ES 201 488-2 : 1.2.2
Current
The latest, up-to-date edition.
ACCESS AND TERMINALS (AT); DATA OVER CABLE SYSTEMS; PART 2: RADIO FREQUENCY INTERFACE SPECIFICATION
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Foreword
1 Scope
1.1 General scope
1.2 Requirements
1.3 Background
2 References
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 Functional assumptions
4.1 Broadband access network
4.2 Equipment assumptions
4.3 RF channel assumptions
4.4 Transmission levels
4.5 Frequency inversion
5 Communication protocols
5.1 Protocol stack
5.2 The MAC forwarder
5.3 Network layer
5.4 Above the network layer
5.5 Data Link Layer (DLL)
5.6 Physical layer
6 Physical Media Dependent sublayer specification
6.1 Scope
6.2 Upstream
6.3 Downstream
7 Downstream transmission convergence sublayer
7.1 Introduction
7.2 MPEG packet format
7.3 MPEG header for DOCS Data Over Cable
7.4 MPEG payload for DOCS Data Over Cable
7.5 Interaction with the MAC sublayer
7.6 Interaction with the physical Layer
7.7 MPEG header synchronization and recovery
8 Media Access Control (MAC) specification
8.1 Introduction
8.2 MAC frame formats
8.3 MAC management messages
9 Media Access Control (MAC) protocol operation
9.1 Upstream bandwidth allocation
9.2 Support for multiple channels
9.3 Timing and synchronization
9.4 Upstream transmission and contention resolution
9.5 Data link encryption support
10 Quality of Service and fragmentation
10.1 Theory of operation
10.2 Upstream service flow scheduling services
10.3 Fragmentation
10.4 Payload Header Suppression (PHS)
11 Cable Modem - CMTS interaction
11.1 CMTS initialization
11.2 Cable Modem Initialization
11.3 Standard operation
11.4 Dynamic service
11.5 Fault detection and recovery
12 Supporting future new cable modem capabilities
12.1 Downloading cable modem operating software
Annex A (normative): Well-known addresses
A.1 MAC addresses
A.2 MAC service IDs
A.3 MPEG PID
Annex B (normative): Parameters and constants
Annex C (normative): Common Radio Frequency interface encodings
C.1 Encodings for configuration and MAC-layer messaging
C.2 Quality of Service-related encodings
C.3 Encodings for other interfaces
C.4 Confirmation Code (CC)
Annex D (normative): CM configuration interface specification
D.1 CM IP addressing
D.2 CM configuration
D.3 Configuration verification
Annex E (informative): MAC service definition
E.1 MAC service overview
E.2 MAC data service interface
E.3 MAC control service interface
E.4 MAC service usage scenarios
Annex F (informative): Example preamble sequence
F.1 Introduction
F.2 Example preamble sequence
Annex G (normative): DOCS v1.0/v1.1 interoperability
G.1 Introduction
G.2 General interoperability issues
G.3 Hybrid devices
G.4 Interoperability and performance
Annex H (informative): Multiple upstream channels
H.1 Single downstream and single upstream per cable segment
H.2 Multiple downstreams and multiple upstreams per cable
segment
Annex I (normative): The data over cable spanning tree protocol
I.1 Background
I.2 Public spanning tree
I.3 Public spanning tree protocol details
I.4 Spanning tree parameters and defaults
Annex J (normative): Error codes and messages
Annex K (informative): DOCS transmission and contention resolution
K.1 Introduction
Annex L (normative): IGMP example
Annex M (normative): Unsolicited Grant Services (UGS)
M.1 Unsolicited Grant Service (UGS)
M.2 Unsolicited Grant Service with Activity Detection (UGS-AD)
Annex N (normative): European specification additions
N.1 Scope and purpose
N.2 References
N.3 Definitions and abbreviations
N.4 Functional assumptions
N.5 Communication protocols
N.6 Physical Media Dependent sublayer specification
N.7 Downstream transmission convergence sublayer
Annex O (informative): Bibliography
History
Describes the radio-frequency interface specifications for high-speed Data Over Cable Systems. They were developed for the benefit of the cable industry, including contributions by operators and vendors from North America, Europe, and other regions.
| Committee |
AT DIGITAL
|
| DocumentType |
Standard
|
| Pages |
357
|
| PublisherName |
European Telecommunications Standards Institute
|
| Status |
Current
|
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| EN 50082-1:1997 | Electromagnetic compatibility - Generic immunity standard - Part 1: Residential, commercial and light industry |
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