User's Manual

16
Sales Engineering
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Acknowledgements
Currently the XT6372R supports a simple acknowledgement consisting of four bytes (88-88-xx-xx)
where xx-xx is the packet serial number. You will want to send the 88-88 header and return the
serial number of the packet sent to you, in the third and fourth byte. Therefore, the XIRGO unit will
only accept an acknowledgement payload of 88-88-01-04 for a packet sent with packet serial
number 260 (hex 01-04).