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ssnapier

Weird 32 bit HEX output being used with 26 bit readers

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Ok, so I have these cards being used on a DAQ system with IDTECK RFK-101 readers. When I scan the card to get the HEX output from it I get 36 bits. I have figured oout two things, but I am hoping you can help me with the rest of this mess.

 

Here is a sample of what I am dealing with:

 

40 01 00 00 0C 00 C3 3D 66 00 E7 9A 00 B0 00 00

 

I know that 13, 14, 15m and 16 are my card number, but they have to be read backwards to get it. In this case, that would be 3DC3 in hex, which equals 15811 (the number of my sample card).

 

Everything else is unknown. Any ideas??

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Do you have more than one card to scan? that would help figure out what part is the facility code (or whatever similar it uses), and what part is individual card data.

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Had you found this- http://rflogicsinc.com/partners/Hardware_Manuals/RFK101%28English-081103%29.pdf? It seems to indicate that the output is 26 bit Wiegand, if the jumpers are set for that mode.

 

Otherwise, I've used other products from Cypress, and I know they make this unit for special situations -http://www.cypresscomputer.com/product_details.htm?product=CVX-1300

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