Broadband HFC Network Testing and Measurements

Course Overview

The NCTI® Broadband HFC Testing and Measurements course gives the advanced student a comprehensive understanding of system testing theory and application. The course concentrates on using and selecting proper test equipment and applications necessary for testing and complying with FCC and NCTA testing requirements and recommendations. It provides details on the test equipment and procedures necessary to perform testing and maintenance for new fiber-optic cable links, troubleshooting service outages, and restoring fiber-optic links to their original performance specifications. The student is exposed to the proper use, theory of operation, applications, and measurement procedures for test equipment used in the network from the customer premises to the headend. The materials provided are also appropriate as a reference tool for those needing to understand testing procedures and terminology.

The estimated completion time for this course is 36 hours. The maximum allotted time is four months from enrollment.
perform broadband cable AC/DC voltage and resistance measurements using a DMM

use an SLM to troubleshoot a drop installation

interpret measured digital modulation channel parameters to determine if, and what, corrective action needs to be taken

list and describe measuring and controlling signal leakage

use a TDR to locate coaxial cable impedance mismatches and to confirm and identify unauthorized drop cable connections

comply with FCC Technical Standards and NCTA Recommended Practices for audio carrier center frequency separation and video carrier level measurements

measure chrominance to luminance gain and phase, differential gain and differential phase distortions

measure visual signal-to-coherent beats, test terminal isolation, and measure hum in compliance with FCC Technical Standards and NCTA Recommended Practices

set proper sweep and telemetry injection levels and realize the importance of two telemetry paths

interpret digital measurements with a digital signal analyzer to evaluate digital signal quality

Describe the optical test equipment and light sources for measuring and detecting optical power and signal loss in optical fiber networks.

Describe the optical time domain reflectometer types and their features.

Explain how to prepare, program, and perform tests with the optical time domain reflectometer.

Explain the various tests and measurements for validating an optical link's performance, quality, and compliance.
receive an industry recognized NCTI certificate of graduation

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