Cebus Demystified: The Ansi/Eia 600 User's Guide / Edition 1

by Grayson Evans

Overview

CEBus Demystified makes sense of the ANSI/EIA 600 standard - the standard specifically intended to allow stand-alone products in the home to be networked successfully. It provides a complete technical overview of the product protocol including the CAL (common application language) language and HPnP (home plug and play), and how to achieve product interoperability. It is a guide to each part of the standard, making sense of confusing concepts with examples and instruction on how to make your existing and future products CEBus compliant.

Product Details

ISBN-13:	9780071370066
Publisher:	McGraw-Hill Professional Publishing
Publication date:	03/01/2001
Series:	Demystified Series
Pages:	299
Product dimensions:	7.50(w) x 9.25(h) x 0.67(d)

Table of Contents

Chapter 1	Introduction	1
	What is CEBus?	2
	Why Residential Networks?	3
	Why Make a Standard?	5
	CEBus Development Goals	6
	Development History	6
	This Book's Goals	8
	How This Book is Organized	8
Chapter 2	CEBus Document Overview	11
	EIA-600	12
	EIA-600 Attributes	12
	The Standard Parts	13
	An Introduction to EIA-600 Parts	16
	The Physical Layers	16
	The Protocol	17
	The Language	18
	The Design Constraints	19
	Security Issues	20
Chapter 3	The CEBus Benefit	23
	The Benefits of Networked Products	24
	What CEBus Products Say	25
	Control Messages	25
	Status Messages	26
	Typical CEBus Applications	26
	The Future Potential	28
	The Plug-n-Play Concept	29
	Interoperability Defined	30
	Communications Level Interoperability	30
	Application Level Interoperability	31
	Scenario Interoperability	33
Chapter 4	CEBus Basics	35
	How CEBus Works--An Overview	36
	The CEBus Product Model	36
	Nodes	37
	Network Communications Models	40
	Network Control Model	41
	CEBus Reference Architecture and Media	42
	Channels	44
	Packets and Messages	47
	Symbol Encoding	48
	Network Attributes	50
	CAL: What CEBus Products Say to Each Other	51
	CAL View of Products	51
Chapter 5	The Media and Physical Layers	53
	The CEBus Network Topology	54
	Architecture Assumptions	54
	Node O	55
	Router and Brouter Requirements	56
	Medium, System, and Global Networks	60
	Connection to the Outside World	61
	The PL Network	62
	Power-Line Topology	62
	CEBus Signaling on the PL	64
	Packet Encoding	67
	Physical Layer Implementation	68
	PL Performance	70
	The TP Network	71
	TP Cable and Wire Use	71
	TP Control Channel	74
	TP Physical Layer	75
	The CX Network	76
	The Cable	77
	CX Network Topology	78
	Cable Connectors and Outlets	79
	Node O Distribution Device	80
	Coax Control and Data Channels	81
	CX Physical Layer	83
	CEBus RF	84
	CEBus RF Signaling	84
	RF Control Channel Encoding	85
	RF Physical Layer	87
Chapter 6	Protocol	91
	A Little Protocol Background	92
	CEBus Protocol Overview	92
	The ISO vs. CEBus Model	95
	The Peer-to-Peer Layer Model	95
	Transmission Failures	97
	Application Layer vs. the Application	98
	Packet Format	98
	Layer Responsibilities	99
	Application Layer	99
	The APDU Header	101
	Basic Service APDU	101
	Extended Service APDU	103
	Basic Service Details	105
	Explicit_Invoke Service	105
	Synchronous Service and the Invoke_IDs	110
	Reject APDUs	112
	When to Use What Service	112
	Application Layer Extended Services	114
	Authentication	115
	Authentication Algorithms	116
	Encryption	117
	Using Secure Services	117
	Network Layer	118
	The NPDU Header	119
	Network Layer Extended Services	122
	More on IR/RF Packets and Duplicate Rejection	130
	IR/RF Packet Examples	131
	ID Packets	133
	Data Link Layer	135
	DLL Structure	136
	Packet Format	137
	EOFs, EOPs, and Leading Zero Suppression	139
	Channel Access Protocol	140
	DLL Packet Delivery Services	145
	Unacknowledged Service	146
	Addressed Unacknowledged Service	146
	Addressed Unacknowledged Sequence/Address Association	147
	Acknowledged Service	148
	The Physical Layer	154
	The PL and RF Medium SES	156
	CEBus Addresses	157
	The System Address	157
	The Node Address	158
	Acquiring and Keeping Addresses	160
	Implementation Issues	160
	Layer System Management	161
Chapter 7	CAL	163
	CAL Goals	164
	How CAL Models the Consumer Product World	165
	The Context Data Structure	166
	Contexts	166
	Objects	167
	Object Definitions	171
	Context Data Structure	178
	Object Network Types	179
	Object Binding: How Contexts Work Together	180
	Context Examples	185
	The Universal Context	186
	Context Control Object	190
	Determining Product Capability	191
	Where Do Contexts Come From?	191
	Messages: Object Communications	192
	Command ASDUs	192
	Response ASDUs	193
	Methods	195
	Message Generation	199
	Implementation Example	204
	Resource Allocation	204
	Address Resources and Address Allocation	205
	Node Addressing	207
	Address Self-Acquisition	208
	The CAL Interpreter	213
	Transporting Non-CAL Messages	214
	Generic CAL (ANSI/EIA.721)	215
	Differences between Generic and CEBUS CAL	215
Chapter 8	Interoperability and HomePnP	220
	HomePnP Overview	220
	Some New Ideas	222
	Interoperability and HomePnP	223
	State Vectors	224
	Configuration	225
	Additional Problems Addressed by HomePnP	225
Chapter 9	Product Development	227
	Design Considerations for Networked Products	228
	Security	229
	Addressing	230
	Interoperability	231
	Partitioning of Processing Tasks	232
	Creating CEBus Applications: An Overview	234
	The Design Problem	235
	Getting It Built	244
	Product Benefits	245
	Minimum Requirements--Deciding What to Implement	246
	Data Link Layer	246
	Network Layer	247
	Application Layer	247
	CAL	248
	Certification (ANSI/EIA-633)	249
	Plug Lab	250
Appendix A	Object Definitions	251
	Common Object IV Labels	251
	Manufacturer IVs	252
	Object Tables	252
	Object Categories	252
	Table Notes	253
	03 Data Channel Receiver	254
	04 Data Channel Transmitter	255
	05 Binary Switch	256
	06 Binary Sensor	256
	07 Analog Control	257
	08 Analog Sensor	258
	09 Multiposition Switch	259
	0A Multiposition Sensor	260
	0B Matrix Switch	261
	0F Meter	262
	10 Display	263
	11 Medium Transport	264
	13 Dialer	265
	14 Keypad	266
	15 List Memory	267
	16 Data Memory	268
	17 Motor	269
	19 Synthesizer/Tuner	270
	1A Tone Generator	271
	1C Counter/Timer	272
	1D Clock	273
Appendix B	Sample Contexts	275
	Context 10 (Audio)	275
	Context 21 (Light)	280
Appendix C	Response Error Codes	285
Appendix D	CEBus Resources	287
	Index	289