EN 60728-7-2:2005

Cable networks for television signals, sound signals and interactive services - Part 7-2: Hybrid Fibre Coax Outside Plant Status Monitoring - Media access Control (MAC) Layer Specification

Specifies requirements for The Hybrid Fibre Coax (HFC) Outside Plant (OSP) Media Access Control (MAC) Layer. This standard is part of the series developed to support the design and implementation of interoperable management systems for evolving HFC cable networks. The HMS Media Access Control (MAC) layer specification describes the messaging and protocols implemented at the Data Link Layer (DLL), layer 2 in the 7 layer ISO-OSI reference model, that support reliable and efficient communications between HMS compliant transponders interfacing to managed OSP network elements (NEs) and a centralized head-end element (HE).

Kabelnetze für Fernsehsignale, Tonsignale und interaktive Dienste - Teil 7-2: Zustandsüberwachung Hybrid-Faser-Koax-Netze (HFC) - Festlegung Steuerungsschicht für Mediumzugriff (MAC)

Réseaux de distribution par câbles pour signaux de télévision, signaux de radiodiffusion sonore et services interactifs - Partie 7-2: Surveillance de l'état des installations extérieures des réseaux hybrides à fibre optique et câble coaxial - Spécification de la couche du contrôle d'accès au support

Specifies requirements for The Hybrid Fibre Coax (HFC) Outside Plant (OSP) Media Access Control (MAC) Layer. This standard is part of the series developed to support the design and implementation of interoperable management systems for evolving HFC cable networks. The HMS Media Access Control (MAC) layer specification describes the messaging and protocols implemented at the Data Link Layer (DLL), layer 2 in the 7 layer ISO-OSI reference model, that support reliable and efficient communications between HMS compliant transponders interfacing to managed OSP network elements (NEs) and a centralized head-end element (HE).

Kabelska omrežja za televizijske in zvokovne signale ter interaktivne storitve – 7-2. del: Nadzorovanje stanja zunanjih inštalacij omrežij hibridnih optično-koaksialnih kablov – Specifikacija plasti za dostop do medijev (MAC) (IEC 60728-7-2:2003)

General Information

• Status: Published
• Publication Date: 01-Feb-2005
• Withdrawal Date: 30-Nov-2007
• ICS: 33.040 - Telecommunication systems
• ICS: 33.160 - Audio, video and audiovisual engineering
• ICS: 35.100.60 - Presentation layer
• Technical Committee: CLC/TC 209 - Cable networks for television signals, sound signals and interactive services
• Drafting Committee: IEC/TC 100 - IEC_TC_100
• Parallel Committee: IEC/TC 100 - IEC_TC_100
• Current Stage: 9093 - Decision to confirm - Review Enquiry
• Start Date: 27-Apr-2026
• Completion Date: 05-May-2026
• Ref Project: SIST EN 60728-7-2:2006 - Cable networks for television signals, sound signals and interactive services -- Part 7-2: Hybrid Fibre Coax Outside Plant Status Monitoring - Media access Control (MAC) Layer Specification

Overview

EN 60728-7-2:2005 is a European standard developed by CLC (European Committee for Electrotechnical Standardization) focusing on cable networks for television signals, sound signals, and interactive services. This document, titled “Hybrid Fibre Coax (HFC) Outside Plant Status Monitoring - Media Access Control (MAC) Layer Specification,” specifies requirements for the MAC layer used in the outside plant (OSP) segment of HFC cable networks.

This standard is part of a comprehensive series created to guide the development and deployment of interoperable management systems for modern HFC cable networks. The MAC layer specification is critical for ensuring the reliable and efficient transmission of status monitoring information between managed network elements and a centralized head-end within the OSP environment.

Key Topics

• MAC Layer Requirements: Defines the essential characteristics and requirements for the Media Access Control (MAC) layer at the Data Link Layer (DLL), aligning with layer 2 of the ISO-OSI reference model.
• HFC Outside Plant Monitoring: Focuses on mechanisms that enable real-time status monitoring of Hybrid Fibre Coax outside plant network elements.
• Communication Protocols: Details the messaging formats and protocols required for the reliable exchange of information between HMS-compliant transponders (located at network elements) and the head-end management system.
• Interoperability: Supports multi-vendor environments by specifying standard-compliant methods for data acquisition from OSP devices, allowing unified network management.

