E6D303: E6000 CER RF Impairments (Release 5.0)

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This course presents the typical RF impairments that are experienced in a CATV network, which are noise, distortion and power issues. The course examines these impairments and how they are reported and measured in the E6000 CER and presents mitigation considerations. This course is based exclusively on DOCSIS issues.

Please note: This course is part of an E6000 Advanced Troubleshooting Suite. This robust program equips operators and technicians to address the real-world challenges that come with operating the E6000 CER in today’s network. The suite consists of four web-based courses followed by a Capstone instructor-led course that has intensive hands-on troubleshooting labs. 

The complete E6000 Advanced Troubleshooting Suite consists of:

  • E6D301: E6000 CER Cable Modem Registration (online, self-paced)
  • E6D302: E6000 CER Theft of Service Prevention (online, self-paced)
  • E6D303: E6000 CER RF Impairments (online, self-paced)
  • E6D304: E6000 CER Capacity and Bandwidth (online, self-paced)
  • E6D305: Advanced Troubleshooting Capstone per student (instructor-led lab)

(Note: Separate registration is required for each course.)

This course also prepares you for CERT410: E6000 CER Foundation certification.

Course Topics

  • RF Impairment introduction
  • Noise issues
  • Cable Modem Power issues
  • RF Impairment Ratios
  • Reducing Impairment issues


Understanding of DOCSIS and prior attendance in an E6000 CER Operations Instructor-Led course




90-120 minutes