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Acterna SDA-5510 Analyzer
Digital Analyzer


The Stealth Digital Analyzer (SDA) cable network measurement tools test a wide range of critical parameters, helping you prove and maintain your system’s performance. Advanced features include tools to support preventative maintenance programs for improving network quality. Applications include aligning amplifiers such as optical nodes, testing the performance of both forward and reverse path networks, finding and fixing sources of reverse path ingress, measuring signal quality (both continuous and bursty digital carriers), and fulfilling FCC and CENELEC proof-of-performance requirements. You can perform comprehensive troubleshooting and preventative maintenance tests with accuracy and ease using Acterna’s SDA products: • Quickly check frequency response, signal levels, hum, carrier-to-noise (C/N) ratio, depth of modulation, and monitor the general performance of the cable system • Perform tests without interfering with CATV subscribers' service • Evaluate system performance precisely and diagnose and eliminate problems quickly to maintain quality operation of your CATV system equipment. Acterna’s Stealth Sweep System consists of at least two major components: a headend transmitter and a field receiver. SDA-5510 Stealth Reverse Sweep Manager The SDA-5510 is a standard 19" rack mount unit weighing approximately fifteen pounds. Its 320 X 240 dot matrix LCD shows measurement data in both graphical and numerical form. It is a full-featured signal analysis meter, with a complete spectrum display and an analog representation of single channel measurement data. When it’s tuned to a specific channel, comprehensive information is provided: • tuned channel • video frequency and level • audio frequency and level • differences between video and audio carrier levels. The SDA-5510 handles the reverse sweep job for up to 10 technicians. By adding the SDA-5510 to the Sweep System, you take responsibility for single-user reverse sweep away from the SDA-5500, This speeds the reverse sweep rate and increases the forward sweep speed. In addition, the SDA-5510 sends out reverse ingress/noise information with every update of its forward telemetry, so reverse telemetry need not be received to check the reverse ingress condition. Reverse Sweep Alignment Reverse sweep alignment provides an optimum view of the frequency response in the unoccupied reverse spectrum, leaving nothing to chance. A reverse sweep can uncover mismatch problems that reveal themselves as standing waves or as diplex filter roll-offs that can severely hamper the carriage of services in the reverse band. Ingress Detection and Troubleshooting The SDA-5510 provides feedback to the field about the current condition of noise and ingress in the headend. Even if the noise or ingress is swamping the telemetry, a picture of the headend noise/ingress is sent out for display to the receiver via a special forward telemetry carrier. Easy To Read Noise/Ingress Display The headend instrument continuously displays the noise/ingress performance of connected nodes, providing a quick, easy way for you to verify performance. In addition, the current reverse testing activity can be monitored. The SDA-5510 also performs essential cable TV system preventive maintenance tests with accuracy and ease. Reverse signal levels, hum, C/N, and frequency response can be quickly tested without subscriber interference.

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User Manual
Manual type:
User Manual
9.25 Mbytes (9694422 Bytes)
01 May 2001
Electronic document, no scan, very well readable.
Upload date:
16 August 2018


ABOUT THE MANUAL Section I Introduction Chapter 1 introduces you to the new SDA family of CATV test equipment. In this chapter, you learn about the features and capabilities of the SDA field and headend units, and about the various options available. Section II Field Units Chapter 2, "Description and Basic Operation," describes the SDA-5000’s user Interface and its basic modes of operation. You also learn basic configuration procedures and what you need to print files and screen shots. Chapter 3, "Channel Plans," shows you how to configure your unit’s channel plan capability, edit channel plan parameters, create, copy and edit channel plans, and how to configure a digital carrier. Chapter 4, "Field Sweeping with the SDA-5000 " begins with coverage of test point compensation and how to configure your SDA-5000, Sweep configuration is covered in detail, after which you learn how to connect to Amplifier test points and how to conduct forward, reverse, sweepless, and loopback sweeps. This chapter also describes reverse amplifier alignment. Chapter 5, "Reverse Path Troubleshooting," describes the problems most common to the return path, offers tips to help you more quickly trace the trouble, and shows you how to use the Zero Span mode to look at TDMA signals. Chapter 6, "Measuring System Performance," explains how to evaluate system performance by measuring key parameters. Operations covered include Level, Tilt, Scan, Carrier-to-Noise ratio (C/N), Hum, Modulation-Demodulation, Composite Second Order (CSO) and Composite Triple Beat (CTB). Chapter 7, "Spectrum Analyzer Mode," describes the SDA-5000’s spectrum analysis capabilities and how it can assist you in general troubleshooting and in examining TDMA signals with the Zero Span mode. CSO/CTB mode is covered as well. Chapter 8, "PathTrak Field View (OPT3)," shows you how to use PathTrak mode for return path troubleshooting by comparing spectrum measurements at the node with current conditions at the headend. Chapter 9, "Digital Analysis (QAM View OPT4)," explains how to use the new QAM digital channel tool. You’ll learn to measure the most critical characteristics of a digital channel, and how to use a spectrum view of ingress. You’ll also learn how to use the constellation view to assist you in your troubleshooting efforts and how to use the equalizer to correct the effects of reflections in the transmission path. Chapter 10, "Automatic Test," explains how to perform automatic system tests, an easy way to acquire proof-of-performance compliance data. You learn how to create test locations and how to edit location parameters, as well as how to set testing schedules and how to view and print test reports. Chapter 11, "Files," describes how to store, view, or print files created from field measurement data. Sweep reference files and measurement files are covered, along with the procedure for comparing a reference file with a "live" sweep in the field. Chapter 12, "Maintenance," covers the routine maintenance tasks that a service technician can perform in the field. Inspection, connector replacement, battery terminal cleaning, general cleaning, and calibration are all covered. The chapter ends with a list of Acterna service centers worldwide. Section III Headend Units Chapter 13, "Description and Basic Operation of the SDA-5500 and SDA-5510 " describes the user Interface and basic modes of operation for the SDA headend units /SDA-5500 and SDA-5510). You also learn basic configuration procedures and what you need to print files and screen shots. Chapter 14, "SDA-5500 SDA-5510/Sweep Configuration," shows you how to configure the SDA-5500 for forward sweep and for reverse sweep. It covers wiring connections, telemetry and frequency settings, channel plan creation and editing, and how to test the transmitter setup. You’ll also find important information about using the SDA-5500 and SDA-5510 together. In addition, this chapter includes a section on sweep history and theory that will deepen your understanding of what sweeping is and how it works. Section IV Appendices Appendix A, "Application Notes," contains the full text of four application notes that help to clarify many of the issues covered in other chapters in the manual. The four application notes are: "Forward Sweep and Balance," "Reverse Sweep and Balance," "Return Path Troubleshooting," and "Proofing and Testing." Appendix B, "Specifications," lists the technical specifications for each unit. Appendix C, "Status Indicators and Icons," provides a descriptive list of indicators and icons that you’ll find on the SDA’s screens and used throughout the manual. Appendix D, "User and Error Messages," describes many of the messages that appear on-screen indicating a problem in operation or a malfunctioning unit. The Glossary defines many of the terms used throughout the manual.

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