What to do if there is return path ingress in Acterna Measuring Instruments?
- RRyan AndersonAug 3, 2025
To address return path ingress, use PathTrak mode (OPT3) or Noise mode.
What to do if there is return path ingress in Acterna Measuring Instruments?
To address return path ingress, use PathTrak mode (OPT3) or Noise mode.
How to check ingress using Acterna Measuring Instruments?
To check ingress, use Spectrum mode.
What to do if signal levels are unbalanced in Acterna Measuring Instruments?
If the signal levels are unbalanced, use reverse alignment techniques.
How to troubleshoot modem channel high BER on Acterna Measuring Instruments?
To troubleshoot modem channel high BER, use Zero Span mode.
Brand | Acterna |
---|---|
Model | SDA-5000 |
Category | Measuring Instruments |
Language | English |
Description of the SDA-5000 as a powerful multipurpose troubleshooting assistant for CATV test.
Details on measuring frequency response of cable networks using forward, reverse, and other sweep modes.
Features of the advanced spectrum analysis capability for troubleshooting cable networks.
Guide to accessing and adjusting configuration options via the CONFIGURE menu.
Setting channel plan parameters like video signal type, tuning sequence, and editing plans.
Accounting for system levels and test point losses for accurate measurements.
Configuration details for sweeping, including controls and indicators for efficiency.
Detailed explanation of sweeping the reverse path with specific operational steps.
Discussion of common issues like noise accumulation and diverse ingress sources in reverse path.
Explanation of CPD as intermodulation distortion and its common causes.
Using Zero Span on a spectrum analyzer for TDMA signal analysis.
Measuring signal levels in Level, Tilt, and Scan modes for channel analysis.
Measuring carrier-to-noise (C/N) ratios for accurate system performance assessment.
Measuring Composite Second Order (CSO) and Composite Triple Beat (CTB) distortions.
Displays a single frequency over time, showing amplitude and allowing signal analysis.
Using Local and Remote traces to compare spectrum data from different locations.
Analogous to S/N or C/N, measures signal power relative to total signal degradation.
Spectrum view of ingress noise, CSO/CTB, and other impairments under the digital signal.
Visualizing signal quality via constellation patterns to identify and troubleshoot impairments.
Corrects reflections and frequency tilt, indicating reflection strength and equalizer effort.
Recording location-specific data for Auto Test reports, including creating and selecting locations.
Step-by-step guide to configuring and executing an Auto Test.
Viewing and printing Auto Test results, including interval data and Pass/Fail summaries.
Procedures for storing measurements made with various modes as files.
Selecting, storing, and deleting sweep reference files for improved accuracy.
Keys used to choose appropriate measurement modes like Level, Tilt, Scan, Sweep.
Setup modes for the SDA-5500/5510: Global, Measurements, Channel Plan, Sweep, PathTrak, Diagnostics.
Setting nine or ten channel plan configuration options for the system.
Selecting and adjusting sweep parameters for the SDA-5500.
Selecting and adjusting reverse sweep parameters for the SDA-5510.
Measuring C/N ratio of tuned channel or frequency using DSP technique.
Viewing the system spectrum with variable spans and dynamic range.
Connecting SDA-5500, setting levels/telemetry, creating channel plan, conducting sweep.
Setting sweep levels relative to video carriers and forward telemetry signals.
Configuring forward telemetry signal frequency and level for the SDA-5500.
Building a channel plan to designate active, scrambled, and inactive channels.
Step-by-step guide to building a new channel plan using default settings.
Modifying channel parameters like enabled status, type, and frequency.
Tips for debugging transmitter setup and connection before proceeding to the field.
Operation of the SDA-5500/5510 reverse sweep option, including setup and procedures.
Aligning amplifiers for reverse path by measuring response at the headend.
Connecting the SDA-5500/5510 for reverse sweep in single cable and dual cable networks.
Step-by-step process to create a new reverse sweep channel plan.
Tips for debugging transmitter setup and connection for reverse sweep.
Aligning amplifiers for reverse path by measuring response at the headend.
Step-by-step headend setup for forward sweep, including wiring and level settings.
Procedure for building a forward channel plan using the Tx or StealthWare.
Identification and solutions for common issues like standing waves, spikes, and no communication.
Step-by-step headend setup for reverse sweep, including wiring and plan creation.
Setting up reverse sweep parameters on SDA-5500 or SDA-5510.
Determining reverse capability and balancing forward path before proceeding with reverse.
Common issues encountered during return sweep and their troubleshooting.
Specifications for frequency range, display span, scale, and sweep rates.
Specifications for spans, sweep rates, display scaling, dwell, and dynamic range.
Specifications for video BW, resolution BW, measurement BW compensation, and sweep times.