Applications

EN 60728-7-2:2005 is highly relevant for organizations involved in the design, operation, and maintenance of HFC cable networks. Typical applications include:

• Cable Television (CATV) Networks: Enhances operational efficiency by enabling real-time monitoring and management of outside plant components, such as amplifiers, nodes, and power supplies.
• Network Management Systems (NMS): Provides a standardized interface for collecting and analyzing status information from diverse OSP devices, helping network operators to proactively manage faults and performance.
• Interoperable System Integration: Facilitates integration between devices from different manufacturers due to its adherence to internationally recognized MAC-layer protocols.
• Service Assurance: Supports service reliability and minimizes downtime by offering early detection of network issues in complex, geographically dispersed HFC networks.

Related Standards

Implementing EN 60728-7-2:2005 is often part of a broader standardization strategy. Related and supporting standards include:

• EN 60728-7-1: Specification for the physical layer interface for HFC status monitoring.
• EN 60728 series: Covers various aspects of cable networks for television and other services, promoting compatibility and quality across the network lifecycle.
• IEC 60728-7-2:2003: The international version of the standard, aligned with EN 60728-7-2, sets a global framework for HFC outside plant MAC protocols.
• ISO/IEC 7498: ISO-OSI Reference Model, providing the seven-layer structure for network architecture to which the MAC layer corresponds.

---

By adhering to EN 60728-7-2:2005, network operators and equipment manufacturers can ensure robust, interoperable, and efficient monitoring of their hybrid fibre coaxial outside plant infrastructure, supporting the dependable delivery of television, sound, and interactive broadband services. This standard is vital for future-ready, scalable cable network management and operational excellence.

Standards Content (Sample)

SLOVENSKI SIST EN 60728-7-2:2006

STANDARD
januar 2006
Kabelska omrežja za televizijske in zvokovne signale ter interaktivne storitve –
7-2. del: Nadzorovanje stanja zunanjih inštalacij omrežij hibridnih optično-
koaksialnih kablov – Specifikacija plasti za dostop do medijev (MAC) (IEC
60728-7-2:2003)
(istoveten EN 60728-7-2:2005)
Cable networks for television signals, sound signals and interactive services – Part
7-2: Hybrid Fibre Coax Outside Plant Status Monitoring – Media access Control
(MAC) Layer Specification (IEC 60728-7-2:2003)
ICS 33.060.40; 35.100.60 Referenčna številka
©  Standard je založil in izdal Slovenski inštitut za standardizacijo. Razmnoževanje ali kopiranje celote ali delov tega dokumenta ni dovoljeno

EUROPEAN STANDARD EN 60728-7-2
NORME EUROPÉENNE
EUROPÄISCHE NORM February 2005

ICS 35.100.60; 33.160; 33.040
English version
Cable networks for television signals,
sound signals and interactive services
Part 7-2: Hybrid Fibre Coax Outside Plant Status Monitoring –
Media access Control (MAC) Layer Specification
(IEC 60728-7-2:2003)
Réseaux de distribution par câbles  Kabelnetze für Fernsehsignale,
pour signaux de télévision, signaux Tonsignale und interaktive Dienste
de radiodiffusion sonore et services Teil 7-2: Zustandsüberwachung Hybrid-
interactifs Faser-Koax-Netze (HFC) –
Partie 7-2: Surveillance de l'état Festlegung Steuerungsschicht
des installations extérieures des réseaux für Mediumzugriff (MAC)
hybrides à fibre optique et câble coaxial - (IEC 60728-7-2:2003)
Spécification de la couche du contrôle
d'accès au support
(CEI 60728-7-2:2003)
This European Standard was approved by CENELEC on 2004-12-01. CENELEC members are bound to
comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration.

Up-to-date lists and bibliographical references concerning such national standards
...