clock. The port has separate pins for incoming data and outgoing data. Input
lines are terminated 110 W line-to-line. Output lines should be terminated at the
far end. This port can use either the internal clock or an external clock as its
timing reference.
3–2
MTS100 MPEG Test System Service Manual
Theory of Operation
TTL 50 Serial Port
ECL Parallel and Serial
Port
The TTL 50 W serial port consists of a serial data line and a continuous data
transmission clock. Its maximum operating rate is 45 Mbits/s. The port acquires
a transport stream using the transmission clock as its timing reference. The
output transport stream can be locked to either the internal phase locked loop or
an external clock to provide the timing reference. The enhanced output drives a
50 W grounded load.
A single connector supports both parallel and serial differential I/O functions.
The operating levels for both parallel and serial interfaces are 100k ECL. All
input lines are terminated 110 W line-to-line. The ports are bidirectional and can
use either the internal phase locked loop or an external clock as a timing
reference.
Serial data rates to 55 MBits/s are possible using the internal PLL. Parallel data
rates are limited to the maximum serial rate divided by eight (7.5 MBytes/s).
A separate control port can be used to provide additional slave generation and
master acquisition data transfer modes. When using the control port, hand-shaking signals from the master system control the data transfer. This means the
direction of signal flow from the control port is opposite the data transfer
direction. For example, in the master acquisition operating mode the master
system sends the control signals and receives the data. The slave system receives
the control signals and sends the data.
Data Store
Data Store Circuit Board
The Data Store circuitry controls the acquisition, storage, and output of the data
that makes up the MPEG transport stream. It outputs test signals that can be used
to evaluate downstream circuits. The Data Store system consists of the Data
Store circuit board, four SCSI Controller boards, and four Data Store disk drives.
The Data Store circuit board controls the acquisition, storage, and output of
transport stream data. The board contains a 16 MHz central processing unit
(CPU) and an 8-bit common bus with a 16 Mbyte/s transfer rate. Communication
between the server and the Data Store circuit board occurs over the EISA bus.
Data transfers from the server to the Data Store Disks use a 32-bit direct memory
access (DMA) with a read/write enable to the Data Store CPU.
The Data Store circuit board generates several clocks for synchronization. A
phase lock loop synthesizer locks to either internal or external clocks to produce
clock signals ranging from 1 MHz to 60 MHz. Two crystal oscillators provide
internal clocks at the 8.448 MHz and 34.368 MHz G.703 bit rates.
MTS100 MPEG Test System Service Manual
3–3
Theory of Operation
SCSI Controllers
Data Store Disk Drives
There are four SCSI Controller boards mounted on the Data Store circuit board.
The SCSI Controller boards provide the interface between the Data Control
board and the Data Store Disks. Each SCSI Controller board has 512 Kbytes of
random access memory (RAM) buffer to support transfers between the Data
Control board and one of the four Data Store Disks.
The four hard disk drives, numbered 1 through 4, are located in the server drive
bay. The drives share a common power supply from the server mainframe. Each
drive connects directly to a SCSI Controller board through a dedicated SCSI bus
cable.
3–4
MTS100 MPEG Test System Service Manual
Performance Verification
Performance Verification
This section contains procedures for verifying that the instrument meets the
performance requirements listed in the Specifications section.
It is common for MTS100 MPEG Test System operators to use only one or two
of the I/O ports. To reduce the test time, you can verify only the I/O ports that
are used by the system operators. Refer to the Procedure Structure section on
page 4–5 for information about running tests for specific I/O ports.
If the instrument is not able to pass these tests, refer to the Maintenance section
for troubleshooting procedures.
NOTE. To perform the procedures in this section, you must have a basic
understanding of the Windows NT operating system and the MTS100 Data Store
Control application. For detailed operating instructions, refer to the Windows NT manuals and the MTS100 MPEG Test System User manual.
Test Interval
Perform the procedure once every 2000 hours of operation or every 12 months to
ensure that the performance is within tolerance.
Incoming Inspection Test
The MTS100 MPEG Test System User Manual contains a functional check that
you can perform to verify that the instrument is operational.
Prerequisites
The tests in this section comprise an extensive, valid confirmation of performance and functionality when the following performance conditions have been
met:
The instrument must be in an environment with temperature, altitude,
The instrument must have had a warm-up period of at least 20 minutes.
humidity, and vibration within the operating limits described in the
Specifications section.
MTS100 MPEG Test System Service Manual
4–1
Performance Verification
Equipment Required
Table 4–1 lists the test equipment required for the Performance Verification
procedure. The table identifies examples and minimum tolerances where
applicable. If you substitute other equipment for the examples listed in
Table 4–1, the equipment must meet or exceed the tolerances.
