List of Figures
xv
List of Figures
Figure 2-1 Typical RFID Components for a Bistatic (Two-Antenna) Configuration . . . . . . . . . . . 2-4
Figure 2-2 Field Size, Shape, and Antenna Polarization Define the Reading Range
(Bistatic Configuration) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Figure 2-3 Field Size, Shape, and Antenna Polarization Define the Reading Range
(Monostatic Configuration) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Figure 2-4 Tag Orientation with Linear Polarized Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Figure 2-5 Typical Read/Write Transaction Using the IT2200 Reader System and an
IT2200-Series Tag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13
Figure 2-6 Four Transactions Can Occur Within 96 Milliseconds . . . . . . . . . . . . . . . . . . . . . 2-14
Figure 2-7 Typical Read-only Transaction Using the IT2200 Reader System in
ATA Mode Operation with an ATA-Type Tag . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
Figure 2-8 Typical Dedicated Read-Only Transaction Using the IT2200 Reader System in
Multimode Operation with an ATA-Type Tag . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
Figure 2-9 Typical Read-Only Transaction Using the IT2200 Reader System in
ATA Mode Operation with an ATA-Type Tag . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
Figure 3-1 Relationship of the IT2200 Reader System Components
(Bistatic Installation Shown) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Figure 3-2 IT2020 Reader Logic Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Figure 3-3 IT2020 Reader Logic Card Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Figure 3-4 IT2611 RF Module Connections (Bistatic Configuration) . . . . . . . . . . . . . . . . . . . . 3-8
Figure 3-5 IT2611 RF Module Connections (Monostatic Configuration) . . . . . . . . . . . . . . . . . . 3-9
Figure 3-6 Tag Orientation with Linear Polarized Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13
Figure 3-7 IT2221 Tag Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16
Figure 3-8 Alternative Mounting Locations for IT2221 Tag . . . . . . . . . . . . . . . . . . . . . . . . . 3-17
Figure 3-9 IT2211 Tag Placement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18
Figure 3-10 IT2235 Tag Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19
Figure 3-11 IT2235 Tag Display Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22
Figure 3-12 IT2410 Tag Programmer System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-24
Figure 3-13 Tag Programming Head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-25
Figure 4-1 Canopy Mount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
Figure 4-2 Overhead Gantry Mount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
Figure 4-3 Overpass Mount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Figure 4-4 Cantilever Arm Mount (Bistatic Configuration) . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
Figure 4-5 Cantilever Arm Mount (Monostatic Configuration) . . . . . . . . . . . . . . . . . . . . . . . 4-10
Figure 4-6 Bistatic Laneside Mount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-11
Figure 4-7 Monostatic Laneside Mount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12
Figure 4-8 Antenna Placement for Pillbox Mount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13
Figure 4-9 IT2020 Reader Logic Card Installed in Typical Host Computer or Lane Controller
Chassis (Top View) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14
Figure 4-10 IT2020 Reader Logic Card Factory Dipswitch Settings . . . . . . . . . . . . . . . . . . . . 4-15
Figure 4-11 Frequency Enable Switch on Rear of IT2020 Reader Logic Card . . . . . . . . . . . . . 4-16
Figure 4-12 Location of Battery Jumper (J8) in Relation to Battery . . . . . . . . . . . . . . . . . . . . 4-16
Figure 4-13 IT2611 RF Module Mounting and Components for Both Monostatic
and Bistatic Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18
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