TAILIEUCHUNG - Carrier-Class CATV Networks Maintaining Signal Connectivity During Configuration Changes and Maintenance

Today’s cable systems serve up more than just television. Because community antenna television (CATV) systems now incorporate high-speed data and telephony services, signal flow is critical for multiple systems operators (MSOs) and their customers. Signal levels and network configurations must evolve to meet the new service demands of transitioning headends. The impending challenge for MSOs is to effectively manage their networks amid change and maintain maximum uptime for subscribers. | Carrier-Class CATV Networks Maintaining Signal Connectivity During Configuration Changes and Maintenance Carrier-Class CATV Networks Maintaining Signal Connectivity During Configuration Changes and Maintenance Today s cable systems serve up more than just television. Because community antenna television CATV systems now incorporate high-speed data and telephony services signal flow is critical for multiple systems operators MSOs and their customers. Signal levels and network configurations must evolve to meet the new service demands of transitioning headends. The impending challenge for MSOs is to effectively manage their networks amid change and maintain maximum uptime for subscribers. Abstract The efficient management of radio frequency RF signal splitting and combining has proven vital to the advancement of today s cable networks. CATV RF signal management has slowly evolved from a restrictive wall-mounted environment with limited access to cables and modules to a modular rack-mounted hitless environment with built-in default attenuation values to ensure continuous signal transmission for subscribers. It has helped MSOs transition their networks to accommodate the new demands and requirements of high-speed data and telephony services. Hitless technology allows operators to adjust signal levels to accommodate fluctuating take-rates easily without interrupting service. Hitless technology is the prevailing advancement driving continued success for MSOs in the telephony and high-speed data market. Background Early CATV systems consisted of television signals combined at the headend and delivered to subscribers via a coaxial cable network. Signals were transmitted from the headend to the subscriber and provided entertainment and information only vital lifeline telephony or data services were not offered. The assurance of uninterrupted service was a distant priority. Repairs replacements and upgrades were performed at the convenience of the operator. System outages .

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