T able 4–1: Required equipment list
T est equipment
MTS100 Service Data
Files disk
T est Oscilloscope Bandwidth DC to 500 MHz Tektronix TDS540A with
50 SMB to BNC
Adapter cables (4 required)
75 SMB to BNC
Adapter cables (4 required)
50 BNC to BNC
Cable (1 required)
50 BNC Adapter
(2 required)
50 Feed-through
Terminator (2 required)
75 Feed-through
Terminator
Frequency counter Accuracy and resolution to 8 decimal
Minimum requirements
Contains files to perform the test
procedures
Female-to-female connectors Tektronix part number
places, or used with an external
reference (WWV, Loran C, or GPS)
that will improve the accuracy to 8
decimal places. 1 MHz to 60 MHZ
range.
Example
Tektronix part number
063-2578-00
10X voltage probes
Tektronix part number
174-3578-00 (shipped as
a standard accessory)
Tektronix part number
174-3579-00 (shipped as
a standard accessory)
Tektronix part number
012-0057-01
103-0028-00
Tektronix part number
01 1-0049-01
Tektronix part number
01 1-0103-02
Tektronix
CDC250 Counter
4–2
MTS100 MPEG Test
System
Pulse Generator 5 MHz, 0-3 V amplitude output T egam PG502
10 MHz Signal
Interconnect Fixture
Interconnecting Cable for
ECL Data Port
Interconnecting Cable for
ECL Control Port
Used to test data transfer T ektronix MTS100
Male-to-male adapter , 9 pins, use with
Tektronix part number 174-3603-00
25-pins, female-to-female connectors Tektronix part number
9-pins, female-to-female connectors T ektronix part number
A user built test fixture
(see Figure 4–18)
174-3562-00
174-3603-00
MTS100 MPEG Test System Service Manual
Performance Verification
Test Record
Use this form to record the results of the Performance Verification procedure for
the MTS100 MPEG Test System.
Serial number Procedure performed by Date
Performance verification step Requirement Test result
Internal Clock Test
1 MHz clock 999,990 Hz to 1,000,010 Hz
8.448 MHz clock 8,447,915 Hz to 8,448,085 Hz
24.9 MHz clock 24,899,751 Hz to 24,900,249 Hz
25.1 MHz clock 25,099,749 Hz to 25,100,251 Hz
34.368 MHz clock 34,367,312 Hz to 34,368,688 Hz
45 MHz clock (B020000 and above) 44,999,555 Hz to 45,000,450 Hz
G.703 I/O Port Tests
8 Mbits/s pulse mark voltage +2.13 V to +2.60 V and
8 Mbits/s No-pulse space voltage 0 V ±0.237 V
8 Mbits/s master generation Error free transfer
34 Mbits/s pulse mark voltage +0.9 V to +1.1 V and
34 Mbits/s No-pulse space voltage 0 V ±0.1 V
34 Mbits/s master generation Error free transfer
TTL 50 Port Tests
Clock pulse amplitude <0.3 V and
Data I/O amplitude <0.3 V and
High speed clock slave acquisition and
master generation
Low speed clock slave acquisition and
master generation
–2.13 V to –2.60 V
–0.9 V to –1.1 V
>2.65 V
>2.65 V
Error free transfer
Error free transfer
External clock generation Error free transfer
10 Mbits/s (RS-422) Port Tests
High speed clock slave acquisition and
master generation
MTS100 MPEG Test System Service Manual
Error free transfer
4–3
Performance Verification
Performance verification step Test resultRequirement
Low speed clock slave acquisition and
master generation
External clock generation Error free transfer
ECL Parallel Port Tests
Slave acquisition and master generation Error free transfer
External clock generation Error free transfer
Master acquisition and slave generation Error free transfer
ECL Serial Port Tests
Slave acquisition and master generation Error free transfer
External clock generation Error free transfer
Master acquisition and slave generation Error free transfer
Error free transfer
4–4
MTS100 MPEG Test System Service Manual
Procedure Structure
Performance Verification
The Performance Verification procedure is structured so that you can test one I/O
port or the entire instrument. Before performing any tests you must turn the
instrument on, log in, and load the service data files (if they are not already
loaded on your Test System). After the instrument warm up time, perform the
Internal Clock test, beginning on page 4–8. Then refer to Table 4–2 and
perform the individual I/O port tests as desired.
T able 4–2: The I/O port tests
Test name Begins on
G.703 I/O Port Tests page 4–10
TTL 50 Port Tests page 4–24
10 Mbits/s (RS-422) Port Tests page 4–36
ECL Parallel Port Tests page 4–46
ECL Serial Port Tests page 4–56
Turn On/Log In Procedure
This is the turn-on and log in procedure for the Performance Verification
procedure. It is the starting point for all of the other procedures.
