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1998 Edition, February 1998

Complete Document

Coax Cable Physical Layer & Medium Specification

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Superseded By: CTA-600.33

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Description / Abstract:

This specification contains all the information necessary to facilitate the exchange of data and control information over the coax medium within a home. The document is divided into six Sections (1 - 6):

1 - An introduction to the CX standard.

2 - A general description of the CX network design.

3 - The specifications of CX topology and configuration rules - this section covers network components, allowed configuration of the cabling, and attachment of devices.

4 - A specification of the CX physical medium - this section covers frequency allocation of the media, channelization, the physical and electrical specification of the medium, connectors, environmental requirements, and installation considerations.

5 - The Physical layer specification of a CX device - covers the interface to the higher IS0 layers, control channel signal characteristics, data channel signal criteria, encoding, transmitter and receiver characteristics, and device failure modes.

6 - The Node O requirements for support of the CX network - covers the Node O components and requirements for successful network operation including signal distribution, frequency conversion, external service interface, and signal bridging criteria.

The standard establishes a minimal set of rules for compliance. It does not rule out extended services to be provided, as long as the rules are adhered to within the system. It is the intention of the standard to permit extended services (defined by users) to coexist.

Certain aspects of the standard are defined in other documents. These documents will be referenced when relevant. Where a referenced standard conflicts with this document, this document will prevail.