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CPE Trouble shooting

Making the connection to improve system performance. CPE Trouble shooting. A little background. February 10, 2009 DVAC Chapter. Skip Palinkas Product Development, PPC. Challenges for Operators. DOCSIS 3.0 implementation Upstream 32 and 64 QAM Increased high definition programming

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CPE Trouble shooting

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  1. Making the connection to improve system performance CPE Trouble shooting A little background February 10, 2009 DVAC Chapter Skip Palinkas Product Development, PPC December 2008

  2. Challenges for Operators • DOCSIS 3.0 implementation • Upstream 32 and 64 QAM • Increased high definition programming • Not as forgiving as Standard Definition • Is the number one quality complaint fromsubscribers • Reduced service calls and repeats • Keeping ahead of the competition • Oh Yea, reduce cost and improve performance Achieving these and other goals will rely on correcting a not so new issue. February 2009

  3. Loose F Connectors • Approximately 35% of all installed connectors are loose • Volume used has increased dramatically • The average home has 40-50 F connectors inside and only 3-6 outside. • How many of these connections are loose? • 35% average for inside and outside. • Do all loose connectors create a problem? • Maybe not today • Loose F connectors are a primary source of ingress and egress. • A closer look at the problem February 2009

  4. A Closer look at the problem December 2008

  5. Loose Fitting Issues • Service calls attributed to loose fittings • Digital Video Pixilation • Caused by downstream ingress • Can affect some or all QAM’s • Affects HD more than SD • Digital Phone quality • Audio distortions or dropped calls • Caused by Upstream ingress • High Speed Data • Slow speeds • Modem drops off line • Caused by Upstream ingress December 2008

  6. Egress Issues December 2008

  7. DTV Interference • Terrestrial digital TV is creating new issues. • 95% of digital broadcasts are in the UHF spectrum. • Interference from 1 UHF channel affects 2 QAM channels. UHF 32 33 34 35 36 37 WPSG WYBE 576-582 582-588 588-594 594-600 600-606 606-612 EIA 83 84 85 86 87 88 576-582 582-588 588-594 594-600 600-606 606-612 December 2008

  8. Corrective Measures • Measurement techniques • Always verify upstream ingress • Use leakage detection • Reinforce SOP • Ensure all connections are tight every time, all the time • Identify and report trouble calls generated by loose connections December 2008

  9. Final Comments and thoughts • Industry will continue to launch higher modulation. • Success will depend on plant integrity. • All connections must be tight. • The F connector was designed in the late 60’s. • While the attachment to the cable has improved, the port interface has changed very little • Was use intended for general public? • Is it realistic to believe all connections can be made tight? December 2008

  10. Skip PalinkasProduct Development ManagerSpalinka@ppc-online.com315 431 7313 Questions???????? February 2009

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