1. Connect the MTS100 MPEG Test System power cord to an appropriate
2. Turn on the power switch located on the front of the Server. Initialization
3. When initialization is complete, press
4. Log in as “administrator” and use the password . (If you cannot log in
power source.
takes between one and two minutes. It is not necessary to press shift to
“invoke the Hardware Profile/Last Known Good menu” during normal
startup.
CTRL + ALT + DELETE, as instructed by
the message box.
someone may have changed the password.)
MTS100 MPEG Test System Service Manual
4–5
Performance Verification
5. Once you have correctly completed the log in, you can start the individual
MTS100 applications through the Tektronix MTS100 V2.0 submenu, shown
in Figure 4–1.
Figure 4–1: The Tektronix MTS100 V2.0 submenu
Loading Data Files from the MTS100 Service Data Files disk
The MTS100 Service Data Files disk is shipped as a standard accessory with this
manual. The disk contains the following files required for the Performance
Verification procedures:
File Name Purpose
11meg.ver Data file for test procedures
tr1 1meg.ver Data file for test procedures
NOTE. The data order (LSB or MSB first) for the serial ports must match for
both MTS100 MPEG Test Systems used during the Performance Verification
procedure. Be sure to set the data order to the same setting for both systems.
Systems with serial numbers between B010100 and B019999 always use the LSB
first data order.
Before performing the tests in this section you must install the service data files
on drive C on both MTS100 systems (the device under test and the test system).
One of the service data files, 11meg.ver, must be transferred to the CARB (Data
Store) disk on both systems. Use the following procedures to install the files
onto drive C and to transfer the files to the CARB disk.
4–6
MTS100 MPEG Test System Service Manual
Performance Verification
Copying the Data Files
onto Drive C
Transferring Files to the
CARB Disk
Install the MTS100 Service Data Files disk contents onto drive C of both test
systems with the following procedure:
NOTE. You will need 20 MBytes of disk space on yourMTS100 system disk to
install the Service Data Files.
1. Insert the MTS100 Service Data Files disk into drive A of one test system.
2. Select Command Prompt from the Programs submenu (of the Start menu) to
open a Command Prompt window.
3. In the Command Prompt window, enter cd\temp to change to the TEMP
directory.
4. Type a:\service. The install program on the MTS100 Service Data Files
disk copies and expands the service data files into the TEMP directory.
5. Eject the disk from drive A.
6. Repeat steps 1 through 5 for the second test system.
Transfer the files to the CARB disk on both test systems using the following
procedure:
1. Start the MTS100 Data Store Control application.
2. Under the File menu, select PC File Write to CARB. The File Write to
CARB dialog box appears on the screen.
3. Click the Browse button and select C:\temp\11meg.ver from the File Name
list.
4. Click OK to select the file for transfer. The File Write to CARB dialog box
returns to the screen.
5. Verify that the 11meg.ver file name appears in the Name of the CARB file
box.
6. Click Start to begin the file transfer.
MTS100 MPEG Test System Service Manual
4–7
Performance Verification
Internal Clock Test
This section tests the internal clock frequency accuracy at frequencies that verify
the performance of the phase locked loop (PLL), the 8.448 MHz clock, and the
34.368 MHz clock.
1. Connect the equipment as shown in Figure 4–2.
MTS100 (rear panel)
Clock I/O TTL
50 serial port
Frequency
counter
Input
50 SMB-to-BNC
adapter cable
50 feed-through
terminator
Figure 4–2: Setup for measuring internal clock output accuracy
2. Choose Data Store Control from the Tektronix MTS100 V2.x submenu (of
the Start menu) to start the Data Store administrator application.
3. Click the G (generator) command button to display the GENERATION
dialog box.
4–8
MTS100 MPEG Test System Service Manual
Performance Verification
4. Enter the following parameters in the GENERATION dialog box:
Parameter Setting
CARB File Any file in the list
Protocol Master
Port TTL
Output Clock PLL (see note below)
Frequency 1,000,000 Hz
Loop On (X)
NOTE. When testing the 8.448 MHz and 34.368 MHz clock rates, set the Output
Clock value to 8.448 MHz and 34.368 MHz, respectively. When testing these
clock frequencies you do not need to enter the clock rate.
5. Click Start and wait five seconds.
6. Trigger the frequency counter for a stable display.
7. Verify that the frequency display is within the limits shown in Table 4–3.
T able 4–3: Internal clock accuracy limits
Clock Rate Minimum Frequency Maximum Frequency
1 MHz 999,990 Hz 1,000,010 Hz
8.448 MHz 8,447,915 Hz 8,448,085 Hz
24.9 MHz clock 24,899,751 Hz 24,900,249 Hz
25.1 MHz clock 25,099,749 Hz 25,100,251 Hz
34.368 MHz 34,367,312 Hz 34,368,688 Hz
45 MHz clock 44,999,550 Hz 45,000,450 Hz
8. Click the hand (stop) command button and then the G (Generator) icon so
you can enter a new clock rate.
