List of Figures

Figure 1-1	Diagram – NTCIP Standards Framework
Figure 1-2.	Telecommunication Timeline
Figure 2-1.	RJ45 Connector
Figure 2-2.	Twisted Pair Cable
Figure 2-3.	Co-Axial Cable Illustration
Figure 2-4.	Basic Fiber Optic Strand Construction
Figure 2-5.	Fiber Optic Cable Illustration
Figure 2-6.	Diagram of Basic Connector Wiring
Figure 2-7.	Illustration of Basic Telephone Call Process
Figure 2-8.	TDM Process Flow Chart
Figure 2-9.	Flow Chart – PDM Process
Figure 2-10.	Diagram of Computer Digital Output Converted to Analog Using a MODEM
Figure 2-11.	Diagram of Analog Inputs to T-1 Mux
Figure 2-12.	Diagram – ATM over SONET Network
Figure 2-13.	DWDM Channels
Figure 2-14.	Diagram – Typical Office LAN
Figure 2-15.	Diagram – Metro Area Network (MAN)
Figure 3-1.	National ITS Architecture Communications Sausage Diagram
Figure 3-2.	Diagram – Mobile 2-Way Radio Network
Figure 3-3.	National Architecture EM-4 Market Package
Figure 3-4.	EM-4 Market Package with Telecommunications Flows
Figure 3-5.	EM-4 Market Package with "Sausage Diagram" Elements
Figure 3-6.	TMC Area of Responsibility
Figure 3-7.	Diagram – TMC to EMA Link
Figure 3-8.	Diagram – TMC to EMA with Fiber Communication Link
Figure 3-9.	Diagram – TMC to EMA Comm Link Rural Setting
Figure 3-10.	Diagram – TMC to EMA Rural Using Leased Telephone Lines
Figure 3-11.	NTCIP Standards Framework
Figure 4-1.	Field Devices Communication Link Requirements
Figure 4-2.	Chart Relationship Communication to Overall System
Figure 5-1.	Diagram – Technology Flow
Figure 5-2.	Diagram – 3 Types of Communication Circuits
Figure 5-3.	Napkin Sketch of Communication System
Figure 5-4.	Location Map
Figure 5-5.	System Schematic
Figure 5-6.	DB-25 Connector
Figure 5-7.	DB-9 Connector
Figure 5-8.	Modem Block Diagram
Figure 5-9.	CCTV Circuit Diagram
Figure 5-10.	CCTV Circuit Diagram
Figure 5-11.	Diagram Field Controller to Host Computer
Figure 5-12.	Diagram – Point-to-Multipoint
Figure 5-13.	Diagram – Multidrop System
Figure 5-14.	Diagram – FDM Hub Circuit
Figure 5-15.	Diagram – CCTV with CODEC
Figure 5-16.	Diagram – Typical CODEC Communication Circuit - 1990's Deployment
Figure 5-17.	VIP Basic Camera System
Figure 5-18.	Diagram – Add-on Conversion to VIP
Figure 5-19.	Diagram – Basic Traffic Device Communication Circuit
Figure 5-20.	Diagram of Proposed System
Figure 5-21.	Diagram STSS Communication System
Figure 5-22.	Diagram UTSS Communication System
Figure 5-23.	Straight Line Diagram
Figure 5-24.	Diagram – Site Equipment
Figure 5-25.	System Block Diagram
Figure 5-26.	Diagram – Point-to-Point Network
Figure 5-27.	Diagram – Star Network
Figure 5-28.	Diagram – Ring Network
Figure 5-29.	Diagram – Mesh Network
Figure 6-1.	Photograph of a Fiber Optic Modem
Figure 7-1.	Diagram UDOT Current System
Figure 7-2.	Graph – Comparison of Savings Realized by UDOT Converting to an IP Architecture
Figure 7-3.	Diagram – Comparison Multi-Drop vs. Ethernet
Figure 7-4.	Diagram – Wireless Channel Alignment for 360 Degree Coverage
Figure 7-5.	Diagram – Channel Re-use Plan for Wide Area Coverage
Figure 7-6.	Diagram – Proposed Channel Re-use Plan
Figure 7-7.	Drawing – Typical CCTV Site
Figure 7-8.	Typical CCTV Site Schematic
Figure 7-9.	Map of Proposed Irving Texas System
Figure 7-10.	Schematic – Microwave Backbone Configuration
Figure 7-11.	Diagram – Microwave Backbone
Figure 8-1.	Fiber Cable Route Construction
Figure 8-2.	Fiber Cable Route Construction
Figure 8-3.	Fusion Splicing Fiber Strands
Figure 8-4.	Aerial Fiber Optic Cable Splice Box
Figure 8-5.	Typical Telephone Pole
Figure 8-6.	Installation of Wireless System
Figure 8-7.	Example of Antenna Coverage Pattern
Figure 9-1.	Actual Sketch of the Original Internet Concept
Figure 9-2.	Map – Location of Major MCI Internet Nodes in United States
Figure 9-3.	Diagram General Internet Architecture
Figure 9-4.	Diagram – Traveler Information Provided via the Internet
Figure 9-5.	National ITS Architecture Sausage Diagram with Internet Added
Figure 9-6.	Internet Elements Schematic
Figure 9-7.	Schematic – Multiple Agency Center-to-Center Links via the Internet
Figure 9-8.	ITS Center-to-Center Communication Diagram