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[[Image:Wiring_diagram.PNG|800px|center]]
 
[[Image:Wiring_diagram.PNG|800px|center]]
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==CHECKING CONNECTION (TACHOCHECK SMS)==
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<br />
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After successful connection “tachocheck” sms message can be sent to device for checking if
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data presented on connected lines, by another words if connections were done correctly. It is
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used for getting status information. SMS response is of such structure:
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CAN_2:[TRC],[ABCD], K-Line:[K]<br />
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[T] – Tachograph presence on bus:<br />
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  • 0 – Tachograph doesn’t respond on bus;<br /> • 1 – Tachograph responds on bus.<br />
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[R] – Response to Open Remote Session validity check:<br />
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  • 0 – Wrong or unknown response (failed to open Remote Session);<br /> • 1 – Tachograph responds positively (Remote Session opened successfully).<br />
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[C] – Response to Close Last Authentication Session validity check:<br />
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  • 0 – Wrong or unknown response (failed to close last authentication session);<br /> • 1 – Last authentication session closed successfully, device is ready to open new authentication session.<br />
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[K] – K-Line data presence on bus:<br />
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  • 0 – K-Line data not present on bus;<br /> • 1 – K-Line data present on bus. 7 [ABCD] – FMS data presence on bus:<br />
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• 0000 – FMS data not present on bus<br />
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• Non-zero – FMS data detected on bus.<br />
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'''SMS answer which shows correct line connections looks like “CAN_2:[111],[ABCD], K-Line:[K]”.
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'''Such SMS answer means DDD files can be downloaded from tachograph.'''
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'''
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'''CAN \ Tachograph''' are used to configure device when connection of CAN1 and CAN2 BUS lines are performed. <br>
 
'''CAN \ Tachograph''' are used to configure device when connection of CAN1 and CAN2 BUS lines are performed. <br>

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