9. Repeat steps 4 through 8 for each clock rate shown in Table 4–3. Verify that
the frequency display is within the limits shown for each clock rate.
MTS100 MPEG Test System Service Manual
4–9
Performance Verification
G.703 I/O Port Tests
This section contains 8 Mbits/s and 34 Mbits/s G.703 I/O port tests for pulse
mark amplitude and no pulse space voltage, slave acquisition, and master
generation.
NOTE. The data order (LSB or MSB first) for the serial ports must match for
both MTS100 MPEG Test Systems used during the Performance Verification
procedure. Be sure to set the data order to the same setting for both systems.
Systems with serial numbers between B010100 and B019999 always use the LSB
first data order.
8 Mbits/s Pulse Mark
Amplitude and
No-Pulse Space Voltage
This procedure verifies the following parameters:
Pulse mark amplitude (+2.13 V to +2.60 V and –2.13 V to –2.60 V)
No-pulse space voltage (0 V 0.237 V)
1. Connect the equipment as shown in Figure 4–3.
2. If necessary, start the MTS100 Data Store Control application.
3. Click the G (generator) command button to display the GENERATION
dialog box.
4. Enter the following parameters in the GENERATION dialog box:
Parameter Setting
CARB File Any file in the list
Protocol Master
Port G.703
Output Clock 8.448 Mbits
Loop On (X)
4–10
5. Click Start and wait 5 seconds.
MTS100 MPEG Test System Service Manual
MTS100 (rear panel)
Performance Verification
Pulse mark
amplitude
G.703
8M output
Pulse mark
amplitude
Test oscilloscope
Ch 1 input
75 SMB-to-BNC adapter cable
No pulse
space
amplitude
75 feed-through
terminator
Figure 4–3: Setup for measuring 8.448 Mbits/s signal parameters
6. Trigger the oscilloscope to obtain a stable display as shown in Figure 4–3.
7. Verify the pulse mark amplitude is within +2.13 V to +2.60 V (positive
pulse) and –2.13 V to –2.60 V (negative pulse), and the no-pulse space
voltage is 0 V 0.237 V.
MTS100 MPEG Test System Service Manual
4–11
Performance Verification
G.703 - 8 Mbits/s Slave
Acquisition and Master
Generation
This test requires a second MTS100 MPEG Test System that is designated as the
“test system.” Within this procedure the MTS100 MPEG Test System you are
testing is designated the “Device Under Test” (DUT).
The requirement is error-free file transfer between the test system and the DUT.
1. Connect the equipment as shown in Figure 4–4.
MTS100 DUT
(rear panel)
75
SMB-to-BNC
adapter cable
BNC female to
female adapter
G.703
input
75
SMB-to-BNC
adapter cable
G.703
8M output
MTS100 test system
(rear panel)
4–12
Figure 4–4: Setup for testing G.703 8.448 Mbits/s slave acquisition
2. On the DUT, click the Data Store Administrator hand (stop) command
button.
3. Click the A (acquisition) command button to display the ACQUISITION
dialog box.
4. Enter the following parameters in the ACQUISITION dialog box:
Parameter Setting
CARB File Any (8mbit1.tst, for example)
Protocol Slave
File Size 10,000,000
Port G.703
MTS100 MPEG Test System Service Manual
Performance Verification
Parameter Setting
Internal Clock 8.448 MHz
Synchronization Pattern
5. Click Start to begin the DUT acquisition.
6. At the test system, start or switch to the Data Store Control application, if
necessary.
7. Click the G (generator) command button on the test system to display the
GENERATION dialog box.
8. Enter the following parameters in the GENERATION dialog box:
Parameter Setting
CARB File 11meg.ver
Protocol Master
Port G.703
Output Clock 8.448 MHz
Loop Off (No X)
9. Click Start to begin test system generation and wait for the transfer to
complete.
10. Save the acquired test file to the DUT C drive as follows:
a. On the DUT, click the R (CARB file read to PC) command button.
b. From the Name of the CARB file list, select <filename>, where
<filename> is the name you entered in step 4 (such as 8mbit1.tst).
c. Enter the following name for the PC file:
C:\temp\<filename>
where <filename> is the name you entered in step b (such as 8mbit1.tst).
d. Click Start to save the file to the hard disk.
11. On the DUT, use the Windows NT Command Prompt to perform a file
comparison as follows:
a. Start or switch to the Windows NT Command Prompt application
(Figure 4–5).
MTS100 MPEG Test System Service Manual
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Performance Verification
b. Enter the following command at the command prompt:
fc/b C:\temp\tr11meg.ver C:\temp\<file name>
where <filename> is the name you entered in step 4 (such as 8mbit1.tst).
c. Press
ENTER to begin the file comparison.
