glossary:glossary_r
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glossary:glossary_r [2017/02/16 10:10] – external edit 127.0.0.1 | glossary:glossary_r [2019/11/12 01:51] – [RFID] Bob Vetterlein | ||
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+ | **MERG RFID systems**\\ | ||
+ | The tags generally used in MERG RFID systems have a 40 bit ID number, that is 5 bytes, when transmitted there is then a sixth byte added which is a checksum for data integrity. The tag readers transmit the data over a serial link using [[glossary_h# | ||
+ | The MERG Concentrator replaces the STX with a reader identification letter, A to H or I to P. For CBUS the incoming data is converted back to its original 5 bytes and checked against the checksum. These 5 bytes are then transmitted as bytes 3 to 7 of an 8 byte message. < | ||
===== Risk assessment ====== | ===== Risk assessment ====== | ||
glossary/glossary_r.txt · Last modified: 2023/12/11 11:06 by michael_smith