TransCore 2611SS Manuel D’Utilisation

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System Components
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The IT2221 Tag is designed to be mounted inside a vehicle on the windshield (see 
Figure 3-8). This tag has no visual displays or indicators and is used in all applications 
where driver feedback is not necessary. The tag can be used on any vehicle.
Figure 3-8  Alternative Mounting Locations for IT2221 Tag
The remainder of this section describes the IT2221 Tag function and features.
Functions
The IT2221 Tag has the following technical and functional capabilities:
Built-in self-test (BIST) capability to indicate random access memory (RAM) 
failure or low battery
Operational life of eight years, from time of manufacture
-20°C to +75°C (-4°F to +167°F) operating temperature
915-MHz band operation 
300kbps data rate transfer 
Read/write capability and 16 pages (256 bytes) of RAM
Full data retention provided during a power loss
Eight-year battery from time of manufacture
Data protection using read and write passwords for each individual page