12. Check the Command Prompt window for the comparison results
(Figure 4–5). If no differences are detected, the test passes.
Figure 4–5: Example file comparison results
13. Reconnect the equipment as shown in Figure 4–6.
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MTS100 MPEG Test System Service Manual
Performance Verification
MTS100 DUT
(rear panel)
75
SMB-to-BNC
adapter cable
BNC female to
female adapter
G.703
8M output
75
SMB-to-BNC
adapter cable
G.703
input
MTS100 test system
(rear panel)
Figure 4–6: Setup for testing G.703 8.448 Mbits/s master generation
14. In the test system Data Store Administrator window, click the A (acquisition) command button to display the ACQUISITION dialog box.
15. Enter the following parameters in the ACQUISITION dialog box:
Parameter Setting
CARB File Any (8mbit2.tst, for example)
Protocol Slave
File Size 10,000,000
Port G.703
Internal Clock 8.448 MHz
Synchronization Pattern
16. Click Start to begin the test system acquisition.
17. On the DUT, switch to the Data Store Administrator window and click the G
(generator) command button to display the GENERATION dialog box.
18. Enter the following parameters in the GENERATION dialog box:
MTS100 MPEG Test System Service Manual
4–15
Performance Verification
Parameter Setting
CARB File 11meg.ver (from pull down list)
Protocol Master
Port G.703
Output Clock 8.448 MHz
Loop Off (No X)
19. Click Start to begin DUT generation; wait for the transfer to complete.
20. Save the acquired test file to the test system C drive as follows:
a. On the test system, click the R (CARB file read to PC) command button.
b. From the Name of the CARB file list, select <filename>, where
<filename> is the name you entered in step 15 (such as 8mbit2.tst).
c. Enter the following name for the PC file:
C:\temp\<filename>
where <filename> is the name you entered in step b (such as 8mbit2.tst).
d. Click Start to save the file to the hard disk.
21. On the test system, use the Windows NT Command Prompt to perform a file
compare as follows:
a. Start or switch to the Windows NT Command Prompt application
(Figure 4–7).
b. In the Command Prompt window, enter the following command:
fc/b C:\temp\tr11meg.ver C:\temp\<file name>
where <filename> is the name you entered in step 15 (such as
8mbit2.tst).
c. Press
ENTER to begin the file comparison.
22. Check the Command Prompt window for the comparison results (Figure 4–7). If no differences are detected, the test passes.
4–16
MTS100 MPEG Test System Service Manual
Figure 4–7: Example file comparison results
Performance Verification
34 Mbits/s Pulse Mark
Amplitude and No Pulse
Space Voltage
This procedure verifies the following parameters:
Pulse mark amplitude (+1 V 0.1 V)
No-pulse space voltage (0 V 0.1 V)
1. Connect the equipment as shown in Figure 4–8.
2. Click the G (generator) command button in the Data Store Administrator
window to display the GENERATION dialog box.
MTS100 MPEG Test System Service Manual
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Performance Verification
G.703
34M output
MTS100 (rear panel)
Pulse mark
amplitude
Pulse mark
amplitude
No pulse
space
amplitude
Test oscilloscope
Ch 1 input
75 SMB-to-BNC adapter cable
75 feed-through
terminator
Figure 4–8: Setup for measuring 34Mbits/s signal parameters
3. Enter the following parameters in the GENERATION dialog box:
Parameter Setting
CARB File Any file in the list
Protocol Master
Port G.703
Output Clock 34.368 MHz
Loop On (X)
4. Click Start and wait 5 seconds.
5. Trigger the oscilloscope to obtain a stable display as shown in Figure 4–8.
6. Verify the pulse mark amplitude is +1 V 0.1 V and the no-pulse space
voltage is 0 V 0.1 V.
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MTS100 MPEG Test System Service Manual
Performance Verification
G.703 34 Mbits/s Slave
Acquisition and Master
Generation
This test requires a second MTS100 MPEG Test System that is designated as the
“test system.” Within this procedure the MTS100 you are testing is designated
the “Device Under Test” (DUT).
The requirement is error-free file transfer between the test system and the DUT.
1. Connect the equipment as shown in Figure 4–9.
MTS100 DUT
(rear panel)
75
SMB-to-BNC
adapter cable
BNC female to
female adapter
G.703
input
75
SMB-to-BNC
adapter cable
G.703
34M output
MTS100 test system
(rear panel)
Figure 4–9: Setup for testing G.703 34.368 Mbits/s slave acquisition
2. In the DUT Data Store Administrator window, click the hand (stop)
command button and the A (acquisition) command button to display the
ACQUISITION dialog box.
3. Enter the following parameters in the ACQUISITION dialog box:
Parameter Setting
CARB File Any (34mbit1.tst, for example)
Protocol Slave
File Size 10,000,000
Port G.703
MTS100 MPEG Test System Service Manual
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Performance Verification
Parameter Setting
Internal Clock 34.368 MHz
Synchronization Pattern
4. Click Start to begin the DUT acquisition.
5. At the test system, start or switch to the Data Store Control application, if
necessary.
6. In the test system Data Store Administrator window, click the G (generator)
command button to display the GENERATION dialog box.
7. Enter the following parameters in the GENERATION dialog box:
Parameter Setting
CARB File 11meg.ver
Protocol Master
Port G.703
Output Clock 34.368 MHz
Loop Off (No X)
8. Click Start to begin the test system generation and wait for the transfer to
complete.
9. Save the acquired test file to the DUT C drive as follows:
a. On the DUT, click the R (CARB file read to PC) command button.
b. From the Name of the CARB file list, select <filename>, where
<filename> is the name you entered in step 4 (such as 34mbit1.tst).
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MTS100 MPEG Test System Service Manual
Performance Verification
c. Enter the following name for the PC file:
C:\temp\<filename>
where <filename> is the name you entered in step b (such as
34mbit1.tst).
d. Click Start to save the file to the hard disk.
10. On the DUT, use the Windows NT Command Prompt to perform a file
comparison as follows:
a. Start or switch to the Windows NT Command Prompt application
(Figure 4–10).
b. In the Command Prompt window, enter the following command:
fc/b C:\temp\tr11meg.ver C:\temp\<file name>
where <filename> is the name you entered in step 4 (such as
34mbit1.tst).
c. Press
ENTER to begin the file comparison.
11. Check the Command Prompt window for the comparison results (Fig-
ure 4–10). If no differences are detected, the test passes.
Figure 4–10: Example results
12. Reconnect the equipment as shown in Figure 4–11.
MTS100 MPEG Test System Service Manual
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Performance Verification
MTS100 DUT
(rear panel)
75
SMB-to-BNC
adapter cable
BNC female to
female adapter
G.703
34M output
75
SMB-to-BNC
adapter cable
G.703
input
MTS100 test system
(rear panel)
Figure 4–11: Setup for testing G.703 34.368 Mbits/s master generation
13. In the test system Data Store Administrator window, click the A (acquisition) command button to display the ACQUISITION dialog box.
14. Enter the following parameters in the ACQUISITION dialog box:
Parameter Setting
CARB File Any (34mbit2.tst, for example)
Protocol Slave
File Size 10,000,000
Port G.703
Internal Clock 34.368 MHz
Synchronization Pattern
15. Click Start to begin the test system acquisition.
16. On the DUT, switch to the Data Store Control application.
17. In the DUT Data Store Administrator window, click the G (generator)
command button to display the GENERATION dialog box.
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MTS100 MPEG Test System Service Manual
Performance Verification
18. Enter the following parameters in the GENERATION dialog box:
Parameter Setting
CARB File 11meg.ver
Protocol Master
Port G.703
Output Clock 34.368 MHz
Loop Off (No X)
19. Click Start to begin DUT generation and wait for the transfer to complete.
20. Save the acquired test file to the test system C drive as follows:
a. On the test system, click the R (CARB file read to PC) command button.
b. From the Name of the CARB file list, select <filename>, where
<filename> is the name you entered in step 14 (such as 34mbit2.tst).
c. Enter the following name for the PC file:
C:\temp\<filename>
where <filename> is the name you entered in step b (such as
34mbit2.tst).
d. Click Start to save the file to the hard disk.
21. On the test system, use the Windows NT Command Prompt to perform a file
compare as follows:
a. Switch to the Command Prompt application.
b. In the Command Prompt window, enter the following command:
fc/b C:\temp\tr11meg.ver C:\temp\<file name>
where <filename> is the name you entered in step 14 (such as
34mbit2.tst).
c. Press
ENTER to begin the file comparison.
22. Check the Command Prompt window for the comparison results. If no
differences are detected, the test passes.
MTS100 MPEG Test System Service Manual
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Performance Verification
TTL 50 Ohm Port Tests
This section contains 50 W TTL I/O tests for clock pulse amplitude, high speed
clock slave acquisition and master generation, low speed clock slave acquisition
and master generation, and generation using an external clock.
NOTE. The data order (LSB or MSB first) for the serial ports must match for
both MTS100 MPEG Test Systems used during the Performance Verification
procedure. Be sure to set the data order to the same setting for both systems.
Systems with serial numbers between B010100 and B019999 always use the LSB
first data order.
TTL 50 Ohm Serial Port
Clock Pulse Amplitude
This procedure checks the following clock signal parameters:
TTL low is <0.3 V
TTL high is >2.65 V
1. Connect the equipment as shown in Figure 4–12.
MTS100 (rear panel)
Clock I/O TTL
50 serial port
Test oscilloscope
Amplitude
4–24
Ch 1 input
50 SMB-to-BNC adapter cable
Figure 4–12: Setup for measuring TTL 50 ohm clock pulse amplitude
MTS100 MPEG Test System Service Manual
50 feed-through
terminator
Performance Verification
2. Start the Data Store Control application, if necessary.
Choose Data Store Control from the Tektronix MTS100 V2.0 submenu
(of the Start menu).
3. In the Data Store Administrator window, click the G (generator) command
button.
4. Enter the following parameters in the GENERATION dialog box:
Parameter Setting
CARB File Any file in the list
Protocol Master
Port TTL
Output Clock PLL
Rate 1,000,000 Hz
Loop On (X)
TTL 50 Ohm Serial Port
High Speed Clock Slave
Acquisition and Master
Generation
5. Click Start and wait 5 seconds.
6. Trigger the oscilloscope to obtain a stable display as shown in Figure 4–12.
7. Verify the positive peak is >2.65 V and the negative peak is <0.3 V.
This test requires a second MTS100 MPEG Test System that is designated as the
“test system.” Within this procedure the MTS100 MPEG Test System you are
testing is designated the “Device Under Test” (DUT).
The requirement is error-free file transfer between two MTS100 MPEG Test
Systems.
1. Connect the equipment as shown in Figure 4–13.
MTS100 MPEG Test System Service Manual
4–25
Performance Verification
MTS100 DUT
(rear panel)
75
SMB-to-BNC
adapter cables
BNC female to
female adapters
TTL 50
clock I/O
TTL 50
data I/O
75
SMB-to-BNC
adapter cables
TTL 50
clock I/O
TTL 50
data I/O
MTS100 test system
(rear panel)
Figure 4–13: TTL 50 ohm slave acquisition and master generation setup
2. Click the A (acquisition) command button in the DUT Data Store Adminis-
trator window to display the ACQUISITION dialog box.
3. Enter the following parameters in the ACQUISITION dialog box:
Parameter Setting
CARB File Any (TTL1.tst, for example)
Protocol Slave
File Size 10,000,000
Port TTL
Synchronization Pattern
4. Click Start to begin DUT acquisition.
5. On the test system, start or switch to the Data Store Control application, if
necessary.
6. Click the G (generator) command button in the test system Data Store
Administrator window to display the GENERATION dialog box.
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MTS100 MPEG Test System Service Manual
Performance Verification
7. Enter the following parameters in the GENERATION dialog box:
Parameter Setting
CARB File 11meg.ver
Protocol Master
Port TTL
Output Clock PLL
Frequency 45 MBit/s
Loop Off (No X)
8. Click Start to begin test system generation.
9. When the transfer is complete, save the acquired test file to the DUT C drive
as follows:
a. On the DUT, click the R (CARB file read to PC) command button.
b. From the Name of the CARB file list, select <filename>, where
<filename> is the name you entered in step 4 (such as TTL1.tst).
c. Enter the following name for the PC file:
C:\temp\<filename>
where <filename> is the name you entered in step b (such as TTL1.tst).
d. Click Start to save the file to the hard disk.
10. On the DUT, use the Windows NT Command Prompt to perform a file
comparison as follows:
a. Start or switch to the Command Prompt application (Figure 4–10).
b. In the Command Prompt window, enter the following command:
fc/b C:\temp\tr11meg.ver C:\temp\<file name>
where <filename> is the name you entered in step 4 (such as TTL1.tst).
c. Press
ENTER to begin the file comparison.
11. Check the Command Prompt window for the comparison results (Figure 4–10). If no differences are detected, the test passes.
MTS100 MPEG Test System Service Manual
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Performance Verification
Figure 4–14: Example high speed slave acquisition file comparison results
12. In the test system Data Store Administrator window, click the A (acquisi-
tion) command button to display the ACQUISITION dialog box.
13. Enter the following parameters in the ACQUISITION dialog box:
Parameter Setting
CARB File Any (TTL2.tst, for example)
Protocol Slave
File Size 10,000,000
Port TTL
Synchronization Pattern
14. Click Start to begin test system acquisition.
15. On the DUT, switch to the Data Store Control application.
16. Click the G (generator) command button in the DUT Data Store Administra-
tor window to display the GENERATION dialog box.
17. Enter the following parameters in the GENERATION dialog box:
Parameter Setting
CARB File 11meg.ver
Protocol Master
Port TTL
Output Clock PLL
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MTS100 MPEG Test System Service Manual
Performance Verification
Parameter Setting
Frequency 45 MBit/s
Loop Off (No X)
18. Click Start to begin DUT generation; wait for the transfer to complete.
19. Save the acquired test file to the test system C drive as follows:
a. On the test system, click the R (CARB file read to PC) command button.
b. From the Name of the CARB file list, select <filename>, where
<filename> is the name you entered in step 13 (such as TTL2.tst).
c. Enter the following name for the PC file:
C:\temp\<filename>
where <filename> is the name you entered in step b (such as TTL2.tst).
TTL 50 Serial Port Low
Speed Clock Slave
Acquisition and Master
Generation
d. Click Start to save the file to the hard disk.
20. On the test system, use the Windows NT Command Prompt to perform a file
comparison as follows:
a. Start or switch to the Command Prompt application.
b. In the test system Command Prompt window, enter the following
command:
fc/b C:\temp\tr11meg.ver C:\temp\<file name>
where <filename> is the name you entered in step 13 (such as TTL2.tst).
c. Press
ENTER to begin the file comparison.
21. Check the Command Prompt window for the comparison results. If no
differences are detected, the test passes.
This test requires a second MTS100 MPEG Test System that is designated as the
“test system.” Within this procedure the MTS100 MPEG Test System you are
testing is designated the “Device Under Test” (DUT).
The requirement is error-free file transfer between two MTS100 MPEG Test
Systems.
1. Connect the equipment as shown in Figure 4–13 (on page 4–26).
2. In the DUT Data Store Administrator window, click the A (acquisition)
command button to display the ACQUISITION dialog box.
MTS100 MPEG Test System Service Manual
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Performance Verification
3. Enter the following parameters in the ACQUISITION dialog box:
Parameter Setting
CARB File Any (TTL3.tst, for example)
Protocol Slave
File Size 10,000,000
Port TTL
Synchronization Pattern
4. Click Start to begin the DUT acquisition.
5. On the test system, switch to the Data Store Control application.
6. In the test system Data Store Administrator window, click the G (generator)
command button to display the GENERATION dialog box.
7. Enter the following parameters in the GENERATION dialog box:
Parameter Setting
CARB File 11meg.ver
Protocol Master
Port TTL
Output Clock PLL
Frequency 1 MBit/s
Loop Off (No X)
8. Click Start to begin test system generation.
9. When the file transfer is complete, save the acquired test file to the DUT C
drive as follows:
a. On the DUT, click the R (CARB file read to PC) command button.
b. From the Name of the CARB file list, select <filename>, where
<filename> is the name you entered in step 3 (such as TTL3.tst).
c. Enter the following name for the PC file:
C:\temp\<filename>
4–30
where <filename> is the name you entered in step b (such as TTL3.tst).
d. Click Start to save the file to the hard disk.
MTS100 MPEG Test System Service Manual
Performance Verification
10. On the DUT, use the Windows NT Command Prompt to perform a file
comparison as follows:
a. Switch to the Command Prompt application.
b. In the Command Prompt window, enter the following command:
fc/b C:\temp\tr11meg.ver C:\temp\<file name>
where <filename> is the name you entered in step 3 (such as TTL3.tst).
c. Press
ENTER to begin the file comparison.
11. Check the Command Prompt window for the comparison results. If no
differences are detected, the test passes.
12. In the test system Data Store Administrator window, click the A (acquisition) command button to display the ACQUISITION dialog box.
13. Enter the following parameters in the ACQUISITION dialog box:
Parameter Setting
CARB File Any (TTL4.tst, for example)
Protocol Slave
File Size 10,000,000
Port TTL
Synchronization Pattern
14. Click Start to begin test system acquisition.
15. On the DUT, switch to the Data Store Control application.
16. In the DUT Data Store Administrator window, Click the G (generator)
command button to display the GENERATION dialog box.
17. Enter the following parameters in the GENERATION dialog box:
Parameter Setting
CARB File 11meg.ver
Protocol Master
Port TTL
Output Clock PLL
Frequency 1 MBit/s
Loop Off (No X)
MTS100 MPEG Test System Service Manual
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Performance Verification
18. Click Start to begin the DUT generation and wait for the transfer to
complete.
19. Save the acquired test file to the test system C drive as follows:
a. On the test system, click the R (Board to PC) command button.
b. From the Name of the CARB file list, select <filename>, where
<filename> is the name you entered in step 13 (such as TTL4.tst).
c. Enter the following name for the PC file:
C:\temp\<filename>
where <filename> is the name you entered in step b (such as TTL4.tst).
d. Click Start to save the file to the hard disk.
20. On the test system, use the Windows NT Command Prompt to perform a file
comparison as follows:
a. Switch to the Command Prompt application (Figure 4–15).
b. In the Command Prompt window, enter the following command:
fc/b C:\temp\tr11meg.ver C:\temp\<file name>
where <filename> is the name you entered in step 13 (such as TTL4.tst).
c. Press
ENTER to begin the file comparison.
21. Check the Command Prompt window for the comparison results (Figure 4–15). If no differences are detected, the test passes.
4–32
Figure 4–15: Example Command Prompt comparison results
MTS100 MPEG Test System Service Manual
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